/* ===================================================================
   AOKI REFORM — style.css
   Phase 1: CSS変数 / リセット / 共通コンポーネント / 全セクション
   =================================================================== */

/* --- CSS VARIABLES ---
   デザイン憲法：アンカー＝想創舎（株）手嶋組 の実測値に準拠。
   ・地は白、副地は生成りのクリーム（塗り分けで明暗のリズムを作る／一色ベタ塗りにしない）
   ・インクは温かいダークブラウングレー1色、差し色はゴールドのみ小面積
   ・角丸ゼロ・影ゼロ（アンカー実測：box-shadow 0件／画像 border-radius 0px）
   ・和文はオールド明朝、欧文は幅広グロテスク、字間広め・行間2.0以上
   アクセント：EcoDeco（写真上のコピー配置・CASE番号）／丹羽ハウジング（160px級の縦リズム・
   easeOutExpoのstagger reveal・全幅写真）／クラシスホーム（実績数字の大タイポ・追従CTA）
   =================================================================== */
:root {
  /* Colors */
  --color-primary: #524B40;
  --color-secondary: #3A342B;
  --color-accent: #C6A648;
  --color-dark: #2B2721;
  --color-text-primary: #524B40;
  --color-text-secondary: #7A7264;
  --color-text-light: #9C9284;
  --color-border: #DED6C8;
  --color-bg-light: #FFFFFF;
  --color-bg-medium: #F5F2EA;
  --color-bg-warm: #EFE9DC;
  --color-error: #A8442F;
  --color-success: #5B6B4A;
  --color-info: #6E7C86;
  --color-primary-hover: #2B2721;
  --color-accent-hover: #A98A33;
  --color-line: #06C755;
  --color-line-hover: #05B34C;
  --color-footer-bg: #2B2721;
  --color-footer-bg-dark: #241F1A;
  --color-footer-bottom: #1C1814;

  /* Fonts */
  --font-body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-display: 'Zen Old Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-en: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-num: 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;

  /* Font Sizes — Desktop */
  --text-hero-main: clamp(29px, 3.3vw, 52px);
  --text-hero-sub: clamp(14px, 1.4vw, 17px);
  --text-hero-number: clamp(64px, 8vw, 120px);
  --text-section-title: clamp(25px, 2.9vw, 38px);
  --text-section-sub: clamp(14px, 1.4vw, 16px);
  --text-h3: clamp(18px, 1.5vw, 22px);
  --text-h4: clamp(16px, 1.3vw, 19px);
  --text-body: 16px;
  --text-body-large: 17px;
  --text-body-small: 14px;
  --text-label: 12px;
  --text-caption: 13px;
  --text-overline: 11px;
  --text-number-large: clamp(52px, 7vw, 104px);
  --text-number-medium: clamp(34px, 4.2vw, 56px);
  --text-number-small: clamp(24px, 3vw, 34px);

  /* Line Height / Letter Spacing（明朝＝行間広め・字間広めが憲法） */
  --leading-tight: 1.55;
  --leading-normal: 2.0;
  --leading-relaxed: 2.15;
  --tracking-tight: 0.02em;
  --tracking-normal: 0.08em;
  --tracking-wide: 0.14em;
  --tracking-extra: 0.32em;

  /* Spacing rhythm（均一にしない：帯ごとに XL/LG/MD/SM を打ち分ける） */
  --sp-xl: 200px;
  --sp-lg: 160px;
  --sp-md: 120px;
  --sp-sm: 80px;
  --sp-xs: 48px;

  /* Motion（丹羽ハウジング実測：easeOutExpo系・transform .6s / opacity .8s） */
  --ease: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-soft: cubic-bezier(0.16, 1, 0.3, 1);
  --hover: 0.15s ease-out;

  /* Layout */
  --container-max: 1160px;
  --container-wide: 1400px;
  --container-read: 860px;
  --container-padding: 24px;
}

/* --- RESET --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text-primary);
  background: var(--color-bg-light);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-normal);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
}
ul, ol { list-style: none; }
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea, select { font-family: inherit; }

/* --- UTILITY --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.container-read {
  max-width: var(--container-read);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
/* 日本語の改行制御：PC だけで効かせる改行（SPでは無効化） */
.br-pc { display: inline; }
.nb { white-space: nowrap; }
.hide-sp { display: inline; }
@media (max-width: 767px) {
  .br-pc { display: none; }
  .hide-sp { display: none; }
}
/* 禁則処理（狭幅で句読点が孤立しないように line-break を一本化する） */
body, p, li, dd, dt, h1, h2, h3, h4, figcaption {
  line-break: strict;
  overflow-wrap: break-word;
}

/* --- SECTION TITLE BLOCK (shared) ---
   既定は左寄せのエディトリアル組み。中央寄せは .align-center を付けた帯だけに限定する
   （全帯で「中央キッカー＋短い横棒＋中央見出し」を反復しないための憲法） */
.section-title-block {
  text-align: left;
  margin-bottom: 64px;
}
.section-title-block.align-center {
  text-align: center;
}
.section-overline {
  font-family: var(--font-en);
  font-size: var(--text-overline);
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-overline::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--color-accent);
  flex: none;
}
.section-title-block.align-center .section-overline {
  justify-content: center;
}
.section-main-title {
  font-family: var(--font-display);
  font-size: var(--text-section-title);
  font-weight: 500;
  color: var(--color-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wide);
  margin-bottom: 0;
}
.section-lead {
  margin-top: 26px;
  max-width: 40em;
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
}
.section-title-block.align-center .section-lead {
  margin-inline: auto;
}
/* 旧デザインの中央オレンジ短棒は廃止（全帯反復＝AIっぽさの主因） */
.section-accent-line { display: none; }

/* --- BUTTON SYSTEM ---
   面で押す主役CTAは1種類（.btn-accent＝ゴールドのピル／アンカー実測 radius 30px）だけに絞り、
   他は角丸ゼロの細枠・テキスト＋罫線に落として、ボタンだらけの画面を避ける */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-secondary);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  padding: 19px 44px;
  border: none;
  cursor: pointer;
  transition: background var(--hover), color var(--hover);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: transparent;
  color: currentColor;
  border: 1px solid currentColor;
  padding: 18px 42px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: background var(--hover), color var(--hover), border-color var(--hover);
}
.btn-secondary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}
.btn-secondary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-accent);
  color: #FFFFFF;
  padding: 19px 46px;
  border: none;
  border-radius: 28px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: background var(--hover);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
}
.btn-accent:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}
.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-line);
  color: #FFFFFF;
  padding: 19px 44px;
  border: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: background var(--hover);
}
.btn-line:hover {
  background: var(--color-line-hover);
}
.btn-line:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}
/* テキスト＋罫線のリンク（アンカーの「詳細はこちら」の質感）。面で押さない導線はこれに統一 */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: transparent;
  color: var(--color-primary);
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 0 2px 14px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  transition: border-color var(--hover), color var(--hover);
}
.btn-ghost:hover {
  background: transparent;
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.btn-ghost:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}
.btn-center-wrap {
  text-align: center;
  margin-top: 48px;
}

/* --- NUMBER HIGHLIGHT (inline) --- */
.num-highlight {
  font-family: var(--font-num);
  font-size: var(--text-number-large);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  vertical-align: baseline;
  margin: 0 0.08em;
  letter-spacing: 0.02em;
}

/* --- SCROLL ANIMATIONS ---
   丹羽ハウジング実測：transform .6s / opacity .8s の easeOutExpo系、stagger は 0.02〜0.08s。
   ふわっと大きく動かさず、静かに立ち上がる人格にする（移動量は控えめ） */
.scroll-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.9s var(--ease);
}
.scroll-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.scroll-fade-left {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity 0.8s var(--ease), transform 0.9s var(--ease);
}
.scroll-fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.scroll-fade-right {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.8s var(--ease), transform 0.9s var(--ease);
}
.scroll-fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.scroll-scale-in {
  opacity: 0;
  transform: scale(0.965);
  transition: opacity 0.8s var(--ease), transform 1.1s var(--ease);
}
.scroll-scale-in.visible {
  opacity: 1;
  transform: scale(1);
}
/* 写真は下から出すのでなく、マスクが上へ抜けて現れる（アンカーの見せ方） */
.scroll-reveal-img {
  overflow: hidden;
  display: block;
}
.scroll-reveal-img > picture,
.scroll-reveal-img > img {
  display: block;
  width: 100%;
  height: 100%;
}
.scroll-reveal-img > * {
  transform: scale(1.12);
  transition: transform 1.4s var(--ease), clip-path 1.2s var(--ease);
  clip-path: inset(0 0 100% 0);
}
.scroll-reveal-img.visible > * {
  transform: scale(1);
  clip-path: inset(0 0 0 0);
}
.stagger-children > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.9s var(--ease);
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.06s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.12s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.18s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.24s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.36s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.42s; }
.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================================
   HEADER
   =================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 96px;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 56px);
  transition: height 0.5s var(--ease), background 0.5s var(--ease), border-color 0.5s var(--ease);
  background: transparent;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  height: 74px;
  background: var(--color-bg-light);
  border-bottom-color: var(--color-border);
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-logo .logo-text {
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 400;
  color: #FFFFFF;
  letter-spacing: var(--tracking-extra);
  transition: color 0.5s var(--ease);
}
.header-logo .logo-sub {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
  transition: color 0.5s var(--ease);
}
.site-header.scrolled .logo-text { color: var(--color-primary); }
.site-header.scrolled .logo-sub { color: var(--color-text-secondary); }

/* Nav */
.header-nav { display: flex; align-items: center; gap: 28px; }
.header-nav .nav-link {
  font-size: 13px;
  letter-spacing: var(--tracking-wide);
  color: #FFFFFF;
  font-weight: 400;
  position: relative;
  transition: color 0.5s var(--ease);
}
.header-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.28s var(--ease);
}
.header-nav .nav-link:hover::after { width: 100%; }
.site-header.scrolled .nav-link { color: var(--color-text-primary); }

.header-nav .nav-cta {
  padding: 13px 26px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  transition: background var(--hover), color var(--hover), border-color var(--hover);
}
.header-nav .nav-cta:hover {
  background: rgba(255,255,255,0.15);
}
.site-header.scrolled .nav-cta {
  background: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}
.site-header.scrolled .nav-cta:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.header-nav .nav-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #FFFFFF;
  transition: color var(--hover);
}
.site-header.scrolled .nav-phone { color: var(--color-primary); }

/* Mobile Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  cursor: pointer;
  z-index: 1010;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: #FFFFFF;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
}
.site-header.scrolled .hamburger span { background: var(--color-primary); }
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-dark);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-drawer.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-drawer .drawer-link {
  font-size: 20px;
  color: #FFFFFF;
  font-weight: 400;
  letter-spacing: 0.1em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.mobile-drawer.open .drawer-link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-drawer.open .drawer-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-drawer.open .drawer-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-drawer.open .drawer-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-drawer.open .drawer-link:nth-child(4) { transition-delay: 0.2s; }
.mobile-drawer.open .drawer-link:nth-child(5) { transition-delay: 0.25s; }
.mobile-drawer.open .drawer-link:nth-child(6) { transition-delay: 0.3s; }
.mobile-drawer.open .drawer-link:nth-child(7) { transition-delay: 0.35s; }
.mobile-drawer .drawer-buttons {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease 0.4s, transform 0.4s ease 0.4s;
}
.mobile-drawer.open .drawer-buttons {
  opacity: 1;
  transform: translateY(0);
}
.mobile-drawer .drawer-buttons a {
  padding: 12px 20px;
  border-radius: 0;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.05em;
}
.drawer-btn-phone { border: 2px solid #FFFFFF; color: #FFFFFF; }
.drawer-btn-line { background: var(--color-line); color: #FFFFFF; }
.drawer-btn-contact { background: var(--color-secondary); color: #FFFFFF; }

/* ===================================================================
   SECTION 1: HERO（額装フルブリード写真 × 縦組みの大見出し）
   アンカー実測：丹羽ハウジングのKVは 1440x900 の画面に対し画像が約1440x824＝
   上下に細い帯を残して写真が画面を占有し、下帯に作品名（セリフ24px）を置く。
   アニメは maskText / slideIn / zoomEffect の3種。ここではその骨格を踏襲し、
   和文の見出しを縦組みで重ねてインパクトを出す。
   =================================================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 620px;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-medium);
  overflow: hidden;
}
/* --- 写真面（上帯＝ヘッダー分、下帯＝キャプション分を残す） --- */
.hero .hero-media {
  position: relative;
  flex: 1 1 auto;
  margin: 96px clamp(0px, 1.6vw, 26px) 0;
  overflow: hidden;
  background: var(--color-dark);
}
.hero .hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.8s var(--ease);
}
.hero .hero-slide.active { opacity: 1; }
.hero .hero-slide picture { display: block; width: 100%; height: 100%; }
.hero .hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 表示中の1枚だけをゆっくり寄せながら流す（zoomEffect + slideIn 相当） */
.hero .hero-slide.active img {
  animation: hero-pan 9s var(--ease) forwards;
}
@keyframes hero-pan {
  from { transform: scale(1.1) translate3d(1.2%, 0, 0); }
  to { transform: scale(1) translate3d(0, 0, 0); }
}
/* 文字が乗る側だけを沈める（全面に幕を掛けない） */
.hero .hero-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(to left, rgba(28, 24, 20, 0.6) 0%, rgba(28, 24, 20, 0.24) 36%, rgba(28, 24, 20, 0) 64%),
    linear-gradient(to top, rgba(28, 24, 20, 0.62) 0%, rgba(28, 24, 20, 0.12) 38%, rgba(28, 24, 20, 0) 58%);
}

/* --- 縦組みの大見出し（右肩から下ろす） --- */
.hero .hero-title {
  position: absolute;
  z-index: 4;
  top: clamp(26px, 4.6vh, 58px);
  right: clamp(28px, 5vw, 86px);
  display: flex;
  flex-direction: row-reverse;
  gap: clamp(10px, 1.2vw, 22px);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 4.6vw, 72px);
  line-height: 1;
  letter-spacing: 0.16em;
  color: #FFFFFF;
  margin: 0;
}
.hero .hero-title .line {
  display: block;
  overflow: hidden;
}
.hero .hero-title .line > span {
  display: block;
  writing-mode: vertical-rl;
  text-orientation: upright;
  transform: translateY(-102%);
  transition: transform 1.5s var(--ease);
}
.hero .hero-title .line:nth-child(2) > span { transition-delay: 0.14s; }
.hero .hero-title.anim-in .line > span { transform: translateY(0); }
.hero .hero-title .hero-accent {
  color: var(--color-accent);
}

/* --- 左下：ブランド・リード・CTA --- */
.hero .hero-content {
  position: absolute;
  z-index: 4;
  left: clamp(24px, 4.5vw, 78px);
  bottom: clamp(30px, 5vh, 62px);
  right: clamp(24px, 22vw, 320px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero .hero-brand {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 22px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 1s var(--ease) 0.35s, transform 1s var(--ease) 0.35s;
}
.hero .hero-brand::before {
  content: "";
  width: 44px;
  height: 1px;
  background: var(--color-accent);
}
.hero .hero-brand.anim-in { opacity: 1; transform: translateY(0); }
.hero .hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  line-height: 2.1;
  letter-spacing: var(--tracking-normal);
  margin-bottom: 30px;
  max-width: 34em;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1s var(--ease) 0.5s, transform 1.1s var(--ease) 0.5s;
}
.hero .hero-subtitle.anim-in { opacity: 1; transform: translateY(0); }
.hero .hero-buttons {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1s var(--ease) 0.65s, transform 1.1s var(--ease) 0.65s;
}
.hero .hero-buttons.anim-in { opacity: 1; transform: translateY(0); }
.hero .hero-buttons .btn-accent { font-size: 14px; padding: 20px 44px; }
.hero .hero-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #FFFFFF;
  font-size: 14px;
  letter-spacing: var(--tracking-wide);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  transition: border-color var(--hover), color var(--hover);
}
.hero .hero-link:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }

/* 写真の右端の縦組み英字は、大見出しと役割が重なるため出さない */
.hero .hero-side {
  display: none;
  position: absolute;
  z-index: 4;
  right: clamp(8px, 1vw, 18px);
  bottom: clamp(26px, 5vh, 56px);
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: var(--tracking-extra);
  color: rgba(255, 255, 255, 0.66);
  text-transform: uppercase;
}

/* --- 下帯：作品キャプションと送り（丹羽の下帯に相当） --- */
.hero .hero-foot {
  flex: none;
  height: clamp(64px, 8vh, 84px);
  padding: 0 clamp(24px, 4.5vw, 78px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--color-bg-medium);
}
.hero .hero-caption {
  font-family: var(--font-display);
  font-size: clamp(12px, 1vw, 14px);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}
.hero .hero-foot-right {
  display: flex;
  align-items: center;
  gap: 22px;
}
.hero .hero-count {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: var(--tracking-extra);
  color: var(--color-text-light);
  font-variant-numeric: tabular-nums;
}
.hero .hero-count em {
  font-style: normal;
  color: var(--color-accent);
}
.hero .hero-indicators {
  display: flex;
  gap: 10px;
  opacity: 0;
  transition: opacity 1s var(--ease) 0.4s;
}
.hero .hero-indicators.anim-in { opacity: 1; }
.hero .hero-indicators .dot {
  width: 26px;
  height: 1px;
  border-radius: 0;
  background: var(--color-border);
  transition: background var(--hover);
}
.hero .hero-indicators .dot.active { background: var(--color-accent); }

/* スクロール導線（下帯の左端に置く） */
.hero .hero-scroll-indicator {
  position: absolute;
  left: clamp(24px, 4.5vw, 78px);
  bottom: clamp(64px, 8vh, 84px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 14px;
  opacity: 0;
  transition: opacity 1s var(--ease) 0.8s;
}
.hero .hero-scroll-indicator.anim-in { opacity: 1; }
.hero .hero-scroll-indicator span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: var(--tracking-extra);
  color: rgba(255, 255, 255, 0.85);
}
.hero .hero-scroll-indicator .arrow {
  width: 60px;
  height: 1px;
  border: none;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0));
  animation: scroll-line 2.6s var(--ease) infinite;
  transform-origin: left center;
}
@keyframes scroll-line {
  0% { transform: scaleX(0); opacity: 0; }
  30% { opacity: 1; }
  100% { transform: scaleX(1); opacity: 0; }
}

/* トップは上帯が生成りなので、ヘッダーの文字色をインクにする */
body.is-home .site-header {
  background: var(--color-bg-medium);
}
body.is-home .site-header.scrolled {
  background: var(--color-bg-medium);
  border-bottom-color: var(--color-border);
}
body.is-home .site-header .logo-text,
body.is-home .site-header .nav-link,
body.is-home .site-header .nav-phone {
  color: var(--color-primary);
}
body.is-home .site-header .logo-sub { color: var(--color-text-light); }
body.is-home .site-header .nav-cta {
  color: var(--color-primary);
  border-color: var(--color-border);
}
body.is-home .site-header .nav-cta:hover,
body.is-home .site-header.scrolled .nav-cta {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}
body.is-home .site-header .hamburger span { background: var(--color-primary); }

/* ===================================================================
   SECTION 2: MARQUEE BAND
   =================================================================== */
.marquee-band {
  width: 100%;
  height: 62px;
  background: var(--color-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
  position: relative;
}
.marquee-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee 44s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: var(--tracking-extra);
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  padding: 0 30px;
}
.marquee-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===================================================================
   SECTION 3: CONCEPT
   =================================================================== */
.concept-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
  position: relative;
  overflow: hidden;
}
/* 余白に薄い明朝の大きな一文字を置く（アンカーの装飾語彙） */
.concept-section::before {
  content: "住";
  position: absolute;
  top: 4%;
  left: -0.12em;
  font-family: var(--font-display);
  font-size: clamp(180px, 26vw, 380px);
  line-height: 1;
  color: var(--color-bg-medium);
  z-index: 0;
  pointer-events: none;
}
.concept-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(40px, 6vw, 92px);
  align-items: center;
}
.concept-text .section-overline {
  margin-bottom: 26px;
}
.concept-text .section-main-title {
  font-size: var(--text-section-title);
  margin-bottom: 34px;
}
.concept-description {
  font-family: var(--font-display);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
  margin-bottom: 46px;
}
/* 想創舎型の非対称コラージュ：主写真を上げ、副写真を食い込ませる */
.concept-images {
  position: relative;
  height: clamp(460px, 46vw, 620px);
}
.concept-img-main {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: auto;
  width: 82%;
  height: 74%;
  overflow: hidden;
}
.concept-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.concept-img-sub {
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 0;
  width: 50%;
  height: 44%;
  overflow: hidden;
  border: none;
}
.concept-img-sub img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* 余白に敷く間取り図の線画（写真の背後・透過）。写真が主役なので線は極細・低彩度 */
.concept-plan {
  position: absolute;
  z-index: 0;
  /* 本文に線が掛かると読みにくいので、右半分（写真側）だけに敷く */
  left: auto;
  right: -5%;
  bottom: -9%;
  top: auto;
  transform: none;
  width: min(780px, 62%);
  height: auto;
  color: var(--color-text-light);
  opacity: 0.32;
  pointer-events: none;
}
.concept-caption {
  position: absolute;
  bottom: 4%;
  right: -4px;
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: var(--tracking-extra);
  color: var(--color-text-light);
}

/* ===================================================================
   SECTION 4: SERVICE
   =================================================================== */
.service-section {
  padding: var(--sp-xl) 0;
  background: var(--color-bg-medium);
}
.service-head {
  max-width: var(--container-max);
  margin: 0 auto clamp(56px, 7vw, 96px);
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: end;
}
.service-head .section-title-block { margin-bottom: 0; }
.service-head-lead {
  font-family: var(--font-display);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
  padding-bottom: 6px;
}
/* 5枚の同じカードを並べるのをやめ、写真と本文が交互に入れ替わる読み物の列にする */
.service-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 7vw, 104px);
  counter-reset: svc;
}
.service-card {
  counter-increment: svc;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(28px, 5vw, 76px);
  background: transparent;
  border: none;
  overflow: visible;
}
.service-card:nth-child(even) .card-image { order: 2; }
.service-card .card-image {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.service-card .card-image img,
.service-card .card-image picture {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.2s var(--ease);
}
.service-card:hover .card-image img { transform: scale(1.045); }
.service-card .card-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.service-card .card-body::before {
  content: "0" counter(svc);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: var(--color-accent);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.service-grid .card-icon { display: none; }
.service-card .card-icon {
  width: 34px;
  height: 34px;
  margin-bottom: 20px;
  opacity: 0.55;
}
.service-card .card-icon img { width: 100%; height: 100%; object-fit: contain; }
.service-card .card-title {
  font-family: var(--font-display);
  font-size: clamp(21px, 2vw, 27px);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: var(--tracking-wide);
  color: var(--color-primary);
  margin-bottom: 22px;
}
.service-card .card-desc {
  font-family: var(--font-display);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
  margin-bottom: 34px;
  max-width: 32em;
}
.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: var(--tracking-wide);
  color: var(--color-primary);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--hover), border-color var(--hover);
}
.service-card:hover .card-link {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.service-section .btn-center-wrap {
  text-align: center;
  margin-top: clamp(64px, 8vw, 104px);
}

/* ===================================================================
   SECTION 5: WORKS DIGEST (Before/After + Cards)
   =================================================================== */
.works-digest-section {
  padding: var(--sp-lg) 0;
  background: var(--color-footer-bg-dark);
}
/* 暗面に置いた帯の文字組み */
.works-digest-section .section-main-title { color: #FFFFFF; }
.works-digest-section .card-works .card-title { color: rgba(255, 255, 255, 0.94); }
.works-digest-section .card-works:hover .card-title { color: var(--color-accent); }
.works-digest-section .card-works .card-body { border-top-color: rgba(255, 255, 255, 0.18); }
.works-digest-section .card-works .card-meta { color: rgba(255, 255, 255, 0.68); }
.works-digest-section .flip-hint { color: rgba(255, 255, 255, 0.68); }
.works-digest-section .btn-ghost {
  color: #FFFFFF;
  border-bottom-color: rgba(255, 255, 255, 0.4);
}
.works-digest-section .btn-ghost:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
/* 暗面ではダークの塗りボタンが沈むので、白い細枠に置き換える */
.works-digest-section .btn-primary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
}
.works-digest-section .btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}
.works-digest-section .section-title-block {
  max-width: var(--container-max);
  margin: 0 auto clamp(48px, 6vw, 72px);
  padding: 0 var(--container-padding);
}
/* 1件目を主役サイズに。事例を「カードの並び」でなく「作品」として見せる */
.flip-showcase {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 28px);
  counter-reset: wcase;
}
.flip-card {
  counter-increment: wcase;
  position: relative;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  perspective: none;
}
.flip-card:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 7;
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
}
.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transition: opacity 0.9s var(--ease);
}
.flip-card-back { opacity: 0; }
.flip-card.flipped .flip-card-front { opacity: 0; }
.flip-card.flipped .flip-card-back { opacity: 1; }
.flip-card picture,
.flip-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.flip-label {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  padding: 12px 18px;
  color: #FFFFFF;
  background: rgba(28, 24, 20, 0.72);
}
.flip-label-after { background: var(--color-accent); }
.flip-card-info {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 26px 24px 22px;
  color: #FFFFFF;
  background: linear-gradient(to top, rgba(28, 24, 20, 0.78), rgba(28, 24, 20, 0));
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.flip-card-info::before {
  content: "Case 0" counter(wcase);
  position: absolute;
  top: -34px;
  left: 24px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: var(--tracking-extra);
  color: rgba(255, 255, 255, 0.85);
}
.flip-category {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.5vw, 20px);
  letter-spacing: var(--tracking-wide);
}
.flip-meta {
  display: flex;
  gap: 20px;
  font-size: 12px;
  letter-spacing: var(--tracking-normal);
  color: rgba(255, 255, 255, 0.82);
}
.flip-hint {
  max-width: var(--container-wide);
  margin: 22px auto 0;
  padding: 0 var(--container-padding);
  text-align: right;
  font-size: 12px;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-light);
}
/* 下段は枠のあるカードをやめ、写真＋キャプションの図版組みにする */
.works-digest-grid {
  max-width: var(--container-wide);
  margin: clamp(64px, 8vw, 104px) auto 0;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3vw, 44px);
}
.card-works {
  position: relative;
  display: block;
  background: transparent;
  border: none;
  overflow: visible;
}
.card-works .card-image {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  margin-bottom: 22px;
}
.card-works .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.card-works:hover .card-image img { transform: scale(1.045); }
.card-category-badge {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  color: #FFFFFF;
  background: rgba(28, 24, 20, 0.72);
  padding: 9px 16px;
}
.card-works .card-body {
  padding: 0;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}
.card-works .card-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: var(--tracking-normal);
  color: var(--color-primary);
  margin-bottom: 14px;
  transition: color var(--hover);
}
.card-works:hover .card-title { color: var(--color-accent); }
.card-works .card-meta {
  display: flex;
  gap: 20px;
  font-size: 12px;
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-light);
}
.works-digest-section .btn-center-wrap {
  text-align: center;
  margin-top: clamp(56px, 7vw, 88px);
}

/* ===================================================================
   SECTION 6: PARALLAX BAND
   =================================================================== */
.parallax-band-1 {
  width: 100%;
  height: 58vh;
  min-height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.parallax-band-1 .parallax-bg {
  position: absolute;
  inset: -16%;
  background-color: var(--color-dark);
  background-size: cover;
  background-position: center;
  will-change: transform;
}
.parallax-band-1 .parallax-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.parallax-band-1 .parallax-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 24, 20, 0.46);
}
.parallax-band-1 .parallax-text {
  position: relative;
  z-index: 2;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 34px);
  font-weight: 500;
  color: #FFFFFF;
  line-height: 2.1;
  letter-spacing: var(--tracking-wide);
  padding: 0 var(--container-padding);
}
.parallax-band-1 .parallax-text::before {
  content: "";
  display: block;
  width: 1px;
  height: 56px;
  background: var(--color-accent);
  margin: 0 auto 36px;
}

/* ===================================================================
   SECTION 7: SIMULATOR CTA
   =================================================================== */
/* 直前の視差帯（写真＝暗）から続くので、ここは明るい面で受ける */
.simulator-cta-section {
  padding: var(--sp-md) 0;
  background: var(--color-bg-warm);
}
.simulator-cta-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: left;
  border: none;
  background: transparent;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.simulator-cta-inner .section-overline { color: var(--color-accent); }
.simulator-cta-inner .section-main-title {
  font-size: var(--text-section-title);
  color: var(--color-primary);
  margin-bottom: 26px;
}
.simulator-cta-inner .sim-desc {
  font-family: var(--font-display);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  margin-bottom: 0;
}
.simulator-cta-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  padding-left: clamp(0px, 3vw, 48px);
  border-left: 1px solid var(--color-border);
}
.simulator-cta-btn {
  font-size: 14px;
  padding: 20px 46px;
}
.simulator-note {
  font-size: 12px;
  color: var(--color-text-light);
  font-style: normal;
  margin-top: 0;
  line-height: 1.9;
  letter-spacing: var(--tracking-normal);
}

/* ===================================================================
   SECTION 8: NUMBERS (Track Record)
   =================================================================== */
.numbers-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}
.numbers-section .section-title-block {
  max-width: var(--container-max);
  margin: 0 auto clamp(48px, 6vw, 76px);
  padding: 0 var(--container-padding);
}
/* 写真つきカードをやめ、罫線で仕切った巨大数字の三段組にする（実績を数字で立てる） */
.numbers-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.numbers-item {
  background: transparent;
  overflow: visible;
  padding: 0 clamp(20px, 3vw, 46px);
  border-left: 1px solid var(--color-border);
}
.numbers-item:first-child { border-left: none; padding-left: 0; }
.numbers-item:last-child { padding-right: 0; }
.numbers-item .item-image { display: none; }
.numbers-item .item-body { padding: 0; }
.numbers-item .item-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 26px;
}
.numbers-item .item-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 26px;
  color: var(--color-primary);
}
.numbers-item .item-unit {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-normal);
}
.numbers-item .item-text {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 2.2;
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
}
.numbers-item .item-text .num-highlight {
  font-family: var(--font-num);
  font-size: var(--text-number-large);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1;
  display: inline-block;
  vertical-align: baseline;
  margin: 0 0.06em;
  letter-spacing: 0.01em;
}

/* ===================================================================
   SECTION 9: VOICE DIGEST (Customer Reviews)
   =================================================================== */
.voice-digest-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-medium);
  overflow: clip;
}
.voice-digest-section .section-title-block {
  max-width: var(--container-max);
  margin: 0 auto clamp(48px, 6vw, 72px);
  padding: 0 var(--container-padding);
}
.voice-slider-wrap {
  position: relative;
  width: 100%;
  overflow: visible;
}
.voice-slider {
  display: flex;
  gap: clamp(20px, 3vw, 44px);
  transition: transform 0.9s var(--ease);
  padding: 0 max(var(--container-padding), calc((100vw - var(--container-max)) / 2 + var(--container-padding)));
}
/* 白いカードの並びをやめ、引用として読ませる（枠は下の罫線1本だけ） */
.voice-card {
  min-width: min(580px, 82vw);
  background: transparent;
  padding: 0 0 34px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  opacity: 0.32;
  transform: none;
  transition: opacity 0.9s var(--ease);
}
.voice-card.active {
  opacity: 1;
  transform: none;
}
.voice-card .review-text {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.7vw, 22px);
  font-weight: 500;
  line-height: 2.1;
  letter-spacing: var(--tracking-wide);
  color: var(--color-primary);
  margin: 0 0 34px;
  padding-top: 46px;
}
.voice-card .review-text::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  left: -4px;
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.5;
}
.voice-card .stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.voice-card .star {
  width: 20px;
  height: 20px;
  color: #F5B731;
}
.voice-card .star svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}
.voice-card .review-text {
  font-size: 15px;
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  margin-bottom: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.voice-card .reviewer {
  display: flex;
  align-items: center;
  gap: 16px;
}
.voice-card .reviewer-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-bg-medium);
  background: var(--color-bg-medium);
}
.voice-card .reviewer-info {
  display: flex;
  flex-direction: column;
}
.voice-card .reviewer-name {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.voice-card .reviewer-detail {
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
}
.voice-slider-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}
.voice-slider-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
  border: none;
  padding: 0;
}
.voice-slider-dots .dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

/* ===================================================================
   SECTION 10: FLOW DIGEST
   =================================================================== */
.flow-digest-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}
.flow-digest-section .section-title-block {
  max-width: var(--container-max);
  margin: 0 auto clamp(48px, 6vw, 76px);
  padding: 0 var(--container-padding);
}
/* 中央のイラストを軸に、左右へステップを振り分ける（左は右寄せ・右は左寄せで軸に流す） */
.flow-digest-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
}
.flow-steps-left,
.flow-steps-right {
  display: flex;
  flex-direction: column;
  gap: clamp(38px, 5vw, 62px);
}
.flow-steps-left { text-align: right; }
.flow-step {
  position: relative;
}
.flow-steps-left .flow-step { padding-right: 26px; border-right: 1px solid var(--color-border); }
.flow-steps-right .flow-step { padding-left: 26px; border-left: 1px solid var(--color-border); }
.flow-steps-left .flow-step::after,
.flow-steps-right .flow-step::after {
  content: "";
  position: absolute;
  top: 12px;
  width: 7px;
  height: 7px;
  background: var(--color-accent);
}
.flow-steps-left .flow-step::after { right: -4px; }
.flow-steps-right .flow-step::after { left: -4px; }
.step-number {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: var(--color-accent);
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  color: var(--color-primary);
  margin-bottom: 14px;
  line-height: 1.7;
}
.step-desc {
  font-size: 13px;
  line-height: 2.05;
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
}
.flow-illustration {
  width: clamp(200px, 24vw, 330px);
}
.flow-illustration img {
  width: 100%;
  height: auto;
  mix-blend-mode: normal;
}
.flow-digest-section .btn-center-wrap {
  text-align: center;
  margin-top: clamp(56px, 7vw, 88px);
}

/* ===================================================================
   SECTION 11: BLOG DIGEST
   =================================================================== */
.blog-digest-section {
  padding: var(--sp-md) 0;
  background: var(--color-bg-medium);
}
.blog-digest-section .section-title-block {
  max-width: var(--container-max);
  margin: 0 auto clamp(40px, 5vw, 64px);
  padding: 0 var(--container-padding);
}
.blog-magazine-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}
.blog-feature {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.blog-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.3s var(--ease);
}
.blog-feature:hover img { transform: scale(1.04); }
.blog-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 60px 34px 30px;
  background: linear-gradient(to top, rgba(28, 24, 20, 0.82), rgba(28, 24, 20, 0));
  color: #FFFFFF;
}
.blog-overlay .blog-title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 22px);
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: var(--tracking-normal);
  margin: 14px 0 12px;
  color: #FFFFFF;
}
.blog-category {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: var(--color-accent);
}
.blog-date {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  color: rgba(255, 255, 255, 0.72);
}
/* 右側は写真小＋テキストの見出しリスト（カード枠は持たせない） */
.blog-sub {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 22px;
  padding-bottom: 26px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}
.blog-sub:last-child { margin-bottom: 0; }
.blog-thumb {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.blog-sub:hover .blog-thumb img { transform: scale(1.05); }
.blog-info .blog-category { color: var(--color-accent); }
.blog-info .blog-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: var(--tracking-normal);
  color: var(--color-primary);
  margin: 10px 0 10px;
  transition: color var(--hover);
}
.blog-sub:hover .blog-info .blog-title { color: var(--color-accent); }
.blog-info .blog-date { color: var(--color-text-light); }
.blog-digest-section .btn-center-wrap {
  text-align: center;
  margin-top: clamp(48px, 6vw, 72px);
}

/* ===================================================================
   SECTION 12: AREA
   =================================================================== */
.area-section {
  padding: var(--sp-md) 0;
  background: var(--color-bg-light);
}
.area-section .section-title-block {
  max-width: var(--container-max);
  margin: 0 auto clamp(40px, 5vw, 60px);
  padding: 0 var(--container-padding);
}
.area-inner {
  max-width: var(--container-max);
  margin: 0 auto clamp(40px, 5vw, 60px);
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.area-text .area-list {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 2.2;
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  padding-left: 20px;
  border-left: 1px solid var(--color-accent);
}
.area-text .area-note {
  font-size: 12px;
  color: var(--color-text-light);
  font-style: normal;
  letter-spacing: var(--tracking-normal);
}
.area-map img {
  width: 100%;
  height: auto;
}
/* Area Marquee — 濃い面でなく、細い罫のあいだを文字が流れる帯にする */
.area-marquee {
  width: 100%;
  height: 56px;
  background: var(--color-bg-medium);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.area-marquee .marquee-track {
  animation: marquee 52s linear infinite;
}
.area-marquee .marquee-item {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
  padding: 0 26px;
}

/* ===================================================================
   SECTION 13: CTA BANNER
   =================================================================== */
/* 締めは写真の上の暗幕。淡いグラデの面で終わらせない */
.cta-banner-section {
  position: relative;
  padding: var(--sp-lg) 0;
  background: var(--color-dark);
  overflow: hidden;
}
.cta-banner-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/common/contact-hero.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}
.cta-banner-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(28, 24, 20, 0.35), rgba(28, 24, 20, 0.55));
}
.cta-banner-section > * { position: relative; z-index: 1; }
.cta-banner-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-read);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}
.cta-banner-inner .section-overline { justify-content: center; }
.cta-banner-inner .section-main-title {
  font-size: var(--text-section-title);
  color: #FFFFFF;
  margin-bottom: 26px;
}
.cta-banner-inner .cta-sub {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: var(--tracking-normal);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 48px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-buttons a {
  min-width: 218px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  transition: background var(--hover), color var(--hover), border-color var(--hover);
}
.cta-btn-phone {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #FFFFFF;
  background: transparent;
}
.cta-btn-phone:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}
.cta-btn-line-cta {
  background: var(--color-line);
  color: #FFFFFF;
}
.cta-btn-line-cta:hover { background: var(--color-line-hover); }
.cta-btn-form {
  background: var(--color-accent);
  color: #FFFFFF;
}
.cta-btn-form:hover { background: var(--color-accent-hover); }

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer {
  background: var(--color-footer-bg);
  color: rgba(255, 255, 255, 0.7);
}
.footer-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: clamp(64px, 8vw, 104px) var(--container-padding) clamp(48px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 56px);
}
.footer-brand .footer-logo {
  font-family: var(--font-en);
  font-size: 19px;
  color: #FFFFFF;
  letter-spacing: var(--tracking-extra);
  margin-bottom: 12px;
}
.footer-brand .footer-logo-sub {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  color: rgba(255,255,255,0.5);
  margin-bottom: 28px;
}
.footer-brand .footer-address {
  font-size: 12px;
  line-height: 2.1;
  letter-spacing: var(--tracking-normal);
  color: rgba(255,255,255,0.62);
  margin-bottom: 20px;
}
.footer-brand .footer-tel {
  font-family: var(--font-num);
  font-size: 26px;
  color: #FFFFFF;
  letter-spacing: 0.06em;
}
.footer-nav-col h4 {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: var(--tracking-extra);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-nav-col ul li { margin-bottom: 14px; }
.footer-nav-col a {
  font-size: 12.5px;
  letter-spacing: var(--tracking-normal);
  color: rgba(255,255,255,0.62);
  transition: color var(--hover);
}
.footer-nav-col a:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.footer-sns {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.footer-sns a {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  transition: background var(--hover), color var(--hover), border-color var(--hover);
}
.footer-sns a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #FFFFFF;
}
.footer-bottom {
  background: var(--color-footer-bottom);
  padding: 22px 16px;
  text-align: center;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: var(--tracking-wide);
  color: rgba(255,255,255,0.45);
}

/* ===================================================================
   FLOATING CTA (Mobile)
   =================================================================== */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  padding: 12px 16px;
  display: none;
  gap: 8px;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}
.floating-cta.visible { transform: translateY(0); }
.floating-cta .cta-btn {
  flex: 1;
  padding: 12px 0;
  border-radius: 0;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.floating-cta .cta-btn-phone-m { border: 2px solid var(--color-primary); color: var(--color-primary); }
.floating-cta .cta-btn-line-m { background: var(--color-line); color: #FFFFFF; }
.floating-cta .cta-btn-contact-m { background: var(--color-secondary); color: #FFFFFF; }

/* ===================================================================
   PHASE 2: PAGE HERO (works / service / detail)
   =================================================================== */
.page-hero {
  width: 100%;
  height: 52vh;
  min-height: 400px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  text-align: left;
  overflow: hidden;
  background: var(--color-dark);
}
.page-hero .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-hero .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero .hero-bg .placeholder-img {
  width: 100%;
  height: 100%;
}
.page-hero .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 24, 20, 0.78) 0%, rgba(28, 24, 20, 0.3) 55%, rgba(28, 24, 20, 0.12) 100%);
}
.page-hero .hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding) clamp(48px, 7vw, 84px);
}
.page-hero .hero-overline {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-extra);
  color: var(--color-accent);
  margin-bottom: 22px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 14px;
}
.page-hero .hero-overline::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--color-accent);
}
.page-hero .hero-title {
  font-family: var(--font-display);
  font-size: clamp(27px, 3.4vw, 44px);
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: 20px;
  line-height: 1.55;
  letter-spacing: var(--tracking-wide);
}
.page-hero .hero-desc {
  font-family: var(--font-display);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 2.05;
  letter-spacing: var(--tracking-normal);
  max-width: 40em;
}

/* ===================================================================
   PHASE 2: FILTER BAR (works.html)
   =================================================================== */
.filter-section {
  padding: 48px 0 0;
  background: var(--color-bg-light);
}
.filter-bar {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.filter-btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 0;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
}
.filter-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.filter-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #FFFFFF;
}

/* ===================================================================
   PHASE 2: FEATURE FLIP CARDS (works.html)
   =================================================================== */
.feature-works {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 48px var(--container-padding);
}
/* 暗面に置いたビフォーアフター帯（トップの施工事例帯と揃える） */
.feature-works.on-dark {
  max-width: 100%;
  padding: var(--sp-md) 0;
  background: var(--color-footer-bg-dark);
}
.feature-works.on-dark .feature-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.feature-works.on-dark .feature-title,
.feature-works.on-dark .feature-info .title { color: rgba(255, 255, 255, 0.94); }
.feature-works.on-dark .feature-meta,
.feature-works.on-dark .feature-info .meta { color: rgba(255, 255, 255, 0.68); }
.feature-works.on-dark .flip-hint { color: rgba(255, 255, 255, 0.68); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 16px;
}
.feature-flip {
  border-radius: 0;
  overflow: visible;
  background: #FFFFFF;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.feature-flip:hover {
  transform: translateY(-6px);
}
.feature-flip .flip-area {
  height: 300px;
  perspective: 1000px;
  cursor: pointer;
  border-radius: 0;
  overflow: hidden;
}
.feature-flip .flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.feature-flip.flipped .flip-inner {
  transform: rotateY(180deg);
}
.feature-flip .flip-front,
.feature-flip .flip-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
}
.feature-flip .flip-back {
  transform: rotateY(180deg);
}
.feature-flip .flip-front .placeholder-img,
.feature-flip .flip-back .placeholder-img,
.feature-flip .flip-front img,
.feature-flip .flip-back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-flip .flip-label {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  padding: 6px 14px;
  border-radius: 4px;
  z-index: 2;
  text-transform: uppercase;
}
.flip-label-before {
  background: rgba(44, 35, 28, 0.75);
  color: #FFFFFF;
}
.flip-label-after {
  background: rgba(74, 124, 111, 0.85);
  color: #FFFFFF;
}
.feature-flip .card-info {
  padding: 24px;
}
.feature-flip .card-category {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.feature-flip .card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}
.feature-flip .card-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}
.feature-flip .card-meta .price {
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 700;
}
.feature-flip .card-detail-link {
  font-size: 14px;
  color: var(--color-secondary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.28s var(--ease);
}
.feature-flip .card-detail-link:hover {
  gap: 10px;
}
.flip-hint {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-light);
  font-style: italic;
}

/* ===================================================================
   PHASE 2: WORKS GRID (works.html page-level)
   =================================================================== */
.works-grid-section {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding) 120px;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
/* Filter animation for card-works */
.card-works.filter-transition {
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.card-works.hidden {
  opacity: 0;
  transform: scale(0.92);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}
.card-works.visible {
  opacity: 1;
  transform: scale(1);
  position: relative;
  visibility: visible;
}

/* ===================================================================
   PHASE 2: WORKS DETAIL (works-detail.html)
   =================================================================== */
.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 100px var(--container-padding) 0;
  font-size: 14px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color 0.28s var(--ease);
}
.breadcrumb a:hover {
  color: var(--color-secondary);
}
.breadcrumb .separator {
  font-size: 12px;
  color: var(--color-border);
}
.breadcrumb .current {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Detail Hero */
.detail-hero {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 40px var(--container-padding) 0;
}
.detail-flip-main {
  width: 100%;
  height: 500px;
  perspective: 1200px;
  cursor: pointer;
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 16px;
}
.detail-flip-main .flip-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.detail-flip-main.flipped .flip-inner {
  transform: rotateY(180deg);
}
.detail-flip-main .flip-front,
.detail-flip-main .flip-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
}
.detail-flip-main .flip-back {
  transform: rotateY(180deg);
}
.detail-flip-main .flip-front .placeholder-img,
.detail-flip-main .flip-back .placeholder-img,
.detail-flip-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.detail-flip-main .flip-label {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  padding: 8px 18px;
  border-radius: 0;
  z-index: 2;
  text-transform: uppercase;
}

/* Before/After Toggle */
.ba-toggle {
  display: inline-flex;
  gap: 0;
  border-radius: 0;
  overflow: hidden;
  border: 2px solid var(--color-primary);
  margin-top: 16px;
}
.ba-toggle button {
  padding: 10px 28px;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.12em;
  border: none;
  cursor: pointer;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
  text-transform: uppercase;
}
.ba-toggle .btn-before {
  background: var(--color-primary);
  color: #FFFFFF;
}
.ba-toggle .btn-after {
  background: transparent;
  color: var(--color-primary);
}
.ba-toggle.showing-after .btn-before {
  background: transparent;
  color: var(--color-primary);
}
.ba-toggle.showing-after .btn-after {
  background: var(--color-secondary);
  color: #FFFFFF;
}

/* Thumbnails */
.detail-thumbnails {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}
.detail-thumbnails .thumb {
  width: 80px;
  height: 80px;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  border: 3px solid transparent;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
  opacity: 0.6;
}
.detail-thumbnails .thumb.active {
  border-color: var(--color-accent);
  opacity: 1;
}
.detail-thumbnails .thumb:hover {
  opacity: 1;
}
.detail-thumbnails .thumb .placeholder-img,
.detail-thumbnails .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Title Area */
.detail-title-area {
  margin-bottom: 48px;
}
.detail-title-area .detail-category {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.detail-title-area .detail-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 36px);
  color: var(--color-primary);
  line-height: 1.3;
}

/* Detail Overview */
.detail-overview {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding) 80px;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 60px;
  align-items: start;
}
.detail-info-table {
  background: #FFFFFF;
  border-radius: 0;
  padding: 32px;
}
.detail-info-table .info-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}
.detail-info-table .info-row:last-child {
  border-bottom: none;
}
.detail-info-table .info-label {
  color: var(--color-text-light);
  font-size: 13px;
  letter-spacing: 0.04em;
  min-width: 100px;
}
.detail-info-table .info-value {
  color: var(--color-text-primary);
  font-weight: 500;
  text-align: right;
}
.detail-info-table .info-value.price {
  font-family: var(--font-num);
  font-size: 24px;
  color: var(--color-primary);
}
.detail-description {
  font-size: 16px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}
.detail-description h3 {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 16px;
  margin-top: 32px;
}
.detail-description h3:first-child {
  margin-top: 0;
}
.detail-description p {
  margin-bottom: 16px;
}

/* Gallery */
.detail-gallery {
  padding: var(--sp-md) 0;
  background: var(--color-bg-medium);
}
.gallery-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 0 var(--container-padding);
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}
.gallery-scroll::-webkit-scrollbar {
  height: 6px;
}
.gallery-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}
.gallery-item {
  min-width: 360px;
  height: 270px;
  border-radius: 0;
  overflow: hidden;
  flex-shrink: 0;
  scroll-snap-align: start;
}
.gallery-item .placeholder-img,
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover .placeholder-img,
.gallery-item:hover img {
  transform: scale(1.04);
}

/* Voice Quote */
.detail-voice {
  padding: var(--sp-md) 0;
  background: var(--color-bg-light);
}
.voice-quote-block {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px;
  background: #FFFFFF;
  border-radius: 0;
  text-align: center;
}
.voice-quote-icon {
  font-size: 64px;
  color: var(--color-accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 24px;
  font-family: Georgia, serif;
}
.voice-quote-main {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 24px);
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.voice-quote-detail {
  font-size: 15px;
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  text-align: left;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.voice-reviewer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.voice-reviewer .photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-bg-medium);
  flex-shrink: 0;
}
.voice-reviewer .photo .placeholder-img {
  width: 100%;
  height: 100%;
}
.voice-reviewer .reviewer-info .name {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-primary);
}
.voice-reviewer .reviewer-info .meta {
  font-size: 12px;
  color: var(--color-text-light);
}

/* Related Works */
.related-works {
  padding: var(--sp-md) 0;
  background: var(--color-bg-medium);
}
.related-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

/* ===================================================================
   PHASE 2: SERVICE PAGE (service.html)
   =================================================================== */
.service-nav {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 70px;
  z-index: 50;
  padding: 16px 0;
}
.service-nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  justify-content: center;
  gap: 12px;
  overflow-x: auto;
}
.service-nav-btn {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: 0;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
  text-decoration: none;
  display: inline-block;
}
.service-nav-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.service-nav-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #FFFFFF;
}

/* Service Detail Sections */
.service-detail {
  padding: var(--sp-lg) 0;
}
.service-detail.bg-light {
  background: var(--color-bg-light);
}
.service-detail.bg-medium {
  background: var(--color-bg-medium);
}
.service-detail-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.service-detail.reverse .service-detail-inner {
  direction: rtl;
}
.service-detail.reverse .service-detail-inner > * {
  direction: ltr;
}

/* Overlapping Images [C] */
.service-images {
  position: relative;
  height: 460px;
}
.service-img-main {
  position: absolute;
  top: 0;
  left: 0;
  width: 70%;
  height: 380px;
  border-radius: 0;
  overflow: hidden;
  z-index: 1;
}
.service-img-main .placeholder-img,
.service-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.service-img-sub {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 45%;
  height: 250px;
  border-radius: 0;
  overflow: hidden;
  border: 6px solid #FFFFFF;
  z-index: 2;
}
.service-img-sub .placeholder-img,
.service-img-sub img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Service Text */
.service-text .section-overline {
  text-align: left;
  margin-bottom: 12px;
}
.service-text .section-main-title {
  text-align: left;
  font-size: clamp(28px, 3.5vw, 40px);
  margin-bottom: 20px;
}
.service-text .section-accent-line {
  margin: 0 0 28px 0;
}
.service-text .lead {
  font-size: 16px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* Price Table */
.price-table {
  background: #FFFFFF;
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 28px;
}
.price-table .table-header {
  background: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  padding: 12px 20px;
  text-transform: uppercase;
}
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}
.price-row:last-child {
  border-bottom: none;
}
.price-row .service-name {
  color: var(--color-text-primary);
}
.price-row .price-range {
  font-family: var(--font-num);
  font-size: 17px;
  color: var(--color-primary);
  font-weight: 700;
  white-space: nowrap;
}
.price-note {
  font-size: 12px;
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: 24px;
}
.service-features {
  margin-bottom: 28px;
}
.service-features li {
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}
.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}
.service-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Parallax Band */
.parallax-band {
  width: 100%;
  height: 40vh;
  min-height: 280px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.parallax-band .parallax-bg {
  position: absolute;
  inset: -16%;
  background-size: cover;
  background-position: center;
  /* background-attachment: fixed は iOS で描画が崩れるため使わない。動きは JS の
     translate3d（画面通過の進行度で ±40px）で出す */
  will-change: transform;
}
.parallax-band .parallax-bg .placeholder-img {
  width: 100%;
  height: 100%;
}
.parallax-band .parallax-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(28, 24, 20, 0.34), rgba(28, 24, 20, 0.58));
}
.parallax-band .parallax-text {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 500;
  line-height: 2;
  letter-spacing: var(--tracking-wide);
  color: #FFFFFF;
  text-align: center;
  padding: 0 var(--container-padding);
}

/* Pricing Policy */
.pricing-policy {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}
.pricing-lead {
  max-width: 800px;
  margin: 0 auto 60px;
  text-align: center;
  font-size: 16px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  padding: 0 var(--container-padding);
}
.policy-cards {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}
.policy-card {
  text-align: center;
  padding: 40px 28px;
  background: #FFFFFF;
  border-radius: 0;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.policy-card:hover {
  transform: translateY(-6px);
}
.policy-card .policy-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
}
.policy-card .policy-icon .placeholder-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.policy-card .policy-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.policy-card .policy-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.pricing-note {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-light);
  padding: 0 var(--container-padding);
}

/* Simulator CTA (service page) */
.simulator-cta-service {
  padding: var(--sp-md) 0;
  background: linear-gradient(135deg, #F0E6D8 0%, #EDE6DC 40%, #FAF6F1 100%);
}
.simulator-cta-service .cta-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 0 var(--container-padding);
}
.simulator-cta-service .section-main-title {
  margin-bottom: 20px;
}
.simulator-cta-service .cta-desc {
  font-size: 16px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}
.simulator-cta-service .cta-note {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 24px;
}
@keyframes btn-pulse {
  0%, 100% { }
  50% { }
}
.btn-pulse {
  animation: btn-pulse 2s ease-in-out infinite;
}

/* ===================================================================
   PHASE 2: RESPONSIVE ADDITIONS
   =================================================================== */
@media (max-width: 1024px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  /* Filter bar */
  .filter-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
  }
  .filter-btn {
    flex-shrink: 0;
    font-size: 13px;
    padding: 8px 18px;
  }

  /* Feature flip */
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .feature-flip .flip-area { height: 250px; }

  /* Works grid */
  .works-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 420px;
    margin: 0 auto;
  }

  /* Detail */
  .detail-flip-main { height: 280px; border-radius: 0; }
  .detail-thumbnails .thumb { width: 60px; height: 60px; }
  .detail-title-area .detail-title { font-size: 26px; }
  .detail-overview {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .gallery-item { min-width: 280px; height: 210px; }

  /* Related */
  .related-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Service page */
  .service-nav-inner {
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }
  .service-nav-btn {
    flex-shrink: 0;
    font-size: 13px;
    padding: 8px 18px;
  }
  .service-detail { padding: var(--sp-md) 0; }
  .service-detail-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .service-detail.reverse .service-detail-inner {
    direction: ltr;
  }
  .service-images {
    height: 280px;
    order: -1;
  }
  .service-img-main { width: 75%; height: 240px; }
  .service-img-sub { width: 50%; height: 160px; }
  .service-text .section-main-title { font-size: 28px; }
  .service-buttons { flex-direction: column; }
  .policy-cards { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .parallax-band .parallax-bg { background-attachment: scroll; }
  .voice-quote-block { padding: 32px 20px; margin: 0 var(--container-padding); }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===================================================================
   PLACEHOLDER IMAGES
   =================================================================== */
.placeholder-img {
  background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-warm) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 12px;
  font-family: var(--font-en);
  letter-spacing: 0.1em;
}

/* ===================================================================
   RESPONSIVE: 1024px
   =================================================================== */
@media (max-width: 1024px) {
  :root {
    --sp-xl: 132px;
    --sp-lg: 112px;
    --sp-md: 88px;
    --sp-sm: 64px;
  }
  .header-nav { gap: 20px; }
  .header-nav .nav-link { font-size: 12px; }

  .hero { grid-template-columns: 1fr 1fr; }
  .hero .hero-content { padding-top: calc(96px + 40px); }

  .service-head { grid-template-columns: 1fr; gap: 24px; }
  .service-card { grid-template-columns: 1fr 1fr; gap: 28px; }
  .simulator-cta-inner { grid-template-columns: 1fr; gap: 40px; }
  .simulator-cta-side { border-left: none; padding-left: 0; }
  .flow-digest-layout { grid-template-columns: 1fr auto 1fr; gap: 20px; }
  .flow-illustration { width: clamp(150px, 20vw, 220px); }
  .blog-magazine-grid { grid-template-columns: 1fr; gap: 40px; }
  .blog-feature { aspect-ratio: 16 / 9; }
  .blog-sub { grid-template-columns: 150px 1fr; }
  .voice-slider { padding: 0 var(--container-padding); }

  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ===================================================================
   RESPONSIVE: 1023px（タブレット）
   ナビ7項目＋CTAはこの幅で2行に折り返すため、ここからハンバーガーに切り替える。
   FVも左右分割をやめて縦積みにする。
   =================================================================== */
/* ナビ7項目＋CTAが1行に収まる下限は約1180px。ここから下はハンバーガーに切り替える
   （クリック要素が2行に折り返すのを避ける） */
@media (max-width: 1179px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .site-header { padding: 0 clamp(20px, 3vw, 32px); }
}

@media (max-width: 1023px) {
  .hero .hero-media { margin: 76px 0 0; }
  .hero .hero-title {
    font-size: clamp(30px, 5.4vw, 52px);
    top: clamp(22px, 4vh, 44px);
    right: clamp(20px, 3.5vw, 40px);
  }
  .hero .hero-content { right: clamp(20px, 20vw, 200px); }
  .hero .hero-scroll-indicator { display: none; }
}

/* ===================================================================
   RESPONSIVE: 768px
   =================================================================== */
@media (max-width: 767px) {
  :root {
    --text-hero-main: clamp(25px, 7vw, 36px);
    --text-hero-sub: clamp(13px, 3.6vw, 16px);
    --text-hero-number: clamp(48px, 14vw, 72px);
    --text-section-title: clamp(21px, 5.6vw, 29px);
    --text-section-sub: clamp(12px, 3vw, 14px);
    --text-h3: clamp(17px, 4.4vw, 21px);
    --text-h4: clamp(16px, 4vw, 19px);
    --text-body: 15px;
    --text-body-large: 16px;
    --text-number-large: clamp(46px, 15vw, 68px);
    --text-number-medium: clamp(28px, 7vw, 40px);
    --container-padding: 22px;
    --sp-xl: 104px;
    --sp-lg: 88px;
    --sp-md: 68px;
    --sp-sm: 52px;
    --sp-xs: 34px;
  }

  /* Header */
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .site-header { padding: 0 20px; height: 76px; }
  .site-header.scrolled { height: 64px; }
  .header-logo .logo-text { font-size: 16px; }

  /* Hero — 縦組みは高さが足りないので横組みに切り替え、写真は画面いっぱいのまま */
  .hero { height: 100svh; min-height: 560px; }
  .hero .hero-media { margin: 76px 0 0; }
  .hero .hero-veil {
    background:
      linear-gradient(to top, rgba(28, 24, 20, 0.74) 0%, rgba(28, 24, 20, 0.22) 46%, rgba(28, 24, 20, 0) 72%);
  }
  .hero .hero-media {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0 var(--container-padding) clamp(26px, 4vh, 40px);
  }
  .hero .hero-title {
    position: static;
    z-index: 4;
    margin: 0 0 24px;
    flex-direction: column;
    gap: 4px;
    font-size: clamp(28px, 8.4vw, 40px);
    line-height: 1.45;
    letter-spacing: 0.1em;
  }
  .hero .hero-title .line > span {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
    transform: translateY(102%);
  }
  .hero .hero-content {
    position: static;
    z-index: 4;
    width: 100%;
  }
  .hero .hero-brand { margin-bottom: 16px; font-size: 10px; }
  .hero .hero-brand::before { width: 26px; }
  .hero .hero-subtitle {
    margin-bottom: 24px;
    line-height: 2;
    font-size: 13px;
    max-width: 100%;
  }
  .hero .hero-buttons { flex-direction: column; align-items: stretch; gap: 18px; width: 100%; }
  .hero .hero-buttons .btn-accent { width: 100%; text-align: center; }
  .hero .hero-link { justify-content: center; }
  .hero .hero-side { display: none; }
  .hero .hero-scroll-indicator { display: none; }
  .hero .hero-foot { height: 58px; padding: 0 var(--container-padding); }
  .hero .hero-caption { font-size: 11px; }
  .hero .hero-indicators .dot { width: 20px; }

  /* Marquee */
  .marquee-band { height: 52px; }

  /* Concept */
  .concept-section { padding: var(--sp-lg) 0; }
  .concept-section::before { font-size: 180px; top: 2%; opacity: 0.85; }
  .concept-inner { grid-template-columns: 1fr; gap: 42px; }
  .concept-images { height: 74vw; max-height: 420px; order: -1; }
  .concept-img-main { width: 86%; height: 78%; }
  .concept-img-sub { width: 52%; height: 46%; }
  .concept-caption { display: none; }
  .concept-plan { right: -8%; bottom: -4%; width: 92%; opacity: 0.22; }
  .concept-description { margin-bottom: 34px; }

  /* Service */
  .service-section { padding: var(--sp-lg) 0; }
  .service-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 48px; }
  .service-grid { gap: 52px; }
  .service-card { grid-template-columns: 1fr; gap: 22px; }
  .service-card:nth-child(even) .card-image { order: 0; }
  .service-card .card-image { aspect-ratio: 3 / 2; }
  .service-card .card-body { padding: 0; }
  .service-card .card-body::before { margin-bottom: 16px; }
  .service-card .card-title { font-size: 19px; margin-bottom: 16px; }
  .service-card .card-desc { margin-bottom: 24px; }

  /* Works Digest */
  .works-digest-section { padding: var(--sp-lg) 0; }
  .flip-showcase {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 100%;
  }
  .flip-card { aspect-ratio: 3 / 2; }
  .flip-card:first-child { aspect-ratio: 3 / 2; }
  .flip-card-info { padding: 20px 18px 18px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .flip-card-info::before { top: -28px; left: 18px; }
  .flip-meta { gap: 14px; font-size: 11px; }
  .flip-hint { text-align: left; }
  .works-digest-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 100%;
  }

  /* Parallax */
  .parallax-band-1 { height: 46vh; min-height: 320px; }
  .parallax-band-1 .parallax-bg { background-attachment: scroll; }
  .parallax-band-1 .parallax-text::before { height: 40px; margin-bottom: 26px; }

  /* Simulator CTA */
  .simulator-cta-section { padding: var(--sp-md) 0; }
  .simulator-cta-inner { grid-template-columns: 1fr; gap: 34px; padding: 0 var(--container-padding); }
  .simulator-cta-side { border-left: none; padding-left: 0; }
  .simulator-cta-btn { width: 100%; text-align: center; }

  /* Numbers */
  .numbers-section { padding: var(--sp-lg) 0; }
  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 100%;
  }
  .numbers-item {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding: 34px 0;
  }
  .numbers-item:first-child { border-top: none; padding-top: 0; }
  .numbers-item:last-child { padding-bottom: 0; }
  .numbers-item .item-label { margin-bottom: 14px; }
  .numbers-item .item-num { margin-bottom: 14px; }

  /* Voice */
  .voice-digest-section { padding: var(--sp-lg) 0; }
  .voice-slider {
    gap: 18px;
    padding: 0 var(--container-padding);
  }
  .voice-card {
    min-width: 84vw;
    padding: 0 0 26px;
  }
  .voice-card .review-text { padding-top: 34px; margin-bottom: 24px; }
  .voice-card .review-text::before { font-size: 52px; top: -4px; }

  /* Flow */
  .flow-digest-section { padding: var(--sp-lg) 0; }
  .flow-digest-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .flow-illustration {
    order: -1;
    width: min(300px, 72vw);
    margin: 0 auto;
  }
  .flow-steps-left,
  .flow-steps-right {
    gap: 30px;
  }
  .flow-steps-left { text-align: left; }
  .flow-steps-left .flow-step {
    padding-right: 0;
    padding-left: 22px;
    border-right: none;
    border-left: 1px solid var(--color-border);
  }
  .flow-steps-right .flow-step { padding-left: 22px; }
  .flow-steps-left .flow-step::after { right: auto; left: -4px; }

  /* Blog */
  .blog-digest-section { padding: var(--sp-md) 0; }
  .blog-magazine-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .blog-feature { aspect-ratio: 3 / 2; }
  .blog-overlay { padding: 46px 22px 22px; }
  .blog-sub { grid-template-columns: 108px 1fr; gap: 16px; padding-bottom: 20px; margin-bottom: 20px; }

  /* Area */
  .area-section { padding: var(--sp-md) 0; }
  .area-inner { grid-template-columns: 1fr; gap: 32px; }
  .area-map { order: -1; }
  .area-marquee { height: 48px; }

  /* CTA Banner */
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons a { width: 100%; max-width: 320px; }

  /* Footer */
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px var(--container-padding);
  }

  /* Floating CTA */
  .floating-cta { display: flex; }

  /* Section title */
  .section-title-block { margin-bottom: 40px; }
}

/* ===================================================================
   PHASE 4: VOICE PAGE (voice.html)
   =================================================================== */

/* --- Voice Summary --- */
.voice-summary {
  padding: var(--sp-md) 0;
  background: var(--color-bg-light);
}
.summary-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px 40px;
  background: #FFFFFF;
  border-radius: 0;
  text-align: center;
}
.summary-logo-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}
.summary-logo-area .google-icon {
  width: 24px;
  height: 24px;
}
.summary-logo-area .summary-badge {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}
.summary-stars {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-bottom: 12px;
}
.summary-stars .star {
  width: 28px;
  height: 28px;
}
.summary-stars .star svg {
  width: 100%;
  height: 100%;
}
.summary-score {
  font-family: var(--font-num);
  font-size: clamp(48px, 6vw, 56px);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.summary-count {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
}
.summary-metrics {
  display: flex;
  justify-content: center;
  gap: 40px;
}
.summary-metric {
  text-align: center;
}
.summary-metric .metric-value {
  font-family: var(--font-num);
  font-size: 32px;
  color: var(--color-primary);
  line-height: 1.2;
}
.summary-metric .metric-label {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* --- Voice Reviews Grid --- */
.voice-reviews {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding) 120px;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* Google Review Style Card */
.review-card {
  background: #FFFFFF;
  border-radius: 0;
  padding: 36px 32px;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.review-card:hover {
  transform: translateY(-4px);
}

/* Star Rating */
.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}
.review-stars .star {
  width: 18px;
  height: 18px;
}
.review-stars .star svg {
  width: 100%;
  height: 100%;
}

/* Review Text */
.review-text {
  font-size: 15px;
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  margin-bottom: 24px;
}
.review-text .quote-mark {
  font-family: var(--font-en);
  font-size: 48px;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 0.5;
  display: block;
  margin-bottom: 8px;
}

/* Reviewer Info */
.review-card .reviewer-info {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.review-card .reviewer-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-bg-medium);
}
.review-card .reviewer-details {
  display: flex;
  flex-direction: column;
}
.review-card .reviewer-name {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--color-primary);
  margin-bottom: 2px;
}
.review-card .reviewer-meta {
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
}

/* Review Project Photo */
.review-photo {
  width: 100%;
  height: 200px;
  border-radius: 0;
  overflow: hidden;
  margin-top: 4px;
}
.review-photo img,
.review-photo .placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.review-card:hover .review-photo img,
.review-card:hover .review-photo .placeholder-img {
  transform: scale(1.04);
}

/* --- Video Section --- */
.video-section {
  padding: var(--sp-md) 0;
  background: var(--color-bg-medium);
}
.video-container {
  max-width: 800px;
  margin: 0 auto 48px;
  padding: 0 var(--container-padding);
}
.video-placeholder {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 16px;
}
.video-placeholder .video-thumb {
  position: absolute;
  inset: 0;
}
.video-placeholder .video-thumb img,
.video-placeholder .video-thumb .placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-placeholder .video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.28s var(--ease);
}
.video-placeholder:hover .video-overlay {
  background: rgba(0, 0, 0, 0.15);
}
.video-placeholder .play-btn {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
}
.video-placeholder:hover .play-btn {
  transform: scale(1.1);
  background: #FFFFFF;
}
.play-btn .triangle {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent var(--color-primary);
  margin-left: 4px;
}
.video-caption {
  text-align: center;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-primary);
}

/* Video Capability Note */
.video-capability-note {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.capability-card {
  background: #FFFFFF;
  border-radius: 0;
  padding: 32px 36px;
  border-left: 1px solid var(--color-accent);
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.capability-icon {
  flex-shrink: 0;
  margin-top: 4px;
}
.capability-content .capability-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.capability-content .capability-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.capability-formats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.format-badge {
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 0;
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Voice Parallax Band */
.voice-parallax-band .parallax-text {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
}

/* ===================================================================
   PHASE 4: FLOW PAGE (flow.html)
   =================================================================== */

/* --- Page Nav (Sticky) --- */
.page-nav {
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 70px;
  z-index: 50;
  padding: 0;
}
.page-nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  justify-content: center;
  gap: 0;
}
.page-nav-link {
  padding: 20px 32px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
  white-space: nowrap;
}
.page-nav-link:hover {
  color: var(--color-primary);
}
.page-nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

/* --- Flow Section --- */
.flow-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}

/* House Illustration */
.flow-illustration-main {
  max-width: 800px;
  margin: 0 auto 80px;
  padding: 0 var(--container-padding);
  text-align: center;
}
.flow-illustration-main img,
.flow-illustration-main .placeholder-img {
  width: 100%;
  height: auto;
  border-radius: 0;
}

/* Step Items (Alternating Layout) */
.flow-step-item {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}
.flow-step-item:last-child {
  margin-bottom: 0;
}
/* Even steps: reverse layout */
.flow-step-item:nth-child(even) {
  direction: rtl;
}
.flow-step-item:nth-child(even) > * {
  direction: ltr;
}

.flow-step-text .step-number-large {
  font-family: var(--font-en);
  font-size: clamp(48px, 6vw, 64px);
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 8px;
}
.flow-step-text .step-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  color: var(--color-primary);
  margin-bottom: 20px;
}
.flow-step-text .step-desc {
  font-size: 15px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.flow-step-text .step-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.flow-step-text .meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-secondary);
  font-weight: 500;
  background: rgba(74, 124, 111, 0.08);
  padding: 6px 14px;
  border-radius: 0;
}

/* Step Image */
.flow-step-image {
  border-radius: 0;
  overflow: hidden;
  height: 300px;
}
.flow-step-image img,
.flow-step-image .placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Flow Parallax Band */
.flow-parallax-band .parallax-text {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
}

/* --- FAQ Section --- */
.faq-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-medium);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Accordion */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}
.accordion-item:first-child {
  border-top: 1px solid var(--color-border);
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: color 0.28s var(--ease);
}
.accordion-trigger:hover {
  color: var(--color-primary);
}
.accordion-trigger .q-number {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  font-weight: 600;
}
.accordion-trigger .q-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-primary);
  flex: 1;
  line-height: 1.5;
}
.accordion-trigger .accordion-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: transform 0.4s ease;
}
.accordion-item.open .accordion-trigger .accordion-icon {
  transform: rotate(45deg);
  color: var(--color-accent);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.accordion-content p {
  padding: 0 0 24px 0;
  margin-left: 48px;
  font-size: 15px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* --- Warranty Section --- */
.warranty-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}
.warranty-lead {
  max-width: 700px;
  margin: 0 auto 60px;
  text-align: center;
  font-size: 16px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  padding: 0 var(--container-padding);
}

/* 3-Column Warranty Cards */
.warranty-cards {
  max-width: var(--container-max);
  margin: 0 auto 80px;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.warranty-card {
  background: #FFFFFF;
  border-radius: 0;
  padding: 40px 28px;
  text-align: center;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.warranty-card:hover {
  transform: translateY(-6px);
}
.warranty-card .warranty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
}
.warranty-card .warranty-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.warranty-card .warranty-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* Warranty Table */
.warranty-table-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.warranty-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 0;
  overflow: hidden;
}
.warranty-table thead th {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 16px 24px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-align: left;
}
.warranty-table tbody tr {
  background: #FFFFFF;
  transition: background 0.2s ease;
}
.warranty-table tbody tr:hover {
  background: var(--color-bg-light);
}
.warranty-table tbody td {
  padding: 16px 24px;
  font-size: 15px;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}
.warranty-table tbody tr:last-child td {
  border-bottom: none;
}
.warranty-table .period-cell {
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--color-primary);
  font-weight: 700;
}

/* ===================================================================
   PHASE 4: RESPONSIVE
   =================================================================== */
@media (max-width: 767px) {
  /* Voice Summary */
  .voice-summary { padding: var(--sp-sm) 0; }
  .summary-card { padding: 36px 24px; }
  .summary-metrics { gap: 24px; }
  .summary-metric .metric-value { font-size: 26px; }

  /* Voice Reviews */
  .voice-reviews { padding: 0 var(--container-padding) 80px; }
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .review-card { padding: 28px 24px; }
  .review-photo { height: 160px; }

  /* Video Section */
  .video-section { padding: var(--sp-sm) 0; }
  .capability-card {
    flex-direction: column;
    gap: 16px;
    padding: 24px 20px;
  }

  /* Page Nav */
  .page-nav-inner {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .page-nav-link {
    padding: 16px 20px;
    font-size: 14px;
    flex-shrink: 0;
  }

  /* Flow Section */
  .flow-section { padding: var(--sp-md) 0; }
  .flow-illustration-main { margin-bottom: 48px; }
  .flow-step-item {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 60px;
  }
  .flow-step-item:nth-child(even) { direction: ltr; }
  .flow-step-image {
    height: 220px;
    order: -1;
  }

  /* FAQ Section */
  .faq-section { padding: var(--sp-md) 0; }
  .accordion-trigger { padding: 20px 0; }
  .accordion-trigger .q-text { font-size: 15px; }
  .accordion-content p { margin-left: 0; }

  /* Warranty Section */
  .warranty-section { padding: var(--sp-md) 0; }
  .warranty-cards {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .warranty-table { font-size: 14px; }
  .warranty-table thead th,
  .warranty-table tbody td {
    padding: 12px 16px;
  }
}

/* ===================================================================
   PHASE 5: COMPANY PAGE (company.html)
   =================================================================== */

/* --- Greeting Section --- */
.greeting-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}
.greeting-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 80px;
  align-items: center;
}
.greeting-photo {
  border-radius: 0;
  overflow: hidden;
  border: 8px solid #FFFFFF;
  outline: 3px solid var(--color-border);
}
.greeting-photo img,
.greeting-photo .placeholder-img {
  width: 100%;
  height: auto;
  min-height: 450px;
  display: block;
}
.greeting-role {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.greeting-name {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 32px);
  color: var(--color-primary);
  margin-bottom: 20px;
}
.greeting-motto {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-accent);
  line-height: 1.6;
  margin-bottom: 28px;
  padding-left: 20px;
  border-left: 1px solid var(--color-accent);
}
.greeting-text {
  font-size: 15px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}
.greeting-text p + p {
  margin-top: 16px;
}
.greeting-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.greeting-badge {
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 0;
  background: rgba(74, 124, 111, 0.08);
  color: var(--color-secondary);
  font-weight: 500;
}

/* --- Staff Section --- */
.staff-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-medium);
}
.staff-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.staff-card {
  background: #FFFFFF;
  border-radius: 0;
  padding: 40px 24px;
  text-align: center;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.staff-card:hover {
  transform: translateY(-6px);
}
.staff-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 20px;
  border: 4px solid var(--color-bg-light);
}
.staff-photo img,
.staff-photo .placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.staff-role {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.staff-name {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.staff-comment {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}
.staff-cert {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 0;
  background: rgba(74, 124, 111, 0.08);
  color: var(--color-secondary);
  display: inline-block;
}

/* --- Company Info Section --- */
.company-section {
  padding: var(--sp-lg) 0;
  background: var(--color-bg-light);
}
.company-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.company-table {
  width: 100%;
}
.company-table .table-row {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}
.company-table .table-label {
  width: 140px;
  flex-shrink: 0;
  font-size: 14px;
  color: var(--color-text-light);
  font-weight: 500;
}
.company-table .table-value {
  font-size: 15px;
  color: var(--color-text-primary);
  line-height: 1.6;
}
.company-map {
  width: 100%;
  height: 400px;
  border-radius: 0;
  overflow: hidden;
  background: var(--color-bg-medium);
}
.company-map iframe,
.company-map .placeholder-img {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===================================================================
   PHASE 5: BLOG LIST PAGE (blog.html)
   =================================================================== */

/* --- Blog Filter --- */
.blog-filter-section {
  padding: 48px 0 0;
  background: var(--color-bg-light);
}
.blog-filter-bar {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

/* --- Blog Grid --- */
.blog-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 48px var(--container-padding) 120px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* Feature Article */
.blog-feature-card {
  grid-column: 1 / -1;
  height: 400px;
  border-radius: 0;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  display: block;
}
.blog-feature-card img,
.blog-feature-card > .placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.blog-feature-card:hover img,
.blog-feature-card:hover > .placeholder-img {
  transform: scale(1.03);
}
.blog-feature-card .blog-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(44, 35, 28, 0.8));
  z-index: 2;
}
.blog-feature-card .blog-category {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.blog-feature-card .blog-title {
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.4;
  margin-bottom: 8px;
}
.blog-feature-card .blog-date {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* Standard Blog Card */
.blog-card {
  background: #FFFFFF;
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
  display: block;
}
.blog-card:hover {
  transform: translateY(-6px);
}
.blog-card .card-image {
  height: 200px;
  overflow: hidden;
}
.blog-card .card-image img,
.blog-card .card-image .placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.blog-card:hover .card-image img,
.blog-card:hover .card-image .placeholder-img {
  transform: scale(1.06);
}
.blog-card .card-body {
  padding: 24px;
}
.blog-card .card-category {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.blog-card .card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: 12px;
}
.blog-card .card-date {
  font-size: 12px;
  color: var(--color-text-light);
}

/* ===================================================================
   PHASE 5: BLOG DETAIL PAGE (blog-detail.html)
   =================================================================== */

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 24px 0;
  background: var(--color-bg-light);
}
.breadcrumb-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-light);
  flex-wrap: wrap;
}
.breadcrumb-inner a {
  color: var(--color-text-light);
  transition: color 0.28s var(--ease);
}
.breadcrumb-inner a:hover {
  color: var(--color-accent);
}
.breadcrumb-separator {
  color: var(--color-border);
}

/* --- Article Container --- */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 100px var(--container-padding) 80px;
}
.article-category {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.article-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 36px);
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 16px;
}
.article-date {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
}
.article-eyecatch {
  width: 100%;
  border-radius: 0;
  overflow: hidden;
  margin-bottom: 48px;
}
.article-eyecatch img,
.article-eyecatch .placeholder-img {
  width: 100%;
  height: auto;
  min-height: 300px;
  display: block;
}

/* --- Article Body --- */
.article-body {
  font-size: 16px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}
.article-body h2 {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--color-primary);
  margin-top: 48px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 36px;
  margin-bottom: 16px;
}
.article-body p {
  margin-bottom: 20px;
}
.article-body img,
.article-body .placeholder-img {
  width: 100%;
  border-radius: 0;
  margin: 24px 0;
}
.article-body .placeholder-img {
  min-height: 300px;
}
.article-body blockquote {
  border-left: 1px solid var(--color-accent);
  padding: 20px 24px;
  margin: 24px 0;
  background: var(--color-bg-medium);
  border-radius: 0;
  font-style: italic;
  color: var(--color-text-secondary);
}
.article-body ul {
  margin: 16px 0;
  padding-left: 24px;
  list-style: disc;
}
.article-body ul li {
  margin-bottom: 8px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* --- Related Articles --- */
.related-section {
  padding: var(--sp-md) 0 120px;
  background: var(--color-bg-medium);
}
.related-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===================================================================
   PHASE 5: CONTACT PAGE (contact.html)
   =================================================================== */

/* --- Contact Methods --- */
.contact-methods {
  padding: var(--sp-md) 0;
  background: var(--color-bg-light);
}
.methods-grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.method-card {
  background: #FFFFFF;
  border-radius: 0;
  padding: 40px 28px;
  text-align: center;
  transition: color 0.4s var(--ease), background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.method-card:hover {
  transform: translateY(-6px);
}
.method-icon {
  font-size: 36px;
  margin-bottom: 16px;
  line-height: 1;
}
.method-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--color-primary);
}
.method-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.method-info {
  font-size: 15px;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  font-weight: 700;
}
.method-info.phone-number {
  font-family: var(--font-num);
  font-size: 24px;
  color: var(--color-primary);
}
.method-hours {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 20px;
}
.method-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: color var(--hover), background-color var(--hover), border-color var(--hover), opacity var(--hover);
}
.method-btn:hover {
  transform: translateY(-2px);
}
.method-btn-phone {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.method-btn-phone:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}
.method-btn-line {
  background: var(--color-line);
  color: #FFFFFF;
}
.method-btn-line:hover {
}
.method-btn-form {
  background: var(--color-secondary);
  color: #FFFFFF;
}
.method-btn-form:hover {
}

/* --- Contact Form Section --- */
.contact-form-section {
  padding: 0 0 120px;
  background: var(--color-bg-light);
}
.form-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px;
  background: #FFFFFF;
  border-radius: 0;
}
.form-group {
  margin-bottom: 28px;
}
.form-label {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.form-label .required {
  font-size: 11px;
  color: var(--color-error);
  margin-left: 6px;
  font-weight: 700;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--color-border);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-primary);
  transition: border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
  outline: none;
  background: #FFFFFF;
  -webkit-appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
}
.form-textarea {
  min-height: 160px;
  resize: vertical;
}
.form-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 4px;
}
.form-checkbox-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--color-text-primary);
  cursor: pointer;
}
.form-checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-secondary);
  cursor: pointer;
}
.form-privacy-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  margin-bottom: 12px;
}
.form-privacy-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-secondary);
  cursor: pointer;
  flex-shrink: 0;
}
.form-privacy-check label {
  font-size: 14px;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.form-privacy-check label a {
  color: var(--color-accent);
  text-decoration: underline;
}
.form-submit {
  text-align: center;
  margin-top: 36px;
}
.form-submit .btn-accent {
  min-width: 280px;
  font-size: 17px;
  padding: 18px 48px;
}
.form-note {
  max-width: 720px;
  margin: 32px auto 0;
  padding: 0 var(--container-padding);
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* Form Validation */
.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--color-error);
}
.form-error {
  display: block;
  font-size: 13px;
  color: var(--color-error);
  margin-top: 6px;
}
.form-privacy-check.has-error .form-error {
  margin-top: 8px;
}
.form-success {
  text-align: center;
  padding: 60px 20px;
}
.form-success .success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: #fff;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.form-success h3 {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.form-success p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===================================================================
   PHASE 5: PRIVACY POLICY PAGE (privacy.html)
   =================================================================== */
.privacy-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 120px var(--container-padding) 80px;
}
.privacy-title {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 16px;
}
.privacy-date {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 60px;
}
.privacy-body h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 16px;
}
.privacy-body p {
  font-size: 15px;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}
.privacy-body ul {
  margin: 8px 0 16px;
  padding-left: 24px;
}
.privacy-body ul li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  list-style: disc;
  margin-bottom: 4px;
}

/* ===================================================================
   PHASE 5: 404 PAGE (404.html)
   =================================================================== */
.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-light);
  text-align: center;
  padding: var(--container-padding);
}
.error-content {
  max-width: 500px;
}
.error-number {
  font-family: var(--font-num);
  font-size: clamp(80px, 15vw, 120px);
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 16px;
  animation: pulse-404 3s ease-in-out infinite;
}
@keyframes pulse-404 {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.22; transform: scale(1.02); }
}
.error-illustration {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
}
.error-illustration .placeholder-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.error-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  color: var(--color-primary);
  margin-bottom: 16px;
}
.error-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}
.error-home-link {
  display: inline-flex;
}

/* ===================================================================
   PHASE 5: RESPONSIVE (767px)
   =================================================================== */
@media (max-width: 1024px) {
  .staff-grid { grid-template-columns: repeat(2, 1fr); }
  .methods-grid { grid-template-columns: repeat(3, 1fr); }
  .related-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  /* Company - Greeting */
  .greeting-section { padding: var(--sp-md) 0; }
  .greeting-inner { grid-template-columns: 1fr; gap: 40px; }
  .greeting-photo { max-width: 300px; margin: 0 auto; }
  .greeting-photo img,
  .greeting-photo .placeholder-img { min-height: 350px; }

  /* Company - Staff */
  .staff-section { padding: var(--sp-md) 0; }
  .staff-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .staff-card { padding: 28px 16px; }
  .staff-photo { width: 96px; height: 96px; }

  /* Company - Info */
  .company-section { padding: var(--sp-md) 0; }
  .company-inner { grid-template-columns: 1fr; gap: 40px; }
  .company-map { height: 300px; }

  /* Blog List */
  .blog-grid { grid-template-columns: 1fr; padding-top: 32px; padding-bottom: 80px; }
  .blog-feature-card { height: 260px; }
  .blog-feature-card .blog-overlay { padding: 24px; }
  .blog-feature-card .blog-title { font-size: 20px; }

  /* Blog Detail */
  .article-container { padding: 60px var(--container-padding) 60px; }
  .related-section { padding: var(--sp-sm) 0 80px; }
  .related-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }

  /* Contact */
  .contact-methods { padding: var(--sp-sm) 0; }
  .methods-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .contact-form-section { padding: 0 0 80px; }
  .form-container { padding: 32px 20px; margin: 0 var(--container-padding); }
  .form-submit .btn-accent { min-width: auto; width: 100%; }
  .form-checkbox-group { gap: 12px; }

  /* Privacy */
  .privacy-container { padding: 80px var(--container-padding) 60px; }
  .privacy-title { font-size: 26px; }

  /* 404 */
  .error-number { font-size: clamp(60px, 20vw, 80px); }
}

@media (max-width: 480px) {
  .staff-grid { grid-template-columns: 1fr; max-width: 300px; margin-left: auto; margin-right: auto; }
}

/* ===================================================================
   RESPONSIVE: 375px
   =================================================================== */
@media (max-width: 375px) {
  :root {
    --container-padding: 16px;
  }
  .hero .hero-content { padding-bottom: 120px; }
  .concept-text .section-main-title { font-size: 28px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card:nth-child(5) { grid-column: auto; }
  .cta-banner-inner .section-main-title { font-size: 28px; }
  .simulator-cta-inner .section-main-title { font-size: 26px; }
}

/* prefers-reduced-motion のガードは意図的に置かない。
   OS側でアニメOFFのレビュー環境でも演出が消えないようにするための方針（作業フロー書§1③の裁定）。 */

/* ===================================================================
   VOICE DIGEST — 評価の星（トップの声スライダー用）
   =================================================================== */
.voice-card .stars {
  display: flex;
  gap: 5px;
  margin-bottom: 4px;
}
.voice-card .stars .star {
  width: 15px;
  height: 15px;
  display: block;
  flex: none;
}
.voice-card .stars .star svg {
  width: 100%;
  height: 100%;
  fill: var(--color-accent);
  display: block;
}
.voice-card .reviewer {
  display: flex;
  align-items: center;
  gap: 16px;
}
.voice-card .reviewer-photo {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 50%;
  flex: none;
}
.voice-card .reviewer-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.voice-card .reviewer-name {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: var(--tracking-normal);
  color: var(--color-primary);
}
.voice-card .reviewer-detail {
  font-size: 12px;
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-light);
}

/* ===================================================================
   検収時の追補（Hallmark audit A群）
   ・数字を並べる箇所は tabular-nums で桁を揃える
   ・キーボード操作のフォーカスリングを全リンク／操作要素に通す
   =================================================================== */
.price-table,
.company-table,
.warranty-table,
.card-meta,
.flip-meta,
.numbers-item .item-num,
.footer-tel,
.blog-date,
.detail-spec,
table {
  font-variant-numeric: tabular-nums;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  /* フォーカスリングはアニメーションさせない（押した瞬間に見えることが要件） */
  transition: none;
}
.site-header .nav-link:focus-visible,
.hero .hero-link:focus-visible,
.footer-nav-col a:focus-visible {
  outline-color: #FFFFFF;
}

/* 画面の高さが足りない端末（iPhone SE 等）は、FVの要素を削って見出しとCTAを必ず残す */
@media (max-width: 767px) and (max-height: 740px) {
  .hero .hero-subtitle { display: none; }
  .hero .hero-title {
    margin-bottom: 18px;
    font-size: clamp(25px, 7.4vw, 33px);
  }
  .hero .hero-brand { margin-bottom: 14px; }
  .hero .hero-buttons { gap: 14px; }
  .hero .hero-foot { height: 52px; }
}