@charset "UTF-8";
/* 導入事例（一覧 cases.html・詳細 case-01〜03.html）専用（子CC-B）
   base.css のトークンだけを使う。新しい色・影・角丸・グラデーションは作らない */

/* ==========================================================================
   一覧
   ========================================================================== */
.case-lead { margin-bottom: 56px; }

/* ---- 絞り込み：.tabs の見た目のボタン（aria-pressed）＋件数 ---- */
.case-filter {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 24px;
  border-bottom: 1px solid var(--ink); margin-bottom: 48px;
}
.case-filter .tabs { border-bottom: 0; justify-content: flex-start; }
.case-filter .tab[aria-pressed="true"] { background: var(--gray-1); font-weight: 500; }
.case-filter__count { padding-bottom: 12px; font-size: 14px; font-weight: 400; color: var(--mute); white-space: nowrap; }
.case-filter__count b { font-family: var(--ff-serif); font-size: 26px; line-height: 1; font-weight: 300; color: var(--ink); margin-right: 3px; }

/* 題の語句を .nb でまとめているため、WebKit で最小幅が膨らまないよう 0 に固定（1列の SP で横あふれを防ぐ） */
.case-list > .card, .case-more .card { min-width: 0; }

/* 詳細ページのない事例（04〜06）の資料請求への誘導：矢印を最後の語と一緒に折り返す */
.case-list .card__link .link-arrow { display: inline; }
.case-list .card__link .arrow { display: inline-block; margin-left: 8px; vertical-align: 1px; }

/* kpi の「38%減」など、数字の後ろに添える小さな注記 */
.kpi__diff { font-size: 14px; font-weight: 400; color: var(--blue-ink); }

@media (max-width: 767px) {
  .case-lead { margin-bottom: 40px; text-align: left; }
  .case-lead .nb { white-space: normal; }
  .case-filter { flex-direction: column-reverse; align-items: stretch; margin-bottom: 36px; }
  .case-filter__count { padding-bottom: 0; text-align: right; }
  .case-filter .tab { padding-inline: 10px; }
}

/* ==========================================================================
   詳細
   ========================================================================== */
/* ---- 見出し：題が長いので 40px に落とす／説明は業種・規模｜領域｜期間 ---- */
.case-hero .page-hero__title { font-size: 40px; line-height: 1.4; }
.case-hero__meta { font-size: 15px; line-height: 1.75; font-weight: 400; color: rgba(255,255,255,.88); }
.case-hero__meta span { display: inline-block; }
.case-hero__meta span + span::before { content: "｜"; color: rgba(255,255,255,.5); }
.case-hero__meta .case-hero__period { display: block; font-style: italic; font-weight: 300; }
.case-hero__meta .case-hero__period::before { content: none; }
/* 題は語句ごとに改行しない塊（.nb）で組むため、文字欄の幅に最長の塊（12字）が収まる大きさへ段階的に下げる（50:50 の分割を保つ） */
@media (max-width: 1279px) { .case-hero .page-hero__title { font-size: 32px; } }
@media (max-width: 1023px) { .case-hero .page-hero__title { font-size: 30px; } }
@media (max-width: 899px)  { .case-hero .page-hero__title { font-size: 26px; } }
@media (max-width: 767px) {
  .case-hero .page-hero__title { font-size: 24px; line-height: 1.5; }
  .case-hero__meta { font-size: 13px; }
}

/* base.css の SP（≤767）では .sec の padding-block が .sec--flush-top を上書きするため、ここで上端 0 を保つ */
@media (max-width: 767px) { .case-flow { padding-top: 0; } }

/* ---- 概要：左＝小さな表／右＝Before→After の大きな数字 ---- */
.case-summary { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 64px; align-items: stretch; }
.case-spec th, .case-spec td { padding: 16px 0; font-size: 15px; line-height: 1.7; }
.case-spec th { width: 128px; padding-right: 16px; }
.case-spec td a { color: var(--blue-ink); text-decoration: underline; text-underline-offset: 3px; }
.case-spec td a:hover { text-decoration: none; }
.case-result { border-top: 1px solid var(--ink); padding-top: 28px; display: flex; flex-direction: column; }
.case-result__label { font-size: 15px; line-height: 1.6; font-weight: 500; color: var(--ink); }
.case-result__nums { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 18px; margin-top: 10px; }
.case-result__before { font-family: var(--ff-serif); font-weight: 300; font-size: 36px; line-height: 1.2; color: var(--mute); }
.case-result__before small, .case-result__nums .stat__num small { font-size: .5em; margin-left: 2px; }
.case-result__to { width: 22px; height: 16px; color: var(--blue); align-self: center; }
.case-result__nums .stat__num { line-height: 1; }
.case-result__diff { margin-top: 12px; font-size: 15px; font-weight: 400; color: var(--blue-ink); }
.case-result__summary { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.85; color: var(--text); }
.case-result__note { margin-top: auto; padding-top: 16px; }
@media (max-width: 1023px) {
  .case-summary { grid-template-columns: 1fr; gap: 40px; }
  .case-result { order: -1; }
  .case-result__note { margin-top: 0; }
}
@media (max-width: 767px) {
  .case-spec th, .case-spec td { padding: 0; font-size: 14px; }
  .case-spec th { width: auto; font-size: 13px; }
  .case-result { padding-top: 20px; }
  .case-result__summary { font-size: 14px; }
  .case-result__before { font-size: 28px; }
  .case-result__to { width: 18px; height: 13px; }
  .case-result__nums .stat__num { font-size: 56px; }
}

/* ---- 本文：PC＝左に追従する目次／右に本文 ---- */
.case-layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 0 96px; align-items: start; }
.case-toc { position: -webkit-sticky; position: sticky; top: calc(var(--header-h) + 24px); }
.case-toc__h { font-size: 14px; line-height: 1.5; font-weight: 500; letter-spacing: .075em; color: var(--ink); padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.case-toc__list a {
  position: relative; display: block; padding: 13px 0 13px 16px; border-bottom: 1px solid var(--line);
  font-size: 15px; line-height: 1.5; font-weight: 400; color: var(--text); transition: color .2s linear;
}
.case-toc__list a::before {
  content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 3px; background: var(--blue);
  transform: scaleY(0); transition: transform var(--dur) var(--ease);
}
.case-toc__list a:hover, .case-toc__list a.is-current { color: var(--blue-ink); }
.case-toc__list a.is-current::before { transform: none; }
.case-toc__back { margin-top: 28px; }
.case-body { max-width: 800px; }

@media (max-width: 1023px) {
  .case-layout { grid-template-columns: 1fr; }
  .case-toc { position: static; margin-bottom: 56px; }
  .case-toc__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 24px; }
  .case-toc__back { display: none; }
  .case-body { max-width: none; }
}
@media (max-width: 767px) {
  .case-toc { margin-bottom: 44px; }
  .case-toc__list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
  .case-toc__list a { padding: 11px 0 11px 12px; font-size: 14px; }
  .case-toc__list a::before { top: 10px; bottom: 10px; }
}

/* 本文の節（背景／課題／取り組み／成果／お客様の声／担当者より） */
.case-body > section + section { margin-top: 96px; }
.case-body section > * + * { margin-top: 1.4em; }
.case-body.prose h2 { margin-top: 0; }
.case-body section > h2 + * { margin-top: 28px; }
@media (max-width: 767px) {
  .case-body > section + section { margin-top: 64px; }
  .case-body section > h2 + * { margin-top: 20px; }
}

/* 課題：罫で区切る一覧（見出し＋説明） */
.prose .case-points { padding-left: 0; list-style: none; border-top: 1px solid var(--ink); }
.prose .case-points li { margin-top: 0; padding: 24px 0 26px; border-bottom: 1px solid var(--line); }
.case-points__h { display: block; font-size: 19px; line-height: 1.55; font-weight: 500; color: var(--ink); }
.case-points__text { display: block; margin-top: 8px; font-size: 16px; line-height: 1.85; }
@media (max-width: 767px) {
  .prose .case-points li { padding: 20px 0 22px; }
  .case-points__h { font-size: 17px; }
  .case-points__text { font-size: 15px; }
}

/* 取り組み：月ごとの小見出しを縦の1px罫でつなぐ */
.prose .case-steps { padding-left: 0; list-style: none; border-left: 1px solid var(--line); margin-left: 3px; }
.prose .case-step { position: relative; margin-top: 0; padding: 0 0 44px 36px; }
.prose .case-step:last-child { padding-bottom: 4px; }
.case-step::before { content: ""; position: absolute; left: -4px; top: 9px; width: 7px; height: 7px; background: var(--blue); }
.prose .case-step h3 { margin-top: 0; font-size: 22px; line-height: 1.5; }
.case-step__when { display: block; margin-bottom: 4px; font-size: 14px; line-height: 1.5; font-weight: 400; font-style: italic; color: var(--blue-ink); }
.prose .case-step p { margin-top: 12px; }
@media (max-width: 767px) {
  .prose .case-step { padding: 0 0 36px 24px; }
  .prose .case-step h3 { font-size: 18px; }
  .case-step__when { font-size: 13px; }
}

/* お客様の声：serif の引用（左に青い3px罫）＋役職名のみ */
.case-voice { border-left: 3px solid var(--blue); padding: 2px 0 2px 28px; }
.case-body section > .case-voice + .case-voice { margin-top: 44px; }
.case-voice blockquote p { font-family: var(--ff-serif); font-weight: 300; font-size: 22px; line-height: 1.8; color: var(--ink); }
.case-voice figcaption { margin-top: 14px; font-size: 14px; line-height: 1.5; font-weight: 400; color: var(--mute); }
@media (max-width: 767px) {
  .case-voice { padding-left: 20px; }
  .case-voice blockquote p { font-size: 18px; line-height: 1.8; }
}

/* 担当者より：横長の小カード（丸写真＋名前＋役職＋一言） */
.case-member {
  display: grid; grid-template-columns: 112px minmax(0, 1fr); grid-template-rows: auto 1fr;
  column-gap: 28px; row-gap: 12px; padding: 32px; background: var(--gray-2);
}
.case-body section > .case-member + .case-member { margin-top: 12px; }
.case-member__img { grid-row: 1 / span 2; width: 112px; height: 112px; border-radius: 50%; overflow: hidden; background: var(--gray-3); }
.case-member__img img { width: 100%; height: 100%; object-fit: cover; }
.case-member__name { font-family: var(--ff-serif); font-size: 22px; line-height: 1.35; font-weight: 500; letter-spacing: .08em; color: var(--ink); }
.case-member__role { display: block; margin-top: 4px; font-family: var(--ff-sans); font-size: 13px; line-height: 1.5; font-weight: 500; letter-spacing: 0; color: var(--ink); }
.case-member__text { font-size: 16px; line-height: 1.85; color: var(--text); }
@media (max-width: 767px) {
  .case-member { grid-template-columns: 72px minmax(0, 1fr); grid-template-rows: auto; column-gap: 16px; row-gap: 16px; padding: 24px 20px; }
  .case-member__img { grid-row: auto; width: 72px; height: 72px; }
  .case-member__head { align-self: center; }
  .case-member__name { font-size: 19px; }
  .case-member__text { grid-column: 1 / -1; font-size: 15px; }
}

/* ---- ほかの事例 ---- */
.case-more { border-top: 1px solid var(--ink); padding-top: 32px; }
.case-more__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
@media (max-width: 767px) { .case-more { padding-top: 24px; } .case-more__head { margin-bottom: 28px; } }