/* Case pages (tbb.html, shuri.html): sub-page treatment sharing the homepage system in hero.css.
   Paper ground, green ink, terracotta accent, serif headings with tracked kickers. */
body.case-page {
  --case-paper: #faf9f5;
  --case-ink: #283f37;
  --case-muted: #69766c;
  --case-soft: #8b9785;
  --case-rule: #bdc8ba;
  --case-accent: #b66644;
  background: var(--case-paper);
  color: var(--case-ink);
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  letter-spacing: .04em;
  line-height: 2;
}
body.case-page a { color: inherit; }
body.case-page :focus-visible { outline: 2px solid #a65332; outline-offset: 4px; }

/* Topline: brand, breadcrumb, contribute link — same parts as the homepage hero. */
body.case-page #wrap { padding: 0 5% 0; }
.case-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 35px 6% 26px 0;
}
.case-crumb {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--case-soft);
  font: 10px/1.8 Arial, sans-serif;
  letter-spacing: .19em;
  text-transform: uppercase;
}
.case-crumb a { text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px; }
.case-crumb a:hover { border-color: var(--case-accent); color: var(--case-accent); }
.case-crumb .case-crumb-sep { color: var(--case-accent); }
.case-crumb strong { font-weight: normal; color: var(--case-ink); }
.case-crumb strong span { font-family: 'Noto Sans JP', sans-serif; letter-spacing: .12em; text-transform: none; margin-left: 10px; }

/* KV: keep the video, frame it like the homepage scene. */
body.case-page .case-main { background: #1c2b26; }
.case-kv-caption {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 16px 0 0;
  color: var(--case-muted);
  font-size: 11px;
  letter-spacing: .11em;
}
.case-kv-caption small { font-size: 9px; letter-spacing: .09em; color: var(--case-soft); }
body.case-page .kv-eyebrow { font: 10px/1.8 Arial, sans-serif; letter-spacing: .19em; text-transform: uppercase; }
body.case-page .kv-eyebrow span { border: 0; padding: 0; margin-right: 18px; color: #e4b18e; }
body.case-page .kv-title { letter-spacing: .08em; }

/* Section frame */
.cs { padding: 130px 7.5% 0; }
.cs-inner { max-width: 1190px; margin: 0 auto; }
.cs-head { display: grid; grid-template-columns: 1fr minmax(300px, .8fr); column-gap: 11%; align-items: end; }
.cs-head .archive-kicker { grid-column: 1 / -1; margin-bottom: 30px; }
.cs-head .archive-kicker:last-child { margin-bottom: 0; }
.cs-head h2 {
  margin: 0;
  font-family: 'Yu Mincho', 'Hiragino Mincho ProN', 'Noto Serif JP', serif;
  font-size: clamp(34px, 3.8vw, 54px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: .06em;
  text-wrap: balance;
}
.cs-head h2 em { color: var(--case-accent); font-style: normal; }
.cs-note {
  margin: 0;
  padding: 0 0 10px 24px;
  border-left: 1px solid #bd785b;
  color: #4d6455;
  font-size: 13px;
  line-height: 2.2;
  letter-spacing: .1em;
}
.cs-body { margin-top: 64px; }

/* About: copy + facts */
.cs-about-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 9%; align-items: start; }
.cs-about-copy .archive-text { margin-top: 0; }
.cs-about-copy .archive-text + .archive-text { margin-top: 24px; }
.cs-facts {
  margin: 0;
  padding: 6px 0 0 24px;
  border-left: 1px solid var(--case-rule);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 28px;
  row-gap: 0;
}
.cs-facts > div { display: contents; }
.cs-facts dt, .cs-facts dd {
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid #d3dbd0;
  font-size: 12px;
  line-height: 1.9;
}
.cs-facts dt { color: var(--case-soft); font-size: 10px; letter-spacing: .18em; font-family: Arial, sans-serif; text-transform: uppercase; padding-top: 16px; white-space: nowrap; }
.cs-facts dd { letter-spacing: .06em; }
.cs-facts dd strong { font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif; font-weight: 500; font-size: 16px; letter-spacing: .1em; }

/* History timeline: recolour the existing timeline into the system. */
body.case-page .tbb-history { max-width: none; margin: 0; padding: 0; }
body.case-page .history-timeline { margin: 0; max-width: 860px; }
body.case-page .history-entry { grid-template-columns: 190px 1fr; border-color: #d3dbd0; padding: 24px 0; }
body.case-page .history-entry:first-child { border-top-color: var(--case-rule); }
body.case-page .history-year { color: var(--case-accent); font: 11px/1.8 Arial, sans-serif; letter-spacing: .12em; }
body.case-page .history-title { color: var(--case-ink); font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif; font-size: 18px; font-weight: 500; letter-spacing: .08em; margin-bottom: 8px; }
body.case-page .history-note { color: #55685c; font-size: 12px; line-height: 2.1; letter-spacing: .06em; }

/* Gallery */
body.case-page .photos { padding: 0; }
body.case-page .photo-story { max-width: none; }
body.case-page .photo-frame { background: #ece9e1; }
body.case-page .photo-frame::after { content: ''; position: absolute; inset: 0; border: 1px solid #2a3f3720; pointer-events: none; }
body.case-page .photo-frame { position: relative; }
body.case-page .photo-kind { color: var(--case-accent); font: 10px/1.8 Arial, sans-serif; letter-spacing: .19em; text-transform: uppercase; }
body.case-page .photo-title { color: var(--case-ink); font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif; font-size: 20px; font-weight: 500; letter-spacing: .08em; }
body.case-page .photo-desc, body.case-page .illust-lead, body.case-page .illust-caption { color: #55685c; letter-spacing: .06em; }
body.case-page .illust-block { max-width: none; border-top-color: var(--case-rule); }

/* GB banner: sits on the paper, no card shadow. */
body.case-page .tbg-banner { padding: 110px 7.5% 0; }
body.case-page .tbg-banner a { max-width: 1190px; }
body.case-page .tbg-banner img { border-radius: 0; box-shadow: none; border: 1px solid #2a3f3720; }

/* Archive (pamphlets) */
body.case-page .archive { padding: 0; text-align: left; }
body.case-page .archive-grid { justify-content: flex-start; gap: 40px; max-width: none; }
body.case-page .archive-thumb img { box-shadow: 8px 12px 30px #2a3f3726; }
body.case-page .archive-label { color: var(--case-ink); font-size: 12px; letter-spacing: .1em; }
body.case-page .archive-label::before { content: ''; display: block; width: 28px; height: 1px; margin: 0 0 10px; background: var(--case-accent); }

/* News */
body.case-page .news { padding: 0; }
body.case-page .news-list { max-width: 860px; margin: 0; }
body.case-page .news-item { border-color: #d3dbd0; padding: 18px 0; }
body.case-page .news-item:first-child { border-top-color: var(--case-rule); }
body.case-page .news-date { color: var(--case-soft); font: 10px/1.8 Arial, sans-serif; letter-spacing: .14em; min-width: 110px; }
body.case-page .news-title { font-size: 14px; letter-spacing: .06em; }
body.case-page .news-title a, body.case-page .news-link { color: var(--case-ink); }
body.case-page .news-title a:hover, body.case-page .news-link:hover { color: var(--case-accent); }

/* Next case: the homepage's dark-green case band, narrowed to one card. */
.case-next { margin-top: 150px; padding: 120px 7.5% 110px; }
.case-next .case-list { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; margin-top: 90px; max-width: 1190px; gap: 10%; }
.case-next .case-card { max-width: 420px; }
.case-next-copy { color: #c6d8cc; font-size: 12px; line-height: 2.2; letter-spacing: .08em; align-self: end; }
.case-next-copy p { margin: 0 0 22px; }
.case-next-copy .case-card-action { margin-top: 0; }
.case-next-copy .case-card-action + .case-card-action { margin-left: 32px; }

/* Header: keep the homepage burger treatment (defined in hero.css via .home) */
body.case-page .nav-fix-pos-pagetop a { background: var(--case-ink); }
body.case-page footer { background: var(--case-ink); color: #a8bdaf; }
body.case-page footer a { color: #a8bdaf !important; }

/* KV variant for cases without a video: copy on paper, portrait image at right. */
body.case-page .case-main--still {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 6%;
  align-items: center;
  padding: 40px 0 10px;
  background: none;
  overflow: visible;
}
.case-main--still::after { display: none; }
.case-main--still .kv-copy { position: static; color: var(--case-ink); text-shadow: none; }
.case-main--still .kv-eyebrow { color: var(--case-soft); }
.case-main--still .kv-eyebrow span { color: var(--case-accent); }
.case-main--still .kv-title { font-size: clamp(30px, 3.6vw, 58px); line-height: 1.32; }
.case-main--still .kv-lead { color: #526459; max-width: 520px; }
.case-main--still .kv-still {
  position: relative;
  justify-self: end;
  width: min(100%, 430px);
  aspect-ratio: 429 / 679;
  overflow: hidden;
  background: #ece9e1;
}
.case-main--still .kv-still img { display: block; width: 100%; height: 100%; object-fit: cover; }
.case-main--still .kv-still::after { content: ''; position: absolute; inset: 0; border: 1px solid #2a3f3720; pointer-events: none; }
.case-main--still .kv-still-label { position: absolute; left: 14px; bottom: 12px; color: #fff; font: 9px/1.7 Arial, sans-serif; letter-spacing: .2em; text-shadow: 0 1px 8px #0008; }

/* Link cards (note article, video) */
.cs-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.cs-link { display: block; text-decoration: none; color: inherit; }
.cs-link-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #ece9e1; }
.cs-link-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
.cs-link:hover .cs-link-media img { transform: scale(1.04); }
.cs-link-media::after { content: ''; position: absolute; inset: 0; border: 1px solid #2a3f3720; pointer-events: none; }
.cs-link-meta { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--case-rule); color: var(--case-soft); font: 9px Arial, sans-serif; letter-spacing: .17em; text-transform: uppercase; }
.cs-link-meta span:nth-child(2) { color: var(--case-accent); }
.cs-link-meta .case-arrow { font-size: 20px; color: var(--case-ink); }
.cs-link h3 { margin: 14px 0 0; font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif; font-size: clamp(18px, 1.8vw, 24px); font-weight: 500; line-height: 1.6; letter-spacing: .08em; color: var(--case-ink); }
.cs-link p { margin: 10px 0 0; color: #55685c; font-size: 12px; line-height: 2; letter-spacing: .06em; }
.cs-link .case-card-action { margin-top: 18px; color: var(--case-accent); border-bottom-color: #b6664466; }

@media (max-width: 1050px) {
  .cs-head { display: block; }
  .cs-note { margin-top: 26px; }
  .cs-about-grid { display: block; }
  .cs-facts { margin-top: 44px; }
  .case-main--still { grid-template-columns: 1fr; gap: 36px; }
  .case-main--still .kv-still { justify-self: start; width: min(100%, 360px); }
}
@media (max-width: 768px) {
  body.case-page #wrap { padding: 0 6%; }
  .case-topline { flex-wrap: wrap; gap: 12px 20px; padding: 24px 18% 20px 0; }
  .case-crumb { order: 3; width: 100%; font-size: 9px; gap: 9px; }
  .case-topline .hero-contribute { font-size: 9px; }
  .case-topline .hero-contribute span { margin-left: 8px; }
  .case-kv-caption { flex-direction: column; gap: 4px; font-size: 9px; }
  .cs { padding: 90px 8% 0; }
  .cs-head h2 { font-size: clamp(30px, 8.6vw, 40px); }
  .cs-body { margin-top: 44px; }
  .cs-facts { padding-left: 14px; column-gap: 16px; }
  body.case-page .history-entry { grid-template-columns: 1fr; padding: 18px 0; }
  body.case-page .tbg-banner { padding: 80px 8% 0; }
  body.case-page .archive-grid { gap: 28px; }
  .case-next { margin-top: 100px; padding: 90px 8% 90px; }
  .case-next .case-list { display: block; margin-top: 60px; }
  .case-next-copy { margin-top: 48px; }
  .case-next-copy .case-card-action + .case-card-action { margin-left: 0; display: flex; margin-top: 14px; }
  body.case-page .kv-eyebrow span { margin-right: 10px; }
  body.case-page .case-main--still { padding: 16px 0 0; }
  .case-main--still .kv-title { font-size: clamp(28px, 8vw, 36px); }
  .case-main--still .kv-lead { display: block; font-size: 11px; }
  .cs-links { grid-template-columns: 1fr; gap: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  body.case-page * { transition: none !important; }
}