/* 研究室サイト ── 端末フォントのみ・外部読み込みなし・ライトモードのみ
   色・幅・文字のスケールは crosshealthjp（docs/design.md・Base.astro :root）のトークンを移植。
   ページごとに色やサイズを決め直さない。変えたくなったらここを直す。 */

:root {
  /* 地と文字 */
  --paper:    #ffffff;   /* 地 */
  --surface:  #f4f6f3;   /* 面：カード・注記の下地（わずかに緑を含む） */
  --ink:      #1a1a1a;   /* 主役の文字 */
  --ink-2:    #4a4a4a;   /* 本文の次に強い文字 */
  --ink-soft: #6b6b6b;   /* 補助・メタ */
  --muted:    #6d7a71;   /* 注記・出典 */
  --line:     #ececec;   /* かすかな境界 */
  --line-2:   #f4f4f2;   /* さらに弱い境界 */

  /* 差し色は松葉色ひとつ */
  --pine:      #1e5a4f;
  --pine-deep: #143f37;  /* hover */
  --pine-soft: #eaf1ee;  /* 帯・淡い塗り */

  /* 幅 */
  --measure:      42rem; /* 本文の読みやすい行長 */
  --measure-wide: 58rem; /* トップ・一覧 */
  --space: clamp(1.5rem, 4vw, 3rem);

  /* 文字のスケール */
  --h1: clamp(1.9rem, 5.5vw, 3rem);
  --h1-sm: clamp(1.6rem, 4.5vw, 2.2rem);
  --h2: 1.4rem;
  --lead: 1.08rem;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", serif;
  --sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 1;
}

a { color: var(--pine); text-decoration: none; }
a:hover { color: var(--pine-deep); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--pine); outline-offset: 2px; border-radius: 2px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--paper); padding: 8px 14px; z-index: 10; }

/* ---------- header ---------- */

.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.header-inner {
  max-width: var(--measure-wide); margin: 0 auto; padding: 18px var(--space);
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; }
.brand:hover { text-decoration: none; color: inherit; }
.brand-name { font-family: var(--serif); font-size: 20px; font-weight: 600; letter-spacing: .06em; line-height: 1.3; }

nav.site-nav { margin-left: auto; display: flex; gap: 2px; flex-wrap: wrap; }
nav.site-nav a { font-size: 14px; padding: 5px 12px; border-radius: 3px; color: var(--ink-2); }
nav.site-nav a:hover { background: var(--pine-soft); color: var(--pine); text-decoration: none; }
nav.site-nav a[aria-current="page"] { color: var(--pine); font-weight: 700; background: var(--pine-soft); }

/* ---------- layout ---------- */

main { max-width: var(--measure-wide); margin: 0 auto; padding: 56px var(--space) 80px; }
.stack { display: flex; flex-direction: column; gap: 56px; }
.hero { display: flex; flex-direction: column; gap: 14px; }

.eyebrow { font-size: 12px; letter-spacing: .16em; color: var(--pine); font-weight: 700; }

h1 { font-family: var(--serif); font-size: var(--h1); font-weight: 600; line-height: 1.35; letter-spacing: .04em; margin: 0; text-wrap: balance; }
h1.sm { font-size: var(--h1-sm); }
h2 { font-family: var(--serif); font-size: var(--h2); font-weight: 600; letter-spacing: .05em; margin: 0; line-height: 1.5; }
h3 { font-family: var(--serif); font-weight: 600; margin: 0; line-height: 1.5; }

.hero p { margin: 0; max-width: var(--measure); color: var(--ink-2); font-size: var(--lead); }
p { margin: 0; max-width: var(--measure); }
.lede { color: var(--ink-2); max-width: var(--measure); }
.prose { display: flex; flex-direction: column; gap: 14px; max-width: var(--measure); }
.prose p { color: var(--ink-2); }
.sec { display: flex; flex-direction: column; gap: 18px; }
.sec-head { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.sec-head .more { margin-left: auto; font-size: 13.5px; }
hr.rule { border: 0; height: 1px; background: var(--line); margin: 0; }

/* ---------- cards ---------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 4px;
  padding: 22px; display: flex; flex-direction: column; gap: 10px;
}
.card h3 { font-size: 19px; }
.card p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.card .tag { font-size: 11.5px; letter-spacing: .12em; color: var(--muted); font-weight: 700; }
.card .go { margin-top: auto; font-size: 14px; font-weight: 700; }
a.card { color: inherit; }
a.card:hover { text-decoration: none; border-color: var(--pine); }
a.card:hover .go { text-decoration: underline; }
.card.is-preparing { background: var(--paper); border-style: dashed; }

.source { font-size: 12px; color: var(--muted); line-height: 1.75; border-top: 1px solid var(--line); padding-top: 10px; margin-top: 6px; }
.source b { color: var(--ink-2); font-weight: 700; }

/* 資材：疾患ごとの行 */
.mat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.mat { padding: 20px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.mat:first-child { border-top: 1px solid var(--line); }
.mat h3 { font-size: 20px; }
.mat .hook { font-size: 14.5px; color: var(--ink-2); }
.mat .files { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.mat .files .closed { font-size: 13px; color: var(--muted); }

/* ---------- lists ---------- */

.ep-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ep { display: grid; grid-template-columns: 62px 1fr auto; gap: 6px 18px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--line); }
.ep:first-child { border-top: 1px solid var(--line); }
.ep-no { font-family: var(--serif); font-size: 15px; color: var(--pine); letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.ep-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ep-title { font-size: 16px; font-weight: 700; line-height: 1.6; }
.ep-desc { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }
.ep-meta { font-size: 12.5px; color: var(--ink-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 600px) { .ep { grid-template-columns: 52px 1fr; } .ep-meta { grid-column: 2; } }

.news-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.news-item { display: grid; grid-template-columns: 110px 1fr; gap: 4px 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.news-item:first-child { border-top: 1px solid var(--line); }
.news-date { font-size: 13px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.news-title { font-weight: 700; font-size: 15.5px; line-height: 1.65; }
.news-body { font-size: 14px; color: var(--ink-2); line-height: 1.8; grid-column: 2; }
@media (max-width: 600px) { .news-item { grid-template-columns: 1fr; } .news-body { grid-column: 1; } }

/* ---------- people（鴨川デルタ） ---------- */

.people { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.person { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.portrait { width: 96px; height: 96px; border-radius: 50%; background: var(--line); display: grid; place-items: center; font-size: 11px; color: var(--ink-soft); text-align: center; line-height: 1.4; }
.person h3 { font-size: 21px; letter-spacing: .05em; }
.person .role { font-size: 13px; color: var(--pine); font-weight: 700; }
.person dl { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.person dt { font-size: 11px; letter-spacing: .14em; color: var(--muted); font-weight: 700; }
.person dd { margin: 0; font-size: 14px; line-height: 1.8; color: var(--ink-2); }

/* ---------- 研究室について ---------- */

.facts { margin: 0; display: grid; grid-template-columns: 9em 1fr; gap: 10px 18px; max-width: var(--measure); }
.facts dt { font-size: 12px; letter-spacing: .14em; color: var(--muted); font-weight: 700; padding-top: 4px; }
.facts dd { margin: 0; font-size: 15px; line-height: 1.8; color: var(--ink-2); }
@media (max-width: 600px) { .facts { grid-template-columns: 1fr; gap: 2px 0; } .facts dd { margin-bottom: 8px; } }

/* ---------- 部品 ---------- */

.note { background: var(--surface); border-left: 3px solid var(--pine); padding: 14px 18px; font-size: 14px; color: var(--ink-2); line-height: 1.8; max-width: var(--measure); border-radius: 0 4px 4px 0; }

.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--pine); border-radius: 3px; padding: 9px 18px; font-size: 14.5px; background: var(--pine); color: #fff; }
.btn:hover { background: var(--pine-deep); border-color: var(--pine-deep); color: #fff; text-decoration: none; }
.btn.ghost { background: var(--paper); color: var(--pine); }
.btn.ghost:hover { background: var(--pine-soft); color: var(--pine-deep); }
.btn .arr { opacity: .7; }
.btns { display: flex; flex-wrap: wrap; gap: 10px; }

/* 未確定の印：〈…〉や【要確認】はここに包む。公開前に grep で数える */
.ph {
  display: inline-block;
  background: repeating-linear-gradient(135deg, #f2efe4, #f2efe4 6px, #ede9db 6px, #ede9db 12px);
  border: 1px dashed #cfcec3; border-radius: 3px; padding: 1px 8px;
  color: #6e6a55; font-size: 13px; font-style: normal;
}

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: 40px; }
.footer-inner {
  max-width: var(--measure-wide); margin: 0 auto; padding: 34px var(--space) 44px;
  display: flex; flex-wrap: wrap; gap: 20px 44px; font-size: 13px; color: var(--ink-2);
}
.footer-inner nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-note { margin-left: auto; color: var(--ink-soft); font-size: 12px; text-align: right; line-height: 1.8; }

/* ---------- preview banner ---------- */

.preview-bar { background: #4a3f14; color: #fbf3d8; font-size: 13px; line-height: 1.7; padding: 10px var(--space); text-align: center; }
.preview-bar b { color: #fff6dd; }

/* 見出しの中の未確定の印は、見出しの大きさに合わせる */
h1 .ph { font-size: .62em; padding: 2px 14px; }
h3 .ph { font-size: .8em; }

/* ---------- 文書（情報公開文書など）：原文の構造をそのまま。幅は本文の行長 ---------- */
.doc { max-width: var(--measure); display: flex; flex-direction: column; gap: 14px; font-size: 15px; }
.doc p { color: var(--ink); max-width: none; }
.doc h2 { font-size: 1.15rem; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.doc .callout { background: var(--surface); border: 1px solid var(--pine); border-radius: 4px; padding: 14px 18px; }
.doc .callout p { margin: 0; }
.doc blockquote { margin: 0; padding: 4px 0 4px 16px; border-left: 3px solid var(--line); }
.doc blockquote p { margin: 0 0 6px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 10px; vertical-align: top; text-align: left; line-height: 1.7; }
.doc th { background: var(--surface); font-weight: 700; }
.doc table { table-layout: fixed; }
.doc thead th:first-child, .doc td:first-child { width: 7.5em; }
.doc .u { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 600px) { .doc th, .doc td { white-space: normal; display: block; border-top: 0; } .doc tr { display: block; border-top: 1px solid var(--line); } .doc thead th:first-child, .doc td:first-child { white-space: normal; background: var(--surface); } }

.portrait-photo { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; display: block; }
.paper-list { margin: 0; padding-left: 1.2em; max-width: var(--measure); font-size: 14px; color: var(--ink-2); display: flex; flex-direction: column; gap: 8px; line-height: 1.75; }
.paper-list i { font-style: italic; }

/* ---------- 資料室（旧サイトからの移植） ---------- */
.archive-note { background: var(--surface); border-left: 3px solid var(--muted); padding: 12px 18px; font-size: 13.5px; color: var(--ink-2); line-height: 1.8; max-width: var(--measure); border-radius: 0 4px 4px 0; }
.doc.archive { gap: 6px; }
.doc.archive p { margin: 0; }
.doc.archive h2 { font-size: 1.15rem; }
.doc.archive h3 { font-size: 1rem; margin-top: 12px; font-family: var(--sans); font-weight: 700; }
.doc.archive figure { margin: 8px 0; }
.doc.archive figure { max-width: 100%; }
.doc.archive figure img { max-width: 100%; max-height: 520px; width: auto; height: auto; display: block; border: 1px solid var(--line); border-radius: 3px; }
.doc.archive .gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin: 8px 0 14px; }
.doc.archive .gallery figure { margin: 0; }
.doc.archive .gallery figure img { max-height: none; width: 100%; }
.doc.archive p.meta { font-size: 12.5px; color: var(--ink-soft); font-variant-numeric: tabular-nums; margin-top: 8px; }
.doc.archive figcaption { font-size: 13px; color: var(--ink-2); line-height: 1.7; margin-top: 6px; }
.doc.archive ul, .doc.archive ol { margin: 0; padding-left: 1.4em; }
.doc.archive li { margin: 2px 0; }
.yt { position: relative; max-width: 640px; aspect-ratio: 16 / 9; margin: 10px 0; background: var(--surface); }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vid { padding: 14px 0; border-top: 1px solid var(--line); }
.vid-desc { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }
.archive-list { columns: 2; column-gap: 32px; padding-left: 1.2em; margin: 0; max-width: var(--measure-wide); }
.archive-list li { break-inside: avoid; margin: 3px 0; }
@media (max-width: 600px) { .archive-list { columns: 1; } }
.post-date { font-size: 13px; color: var(--ink-soft); }

/* 資料室の一覧：題＋一言 */
.archive-index { list-style: none; margin: 0; padding: 0; max-width: var(--measure-wide); }
.archive-index li { display: grid; grid-template-columns: minmax(12em, 18em) 1fr; gap: 4px 18px; padding: 9px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.archive-index li:first-child { border-top: 1px solid var(--line); }
.archive-index a { font-weight: 700; }
.archive-index .desc { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; }
@media (max-width: 600px) { .archive-index li { grid-template-columns: 1fr; } }