/* =========================================================
   落合莞爾　國體史観研究会  公式サイト
   共通スタイルシート  style.css
   基調色: 紫（格式・高貴）／ 差し色: 金
   ========================================================= */

:root {
  /* --- カラーパレット（濃いめの紫を基調に） --- */
  --purple-900: #17052a;   /* 最深紫（背景・フッター） */
  --purple-800: #270b42;   /* 深紫 */
  --purple-700: #38105c;   /* 主紫（基調） */
  --purple-600: #461a70;   /* 標準紫 */
  --purple-500: #57267f;   /* 明紫 */
  --purple-300: #9468b8;   /* 淡紫 */
  --purple-100: #e4d6ef;   /* 極淡紫（面） */
  --purple-050: #f3edf9;   /* 背景紫 */

  --gold-600: #9e7c2e;
  --gold-500: #b8923a;     /* 金（差し色・罫線） */
  --gold-400: #d8b85f;     /* 明るい金 */
  --gold-300: #e0c87a;
  --gold-100: #f5ecd2;
  --purple-200: #cbb4dd;   /* 罫線用の淡紫 */

  --ink: #241a2e;          /* 本文色（やや紫みの墨） */
  --ink-soft: #5a5066;
  --paper: #ffffff;
  --paper-warm: #fbfaf7;

  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN",
           "Noto Serif JP", "Shippori Mincho", "MS PMincho", serif;
  --sans:  "Yu Gothic", "YuGothic", "Hiragino Sans",
           "Noto Sans JP", "Meiryo", sans-serif;

  --maxw: 1120px;
  --shadow-soft: 0 6px 28px rgba(42, 10, 61, 0.10);
  --shadow-card: 0 4px 18px rgba(42, 10, 61, 0.08);
}

/* --- リセット --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--serif);
  color: var(--ink);
  background: var(--paper-warm);
  line-height: 1.9;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--purple-700); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-600); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* =========================================================
   ヘッダー / ナビゲーション
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--purple-100);
  box-shadow: 0 1px 0 var(--gold-300);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 12px 24px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { height: 58px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text .b-main {
  font-weight: 700; font-size: 1.12rem; letter-spacing: .06em; color: var(--purple-800);
}
.brand-text .b-sub {
  font-family: var(--sans); font-size: .68rem; letter-spacing: .22em;
  color: var(--gold-600);
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-family: var(--sans); font-size: .92rem; letter-spacing: .04em;
  padding: 8px 14px; border-radius: 4px; color: var(--ink);
  position: relative;
}
.nav a:hover { background: var(--purple-050); color: var(--purple-700); }
.nav a.active { color: var(--purple-700); }
.nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
}
.nav .nav-cta {
  background: var(--purple-700); color: #fff; padding: 9px 18px; border-radius: 4px;
  margin-left: 8px; box-shadow: var(--shadow-card);
}
.nav .nav-cta:hover { background: var(--purple-800); color: #fff; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--purple-200, #cbb4dd);
  border-radius: 4px; padding: 8px 10px; cursor: pointer; font-size: 1.1rem;
  color: var(--purple-700);
}

/* =========================================================
   ヒーロー
   ========================================================= */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    /* 文字を読みやすくする暗幕（左ほど濃く、右の金雲は活かす） */
    linear-gradient(90deg, rgba(18,4,32,.90) 0%, rgba(18,4,32,.62) 40%, rgba(18,4,32,.22) 70%, rgba(18,4,32,.05) 100%),
    /* ヒーロー背景画像（未設置時は次の層が見える） */
    url("../images/hero-bg.jpg") left center / cover no-repeat,
    radial-gradient(1200px 500px at 80% -10%, rgba(216,184,95,.20), transparent 60%),
    linear-gradient(160deg, var(--purple-900) 0%, var(--purple-700) 55%, var(--purple-600) 100%);
}
.hero::before {
  content:""; position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,.025) 0 2px, transparent 2px 22px);
  pointer-events:none;
}
.hero-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 92px 24px 96px;
  position: relative; z-index: 1;
}
.hero .eyebrow {
  font-family: var(--sans); letter-spacing: .4em; font-size: .78rem;
  color: var(--gold-300); margin-bottom: 22px; padding-left: .4em;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.5; margin: 0 0 22px;
  font-weight: 700; letter-spacing: .04em;
}
.hero h1 .accent { color: var(--gold-300); }
.hero p.lead {
  font-size: clamp(1rem, 1.6vw, 1.18rem); max-width: 720px; color: #efe7f7;
  margin: 0 0 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: .96rem; letter-spacing: .04em;
  padding: 13px 28px; border-radius: 4px; border: 1px solid transparent; cursor: pointer;
  transition: all .2s;
}
.btn-gold {
  background: linear-gradient(180deg, var(--gold-400), var(--gold-500));
  color: #3a2c08; border-color: var(--gold-300); font-weight: 700;
  box-shadow: 0 6px 20px rgba(184,146,58,.35);
}
.btn-gold:hover { transform: translateY(-2px); color: #3a2c08; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.10); color:#fff; }
.btn-purple { background: var(--purple-700); color:#fff; }
.btn-purple:hover { background: var(--purple-800); color:#fff; transform: translateY(-2px); }

/* 装飾の金罫 */
.gold-rule {
  height: 3px; width: 84px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  border-radius: 2px; margin: 0 0 26px;
}
.center .gold-rule { margin-left: auto; margin-right: auto; }

/* =========================================================
   セクション共通
   ========================================================= */
.section { padding: 84px 0; }
.section.alt { background: var(--purple-050); }
.section.deep {
  background:
    linear-gradient(160deg, var(--purple-900), var(--purple-700));
  color: #fff;
}
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head .kicker {
  font-family: var(--sans); letter-spacing: .34em; font-size: .74rem;
  color: var(--gold-600); margin-bottom: 14px;
}
.section.deep .section-head .kicker { color: var(--gold-300); }
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 6px; font-weight: 700;
  letter-spacing: .05em; color: var(--purple-800);
}
.section.deep .section-head h2 { color: #fff; }
.section-head p { color: var(--ink-soft); margin: 10px 0 0; }
.section.deep .section-head p { color: #e6dcf2; }

/* グリッド */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* カード */
.card {
  background: var(--paper); border: 1px solid var(--purple-100);
  border-radius: 8px; padding: 30px 28px; box-shadow: var(--shadow-card);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.card .card-no {
  font-family: var(--sans); font-size: .72rem; letter-spacing: .2em;
  color: var(--gold-600); margin-bottom: 12px;
}
.card h3 {
  font-size: 1.18rem; margin: 0 0 12px; color: var(--purple-800); letter-spacing:.04em;
}
.card p { margin: 0; color: var(--ink-soft); font-size: .96rem; }
.card .card-icon {
  width: 46px; height: 46px; border-radius: 50%; margin-bottom: 18px;
  display:flex; align-items:center; justify-content:center;
  background: var(--purple-050); color: var(--purple-700); font-size: 1.3rem;
  border: 1px solid var(--purple-100);
}

/* 引用・強調パネル */
.panel {
  background: var(--paper); border-left: 4px solid var(--gold-500);
  padding: 28px 32px; border-radius: 4px; box-shadow: var(--shadow-card);
}
.quote {
  font-size: 1.25rem; line-height: 2; color: var(--purple-800);
  position: relative; padding-left: 8px;
}

/* プロフィール表 */
.profile-table { width: 100%; border-collapse: collapse; }
.profile-table th, .profile-table td {
  text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--purple-100);
  vertical-align: top;
}
.profile-table th {
  width: 30%; color: var(--purple-700); font-weight: 700; white-space: nowrap;
  font-family: var(--sans); font-size: .92rem; letter-spacing: .05em;
}
.profile-table td { color: var(--ink); }

/* 書籍カード */
.book {
  display: flex; flex-direction: column; background: var(--paper);
  border: 1px solid var(--purple-100); border-radius: 8px; overflow: hidden;
  box-shadow: var(--shadow-card); transition: transform .2s, box-shadow .2s;
}
.book:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.book .book-cover {
  aspect-ratio: 3/4;
  background: linear-gradient(155deg, var(--purple-700), var(--purple-900));
  color:#fff; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding: 22px; position: relative;
}
.book .book-cover::after{
  content:""; position:absolute; inset:10px; border:1px solid rgba(216,184,95,.5);
  border-radius:4px; pointer-events:none;
}
.book .book-cover .bc-series {
  font-family: var(--sans); font-size:.66rem; letter-spacing:.28em; color: var(--gold-300);
  margin-bottom:14px;
}
.book .book-cover .bc-title { font-size: 1.15rem; line-height:1.6; letter-spacing:.04em; }
.book .book-cover .bc-vol {
  margin-top:16px; font-family:var(--sans); font-size:.74rem; letter-spacing:.2em;
  color:#e8dcf5; border-top:1px solid rgba(255,255,255,.25); padding-top:12px;
}
.book .book-body { padding: 20px 20px 22px; display:flex; flex-direction:column; gap:12px; flex:1; }
.book .book-body p { margin:0; font-size:.9rem; color: var(--ink-soft); flex:1; }
.book .book-body .book-link {
  font-family: var(--sans); font-size:.86rem; font-weight:700; color: var(--purple-700);
  display:inline-flex; align-items:center; gap:6px;
}

/* 肖像枠（ご本人近影） */
.portrait-frame {
  background: linear-gradient(160deg, var(--purple-700), var(--purple-900));
  padding: 14px; border-radius: 10px; box-shadow: var(--shadow-soft);
  border: 1px solid rgba(216,184,95,.45);
}
.portrait-frame .portrait-img {
  aspect-ratio: 3/4; border-radius: 6px; overflow: hidden;
  background: #efe8f5; position: relative;
  border: 1px solid rgba(216,184,95,.5);
}
.portrait-frame .portrait-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.portrait-frame .portrait-placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px; text-align: center;
  color: var(--purple-700);
  background:
    radial-gradient(420px 240px at 50% 20%, rgba(216,184,95,.12), transparent 60%),
    #f3edf9;
}
.portrait-frame .portrait-placeholder .pp-crest {
  width: 70px; height: 70px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: 2rem; color: #fff;
  background: linear-gradient(160deg, var(--purple-600), var(--purple-800));
  border: 2px solid var(--gold-400);
}
.portrait-frame .portrait-placeholder .pp-text {
  font-family: var(--sans); font-size: .82rem; letter-spacing: .12em; color: var(--purple-700);
}
.portrait-frame .portrait-cap {
  color: var(--gold-300); text-align: center; font-family: var(--sans);
  letter-spacing: .12em; font-size: .82rem; padding: 12px 4px 4px;
}

/* 書籍フィーチャー行（書影＋500字紹介） */
.book-feature {
  display: grid; grid-template-columns: 210px 1fr; gap: 30px;
  background: var(--paper); border: 1px solid var(--purple-100);
  border-radius: 10px; box-shadow: var(--shadow-card); padding: 28px;
  align-items: start; margin-bottom: 26px; transition: box-shadow .2s, transform .2s;
}
.book-feature:hover { box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.book-feature .bf-cover { position: relative; }
.book-feature .bf-cover img {
  width: 100%; border-radius: 6px; border: 1px solid var(--purple-100);
  box-shadow: 0 8px 22px rgba(23,5,42,.28);
}
.book-feature .bf-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 6px; }
.bf-vol {
  font-family: var(--sans); font-size: .72rem; letter-spacing: .16em; color: #fff;
  background: var(--purple-700); padding: 4px 11px; border-radius: 4px;
}
.bf-price { font-family: var(--sans); font-weight: 700; color: var(--gold-600); letter-spacing: .04em; }
.bf-sold {
  font-family: var(--sans); font-size: .72rem; letter-spacing: .08em; color: #9a3b3b;
  border: 1px solid #d9a3a3; background: #fbeef0; padding: 3px 10px; border-radius: 4px;
}
.book-feature h3 { margin: .15em 0 .55em; color: var(--purple-800); font-size: 1.22rem; line-height: 1.6; letter-spacing: .02em; }
.book-feature p.bf-desc { font-size: .94rem; color: var(--ink); line-height: 1.95; margin: 0 0 18px; }
.book-feature .bf-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

@media (max-width: 760px) {
  .book-feature { grid-template-columns: 1fr; gap: 20px; padding: 22px; }
  .book-feature .bf-cover { max-width: 220px; margin: 0 auto; }
}

/* ブログ記事カード */
.post-card {
  display:flex; flex-direction:column; background:var(--paper);
  border:1px solid var(--purple-100); border-radius:8px; overflow:hidden;
  box-shadow: var(--shadow-card); transition: transform .2s, box-shadow .2s;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.post-card .post-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--purple-600), var(--purple-800));
  display:flex; align-items:center; justify-content:center; color: var(--gold-300);
  font-size:1.8rem; letter-spacing:.2em; font-family:var(--sans); overflow:hidden;
}
.post-card .post-thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.post-card h3 { display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
/* note 紹介コーナー見出しの装飾 */
.note-pill {
  display:inline-flex; align-items:center; gap:8px; font-family:var(--sans);
  font-size:.74rem; letter-spacing:.14em; color:var(--purple-700);
  background:var(--purple-050); border:1px solid var(--purple-100);
  padding:5px 14px; border-radius:30px;
}
.post-card .post-body { padding: 22px 24px 26px; display:flex; flex-direction:column; gap:10px; }
.post-meta { font-family: var(--sans); font-size:.76rem; letter-spacing:.08em; color: var(--gold-600); }
.post-card h3 { margin:0; font-size:1.12rem; color: var(--purple-800); line-height:1.6; }
.post-card p { margin:0; font-size:.92rem; color: var(--ink-soft); }
.tag {
  display:inline-block; font-family:var(--sans); font-size:.72rem; letter-spacing:.06em;
  background:var(--purple-050); color: var(--purple-700); padding:3px 10px; border-radius:20px;
  border:1px solid var(--purple-100);
}

/* 記事本文（単一記事ページ） */
.article { background: var(--paper); border:1px solid var(--purple-100);
  border-radius:8px; padding: 48px clamp(24px,5vw,64px); box-shadow: var(--shadow-card); }
.article h1 { font-size: clamp(1.6rem,3vw,2.1rem); color: var(--purple-800); line-height:1.6; margin:.2em 0 .4em; }
.article h2 { font-size:1.4rem; color: var(--purple-700); margin:2em 0 .6em;
  padding-bottom:.3em; border-bottom:2px solid var(--purple-100); letter-spacing:.04em; }
.article h3 { font-size:1.15rem; color: var(--purple-800); margin:1.6em 0 .5em; }
.article p { margin: 0 0 1.3em; }
.article blockquote {
  margin: 1.4em 0; padding: 16px 24px; background: var(--purple-050);
  border-left: 4px solid var(--gold-500); color: var(--purple-800); border-radius:4px;
}
.article ul, .article ol { margin: 0 0 1.3em; padding-left: 1.4em; }
.article li { margin: .4em 0; }

/* CTA 帯 */
.cta-band {
  background:
    radial-gradient(800px 300px at 20% 0%, rgba(216,184,95,.18), transparent 60%),
    linear-gradient(135deg, var(--purple-800), var(--purple-600));
  color:#fff; text-align:center; padding: 70px 24px; border-radius: 12px;
  box-shadow: var(--shadow-soft);
}
.cta-band h2 { margin:0 0 14px; font-size: clamp(1.5rem,3vw,2rem); letter-spacing:.05em; }
.cta-band p { margin:0 auto 28px; max-width:620px; color:#efe7f7; }

/* パンくず */
.breadcrumb { font-family: var(--sans); font-size:.8rem; color: var(--ink-soft);
  padding: 20px 0 0; letter-spacing:.04em; }
.breadcrumb a { color: var(--purple-700); }
.breadcrumb span { color: var(--gold-600); margin: 0 8px; }

/* ページ見出し（下層ページ） */
.page-banner {
  background:
    radial-gradient(900px 360px at 85% -20%, rgba(216,184,95,.18), transparent 60%),
    linear-gradient(150deg, var(--purple-900), var(--purple-700));
  color:#fff; padding: 64px 0 58px;
}
.page-banner .kicker {
  font-family: var(--sans); letter-spacing:.34em; font-size:.74rem; color: var(--gold-300);
  margin-bottom:14px;
}
.page-banner h1 { margin:0; font-size: clamp(1.8rem,3.6vw,2.6rem); letter-spacing:.06em; }
.page-banner p { margin:14px 0 0; color:#e9dff5; max-width:680px; }

/* =========================================================
   フッター
   ========================================================= */
.site-footer {
  background: linear-gradient(180deg, var(--purple-900), #1d0729);
  color: #d9cce6; padding: 60px 0 28px; font-size:.92rem;
}
.footer-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 {
  font-family: var(--sans); font-size:.84rem; letter-spacing:.18em; color: var(--gold-300);
  margin:0 0 16px;
}
.site-footer a { color:#e7daf3; }
.site-footer a:hover { color: var(--gold-300); }
.footer-links { list-style:none; margin:0; padding:0; }
.footer-links li { margin: 8px 0; }
.footer-brand { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.footer-brand img { height:46px; background:#fff; border-radius:6px; padding:4px; }
.footer-brand .fb-name { font-weight:700; color:#fff; letter-spacing:.06em; }
.footer-bottom {
  margin-top: 44px; padding-top: 22px; border-top:1px solid rgba(255,255,255,.12);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-family: var(--sans); font-size:.78rem; color:#b9a8cc; letter-spacing:.04em;
}

/* ユーティリティ */
.text-center { text-align:center; }
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.lead-text{ font-size:1.08rem; color:var(--ink-soft); }
.disclaimer{
  font-family:var(--sans); font-size:.8rem; color:var(--ink-soft);
  background:var(--purple-050); border:1px dashed var(--purple-300);
  padding:16px 20px; border-radius:6px; line-height:1.8;
}

/* リビール（軽いフェード） */
.reveal { opacity:0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity:1; transform:none; }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { position: fixed; inset: 64px 0 auto 0;
    flex-direction: column; align-items: stretch; gap:0;
    background:#fff; border-bottom:1px solid var(--purple-100);
    box-shadow: var(--shadow-soft); padding: 8px 16px 16px;
    transform: translateY(-130%); transition: transform .28s ease; }
  .nav.open { transform: none; }
  .nav a { padding: 13px 8px; border-bottom:1px solid var(--purple-050); border-radius:0; }
  .nav .nav-cta { margin:10px 0 0; text-align:center; }
  .nav-toggle { display:inline-flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .profile-table th { width: 38%; }
  .hero-inner { padding: 64px 24px 70px; }
  .section { padding: 60px 0; }
}

/* =========================================================
   用語解説（アコーディオン）
   ========================================================= */
.toc-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px 16px; }
.toc-link {
  font-family:var(--sans); font-size:.9rem; color:var(--purple-700);
  padding:5px 2px; border-bottom:1px solid transparent; display:flex; align-items:center; gap:6px;
}
.toc-link::before{ content:"\2756"; color:var(--gold-500); font-size:.66rem; }
.toc-link:hover{ color:var(--gold-600); border-bottom-color:var(--gold-300); }

.term {
  background:var(--paper); border:1px solid var(--gold-line-soft);
  border-top:2px solid var(--gold-400); border-radius:8px;
  margin-bottom:14px; box-shadow:var(--shadow-card); overflow:hidden;
}
.term > summary {
  cursor:pointer; list-style:none; padding:18px 24px;
  font-family:var(--serif); font-size:1.14rem; font-weight:700; color:var(--purple-800);
  display:flex; align-items:center; gap:12px; letter-spacing:.03em;
}
.term > summary::-webkit-details-marker{ display:none; }
.term > summary::before{ content:"\2756"; color:var(--gold-500); font-size:.82rem; }
.term > summary::after{ content:"\FF0B"; margin-left:auto; color:var(--gold-600); font-family:var(--sans); font-weight:400; }
.term[open] > summary::after{ content:"\FF0D"; }
.term[open] > summary{ background:var(--purple-050); border-bottom:1px solid var(--purple-100); }
.term-body{ padding:20px 26px 26px; }
.term-body p{ margin:0 0 1em; line-height:1.95; }
.term-body h4{ color:var(--purple-700); margin:1.4em 0 .5em; font-size:1.04rem; letter-spacing:.03em;
  padding-bottom:.25em; border-bottom:1px solid var(--purple-100); }
.term-body ul{ margin:0 0 1.1em; padding-left:1.3em; }
.term-body li{ margin:.38em 0; }
.term-body .term-note{
  color:var(--ink-soft); font-size:.9rem; background:var(--purple-050);
  border-left:3px solid var(--gold-400); padding:9px 14px; border-radius:4px; margin:0 0 1em;
}
@media (max-width:760px){ .toc-grid{ grid-template-columns:repeat(2,1fr); } }

/* 語り手（落合先生）紹介ブロック */
.presenter {
  display:flex; gap:22px; align-items:center; background:var(--paper);
  border:1px solid var(--gold-line-soft); border-top:3px solid var(--gold-400);
  border-radius:12px; padding:22px 24px; box-shadow:var(--shadow-card); margin-bottom:30px;
}
.presenter-photo {
  flex:none; width:110px; height:110px; border-radius:50%; overflow:hidden;
  background:#fff; border:3px solid var(--gold-400); box-shadow:var(--shadow-card);
}
.presenter-photo img{ width:100%; height:100%; object-fit:cover; object-position:center 20%; display:block; }
.presenter-balloon{ position:relative; background:var(--purple-050); border:1px solid var(--purple-100);
  border-left:3px solid var(--gold-400); border-radius:10px; padding:16px 20px; flex:1; }
.presenter-balloon::before{ content:""; position:absolute; left:-9px; top:26px; width:0;height:0;
  border:7px solid transparent; border-right-color:var(--purple-050); }
.presenter-name{ font-family:var(--sans); font-size:.84rem; letter-spacing:.1em; color:var(--gold-600); margin:0 0 6px; }
.presenter-balloon p:last-child{ margin:0; color:var(--purple-800); }

/* 吹き出し（本文中の語り） */
.chat{ display:flex; gap:14px; align-items:flex-start; margin:1.5em 0; }
.chat-icon{ flex:none; width:62px; height:62px; border-radius:50%; overflow:hidden;
  background:#fff; border:2px solid #fff; box-shadow:0 2px 8px rgba(42,10,61,.16), 0 0 0 1px #e6e0ef; }
.chat-icon img{ width:100%; height:100%; object-fit:cover; object-position:center 20%; display:block; }
.chat-balloon{ position:relative; background:#eef0f2; border:1px solid #e3e5e9;
  border-radius:14px; padding:13px 18px; }
.chat-balloon::before{ content:""; position:absolute; left:-9px; top:18px; width:0;height:0;
  border:6px solid transparent; border-right-color:#eef0f2; }
.chat-balloon p{ margin:0; color:#c4621a; font-weight:700; letter-spacing:.02em; }

@media (max-width:760px){
  .presenter{ flex-direction:column; text-align:center; gap:16px; }
  .presenter-balloon::before{ display:none; }
}

/* =========================================================
   金装飾の強化 ―― 皇室に連なる厳かさ・豪奢さ
   （金の縁取り・額装を全体に付与）
   ========================================================= */
:root { --gold-line: rgba(184,146,58,.45); --gold-line-soft: rgba(184,146,58,.28); }

/* 画面最上部の金線 */
.site-header::before {
  content:""; display:block; height:3px;
  background: linear-gradient(90deg, var(--gold-600), var(--gold-300) 50%, var(--gold-600));
}
.site-header { box-shadow: 0 1px 0 var(--gold-400); }

/* ヒーロー内に金の額縁 */
.hero::after {
  content:""; position:absolute; inset:20px; z-index:1; pointer-events:none;
  border:1px solid var(--gold-line);
  box-shadow: inset 0 0 0 4px rgba(23,5,42,.18), inset 0 0 0 5px rgba(216,184,95,.22);
  border-radius:4px;
}

/* 下層ページ見出し帯に金の額縁 */
.page-banner { position:relative; }
.page-banner::after {
  content:""; position:absolute; inset:14px; pointer-events:none;
  border:1px solid var(--gold-line); border-radius:3px;
}

/* セクション見出しの金オーナメント（菱＋唐草） */
.gold-rule {
  height:24px; width:196px;
  background: url("../images/ornament.svg") center / contain no-repeat;
  box-shadow:none;
}
.gold-rule::after { content:none; }

/* 各カードに金の天罫＋金縁 */
.card, .book, .post-card {
  border:1px solid var(--gold-line-soft);
  border-top:2px solid var(--gold-400);
}
.book-feature {
  border:1px solid var(--gold-line-soft);
  border-top:3px solid var(--gold-400);
}
.book-feature .bf-cover img { border-color: var(--gold-line); }

/* 引用・情報パネルを金で囲う（左の金帯は維持） */
.panel {
  border:1px solid var(--gold-line-soft);
  border-left:4px solid var(--gold-500);
}

/* 記事本文カードに金の天罫 */
.article { border:1px solid var(--gold-line-soft); border-top:3px solid var(--gold-400); }

/* 深紫セクションの上下に金のヘアライン */
.section.deep {
  border-top:1px solid var(--gold-line);
  border-bottom:1px solid var(--gold-line);
}

/* CTA帯を金で二重額装 */
.cta-band { position:relative; border:1px solid var(--gold-line); }
.cta-band::after {
  content:""; position:absolute; inset:9px; pointer-events:none;
  border:1px solid rgba(216,184,95,.30); border-radius:8px;
}

/* ボタン・ナビCTAに金縁 */
.btn-purple { border-color: rgba(216,184,95,.55); }
.nav .nav-cta { border:1px solid var(--gold-400); }

/* ヘッダーのブランド名に金の下線 */
.brand-text .b-main { position:relative; }

/* フッター上辺に金のグラデーション罫 */
.site-footer {
  border-top:3px solid;
  border-image: linear-gradient(90deg, var(--gold-600), var(--gold-300), var(--gold-600)) 1;
}
.site-footer h4 { position:relative; padding-bottom:8px; }
.site-footer h4::after {
  content:""; position:absolute; left:0; bottom:0; width:34px; height:2px;
  background: linear-gradient(90deg, var(--gold-400), transparent);
}

/* 肖像フレームをさらに荘重に（二重金縁） */
.portrait-frame { box-shadow: var(--shadow-soft), inset 0 0 0 1px rgba(216,184,95,.25); }

/* フッターに紋章の透かし */
.site-footer { position: relative; overflow: hidden; }
.site-footer::after {
  content:""; position:absolute; right:-46px; bottom:-46px; width:300px; height:300px;
  background: url("../images/crest.svg") center/contain no-repeat;
  opacity:.07; pointer-events:none;
}
.site-footer .container { position: relative; z-index: 1; }

/* 青海波の地紋（深紫の面に淡く敷く） */
.section.deep { position: relative; }
.section.deep > .container { position: relative; z-index: 1; }
.section.deep::after {
  content:""; position:absolute; inset:0; pointer-events:none;
  background: url("../images/seigaiha.svg") repeat; background-size: 84px 84px;
  opacity:.10;
}
.page-banner::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background: url("../images/seigaiha.svg") repeat; background-size: 84px 84px;
  opacity:.10;
}
.page-banner .container { position: relative; z-index: 1; }
.site-footer::before {
  content:""; position:absolute; inset:0; pointer-events:none;
  background: url("../images/seigaiha.svg") repeat; background-size: 76px 76px;
  opacity:.07;
}

@media (max-width: 720px) {
  .hero::after { inset:12px; }
  .page-banner::after { inset:9px; }
  /* スマホは暗幕を強めてクラウドの上でも文字を確保 */
  .hero {
    background:
      linear-gradient(180deg, rgba(18,4,32,.86) 0%, rgba(18,4,32,.72) 100%),
      url("../images/hero-bg.jpg") right center / cover no-repeat,
      linear-gradient(160deg, var(--purple-900), var(--purple-700));
  }
}