/* 記事ページ (regions / kuras / 各ハブ) 専用スタイル。style.css の後に読み込む前提。
   トークンを紙トーンに上書きし、見出しを明朝にするエディトリアルデザイン。
   今後のデザイン変更は本ファイル編集 + 参照側 ?v= 更新 + Hosting deploy のみで反映する
   (HTML 構造を変えない限り再生成不要)。
   ダークモードは 2026-08-10 に廃止 (OS 設定に関わらずライト固定)。 */

:root {
  color-scheme: light;
  --bg: #faf6f0;
  --surface: #fffdf9;
  --text: #2a2422;
  --muted: #77695f;
  --line: #e7ddd1;
  --soft: #f3ede4;
  --accent: #8c2f39;
  --accent-soft: #f4e7e5;
  --accent-ink: #71222c;
  --accent-contrast: #ffffff;
  --scrim: rgba(24, 16, 20, 0.62);
  --shadow: 60, 35, 30;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
}

html.theme-sake {
  --accent: #3c5470;
  --accent-soft: #e8edf2;
  --accent-ink: #2c4258;
  --shadow: 30, 42, 56;
}

body {
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

a { color: var(--accent); }

/* style.css の .doc p/.doc li { color: var(--muted) } を本文色に戻す */
.doc p, .doc li { color: var(--text); }

.doc h1, .doc h2, .doc h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.doc h2 {
  position: relative;
  margin-top: 56px;
  margin-bottom: 22px;
  padding-top: 18px;
  font-size: 26px;
  line-height: 1.4;
}
.doc h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--accent);
}
.doc h3 { font-size: 18px; letter-spacing: 0.06em; }

.breadcrumb { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; letter-spacing: 0.04em; }
.breadcrumb a { color: inherit; }

/* ===== ヒーロー (産地: SVG + オーバーレイ) ===== */
.hero {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 36px;
  box-shadow: 0 18px 40px -18px rgba(var(--shadow), 0.35);
  padding: 0;
  text-align: left;
}
.hero > img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px 36px;
  background: linear-gradient(to top, var(--scrim) 0%, rgba(0, 0, 0, 0.05) 55%, rgba(0, 0, 0, 0) 75%);
}
.hero-kicker {
  margin: 0 0 6px;
  color: #f0e2cf;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}
.hero h1, .hero-band h1 {
  margin: 0;
  max-width: none;
  color: #fdf9f3;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.25;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}
.hero-sub { margin: 4px 0 0; color: #e8d9c4; font-size: 14px; letter-spacing: 0.12em; }

/* ===== 題字バンド (蔵ページ / SVG なし産地のフォールバック) ===== */
.hero-band {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 36px;
  padding: 52px 40px 44px;
  background: linear-gradient(120deg, #4a1d24 0%, #6d2830 60%, #8c3a44 100%);
  box-shadow: 0 18px 40px -18px rgba(var(--shadow), 0.45);
}
html.theme-sake .hero-band {
  background: linear-gradient(120deg, #26374a 0%, #3c5470 60%, #55708c 100%);
}
/* 麻の葉風の淡い幾何パターン */
.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    repeating-linear-gradient(60deg, transparent 0 34px, #fff 34px 35px),
    repeating-linear-gradient(-60deg, transparent 0 34px, #fff 34px 35px),
    repeating-linear-gradient(0deg, transparent 0 34px, #fff 34px 35px);
}
.hero-band .hero-kicker { position: relative; color: #e3cfd2; }
html.theme-sake .hero-band .hero-kicker { color: #c8d6e4; }
.hero-band h1 { position: relative; letter-spacing: 0.1em; text-shadow: none; }
.band-meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 16px 0 0;
  color: #e8dcd4;
  font-size: 14px;
  letter-spacing: 0.04em;
}
html.theme-sake .band-meta { color: #dbe4ec; }
.band-meta .item::before { content: "— "; opacity: 0.5; }

/* ===== リード文 ===== */
.lead { font-size: 17px; line-height: 2.05; max-width: none; }
.lead::first-letter {
  float: left;
  padding: 6px 8px 0 0;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 2.1em;
  line-height: 1;
}

/* ===== 地図 ===== */
.region-map { height: 320px; border: 1px solid var(--line); border-radius: 4px; }
.study-map-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr); gap: 18px; align-items: start; }
.study-map { position: relative; height: 520px; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.study-map-index { max-height: 520px; overflow-y: auto; list-style: none; margin: 0; padding-left: 0; }
.study-map-index li { margin-bottom: 2px; }
.study-map-index button {
  width: 100%;
  padding: 8px 12px;
  border: 0;
  border-left: 2px solid transparent;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  text-align: left;
}
.study-map-index button:hover, .study-map-index button:focus-visible, .study-map-index button.is-active {
  border-left-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-ink);
  outline: none;
}
.study-num { margin-right: 8px; color: var(--accent); font-family: var(--serif); font-weight: 700; }
.study-map-number {
  display: grid;
  place-items: center;
  border: 2px solid var(--accent-ink);
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 700;
}
.study-map-number.is-active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); transform: scale(1.12); }
.study-map-error {
  position: absolute;
  z-index: 1000;
  left: 8px;
  bottom: 8px;
  margin: 0;
  padding: 6px 9px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.94);
  color: #8b2d1d;
  font-size: 0.8rem;
}
.study-map-attribution { margin: 10px 0 0; color: var(--muted); font-size: 12px; }

/* ===== 格付け・分類 ===== */
.study-classification ol { list-style: none; padding-left: 0; margin: 0; }
.study-classification li { position: relative; padding: 14px 0 14px 52px; border-bottom: 1px solid var(--line); }
.study-classification li .study-num { position: absolute; left: 0; top: 14px; margin: 0; font-size: 20px; }
.study-classification-name { font-family: var(--serif); font-size: 17px; font-weight: 600; letter-spacing: 0.03em; }
.study-classification-detail { display: block; margin-top: 2px; color: var(--muted); font-size: 14.5px; line-height: 1.8; }

/* ===== 基礎データ / 蔵データ (スペックカード) ===== */
.study-exam-facts dl, .kura-facts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 12px;
  margin: 0;
  border: 0;
}
.study-exam-fact, .fact {
  display: block;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 6px 18px -12px rgba(var(--shadow), 0.25);
}
.study-fact-category, .fact-cat {
  display: inline-block;
  margin: 0 0 8px;
  padding: 2px 8px;
  border-radius: 2px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
}
.study-exam-fact dt { margin-bottom: 4px; font-family: var(--serif); font-size: 16px; font-weight: 600; }
.study-exam-fact dd { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.fact p { margin: 0; font-size: 15px; }

/* ===== 有名な生産者 ===== */
.producers { list-style: none; padding: 0; margin: 0; }
.producers li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.producers strong { display: block; margin-bottom: 2px; font-family: var(--serif); font-size: 17px; letter-spacing: 0.02em; }
.producers span { color: var(--muted); font-size: 14.5px; }

/* ===== ワイン/銘柄カード ===== */
.pr-note { margin: -12px 0 14px; color: var(--muted); font-size: 12px; }
.wine-cards { display: flex; gap: 16px; overflow-x: auto; list-style: none; padding: 4px 4px 12px; margin: 0 0 18px; scroll-snap-type: x mandatory; }
.wine-card {
  flex: 0 0 180px;
  scroll-snap-align: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  box-shadow: 0 10px 24px -16px rgba(var(--shadow), 0.35);
}
.wine-card img { width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 2px; background: var(--soft); }
.wine-card-name { margin: 10px 0 2px; font-size: 14px; font-weight: 600; line-height: 1.5; }
.wine-card-winery { margin: 0 0 12px; color: var(--muted); font-size: 12.5px; }
.wine-card a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 13px;
  text-decoration: none;
}

/* ===== リンクチップ ===== */
.region-links { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0 0 24px; }
.region-links a, .region-links li {
  color: var(--text);
  font-size: 14px;
}
.region-links li {
  display: inline-block;
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}
.region-links li:has(> a) { padding: 0; }
.region-links li > a { display: inline-block; padding: 7px 16px; border-radius: 999px; }
.region-links a:hover { border-color: var(--accent); color: var(--accent-ink); text-decoration: none; }

/* ===== 出典 (蔵: テキスト列挙) ===== */
.sources-inline { color: var(--muted); font-size: 13px; }
.study-sources li { margin-bottom: 6px; color: var(--muted); font-size: 14px; }

.region-note { margin-top: 64px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }

/* ===== 学習記事 ===== */
.learning-doc { max-width: 760px; margin-inline: auto; }
.learning-key-points {
  margin: 32px 0 40px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}
.learning-key-points h2 { margin: 0 0 16px; padding-top: 0; font-size: 20px; }
.learning-key-points h2::before { display: none; }
.learning-key-points dl { display: grid; gap: 10px; margin: 0; }
.learning-key-points dl > div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; }
.learning-key-points dt { color: var(--muted); font-size: 13px; }
.learning-key-points dd { margin: 0; }
.learning-rakuten {
  margin: -8px 0 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}
.learning-rakuten a {
  display: inline-block;
  padding: 10px 22px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--accent-ink);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.learning-rakuten a:hover {
  background: var(--accent);
  color: var(--accent-contrast);
}
.learning-rakuten .pr-note { margin: 0; color: var(--muted); font-size: 11.5px; }

/* 画面下部固定のアクションフッター (iOS 詳細画面と同じ発想) */
.learning-cta-spacer { height: 76px; }
.learning-cta-bar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
}
.learning-cta-bar a {
  display: block;
  width: min(100%, 480px);
  padding: 12px 24px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 14.5px;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
}
.learning-cta-bar a:hover { background: var(--accent-ink); }
.learning-cta-bar .pr-note { margin: 0; color: var(--muted); font-size: 11px; }
.exam-points { margin-top: 56px; padding: 2px 24px 22px; background: var(--soft); }
.exam-points ul { margin-bottom: 0; padding-left: 1.25em; }
.exam-points li + li { margin-top: 14px; }
.exam-points p { margin: 4px 0 0; }
.sources ol { padding-left: 1.25em; }
.sources li { margin-bottom: 8px; font-size: 14px; }
.sources span { display: block; color: var(--muted); font-size: 12.5px; }
.article-note { margin-top: 64px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }

/* ===== 学習記事ハブのフィルタ・検索 (蔵書目録の索引スリップ) ===== */
.learning-toolbar {
  margin: 30px 0 40px;
  padding: 14px 2px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 12px;
}
.learning-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  font-size: 13.5px;
  letter-spacing: 0.02em;
}
.learning-filter a {
  color: var(--muted);
  text-decoration: none;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease;
}
.learning-filter a:hover { color: var(--accent-ink); }
.learning-filter a[aria-current="page"] {
  color: var(--accent-ink);
  border-bottom-color: var(--accent);
}
.learning-filter .count {
  margin-left: 4px;
  color: var(--muted);
  font-size: 11px;
  vertical-align: 0.14em;
  font-feature-settings: "tnum";
}
.learning-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  transition: border-color 0.15s ease;
}
.learning-search:focus-within { border-bottom-color: var(--accent); }
.learning-search input[type="search"] {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 4px 0;
  color: var(--ink);
  font: inherit;
  font-size: 14.5px;
}
.learning-search input[type="search"]::placeholder { color: var(--muted); opacity: 0.75; }
.learning-search input[type="search"]:focus { outline: none; }
.learning-search input[type="search"]::-webkit-search-decoration { display: none; }
.learning-search button {
  border: none;
  background: none;
  padding: 4px 2px;
  color: var(--accent-ink);
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.14em;
  cursor: pointer;
}
.learning-search button:hover { text-decoration: underline; text-underline-offset: 4px; }
.learning-search button:focus-visible,
.learning-filter a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.learning-empty { color: var(--muted); }

/* 産地ページの学習記事リンク */
.region-learning-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 10px; }
.region-learning-list li { border-left: 2px solid var(--accent); padding-left: 14px; }
.region-learning-list a { display: block; font-weight: 600; text-decoration: none; color: var(--accent-ink); }
.region-learning-list a:hover { text-decoration: underline; text-underline-offset: 4px; }
.region-learning-list span { display: block; margin-top: 2px; color: var(--muted); font-size: 13px; }

/* ===== ハブページ ===== */
.region-hub-country { margin-bottom: 32px; }
.region-hub-country ul { list-style: none; padding-left: 20px; margin: 8px 0; }
.region-hub-country > ul { padding-left: 0; }
.region-hub-sake { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px 16px; }

@media (max-width: 720px) {
  .doc h2 { margin-top: 44px; }
  .hero-overlay { padding: 20px 22px; }
  .hero-band { padding: 36px 24px 32px; }
  .study-map-layout { grid-template-columns: 1fr; }
  .study-map { height: 420px; }
  .study-map-index { max-height: none; }
}

/* 蔵ページ: 銘柄解説 */
.brand-note { margin: 0.5em 0; }
.brand-note strong { font-weight: 600; }