@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;700&family=Inter:wght@400;500;600&family=Noto+Sans+JP:wght@400;500&display=swap');

:root {
  --ink: #1b1b1a;
  --charcoal: #383836;
  --steel: #6f6e69;
  --mist: #c8c6c0;
  --hairline: #d8d6d0;
  --paper: #f3f2ee;
  --paper-raised: #ffffff;
  --accent: #8a1f1f; /* 朱印を思わせる深い緋色。ごく控えめに使う */
  --radius: 2px;
  --serif: 'Noto Serif JP', serif;
  --sans: 'Inter', 'Noto Sans JP', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== シグネチャーマーク（favicon と統一） ===== */
.crest {
  display: inline-block;
  width: 39.6px;
  height: 39.6px;
  vertical-align: middle;
}
.crest rect { stroke: currentColor; fill: none; stroke-width: 3.1; }
.crest text {
  fill: currentColor;
  font-family: 'Hiragino Mincho ProN', 'Yu Mincho', 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: 47px;
}

/* ===== ヘッダー ===== */
.site-header {
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand-text {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.08em;
  line-height: 1.3;
}
.brand-text small {
  display: block;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--steel);
  margin-top: 2px;
}
nav.main-nav {
  display: flex;
  gap: 28px;
  font-size: 13px;
  letter-spacing: 0.04em;
}
nav.main-nav a { text-decoration: none; color: var(--charcoal); border-bottom: 1px solid transparent; padding-bottom: 4px; white-space: nowrap; }
nav.main-nav a:hover { border-color: var(--ink); }

.nav-toggle-checkbox { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
}
.nav-toggle-label span {
  display: block;
  height: 2px;
  background: var(--ink);
}

@media (max-width: 800px) {
  .site-header .wrap { flex-wrap: wrap; height: auto; min-height: 76px; }
  .nav-toggle-label { display: flex; }
  nav.main-nav {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    order: 3;
    border-top: 1px solid var(--hairline);
    padding: 8px 0 16px;
  }
  nav.main-nav a {
    padding: 13px 4px;
    border-bottom: 1px solid var(--hairline);
    white-space: normal;
  }
  .nav-toggle-checkbox:checked ~ nav.main-nav { display: flex; }
}

/* ===== ヒーロー ===== */
.hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--hairline);
}
.hero .eyebrow {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--steel);
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(30px, 5vw, 46px);
  letter-spacing: 0.03em;
  line-height: 1.55;
  margin: 0 0 28px;
}
.hero p.lead {
  font-size: 15.5px;
  color: var(--charcoal);
  max-width: 560px;
  margin: 0 0 36px;
}
.hero-actions { display: flex; gap: 14px; }

.btn {
  display: inline-block;
  padding: 13px 28px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--charcoal); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ===== セクション共通 ===== */
section.block { padding: 64px 0; border-bottom: 1px solid var(--hairline); }
section.block:last-of-type { border-bottom: none; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 34px; }
.block-head h2 {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.06em;
  margin: 0;
  font-weight: 500;
}
.block-head .more { font-size: 12px; letter-spacing: 0.05em; text-decoration: none; color: var(--steel); border-bottom: 1px solid var(--mist); }

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.concept-card {
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  padding: 26px 22px;
}
.concept-card .num {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--steel);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.concept-card h3 { font-size: 15px; margin: 0 0 10px; letter-spacing: 0.03em; }
.concept-card p { font-size: 13.5px; color: var(--charcoal); margin: 0; }

/* ===== ニュース ===== */
.news-item { padding: 22px 0; border-bottom: 1px solid var(--hairline); }
.news-item:last-child { border-bottom: none; }
.news-item time { font-size: 11px; letter-spacing: 0.08em; color: var(--steel); }
.news-item h3 { font-family: var(--serif); font-size: 16.5px; margin: 6px 0 8px; font-weight: 500; }
.news-item p { font-size: 13.5px; color: var(--charcoal); margin: 0; white-space: pre-wrap; }

/* ===== 会員一覧 ===== */
.member-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.member-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  padding: 18px 20px;
}
.member-card:hover { border-color: var(--ink); }
.member-card .m-name { font-family: var(--serif); font-size: 15.5px; }
.member-card .m-country { font-size: 11.5px; color: var(--steel); letter-spacing: 0.05em; margin-top: 4px; }
.member-card .m-msg { font-size: 12.5px; color: var(--charcoal); margin-top: 10px; }

/* ===== フォーム ===== */
form.card {
  background: var(--paper-raised);
  border: 1px solid var(--hairline);
  padding: 34px;
  max-width: 460px;
}
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 12px; letter-spacing: 0.06em; color: var(--steel); margin-bottom: 8px; }
.field input, .field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--mist);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  border-radius: var(--radius);
}
.field textarea { resize: vertical; min-height: 90px; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--ink); outline-offset: 1px; }

.notice {
  font-size: 13px;
  padding: 12px 16px;
  border: 1px solid var(--hairline);
  background: var(--paper-raised);
  margin-bottom: 22px;
}
.notice.error { border-color: var(--accent); color: var(--accent); }

/* ===== プロフィール・コメント ===== */
.profile-head { margin-bottom: 30px; }
.profile-head .m-name { font-family: var(--serif); font-size: 26px; }
.profile-head .m-country { color: var(--steel); font-size: 13px; letter-spacing: 0.06em; margin-top: 6px; }
.profile-head .m-msg { margin-top: 18px; font-size: 14.5px; color: var(--charcoal); white-space: pre-wrap; }

.comment { border-bottom: 1px solid var(--hairline); padding: 16px 0; }
.comment .c-meta { font-size: 11.5px; color: var(--steel); margin-bottom: 6px; }
.comment .c-body { font-size: 13.5px; white-space: pre-wrap; }

/* ===== 年表バナー（トップページ） ===== */
.history-banner {
  display: block;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink);
  padding: 40px 44px;
  margin: 36px 0;
  border-radius: var(--radius);
  transition: background 0.15s ease;
}
.history-banner:hover { background: var(--charcoal); }
.history-banner-eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
  margin-bottom: 14px;
}
.history-banner h2 {
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 26px);
  margin: 0 0 10px;
  font-weight: 500;
}
.history-banner p { margin: 0 0 18px; font-size: 13.5px; color: var(--mist); }
.history-banner-cta { font-size: 13px; letter-spacing: 0.06em; border-bottom: 1px solid var(--paper); padding-bottom: 2px; }

/* ===== コラム：ランキング・比較表 ===== */
.rank-table { border: 1px solid var(--hairline); background: var(--paper-raised); }
.rank-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--hairline);
  font-size: 13.5px;
}
.rank-row:last-child { border-bottom: none; }
.rank-no {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--accent);
  width: 20px;
  flex-shrink: 0;
}
.rank-pref { font-weight: 600; width: 140px; flex-shrink: 0; }
.rank-val { color: var(--charcoal); }
.rank-sub { color: var(--steel); font-size: 12px; margin-left: auto; }

.compare-table { border: 1px solid var(--hairline); background: var(--paper-raised); }
.compare-row {
  display: grid;
  grid-template-columns: 110px 150px 170px 1fr;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
  align-items: center;
}
.compare-row:last-child { border-bottom: none; }
.compare-row.compare-head {
  background: var(--ink);
  color: var(--paper);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}
.compare-row .c-name { font-family: var(--serif); font-weight: 600; }

@media (max-width: 640px) {
  .rank-row { flex-wrap: wrap; }
  .rank-sub { margin-left: 0; width: 100%; }
  .compare-row { grid-template-columns: 1fr 1fr; font-size: 12px; }
}

/* ===== 年表 ===== */
.legend { margin-top:24px; display:flex; flex-wrap:wrap; gap:16px 24px; font-size:13px; color: var(--charcoal); align-items:center; }
.legend-item { display:inline-flex; align-items:center; gap:8px; }

.timeline { position: relative; padding-left: 110px; }
.timeline-item {
  position: relative;
  padding: 22px 0 22px 16px;
  border-bottom: 1px solid var(--hairline);
  border-left: 3px solid transparent;
}
.timeline-item:last-child { border-bottom: none; }
.timeline-item.type-temple { border-left-color: var(--charcoal); }
.timeline-item.type-person { border-left-color: var(--accent); }

.timeline-year {
  position: absolute;
  left: -110px;
  top: 22px;
  width: 90px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink);
  text-align: right;
  padding-right: 20px;
  border-right: 1px solid var(--mist);
}
.timeline-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  background: transparent;
  border: 1.5px solid currentColor;
  white-space: nowrap;
}
.tag-temple { color: var(--charcoal); }
.tag-person { color: var(--accent); }
.timeline-body h3 { font-size: 15.5px; margin: 0 0 8px; font-weight: 600; letter-spacing: 0.02em; }
.timeline-body p { font-size: 13.5px; color: var(--charcoal); margin: 0; }

.bangai {
  margin-top: 40px;
  padding: 26px 30px;
  border: 1px dashed var(--mist);
  background: var(--paper-raised);
}
.bangai-label { font-size: 11px; letter-spacing: 0.14em; color: var(--accent); margin-bottom: 10px; text-transform: uppercase; }
.bangai h3 { font-family: var(--serif); font-size: 16px; margin: 0 0 10px; font-weight: 500; }
.bangai p { font-size: 13.5px; color: var(--charcoal); margin: 0; }

@media (max-width: 640px) {
  .timeline { padding-left: 0; }
  .timeline-year {
    position: static;
    width: auto;
    text-align: left;
    border-right: none;
    padding-right: 0;
    margin-bottom: 8px;
    display: block;
  }
  .legend { flex-direction: column; gap: 8px; }
}

/* ===== フッター ===== */
footer.site-footer {
  padding: 40px 0 60px;
  font-size: 12px;
  color: var(--steel);
  letter-spacing: 0.03em;
}

@media (max-width: 640px) {
  .concept-grid, .member-grid { grid-template-columns: 1fr; }
  nav.main-nav { gap: 16px; font-size: 12px; }
  .hero { padding: 64px 0 48px; }
}