:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --ink: #1c2531;
  --ink-light: #5b6775;
  --brand: #0f1b2d;
  --accent: #c8912b;
  --accent-soft: #f6ecd6;
  --line: #e3e8ef;
  --up: #1f9d55;
  --down: #d0463b;
  --chart-line: #0f6fbf;
  --chart-fill: rgba(15, 111, 191, 0.12);
  --radius: 10px;
  --maxw: 1000px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--chart-line); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.site-wrap { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }

/* header */
.site-header { background: var(--brand); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; gap: 16px; height: 58px; }
.site-logo { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 700; font-size: 1.15rem; }
.site-logo:hover { text-decoration: none; }
.logo-mark { color: var(--accent); }
.site-nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }
.site-nav a { color: #d7dee8; padding: 8px 12px; border-radius: 6px; font-size: 0.9rem; }
.site-nav a:hover { color: #fff; background: rgba(255,255,255,0.1); text-decoration: none; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; gap: 5px; justify-content: center; align-items: center; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; display: block; }

@media (max-width: 780px) {
  .nav-toggle { display: flex; }
  .site-nav { position: absolute; left: 0; right: 0; top: 58px; background: var(--brand); flex-direction: column; padding: 8px 16px 16px; gap: 2px; display: none; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 10px 8px; }
}

/* hero */
.hero { background: linear-gradient(160deg, #0f1b2d, #1c3350); color: #fff; padding: 44px 0; }
.hero h1 { margin: 0 0 12px; font-size: 1.7rem; line-height: 1.5; }
.hero p { margin: 0; color: #c3d0df; max-width: 640px; }
.hero-updated { margin-top: 14px !important; font-size: 0.85rem; color: #9fb3c8 !important; }

.page { padding: 32px 20px 56px; }
.page h1 { font-size: 1.55rem; margin: 0 0 18px; }
.lead { color: var(--ink-light); }

.breadcrumb { font-size: 0.82rem; color: var(--ink-light); margin-bottom: 14px; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb span { color: var(--line); }
.breadcrumb a { color: var(--ink-light); }

/* rank list */
.home-block { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 26px; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; gap: 12px; }
.block-head h2 { margin: 0; font-size: 1.15rem; }
.block-head a { font-size: 0.85rem; white-space: nowrap; }

.rank-list { list-style: none; margin: 0; padding: 0; }
.rank-item { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 13px 0; border-top: 1px solid var(--line); align-items: baseline; }
.rank-item:first-child { border-top: 0; }
.rank-num { font-weight: 700; font-size: 1.1rem; color: var(--accent); text-align: center; }
.rank-title { font-weight: 700; color: var(--ink); }
.rank-meta { margin: 4px 0 0; font-size: 0.82rem; color: var(--ink-light); display: flex; gap: 12px; flex-wrap: wrap; }
.rank-news { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.rank-news li { font-size: 0.8rem; }
.rank-news a { color: var(--chart-line); }
.rank-news-source { color: var(--ink-light); }
.rank-news-cat { display: inline-block; background: var(--accent-soft); color: var(--brand); font-size: 0.72rem; padding: 1px 6px; border-radius: 4px; margin-right: 4px; }
.day-events { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.day-events li { border-top: 1px solid var(--line); padding-top: 10px; font-size: 0.92rem; }
.day-events li:first-child { border-top: 0; padding-top: 0; }
.rank-delta { font-weight: 700; }
.rank-delta.is-up { color: var(--up); }
.rank-delta.is-down { color: var(--down); }
.rank-delta.is-new { color: var(--accent); }
.rank-delta.is-same { color: var(--ink-light); }

.note { background: var(--accent-soft); border-radius: var(--radius); padding: 16px 20px; margin-top: 8px; }
.note h2 { margin: 0 0 6px; font-size: 1rem; }
.note p { margin: 0; font-size: 0.9rem; }

/* title detail */
.title-detail section { margin-bottom: 30px; }
.title-detail h2 { font-size: 1.15rem; border-left: 4px solid var(--accent); padding-left: 10px; }
.title-head { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 26px; }
.title-poster { width: 160px; border-radius: 8px; background: var(--line); }
.attribution { margin: 0 0 14px; font-size: 0.8rem; line-height: 1.7; color: #9fb0c2; }
.attribution a { color: #cdd9e5; }
.title-head h1 { margin: 0 0 4px; }
.title-original { color: var(--ink-light); font-size: 0.85rem; margin: 0 0 12px; }
.title-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; margin: 0; }
.title-facts > div { display: flex; gap: 8px; font-size: 0.9rem; border-bottom: 1px dotted var(--line); padding: 4px 0; }
.title-facts dt { color: var(--ink-light); min-width: 84px; margin: 0; }
.title-facts dd { margin: 0; font-weight: 500; }

.history-table, .cal-list { width: 100%; }
.history-table { border-collapse: collapse; font-size: 0.88rem; }
.history-table th, .history-table td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.history-table th { background: var(--bg); }

.trend-chart { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.trend-chart svg { width: 100%; height: auto; display: block; }
.trend-chart figcaption { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--ink-light); margin-top: 6px; }
.chart-empty { color: var(--ink-light); font-size: 0.9rem; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); padding: 20px; text-align: center; }

.source-note { font-size: 0.78rem; color: var(--ink-light); margin-top: 20px; }

/* archive */
.archive-month { margin-bottom: 20px; }
.archive-month h2 { font-size: 1.05rem; }
.archive-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.archive-list a { display: inline-block; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px; font-size: 0.85rem; }

/* calendar */
.cal-day { margin-bottom: 18px; }
.cal-day h3 { font-size: 0.98rem; margin: 0 0 8px; color: var(--brand); border-bottom: 2px solid var(--accent-soft); padding-bottom: 4px; }
.cal-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.cal-list li { display: flex; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px; }
.cal-list img { width: 52px; height: 78px; object-fit: cover; border-radius: 4px; }
.cal-list p { margin: 4px 0 0; font-size: 0.75rem; color: var(--ink-light); }

.mini-calendar { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.mini-calendar li { display: flex; gap: 8px; align-items: center; }
.mini-calendar img { width: 46px; height: 69px; object-fit: cover; border-radius: 4px; }
.mc-date { display: block; font-size: 0.72rem; color: var(--ink-light); }

.about-data { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-top: 10px; }
.about-data h2 { margin-top: 0; font-size: 1.1rem; }
.about-data p { margin: 0; font-size: 0.92rem; }

/* prose */
.prose h2 { font-size: 1.15rem; margin: 28px 0 8px; border-left: 4px solid var(--accent); padding-left: 10px; }
.prose ul { padding-left: 1.3em; }
.prose li { margin: 4px 0; }
.button { display: inline-block; background: var(--brand); color: #fff; padding: 12px 22px; border-radius: 8px; font-weight: 700; }
.button:hover { text-decoration: none; background: #1c3350; }
.affiliate-notice { background: var(--accent-soft); border-radius: 8px; padding: 10px 14px; font-size: 0.85rem; margin-bottom: 16px; }
.affiliate-badge { display: inline-block; background: var(--accent); color: #fff; font-size: 0.7rem; font-weight: 700; padding: 1px 6px; border-radius: 4px; margin-right: 6px; }

/* footer */
.site-footer { background: var(--brand); color: #b8c4d2; padding: 28px 0; margin-top: 40px; font-size: 0.85rem; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.footer-links a { color: #d7dee8; }
.footer-updated, .footer-copy { margin: 4px 0 0; color: #8595a8; }

@media (max-width: 620px) {
  .title-facts { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.35rem; }
}