:root {
  --bg: #f4efe6;
  --panel: rgba(255, 250, 243, 0.88);
  --panel-strong: #fff8f0;
  --line: rgba(93, 50, 24, 0.16);
  --ink: #1d1711;
  --muted: #5f4a39;
  --accent: #9d2f1e;
  --accent-soft: #d48b5d;
  --gold: #c79a3b;
  --shadow: 0 18px 48px rgba(77, 43, 18, 0.12);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Serif SC", serif;
  background: radial-gradient(circle at top, rgba(199,154,59,0.14), transparent 36%), linear-gradient(180deg, #f8f3eb 0%, var(--bg) 100%);
  color: var(--ink);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.page-bg {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(125deg, rgba(157,47,30,0.06), transparent 35%),
    linear-gradient(330deg, rgba(199,154,59,0.1), transparent 28%);
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 28px;
  backdrop-filter: blur(18px);
  background: rgba(248, 243, 235, 0.84);
  border-bottom: 1px solid var(--line);
}

.site-title { font-size: 1.2rem; font-weight: 700; letter-spacing: 0.02em; }
.site-subtitle { margin: 4px 0 0; color: var(--muted); font-size: 0.92rem; }
.top-nav { display: flex; gap: 12px; flex-wrap: wrap; }
.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-link:hover, .nav-link.active {
  color: var(--accent);
  border-color: rgba(157,47,30,0.18);
  background: rgba(255,255,255,0.58);
}

.page-main { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; padding: 34px 0 72px; }

.hero, .detail-hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  margin-bottom: 28px;
}

.hero-panel, .hero-side, .detail-hero, .detail-card, .theme-card, .concept-card, .article-card, .route-card, .prose-card, .table-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel, .hero-side, .detail-hero { padding: 28px; }
.hero-panel h1, .detail-hero h1 { margin: 10px 0 14px; font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.04; }
.hero-text { color: var(--muted); font-size: 1.05rem; line-height: 1.75; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.stats span, .tag-row span, .stat-line, .meta-line {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(93, 50, 24, 0.1);
  color: var(--muted);
  font-size: 0.92rem;
}

.section-block { margin-top: 36px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 16px; }
.section-head h2 { margin: 0; font-size: 1.6rem; }
.section-head p, .muted { margin: 0; color: var(--muted); }

.route-grid, .theme-grid, .concept-grid, .article-grid, .plate-grid, .detail-grid {
  display: grid;
  gap: 16px;
}
.route-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.theme-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.concept-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.plate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.detail-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 20px; }

.route-card, .theme-card, .concept-card, .article-card, .detail-card, .prose-card, .table-card { padding: 22px; }
.theme-card h3, .concept-card h3, .article-card h3, .route-card h3, .detail-card h2 { margin: 10px 0 10px; }
.theme-card p, .concept-card p, .article-card p, .route-card p, .detail-card p, .prose-card p, .hero-side p, li {
  line-height: 1.78;
  color: var(--muted);
}
.thesis-list { margin: 14px 0 0; padding-left: 18px; }
.thesis-list li { margin-bottom: 10px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.search-input {
  width: min(320px, 100%);
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.8);
  font: inherit;
}

.scan-frame {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  margin-top: 18px;
}
.scan-frame img { width: 100%; height: auto; }
.scan-frame.wide { max-width: 920px; margin-inline: auto; }
.plate-card {
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.plate-copy { padding: 18px 20px 22px; }

.pager {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.pager a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.72);
}

table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { color: var(--accent); font-weight: 700; }

@media (max-width: 980px) {
  .hero, .detail-grid, .route-grid, .theme-grid, .concept-grid, .article-grid, .plate-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .site-header { position: static; padding: 16px; }
  .page-main { width: min(100vw - 20px, 1180px); padding: 20px 0 54px; }
  .hero, .detail-hero, .detail-grid, .route-grid, .theme-grid, .concept-grid, .article-grid, .plate-grid { grid-template-columns: 1fr; }
  .hero-panel h1, .detail-hero h1 { font-size: 2.2rem; }
  .section-head { flex-direction: column; align-items: start; }
}