:root {
  --bg: #f8f5ee;
  --surface: #ffffff;
  --surface-2: #f1ece1;
  --text: #22302c;
  --muted: #6b746f;
  --line: #e2dccf;
  --primary: #1f4d45;
  --primary-ink: #ffffff;
  --accent: #c08a3e;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 40, 35, 0.06), 0 4px 16px rgba(20, 40, 35, 0.06);
  --serif: "Noto Serif SC", "Songti SC", Georgia, serif;
  --sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

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

h1, h2, h3 { font-family: var(--serif); line-height: 1.3; margin: 0 0 0.5em; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

section { padding: 56px 0; }

.section-title {
  font-size: 1.75rem;
  text-align: center;
  margin-bottom: 28px;
}
.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin: 12px auto 0;
  background: var(--accent);
  border-radius: 2px;
}

.muted { color: var(--muted); }
.empty-note { text-align: center; color: var(--muted); margin: 0; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-ink);
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--primary);
}
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-light { background: #fff; color: var(--primary); border-color: #fff; }

/* ---------- header ---------- */

#site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--primary);
  color: var(--primary-ink);
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  margin-right: auto;
}
.brand-mark { color: var(--accent); font-size: 1.4rem; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-family: var(--serif); font-size: 1.1rem; }
.brand-text small { opacity: 0.8; font-size: 0.75rem; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav > a, .nav summary {
  color: inherit;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.nav > a:hover, .nav summary:hover { background: rgba(255, 255, 255, 0.12); }

.nav-regions { position: relative; }
.nav-regions summary { list-style: none; }
.nav-regions summary::-webkit-details-marker { display: none; }
.nav-regions summary::after { content: " ▾"; font-size: 0.8em; }
.nav-regions .menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 180px;
  background: var(--surface);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 6px;
}
.nav-regions .menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
}
.nav-regions .menu a:hover { background: var(--surface-2); }

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rc, var(--accent));
  flex: none;
}

.lang-btn {
  margin-left: 6px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  color: inherit;
  border-radius: 8px;
  padding: 6px 10px;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: inherit;
  border-radius: 8px;
  font-size: 1.1rem;
  padding: 4px 10px;
  cursor: pointer;
}

@media (max-width: 760px) {
  .menu-btn { display: block; }
  .header-inner { flex-wrap: wrap; }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 8px;
  }
  #site-header.open .nav { display: flex; }
  .nav-regions .menu { position: static; box-shadow: none; margin: 4px 0; }
  .lang-btn { align-self: flex-start; margin: 6px 12px 0; }
}

/* ---------- hero ---------- */

.hero {
  background:
    radial-gradient(circle at 80% 20%, rgba(192, 138, 62, 0.35), transparent 45%),
    linear-gradient(135deg, #1f4d45 0%, #2d6a5e 60%, #3d7f6f 100%);
  color: #fff;
  text-align: center;
  padding: 88px 0 80px;
}
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin-bottom: 4px; }
.hero .en-name { font-size: 1.1rem; opacity: 0.85; margin: 0 0 32px; letter-spacing: 0.04em; }
.hero blockquote {
  max-width: 640px;
  margin: 0 auto 32px;
  font-family: var(--serif);
  font-size: 1.15rem;
}
.hero cite { display: block; margin-top: 8px; font-style: normal; opacity: 0.8; font-size: 0.9rem; }

/* ---------- about ---------- */

.about p { max-width: 720px; margin: 0 auto; text-align: center; font-size: 1.05rem; }

/* ---------- region cards ---------- */

.regions { background: var(--surface-2); }
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.region-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: var(--radius);
  border-top: 5px solid var(--rc);
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}
.region-card:hover { transform: translateY(-3px); }
.region-card h3 { color: var(--rc); margin-bottom: 2px; }
.region-card .area { color: var(--muted); font-size: 0.85rem; margin: 0 0 12px; }
.region-card .summary { font-size: 0.9rem; margin: 0 0 16px; flex: 1; }
.region-card .more { color: var(--rc); font-weight: 600; font-size: 0.9rem; }

/* ---------- calendar ---------- */

.cal-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.cal-toolbar button, .cal-filters button {
  font: inherit;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
}
.cal-toolbar button:hover:not(:disabled), .cal-filters button:hover { border-color: var(--primary); }
.cal-toolbar button:disabled { opacity: 0.45; cursor: default; }
.cal-range { font-family: var(--serif); font-weight: 700; font-size: 1.1rem; min-width: 170px; text-align: center; }

.cal-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.cal-filters button { display: inline-flex; align-items: center; gap: 6px; }
.cal-filters button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.cal-filters button[data-filter="all"] .dot { display: none; }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}
.cal-day {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  min-height: 150px;
}
.cal-day.is-today { border: 2px solid var(--accent); }
.cal-day-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.cal-day-head .dow { font-weight: 700; }
.cal-day-head .date { color: var(--muted); font-size: 0.85rem; }
.is-today .cal-day-head .date {
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 0 8px;
}
.cal-none { color: var(--line); text-align: center; padding-top: 24px; }

.cal-item {
  background: color-mix(in srgb, var(--rc) 10%, white);
  border-left: 4px solid var(--rc);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 6px;
  font-size: 0.82rem;
  line-height: 1.4;
}
.cal-item.special { background: color-mix(in srgb, var(--accent) 16%, white); }
.ci-time { font-weight: 600; color: var(--rc); }
.ci-title { font-weight: 700; margin: 2px 0; }
.ci-meta { color: var(--muted); }

@media (max-width: 860px) {
  .cal-grid { grid-template-columns: 1fr; }
  .cal-day { min-height: 0; }
  .cal-day.is-empty { padding: 8px 10px; }
  .cal-day.is-empty .cal-day-head { border: 0; margin: 0; padding: 0; }
  .cal-day.is-empty .cal-none { display: none; }
}

/* ---------- weekly cards (region pages) ---------- */

.weekly-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  max-width: 760px;
  margin: 0 auto;
}
.weekly-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--rc);
}
.wc-day { font-family: var(--serif); font-size: 1.4rem; font-weight: 700; color: var(--rc); }
.wc-title { font-weight: 600; margin: 4px 0; }
.wc-time, .wc-place { color: var(--muted); font-size: 0.95rem; }

/* ---------- events ---------- */

.events-section { background: var(--surface-2); }
.event-list { display: grid; gap: 12px; max-width: 760px; margin: 0 auto; }
.event {
  display: flex;
  gap: 16px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.event-date {
  flex: none;
  width: 64px;
  text-align: center;
  border-radius: 10px;
  background: var(--rc);
  color: #fff;
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.event-date .d { font-size: 1.6rem; font-weight: 700; }
.event-date .m, .event-date .w { font-size: 0.75rem; opacity: 0.9; }
.event-body h3 { font-size: 1.15rem; margin-bottom: 2px; }
.event-body p { margin: 4px 0 0; }
.event-body .meta { color: var(--muted); font-size: 0.9rem; }

/* ---------- region hero ---------- */

.region-hero {
  background: linear-gradient(135deg, var(--rc) 0%, color-mix(in srgb, var(--rc) 70%, black) 100%);
  color: #fff;
  padding: 48px 0 56px;
}
.region-hero .back { color: #fff; opacity: 0.85; text-decoration: none; font-size: 0.9rem; }
.region-hero h1 { font-size: clamp(2rem, 6vw, 3rem); margin: 16px 0 0; }
.region-hero .area { opacity: 0.85; margin: 0 0 16px; }
.region-hero .intro { max-width: 640px; font-size: 1.05rem; margin: 0; }

/* ---------- contact / footer ---------- */

.contact { text-align: center; }
.contact p { max-width: 620px; margin: 0 auto 20px; }
.contact-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

#site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  padding: 28px 16px;
  font-size: 0.85rem;
}
#site-footer p { margin: 4px 0; }
#site-footer a { color: #fff; }