:root {
  --bg: #f7f8f6;
  --surface: #ffffff;
  --text: #1d2327;
  --muted: #5f6970;
  --border: #d9dee2;
  --accent: #1f6f8b;
  --bar: #9fb8c6;
  --bar-quiet: #3f9a6b;
  --bar-busy: #d07a3d;
  --level-quiet: #cde9d6;
  --level-normal: #eff1ee;
  --level-busy: #f8d9b2;
  --level-peak: #ee9f86;
  --holiday: #b3261e;
  --price-pending: #eef0f2;
  --price-cheap: #cfe8d5;
  --price-normal: #f1f1ec;
  --price-high: #f9dcb8;
  --price-peak: #f2a98f;
  --price-full: #9aa3ad;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181a;
    --surface: #1e2225;
    --text: #e5e8ea;
    --muted: #99a2a9;
    --border: #353b40;
    --accent: #7cc3dc;
    --bar: #4d6573;
    --bar-quiet: #5bbf8a;
    --bar-busy: #e39a62;
    --level-quiet: #24523a;
    --level-normal: #2d3236;
    --level-busy: #6b4b24;
    --level-peak: #8a3d2b;
    --holiday: #f2a19a;
    --price-pending: #2a2e33;
    --price-cheap: #24513a;
    --price-normal: #34383d;
    --price-high: #6b4a24;
    --price-peak: #8a3b28;
    --price-full: #5b636c;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    'Hiragino Sans',
    'Noto Sans JP',
    sans-serif;
  line-height: 1.6;
}

.header,
.main,
.footer {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 16px;
}

.header h1 {
  margin: 24px 0 4px;
  font-size: 1.6rem;
}

.lead,
.note,
.subline,
.footer {
  color: var(--muted);
}

.picker {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.search {
  position: relative;
  flex: 1 1 260px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.selects {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.picker label,
.search label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.picker input,
.picker select {
  min-width: 11rem;
  padding: 8px 10px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 10;
  max-height: 320px;
  margin: 4px 0 0;
  padding: 4px 0;
  overflow-y: auto;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgb(0 0 0 / 0.15);
}

.search-results button {
  width: 100%;
  padding: 6px 12px;
  font: inherit;
  text-align: left;
  color: var(--text);
  background: none;
  border: 0;
  cursor: pointer;
}

.search-results button:hover,
.search-results button:focus-visible {
  background: var(--bg);
}

.search-results .empty {
  padding: 6px 12px;
  color: var(--muted);
}

.status.error {
  color: var(--holiday);
}

.headline {
  margin: 24px 0 0;
  font-size: 1.35rem;
}

.subline {
  margin: 4px 0 16px;
}

.block {
  margin: 24px 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.block h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.note {
  margin: 4px 0 12px;
  font-size: 0.85rem;
}

.months {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 6px;
  align-items: end;
  height: 200px;
}

.month-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 2px;
}

.bar {
  width: 100%;
  max-width: 42px;
  min-height: 2px;
  background: var(--bar);
  border-radius: 4px 4px 0 0;
}

.is-quiet .bar {
  background: var(--bar-quiet);
}

.is-busy .bar {
  background: var(--bar-busy);
}

.month-value {
  font-size: 0.75rem;
  color: var(--muted);
}

.month-label {
  font-size: 0.8rem;
}

.occupancy {
  margin-top: 16px;
}

.occupancy summary {
  cursor: pointer;
  color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
}

.occupancy table {
  margin-top: 8px;
  border-collapse: collapse;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.occupancy th,
.occupancy td {
  padding: 4px 10px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border);
  border-radius: 3px;
}

.calendar {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}

.month h4 {
  margin: 4px 0;
  font-size: 0.95rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.weekday {
  font-size: 0.7rem;
  text-align: center;
  color: var(--muted);
}

.cell {
  aspect-ratio: 1;
  padding: 0;
  font: inherit;
  font-size: 0.75rem;
  color: var(--text);
  background: none;
  border: 0;
  border-radius: 3px;
}

button.cell {
  cursor: pointer;
}

button.cell:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.cell.is-holiday {
  color: var(--holiday);
  font-weight: 700;
}

.level-quiet {
  background: var(--level-quiet);
}
.level-normal {
  background: var(--level-normal);
}
.level-busy {
  background: var(--level-busy);
}
.level-peak {
  background: var(--level-peak);
}

.price-picker {
  align-items: flex-end;
  margin: 8px 0;
  background: var(--bg);
}

.price-picker select {
  background: var(--surface);
}

.price-picker button {
  padding: 8px 16px;
  font: inherit;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  cursor: pointer;
}

.price-picker button:disabled {
  opacity: 0.5;
  cursor: default;
}

progress {
  width: 100%;
}

/* 料金のカレンダーは、日付の下に価格帯を書くので背を高くする */
.price-calendar .cell {
  aspect-ratio: auto;
  min-height: 48px;
  padding: 2px 3px;
  text-align: left;
  color: var(--muted);
}

.price-calendar .cell.sampled {
  color: var(--text);
}

.price-calendar .day {
  display: block;
}

.price-calendar .band {
  display: block;
  font-size: 0.65rem;
  line-height: 1.2;
  word-break: keep-all;
}

.price-pending {
  background: var(--price-pending);
}
.price-cheap {
  background: var(--price-cheap);
}
.price-normal {
  background: var(--price-normal);
}
.price-high {
  background: var(--price-high);
}
.price-peak {
  background: var(--price-peak);
}
.price-full {
  background: var(--price-full);
}
.price-unknown {
  background: var(--price-pending);
}

.price-day ol {
  margin: 8px 0 0;
  padding-left: 1.4em;
}

.price-day li {
  padding: 2px 0;
}

.price-day a {
  color: var(--accent);
}

.hotel-band {
  margin-left: 8px;
  color: var(--muted);
}

.day-detail {
  margin: 0 0 12px;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.day-detail p {
  margin: 4px 0 0;
}

.events {
  margin: 8px 0 0;
  padding-left: 1.2em;
}

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

.footer {
  margin-top: 32px;
  padding-bottom: 32px;
  font-size: 0.8rem;
}

.footer a {
  color: var(--muted);
}

@media (max-width: 560px) {
  .months {
    height: 160px;
    gap: 3px;
  }

  .month-value {
    font-size: 0.65rem;
  }
}