:root {
  --navy: #1A1F36;
  --gold: #B8963E;
  --rust: #a94e26;
  --cream: #F5F3EF;
  --bg: #fafaf7;
  --text: #1A1F36;
  --sub: #6B7280;
  --dim: #9CA3AF;
  --border: rgba(26,31,54,0.10);
  --water: #1d6fb8;
  --water-l: #4ea3e0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 14px 60px;
}

header {
  padding: 8px 0 18px;
  border-bottom: 2px solid var(--water);
  margin-bottom: 18px;
  position: relative;
}
header h1 { font-size: 22px; color: var(--navy); font-weight: 800; }
header .lead { font-size: 13px; color: var(--sub); margin-top: 4px; }
header .back {
  display: inline-block;
  font-size: 13px;
  color: var(--water);
  text-decoration: none;
  margin-bottom: 4px;
}
header .back:hover { text-decoration: underline; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 14px 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.card.subtle { background: var(--cream); }
.card h2 { font-size: 15px; color: var(--navy); margin-bottom: 10px; font-weight: 700; }
.card h3 { font-size: 14px; color: var(--navy); margin-bottom: 8px; font-weight: 700; }
.card.error { background: #fff4f0; border-color: #f4c4b4; }
.card.error p { color: var(--rust); }

.card.hero {
  background: linear-gradient(135deg, var(--water-l) 0%, var(--water) 100%);
  color: #fff;
  border: none;
}
.card.hero h2 { color: #fff; }

.row { margin: 10px 0; }
.row label {
  display: block;
  font-size: 13px;
  color: var(--sub);
  margin-bottom: 4px;
}
.row input, .row select {
  display: block;
  width: 100%;
  padding: 10px 12px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  font-family: inherit;
}

button.primary {
  display: block;
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: var(--water);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 14px;
  font-family: inherit;
}
button.primary:hover { background: #155a96; }

.today-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.chip {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--navy);
  text-decoration: none;
}
.chip-link {
  cursor: pointer;
  transition: background 0.15s;
}
.chip-link:hover {
  background: var(--cream);
  border-color: var(--gold);
}

/* ============= レースナビゲーション (前/次/場一覧) ============= */
.race-nav {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}
.nav-btn {
  flex: 1;
  text-align: center;
  padding: 8px 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--water);
  font-size: 13px;
  font-weight: 700;
  transition: background 0.15s;
}
.nav-btn:hover {
  background: var(--cream);
  border-color: var(--water);
}
.nav-btn.nav-venue {
  background: var(--water);
  color: #fff;
  border-color: var(--water);
  flex: 1.3;
}
.nav-btn.nav-venue:hover { background: #155a96; }
.nav-btn.disabled {
  color: var(--dim);
  cursor: default;
  pointer-events: none;
  background: #f5f5f5;
}

/* ============= 場一覧（venue.html） ============= */
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
@media(max-width:520px) { .venue-grid { grid-template-columns: 1fr; } }
.venue-race-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.15s;
}
.venue-race-card:hover {
  border-color: var(--water);
  background: var(--cream);
  transform: translateY(-1px);
}
.venue-race-card.empty { opacity: 0.5; }
.vr-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  margin-bottom: 8px;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 5px;
}
.vr-rno {
  font-weight: 900;
  font-size: 16px;
  color: var(--navy);
  font-family: "Times New Roman", serif;
}
.vr-chaos {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 700;
}
.vr-chaos.chaos-low { background: #e8f0e3; color: #2e7d32; }
.vr-chaos.chaos-mid { background: #f0eddf; color: var(--gold); }
.vr-chaos.chaos-high { background: #f7eee8; color: var(--rust); }
.vr-result {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
}
.vr-result.hit { background: var(--green); color: #fff; }
.vr-result.miss { background: #f5f5f5; color: var(--sub); }
.vr-marks-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
}
.vr-lane {
  text-align: center;
  font-size: 10px;
  padding: 4px 2px;
  background: var(--cream);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.vr-mark {
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  height: 16px;
}
.vr-name {
  font-size: 9px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.venue-race-card .lane-1 { background: #fff; border: 1px solid #ccc; }
.venue-race-card .lane-2 { background: #1a1a1a; color: #fff; }
.venue-race-card .lane-3 { background: #d33; color: #fff; }
.venue-race-card .lane-4 { background: #248; color: #fff; }
.venue-race-card .lane-5 { background: #fc0; color: #000; }
.venue-race-card .lane-6 { background: #2a3; color: #fff; }


/* AI予想印 */
.marks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 8px 0 14px;
}
.mark-card {
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 8px;
  padding: 10px 6px;
  text-align: center;
  color: #fff;
}
.mark-symbol {
  font-size: 24px;
  font-weight: 900;
  line-height: 1.1;
}
.mark-lane {
  font-size: 11px;
  opacity: 0.85;
  margin-top: 2px;
}
.mark-name {
  font-size: 12px;
  font-weight: 700;
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mark-score {
  font-size: 11px;
  opacity: 0.85;
  margin-top: 2px;
  font-family: "Times New Roman", serif;
}

.buy-hints {
  background: rgba(0,0,0,0.18);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
}
.hint-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.18);
}
.hint-row:last-child { border-bottom: none; }
.hint-label { font-weight: 700; opacity: 0.9; }
.hint-value { font-family: "Times New Roman", serif; }

/* 出走表 */
.scroll {
  overflow-x: auto;
  margin: 0 -8px;
  padding: 0 8px;
}
.racetable {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  white-space: nowrap;
}
.racetable th, .racetable td {
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.racetable th {
  background: var(--cream);
  font-weight: 700;
  color: var(--navy);
  font-size: 11px;
  letter-spacing: 0.3px;
  position: sticky;
  top: 0;
  text-align: center;
}
.racetable td.num { text-align: right; font-variant-numeric: tabular-nums; }
.racetable td.num.score { font-weight: 700; color: var(--navy); }
.racetable td.lane-cell { text-align: center; }
.racetable td.mark-cell { text-align: center; font-size: 16px; font-weight: 900; }
.racetable td.name-cell { font-weight: 700; min-width: 100px; }
.racetable td.name-cell .dim { font-size: 10px; font-weight: 400; }

/* 艇番カラー（ボートレース慣例: 1白/2黒/3赤/4青/5黄/6緑） */
.lane-num {
  display: inline-block;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  font-weight: 700;
  font-size: 12px;
  border-radius: 50%;
}
.lane-1 .lane-num { background: #fff; color: #000; border: 1.5px solid #000; }
.lane-2 .lane-num { background: #000; color: #fff; }
.lane-3 .lane-num { background: #d33; color: #fff; }
.lane-4 .lane-num { background: #248; color: #fff; }
.lane-5 .lane-num { background: #fc0; color: #000; }
.lane-6 .lane-num { background: #2a3; color: #fff; }

.dim { color: var(--dim); }

/* 3行予想 (Claude API出力) */
.three-lines {
  background: rgba(255,255,255,0.92);
  color: var(--text);
  border-radius: 6px;
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 14px;
  line-height: 1.55;
}
.three-lines p {
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  position: relative;
  padding-left: 22px;
}
.three-lines p:last-child { border-bottom: none; }
.three-lines p::before {
  position: absolute;
  left: 4px;
  font-weight: 900;
  color: var(--water);
}
.three-lines p:nth-child(1)::before { content: "①"; }
.three-lines p:nth-child(2)::before { content: "②"; }
.three-lines p:nth-child(3)::before { content: "③"; }

/* 荒れ度メーター */
.chaos-card { background: linear-gradient(135deg, #f5e8d8 0%, #fff 70%); }
.chaos-meter { padding: 4px 0; }
.chaos-bar {
  height: 18px;
  background: var(--cream);
  border-radius: 9px;
  overflow: hidden;
  position: relative;
}
.chaos-fill {
  height: 100%;
  background: linear-gradient(90deg, #2e7d32 0%, #B8963E 50%, #a94e26 100%);
  transition: width 0.5s ease;
}
.chaos-label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--navy);
  text-align: right;
}
.chaos-num {
  font-family: "Times New Roman", serif;
  font-size: 22px;
  font-weight: 900;
  margin-right: 4px;
}

/* 勝負/様子見/中間 推奨表示 */
.betting-rec {
  margin-top: 12px;
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13px;
}
.betting-rec .rec-title {
  font-weight: 900;
  font-size: 15px;
  margin-bottom: 6px;
}
.betting-rec .rec-detail {
  font-size: 12.5px;
  line-height: 1.55;
}
.betting-rec.rec-go {
  background: linear-gradient(135deg, #fef0e8 0%, #ffe5d3 100%);
  border-left: 4px solid var(--rust);
}
.betting-rec.rec-go .rec-title { color: var(--rust); }
.betting-rec.rec-hold {
  background: #f0f0f0;
  border-left: 4px solid var(--dim);
}
.betting-rec.rec-hold .rec-title { color: var(--sub); }
.betting-rec.rec-mid {
  background: #fffce5;
  border-left: 4px solid var(--gold);
}
.betting-rec.rec-mid .rec-title { color: var(--gold); }

/* 福岡特化 */
.fukuoka-card { background: #f0f7ff; border-color: #c0d4e8; }
.fukuoka-notes {
  list-style: none;
  padding: 0;
  font-size: 13px;
}
.fukuoka-notes li {
  padding: 5px 0;
  border-bottom: 1px dotted var(--border);
}
.fukuoka-notes li:last-child { border-bottom: none; }
.fukuoka-notes b { color: var(--water); }

/* 推奨戦略カード */
.strategy-card {
  background: linear-gradient(135deg, var(--navy) 0%, #2d3a5f 100%);
  color: #fff;
  border: none;
}
.strategy-card h3 { color: var(--gold); }
.strat-headline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.strat-emoji { font-size: 22px; }
.strat-strategy {
  font-weight: 900;
  background: rgba(255,255,255,0.18);
  padding: 4px 10px;
  border-radius: 4px;
}
.strat-bet {
  font-weight: 900;
  color: var(--gold);
  background: rgba(184,150,62,0.18);
  padding: 4px 10px;
  border-radius: 4px;
}
.strat-roi {
  font-family: "Times New Roman", serif;
  font-size: 36px;
  font-weight: 900;
  color: var(--gold);
  margin: 8px 0;
}
.strat-roi b { font-size: 42px; }
.strat-detail {
  font-size: 13px;
  line-height: 1.6;
  background: rgba(0,0,0,0.18);
  padding: 8px 12px;
  border-radius: 4px;
}

/* バックテスト結果カード */
.backtest-card { background: #f8f5ee; border-color: #e0d4b0; }
.bt-section-title {
  font-size: 12px;
  color: var(--navy);
  font-weight: 700;
  margin: 14px 0 4px;
  padding-bottom: 3px;
  border-bottom: 1px dashed var(--border);
}
.backtest-metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin: 10px 0 4px;
}
@media(max-width:520px) {
  .backtest-metrics { grid-template-columns: repeat(3, 1fr); }
}
.bt-cell {
  background: #fff;
  border-radius: 6px;
  padding: 8px 6px;
  text-align: center;
  border: 1px solid var(--border);
}
.bt-cell.great { background: linear-gradient(180deg, #f0f7ee 0%, #fff 70%); border-color: #c4dfb8; }
.bt-cell.good { background: linear-gradient(180deg, #f5f1e0 0%, #fff 70%); border-color: #d8c98a; }
.bt-cell.mid { background: linear-gradient(180deg, #f0eded 0%, #fff 70%); }
.bt-cell.low { background: linear-gradient(180deg, #f7eee8 0%, #fff 70%); }
.bt-label { font-size: 11px; color: var(--sub); }
.bt-value {
  font-family: "Times New Roman", serif;
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.1;
  margin: 2px 0;
}
.bt-unit { font-size: 11px; font-weight: normal; color: var(--sub); margin-left: 1px; }
.bt-frac { font-size: 10px; color: var(--dim); }

/* 直前情報 */
.weather-info {
  font-size: 13px;
  color: var(--navy);
  background: var(--cream);
  padding: 8px 12px;
  border-radius: 4px;
  margin-bottom: 10px;
}

footer {
  margin-top: 32px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
footer .dim { font-size: 11px; line-height: 1.6; }