:root {
      --primary: #76b900;
      --primary-dark: #609700;
      --primary-light: #adff2f;
      --primary-text: #000;
      --accent: #ff9800;
      --accent-orange: #ff6f00;
      --bg: #f5f7fa;
      --surface: #ffffff;
      --text: #000;
      --muted: #607d8b;
      --border: #cfd8dc;
      --success: #2e7d32;
      --danger: #c62828;
      --shadow: 0 2px 8px rgba(0,0,0,0.08);
      --radius: 12px;
    --header-offset: 56px;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Sans", "Noto Sans JP", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }

    header {
      background: linear-gradient(90deg, var(--primary), var(--primary-light));
      color: var(--primary-text);
      padding: 1rem;
      box-shadow: var(--shadow);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .header-inner {
      max-width: 960px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .venue-bar {
      background: rgba(255, 255, 255, 0.35);
      margin-top: 0.75rem;
      padding: 0.75rem 1rem;
      border-top: 1px solid rgba(27, 58, 8, 0.18);
      border: 1px solid var(--border);
    }

    .venue-bar[hidden] { display: none; }

    .venue-bar-inner {
      max-width: 960px;
      margin: 0 auto;
      display: flex;
      align-items: baseline;
      gap: 0.75rem;
      flex-wrap: wrap;
    }

    .venue-label {
      font-size: 0.8rem;
      opacity: 0.85;
      letter-spacing: 0.05em;
    }

    .venue-name {
      font-size: 1.75rem;
      font-weight: 800;
      letter-spacing: 0.05em;
      line-height: 1.1;
    }

    .venue-race {
      font-size: 1.1rem;
      font-weight: 700;
      opacity: 0.95;
      margin-left: auto;
    }

    header h1 {
      margin: 0;
      font-size: 1.15rem;
      font-weight: 700;
    }

    header h1 span {
      display: block;
      font-size: 0.7rem;
      font-weight: 400;
      opacity: 0.85;
    }

    main {
      max-width: 960px;
      margin: 0 auto;
      padding: 0.75rem 1rem;
      position: relative;
      z-index: 0;
      padding-top: 0.25rem;
      scroll-margin-top: var(--header-offset);
    }

    #predictions {
      scroll-margin-top: var(--header-offset);
    }

    .controls {
      background: var(--surface);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 0.5rem 0.75rem;
      margin-bottom: 0.5rem;
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      align-items: center;
      border: 1px solid var(--border);
    }

    .controls label {
      font-weight: 600;
      color: var(--text);
      font-size: 0.85rem;
    }

    .controls input[type="date"] {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 0.55rem 0.75rem;
      font-size: 1rem;
      color: var(--text);
      background: #fff;
      flex: 1 1 160px;
      min-width: 160px;
    }

    .btn {
      border: none;
      border-radius: 8px;
      padding: 0.6rem 1rem;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.05s, box-shadow 0.15s;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.35rem;
      border: 1px solid var(--border);
    }

    .btn:active { transform: translateY(1px); }

    .btn:focus-visible {
      outline: 2px solid var(--primary-dark);
      outline-offset: 2px;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--primary-text);
      box-shadow: 0 2px 4px rgba(118,185,0,0.25);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
    }

    .btn-secondary {
      background: #fff;
      color: var(--primary-text);
    }

    .btn-small {
      padding: 0.35rem 0.7rem;
      font-size: 0.85rem;
      border-radius: 6px;
    }

    .section-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin: 0 0 0.5rem;
      color: var(--primary-text);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .stadium-group {
      background: var(--surface);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 0.65rem;
      margin-bottom: 0.65rem;
      border: 1px solid var(--border);
    }

    .stadium-group .group-header {
      display: flex;
      align-items: baseline;
      gap: 0.5rem;
      margin: 0 0 0.6rem;
      padding: 0.4rem 0.6rem;
      border-radius: 8px;
      background: linear-gradient(90deg, var(--primary), var(--primary-light));
      color: var(--primary-text);
      border: 1px solid var(--border);
    }

    .stadium-group .group-title {
      font-size: 1.5rem;
      font-weight: 800;
      letter-spacing: 0.04em;
      color: var(--primary-text);
    }

    .stadium-group .group-meta {
      font-size: 0.85rem;
      color: var(--primary-text);
      opacity: 0.85;
      margin-left: auto;
      font-weight: 600;
    }

    .recommendations-group .group-header {
      background: linear-gradient(90deg, var(--accent-orange), #ff8f00);
      color: #ffffff;
      border: 1px solid var(--border);
    }

    .recommendations-group .group-title { color: #ffffff; }
    .recommendations-group .group-meta { color: rgba(255, 255, 255, 0.9); }
    .recommendations-group .race-card {
      border-color: #ffcc80;
      background: #fff8e1;
    }
    .recommendations-group .race-card .race-venue { color: var(--accent-orange); }
    .recommendations-group .race-card .race-no { color: #bf360c; }
    .recommendations-group .race-card.past .race-venue { color: #90a4ae; }
    .recommendations-group .empty-rec {
      padding: 1rem 0.8rem;
      color: rgba(255,255,255,0.85);
      font-size: 0.95rem;
      text-align: center;
    }

    /* 日次購入プラン */
    .plan-group .group-header {
      background: linear-gradient(90deg, #1565c0, #42a5f5);
      color: #ffffff;
      border: 1px solid var(--border);
    }
    .plan-group .group-title { color: #ffffff; }
    .plan-group .group-meta { color: rgba(255, 255, 255, 0.9); }
    .plan-summary {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      padding: 0.6rem 0.8rem;
      background: #e3f2fd;
      border-radius: 8px;
      margin-bottom: 0.5rem;
      border: 1px solid #90caf9;
    }
    .plan-summary-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      min-width: 80px;
    }
    .plan-summary-item .plan-label {
      font-size: 0.7rem;
      color: #546e7a;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .plan-summary-item .plan-value {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0d47a1;
    }
    .plan-summary-item .plan-value.pos { color: #15803d; }
    .plan-summary-item .plan-value.neg { color: #b91c1c; }
    .plan-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.85rem;
    }
    .plan-table th {
      background: #e3f2fd;
      padding: 0.4rem 0.5rem;
      text-align: center;
      font-weight: 700;
      border-bottom: 2px solid #90caf9;
      white-space: nowrap;
    }
    .plan-table td {
      padding: 0.4rem 0.5rem;
      text-align: center;
      border-bottom: 1px solid #e0e0e0;
    }
    .plan-table tr:hover { background: #f5f5f5; }
    .plan-table .trifecta-cell {
      font-weight: 700;
      font-size: 0.9rem;
    }
    .plan-table .stake-cell {
      font-weight: 700;
      color: #0d47a1;
    }
    .plan-table .hit-cell.hit { color: #15803d; font-weight: 700; }
    .plan-table .hit-cell.miss { color: #b91c1c; }
    .plan-table .profit-cell.pos { color: #15803d; font-weight: 700; }
    .plan-table .profit-cell.neg { color: #b91c1c; }

    .race-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
      gap: 0.5rem;
    }

    .race-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 0.85rem 0.5rem;
      text-align: center;
      cursor: pointer;
      transition: border-color 0.15s, box-shadow 0.15s;
      box-shadow: var(--shadow);
    }

    .race-card.past {
      background: #eceff1;
      border-color: #cfd8dc;
      color: #90a4ae;
      box-shadow: none;
      opacity: 0.7;
    }
    .race-card.past .race-no { color: #78909c; }
    .race-card.past .race-venue { color: #90a4ae; }
    .race-card.past .race-time { color: #90a4ae; }
    .race-card.past .r-label { color: #90a4ae; }

    .race-card:hover, .race-card.active {
      border-color: var(--primary-dark);
      box-shadow: 0 4px 12px rgba(118,185,0,0.25);
    }

    .race-card .race-venue {
      display: block;
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary-text);
      letter-spacing: 0.02em;
      line-height: 1.1;
      margin-bottom: 0.2rem;
    }

    .race-card .race-no {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text);
    }

    .race-card .race-time {
      display: block;
      margin-top: 0.2rem;
      font-size: 0.85rem;
      color: #546e7a;
      font-weight: 600;
      font-variant-numeric: tabular-nums;
    }

    .race-card .r-label {
      font-size: 0.65rem;
      color: var(--muted);
    }

    .prediction-list {
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
    }

    .prediction-card {
      background: var(--surface);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
      border: 1px solid var(--border);
    }

    .prediction-card.value-bet {
      border-left: 5px solid var(--accent);
    }

    .pred-header {
      padding: 0.9rem 1rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      border-bottom: 1px solid var(--border);
    }

    .pred-title {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary-text);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .pred-rank {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 2rem;
      height: 2rem;
      padding: 0 0.5rem;
      background: var(--primary);
      color: var(--primary-text);
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 800;
    }

    .value-badge {
      background: var(--accent);
      color: #fff;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 0.2rem 0.5rem;
      border-radius: 999px;
    }

    .hit-badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.2rem 0.5rem;
      border-radius: 999px;
      display: inline-block;
    }
    .hit-badge.hit {
      background: #2e7d32;
      color: #fff;
    }
    .hit-badge.miss {
      background: #c62828;
      color: #fff;
    }

    .pred-summary {
      padding: 0.6rem 1rem 0.8rem;
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem 1.25rem;
      background: #f8fafc;
      border-bottom: 1px solid var(--border);
      font-size: 0.9rem;
      color: var(--text);
    }

    .pred-summary .summary-item {
      display: flex;
      align-items: baseline;
      gap: 0.35rem;
    }

    .pred-summary .summary-label {
      color: var(--muted);
      font-size: 0.78rem;
    }

    .pred-summary .summary-value {
      font-weight: 700;
    }

    .pred-boats {
      padding: 0.6rem 1rem 0.4rem;
    }

    .pred-boats-title {
      font-size: 0.78rem;
      color: var(--muted);
      font-weight: 600;
      letter-spacing: 0.04em;
      margin-bottom: 0.4rem;
    }

    .boat-list {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
    }

    .boat-row {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.4rem 0.55rem;
      background: #f5f7fa;
      border-radius: 8px;
      font-size: 0.9rem;
      border: 1px solid var(--border);
    }

    .boat-rank {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 1.6rem;
      height: 1.6rem;
      background: var(--primary);
      color: var(--primary-text);
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 800;
      padding: 0 0.3rem;
      border: 1px solid var(--border); 
    }
    .boat-rank.boat-no-1 { background: #f5f5f5; color: #212121; }
    .boat-rank.boat-no-2 { background: #212121; color: #ffffff; }
    .boat-rank.boat-no-3 { background: #e53935; color: #ffffff; }
    .boat-rank.boat-no-4 { background: #1e88e5; color: #ffffff; }
    .boat-rank.boat-no-5 { background: #fdd835; color: #212121; }
    .boat-rank.boat-no-6 { background: #43a047; color: #ffffff; }

    .boat-name {
      flex: 1;
      font-weight: 600;
      color: var(--text);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .boat-meta {
      font-size: 0.78rem;
      color: var(--muted);
      display: flex;
      gap: 0.5rem;
    }

    .boat-class {
      display: inline-block;
      padding: 0.1rem 0.4rem;
      border-radius: 4px;
      font-size: 0.7rem;
      font-weight: 700;
      color: #fff;
    }
    .boat-class.A1 { background: #c62828; }
    .boat-class.A2 { background: #ef6c00; }
    .boat-class.B1 { background: #1565c0; }
    .boat-class.B2 { background: #2e7d32; }

    .start-list-wrapper {
      margin: 0.6rem 1rem 0.4rem;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 8px;
      padding: 0.5rem 0.6rem 0.7rem;
    }
    .start-list-title {
      font-size: 0.78rem;
      color: var(--muted);
      font-weight: 600;
      letter-spacing: 0.04em;
      padding: 0 0 0.4rem;
    }

    .start-list-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 0.5rem;
    }
    .start-list-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-left-width: 16px;
      border-radius: 8px;
      padding: 0.55rem 0.6rem 0.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.15rem;
    }
    .start-list-card.boat-no-1 { border-left-color: #f5f5f5; }
    .start-list-card.boat-no-2 { border-left-color: #212121; }
    .start-list-card.boat-no-3 { border-left-color: #e53935; }
    .start-list-card.boat-no-4 { border-left-color: #1e88e5; }
    .start-list-card.boat-no-5 { border-left-color: #fdd835; }
    .start-list-card.boat-no-6 { border-left-color: #43a047; }
    .start-list-card .card-head {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      border-bottom: 1px dashed var(--border);
      padding-bottom: 0.35rem;
      margin-bottom: 0.25rem;
    }
    .start-list-card .boat-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 1.8rem;
      height: 1.8rem;
      background: var(--primary);
      color: var(--primary-text);
      border-radius: 6px;
      font-size: 0.9rem;
      font-weight: 800;
      padding: 0 0.4rem;
      border: 1px solid var(--border);
    }
    .start-list-card.boat-no-1 .boat-no { background: #f5f5f5; color: #212121; }
    .start-list-card.boat-no-2 .boat-no { background: #212121; color: #ffffff; }
    .start-list-card.boat-no-3 .boat-no { background: #e53935; color: #ffffff; }
    .start-list-card.boat-no-4 .boat-no { background: #1e88e5; color: #ffffff; }
    .start-list-card.boat-no-5 .boat-no { background: #fdd835; color: #212121; }
    .start-list-card.boat-no-6 .boat-no { background: #43a047; color: #ffffff; }
    .start-list-card .player-name {
      flex: 1;
      font-weight: 700;
      font-size: 0.92rem;
      color: var(--text);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .start-list-card .sub-info {
      font-size: 0.7rem;
      color: var(--muted);
      padding: 0 0 0.3rem;
    }
    .start-list-card .group {
      display: grid;
      grid-template-columns: 5em 1fr;
      column-gap: 0.4rem;
      row-gap: 0.05rem;
      padding: 0.2rem 0;
      font-size: 0.8rem;
      align-items: baseline;
      text-align: left;
    }
    .start-list-card .group:nth-child(odd) {
      background: rgba(212, 255, 122, 0.25);
    }
    .start-list-card .group .label {
      color: var(--primary-text);
      font-weight: 700;
      font-size: 0.78rem;
      text-align: left;
    }
    .start-list-card .group .value {
      color: var(--text);
      font-variant-numeric: tabular-nums;
    }
    .start-list-card .group .value .sub {
      color: var(--text);
      font-size: 0.76rem;
      margin-left: 0.25rem;
    }
    .start-list-card .footer-row {
      display: flex;
      gap: 0.6rem;
      flex-wrap: wrap;
      border-top: 1px dashed var(--border);
      padding-top: 0.35rem;
      margin-top: 0.25rem;
      font-size: 0.78rem;
    }
    .start-list-card .footer-row .item {
      display: flex;
      gap: 0.25rem;
      align-items: baseline;
    }
    .start-list-card .footer-row .label {
      color: var(--muted);
      font-size: 0.7rem;
    }
    .start-list-card .footer-row .value {
      color: var(--text);
      font-weight: 600;
      font-variant-numeric: tabular-nums;
    }
    .start-list-card .today-results {
      font-size: 0.7rem;
      color: var(--muted);
      border-top: 1px dashed var(--border);
      padding-top: 0.3rem;
      margin-top: 0.15rem;
      line-height: 1.45;
    }
    .start-list-card .today-results .missing { color: var(--muted); }
    .start-list-card .today-results-text {
      font-size: 0.7rem;
      color: var(--muted);
      line-height: 1.45;
    }
    .start-list-card .today-results-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.72rem;
      margin-top: 0.15rem;
    }
    .start-list-card .today-results-table th {
      background: rgba(0,0,0,0.04);
      font-weight: 600;
      padding: 0.15rem 0.25rem;
      text-align: center;
      border-bottom: 1px solid var(--border);
      color: var(--text);
    }
    .start-list-card .today-results-table td {
      padding: 0.15rem 0.25rem;
      text-align: center;
      border-bottom: 1px solid rgba(0,0,0,0.06);
      font-variant-numeric: tabular-nums;
    }
    .start-list-card .today-results-table .frame-cell {
      font-weight: 700;
      color: var(--text);
    }
    .start-list-card .today-results-table .course-cell {
      font-weight: 700;
      color: var(--accent-orange);
    }
    .start-list-card .today-results-table .finish-cell {
      font-weight: 700;
    }
    .start-list-card .today-results-table tr:last-child td {
      border-bottom: none;
    }

    /* レース結果バナー — 艇番カラーラベル + コンパクト表示 */
    .result-banner {
      background: #e8f5e9;
      border: 1px solid #a5d6a7;
      border-radius: var(--radius);
      padding: 0.5rem 0.75rem;
      margin-bottom: 0.65rem;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem 0.75rem;
    }
    .result-banner-header {
      display: flex;
      align-items: baseline;
      gap: 0.5rem;
      flex-wrap: wrap;
    }
    .result-banner-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #1b5e20;
    }
    .result-banner-payout {
      font-size: 0.78rem;
      color: #2e7d32;
      font-weight: 600;
    }
    .result-banner-body {
      display: flex;
      align-items: center;
      gap: 0.3rem;
      flex-wrap: wrap;
    }
    .result-boat-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 1.6rem;
      height: 1.6rem;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 800;
      padding: 0 0.3rem;
      border: 1px solid var(--border);
    }
    .result-boat-badge.boat-no-1 { background: #f5f5f5; color: #212121; }
    .result-boat-badge.boat-no-2 { background: #212121; color: #ffffff; }
    .result-boat-badge.boat-no-3 { background: #e53935; color: #ffffff; }
    .result-boat-badge.boat-no-4 { background: #1e88e5; color: #ffffff; }
    .result-boat-badge.boat-no-5 { background: #fdd835; color: #212121; }
    .result-boat-badge.boat-no-6 { background: #43a047; color: #ffffff; }
    .result-order-label {
      font-size: 0.78rem;
      font-weight: 700;
      color: #1b5e20;
      margin-left: 0.15rem;
    }
    .result-arrow {
      font-size: 0.85rem;
      color: #2e7d32;
      font-weight: 700;
      margin: 0 0.1rem;
    }

    .pred-section-title {
      font-size: 0.78rem;
      color: var(--muted);
      font-weight: 600;
      letter-spacing: 0.04em;
      padding: 0.6rem 1rem 0.2rem;
    }

    .reason-list {
      list-style: none;
      margin: 0;
      padding: 0 1rem 0.9rem;
      display: flex;
      flex-direction: column;
      gap: 0.3rem;
      font-size: 0.88rem;
      color: var(--text);
    }

    .reason-list li {
      display: flex;
      gap: 0.5rem;
      align-items: baseline;
    }

    .reason-list li::before {
      content: "・";
      color: var(--primary-dark);
      font-weight: 800;
    }

    .reason-list .reason-tag {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary-text);
      border-radius: 4px;
      padding: 0.05rem 0.4rem;
      font-size: 0.72rem;
      font-weight: 600;
      margin-right: 0.3rem;
    }

    .reason-summary {
      padding: 0.3rem 1rem 0.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.32rem;
      font-size: 0.84rem;
      line-height: 1.5;
      color: var(--text);
    }
    .reason-block {
      border-top: 1px dashed var(--border);
      padding: 0.4rem 0 0.2rem;
    }
    .reason-block:first-child { border-top: none; padding-top: 0.1rem; }
    .reason-block-head {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary-text);
      margin-bottom: 0.15rem;
      letter-spacing: 0.02em;
    }
    .reason-sentence {
      font-size: 0.85rem;
      line-height: 1.65;
      color: var(--text);
      padding: 0.1rem 0.1rem 0.15rem;
    }
    .explain-notice {
      font-size: 0.75rem;
      color: #b91c1c;
      background: #fef2f2;
      border: 1px solid #fecaca;
      border-radius: 6px;
      padding: 0.4rem 0.6rem;
      margin-bottom: 0.4rem;
    }

    @media (max-width: 600px) {
      .reason-sentence { font-size: 0.8rem; }
    }

    .message {
      padding: 1rem;
      border-radius: var(--radius);
      text-align: center;
      background: var(--surface);
      box-shadow: var(--shadow);
      color: var(--muted);
    }

    .message.error {
      color: var(--danger);
      background: #ffebee;
    }

    .spinner {
      display: inline-block;
      width: 1.2rem;
      height: 1.2rem;
      border: 2px solid rgba(255,255,255,0.3);
      border-top-color: #fff;
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
      vertical-align: middle;
      margin-right: 0.4rem;
    }

    @keyframes spin { to { transform: rotate(360deg); } }

    @media (max-width: 600px) {
      header h1 { font-size: 1rem; }
      header { padding: 0.6rem 0.75rem; }
      .header-inner { flex-wrap: wrap; gap: 0.5rem; }
      .controls { flex-direction: row; flex-wrap: wrap; align-items: center; padding: 0.6rem 0.75rem; gap: 0.4rem; }
      .controls label { font-size: 0.8rem; }
      .controls input[type="date"] { width: auto; flex: 1 1 120px; min-width: 120px; padding: 0.4rem 0.5rem; font-size: 0.9rem; }
      .btn { width: auto; padding: 0.4rem 0.7rem; font-size: 0.85rem; }
      .btn-small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
      .stadium-group { padding: 0.5rem; }
      .race-grid { grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 0.35rem; }
      .pred-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
      .venue-name { font-size: 1.4rem; }
      .venue-race { font-size: 1rem; }
      .stadium-group .group-title { font-size: 1.2rem; }
      .pred-title { font-size: 1.25rem; }
      .start-list-wrapper { margin: 0.5rem 0.6rem 0.3rem; padding: 0.4rem 0.5rem 0.6rem; }
      .start-list-grid { grid-template-columns: 1fr; }
      .start-list-card { padding: 0.5rem 0.55rem 0.45rem; }
      .start-list-card .player-name { font-size: 0.86rem; }
      .start-list-card .group { font-size: 0.76rem; grid-template-columns: 3.5em 1fr; }
      .start-list-card .group .label { font-size: 0.74rem; }
      .start-list-card .footer-row { font-size: 0.72rem; gap: 0.4rem; }
      .reason-summary { font-size: 0.76rem; padding: 0.25rem 0.75rem 0.35rem; }
    }

    .modal-overlay {
      position: fixed; inset: 0;
      background: rgba(15, 23, 42, 0.6);
      display: flex; align-items: center; justify-content: center;
      z-index: 1000;
      padding: 1.5rem;
    }
    .modal-overlay[hidden] { display: none; }
    .modal-card {
      background: var(--surface, #fff);
      color: var(--text, #1e293b);
      border-radius: var(--radius, 12px);
      border: 1px solid var(--border, #e2e8f0);
      box-shadow: var(--shadow, 0 12px 40px rgba(0,0,0,0.35));
      max-width: 1100px;
      width: 100%;
      max-height: 90vh;
      overflow-y: auto;
      padding: 0;
      display: flex; flex-direction: column;
    }
    .modal-header {
      display: flex; align-items: center; justify-content: space-between;
      padding: 1rem 1.4rem;
      border-bottom: 1px solid var(--border, #e2e8f0);
    }
    .modal-header h2 { margin: 0; font-size: 1.15rem; color: var(--primary-text); }
    .plan-history-controls {
      display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
      padding: 0.75rem 1.4rem;
      border-bottom: 1px solid var(--border, #e2e8f0);
      background: var(--surface-alt, #f8fafc);
    }
    .plan-history-controls label { font-size: 0.85rem; color: var(--text-muted, #475569); }
    .plan-history-controls input[type="date"] {
      font: inherit; padding: 0.25rem 0.45rem;
      border: 1px solid var(--border, #e2e8f0); border-radius: 6px;
      background: var(--surface, #fff);
    }
    .plan-history-controls .btn-preset,
    .plan-history-controls .btn-apply {
      font: inherit; cursor: pointer;
      padding: 0.3rem 0.7rem;
      border: 1px solid var(--border, #e2e8f0);
      border-radius: 6px;
      background: var(--surface, #fff);
    }
    .modal-close {
      background: transparent; border: 0; cursor: pointer;
      font-size: 1.6rem; line-height: 1; color: var(--muted, #64748b);
      padding: 0.2rem 0.6rem;
    }
    .modal-close:hover { color: var(--text, #1e293b); }
    .modal-body { padding: 1.2rem 1.4rem; }
    .bt-meta {
      font-size: 0.8rem; color: var(--muted, #64748b);
      margin-bottom: 1rem;
    }
    .bt-error {
      background: #fef2f2; border: 1px solid #fecaca; color: #991b1b;
      padding: 0.75rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem;
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 0.75rem;
      margin-bottom: 1.2rem;
    }
    .kpi-card {
      background: #f8fafc;
      border: 1px solid var(--border, #e2e8f0);
      border-radius: 8px;
      padding: 0.75rem 0.9rem;
    }
    .kpi-card .kpi-label {
      font-size: 0.75rem; color: var(--muted, #64748b); margin-bottom: 0.25rem;
    }
    .kpi-card .kpi-value {
      font-size: 1.2rem; font-weight: 700;
      font-variant-numeric: tabular-nums;
    }
    .kpi-card .kpi-value.pos { color: #15803d; }
    .kpi-card .kpi-value.hi { color: #15803d; font-weight: 800; }
    .kpi-card .kpi-value.neg { color: #b91c1c; }
    /* ui-guidelines §1: 低サンプル時の警告色（参考値バッジと併用） */
    .kpi-card .kpi-value.warn { color: #b45309; }
    .low-sample-badge {
      display: inline-block; margin-left: 0.4rem; padding: 0.05rem 0.45rem;
      border-radius: 999px; font-size: 0.72rem; font-weight: 600;
      color: #92400e; background: rgba(180, 83, 9, 0.12);
      border: 1px solid rgba(180, 83, 9, 0.35);
    }
    .bt-section-title {
      font-size: 0.95rem; font-weight: 600;
      color: var(--text, #1e293b);
      margin: 1.1rem 0 0.5rem 0;
    }
    .bt-table {
      width: 100%; border-collapse: collapse; font-size: 0.85rem;
    }
    .bt-table th, .bt-table td {
      padding: 0.4rem 0.6rem; text-align: right;
      border-bottom: 1px solid var(--border, #e2e8f0);
    }
    .bt-table > thead > th {
      background: #f1f5f9; font-weight: 600; color: #334155;
    }
    .bt-table th:first-child, .bt-table td:first-child { text-align: left; }
    .bt-table .pos { color: #15803d; }
    .bt-table .neg { color: #b91c1c; }
    .breakdown-tabs { display: flex; gap: 0.4rem; margin-bottom: 0.5rem; }
    .breakdown-tabs button {
      background: transparent; border: 1px solid var(--border, #e2e8f0);
      padding: 0.25rem 0.7rem; border-radius: 999px;
      font-size: 0.8rem; color: var(--muted, #64748b); cursor: pointer;
    }
    .breakdown-tabs button.active {
      background: var(--primary); color: var(--primary-text); border-color: transparent;
    }