:root {
      --bg: #FAFAF7;
      --bg-light: #F3F1EC;
      --bg-warm: #EDE9E0;
      --green: #2EBD6B;
      --green-dark: #1A8A4A;
      --green-pale: #E8F5EE;
      --gold: #B8963E;
      --text: #1A1816;
      --text-body: #3D3832;
      --text-mid: #6B635A;
      --text-light: #9E958A;
      --border: rgba(0, 0, 0, 0.09);
      --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
      --font-h: 'Shippori Mincho', serif;
      --font-b: 'Noto Sans JP', sans-serif;
      --font-a: 'Space Grotesk', sans-serif;
      --r: 10px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      font-size: 16px;
      scroll-behavior: smooth;
    }

    body {
      background: var(--bg);
      color: var(--text-body);
      font-family: var(--font-b);
      line-height: 1.7;
    }

    a {
      color: var(--green-dark);
    }

    /* ── Layout ── */
    .page {
      max-width: 680px;
      margin: 0 auto;
      padding: 0 1rem 6rem;
    }

    .page-header {
      text-align: center;
      padding: 2.5rem 0 2rem;
      border-bottom: 1px solid var(--border);
      margin-bottom: 2rem;
    }

    .page-header h1 {
      font-family: var(--font-h);
      font-size: clamp(1.4rem, 4vw, 1.8rem);
      color: var(--text);
      margin-bottom: 0.4rem;
    }

    .page-header p {
      color: var(--text-mid);
      font-size: 0.9rem;
    }

    .back-link {
      display: inline-block;
      font-size: 0.85rem;
      color: var(--text-mid);
      margin-bottom: 1.5rem;
    }

    .back-link:hover {
      color: var(--green);
    }

    /* ── Section ── */
    .section {
      margin-bottom: 2rem;
    }

    .section-title {
      font-family: var(--font-h);
      font-size: 1.05rem;
      color: var(--text);
      padding: 0.6rem 0;
      border-bottom: 2px solid var(--green);
      margin-bottom: 1.2rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .section-title .num {
      font-family: var(--font-a);
      font-size: 0.7rem;
      background: var(--green);
      color: #fff;
      border-radius: 50%;
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* ── Form fields ── */
    label {
      display: block;
      font-size: 0.85rem;
      color: var(--text-mid);
      margin-bottom: 0.3rem;
    }

    label .req {
      color: var(--green);
      margin-left: 2px;
    }

    input[type=text],
    input[type=email],
    input[type=tel],
    textarea {
      width: 100%;
      padding: 0.65rem 0.9rem;
      border: 1px solid var(--border);
      border-radius: var(--r);
      background: #fff;
      font-family: var(--font-b);
      font-size: 0.95rem;
      color: var(--text);
      transition: border-color 0.2s;
    }

    input:focus,
    textarea:focus {
      outline: none;
      border-color: var(--green);
    }

    textarea {
      resize: vertical;
      min-height: 80px;
    }

    .field {
      margin-bottom: 1rem;
    }

    .row-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
    }

    /* ── Party size ── */
    .party-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 0.75rem;
    }

    .party-item label {
      margin-bottom: 0.25rem;
    }

    .qty-ctrl {
      display: flex;
      align-items: center;
      border: 1px solid var(--border);
      border-radius: var(--r);
      overflow: hidden;
      background: #fff;
    }

    .qty-ctrl button {
      width: 40px;
      height: 40px;
      background: none;
      border: none;
      cursor: pointer;
      font-size: 1.1rem;
      color: var(--text-mid);
      transition: background 0.15s;
      flex-shrink: 0;
    }

    .qty-ctrl button:hover {
      background: var(--bg-light);
      color: var(--text);
    }

    .qty-ctrl .qty-val {
      flex: 1;
      text-align: center;
      font-family: var(--font-a);
      font-weight: 600;
      font-size: 1rem;
      color: var(--text);
      user-select: none;
      line-height: 40px;
    }

    .party-hint {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-top: 0.5rem;
      line-height: 1.5;
    }
    .pt-btn {
      padding: 0.4rem 1rem;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: #fff;
      font-size: 0.82rem;
      cursor: pointer;
      transition: all 0.2s;
    }
    .pt-btn.active {
      background: var(--green);
      color: #fff;
      border-color: var(--green);
    }

    /* ── Venue accordion ── */
    .venue-card {
      border: 1px solid var(--border);
      border-radius: var(--r);
      margin-bottom: 0.75rem;
      background: #fff;
      overflow: hidden;
      transition: box-shadow 0.2s;
    }

    .venue-card.selected {
      border-color: var(--green);
      box-shadow: 0 0 0 2px var(--green-pale);
    }

    .venue-header {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.9rem 1rem;
      cursor: pointer;
      user-select: none;
      min-height: 60px;
    }

    .venue-header:hover {
      background: var(--bg-light);
    }

    .venue-check {
      width: 22px;
      height: 22px;
      border-radius: 6px;
      border: 2px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: all 0.15s;
    }

    .venue-card.selected .venue-check {
      background: var(--green);
      border-color: var(--green);
    }

    .venue-check svg {
      display: none;
    }

    .venue-card.selected .venue-check svg {
      display: block;
    }

    .venue-emoji {
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    .venue-info {
      flex: 1;
      min-width: 0;
    }

    .venue-info .v-name {
      font-family: var(--font-h);
      font-size: 0.95rem;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .venue-info .v-meta {
      font-size: 0.78rem;
      color: var(--text-mid);
    }

    .venue-info .v-dates {
      font-family: var(--font-a);
      font-size: 0.75rem;
      color: var(--green-dark);
      font-weight: 500;
    }

    .venue-detail {
      padding: 0.6rem 0 0.2rem;
      font-size: 0.82rem;
      color: var(--text-mid);
      line-height: 1.6;
    }

    .venue-detail .vd-theme {
      font-family: var(--font-h);
      color: var(--text);
      margin-bottom: 0.3rem;
      white-space: pre-wrap;
    }

    .venue-detail .vd-note {
      font-size: 0.78rem;
      color: var(--text-light);
      white-space: pre-wrap;
    }

    .venue-detail .vd-guests {
      display: flex;
      flex-wrap: wrap;
      gap: 0.3rem;
      margin-top: 0.3rem;
    }

    .venue-detail .vd-guests span {
      font-size: 0.72rem;
      background: var(--bg-light);
      border-radius: 4px;
      padding: 0.1rem 0.5rem;
      color: var(--text-mid);
    }

    .venue-expand {
      color: var(--text-light);
      font-size: 0.85rem;
      flex-shrink: 0;
      transition: transform 0.2s;
    }

    .venue-card.open .venue-expand {
      transform: rotate(180deg);
    }

    .venue-body {
      display: none;
      padding: 0 1rem 1rem;
      border-top: 1px solid var(--border);
    }

    .venue-card.open .venue-body {
      display: block;
    }

    .venue-body-inner {
      padding-top: 0.9rem;
    }

    /* Days selector */
    .days-label {
      font-size: 0.8rem;
      color: var(--text-mid);
      margin-bottom: 0.5rem;
      font-weight: 500;
    }

    .days-opts {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 1rem;
      flex-wrap: wrap;
    }

    .day-opt {
      display: none;
    }

    .day-opt+label {
      padding: 0.4rem 0.85rem;
      border: 1px solid var(--border);
      border-radius: 20px;
      font-family: var(--font-a);
      font-size: 0.8rem;
      cursor: pointer;
      transition: all 0.15s;
      color: var(--text-mid);
    }

    .day-opt:checked+label {
      background: var(--green);
      border-color: var(--green);
      color: #fff;
    }

    /* Options */
    .opt-group {
      margin-bottom: 0.85rem;
    }

    .opt-group-title {
      font-size: 0.72rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--text-light);
      margin-bottom: 0.5rem;
    }

    .opt-row {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.55rem 0.7rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      margin-bottom: 0.4rem;
      background: var(--bg);
      transition: all 0.15s;
    }

    .opt-row.checked {
      background: var(--green-pale);
      border-color: rgba(46, 189, 107, 0.3);
    }

    .opt-row.full {
      opacity: 0.5;
      pointer-events: none;
    }

    .opt-cb {
      width: 18px;
      height: 18px;
      accent-color: var(--green);
      cursor: pointer;
      flex-shrink: 0;
    }

    .opt-name {
      flex: 1;
      font-size: 0.88rem;
      color: var(--text);
    }

    .opt-price {
      font-family: var(--font-a);
      font-size: 0.82rem;
      color: var(--text-mid);
      white-space: nowrap;
    }

    .opt-cap {
      font-size: 0.72rem;
      color: var(--text-light);
      white-space: nowrap;
    }

    .opt-cap.low {
      color: #E88C3E;
    }

    .opt-cap.full-label {
      color: #c0392b;
      font-weight: 600;
    }

    /* Capacity reached — closed venue card (non-interactive) */
    .venue-card.closed {
      border-color: #e3b9b0;
      background: #fdf3f1;
      opacity: 0.96;
    }

    .venue-header--closed {
      display: flex;
      align-items: center;
      gap: 0.7rem;
      padding: 0.9rem 1rem;
      cursor: default;
    }

    .venue-closed-badge {
      font-family: var(--font-a);
      font-size: 0.72rem;
      font-weight: 700;
      color: #fff;
      background: #b4452f;
      border-radius: 100px;
      padding: 0.22rem 0.6rem;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .venue-closed-banner {
      font-size: 0.85rem;
      font-weight: 700;
      color: #b4452f;
      background: #f7ddd6;
      border-top: 1px solid #e3b9b0;
      padding: 0.55rem 1rem;
      text-align: center;
    }

    .venue-closed-notes {
      font-size: 0.8rem;
      color: var(--text-mid);
      line-height: 1.7;
      padding: 0.7rem 1rem 0.9rem;
      white-space: pre-line;
    }

    .opt-qty {
      display: none;
      align-items: center;
      gap: 0;
    }

    .opt-row.checked .opt-qty {
      display: flex;
    }

    .opt-qty button {
      width: 28px;
      height: 28px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 6px;
      cursor: pointer;
      font-size: 1rem;
      color: var(--text-mid);
      line-height: 1;
    }

    .opt-qty button:hover {
      border-color: var(--green);
      color: var(--green);
    }

    .opt-qty .qv {
      min-width: 24px;
      text-align: center;
      font-family: var(--font-a);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text);
    }

    /* ── Sticky total footer ── */
    .total-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: var(--text);
      color: #fff;
      padding: 0.8rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 100;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    }

    .total-bar .tl {
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.6);
    }

    .total-bar .ta {
      font-family: var(--font-a);
      font-size: 1.2rem;
      font-weight: 600;
    }

    .total-bar .ta small {
      font-size: 0.7rem;
      font-weight: 400;
      opacity: 0.6;
      margin-left: 3px;
    }

    #submit-btn {
      background: var(--green);
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 0.6rem 1.4rem;
      font-family: var(--font-b);
      font-size: 0.9rem;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.2s;
      white-space: nowrap;
    }

    #submit-btn:hover {
      background: var(--green-dark);
    }

    #submit-btn:disabled {
      background: #aaa;
      cursor: not-allowed;
    }

    /* ── Confirmation screen ── */
    #conf-screen {
      display: none;
    }

    .conf-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--r);
      padding: 2rem 1.5rem;
      text-align: center;
      margin: 2rem 0;
    }

    .conf-card .conf-icon {
      font-size: 3rem;
      margin-bottom: 1rem;
    }

    .conf-card h2 {
      font-family: var(--font-h);
      font-size: 1.4rem;
      color: var(--text);
      margin-bottom: 0.5rem;
    }

    .conf-card p {
      color: var(--text-mid);
      font-size: 0.9rem;
      margin-bottom: 0.3rem;
    }

    .conf-id {
      display: inline-block;
      background: var(--bg-light);
      border-radius: 8px;
      padding: 0.5rem 1rem;
      font-family: var(--font-a);
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text);
      margin: 0.75rem 0;
    }

    .conf-total {
      font-family: var(--font-a);
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--green-dark);
      margin: 0.5rem 0;
    }

    .conf-venues {
      text-align: left;
      margin: 1rem 0;
      padding: 0.75rem 1rem;
      background: var(--bg-light);
      border-radius: 8px;
    }

    .conf-venues li {
      font-size: 0.88rem;
      color: var(--text-mid);
      margin-bottom: 0.25rem;
    }

    .cancel-btn {
      display: inline-block;
      margin-top: 1rem;
      padding: 0.5rem 1.2rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.85rem;
      color: var(--text-mid);
      cursor: pointer;
      background: none;
      transition: border-color 0.15s;
      font-family: var(--font-b);
    }

    .cancel-btn:hover {
      border-color: #c0392b;
      color: #c0392b;
    }

    /* ── Error / Loading ── */
    .error-msg {
      background: #fff0f0;
      border: 1px solid #ffcccc;
      border-radius: 8px;
      padding: 0.75rem 1rem;
      color: #c0392b;
      font-size: 0.88rem;
      margin-bottom: 1rem;
    }

    .loading {
      text-align: center;
      padding: 3rem;
      color: var(--text-light);
    }

    .spinner {
      display: inline-block;
      width: 32px;
      height: 32px;
      border: 3px solid var(--bg-warm);
      border-top-color: var(--green);
      border-radius: 50%;
      animation: spin 0.7s linear infinite;
    }

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

    @media (max-width: 480px) {
      .row-2 {
        grid-template-columns: 1fr;
      }

      .party-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    .rv-lang-btn.active {
      background: var(--green);
      color: #fff;
    }