/* =============================================================================
 * store.css — hp/store.html（西陣緞通 予約販売）専用スタイル
 * =============================================================================
 *
 * 【役割】Store ページだけで使うスタイル。他ページからは読み込まない。
 * 【前提】index.css（トークン定義・glass-nav）→ editorial.css → 本ファイル の順で読む。
 *         色は原則 index.css :root のトークンを使い、ここで新しい色を増やさない。
 * 【基調】lp/facility.html と同じハイブリッド構成 —
 *         Hero だけ夜（--dawn-deep）、以降は薄明のアイボリー（--hp-light-bg）。
 *         角は丸め基調（--store-radius）。会場で QR から見る前提のモバイル最優先。
 * 【SSOT】01ブランドセンター visual/color-tokens.md §3 / typography.md §2.1 / motion.md
 * ========================================================================== */

:root {
    /* 角丸の基準値。ここだけ変えれば全体の丸みが揃う */
    --store-radius: 18px;
    --store-radius-sm: 12px;
    --store-radius-pill: 999px;
    /* 罫線・面の共通値 */
    --store-hairline: rgba(45, 43, 39, 0.12);
    --store-surface: #ffffff;
    --store-surface-warm: #f6f2e8;
}

/* -----------------------------------------------------------------------------
 * 1. Hero（夜の側）
 * -------------------------------------------------------------------------- */

.store-hero {
    background-color: var(--dawn-deep);
    color: var(--text-main);
    padding: 9rem 1.5rem 4.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 夜明けの弧 — 下端に薄明の光をにじませる */
.store-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    /* 疑似要素の内側で光が減衰しきるよう、中心を下端の外に置く。
       ボックスの縁で色が残ると横一文字の継ぎ目に見えてしまうため。 */
    background: radial-gradient(115% 55% at 50% 116%,
            rgba(253, 246, 227, 0.20) 0%,
            rgba(255, 176, 32, 0.08) 42%,
            transparent 72%);
    pointer-events: none;
}

.store-hero > * {
    position: relative;
    z-index: 1;
}

.store-hero-eyebrow {
    font-family: var(--font-body);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold-warm);
    margin-bottom: 1.6rem;
}

.store-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 7.5vw, 3.2rem);
    font-weight: 500;
    line-height: 1.55;
    letter-spacing: 0.08em;
    margin-bottom: 1.6rem;
}

.store-hero-lead {
    font-family: var(--font-body);
    font-size: clamp(0.9rem, 3.6vw, 1rem);
    font-weight: 300;
    line-height: 2.1;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.78);
    max-width: 34rem;
    margin: 0 auto 2.4rem;
}

/* Hero 下の「予約販売」バッジ */
.store-hero-badge {
    display: inline-block;
    padding: 0.55rem 1.4rem;
    border: 1px solid rgba(255, 176, 32, 0.4);
    border-radius: var(--store-radius-pill);
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    color: var(--gold-warm);
}

/* -----------------------------------------------------------------------------
 * 2. 本体（薄明の側）
 * -------------------------------------------------------------------------- */

.store-main {
    background-color: var(--hp-light-bg);
    color: var(--hp-light-text);
    padding: 0 1.25rem 5rem;
}

.store-container {
    max-width: 720px;
    margin: 0 auto;
}

.store-section {
    padding: 3.5rem 0 0;
}

.store-section-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--hp-light-accent);
    margin-bottom: 0.9rem;
    display: block;
}

.store-section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 5vw, 1.6rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    color: #1a1917;
    margin-bottom: 1rem;
}

.store-section-lead {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 2;
    letter-spacing: 0.04em;
    color: #57534d;
    margin-bottom: 1.8rem;
}

/* -----------------------------------------------------------------------------
 * 3. サイズ入力（configurator）
 * -------------------------------------------------------------------------- */

.store-card {
    background: var(--store-surface);
    border: 1px solid var(--store-hairline);
    border-radius: var(--store-radius);
    padding: 1.5rem 1.25rem;
    box-shadow: 0 10px 30px rgba(45, 43, 39, 0.05);
}

/* 入力方式の切替（目数・段数 / cm） */
.store-mode-switch {
    display: flex;
    gap: 0.5rem;
    background: var(--store-surface-warm);
    border-radius: var(--store-radius-pill);
    padding: 0.3rem;
    margin-bottom: 1.6rem;
}

.store-mode-btn {
    flex: 1;
    appearance: none;
    border: none;
    background: transparent;
    border-radius: var(--store-radius-pill);
    padding: 0.7rem 0.5rem;
    font-family: var(--font-body);
    font-size: 0.83rem;
    letter-spacing: 0.04em;
    color: #6f6a64;
    cursor: pointer;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.store-mode-btn[aria-selected="true"] {
    background: var(--store-surface);
    color: #1a1917;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(45, 43, 39, 0.08);
}

/* 代表サイズのプリセット chip */
.store-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.6rem;
}

.store-preset-btn {
    appearance: none;
    background: var(--store-surface-warm);
    border: 1px solid transparent;
    border-radius: var(--store-radius);
    padding: 0.5rem 0.9rem;
    font-family: var(--font-body);
    font-size: 0.8rem;
    line-height: 1.35;
    letter-spacing: 0.03em;
    color: #433f3a;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.25s ease, background-color 0.25s ease;
}

.store-preset-cm {
    display: block;
}

.store-preset-knots {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.66rem;
    letter-spacing: 0.04em;
    color: #8a857e;
}

.store-preset-btn[aria-pressed="true"] .store-preset-knots {
    color: #7d6524;
}

.store-preset-btn:hover,
.store-preset-btn:focus-visible {
    border-color: var(--hp-light-accent);
}

.store-preset-btn[aria-pressed="true"] {
    background: rgba(196, 160, 74, 0.14);
    border-color: var(--hp-light-accent);
    color: #1a1917;
}

/* 数値入力 2 本並び */
.store-field-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
    gap: 0.6rem;
}

.store-field-times {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: #a8a29a;
    padding-bottom: 0.9rem;
}

.store-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-width: 0;
}

.store-label {
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    color: #57534d;
}

.store-label .store-label-sub {
    color: #a8a29a;
    font-size: 0.72rem;
    margin-left: 0.35rem;
}

.store-input,
.store-textarea,
.store-select {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem; /* iOS の自動ズーム防止のため 16px 以上を維持 */
    color: #1a1917;
    background: var(--hp-light-bg);
    border: 1px solid var(--store-hairline);
    border-radius: var(--store-radius-sm);
    padding: 0.8rem 0.85rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.store-input:focus,
.store-textarea:focus,
.store-select:focus {
    outline: none;
    border-color: var(--hp-light-accent);
    box-shadow: 0 0 0 3px rgba(196, 160, 74, 0.16);
}

.store-textarea {
    min-height: 7.5rem;
    line-height: 1.9;
    resize: vertical;
}

.store-input-hint {
    font-family: var(--font-body);
    font-size: 0.72rem;
    line-height: 1.8;
    color: #8a857e;
    margin-top: 0.9rem;
}

/* 入力エラー */
.store-error {
    font-family: var(--font-body);
    font-size: 0.78rem;
    line-height: 1.8;
    color: #9b3d2e;
    background: rgba(155, 61, 46, 0.07);
    border-radius: var(--store-radius-sm);
    padding: 0.7rem 0.85rem;
    margin-top: 1rem;
}

/* 入力ミスではなく「ご案内」のときのトーン（大きすぎて自動計算できない等） */
.store-error-info {
    color: #6b5a24;
    background: rgba(196, 160, 74, 0.12);
}

.store-error[hidden] {
    display: none;
}

/* -----------------------------------------------------------------------------
 * 4. 見積結果パネル
 * -------------------------------------------------------------------------- */

.store-quote {
    margin-top: 1.5rem;
    background: linear-gradient(160deg, #14101f 0%, var(--dawn-deep) 100%);
    color: var(--text-main);
    border-radius: var(--store-radius);
    padding: 1.6rem 1.35rem;
}

.store-quote-caption {
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-warm);
    margin-bottom: 1.1rem;
}

.store-quote-price {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 9vw, 2.8rem);
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.store-quote-price-unit {
    font-size: 0.95rem;
    font-family: var(--font-body);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.6);
    margin-left: 0.4rem;
}

.store-quote-tax {
    font-family: var(--font-body);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 0.5rem;
}

.store-quote-grid {
    margin-top: 1.5rem;
    padding-top: 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1rem;
}

.store-quote-item dt {
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.4rem;
}

.store-quote-item dd {
    font-family: var(--font-body);
    font-size: 0.98rem;
    font-weight: 400;
    letter-spacing: 0.03em;
    color: #ffffff;
}

/* 大きいサイズのときだけ出る相談案内。警告ではなく「ご案内」の温度で。 */
.store-quote-large {
    margin-top: 1.4rem;
    padding: 0.95rem 1.05rem;
    border-radius: var(--store-radius-sm);
    background: rgba(255, 176, 32, 0.10);
    border: 1px solid rgba(255, 176, 32, 0.28);
    font-family: var(--font-body);
    font-size: 0.78rem;
    line-height: 1.95;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.86);
}

.store-quote-large[hidden] {
    display: none;
}

.store-quote-note {
    margin-top: 1.4rem;
    font-family: var(--font-body);
    font-size: 0.74rem;
    line-height: 1.95;
    color: rgba(255, 255, 255, 0.6);
}

/* -----------------------------------------------------------------------------
 * 5. 前金・注意事項
 * -------------------------------------------------------------------------- */

.store-notice {
    background: var(--store-surface-warm);
    border-radius: var(--store-radius);
    padding: 1.4rem 1.25rem;
    margin-top: 1.5rem;
}

.store-notice-title {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: #1a1917;
    margin-bottom: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.store-notice-title::before {
    content: '';
    width: 18px;
    height: 1px;
    background: var(--hp-light-accent);
    flex: none;
}

.store-notice ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.store-notice li {
    font-family: var(--font-body);
    font-size: 0.8rem;
    line-height: 2;
    letter-spacing: 0.03em;
    color: #57534d;
    padding-left: 1.1rem;
    position: relative;
}

.store-notice li + li {
    margin-top: 0.5rem;
}

.store-notice li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(196, 160, 74, 0.55);
}

/* 返品不可の明示（特商法対応 — 削除しないこと） */
.store-notice-strong {
    color: #1a1917;
    font-weight: 500;
}

/* -----------------------------------------------------------------------------
 * 6. 予約フォーム
 * -------------------------------------------------------------------------- */

.store-form .store-field + .store-field {
    margin-top: 1.3rem;
}

.store-required {
    display: inline-block;
    margin-left: 0.45rem;
    padding: 0.1rem 0.45rem;
    border-radius: var(--store-radius-pill);
    background: rgba(196, 160, 74, 0.16);
    color: #8a6d1f;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    vertical-align: 0.1em;
}

/* 確認表示（フォーム内に見積を再掲する — 特商法の最終申込画面表示に相当） */
.store-confirm {
    background: var(--store-surface-warm);
    border-radius: var(--store-radius-sm);
    padding: 1.1rem 1rem;
    margin-top: 1.5rem;
}

.store-confirm-caption {
    font-family: var(--font-body);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--hp-light-accent);
    margin-bottom: 0.9rem;
}

.store-confirm dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem 1rem;
    margin: 0;
}

.store-confirm dt {
    font-family: var(--font-body);
    font-size: 0.76rem;
    color: #8a857e;
    letter-spacing: 0.05em;
}

.store-confirm dd {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: #1a1917;
    margin: 0;
    text-align: right;
}

.store-confirm-note {
    margin-top: 1rem;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(45, 43, 39, 0.09);
    font-family: var(--font-body);
    font-size: 0.72rem;
    line-height: 1.9;
    color: #8a857e;
}

/* 狭い画面では 2 カラムだと値が不自然に折り返すため、項目名の下に値を積む */
@media (max-width: 480px) {
    .store-confirm dl {
        grid-template-columns: 1fr;
        gap: 0.15rem;
    }

    .store-confirm dt {
        margin-top: 0.7rem;
    }

    .store-confirm dt:first-of-type {
        margin-top: 0;
    }

    .store-confirm dd {
        text-align: left;
        font-size: 0.9rem;
    }
}

/* 同意チェック */
.store-consent {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin-top: 1.5rem;
    cursor: pointer;
}

.store-consent input[type="checkbox"] {
    flex: none;
    width: 20px;
    height: 20px;
    margin-top: 0.15rem;
    accent-color: var(--hp-light-accent);
}

.store-consent span {
    font-family: var(--font-body);
    font-size: 0.8rem;
    line-height: 1.95;
    color: #57534d;
}

.store-consent a {
    color: #8a6d1f;
    border-bottom: 1px dotted rgba(196, 160, 74, 0.6);
    text-decoration: none;
}

/* honeypot（人間には見せない。CSS で隠すのが目的なので display:none は使わない） */
.store-hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* 送信ボタン */
.store-submit {
    display: block;
    width: 100%;
    margin-top: 1.8rem;
    appearance: none;
    border: none;
    border-radius: var(--store-radius-pill);
    padding: 1.05rem 1.5rem;
    background: var(--dawn-deep);
    color: var(--gold-warm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.store-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(5, 0, 16, 0.22);
}

.store-submit:disabled {
    opacity: 0.45;
    cursor: default;
}

/* 送信ボタン下の注記（「注文確定ではない」ことの念押し） */
.store-submit-note {
    margin-top: 0.9rem;
    text-align: center;
    font-family: var(--font-body);
    font-size: 0.73rem;
    line-height: 1.8;
    letter-spacing: 0.03em;
    color: #8a857e;
}

/* 送信結果 */
.store-result {
    margin-top: 1.5rem;
    border-radius: var(--store-radius);
    padding: 1.4rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    line-height: 2;
    letter-spacing: 0.03em;
}

.store-result[hidden] {
    display: none;
}

.store-result-success {
    background: rgba(46, 77, 68, 0.08);
    border: 1px solid rgba(46, 77, 68, 0.22);
    color: #234039;
}

.store-result-failure {
    background: rgba(155, 61, 46, 0.07);
    border: 1px solid rgba(155, 61, 46, 0.24);
    color: #7d3527;
}

.store-result a {
    color: inherit;
    font-weight: 500;
    border-bottom: 1px solid currentColor;
    text-decoration: none;
}

/* -----------------------------------------------------------------------------
 * 7. フッタ導線
 * -------------------------------------------------------------------------- */

.store-footer-links {
    text-align: center;
    padding: 3.5rem 0 1rem;
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.store-footer-links a {
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: #57534d;
    text-decoration: none;
    border-bottom: 1px dotted rgba(196, 160, 74, 0.5);
    padding-bottom: 0.15rem;
}

/* -----------------------------------------------------------------------------
 * 8. レスポンシブ（720px 以上で余白を広げる。基本はモバイル）
 * -------------------------------------------------------------------------- */

@media (min-width: 720px) {
    .store-hero {
        padding: 11rem 2rem 6rem;
    }

    .store-main {
        padding: 0 2rem 6rem;
    }

    .store-card {
        padding: 2.2rem 2rem;
    }

    .store-quote {
        padding: 2.2rem 2rem;
    }

    .store-quote-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* -----------------------------------------------------------------------------
 * 9. モーションの配慮
 *    全体の prefers-reduced-motion は index.css 側で適用済み（TASK-039）。
 *    ここでは本ページ固有の transform を明示的に止める。
 * -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    .store-submit,
    .store-mode-btn,
    .store-preset-btn {
        transition: none;
    }

    .store-submit:hover:not(:disabled) {
        transform: none;
    }
}