/* ============================================================
   Supra Mentor - 予約ページ (booking.html) スタイル
   
   base.js (メールテンプレート) のデザイントークンに準拠し、
   ブランド体験を一貫させる.
   ============================================================ */

/* デザイントークン (base.js BRAND と一致) */
:root {
    --bk-bg:           #fbfaf7;  /* メイン背景 */
    --bk-bg-soft:      #f6f3ee;  /* 装飾用の薄ベージュ */
    --bk-bg-deep:      #e8e6e0;  /* 一番濃いベージュ (フッター等) */
    --bk-text:         #3d3832;  /* メイン文字色 */
    --bk-text-light:   #5a524a;  /* 副文字色 */
    --bk-text-muted:   #888888;  /* 注釈・ラベル色 */
    --bk-text-faint:   #aaaaaa;  /* 最も薄い文字 */
    --bk-border:       #e8e3db;  /* 区切り線 */
    --bk-border-strong:#d4ccbe;  /* 強い区切り線 */
    
    --bk-blue:         #6cbee7;  /* ロゴのブルー (爽やかなアクセント) */
    --bk-blue-dark:    #2980b9;
    --bk-coral:        #e6946b;  /* ロゴのコーラル (温かみのアクセント) */
    --bk-coral-dark:   #c46f4a;
    
    --bk-button-bg:    #3d3832;  /* CTAボタン背景 (ダークブラウン) */
    --bk-button-text:  #fbfaf7;  /* CTAボタン文字 */
    --bk-button-hover: #2a2622;
    
    --bk-success:      #2d7d5e;
    --bk-error:        #c0392b;
    
    /* フォント */
    --bk-font-serif:   'Kaisei Opti', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
    --bk-font-sans:    'Zen Maru Gothic', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
}

/* リセット */
* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--bk-font-sans);
    color: var(--bk-text);
    background: var(--bk-bg-deep);
    -webkit-text-size-adjust: 100%;
    line-height: 1.7;
    letter-spacing: 0.02em; font-weight: 500;}

a {
    color: var(--bk-blue-dark);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ============================================================
   ヘッダー
   ============================================================ */
.bk-header {
    background: var(--bk-bg);
    border-bottom: 1px solid var(--bk-border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 720px;
    margin: 0 auto;
}

.bk-logo-link {
    text-decoration: none;
}

.bk-logo-text {
    font-family: var(--bk-font-serif);
    font-size: 1.05rem;
    color: var(--bk-text);
    letter-spacing: 0.15em;
    font-weight: 500;
}

.bk-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--bk-text-muted);
    font-size: 1.3rem;
    text-decoration: none;
    border-radius: 50%;
    transition: background 0.2s;
}

.bk-close:hover {
    background: var(--bk-border);
    text-decoration: none;
}

/* ============================================================
   メイン
   ============================================================ */
.bk-main {
    max-width: 720px;
    margin: 0 auto;
    background: var(--bk-bg);
    min-height: calc(100vh - 110px);
    padding: 2rem 1.5rem 3rem;
}

/* ============================================================
   ヒーロー
   ============================================================ */
.bk-hero {
    text-align: center;
    padding: 2rem 0 2.5rem;
    border-bottom: 1px solid var(--bk-border);
    margin-bottom: 2rem;
}

.bk-en-label {
    font-family: var(--bk-font-serif);
    font-size: .875rem;
    letter-spacing: 0.4em;
    font-weight: 500;
    margin-bottom: 1.2rem;
    color: var(--bk-blue);
}

.bk-title {
    font-family: var(--bk-font-serif);
    font-size: 1.85rem;
    color: var(--bk-text);
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.06em;
    margin: 0 0 1.5rem;
}

.bk-title-md {
    font-family: var(--bk-font-serif);
    font-size: 1.5rem;
    color: var(--bk-text);
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.06em;
    margin: 0 0 1.5rem;
    text-align: center;
}

.bk-lead {
    font-size: 0.95rem;
    color: var(--bk-text-light);
    line-height: 2;
    letter-spacing: 0.04em;
    margin: 0;
}

.bk-body-text {
    font-size: 0.92rem;
    color: var(--bk-text);
    line-height: 2;
    letter-spacing: 0.04em;
    text-align: center;
    margin: 1.5rem 0;
}

/* ============================================================
   ステップインジケーター
   ============================================================ */
.bk-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem 0 2.5rem;
    gap: 0.5rem;
}

.bk-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    opacity: 0.4;
    transition: opacity 0.3s;
}

.bk-step.is-active {
    opacity: 1;
}

.bk-step.is-done {
    opacity: 0.7;
}

.bk-step-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bk-bg-soft);
    border: 1.5px solid var(--bk-border-strong);
    color: var(--bk-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--bk-font-serif);
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.bk-step.is-active .bk-step-num {
    background: var(--bk-button-bg);
    color: var(--bk-button-text);
    border-color: var(--bk-button-bg);
    transform: scale(1.08);
}

.bk-step.is-done .bk-step-num {
    background: var(--bk-blue);
    color: #fff;
    border-color: var(--bk-blue);
    font-size: 0;
}
.bk-step.is-done .bk-step-num::after {
    content: '✓';
    font-size: 0.95rem;
    line-height: 1;
}

.bk-step.is-active .bk-step-label {
    color: var(--bk-text);
    font-weight: 700;
}

.bk-step-label {
    font-size: .875rem;
    color: var(--bk-text-light);
    letter-spacing: 0.1em;
}

.bk-step-line {
    flex: 0 0 40px;
    height: 1px;
    background: var(--bk-border-strong);
    margin-bottom: 1.2rem;
}

@media (max-width: 480px) {
    .bk-step-line { flex: 0 0 24px; }
    .bk-step-label { font-size: .8125rem; }
}

/* ============================================================
   ステップパネル共通
   ============================================================ */
.bk-step-panel {
    animation: bk-fade-in 0.4s ease;
}

@keyframes bk-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bk-section-label {
    margin: 1.5rem 0 1.2rem;
    text-align: center;
}

.bk-section-en {
    display: block;
    font-family: var(--bk-font-serif);
    font-size: .875rem;
    color: var(--bk-blue);
    letter-spacing: 0.4em;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.bk-section-ja {
    display: block;
    font-size: 0.92rem;
    color: var(--bk-text);
    font-weight: 500;
}

/* ============================================================
   カウンセラーカード (STEP 1 冒頭)
   ============================================================ */
.bk-counselor-card {
    background: linear-gradient(135deg, #fbf7f2 0%, #f6efe6 100%);
    border-radius: 16px;
    padding: 1.4rem 1.6rem;
    margin: 0 0 1.1rem;
    display: flex;
    /* ★ 中央寄せ(justify-content:center)は試したが、写真の左に大きな余白ができて
       かえって崩れたため、元どおり左詰めに戻した。
       写真の縦位置も flex-start を試したが、center（元のまま）を採用。 */
    align-items: center;
    gap: 1.2rem;
    text-align: left;
    border: 1px solid #efe6d9;
}
.bk-counselor-info { min-width: 0; }

.bk-counselor-photo {
    width: 66px;
    height: 66px;
    border-radius: 50%;
    flex-shrink: 0;
    background-size: cover;
    background-position: center top;
    background-color: #e3ddd2;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--bk-font-serif);
    font-size: 1.5rem;
    color: var(--bk-coral-dark);
    box-shadow: 0 4px 14px rgba(61, 56, 50, 0.14), 0 0 0 4px #ffffff, 0 0 0 5px rgba(214, 123, 92, 0.25);
}
.bk-counselor-photo.has-photo { color: transparent; }

.bk-counselor-en {
    font-family: var(--bk-font-serif);
    font-size: .8125rem;
    color: var(--bk-coral);
    letter-spacing: 0.35em;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.bk-counselor-name {
    font-family: var(--bk-font-serif);
    font-size: 1.2rem;
    color: var(--bk-text);
    font-weight: 500;
    letter-spacing: 0.06em;
    margin-bottom: 0.3rem;
    white-space: pre-line; /* 名前も改行を反映（複数行OK） */
}

/* サブ名（名前の下・役割の上）。複数行OK。空なら消える。 */
.bk-counselor-sub {
    font-size: .9rem;
    color: var(--bk-text);
    letter-spacing: 0.04em;
    line-height: 1.5;
    margin-bottom: 0.15rem;
    word-break: break-word;
    overflow-wrap: anywhere;
}
.bk-counselor-sub:empty { display: none; }

.bk-counselor-title {
    font-size: .9rem;
    color: var(--bk-text-muted);
    letter-spacing: 0.05em;
    line-height: 1.6;
    /* 複数行OK（省略せず全部表示）。長い単語は折り返す。 */
    word-break: break-word;
    overflow-wrap: anywhere;
}
/* 空のとき：その行を消して余白も詰める（縦中央にスッキリ） */
.bk-counselor-title:empty { display: none; }
.bk-counselor-name:has(+ .bk-counselor-sub:empty + .bk-counselor-title:empty) { margin-bottom: 0; }
.bk-counselor-sub:has(+ .bk-counselor-title:empty) { margin-bottom: 0; }

/* ★ 無料相談のときだけ出る一言（担当が誰かを、静かに伝える）。
   闘病中の方が読むページなので、押しつけがましさを避け、
   細い区切り線＋落ち着いた文字で「そっと添える」トーンにする。 */
.bk-counselor-note {
    margin-top: 0.7rem;
    padding-top: 0.7rem;
    border-top: 1px solid rgba(214, 123, 92, 0.18);
    font-size: .9rem;
    line-height: 1.85;
    color: var(--bk-text-muted);
    letter-spacing: 0.04em;
    word-break: break-word;
    overflow-wrap: anywhere;
}
.bk-counselor-note:empty { display: none !important; }
/* 「30分」だけ少し立たせる（担当時間が一目で入るように） */
.bk-counselor-note .bk-note-em {
    color: var(--bk-coral-dark);
    font-weight: 600;
}

/* 選んだプラン（有料時のみ） */
.bk-plan-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: #fff;
    border: 1.5px solid var(--bk-coral);
    border-radius: 12px;
    padding: 1rem 1.3rem;
    margin: 0 0 1.1rem;
}
.bk-plan-summary-svc {
    font-family: var(--bk-font-serif);
    font-size: 1.02rem;
    color: var(--bk-text);
    font-weight: 500;
    margin-bottom: 0.25rem;
}
.bk-plan-summary-detail {
    font-size: .9rem;
    color: var(--bk-text-muted);
    letter-spacing: 0.03em;
}
.bk-plan-summary-price {
    font-family: var(--bk-font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--bk-coral-dark);
    white-space: nowrap;
}

/* プラン選択 */
.bk-plan-picker {
    margin: 0 0 1.4rem;
}
.bk-plan-picker-label {
    font-size: .9rem;
    color: var(--bk-text);
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.bk-pp-svc {
    font-family: var(--bk-font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bk-text);
}
.bk-pp-dur {
    font-size: .875rem;
    color: var(--bk-text-muted);
    background: var(--bk-bg-soft);
    border-radius: 50px;
    padding: 2px 10px;
    font-weight: 600;
}
.bk-pp-hint {
    margin-left: auto;
    font-size: .875rem;
    color: var(--bk-coral-dark);
    font-weight: 600;
}
.bk-plan-choices {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
/* プラン選択：軸ごとの上品なセレクター */
.bk-axis-group {
    margin-bottom: 1.35rem;
}
.bk-axis-group:last-of-type {
    margin-bottom: 0.5rem;
}
.bk-axis-title {
    font-size: .8125rem;
    font-weight: 700;
    color: var(--bk-text-muted);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 0.7rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.bk-axis-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--bk-border), transparent);
}
.bk-axis-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}
.bk-axis-chip {
    font-family: var(--bk-font-sans);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--bk-text-light);
    background: var(--bk-bg);
    border: 1.5px solid var(--bk-border);
    border-radius: 50px;
    padding: 0.65rem 1.4rem;
    cursor: pointer;
    position: relative;
    transition: transform 0.22s cubic-bezier(.22,1,.36,1), border-color 0.22s ease, color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
    -webkit-tap-highlight-color: transparent;
}
.bk-axis-chip:hover {
    border-color: var(--bk-coral);
    color: var(--bk-coral-dark);
    transform: translateY(-1px);
}
.bk-axis-chip:focus-visible {
    outline: 2px solid var(--bk-coral);
    outline-offset: 2px;
}
.bk-axis-chip.on {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(135deg, #e89b73 0%, #d67b5c 100%);
    box-shadow: 0 6px 16px rgba(198, 111, 74, 0.28), inset 0 1px 0 rgba(255,255,255,0.18);
    font-weight: 600;
    transform: translateY(-1px);
}
.bk-axis-chip.on:hover {
    color: #fff;
}

/* 料金リビール：選択の要約を上品に見せるカード */
.bk-axis-price {
    margin-top: 1.4rem;
    padding: 1.15rem 1.4rem;
    background:
        radial-gradient(120% 140% at 0% 0%, rgba(232,155,115,0.10), transparent 55%),
        var(--bk-bg);
    border: 1px solid var(--bk-border);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: relative;
    overflow: hidden;
    animation: bkPriceIn 0.4s cubic-bezier(.22,1,.36,1) both;
}
.bk-axis-price::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #e89b73, #d67b5c);
}
@keyframes bkPriceIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.bk-axis-price-lbl {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.bk-axis-price-cap {
    font-size: .8125rem;
    color: var(--bk-text-faint);
    letter-spacing: 0.12em;
    font-weight: 600;
}
.bk-axis-price-plan {
    font-size: 1rem;
    color: var(--bk-text);
    font-weight: 600;
    letter-spacing: 0.02em;
}
.bk-axis-price-amt {
    font-family: var(--bk-font-serif);
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--bk-coral-dark);
    white-space: nowrap;
    line-height: 1;
}
.bk-axis-price-unit {
    font-family: var(--bk-font-body, inherit);
    font-size: .875rem;
    font-weight: 600;
    color: var(--bk-text-muted, #9a8f86);
    margin-left: 0.3rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.bk-axis-price-none {
    display: block;
    font-size: .9rem;
    color: var(--bk-text-muted);
    background: var(--bk-bg-soft);
    font-weight: 500;
    line-height: 1.65;
    animation: none;
}
.bk-axis-price-none::before { display: none; }

/* 継続パッケージの内訳（含まれるもの） */
.bk-pkg-incl {
    margin-top: 0.9rem;
    padding: 0.95rem 1.1rem;
    background: var(--bk-bg-soft);
    border: 1px solid var(--bk-border);
    border-radius: 14px;
    animation: bkPriceIn 0.4s cubic-bezier(.22,1,.36,1) both;
}
.bk-pkg-incl-h {
    font-size: .875rem;
    font-weight: 700;
    color: var(--bk-coral-dark);
    letter-spacing: 0.04em;
    margin-bottom: 0.6rem;
}
.bk-pkg-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 0;
    border-top: 1px dashed var(--bk-border);
}
.bk-pkg-row:first-of-type { border-top: none; }
.bk-pkg-nm {
    flex: 1;
    font-size: .9rem;
    color: var(--bk-text-light);
}
.bk-pkg-ct {
    font-size: .9rem;
    color: var(--bk-text-muted);
    white-space: nowrap;
}
.bk-pkg-amt {
    font-size: .9rem;
    font-weight: 700;
    color: var(--bk-text-light);
    min-width: 66px;
    text-align: right;
    white-space: nowrap;
}
.bk-pkg-free {
    color: var(--bk-coral-dark);
    font-weight: 700;
}
/* 旧：チップ形式（互換のため残す） */
.bk-pkg-incl-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.bk-pkg-item { display: inline-flex; align-items: center; gap: 0.3rem; background: #fff; border: 1px solid var(--bk-border-strong); border-radius: 9px; padding: 0.35rem 0.7rem; font-size: .9rem; color: var(--bk-text-light); }
.bk-pkg-item b { color: var(--bk-coral-dark); font-weight: 700; }

/* （旧）プラン選択：組み合わせリスト — 互換のため残す */
.bk-plan-choice {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    text-align: left;
    background: #fff;
    border: 1.5px solid var(--bk-border);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
    font-family: inherit;
}
.bk-plan-choice:hover { border-color: var(--bk-coral); }
.bk-plan-choice.on {
    border-color: var(--bk-coral);
    background: #fff7f3;
    box-shadow: 0 2px 10px rgba(214, 123, 92, 0.12);
}
.bk-plan-choice-radio {
    width: 18px; height: 18px;
    border-radius: 50%;
    border: 2px solid var(--bk-border-strong);
    flex-shrink: 0;
    position: relative;
    transition: border-color 0.18s ease;
}
.bk-plan-choice.on .bk-plan-choice-radio {
    border-color: var(--bk-coral);
}
.bk-plan-choice.on .bk-plan-choice-radio::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: var(--bk-coral);
}
.bk-plan-choice-label {
    font-size: 0.9rem;
    color: var(--bk-text);
    font-weight: 500;
}
.bk-plan-choice-price {
    margin-left: auto;
    font-family: var(--bk-font-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bk-coral-dark);
    white-space: nowrap;
}

/* 安心バッジ */
.bk-trust-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.3rem;
    margin: 0 0 1.8rem;
}
.bk-trust-item {
    font-size: .875rem;
    color: var(--bk-text-light);
    letter-spacing: 0.03em;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.bk-trust-ico { font-size: 0.9rem; }

@media (max-width: 480px) {
    .bk-counselor-card { gap: 0.9rem; padding: 1.1rem 1.2rem; }
    .bk-counselor-photo { width: 54px; height: 54px; }
    .bk-plan-summary { padding: 0.9rem 1.1rem; }
    .bk-plan-summary-price { font-size: 1.2rem; }
}


/* ============================================================
   月単位カレンダーUI (Phase 1)
   月のグリッドで日付を選び、選んだ日の時間枠を下に展開する.
   ============================================================ */

.bk-cal-wrap {
    background: var(--bk-bg);
    border: 1px solid var(--bk-border);
    border-radius: 12px;
    padding: 1.3rem 1.1rem 1rem;
    margin: 0 0 1.5rem;
    animation: bk-fade-in 0.4s ease;
}

/* --- 月切替ナビ --- */
.bk-cal-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 0 0.2rem;
}

.bk-cal-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--bk-border);
    border-radius: 50%;
    color: var(--bk-text);
    font-size: 0.95rem;
    transition: all 0.2s;
    flex-shrink: 0;
}

.bk-cal-nav-btn:hover:not(:disabled) {
    background: var(--bk-button-bg);
    color: var(--bk-button-text);
    border-color: var(--bk-button-bg);
}

.bk-cal-nav-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.bk-cal-nav-btn:focus-visible {
    outline: 2px solid var(--bk-coral);
    outline-offset: 2px;
}

.bk-cal-month-label {
    font-family: var(--bk-font-serif);
    font-size: 1.2rem;
    color: var(--bk-text);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-align: center;
    flex: 1;
}

/* --- 曜日ヘッダー --- */
.bk-cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    padding: 0 0.1rem;
}

.bk-cal-weekday {
    text-align: center;
    font-family: var(--bk-font-serif);
    font-size: .9rem;
    color: var(--bk-text-light);
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 0.5rem 0;
}

.bk-cal-wd-sun { color: var(--bk-coral); }
.bk-cal-wd-sat { color: var(--bk-blue); }

/* --- 月グリッド --- */
.bk-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.3rem;
}

.bk-cal-cell {
    position: relative;
    aspect-ratio: 1 / 1;
    min-height: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    font-family: var(--bk-font-sans);
    color: var(--bk-text);
    transition: all 0.2s ease;
}

.bk-cal-cell-blank {
    pointer-events: none;
}

.bk-cal-cell-num {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1;
    font-family: var(--bk-font-serif);
}

/* 空き状況の文字表示 (空きあり日のみ表示) */
.bk-cal-cell-status {
    font-family: var(--bk-font-serif);
    font-size: .8125rem;
    margin-top: 0.15rem;
    letter-spacing: 0.08em;
    line-height: 1;
}

/* 旧ドットは廃止 (display:none で残す。CSS削除はせず後方互換) */
.bk-cal-cell-dot { display: none; }

/* --- 状態ごとのスタイル --- */

/* ★ 空きあり: コーラル色のグラデで目立たせる (人気感演出) */
.bk-cal-status-avail {
    background: linear-gradient(135deg, #fff9f5, #fef4ec);
    border-color: var(--bk-coral);
    cursor: pointer;
    color: var(--bk-coral-dark);
    font-weight: 500;
}
.bk-cal-status-avail .bk-cal-cell-num {
    color: var(--bk-coral-dark);
}
.bk-cal-status-avail .bk-cal-cell-status {
    color: var(--bk-coral);
    display: block;
}
.bk-cal-status-avail::after {
    /* 右上の小さな印 */
    content: '';
    position: absolute;
    top: 4px;
    right: 5px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--bk-coral);
}
.bk-cal-status-avail:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(230, 148, 107, 0.22);
    border-color: var(--bk-coral-dark);
}

/* ★ 残り1席 (人気感最強の演出) */
.bk-cal-status-avail.bk-cal-cell-hot .bk-cal-cell-status {
    font-weight: 700;
    letter-spacing: 0.05em;
}
.bk-cal-status-avail.bk-cal-cell-hot::after {
    /* 点滅エフェクト */
    animation: bk-cal-pulse 1.8s ease-in-out infinite;
}

@keyframes bk-cal-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.7; }
}

/* 満員: 押せない */
.bk-cal-status-full {
    background: var(--bk-bg-soft);
    border-color: var(--bk-border);
    color: var(--bk-text-muted);
    cursor: not-allowed;
}
.bk-cal-status-full .bk-cal-cell-status {
    color: var(--bk-text-muted);
    display: block;
}

/* 受付休止日: 無印・薄く */
.bk-cal-status-off {
    background: transparent;
    color: var(--bk-text-faint);
    cursor: not-allowed;
    opacity: 0.4;
}
.bk-cal-status-off .bk-cal-cell-status {
    display: none;
}

/* 過去の日付 */
.bk-cal-status-past {
    background: transparent;
    color: var(--bk-text-faint);
    cursor: not-allowed;
    opacity: 0.25;
    text-decoration: line-through;
}
.bk-cal-status-past .bk-cal-cell-status {
    display: none;
}

/* 受付開始前 (minLeadDays 以内) */
.bk-cal-status-lead {
    background: transparent;
    color: var(--bk-text-faint);
    cursor: not-allowed;
    opacity: 0.4;
}
.bk-cal-status-lead .bk-cal-cell-status {
    display: none;
}

/* 日曜・土曜の文字色アクセント (休業日でない場合) */
/* ↑ 営業日が火木金なので、日曜・土曜は基本的に休業 → アクセントは控えめでOK */

/* 今日: 控えめなアウトライン */
.bk-cal-cell-today {
    box-shadow: inset 0 0 0 2px var(--bk-blue);
}

/* ★ 選択中: 黒背景 + 浮き上がり + 「選択中」文字 */
.bk-cal-cell-selected {
    background: linear-gradient(135deg, #3d3832, #2a2622) !important;
    color: var(--bk-button-text) !important;
    border-color: var(--bk-button-bg) !important;
    transform: scale(1.05);
    box-shadow: 0 6px 18px rgba(61, 56, 50, 0.3);
    z-index: 2;
}
.bk-cal-cell-selected .bk-cal-cell-num {
    color: var(--bk-button-text) !important;
}
.bk-cal-cell-selected .bk-cal-cell-status {
    color: var(--bk-button-text) !important;
    opacity: 0.9;
}
.bk-cal-cell-selected::after {
    /* 選択中は右上の点を消す */
    display: none !important;
}

/* フォーカスリング (キーボード操作) */
.bk-cal-cell:focus-visible {
    outline: 2px solid var(--bk-coral-dark);
    outline-offset: 2px;
    z-index: 3;
}

/* --- 凡例 (簡素化: 「ご予約可能」「選択中」だけに) --- */
.bk-cal-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem;
    margin-top: 1.2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--bk-border);
    font-size: .9rem;
    color: var(--bk-text-light);
    letter-spacing: 0.04em;
}

.bk-cal-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.bk-cal-legend-swatch {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 5px;
    flex-shrink: 0;
}

.bk-cal-legend-swatch-avail {
    background: linear-gradient(135deg, #fff9f5, #fef4ec);
    border: 1px solid var(--bk-coral);
}

.bk-cal-legend-swatch-selected {
    background: linear-gradient(135deg, #3d3832, #2a2622);
}

/* --- 選択日の時間枠セクション --- */
.bk-slot-section {
    margin-top: 1.4rem;
    padding: 1.2rem 1.1rem;
    background: var(--bk-bg);
    border: 1px solid var(--bk-coral);
    border-radius: 12px;
    animation: bk-fade-in 0.35s ease;
    box-shadow: 0 4px 14px rgba(230, 148, 107, 0.08);
}

.bk-slot-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.bk-slot-section-date {
    font-family: var(--bk-font-serif);
    font-size: 1.05rem;
    color: var(--bk-text);
    font-weight: 500;
    letter-spacing: 0.06em;
}

.bk-slot-section-seats {
    font-size: .9rem;
    color: var(--bk-text-muted);
    letter-spacing: 0.04em;
}

.bk-slot-section-seats-hot {
    color: var(--bk-coral-dark);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.bk-slot-section-seats-hot span[aria-hidden] {
    color: var(--bk-coral);
}

/* --- 時間枠グループ (午前/午後/夕方) --- */
.bk-time-group {
    margin-bottom: 1rem;
}

.bk-time-group:last-child {
    margin-bottom: 0;
}

.bk-time-group-label {
    font-size: .9rem;
    color: var(--bk-text-light);
    letter-spacing: 0.08em;
    margin-bottom: 0.55rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.bk-time-group-label-icon {
    font-size: 0.95rem;
}

/* 既存予約あり (打ち消し線で人気感) */
.bk-slot.is-booked {
    text-decoration: line-through;
}

/* --- レスポンシブ --- */
@media (max-width: 480px) {
    .bk-cal-wrap {
        padding: 1.1rem 0.7rem 0.9rem;
    }
    .bk-cal-grid,
    .bk-cal-weekdays {
        gap: 0.2rem;
    }
    .bk-cal-cell {
        min-height: 44px;
    }
    .bk-cal-cell-num {
        font-size: 0.92rem;
    }
    .bk-cal-month-label {
        font-size: 1.05rem;
    }
    .bk-cal-legend {
        font-size: .875rem;
        gap: 0.6rem 1rem;
    }
    .bk-slot-section {
        padding: 1rem 0.85rem;
    }
    .bk-slot-section-date {
        font-size: 0.95rem;
    }
}


/* ============================================================
   スロット一覧 (STEP 1)
   ============================================================ */
.bk-slots-container {
    margin: 1rem 0 2rem;
}

.bk-day-group {
    margin-bottom: 1.3rem;
    padding-bottom: 1.3rem;
    border-bottom: 1px dashed var(--bk-border);
}

.bk-day-group:last-child {
    border-bottom: none;
}

.bk-day-header {
    font-family: var(--bk-font-serif);
    font-size: 0.95rem;
    color: var(--bk-text);
    letter-spacing: 0.08em;
    margin-bottom: 0.7rem;
}

.bk-day-header-weekend {
    color: var(--bk-coral);
}

.bk-slots-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.bk-slot {
    background: var(--bk-bg);
    border: 1px solid var(--bk-border-strong);
    color: var(--bk-text);
    padding: 0.6rem 1.1rem;
    border-radius: 6px;
    font-size: 0.92rem;
    font-family: var(--bk-font-serif);
    letter-spacing: 0.08em;
    transition: all 0.2s;
    min-width: 80px;
    text-align: center;
}

.bk-slot:hover:not(:disabled) {
    background: var(--bk-button-bg);
    color: var(--bk-button-text);
    border-color: var(--bk-button-bg);
    transform: translateY(-1px);
}

.bk-slot.is-selected {
    background: var(--bk-button-bg);
    color: var(--bk-button-text);
    border-color: var(--bk-button-bg);
}

.bk-slot:disabled {
    background: var(--bk-bg-soft);
    color: var(--bk-text-faint);
    border-color: var(--bk-border);
    cursor: not-allowed;
}

.bk-slot.is-booked::after {
    content: ' ×';
    color: var(--bk-text-faint);
    font-size: 0.78rem;
}

.bk-no-slots {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--bk-text-muted);
    font-size: 0.92rem;
    line-height: 2;
    background: var(--bk-bg-soft);
    border-radius: 8px;
}

.bk-note {
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    background: var(--bk-bg-soft);
    border-left: 3px solid var(--bk-blue);
    border-radius: 4px;
    font-size: .9rem;
    color: var(--bk-text-light);
    line-height: 1.9;
    letter-spacing: 0.04em;
}

.bk-note-icon {
    color: var(--bk-blue);
    margin-right: 0.4rem;
    font-weight: 500;
}

/* ============================================================
   フォーム (STEP 2)
   ============================================================ */
.bk-selected-summary {
    background:
        radial-gradient(120% 140% at 0% 0%, rgba(232,155,115,0.10), transparent 55%),
        var(--bk-bg-soft);
    border: 1px solid var(--bk-border);
    border-radius: 16px;
    padding: 1.4rem 1.5rem;
    margin: 1rem 0 2.2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.bk-selected-summary::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #e89b73, #d67b5c);
}

.bk-selected-label {
    font-family: var(--bk-font-serif);
    font-size: .8125rem;
    color: var(--bk-coral-dark);
    letter-spacing: 0.35em;
    margin-bottom: 0.5rem;
}

.bk-selected-datetime {
    font-family: var(--bk-font-serif);
    font-size: 1.3rem;
    color: var(--bk-text);
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.bk-change-link {
    background: transparent;
    border: none;
    color: var(--bk-text-muted);
    font-size: .9rem;
    text-decoration: underline;
    text-underline-offset: 2px;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    transition: color 0.18s ease;
}
.bk-change-link:hover { color: var(--bk-coral-dark); }

.bk-form {
    margin: 1.5rem 0;
}

.bk-form-row {
    margin-bottom: 1.6rem;
}

.bk-form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--bk-text);
    font-weight: 600;
    margin-bottom: 0.6rem;
    letter-spacing: 0.02em;
}

.bk-required {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: var(--bk-coral-dark);
    border: 1px solid var(--bk-coral);
    font-size: .8125rem;
    font-weight: 700;
    padding: 0.12rem 0.5rem;
    border-radius: 50px;
    letter-spacing: 0.08em;
}

.bk-input,
.bk-textarea {
    width: 100%;
    padding: 0.95rem 1.1rem;
    border: 1.5px solid var(--bk-border);
    border-radius: 12px;
    background: #fff;
    font-family: var(--bk-font-sans);
    font-size: 0.96rem;
    color: var(--bk-text);
    line-height: 1.7;
    box-shadow: 0 1px 2px rgba(61, 56, 50, 0.03);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}
.bk-input::placeholder,
.bk-textarea::placeholder { color: var(--bk-text-faint); }

.bk-input:focus,
.bk-textarea:focus {
    outline: none;
    border-color: var(--bk-coral);
    box-shadow: 0 0 0 3px rgba(232, 155, 115, 0.16);
}

.bk-textarea {
    resize: vertical;
    min-height: 130px;
}

.bk-form-hint {
    margin-top: 0.45rem;
    font-size: .875rem;
    color: var(--bk-text-muted);
    letter-spacing: 0.02em;
}

.bk-login-prompt {
    margin: 1.5rem 0;
    padding: 1rem 1.2rem;
    background: var(--bk-bg-soft);
    border-radius: 6px;
    text-align: center;
}

.bk-login-text {
    font-size: .9rem;
    color: var(--bk-text-light);
    line-height: 1.8;
    margin-bottom: 0.6rem;
}

.bk-login-link {
    display: inline-block;
    color: var(--bk-blue-dark);
    font-size: .9rem;
    text-decoration: underline;
}

/* ============================================================
   確認画面 (STEP 3)
   ============================================================ */
.bk-confirm-card {
    background: #fff;
    border: 1px solid var(--bk-border);
    border-radius: 16px;
    padding: 0.4rem 1.6rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(61, 56, 50, 0.04);
}

.bk-confirm-row {
    display: flex;
    padding: 1rem 0;
    border-bottom: 1px solid var(--bk-border);
}

.bk-confirm-row:last-child {
    border-bottom: none;
}

.bk-confirm-label {
    flex: 0 0 110px;
    font-size: .9rem;
    color: var(--bk-text-muted);
    letter-spacing: 0.08em;
    font-weight: 600;
    padding-top: 0.15rem;
}

.bk-confirm-value {
    flex: 1;
    font-size: 0.94rem;
    color: var(--bk-text);
    line-height: 1.8;
    word-break: break-word;
    font-weight: 500;
}

.bk-confirm-message {
    white-space: pre-wrap;
    font-size: .9rem;
    color: var(--bk-text-light);
    font-weight: 400;
}

.bk-confirm-price {
    font-family: var(--bk-font-serif);
    font-size: 1.35rem;
    color: var(--bk-coral-dark);
    font-weight: 700;
}

.bk-confirm-note {
    padding: 1.2rem 1.3rem;
    background: var(--bk-bg);
    border: 1px solid var(--bk-border);
    border-radius: 6px;
    margin: 1.5rem 0;
    font-size: .9rem;
    color: var(--bk-text-light);
    line-height: 2;
    letter-spacing: 0.04em;
}

.bk-confirm-note strong {
    color: var(--bk-text);
    display: block;
    margin-bottom: 0.5rem;
    font-size: .9rem;
}

/* ============================================================
   完了画面
   ============================================================ */
.bk-complete-card {
    background: var(--bk-bg-soft);
    border-radius: 8px;
    padding: 2rem 1.5rem;
    margin: 1.5rem 0;
    text-align: center;
}

.bk-complete-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bk-blue);
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    font-family: var(--bk-font-serif);
}

.bk-complete-row {
    display: flex;
    padding: 0.6rem 0;
    border-bottom: 1px dashed var(--bk-border-strong);
    text-align: left;
}

.bk-complete-row:last-child {
    border-bottom: none;
}

/* ============================================================
   ボタン (CTA)
   ============================================================ */
.bk-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    margin: 2.5rem 0 1rem;
}

.bk-button-primary {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bk-button-bg);
    color: var(--bk-button-text);
    padding: 1rem 3rem;
    border: none;
    border-radius: 0;
    font-family: var(--bk-font-sans);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s;
    min-width: 280px;
}

.bk-button-primary:hover:not(:disabled) {
    background: var(--bk-button-hover);
    text-decoration: none;
}

.bk-button-primary:disabled {
    background: var(--bk-text-faint);
    cursor: not-allowed;
}

.bk-button-en {
    display: block;
    font-family: var(--bk-font-serif);
    font-size: .9rem;
    letter-spacing: 0.25em;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.bk-button-ja {
    display: block;
    font-size: .9rem;
    letter-spacing: 0.1em;
    opacity: 0.85;
}

.bk-button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bk-bg);
    color: var(--bk-text);
    padding: 0.9rem 2.5rem;
    border: 1px solid var(--bk-border-strong);
    border-radius: 0;
    font-family: var(--bk-font-sans);
    font-size: .9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    min-width: 280px;
}

.bk-button-secondary:hover {
    background: var(--bk-bg-soft);
    text-decoration: none;
}

.bk-button-text {
    background: transparent;
    border: none;
    color: var(--bk-text-muted);
    font-size: .9rem;
    padding: 0.6rem 1rem;
    text-decoration: underline;
    letter-spacing: 0.05em;
}

.bk-button-text:hover {
    color: var(--bk-text);
}

/* ============================================================
   ローディング
   ============================================================ */
.bk-loading {
    text-align: center;
    padding: 3rem 1rem;
}

.bk-spinner {
    display: inline-block;
    width: 36px;
    height: 36px;
    border: 3px solid var(--bk-border);
    border-top-color: var(--bk-blue);
    border-radius: 50%;
    animation: bk-spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

.bk-loading-text {
    font-size: .9rem;
    color: var(--bk-text-muted);
    letter-spacing: 0.05em;
}

/* ============================================================
   エラー表示
   ============================================================ */
.bk-error {
    padding: 1rem 1.3rem;
    background: #fcebeb;
    border-left: 3px solid var(--bk-error);
    border-radius: 4px;
    color: var(--bk-error);
    font-size: .9rem;
    line-height: 1.8;
    margin: 1rem 0;
}

/* ============================================================
   既予約者向けの案内
   ============================================================ */
.bk-already-used {
    text-align: center;
    padding: 2rem 0;
}

/* ============================================================
   未ログイン時のログイン要求パネル
   ============================================================ */
.bk-login-required {
    text-align: center;
    padding: 1.5rem 0 2rem;
}

.bk-login-benefits {
    max-width: 380px;
    margin: 2rem auto;
    padding: 1.3rem 1.5rem;
    background: var(--bk-bg-soft);
    border-radius: 8px;
    text-align: left;
}

.bk-benefit-row {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.5rem 0;
}

.bk-benefit-row:not(:last-child) {
    border-bottom: 1px dashed var(--bk-border);
}

.bk-benefit-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bk-blue);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 500;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.bk-benefit-text {
    font-size: .9rem;
    color: var(--bk-text);
    line-height: 1.7;
    letter-spacing: 0.04em;
}

/* ============================================================
   フッター
   ============================================================ */
.bk-footer {
    background: var(--bk-bg-deep);
    padding: 2rem 1.5rem;
    text-align: center;
}

.bk-footer-text {
    max-width: 720px;
    margin: 0 auto;
    font-family: var(--bk-font-serif);
    font-size: .9rem;
    color: var(--bk-text-light);
    letter-spacing: 0.2em;
    line-height: 2;
}

.bk-footer-link {
    color: var(--bk-blue);
    text-decoration: none;
    font-size: .9rem;
    letter-spacing: 0.1em;
}

/* ============================================================
   レスポンシブ調整
   ============================================================ */
@media (max-width: 600px) {
    .bk-main {
        padding: 1.5rem 1rem 2.5rem;
    }
    
    .bk-title {
        font-size: 1.5rem;
    }
    
    .bk-title-md {
        font-size: 1.25rem;
    }
    
    .bk-confirm-label {
        flex: 0 0 90px;
        font-size: .875rem;
    }
    
    .bk-confirm-value {
        font-size: .9rem;
    }
    
    .bk-button-primary,
    .bk-button-secondary {
        min-width: 0;
        width: 100%;
    }
    
    .bk-cta-group {
        align-items: stretch;
    }
}