@charset "UTF-8";

/* ==========================================================================
   1. Variables & Base Settings
   ========================================================================== */
:root {
    --accent-color: #b71c1c; /* 鮮血のような深い赤 */
    --accent-glow: rgba(183, 28, 28, 0.5);
    --bg-dark: #050508;
    --card-bg: rgba(15, 15, 20, 0.5); /* より深く透過させる */
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-sub: #a0a0a5;
    --font-heading: "Shippori Mincho", "Cinzel", serif;
    --font-body: "Noto Sans JP", sans-serif;
}

main .container {
    max-width: 800px;
    margin: 40px auto 80px;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ==========================================================================
   2. Typography & Headings
   ========================================================================== */
main h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    letter-spacing: 0.15em;
    text-align: center;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

main h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: #fff;
    border-bottom: 1px solid var(--accent-color);
    padding-bottom: 10px;
    margin-bottom: 30px;
    display: inline-block;
}

main .subtitle {
    text-align: center;
    color: var(--text-sub);
    font-size: 0.95rem;
    margin-bottom: 50px;
    letter-spacing: 0.1em;
}

/* ==========================================================================
   3. Container & Glassmorphism
   ========================================================================== */
#calendar-section, .section-box {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: clamp(30px, 5vw, 50px);
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.1);
    animation: slideUpFade 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    position: relative;
    overflow: hidden;
}

/* セクションの奥でうっすら赤く光る演出 */
#calendar-section::before, .section-box::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    opacity: 0.5;
}

/* ==========================================================================
   4. FullCalendar Override (カレンダー)
   ========================================================================== */
.fc {
    --fc-border-color: rgba(255,255,255,0.05);
    --fc-button-text-color: #fff;
    --fc-button-bg-color: transparent;
    --fc-button-border-color: rgba(255,255,255,0.2);
    --fc-button-hover-bg-color: rgba(183, 28, 28, 0.2);
    --fc-button-hover-border-color: var(--accent-color);
    --fc-button-active-bg-color: var(--accent-color);
    --fc-button-active-border-color: var(--accent-color);
    --fc-today-bg-color: rgba(255, 255, 255, 0.03);
    font-family: "Cinzel", var(--font-body);
}

.fc .fc-toolbar {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 15px;
    margin-bottom: 30px !important;
}

.fc .fc-toolbar-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 6vw, 2.4rem) !important;
    letter-spacing: 0.1em;
    color: #fff;
}

.fc .fc-toolbar-chunk {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* カレンダー上部ボタンの文字折り返しを防止 */
.fc .fc-button {
    white-space: nowrap !important;
    padding: 0.4em 0.8em !important;
    /* 1行に収まるよう左右の余白を少し調整 */
}

.fc-daygrid-day-number {
    font-family:  "Noto Sans JP", "Cinzel", serif;
    font-size: 1.0rem;
    color: var(--text-sub);
    padding: 8px !important;
}

/* 曜日のヘッダー */
.fc-col-header-cell-cushion {
    font-weight: 400;
    color: #ddd;
    letter-spacing: 0.1em;
    padding: 10px 0 !important;
}

/* 予約枠（イベント）ボタン */
.fc-event {
    border: none !important;
    border-radius: 4px !important;
    padding: 2px 2px !important;
    font-size: 1.1rem !important;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    margin: 2px 4px !important;
}

.slot-available {
    background: linear-gradient(135deg, rgba(183,28,28,0.8) 0%, rgba(94,12,12,0.8) 100%) !important;
    color: #fff !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    cursor: pointer;
}

.slot-available:hover {
    transform: translateY(-2px) scale(1.02);
    background: linear-gradient(135deg, rgba(211,47,47,0.95) 0%, rgba(183,28,28,0.95) 100%) !important;
    box-shadow: 0 8px 20px var(--accent-glow);
}

.slot-full {
    background: rgba(255, 255, 255, 0.03) !important;
    color: #555 !important;
    cursor: not-allowed;
}

/* ==========================================================================
   5. Form Elements 
   ========================================================================== */
.yoyaku {
    margin-bottom: 20px;
}

#display-selected-datetime{
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;;
    /* color: var(--accent-color); */
    text-align: center;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 30px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

input[type="text"], input[type="email"], input[type="tel"], select, textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 16px;
    color: #fff;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

/* フォーカス時のリッチなエフェクト */
input:focus, select:focus, textarea:focus {
    outline: none;
    background: rgba(0, 0, 0, 0.6);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(183, 28, 28, 0.2);
}

.form-group:focus-within label {
    color: #fff;
}
.form-group ::placeholder{
color: #444;
}

.total-fee-wrap{
    margin-bottom: 20px;
}

/* チェックボックス */
.checkbox-group label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: #fff;
}
.checkbox-group input {
    width: 20px; height: 20px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

/* セレクトボックスのカスタム矢印 */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    /* 白い下向き矢印を背景画像として埋め込み */
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") !important;
    background-repeat: no-repeat !important;
    background-position: right 15px center !important;
    background-size: 18px !important;
    padding-right: 40px !important;
}

/* ==========================================================================
   6. Buttons
   ========================================================================== */
.button-group {
    display: flex;
    gap: 20px;
    margin-top: 50px;
}

main button {
    flex: 1;
    padding: 18px 20px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    border: none;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, #5e0c0c 100%);
    color: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

/* キラッと光るエフェクト */
.btn-primary::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--accent-glow);
}
.btn-primary:hover::after { left: 100%; }

.btn-primary:disabled {
    background: rgba(255,255,255,0.05);
    color: #555;
    box-shadow: none;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

/* ==========================================================================
   7. Confirm & Policy (確認画面)
   ========================================================================== */
.confirm-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    overflow: hidden;
}

.confirm-table th, .confirm-table td {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.95rem;
}

.confirm-table th {
    width: 35%;
    color: var(--text-sub);
    font-weight: normal;
    text-align: left;
    background: rgba(255,255,255,0.02);
}
.confirm-table tr:last-child th, .confirm-table tr:last-child td { border-bottom: none; }

.policy-box {
    background: rgba(183, 28, 28, 0.05);
    border: 1px solid rgba(183, 28, 28, 0.3);
    padding: 30px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.8;
}

.policy-box h3 {
    color: var(--accent-color);
    margin-top: 0;
    font-family: var(--font-heading);
    letter-spacing: 0.1em;
}

.policy-box ul {
    padding-left: 20px;
    color: #ccc;
}

.policy-agree {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-top: 25px;
    cursor: pointer;
    font-size: 1rem;
    color: #fff;
    padding: 15px 25px;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: 0.3s;
}
.policy-agree:hover { border-color: var(--accent-color); }
.policy-agree input { transform: scale(1.5); accent-color: var(--accent-color); }

/* ==========================================================================
   8. Utilities & Animations
   ========================================================================== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }

#display-date { font-family: "Cinzel", serif; font-size: 1.5rem; color: var(--text-main); }

/* ローディング画面 */
#loading-overlay {
    position: fixed; inset: 0;
    background: rgba(5, 5, 8, 0.9);
    backdrop-filter: blur(10px);
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    z-index: 10000;
}
.spinner {
    width: 50px; height: 50px;
    border: 2px solid rgba(255,255,255,0.05);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.loading-text {
    margin-top: 20px; font-family: var(--font-heading); letter-spacing: 0.2em; color: var(--text-sub);
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }


/* ==========================================================================
   8. モバイル最適化 
   ========================================================================== */
@media (max-width: 768px) {
    /* --- 全体レイアウト --- */
    .container {
        width: 100vw;
        margin: 0px auto;
        padding: 0 15px;
    }

    /* コンテンツ幅を広げ、角丸を少し抑えて画面を有効活用 */
    #calendar-section, .section-box { 
        padding: 25px 15px; 
        border-radius: 16px;
    }

    /* --- タイトル周り --- */
    h1 {
        font-size: 1.6rem;
        letter-spacing: 0.1em;
    }
    .subtitle {
        font-size: 0.85rem;
        margin-bottom: 30px;
    }
    h2 {
        font-size: 1.25rem;
        margin-bottom: 20px;
    }

    /* --- カレンダー (FullCalendar) スマホ特化 --- */
    .fc .fc-toolbar-title {
        font-size: 1.6rem; /* 月のタイトルを少し小さく */
    }
    .fc-toolbar-chunk {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .fc-col-header-cell-cushion {
        font-size: 0.8rem;
        padding: 5px 0 !important; /* 曜日の余白を減らす */
    }
    .fc .fc-view-harness {
        height: 60vh !important;
        padding-bottom: 0 !important;
    }
    /* .fc .fc-scroller {
        height: auto !important;
        overflow: visible !important;
    } */
    .fc-daygrid-day-frame {
        min-height: 70px !important; /* 1画面に収まるように高さを縮小 */
    }
    .fc-daygrid-day-number {
        font-size: 0.8rem;
        font-family: var(--font-body);
        padding: 4px !important; /* 余白を削ってボタンのスペースを確保 */
    }
    .fc-event {
        font-size: 0.8rem !important; /* 文字を少しだけ小さく */
        padding: 4px 2px !important; /* 縦の余白を減らしてマスの膨張を防ぐ */
        margin: 1px !important;
        white-space: normal; 
        line-height: 1.2;
    }

    /* --- フォーム入力（iOSズーム防止とタップ領域確保） --- */
    .form-group {
        margin-bottom: 25px;
    }
    input[type="text"], input[type="email"], input[type="tel"], select, textarea {
        padding: 14px;
        font-size: 16px !important; /* ※重要: iOS Safariで入力時に画面がズームするのを防ぐ */
    }

    /* --- ボタン --- */
    .button-group { 
        flex-direction: column-reverse; /* スマホでは縦並びに */
        gap: 15px; 
        margin-top: 30px;
    }
    button {
        width: 100%; /* ボタンを横幅いっぱいにして押しやすく */
        padding: 16px;
        font-size: 1rem;
    }
    .btn-secondary {
        border: none;
        color: var(--text-sub);
        margin-top: 20px;
        padding: 10px;
        font-size: 0.95rem;
        text-decoration: underline;
        background: transparent;
    }

    /* --- 確認画面 (テーブルを縦並びに変形) --- */
    .confirm-table th, .confirm-table td { 
        padding: 12px 10px; 
        display: block; 
        width: 100%; 
        box-sizing: border-box;
    }
    .confirm-table th { 
        background: transparent; 
        padding-bottom: 2px; 
        color: var(--accent-color); 
        border-bottom: none;
        font-size: 0.85rem;
    }
    .confirm-table td { 
        padding-top: 0; 
        border-bottom: 1px solid rgba(255,255,255,0.1); 
        margin-bottom: 10px;
        font-size: 1rem;
    }

    /* --- ポリシー同意BOX --- */
    .policy-box {
        padding: 20px 15px;
    }
    .policy-box ul {
        padding-left: 15px;
        font-size: 0.8rem;
    }
    .policy-agree {
        flex-direction: row; /* チェックボックスと文字は横並びのまま */
        align-items: flex-start; /* 文字が複数行になった時、上揃えにする */
        padding: 15px;
        font-size: 0.9rem;
        line-height: 1.4;
    }
    .policy-agree input {
        margin-top: 2px; /* 上揃え時の位置微調整 */
    }
}

/* ==========================================================================
   ★追加: ステップバー (進行状況)
   ========================================================================== */
.step-bar {
    display: flex;
    justify-content: space-between;
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    position: relative;
}
/* 丸をつなぐ横線 */
.step-bar::before {
    content: ''; position: absolute; top: 15px; left: 10%; width: 80%; height: 2px;
    background: rgba(255,255,255,0.1); z-index: 1;
}
.step-bar li {
    position: relative; z-index: 2; text-align: center;
    color: var(--text-sub); font-size: 0.8rem; flex: 1;
    transition: 0.3s;
}
.step-bar li span {
    display: block; width: 30px; height: 30px; line-height: 28px; margin: 0 auto 8px;
    background: var(--bg-dark); border: 2px solid rgba(255,255,255,0.1);
    border-radius: 50%; font-weight: bold; transition: 0.3s;
}
/* 現在のステップの色 */
.step-bar li.active { color: #fff; }
.step-bar li.active span {
    background: var(--accent-color); border-color: var(--accent-color);
    color: #fff; box-shadow: 0 0 10px var(--accent-glow);
}
/* スマホ向けの微調整 */
@media (max-width: 768px) {
    .step-bar li { font-size: 0.65rem; }
    .step-bar li span { width: 24px; height: 24px; line-height: 22px; margin-bottom: 4px; }
    .step-bar::before { top: 12px; }
}