/* ========================================
   フォーム共通スタイル
======================================== */
.reservation-form {
    background: var(--secondary-bg);
    padding: 50px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

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

.form-label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.required {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-bg);
    background: var(--accent-gold);
    border-radius: 3px;
}

.required-mark {
    color: var(--accent-gold);
    font-weight: bold;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    font-family: var(--font-jp);
    color: var(--text-primary);
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-notice {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 5px;
    line-height: 1.6;
}

.form-help {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* 郵便番号・電話番号 */
.zipcode-input,
.phone-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-input-small {
    width: 100px;
    padding: 15px 20px;
    font-size: 1rem;
    font-family: var(--font-jp);
    color: var(--text-primary);
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    transition: var(--transition-fast);
}

.form-input-small:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.zipcode-hyphen {
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* チェックボックス */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.checkbox-label:hover {
    border-color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.05);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    cursor: pointer;
    accent-color: var(--accent-gold);
}

.checkbox-text {
    font-size: 1rem;
    color: var(--text-primary);
}

/* アコーディオン */
.accordion-section {
    margin-bottom: 30px;
}

.accordion-button {
    width: 100%;
    padding: 20px;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.accordion-button:hover {
    border-color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.05);
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-button[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content.active {
    max-height: 1000px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 5px 5px;
    background: var(--primary-bg);
}

/* 送信ボタン */
.form-submit {
    margin-top: 40px;
    text-align: center;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 50px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: var(--primary-bg);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.3);
    transition: var(--transition-smooth);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

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

.btn-submit svg {
    transition: transform 0.3s ease;
}

.btn-submit:hover svg {
    transform: translateX(5px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 50px;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* 準備中ページ用ボタン */
.button-group {
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-notes {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 50px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: var(--primary-bg);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.3);
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-notes:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

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

.btn-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 50px;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.btn-back:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    transform: translateY(-3px);
}

/* 確認画面 */
.confirm-data {
    background: var(--secondary-bg);
    padding: 40px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 40px;
}

.confirm-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.confirm-table tr {
    border-bottom: 1px solid var(--border-color);
}

.confirm-table tr:last-child {
    border-bottom: none;
}

.confirm-table th {
    width: 200px;
    padding: 20px;
    text-align: left;
    font-weight: 600;
    color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.05);
    border-right: 1px solid var(--border-color);
    vertical-align: top;
}

.confirm-table td {
    padding: 20px;
    color: var(--text-primary);
    line-height: 1.8;
}

.form-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .reservation-form {
        padding: 30px 20px;
    }
    
    .zipcode-input,
    .phone-input {
        flex-direction: row;
    }
    
    .form-input-small {
        width: 80px;
    }
    
    .confirm-table {
        display: block;
    }
    
    .confirm-table tr,
    .confirm-table th,
    .confirm-table td {
        display: block;
        width: 100%;
    }
    
    .confirm-table th {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 15px 20px;
    }
    
    .confirm-table td {
        padding: 15px 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-submit,
    .btn-secondary {
        width: 100%;
    }
    
    .btn-notes,
    .btn-back {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .reservation-form {
        padding: 25px 15px;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    
    .btn-submit,
    .btn-secondary {
        padding: 16px 40px;
        font-size: 1rem;
    }
    
    .btn-notes {
        padding: 18px 50px;
        font-size: 1.1rem;
    }
    
    .btn-back {
        padding: 14px 35px;
        font-size: 0.95rem;
    }
    
    .accordion-content.active {
        padding: 15px;
    }
}