/**
 * 康仁寺子屋 座席予約システム
 * コース選択ページ専用スタイル
 */

/* ========================================
   ウェルカムセクション
   ======================================== */

.welcome-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.welcome-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.welcome-section p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ========================================
   コース選択
   ======================================== */

.course-selection {
    margin-bottom: var(--spacing-2xl);
}

.course-selection h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.course-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.course-card {
    background: var(--bg-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--text-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.course-name {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.course-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.course-arrow {
    display: block;
    text-align: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.course-card:hover .course-arrow {
    transform: translateX(4px);
}

/* ========================================
   予約の流れ
   ======================================== */

.info-section {
    background: var(--bg-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-2xl);
}

.info-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.reservation-steps {
    list-style: none;
    counter-reset: step-counter;
}

.reservation-steps li {
    counter-increment: step-counter;
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.reservation-steps li:last-child {
    margin-bottom: 0;
}

.reservation-steps li::after {
    content: '';
    position: absolute;
    left: 20px;
    top: 50px;
    width: 2px;
    height: calc(100% - 30px);
    background: var(--gray-200);
}

.reservation-steps li:last-child::after {
    display: none;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    flex-shrink: 0;
    margin-right: var(--spacing-md);
    z-index: 1;
}

.step-content {
    flex: 1;
}

.step-content strong {
    display: block;
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ========================================
   注意事項
   ======================================== */

.notice-section {
    background: #fef3c7;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--warning-color);
    margin-bottom: var(--spacing-2xl);
}

.notice-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.notice-list {
    list-style: none;
    padding-left: 0;
}

.notice-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-color);
    line-height: 1.6;
}

.notice-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--warning-color);
}

.notice-list li:last-child {
    margin-bottom: 0;
}

/* ========================================
   今月の予約対象
   ======================================== */

.current-month-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
}

.current-month-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.month-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.month-item {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    backdrop-filter: blur(10px);
}

.month-label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.month-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

/* ========================================
   レスポンシブ
   ======================================== */

@media (max-width: 767px) {
    .course-cards {
        grid-template-columns: 1fr;
    }
    
    .reservation-steps li {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .reservation-steps li::after {
        left: 20px;
        top: 60px;
    }
    
    .step-number {
        margin-bottom: var(--spacing-sm);
    }
    
    .month-display {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .course-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .course-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}