/* ========================================
   Construction Cases Section Styles
   施工事例セクション専用CSS
   ======================================== */

.construction-cases-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 80px 0;
}

/* タブナビゲーション */
.cases-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 40px auto 30px;
    max-width: 900px;
}

.cases-tab {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cases-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #f5f7fa;
}

.cases-tab.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.cases-tab i {
    font-size: 0.85rem;
}

/* 非表示の事例カード */
.case-card[data-hidden="true"] {
    display: none;
}

.case-card.show {
    display: block;
    animation: fadeInUp 0.5s ease;
}

/* フィルター時のアニメーション */
.case-card.hide {
    display: none;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* もっと見るボタン */
.cases-load-more {
    text-align: center;
    margin: 40px 0 20px;
}

.cases-load-more button {
    min-width: 320px;
}

#hiddenCasesCount {
    font-weight: 700;
    color: var(--accent-color);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.case-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.case-card-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #e8eef3 0%, #f5f7fa 100%);
}

.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.case-card:hover .case-card-image img {
    transform: scale(1.05);
}

.case-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #95a5a6;
    font-size: 1rem;
}

.case-image-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.3;
}

.case-image-placeholder p {
    margin: 0;
    font-weight: 500;
}

.case-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(39, 174, 96, 0.3);
}

.case-badge.premium {
    background: linear-gradient(135deg, #f39c12 0%, #d68910 100%);
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.4);
    padding: 8px 18px;
    font-size: 0.9rem;
}

.case-card-content {
    padding: 25px;
}

.case-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
}

.case-card-details {
    margin-bottom: 20px;
}

.case-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}

.case-detail-row:last-child {
    border-bottom: none;
}

.case-detail-row.price {
    margin-top: 10px;
    padding-top: 15px;
    border-top: 2px solid var(--secondary-color);
}

.case-detail-row.highlight {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe5cc 100%);
    padding: 12px;
    margin: 10px -10px;
    border-radius: 8px;
    border: 2px solid #f39c12;
}

.case-detail-row.highlight .case-label {
    color: #d68910;
    font-weight: 700;
}

.case-detail-row.highlight .case-value {
    color: #d68910;
    font-weight: 700;
    font-size: 0.9rem;
    line-height: 1.5;
}

.case-label {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 500;
}

.case-value {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 600;
    text-align: right;
}

.case-value.price-value {
    font-size: 1.3rem;
    color: var(--accent-color);
    font-weight: 700;
}

.case-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.case-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.case-more i {
    transition: transform 0.3s ease;
}

.case-card:hover .case-more i {
    transform: translateX(5px);
}

.cases-note {
    margin-top: 40px;
    padding: 20px 30px;
    background: linear-gradient(135deg, #fff3cd 0%, #fff8e1 100%);
    border-left: 4px solid #ffc107;
    border-radius: 8px;
}

.cases-note p {
    margin: 0;
    color: #856404;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cases-note i {
    color: #ffc107;
    font-size: 1.2rem;
}

.cases-cta {
    margin-top: 50px;
    text-align: center;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .construction-cases-section {
        padding: 60px 0;
    }

    .cases-tabs {
        gap: 8px;
        margin: 30px auto 20px;
    }

    .cases-tab {
        padding: 8px 14px;
        font-size: 0.8rem;
        border-radius: 20px;
    }

    .cases-tab i {
        font-size: 0.75rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .case-card-image {
        height: 200px;
    }

    .case-card-content {
        padding: 20px;
    }

    .case-card-title {
        font-size: 1.1rem;
    }

    .case-value.price-value {
        font-size: 1.2rem;
    }

    .cases-load-more button {
        min-width: 100%;
        font-size: 0.9rem;
    }

    .cases-note {
        padding: 15px 20px;
    }

    .cases-cta {
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    .construction-cases-section {
        padding: 50px 0;
    }

    .cases-tabs {
        gap: 6px;
        margin: 20px auto 15px;
    }

    .cases-tab {
        padding: 6px 12px;
        font-size: 0.75rem;
        border-radius: 18px;
    }

    .case-card-image {
        height: 180px;
    }

    .case-card-content {
        padding: 18px;
    }

    .case-card-title {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .case-detail-row {
        padding: 8px 0;
    }

    .case-label {
        font-size: 0.85rem;
    }

    .case-value {
        font-size: 0.9rem;
    }

    .case-value.price-value {
        font-size: 1.1rem;
    }

    .case-description {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .cases-load-more {
        margin: 30px 0 15px;
    }

    .cases-load-more button {
        font-size: 0.85rem;
        padding: 12px 20px;
    }

    .cases-note {
        padding: 12px 15px;
    }

    .cases-note p {
        font-size: 0.85rem;
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
}