/**
 * 施工実績ページ専用スタイルシート
 * 共通スタイルはstyle.cssを参照
 */

/* ページヒーロー */
.page-hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #34495e 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* ==========================================================================
   施工実績
   ========================================================================== */
/* フィルター */
.filter-section {
    padding: 2rem 0;
    background-color: var(--white);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

/* 施工実績グリッド */
.works-section {
    padding: 3rem 0;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.work-item {
    animation: fadeInUp 0.6s ease;
}

.work-item.hidden {
    display: none;
}

.work-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.work-images {
    position: relative;
}

.work-main-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.work-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.work-card:hover .work-main-image img {
    transform: scale(1.1);
}

.image-count {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.work-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.work-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.work-category {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.work-description {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
    flex-grow: 1;
}

.work-details {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.work-details span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.view-gallery-btn {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.view-gallery-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.4);
}

/* ライトボックス */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: block;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 107, 0, 0.8);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.lightbox-close {
    top: 2rem;
    right: 2rem;
}

.lightbox-prev {
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-prev:hover {
    transform: translateY(-50%) scale(1.1);
}

.lightbox-next {
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next:hover {
    transform: translateY(-50%) scale(1.1);
}

.lightbox-image-container {
    position: relative;
    max-width: 90%;
    max-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-loader {
    position: absolute;
    color: var(--white);
    font-size: 3rem;
    animation: spin 1s linear infinite;
}

.lightbox-image-container img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-image-container img.loaded {
    opacity: 1;
}

.lightbox-info {
    margin-top: 1.5rem;
    text-align: center;
    color: var(--white);
}

.lightbox-counter {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.lightbox-caption {
    font-size: 1rem;
    opacity: 0.8;
}

.lightbox-thumbnails {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 800px;
}

.lightbox-thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 4px;
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition);
    overflow: hidden;
}

.lightbox-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lightbox-thumbnail:hover {
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.lightbox-thumbnail.active {
    border-color: var(--primary-color);
}



/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   レスポンシブデザイン
   ========================================================================== */

@media (max-width: 768px) {

    .works-grid {
        grid-template-columns: 1fr;
    }

    .lightbox-content {
        padding: 1rem;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }

    .lightbox-image-container {
        max-width: 95%;
        max-height: 60vh;
    }

    .lightbox-image-container img {
        max-height: 60vh;
    }

    .lightbox-thumbnails {
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .lightbox-thumbnail {
        width: 60px;
        height: 45px;
    }

    .cta-title {
        font-size: 1.8rem;
    }

    .cta-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .filter-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-btn {
        width: 100%;
    }

    .stat-number {
        font-size: 2rem;
    }

    .lightbox-thumbnails {
        display: none;
    }
}