/* ソリューションページ専用スタイル */

/* ソリューション一覧セクション */
.solutions-overview {
    padding: var(--spacing-xl) 0;
    background: var(--haichat-dark-gray);
}

.solutions-overview h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--haichat-white);
    font-size: 2.5rem;
    font-weight: 700;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.solution-card {
    background: var(--haichat-black);
    border: 1px solid #333;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--haichat-blue), var(--haichat-purple));
    transform: scaleX(0);
}

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

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
    border-color: var(--haichat-blue);
}

.solution-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.solution-icon {
    font-size: 2.5rem;
    margin-right: var(--spacing-md);
}

.solution-header h3 {
    color: var(--haichat-white);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.solution-image {
    width: 100%;
    height: 360px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    background: var(--haichat-black);
    border: 1px solid #333;
    will-change: transform, border-color, box-shadow;
}

.solution-image-wrapper {
    width: 100%;
    height: 100%;
    overflow-x: auto;
    overflow-y: auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    scrollbar-width: thin;
    scrollbar-color: rgba(59, 130, 246, 0.5) var(--haichat-black);
}

.solution-image-wrapper::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.solution-image-wrapper::-webkit-scrollbar-track {
    background: var(--haichat-black);
    border-radius: var(--border-radius-sm);
}

.solution-image-wrapper::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.5);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--haichat-black);
}

.solution-image-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.7);
}

.solution-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
    z-index: 2;
    pointer-events: none;
}

.solution-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 240px;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.95) 0%,
        rgba(0, 0, 0, 0.8) 25%,
        rgba(0, 0, 0, 0.4) 50%,
        transparent 100%
    );
    z-index: 2;
    pointer-events: none;
}

.solution-image-wrapper img {
    width: auto;
    height: auto;
    min-width: 100%;
    min-height: 100%;
    max-width: none;
    max-height: none;
    object-fit: contain;
    filter: saturate(1.1) contrast(1.1);
    display: block;
}

.solution-card:hover .solution-image-wrapper img {
    transform: scale(1.05);
    filter: saturate(1.2) contrast(1.15);
}

.solution-card:hover .solution-image::before {
    background: linear-gradient(135deg,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.3) 100%
    );
}

.solution-image-overlay {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 2;
}

.solution-tag {
    background: var(--haichat-blue);
    color: var(--haichat-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.02em;
}

.solution-image-content {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transform: translateY(0);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    pointer-events: none;
}

.solution-image-icon {
    width: 56px;
    height: 56px;
    background: var(--haichat-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.solution-image-icon i {
    font-size: 1.6rem;
    color: var(--haichat-white);
}

.solution-image-text h4 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.solution-image-text p {
    color: var(--haichat-white);
    font-size: 0.95rem;
    opacity: 0.95;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.solution-card:hover .solution-image-content {
    transform: translateY(-4px);
}

.solution-card:hover .solution-image-icon {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.solution-card:hover .solution-image-icon i {
    transform: scale(1.1);
}

.solution-card:hover .solution-image-text h4 {
    transform: translateY(-2px);
}

.solution-card:hover .solution-image-text p {
    opacity: 1;
}

.solution-card:hover .solution-image {
    border-color: var(--haichat-blue);
}

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

.solution-content p {
    color: var(--haichat-white);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.solution-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.solution-features li {
    color: var(--haichat-white);
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--haichat-blue);
    font-weight: bold;
}

.solution-stats {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid #333;
}

.solution-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid #333;
}

.solution-meta {
    display: flex;
    gap: var(--spacing-md);
    color: var(--haichat-light-gray);
    font-size: 0.85rem;
}

.solution-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-outline {
    background: transparent;
    color: var(--haichat-blue);
    border: 2px solid var(--haichat-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
}

.btn-outline:hover {
    background: var(--haichat-blue);
    color: var(--haichat-white);
    transform: translateY(-2px);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    color: var(--haichat-blue);
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    display: block;
    color: var(--haichat-white);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* 詳細ソリューションセクション */
.detailed-solutions {
    padding: var(--spacing-xl) 0;
    background: var(--haichat-black);
}

.detailed-solutions h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--haichat-white);
    font-size: 2.5rem;
    font-weight: 700;
}

.solution-detail {
    margin-bottom: var(--spacing-xl);
    background: var(--haichat-dark-gray);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid #333;
}

.solution-detail-content h3 {
    color: var(--haichat-white);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.solution-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-item {
    background: var(--haichat-black);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: 1px solid #333;
}

.benefit-item:hover {
    border-color: var(--haichat-blue);
    transform: translateY(-2px);
}

.benefit-item h4 {
    color: var(--haichat-blue);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.benefit-item p {
    color: var(--haichat-white);
    line-height: 1.6;
}

/* 導入事例セクション */
.use-cases {
    padding: var(--spacing-xl) 0;
    background: var(--haichat-dark-gray);
}

.use-cases h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--haichat-white);
    font-size: 2.5rem;
    font-weight: 700;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.use-case-card {
    background: var(--haichat-black);
    border: 1px solid #333;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--haichat-purple), var(--haichat-blue));
    transform: scaleX(0);
}

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

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(147, 51, 234, 0.2);
    border-color: var(--haichat-purple);
}

.use-case-card h3 {
    color: var(--haichat-white);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-md) 0;
}

.use-case-card p {
    color: var(--haichat-white);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.use-case-stats {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid #333;
}

.use-case-stats .stat {
    text-align: center;
}

.use-case-stats .stat-number {
    display: block;
    color: var(--haichat-purple);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.use-case-stats .stat-label {
    display: block;
    color: var(--haichat-white);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}


/* CTAセクション */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: var(--haichat-dark-gray);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--haichat-white);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: var(--haichat-white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--haichat-blue);
    color: var(--haichat-white);
}

.btn-primary:hover {
    background: var(--haichat-dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--haichat-white);
    border-color: var(--haichat-white);
}

.btn-secondary:hover {
    background: var(--haichat-white);
    color: var(--haichat-black);
    transform: translateY(-2px);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .solution-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .solutions-overview h2,
    .detailed-solutions h2,
    .use-cases h2,
    .industry-comparison h2,
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .solution-detail-content h3 {
        font-size: 1.5rem;
    }
}

/* Medium devices (tablets) */
@media screen and (max-width: 768px) {
    .solution-image {
        height: 300px;
    }

    .solution-image::after {
        height: 200px;
    }
}

/* Small devices (phones) */
@media screen and (max-width: 480px) {
    .solution-card,
    .solution-detail,
    .use-case-card {
        padding: var(--spacing-md);
    }
    
    .solution-icon {
        font-size: 2rem;
    }

    .solution-image {
        height: 260px;
    }

    .solution-image-content {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .solution-image-icon {
        width: 48px;
        height: 48px;
    }

    .solution-image-icon i {
        font-size: 1.4rem;
    }

    .solution-image-text h4 {
        font-size: 1.2rem;
    }

    .solution-image-text p {
        font-size: 0.9rem;
        line-height: 1.4;
    }

    .solution-image::after {
        height: 160px;
    }

    .solution-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .solutions-overview h2,
    .detailed-solutions h2,
    .use-cases h2,
    .industry-comparison h2,
    .cta-content h2 {
        font-size: 1.8rem;
    }
    
    .solution-detail-content h3 {
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .use-case-stats .stat-number {
        font-size: 1.3rem;
    }
}

/* 画像拡大モーダル */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    opacity: 0;
    backdrop-filter: blur(10px);
}

.image-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.image-modal-container {
    position: relative;
    width: 90%;
    height: 90%;
    max-width: 95vw;
    max-height: 95vh;
    background: var(--haichat-dark-gray);
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(59, 130, 246, 0.5);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.image-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95) 0%, rgba(15, 23, 42, 0.95) 100%);
    border-bottom: 1px solid rgba(59, 130, 246, 0.3);
    flex-shrink: 0;
}

.image-modal-title {
    color: var(--haichat-white);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.image-modal-close {
    background: transparent;
    border: 2px solid rgba(59, 130, 246, 0.5);
    color: var(--haichat-white);
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.image-modal-close:hover,
.image-modal-close:focus {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--haichat-blue);
    transform: scale(1.1);
    outline: 2px solid var(--haichat-blue);
    outline-offset: 2px;
}

.image-modal-close:focus-visible {
    outline: 2px solid var(--haichat-blue);
    outline-offset: 2px;
}

.image-modal-content {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: rgba(59, 130, 246, 0.5) var(--haichat-dark-gray);
}

.image-modal-content::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.image-modal-content::-webkit-scrollbar-track {
    background: var(--haichat-dark-gray);
    border-radius: var(--border-radius-sm);
}

.image-modal-content::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.5);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--haichat-dark-gray);
}

.image-modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.7);
}

.image-modal-image {
    max-width: none;
    max-height: none;
    width: auto;
    height: auto;
    min-width: 100%;
    min-height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    cursor: zoom-in;
}

.image-modal-image.zoomed {
    cursor: zoom-out;
    transform: scale(1.5);
}

/* 画像クリック可能なスタイル */
.solution-image-wrapper img {
    cursor: pointer;
}

.solution-image-wrapper img:hover {
    opacity: 0.9;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .image-modal-container {
        width: 100%;
        height: 100%;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .image-modal-header {
        padding: var(--spacing-sm);
    }
    
    .image-modal-title {
        font-size: 1rem;
    }
    
    .image-modal-content {
        padding: var(--spacing-md);
    }
}