/* レスポンシブデザイン */

/* タブレット以下 */
@media (max-width: 768px) {
    
    /* Header */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--white);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 999;
        padding-top: 80px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 0;
        padding: 2rem;
    }
    
    .nav-menu li {
        border-bottom: 1px solid var(--border-gray);
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem 0;
        font-size: 1.1rem;
    }
    
    /* Hero Section */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Section共通 */
    section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    /* Mission Grid */
    .mission-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mission-item {
        padding: 1.5rem;
    }
    
    /* Values Grid */
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .value-item {
        padding: 1.5rem;
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-item {
        padding: 1.5rem;
    }
    
    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .detail-item {
        grid-template-columns: 100px 1fr;
        gap: 0.5rem;
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }
    
    .stat-item {
        flex: 1;
        margin: 0 0.5rem;
    }
    
    /* Cases */
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    /* Policy */
    .policy-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Access */
    .access-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Sustainability */
    .goals-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
}

/* スマートフォン */
@media (max-width: 480px) {
    
    .container {
        padding: 0 15px;
    }
    
    /* Header */
    .header-content {
        padding: 0.8rem 0;
    }
    
    .logo h1 {
        font-size: 1.6rem;
    }
    
    .logo span {
        font-size: 0.8rem;
    }
    
    .nav-menu {
        width: 280px;
    }
    
    /* Hero Section */
    .hero {
        padding: 90px 0 50px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }
    
    /* Section共通 */
    section {
        padding: 50px 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    /* Mission */
    .mission-item {
        padding: 1.2rem;
    }
    
    .mission-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .mission-icon i {
        font-size: 1.5rem;
    }
    
    .mission-item h3 {
        font-size: 1.1rem;
    }
    
    /* Values */
    .value-item {
        padding: 1.2rem;
    }
    
    .value-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
        top: -8px;
        left: 1.2rem;
    }
    
    .value-item h3 {
        font-size: 1.1rem;
    }
    
    /* Services */
    .service-item {
        padding: 1.2rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .service-item h3 {
        font-size: 1.1rem;
    }
    
    /* CTA */
    .cta-content h2 {
        font-size: 1.6rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
    
    /* About */
    .about-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-item {
        margin: 0;
    }
    
    .detail-item {
        grid-template-columns: 80px 1fr;
        font-size: 0.9rem;
    }
    
    /* Cases */
    .case-content {
        padding: 1.5rem;
    }
    
    /* Policy */
    .policy-item {
        padding: 1.5rem;
    }
    
    /* Recruitment */
    .recruitment-message {
        padding: 1.5rem;
    }
    
    .position-item {
        padding: 1.5rem;
    }
    
    .recruitment-benefits ul {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-method {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
    }
    
    .method-icon {
        margin: 0 auto 1rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    /* Access */
    .map-placeholder {
        height: 250px;
    }
    
    /* Sustainability */
    .sustainability-intro {
        padding: 1.5rem;
    }
    
    .goal-item {
        padding: 1.5rem;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-section {
        margin-bottom: 1.5rem;
    }
}

/* 大画面対応 */
@media (min-width: 1400px) {
    
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.8rem;
    }
    
    .section-header h2 {
        font-size: 3rem;
    }
    
    .mission-grid,
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ナビゲーションメニューのオーバーレイ */
@media (max-width: 768px) {
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* 横画面のスマートフォン対応 */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    section {
        padding: 40px 0;
    }
}

/* ボタンのタッチ対応 */
@media (hover: none) {
    .btn:hover {
        transform: none;
    }
    
    .mission-item:hover,
    .value-item:hover,
    .service-item:hover {
        transform: none;
    }
}

/* 高解像度ディスプレイ対応 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .mission-icon,
    .service-icon,
    .value-number {
        /* 高解像度での調整が必要な場合はここに記述 */
    }
}