/* レスポンシブデザインの詳細設定 */

/* タブレット対応 (768px-1024px) */
@media (max-width: 1024px) {
    .container {
        max-width: 90%;
    }
    
    .nav-list {
        gap: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .solutions-content {
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

/* モバイル対応 (768px以下) */
@media (max-width: 768px) {
    /* ヘッダー */
    .header-inner {
        padding: 0.8rem 0;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo span {
        font-size: 1rem;
    }
    
    .mobile-menu-btn {
        display: block;
        color: #2563eb;
        font-size: 1.8rem;
    }
    
    /* ヒーローセクション */
    .hero {
        padding: 100px 0 60px;
        min-height: 60vh;
        display: flex;
        align-items: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn {
        padding: 14px 35px;
        font-size: 1rem;
        min-width: 200px;
        text-align: center;
    }
    
    /* セクションテーマ */
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    /* 企業の悩み */
    .problems {
        padding: 60px 0;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .reasons-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .problem-card {
        padding: 1.8rem;
    }
    
    .problem-icon {
        font-size: 2.5rem;
        margin-bottom: 1.2rem;
    }
    
    .problem-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    /* 解決提案 */
    .solutions {
        padding: 60px 0;
    }
    
    .solutions-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .solution-text h3 {
        font-size: 1.6rem;
        text-align: center;
    }
    
    .solution-text p {
        font-size: 1rem;
        text-align: center;
    }
    
    .solution-points li {
        font-size: 1rem;
        justify-content: center;
    }
    
    /* サービス一覧 */
    .services {
        padding: 60px 0;
    }
    
    .services-categories {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
        margin-bottom: 2.5rem;
    }
    
    .category-btn {
        padding: 12px 25px;
        font-size: 0.95rem;
        min-width: 200px;
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.8rem;
    }
    
    /* 導入までの流れ */
    .flow {
        padding: 60px 0;
    }
    
    .flow-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .flow-step {
        margin-bottom: 2rem;
        max-width: 300px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
        font-size: 1.5rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    /* お問い合わせ */
    .contact {
        padding: 60px 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .contact-info h3 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .contact-info p {
        font-size: 1rem;
        text-align: center;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        align-items: center;
        margin-bottom: 1.5rem;
    }
    
    .contact-method i {
        margin-right: 0;
        margin-bottom: 0.8rem;
    }
    
    .contact-form {
        padding: 1.8rem;
    }
    
    .form-group {
        margin-bottom: 1.3rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 14px;
        font-size: 1rem;
    }
    
    /* フッター */
    .footer {
        padding: 2.5rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: 1.5rem;
    }
    
    .footer-section ul li {
        margin-bottom: 0.8rem;
    }
}

/* 小さいモバイル対応 (480px以下) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.7rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 0.95rem;
    }
    
    .problem-card,
    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
    
    .contact-method {
        margin-bottom: 1.2rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px;
        font-size: 0.95rem;
    }
}

/* 大きなモニター対応 (1600px以上) */
@media (min-width: 1600px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .problems-grid,
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* アニメーションとトランジション */
@media (prefers-reduced-motion: no-preference) {
    .problem-card,
    .service-card {
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .btn {
        transition: all 0.3s ease;
    }
    
    .category-btn {
        transition: all 0.3s ease;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        transition: border-color 0.3s ease;
    }
}

/* ハイコントラストモード対応 */
@media (prefers-contrast: high) {
    .header {
        border-bottom: 2px solid #333;
    }
    
    .btn-primary {
        border: 2px solid white;
    }
    
    .btn-secondary {
        border: 2px solid #2563eb;
    }
    
    .problem-card,
    .service-card,
    .contact-form {
        border: 2px solid #333;
    }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    body {
        background: #1a1a1a;
        color: #e2e8f0;
    }
    
    .header {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    .logo h1 {
        color: #63b3ed;
    }
    
    .nav-list a {
        color: #e2e8f0;
    }
    
    .nav-list a:hover {
        color: #63b3ed;
    }
    
    .problem-card,
    .service-card,
    .contact-form {
        background: #2d3748;
        color: #e2e8f0;
    }
    
    .section-title {
        color: #e2e8f0;
    }
    
    .footer {
        background: #1a202c;
    }
}