/**
 * Front Page Mobile Optimization
 *
 * TOPページのモバイルUI/UX最適化
 * 可読性重視・堅実でプロフェッショナルなデザイン
 */

/* ==========================================================================
   Base Mobile Optimization
   ========================================================================== */

/* モバイル基本設定 */
@media (max-width: 768px) {
    /* コンテナのパディング調整 */
    .front-page-main .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    /* セクション間の余白を最適化 */
    .front-page-main section {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    /* 共通のセクションヘッダー */
    .section-header,
    .section-header-premium,
    .features-header-refined {
        margin-bottom: 40px;
    }

    /* タイトルの可読性向上 */
    .section-title,
    .section-title-premium .title-main,
    .features-title-refined {
        font-size: 1.75rem;
        line-height: 1.4;
        letter-spacing: -0.01em;
    }

    /* 説明文の可読性向上 */
    .section-description,
    .section-description-premium,
    .features-subtitle-refined {
        font-size: 0.95rem;
        line-height: 1.8;
    }
}

@media (max-width: 480px) {
    .front-page-main .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .front-page-main section {
        padding-top: 48px;
        padding-bottom: 48px;
    }

    .section-title,
    .section-title-premium .title-main,
    .features-title-refined {
        font-size: 1.5rem;
    }
}

/* ==========================================================================
   About Section Mobile - 私たちについて
   ========================================================================== */
@media (max-width: 768px) {
    .about-section-modern {
        padding: 60px 0;
    }

    /* 背景要素を簡素化 */
    .about-bg-elements .floating-shape {
        display: none;
    }

    .about-bg-gradient {
        opacity: 0.5;
    }

    .about-grid-pattern {
        opacity: 0.3;
    }

    /* レイアウトをシンプルに */
    .about-modern-wrapper {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }

    /* ビジュアル要素を縮小 */
    .about-visual-side {
        order: 1;
    }

    .about-visual-container {
        height: auto;
        min-height: 280px;
        padding: 20px 0;
    }

    /* 回転アニメーションを停止 */
    .visual-accent-ring {
        animation: none;
    }

    .visual-accent-ring.ring-1 {
        width: 220px;
        height: 220px;
    }

    .visual-accent-ring.ring-2 {
        width: 180px;
        height: 180px;
    }

    .visual-main-circle {
        width: 130px;
        height: 130px;
        animation: none;
        box-shadow:
            0 12px 40px rgba(0, 134, 123, 0.25),
            0 0 0 8px rgba(0, 134, 123, 0.08);
    }

    .circle-label {
        font-size: 0.7rem;
    }

    .circle-year {
        font-size: 2rem;
    }

    /* 統計情報を横並びで下部に配置 */
    .visual-stats {
        position: relative;
        display: flex;
        justify-content: center;
        gap: 16px;
        margin-top: 24px;
        height: auto;
        width: 100%;
    }

    .stat-item {
        position: relative;
        top: auto !important;
        right: auto !important;
        bottom: auto !important;
        left: auto !important;
        animation: none;
        padding: 12px 20px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    /* コンテンツ側 */
    .about-content-side {
        order: 2;
    }

    .about-header-modern {
        margin-bottom: 24px;
    }

    .about-label-badge {
        padding: 6px 14px;
        margin-bottom: 16px;
    }

    .label-icon {
        width: 20px;
        height: 20px;
        font-size: 0.6rem;
    }

    .label-text {
        font-size: 0.75rem;
    }

    .about-title-modern {
        font-size: 1.75rem;
        line-height: 1.4;
    }

    .title-underline {
        width: 60px;
        height: 3px;
        margin-top: 12px;
    }

    .about-text-modern {
        font-size: 0.95rem;
        line-height: 1.85;
        margin-bottom: 28px;
    }

    .about-text-modern p {
        margin-bottom: 1rem;
    }

    /* 特徴アイコンを2列で表示 */
    .about-features-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px 16px;
        margin-bottom: 28px;
    }

    .about-feature-item {
        gap: 8px;
    }

    .about-feature-item:last-child {
        grid-column: 1 / -1;
        justify-content: center;
    }

    .feature-icon-circle {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }

    .feature-text {
        font-size: 0.8rem;
    }

    /* ボタン */
    .about-action-modern {
        margin-bottom: 24px;
    }

    .about-btn-modern {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 0.95rem;
    }

    .about-btn-modern .btn-icon {
        width: 24px;
        height: 24px;
        font-size: 0.65rem;
    }

    /* 署名 */
    .about-signature-modern {
        justify-content: center;
    }

    .signature-line {
        width: 30px;
    }

    .signature-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .about-section-modern {
        padding: 48px 0;
    }

    .about-visual-container {
        min-height: 240px;
    }

    .visual-accent-ring.ring-1 {
        width: 180px;
        height: 180px;
    }

    .visual-accent-ring.ring-2 {
        width: 150px;
        height: 150px;
    }

    .visual-main-circle {
        width: 110px;
        height: 110px;
    }

    .circle-year {
        font-size: 1.75rem;
    }

    .stat-item {
        padding: 10px 16px;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .about-title-modern {
        font-size: 1.5rem;
    }

    .about-text-modern {
        font-size: 0.9rem;
    }

    /* 特徴アイコンを縦並びに */
    .about-features-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .about-feature-item,
    .about-feature-item:last-child {
        grid-column: auto;
        justify-content: flex-start;
    }
}

/* ==========================================================================
   Features Section Mobile - 選ばれる理由
   ========================================================================== */
@media (max-width: 768px) {
    .features-section-refined {
        padding: 60px 0 70px;
    }

    /* 背景要素を簡素化 */
    .refined-diagonal-lines {
        opacity: 0.3;
    }

    .refined-accent-circle {
        display: none;
    }

    /* ヘッダー */
    .features-header-refined {
        margin-bottom: 40px;
    }

    .header-top-line {
        gap: 12px;
        margin-bottom: 20px;
    }

    .line-left,
    .line-right {
        width: 30px;
    }

    .header-label-refined {
        font-size: 0.7rem;
        padding: 6px 14px;
        letter-spacing: 0.15em;
    }

    .features-title-refined {
        font-size: 1.75rem;
        margin-bottom: 16px;
    }

    .features-subtitle-refined {
        font-size: 0.95rem;
        line-height: 1.75;
    }

    /* カードグリッド */
    .features-grid-refined {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: none;
    }

    /* カードスタイル - シンプルに */
    .feature-card-refined {
        animation: none;
    }

    .feature-card-refined .card-inner {
        padding: 28px 24px 24px;
    }

    .feature-card-refined:hover {
        transform: none;
    }

    .feature-card-refined:hover .card-inner {
        border-color: rgba(0, 134, 123, 0.2);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    }

    /* トップアクセントを常に表示 */
    .card-top-accent {
        transform: scaleX(1);
        height: 3px;
    }

    /* 数字バッジ */
    .feature-number-refined {
        margin-bottom: 20px;
    }

    .number-text {
        font-size: 1.75rem;
    }

    .number-line {
        display: none;
    }

    /* アイコン */
    .feature-icon-refined {
        width: 56px;
        height: 56px;
        margin-bottom: 20px;
    }

    .icon-bg-shape {
        border-radius: 14px;
        transform: rotate(-4deg);
    }

    .icon-inner {
        font-size: 1.35rem;
    }

    /* コンテンツ */
    .feature-content-refined {
        margin-bottom: 16px;
    }

    .feature-heading-refined {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }

    .feature-text-refined {
        font-size: 0.9rem;
        line-height: 1.75;
    }

    /* インジケーター */
    .feature-indicator {
        display: none;
    }

    /* ボトム装飾 */
    .features-bottom-element {
        margin-top: 48px;
        gap: 16px;
    }

    .bottom-line {
        width: 60px;
    }

    .bottom-icon {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
        border-radius: 10px;
    }
}

@media (max-width: 480px) {
    .features-section-refined {
        padding: 48px 0 56px;
    }

    .features-title-refined {
        font-size: 1.5rem;
    }

    .feature-card-refined .card-inner {
        padding: 24px 20px 20px;
    }

    .number-text {
        font-size: 1.5rem;
    }

    .feature-icon-refined {
        width: 48px;
        height: 48px;
        margin-bottom: 16px;
    }

    .icon-inner {
        font-size: 1.2rem;
    }

    .feature-heading-refined {
        font-size: 1.1rem;
    }

    .feature-text-refined {
        font-size: 0.875rem;
    }

    .features-bottom-element {
        margin-top: 40px;
    }

    .bottom-line {
        width: 40px;
    }
}

/* ==========================================================================
   Services Section Mobile - サービス
   ========================================================================== */
@media (max-width: 768px) {
    .services-section.services-modern {
        padding: 60px 0;
    }

    .services-section .section-header {
        margin-bottom: 36px;
    }

    .services-section .section-label {
        font-size: 0.75rem;
        margin-bottom: 10px;
    }

    .services-section .section-title {
        font-size: 1.75rem;
        margin-bottom: 12px;
    }

    .services-section .section-description {
        font-size: 0.95rem;
    }

    /* サービスカード */
    .services-grid-alternating {
        gap: 24px;
    }

    .service-card-alternating {
        flex-direction: column;
    }

    .service-card-alternating:nth-child(even) {
        flex-direction: column;
    }

    .service-card-image {
        width: 100%;
        max-height: 200px;
        border-radius: 12px 12px 0 0;
    }

    .service-card-content-alt {
        padding: 24px 20px;
    }

    .service-card-title-alt {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .service-card-title-alt a {
        line-height: 1.4;
    }

    .service-card-excerpt-alt {
        font-size: 0.9rem;
        line-height: 1.75;
        margin-bottom: 16px;
    }

    .service-features-list {
        margin-bottom: 20px;
    }

    .service-features-list li {
        font-size: 0.85rem;
        padding-left: 1.75rem;
        padding-top: 4px;
        padding-bottom: 4px;
        line-height: 1.5;
    }

    .service-features-list li::before {
        width: 1.1rem;
        height: 1.1rem;
        top: 0.35rem;
    }

    .service-features-list li::after {
        width: 1.1rem;
        height: 1.1rem;
        top: 0.35rem;
        font-size: 0.6rem;
    }

    .service-link-button {
        font-size: 0.9rem;
        padding: 10px 20px;
    }

    /* CTAボタン */
    .services-cta {
        margin-top: 32px;
    }

    .btn-outline-large {
        width: 100%;
        max-width: 300px;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .services-section.services-modern {
        padding: 48px 0;
    }

    .services-section .section-title {
        font-size: 1.5rem;
    }

    .service-card-image {
        max-height: 180px;
    }

    .service-card-content-alt {
        padding: 20px 16px;
    }

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

    .service-card-excerpt-alt {
        font-size: 0.875rem;
    }
}

/* ==========================================================================
   News Release Section Mobile - ニュースリリース
   ========================================================================== */
@media (max-width: 768px) {
    .news-release-section {
        padding: 60px 0;
    }

    .news-release-section .section-header {
        margin-bottom: 32px;
    }

    .news-release-section .section-label {
        font-size: 0.75rem;
    }

    .news-release-section .section-title {
        font-size: 1.75rem;
    }

    .news-release-list {
        gap: 0;
    }

    .news-release-item {
        padding: 16px 0;
    }

    .news-release-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .news-release-date {
        font-size: 0.8rem;
    }

    .news-release-content {
        width: 100%;
    }

    .news-release-title {
        font-size: 1rem;
        line-height: 1.5;
    }

    .news-release-excerpt {
        font-size: 0.85rem;
        line-height: 1.7;
        margin-top: 8px;
    }

    .news-release-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    .news-release-section {
        padding: 48px 0;
    }

    .news-release-section .section-title {
        font-size: 1.5rem;
    }

    .news-release-title {
        font-size: 0.95rem;
    }
}

/* ==========================================================================
   News Section Mobile - 最新情報
   ========================================================================== */
@media (max-width: 768px) {
    .news-section {
        padding: 60px 0;
    }

    .news-section .section-header {
        margin-bottom: 32px;
    }

    .news-section .section-label {
        font-size: 0.75rem;
    }

    .news-section .section-title {
        font-size: 1.75rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .news-item {
        animation: none;
    }

    .news-link {
        padding: 16px;
    }

    .news-date-wrapper {
        margin-bottom: 12px;
    }

    .news-date {
        flex-direction: row;
        gap: 6px;
    }

    .date-day {
        font-size: 1.25rem;
    }

    .date-month,
    .date-year {
        font-size: 0.75rem;
    }

    .news-category {
        font-size: 0.7rem;
        padding: 3px 10px;
        margin-bottom: 8px;
    }

    .news-title {
        font-size: 1rem;
        line-height: 1.5;
    }

    .news-excerpt {
        font-size: 0.85rem;
        line-height: 1.7;
        margin-top: 8px;
    }

    .news-arrow {
        display: none;
    }

    /* セクションフッター */
    .section-footer {
        margin-top: 32px;
    }

    .section-footer .btn {
        width: 100%;
        max-width: 280px;
        padding: 14px 24px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .news-section {
        padding: 48px 0;
    }

    .news-section .section-title {
        font-size: 1.5rem;
    }

    .news-link {
        padding: 14px;
    }

    .news-title {
        font-size: 0.95rem;
    }
}

/* ==========================================================================
   CTA Section Mobile - お問い合わせ
   ========================================================================== */
@media (max-width: 768px) {
    .cta-section.cta-homepage {
        padding: 60px 0;
    }

    /* 背景エフェクトを簡素化 */
    .cta-particles {
        display: none;
    }

    .cta-pattern {
        opacity: 0.3;
    }

    .cta-glow {
        opacity: 0.5;
    }

    .cta-content {
        text-align: center;
    }

    .cta-title {
        font-size: 1.5rem;
        line-height: 1.5;
        margin-bottom: 24px;
    }

    .cta-button-wrapper {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
        padding: 16px 28px;
        font-size: 1rem;
    }

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

    .cta-button-icon {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .cta-section.cta-homepage {
        padding: 48px 0;
    }

    .cta-title {
        font-size: 1.35rem;
    }

    .cta-button {
        padding: 14px 24px;
    }
}

/* ==========================================================================
   Touch Device Optimizations
   ========================================================================== */
@media (hover: none) and (pointer: coarse) {
    /* タッチデバイスでのホバー効果を無効化 */
    .feature-card-refined:hover,
    .about-feature-item:hover .feature-icon-circle,
    .about-btn-modern:hover,
    .service-card-alternating:hover,
    .news-item:hover {
        transform: none;
    }

    /* タッチターゲットサイズを確保 */
    .about-btn-modern,
    .service-link-button,
    .cta-button,
    .btn,
    .news-link {
        min-height: 48px;
    }

    /* アクティブ状態のフィードバック */
    .about-btn-modern:active,
    .service-link-button:active,
    .cta-button:active {
        opacity: 0.9;
        transform: scale(0.98);
    }
}

/* ==========================================================================
   Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .about-section-modern *,
    .features-section-refined *,
    .services-section *,
    .news-section *,
    .cta-section * {
        animation: none !important;
        transition-duration: 0.01ms !important;
    }

    .visual-accent-ring,
    .visual-main-circle,
    .floating-shape,
    .stat-item {
        animation: none !important;
    }
}

/* ==========================================================================
   Accessibility Improvements
   ========================================================================== */
@media (max-width: 768px) {
    /* フォーカス状態の可視化 */
    a:focus,
    button:focus,
    .about-btn-modern:focus,
    .service-link-button:focus,
    .cta-button:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 3px;
    }

    /* 十分なコントラスト確保 */
    .about-text-modern,
    .feature-text-refined,
    .service-card-excerpt-alt,
    .news-excerpt {
        color: #4b5563;
    }

    /* リンクの下線表示 */
    .about-text-modern a,
    .feature-text-refined a {
        text-decoration: underline;
        text-underline-offset: 2px;
    }
}

/* ==========================================================================
   ブログ 3x3 グリッド モバイル対応
   ========================================================================== */
@media (max-width: 1024px) {
    .blog-grid-3x3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

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

    .blog-grid-3x3 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .blog-card-content {
        padding: 1rem;
    }

    .blog-card-title {
        font-size: 0.9rem;
    }

    .blog-card:hover {
        transform: none;
    }
}

@media (max-width: 480px) {
    .blog-section {
        padding: 48px 0;
    }

    .blog-grid-3x3 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .blog-card-image {
        aspect-ratio: 16 / 9;
    }

    .blog-card-content {
        padding: 0.875rem;
    }

    .blog-card-date {
        font-size: 0.75rem;
    }

    .blog-card-title {
        font-size: 0.875rem;
    }
}