/* products.css - 事業実績ページ（洗練されたデザイン） */

/* フォント最適化 */
body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Yu Gothic', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
    font-feature-settings: 'palt' 1;
    letter-spacing: 0.05em;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* 共通設定 */
.page-hero,
.business-overview,
.achievements-highlight,
.business-achievements,
.client-testimonials,
.cta-section {
    padding: 80px 0;
}

/* ページヒーローセクション */
.page-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16rem 0 10rem;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafb 0%, #e8ecf0 100%);
    border-bottom: 1px solid #e0e6ed;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.05) 0%, rgba(33, 150, 243, 0.03) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 2rem;
}

.page-title {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
    padding-bottom: 20px;
}

.page-title::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #4a90e2 0%, #2e5ab8 100%);
}

.page-title .jp {
    display: block;
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.page-title .en {
    display: block;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #666666;
    text-transform: uppercase;
}

.page-subtitle {
    font-size: 16px;
    color: #666666;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding: 0 40px;
}

.page-subtitle::before,
.page-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: #cccccc;
}

.page-subtitle::before {
    left: 0;
}

.page-subtitle::after {
    right: 0;
}

/* 事業概要セクション */
.business-overview {
    background-color: #ffffff;
    padding: 100px 0;
}

.section-intro {
    text-align: center;
    margin-bottom: 80px;
}

.section-intro h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    font-family: 'Noto Sans JP', sans-serif;
}

.section-intro p {
    font-size: 18px;
    color: #666666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.business-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.business-card {
    background: #ffffff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, #4a90e2 0%, #2e5ab8 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

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

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #dce1e6;
}

.business-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4a90e2 0%, #2e5ab8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.business-icon i {
    font-size: 32px;
    color: #ffffff;
}

.business-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    font-family: 'Noto Sans JP', sans-serif;
}

.business-content p {
    font-size: 16px;
    color: #666666;
    margin-bottom: 32px;
    line-height: 1.7;
}

.business-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #4a90e2;
    font-family: 'Inter', sans-serif;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: #666666;
    font-weight: 500;
}

/* 実績ハイライトセクション */
.achievements-highlight {
    background-color: #f8f9fa;
    padding: 100px 0;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.achievement-item {
    text-align: center;
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid #e8eaed;
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.achievement-number {
    font-size: 48px;
    font-weight: 700;
    color: #4a90e2;
    font-family: 'Inter', sans-serif;
    margin-bottom: 12px;
    line-height: 1;
}

.achievement-label {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.achievement-item p {
    font-size: 14px;
    color: #666666;
    line-height: 1.6;
}

/* 事業実績詳細セクション */
.business-achievements {
    background-color: #ffffff;
    padding: 100px 0;
}

.filter-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 60px 0 80px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: 1px solid #e0e6ed;
    background: #ffffff;
    color: #666666;
    font-size: 14px;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #4a90e2 0%, #2e5ab8 100%);
    color: #ffffff;
    border-color: #4a90e2;
    transform: translateY(-2px);
}

.achievements-grid-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.achievement-card {
    background: #ffffff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.achievement-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.achievement-card[data-category]:not([data-category="all"]) {
    transition: all 0.3s ease;
}

.achievement-card.hidden {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px 30px 20px;
    border-bottom: 1px solid #f0f2f5;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mobile-icon {
    background: linear-gradient(135deg, #4a90e2 0%, #2e5ab8 100%);
}

.event-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.consulting-icon {
    background: linear-gradient(135deg, #27ae60 0%, #219a52 100%);
}

.card-icon i {
    font-size: 24px;
    color: #ffffff;
}

.card-meta {
    flex: 1;
}

.card-category {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #4a90e2;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.card-period {
    font-size: 14px;
    color: #666666;
    font-family: 'Inter', sans-serif;
}

.card-content {
    padding: 0 30px 30px;
}

.card-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    font-family: 'Noto Sans JP', sans-serif;
}

.card-content p {
    font-size: 15px;
    color: #666666;
    line-height: 1.7;
    margin-bottom: 24px;
}

.card-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.result-item {
    text-align: center;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.result-label {
    display: block;
    font-size: 12px;
    color: #666666;
    margin-bottom: 4px;
    font-weight: 500;
}

.result-value {
    font-size: 20px;
    font-weight: 700;
    color: #4a90e2;
    font-family: 'Inter', sans-serif;
}

/* お客様の声セクション */
.client-testimonials {
    background-color: #f8f9fa;
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.testimonial-card {
    background: #ffffff;
    border: 1px solid #e8eaed;
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 48px;
    color: #e9ecef;
    font-family: serif;
    font-weight: 700;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    margin-bottom: 32px;
    position: relative;
    z-index: 2;
}

.testimonial-content p {
    font-size: 16px;
    color: #333333;
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.author-info span {
    font-size: 14px;
    color: #666666;
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(135deg, #1a237e 0%, #4a90e2 100%);
    color: #ffffff;
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/pattern.jpg') repeat;
    opacity: 0.1;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    font-family: 'Noto Sans JP', sans-serif;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.sp-break {
    display: none;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: #ffffff;
    color: #1a237e;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid #ffffff;
}

.cta-btn:hover {
    background: transparent;
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.cta-btn i {
    transition: transform 0.3s ease;
}

.cta-btn:hover i {
    transform: translateX(4px);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    /* 共通 */
    .page-hero,
    .business-overview,
    .achievements-highlight,
    .business-achievements,
    .client-testimonials,
    .cta-section {
        padding: 60px 0;
    }

    .page-hero {
        padding: 120px 0 80px;
    }

    .section-intro {
        margin-bottom: 60px;
    }

    /* ページヒーロー */
    .page-title .jp {
        font-size: 3.2rem;
    }
    
    .page-title .en {
        font-size: 1.4rem;
    }

    .page-subtitle::before,
    .page-subtitle::after {
        width: 20px;
    }

    /* セクション */
    .section-intro h2 {
        font-size: 28px;
    }

    .section-intro p {
        font-size: 16px;
    }

    /* 事業領域 */
    .business-areas {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 60px;
    }

    .business-card {
        padding: 30px;
    }

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

    /* 実績ハイライト */
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 60px;
    }

    .achievement-item {
        padding: 30px 20px;
    }

    .achievement-number {
        font-size: 36px;
    }

    .achievement-label {
        font-size: 16px;
    }

    /* フィルター */
    .filter-nav {
        margin: 40px 0 60px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    /* 実績詳細 */
    .achievements-grid-detail {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .card-header {
        padding: 24px 24px 16px;
        gap: 16px;
    }

    .card-icon {
        width: 50px;
        height: 50px;
    }

    .card-icon i {
        font-size: 20px;
    }

    .card-content {
        padding: 0 24px 24px;
    }

    .card-content h3 {
        font-size: 18px;
    }

    .card-results {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* お客様の声 */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 60px;
    }

    .testimonial-card {
        padding: 30px;
    }

    .testimonial-card::before {
        font-size: 36px;
        top: 16px;
        left: 24px;
    }

    /* CTA */
    .cta-content h2 {
        font-size: 28px;
    }

    .cta-content p {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .sp-break {
        display: block;
    }

    .cta-btn {
        padding: 16px 32px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    /* より小さな画面への対応 */
    .page-hero {
        padding: 100px 0 60px;
    }

    .page-title .jp {
        font-size: 2.8rem;
    }
    
    .page-subtitle {
        padding: 0 20px;
    }
    
    .page-subtitle::before,
    .page-subtitle::after {
        width: 15px;
    }

    .breadcrumb {
        margin-bottom: 24px;
        font-size: 13px;
    }

    .section-intro h2 {
        font-size: 24px;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .achievement-number {
        font-size: 32px;
    }

    .filter-nav {
        gap: 6px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 12px;
    }

    .cta-content h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .cta-content p {
        font-size: 15px;
    }

    .cta-btn {
        padding: 14px 28px;
        font-size: 14px;
    }
}