/* ===================================
   事業と仕事ページ
   デザイン：クリーン・プロフェッショナル
=================================== */

:root {
    --primary-blue: #0077b6;
    --accent-blue: #0096c7;
    --dark-navy: #0f172a;
    --text-main: #334155;
    --text-sub: #64748b;
    --border-light: #f1f5f9;
    --bg-light: #f8fafc;
}

/* -----------------------------------
   Main要素の最初の子要素にマージン
----------------------------------- */
.business-work-page > section:first-child {
    margin-top: 80px !important;
}

/* -----------------------------------
   共通・ユーティリティ
----------------------------------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.pc-only { display: inline; }
.sp-only { display: none; }

@media (max-width: 768px) {
    .pc-only { display: none; }
    .sp-only { display: inline; }
}

/* -----------------------------------
   ページヒーロー（ページ固有スタイル）
----------------------------------- */
.page-hero-business {
    margin-top: 0 !important;
}

.page-hero-business .page-hero-bg img {
    object-position: center 30%;
}

/* -----------------------------------
   イントロダクション
----------------------------------- */
.section-intro {
    padding: 100px 0;
    background: #ffffff;
    text-align: center;
}

.intro-lead {
    max-width: 900px;
    margin: 0 auto;
    font-size: clamp(1.125rem, 3vw, 1.375rem);
    font-weight: 700;
    line-height: 2;
    color: var(--dark-navy);
}

.intro-lead span {
    color: var(--primary-blue);
}

/* -----------------------------------
   ページ内ナビゲーション
----------------------------------- */
.business-nav {
    background: #ffffff;
    padding: 0 0 60px;
}

.business-nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.business-nav-list li a {
    display: inline-block;
    padding: 12px 24px;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-main);
    transition: all 0.3s ease;
}

.business-nav-list li a:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 182, 0.25);
}

/* -----------------------------------
   事業一覧
----------------------------------- */
.section-business-list {
    padding: 80px 0 120px;
    background: var(--bg-light);
}

.business-card {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 0;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    margin-bottom: 40px;
    scroll-margin-top: 40px;
}

.business-card:last-child {
    margin-bottom: 0;
}

.business-card-reverse {
    grid-template-columns: 1.2fr 1fr;
}

.business-card-reverse .business-card-image {
    order: 2;
}

.business-card-reverse .business-card-content {
    order: 1;
}

.business-card-image {
    position: relative;
    min-height: 320px;
    overflow: hidden;
}

.business-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.business-card-content {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.business-card-header {
    margin-bottom: 24px;
    position: relative;
}

.business-number {
    font-family: var(--font-en);
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-blue);
    opacity: 0.08;
    position: absolute;
    top: -30px;
    left: -10px;
    line-height: 1;
}

.business-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 900;
    color: var(--dark-navy);
    margin-bottom: 8px;
    position: relative;
    display: inline-block;
    padding-left: 20px;
}

.business-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: linear-gradient(180deg, var(--primary-blue), var(--accent-blue));
    border-radius: 2px;
}

.business-title-en {
    font-family: var(--font-en);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: 0.15em;
    padding-left: 20px;
}

.business-catch {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1.6;
    margin-bottom: 20px;
}

.business-desc {
    font-size: 0.9375rem;
    line-height: 2;
    color: var(--text-main);
}

/* -----------------------------------
   関連リンク
----------------------------------- */
.section-related {
    padding: 80px 0;
    background: #ffffff;
}

.related-links {
    max-width: 600px;
    margin: 0 auto;
}

.related-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-blue);
}

.related-card-icon {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 119, 182, 0.1) 0%, rgba(0, 150, 199, 0.1) 100%);
    border-radius: 12px;
    color: var(--primary-blue);
}

.related-card-content {
    flex: 1;
}

.related-card-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--dark-navy);
    margin-bottom: 8px;
}

.related-card-text {
    font-size: 0.875rem;
    color: var(--text-sub);
}

.related-card-arrow {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-light);
    border-radius: 50%;
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

.related-card:hover .related-card-arrow {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #ffffff;
    transform: translateX(4px);
}

/* -----------------------------------
   レスポンシブ
----------------------------------- */
@media (max-width: 1024px) {
    .business-card,
    .business-card-reverse {
        grid-template-columns: 1fr;
    }
    
    .business-card-reverse .business-card-image {
        order: 1;
    }
    
    .business-card-reverse .business-card-content {
        order: 2;
    }
    
    .business-card-image {
        min-height: 280px;
    }
    
    .business-card-content {
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .section-intro {
        padding: 60px 0;
    }
    
    .intro-lead br {
        display: none;
    }
    
    .business-nav {
        padding: 0 0 40px;
    }
    
    .business-nav-list {
        gap: 8px;
    }
    
    .business-nav-list li a {
        padding: 10px 16px;
        font-size: 0.8125rem;
    }
    
    .section-business-list {
        padding: 60px 0 80px;
    }
    
    .business-card {
        margin-bottom: 30px;
    }
    
    .business-card-image {
        min-height: 220px;
    }
    
    .business-card-content {
        padding: 30px 24px;
    }
    
    .business-number {
        font-size: 3rem;
        top: -20px;
    }
    
    .section-related {
        padding: 60px 0;
    }
    
    .related-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
        padding: 24px;
    }
    
    .related-card-arrow {
        display: none;
    }
}