/**
 * Robot Lease Navi - Top Page CSS
 * トップページ専用スタイル
 */

/* ============================================================
   1. Hero Section
   ============================================================ */

.hero-section {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfeff 50%, #f0fdf4 100%);
    padding: 96px 0 80px;
    overflow: hidden;
    position: relative;
}

[data-theme="dark"] .hero-section {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.08) 0%, rgba(8, 145, 178, 0.06) 50%, rgba(5, 150, 105, 0.06) 100%);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(5, 150, 105, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(5, 150, 105, 0.12);
    border: 1px solid rgba(5, 150, 105, 0.25);
    border-radius: var(--radius-full);
    color: var(--accent-primary-dark);
    font-size: 13px;
    font-weight: 600;
    width: fit-content;
}

.hero-badge .lucide-icon {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-size: clamp(28px, 4.5vw, 48px);
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
    color: var(--accent-primary);
}

.hero-title .highlight span {
    position: relative;
    z-index: 1;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    opacity: 0.4;
}

.hero-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 480px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hero-stat-number,
.hero-stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}

.hero-stat-value:first-child {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0;
}

.hero-stat-number sup {
    font-size: 14px;
    font-weight: 700;
    vertical-align: super;
}

.hero-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
}

.hero-stat + .hero-stat {
    border-left: 1px solid var(--border);
    padding-left: 32px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--accent-primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: background var(--transition-fast);
}

.btn-hero-primary:hover {
    background: var(--accent-primary-dark);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: #fff;
    color: #0f172a;
    border: 2px solid #cbd5e1;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-hero-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: #fff;
}

/* ============================================================
   2. Hero Visual (Cards Grid)
   ============================================================ */

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    max-width: 420px;
}

.hero-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hero-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hero-card:nth-child(2) {
    margin-top: 0;
}

.hero-card:nth-child(4) {
    margin-top: 0;
}

.hero-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--accent-primary-light);
    color: var(--accent-primary);
    flex-shrink: 0;
}

.hero-card-icon.is-cyan {
    background: var(--accent-secondary-light);
    color: var(--accent-secondary);
}

.hero-card-icon.is-orange {
    background: var(--accent-warning-light);
    color: var(--accent-warning);
}

.hero-card-icon.is-blue {
    background: var(--accent-info-light);
    color: var(--accent-info);
}

.robot-nav-icon.cyan {
    background: var(--accent-secondary-light, #ecfeff);
    color: var(--accent-secondary, #0891b2);
}

.robot-nav-icon.orange {
    background: #fff7ed;
    color: #ea580c;
}

.hero-card-icon .lucide-icon {
    width: 20px;
    height: 20px;
}

.hero-card-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-card-value {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-card-sub {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============================================================
   3. Robot Nav (Type Navigation)
   ============================================================ */

.robot-nav-section {
    padding: 64px 0;
    background: var(--bg-primary);
}

.robot-nav {
    padding: 80px 0;
    background: var(--bg-primary);
}

.robot-nav-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.robot-nav-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.robot-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.robot-nav-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    color: var(--text-primary);
}

.robot-nav-card:hover::before {
    opacity: 1;
}

.robot-nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    background: var(--accent-primary-light);
    color: var(--accent-primary);
    transition: all var(--transition-base);
}

.robot-nav-card:hover .robot-nav-icon {
    background: var(--accent-primary);
    color: var(--text-white);
}

.robot-nav-icon .lucide-icon {
    width: 24px;
    height: 24px;
}

.robot-nav-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.robot-nav-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.robot-nav-amount {
    display: flex;
    align-items: baseline;
    gap: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.robot-nav-amount .amount {
    font-size: 20px;
    font-weight: 800;
    color: var(--accent-primary);
}

.robot-nav-amount .unit {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.robot-nav-arrow {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    color: var(--text-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.robot-nav-arrow .lucide-icon {
    width: 16px;
    height: 16px;
}

.robot-nav-card:hover .robot-nav-arrow {
    color: var(--accent-primary);
    transform: translateX(4px);
}

/* ============================================================
   4. Articles Grid (Category Section)
   ============================================================ */

.category-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.category-section.alt-bg {
    background: var(--bg-secondary);
}

.category-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
}

.category-section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.cat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--accent-primary-light);
    color: var(--accent-primary);
    flex-shrink: 0;
}

.cat-icon .lucide-icon {
    width: 20px;
    height: 20px;
}

.view-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.view-all:hover {
    gap: 10px;
}

.view-all .lucide-icon {
    width: 14px;
    height: 14px;
}

.category-section-header h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ============================================================
   5. Company CTA Section
   ============================================================ */

.company-cta-section {
    background: linear-gradient(135deg, #059669 0%, #0891b2 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.company-cta-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.company-cta-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.company-cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
}

.company-cta-inner h2 {
    font-size: clamp(24px, 4vw, 38px);
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.04em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.company-cta-inner > p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.7;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.company-cta-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}

.company-cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
}

.company-cta-badge .lucide-icon {
    width: 13px;
    height: 13px;
}

.company-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.company-cta-actions .btn-white {
    background: #ffffff;
    color: var(--accent-primary);
    border-color: #ffffff;
    font-weight: 700;
}

.company-cta-actions .btn-white:hover {
    background: #f0fdf4;
    color: var(--accent-primary-dark);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    transform: translateY(-1px);
}

.company-cta-actions .btn-outline-white {
    background: transparent;
    color: #ffffff;
    border-color: rgba(255,255,255,0.6);
}

.company-cta-actions .btn-outline-white:hover {
    background: rgba(255,255,255,0.12);
    border-color: #ffffff;
    color: #ffffff;
}

/* ============================================================
   6. Stats Section
   ============================================================ */

.stats-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.stat-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: 40px;
    font-weight: 900;
    color: var(--accent-primary);
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-unit {
    font-size: 22px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================================
   7. Flow Section (ロボットリースの流れ)
   ============================================================ */

.flow-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    margin-top: 48px;
}

.flow-steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(12.5% + 28px);
    right: calc(12.5% + 28px);
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    z-index: 0;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.flow-step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: #ffffff;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 16px;
    box-shadow: 0 0 0 6px var(--bg-secondary), 0 4px 12px rgba(5, 150, 105, 0.3);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.flow-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--accent-primary-light);
    color: var(--accent-primary);
    margin: 0 auto 12px;
}

.flow-step-icon .lucide-icon {
    width: 22px;
    height: 22px;
}

.flow-step h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.flow-step p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================================
   8. Trust Section
   ============================================================ */

.trust-section {
    padding: 56px 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.trust-item .lucide-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

/* ============================================================
   9. Responsive
   ============================================================ */

@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { max-width: 420px; margin: 0 auto; }
    .robot-nav-cards { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .flow-steps::before { display: none; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-section { padding: 64px 0 48px; }
    .hero-cards { grid-template-columns: 1fr 1fr; max-width: 320px; }
    .hero-card:nth-child(2),
    .hero-card:nth-child(4) { margin-top: 0; }
    .hero-stats { gap: 20px; }
    .hero-stat-divider { display: none; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .robot-nav-cards { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .flow-steps { grid-template-columns: 1fr; gap: 24px; }
    .articles-grid { grid-template-columns: 1fr; }
    .trust-inner { gap: 24px; }
    .company-cta-section { padding: 56px 0; }
    .stat-card-number { font-size: 32px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .hero-cards { grid-template-columns: 1fr; max-width: 240px; }
    .stats-grid { grid-template-columns: 1fr; }
}