.site-header{background:#fff;border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:100}.header-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}.logo{display:flex;align-items:center;text-decoration:none}.logo:hover{opacity:.85;text-decoration:none}.logo-img{height:32px;display:block}.nav-main{display:flex;gap:18px;flex:1}.nav-main a{color:#475569;font-size:15px;font-weight:500;text-decoration:none;transition:color .15s}.nav-main a:hover{color:#2563eb}.nav-main a.active{color:#2563eb;font-weight:700}.header-cta{display:flex;gap:10px}.header-cta .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 18px;border-radius:6px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap;text-decoration:none}.header-cta .btn-primary{background:#2563eb;color:#fff;box-shadow:0 2px 8px #2563eb33}.header-cta .btn-primary:hover{background:#1d4ed8;transform:translateY(-1px);text-decoration:none}.header-cta .btn-outline{background:#fff;color:#2563eb;border-color:#2563eb}.header-cta .btn-outline:hover{background:#dbeafe;text-decoration:none}:root{--accent: #2563eb;--accent-strong: #1d4ed8;--accent-soft: #dbeafe;--text: #0f172a;--text-muted: #475569;--border: #e2e8f0;--bg: #f8fafc}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic,Meiryo,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}a{color:var(--accent);text-decoration:none}.breadcrumbs{background:#fff;border-bottom:1px solid var(--border)}.breadcrumbs-inner{max-width:1200px;margin:0 auto;padding:10px 24px;font-size:12px;color:var(--text-muted)}.breadcrumbs a{color:var(--text-muted)}.breadcrumbs span{margin:0 6px;color:#cbd5e1}.page-heading{background:#fff;padding:40px 24px 32px;text-align:center;border-bottom:1px solid var(--border)}.page-heading h1{font-size:30px;margin:0 0 8px;color:var(--text)}.page-heading p{margin:0;color:var(--text-muted);font-size:15px}.blog-wrap{min-height:calc(100vh - 64px)}.content-wrap{max-width:1200px;margin:0 auto;padding:40px 24px 80px}.hero-card{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 2px 12px #0f172a14;margin-bottom:48px;transition:box-shadow .2s,transform .2s;text-decoration:none;color:inherit}.hero-card:hover{box-shadow:0 8px 32px #0f172a21;transform:translateY(-2px);text-decoration:none}.hero-img{aspect-ratio:16 / 9;overflow:hidden;background:var(--bg)}.hero-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.hero-card:hover .hero-img img{transform:scale(1.03)}.hero-img-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#dbeafe,#e0e7ff)}.hero-body{padding:36px 40px;display:flex;flex-direction:column;justify-content:center;gap:14px}.hero-body h2{font-size:22px;line-height:1.5;margin:0;color:var(--text)}.hero-desc{font-size:14px;color:var(--text-muted);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.hero-body time{font-size:13px;color:var(--text-muted)}.cat-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.04em;padding:3px 10px;border-radius:20px;background:color-mix(in srgb,var(--c) 12%,#fff);color:var(--c);border:1px solid color-mix(in srgb,var(--c) 25%,transparent)}.list-cta{display:flex;align-items:center;justify-content:space-between;gap:32px;background:linear-gradient(135deg,#1d4ed8,#2563eb 60%,#3b82f6);border-radius:14px;padding:32px 40px;margin:0 0 40px;color:#fff;box-shadow:0 4px 16px #1d4ed82e}.list-cta-body{flex:1;min-width:0}.list-cta-lead{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;opacity:.85;margin:0 0 8px}.list-cta h2{font-size:20px;line-height:1.5;margin:0 0 10px;color:#fff;font-weight:800}.list-cta-desc{font-size:14px;opacity:.92;margin:0;line-height:1.7}.list-cta-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;padding:14px 28px;border-radius:10px;background:#fff;color:var(--accent)!important;font-size:15px;font-weight:700;text-decoration:none;transition:all .15s;white-space:nowrap}.list-cta-btn:hover{background:#f0f9ff;transform:translateY(-1px);text-decoration:none;box-shadow:0 4px 12px #0f172a26}.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}.cat-tab{padding:8px 18px;border-radius:24px;border:1.5px solid var(--border);background:#fff;color:var(--text-muted);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit;white-space:nowrap}.cat-tab:hover{border-color:var(--accent);color:var(--accent)}.cat-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.post-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.post-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 4px #0f172a0f;border:1px solid var(--border);transition:box-shadow .2s,transform .2s}.post-card:hover{box-shadow:0 6px 24px #0f172a1c;transform:translateY(-3px)}.post-card a{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none}.post-card a:hover{text-decoration:none}.card-thumb{aspect-ratio:16 / 9;overflow:hidden;background:var(--bg)}.card-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.post-card:hover .card-thumb img{transform:scale(1.04)}.card-thumb-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#dbeafe,#e0e7ff)}.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}.card-body h2{font-size:15px;line-height:1.55;margin:0;color:var(--text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-body time{font-size:12px;color:var(--text-muted);margin-top:auto;padding-top:8px}.site-footer{background:#1e293b;color:#cbd5e1;padding:24px 0;margin-top:48px}.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px;text-align:right}.empty{text-align:center;color:var(--text-muted);padding:80px 0}@media(max-width:1024px){.post-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.nav-main{display:none}.header-cta .btn-outline{background:#fff;color:var(--accent)!important;border:1px solid var(--accent)}.hero-card{grid-template-columns:1fr}.hero-img{aspect-ratio:16 / 8}.hero-body{padding:24px 20px}.hero-body h2{font-size:18px}.page-heading h1{font-size:24px}.list-cta{flex-direction:column;align-items:flex-start;gap:20px;padding:24px 22px}.list-cta h2{font-size:17px}.list-cta-btn{width:100%}}@media(max-width:600px){.post-grid{grid-template-columns:1fr}.content-wrap{padding:24px 16px 60px}}