:root{--primary-color:#0f172a;--secondary-color:#1e293b;--accent-color:#3b82f6;--bg-color:#f8fafc;--text-primary:#1e293b;--text-secondary:#64748b;--card-bg:#fffc;--card-border:#ffffff80;--danger-color:#ef4444;--danger-bg:#fee2e2b3;--danger-border:#f87171;--warning-color:#d97706;--warning-bg:#fef3c7b3;--warning-border:#fcd34d;--border-radius:16px;--shadow-sm:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--transition:all .4s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(at 0 0,#e0ecff 0,#0000 50%),radial-gradient(at 100% 0,#cce6ff 0,#0000 50%),radial-gradient(at 100% 100%,#e6f5ff 0,#0000 50%);background-attachment:fixed;font-family:Inter,Noto Sans JP,sans-serif;line-height:1.7}.container{max-width:1100px;margin:0 auto;padding:0 24px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.8s ease-out forwards fadeInUp}.delay-1{opacity:0;animation-delay:.1s}.delay-2{opacity:0;animation-delay:.2s}.delay-3{opacity:0;animation-delay:.3s}.header{background:linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);color:#fff;text-align:center;box-shadow:var(--shadow-lg);border-bottom-right-radius:30px;border-bottom-left-radius:30px;margin-bottom:40px;padding:60px 0 50px;position:relative;overflow:hidden}.header:after{content:"";pointer-events:none;background:url("data:image/svg+xml;utf8,<svg viewBox=\"0 0 100 100\" xmlns=\"http://www.w3.org/2000/svg\"><path opacity=\"0.05\" fill=\"%23ffffff\" d=\"M0 0l50 50L0 100z\"/></svg>") 0 0/50px 50px;position:absolute;inset:0}.header h1{letter-spacing:-.5px;text-shadow:0 2px 4px #0000004d;margin-bottom:12px;font-size:2.5rem;font-weight:800}.header .subtitle{color:#cbd5e1;margin-bottom:24px;font-size:1.1rem;font-weight:500}.last-updated{-webkit-backdrop-filter:blur(8px);background:#ffffff1a;border:1px solid #fff3;border-radius:30px;align-items:center;gap:8px;padding:8px 20px;font-size:.85rem;font-weight:600;display:inline-flex}.last-updated:before{content:"🕒";font-size:1rem}main{padding-bottom:60px}.alert-section{flex-direction:column;gap:24px;margin-bottom:50px;display:flex}.alert-card{background:var(--danger-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--danger-border);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);padding:24px 30px;position:relative;overflow:hidden}.alert-card:before{content:"";background:var(--danger-color);width:6px;height:100%;position:absolute;top:0;left:0}.alert-card h2{color:var(--danger-color);align-items:center;gap:10px;margin-bottom:12px;font-size:1.4rem;font-weight:700;display:flex}.alert-card p{color:#7f1d1d;font-size:1rem;font-weight:500}.alert-warning{background:var(--warning-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--warning-border);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);padding:24px 30px;position:relative;overflow:hidden}.alert-warning:before{content:"";background:var(--warning-color);width:6px;height:100%;position:absolute;top:0;left:0}.alert-warning h2{color:var(--warning-color);align-items:center;gap:10px;margin-bottom:12px;font-size:1.4rem;font-weight:700;display:flex}.alert-warning p{color:#92400e;font-size:1rem;font-weight:500}.category{margin-bottom:50px}.category-title{color:var(--primary-color);align-items:center;gap:12px;margin-bottom:24px;font-size:1.5rem;font-weight:800;display:flex}.card-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;display:grid}.link-card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);border:1px solid var(--card-border);color:inherit;border-radius:var(--border-radius);box-shadow:var(--shadow-sm);transition:var(--transition);z-index:1;flex-direction:column;justify-content:center;padding:30px;text-decoration:none;display:flex;position:relative}.link-card:before{content:"";border-radius:var(--border-radius);opacity:0;transition:var(--transition);z-index:-1;background:linear-gradient(135deg,#3b82f60d,#0000);position:absolute;inset:0}.link-card:hover{box-shadow:var(--shadow-lg);border-color:#3b82f64d;transform:translateY(-8px)scale(1.02)}.link-card:hover:before{opacity:1}.link-card h3{color:var(--primary-color);transition:var(--transition);justify-content:space-between;align-items:center;margin-bottom:10px;font-size:1.2rem;font-weight:700;display:flex}.link-card h3:after{content:"→";color:var(--accent-color);opacity:0;transition:var(--transition);font-size:1.2rem;transform:translate(-10px)}.link-card:hover h3{color:var(--accent-color)}.link-card:hover h3:after{opacity:1;transform:translate(0)}.link-card p{color:var(--text-secondary);font-size:.95rem;font-weight:500}.footer{background:var(--primary-color);color:#94a3b8;text-align:center;margin-top:60px;padding:40px 0}.footer p{margin-bottom:8px;font-weight:500}.footer small{color:#64748b;font-size:.8rem}@media (width<=768px){.header h1{font-size:2rem}.header{border-bottom-right-radius:20px;border-bottom-left-radius:20px;padding:40px 0 30px}.card-grid{grid-template-columns:1fr}}