:root{--bg-base:#0d1117;--bg-card:#ffffff0a;--bg-card-hover:#ffffff14;--accent:#a8e63d;--accent-dim:#a8e63d26;--text-primary:#fff;--text-secondary:#ffffff8c;--text-muted:#ffffff59;--border:#ffffff14;--border-accent:#a8e63d66;--radius:14px;--radius-sm:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans JP,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.nav{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0d1117d9;justify-content:space-between;align-items:center;padding:16px 32px;display:flex;position:fixed;top:0;left:0;right:0}.nav-logo{letter-spacing:-.02em;font-size:1.2rem;font-weight:700}.nav-logo span{color:var(--accent)}.nav-links{gap:24px;display:flex}.nav-links a{color:var(--text-secondary);font-size:.875rem;transition:color .2s}.nav-links a:hover{color:var(--text-primary)}.page{min-height:100vh;padding-top:72px}.section{max-width:1100px;margin:0 auto;padding:80px 32px}.hero{text-align:center;flex-direction:column;align-items:center;max-width:900px;margin:0 auto;padding:120px 32px 80px;display:flex}.hero-label{letter-spacing:.15em;color:var(--accent);text-transform:uppercase;margin-bottom:20px;font-size:.75rem;font-weight:600}.hero-title{letter-spacing:-.03em;margin-bottom:20px;font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;line-height:1.15}.hero-title .accent{color:var(--accent)}.hero-desc{color:var(--text-secondary);max-width:560px;margin-bottom:40px;font-size:1.05rem}.hub-grid{grid-template-columns:repeat(2,1fr);gap:20px;max-width:800px;margin:0 auto;display:grid}.hub-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;flex-direction:column;gap:12px;padding:36px 32px;transition:all .25s;display:flex}.hub-card:hover{background:var(--bg-card-hover);border-color:var(--border-accent);transform:translateY(-3px);box-shadow:0 16px 40px #0006}.hub-card-num{letter-spacing:.15em;color:var(--accent);text-transform:uppercase;font-size:.7rem;font-weight:700}.hub-card-title{font-size:1.3rem;font-weight:800;line-height:1.2}.hub-card-sub{color:var(--text-secondary);font-size:.875rem}.hub-card-tag{background:var(--accent-dim);color:var(--accent);border-radius:20px;width:fit-content;margin-top:4px;padding:4px 10px;font-size:.7rem;font-weight:600;display:inline-block}.card-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all .2s}.card:hover{background:var(--bg-card-hover);border-color:var(--border-accent);transform:translateY(-2px)}.card-icon{margin-bottom:14px;font-size:1.8rem}.card-title{margin-bottom:8px;font-size:1.05rem;font-weight:700}.card-desc{color:var(--text-secondary);font-size:.875rem;line-height:1.6}.section-label{letter-spacing:.15em;color:var(--accent);text-transform:uppercase;margin-bottom:12px;font-size:.72rem;font-weight:700}.section-title{letter-spacing:-.02em;margin-bottom:16px;font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800}.section-desc{color:var(--text-secondary);max-width:560px;margin-bottom:40px;font-size:1rem}.divider{background:var(--accent);border-radius:2px;width:40px;height:3px;margin-bottom:24px}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;gap:8px;padding:12px 24px;font-size:.9rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:#0d1117}.btn-primary:hover{background:#c0f050;transform:translateY(-1px)}.btn-outline{color:var(--text-primary);border:1px solid var(--border);background:0 0}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.data-table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th{text-align:left;color:var(--accent);letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid var(--border);padding:12px 16px;font-size:.75rem;font-weight:700}.data-table td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:14px 16px}.data-table td:first-child{color:var(--text-primary);font-weight:500}.data-table tr:hover td{background:var(--bg-card)}.badge{border-radius:20px;padding:3px 10px;font-size:.72rem;font-weight:600;display:inline-block}.badge-green{color:var(--accent);background:#a8e63d26}.badge-blue{color:#60a5fa;background:#60a5fa26}.badge-yellow{color:#fbbf24;background:#fbbf2426}.form-group{margin-bottom:20px}.form-label{color:var(--text-secondary);margin-bottom:8px;font-size:.875rem;font-weight:600;display:block}.form-input,.form-select,.form-textarea{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);outline:none;padding:12px 16px;font-family:inherit;font-size:.9rem;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent)}.form-textarea{resize:vertical;min-height:120px}.footer{border-top:1px solid var(--border);text-align:center;color:var(--text-muted);padding:32px;font-size:.8rem}@media (width<=768px){.hub-grid{grid-template-columns:1fr}.nav-links{display:none}.section{padding:60px 20px}.hero{padding:80px 20px 60px}}