@import "https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;700&family=Inter:wght@300;400;500;600&display=swap";:root{--bg-deep:#0a0a14;--bg-card:#101020d9;--bg-card-hover:#181830eb;--bg-glass:#ffffff0a;--bg-glass-border:#ffffff14;--gold:#d4a853;--gold-light:#f0c878;--gold-glow:#d4a8534d;--purple:#7c4dff;--purple-light:#b388ff;--purple-glow:#7c4dff40;--teal:#00bcd4;--teal-glow:#00bcd433;--red:#ef5350;--red-glow:#ef535040;--text-primary:#f0e6d3;--text-secondary:#a08060;--text-muted:#605040;--era-primitive:#8d6e63;--era-ancient:#f9a825;--era-medieval:#7b1fa2;--era-early-modern:#1565c0;--era-modern:#2e7d32;--era-contemporary:#00838f;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--shadow-card:0 8px 32px #00000080, 0 0 0 1px var(--bg-glass-border);--shadow-glow-gold:0 0 30px var(--gold-glow);--shadow-glow-purple:0 0 30px var(--purple-glow);--transition:.2s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background-color:var(--bg-deep);color:var(--text-primary);min-height:100vh;font-family:Inter,Noto Serif JP,sans-serif;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(80% 60% at 50% -10%,#7c4dff1f 0%,#0000 60%),radial-gradient(60% 40% at 80% 80%,#d4a8530f 0%,#0000 50%);position:fixed;inset:0}#root{z-index:1;min-height:100vh;position:relative}a{color:var(--gold);transition:color var(--transition);text-decoration:none}a:hover{color:var(--gold-light)}img{max-width:100%}h1{color:var(--text-primary);font-family:Noto Serif JP,serif;font-size:clamp(1.8rem,4vw,3rem);font-weight:700;line-height:1.3}h2{color:var(--gold);font-family:Noto Serif JP,serif;font-size:clamp(1.3rem,3vw,2rem);font-weight:500}h3{color:var(--text-primary);font-size:1.1rem;font-weight:500}p{color:var(--text-secondary);line-height:1.8}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.container-narrow{max-width:700px;margin:0 auto;padding:0 1.5rem}.card{background:var(--bg-card);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(12px);padding:1.5rem}.card-glass{background:var(--bg-glass);border:1px solid var(--bg-glass-border);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:1.5rem}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.btn-primary{color:#0a0a14;box-shadow:0 4px 16px var(--gold-glow);background:linear-gradient(135deg,#d4a853,#b8860b)}.btn-primary:hover:not(:disabled){box-shadow:0 8px 24px var(--gold-glow);background:linear-gradient(135deg,#f0c878,#d4a853);transform:translateY(-2px)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--bg-glass-border)}.btn-secondary:hover:not(:disabled){background:#ffffff14;transform:translateY(-1px)}.btn-ghost{color:var(--text-secondary);background:0 0;padding:.5rem 1rem}.btn-ghost:hover:not(:disabled){color:var(--text-primary)}.btn-lg{border-radius:var(--radius-md);padding:1rem 2.5rem;font-size:1.1rem}.btn-sm{padding:.4rem .9rem;font-size:.85rem}.nav{z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--bg-glass-border);background:#0a0a14e6;padding:.8rem 0;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex}.nav-logo{color:var(--gold);letter-spacing:.02em;font-family:Noto Serif JP,serif;font-size:1.1rem;font-weight:700;text-decoration:none}.nav-links{align-items:center;gap:1.5rem;list-style:none;display:flex}.nav-links a{color:var(--text-secondary);transition:color var(--transition);font-size:.9rem}.nav-links a:hover{color:var(--text-primary)}.badge{border-radius:999px;align-items:center;padding:.2rem .6rem;font-size:.75rem;font-weight:500;line-height:1;display:inline-flex}.badge-gold{color:var(--gold);background:#d4a85326;border:1px solid #d4a8534d}.badge-purple{color:var(--purple-light);background:#7c4dff26;border:1px solid #7c4dff4d}.stat-bar{flex-direction:column;gap:.25rem;display:flex}.stat-bar-label{color:var(--text-secondary);justify-content:space-between;font-size:.8rem;display:flex}.stat-bar-track{background:#ffffff14;border-radius:999px;height:6px;overflow:hidden}.stat-bar-fill{border-radius:999px;height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.era-badge{letter-spacing:.04em;border-radius:999px;align-items:center;gap:.4rem;padding:.3rem .8rem;font-size:.8rem;font-weight:600;display:inline-flex}.era-primitive{color:#bcaaa4;background:#8d6e6333;border:1px solid #8d6e6366}.era-ancient{color:#ffca28;background:#f9a8251a;border:1px solid #f9a8254d}.era-medieval{color:#ce93d8;background:#7b1fa233;border:1px solid #7b1fa266}.era-early_modern{color:#90caf9;background:#1565c033;border:1px solid #1565c066}.era-modern{color:#a5d6a7;background:#2e7d3233;border:1px solid #2e7d3266}.era-contemporary{color:#80deea;background:#00838f33;border:1px solid #00838f66}.spinner{border:2px solid var(--bg-glass-border);border-top-color:var(--gold);border-radius:50%;width:2rem;height:2rem;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:3rem;font-size:.9rem;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:.4s forwards fadeIn}.animate-slide-in{animation:.3s forwards slideIn}.grid-2{grid-template-columns:repeat(2,1fr);gap:1rem;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}@media (width<=768px){.grid-2,.grid-3{grid-template-columns:1fr}}.text-gold{color:var(--gold)}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.text-small{font-size:.85rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.w-full{width:100%}