@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0a0a0b;--bg-secondary: #141416;--bg-tertiary: #1c1c1f;--bg-elevated: #222225;--bg-hover: #2a2a2e;--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #71717a;--text-disabled: #52525b;--accent-primary: #6366f1;--accent-primary-hover: #818cf8;--accent-secondary: #8b5cf6;--accent-success: #22c55e;--accent-warning: #f59e0b;--accent-danger: #ef4444;--border-default: #27272a;--border-subtle: #1f1f23;--border-focus: #6366f1;--glass-bg: rgba(20, 20, 22, .8);--glass-border: rgba(255, 255, 255, .08);--glass-blur: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px rgba(99, 102, 241, .15);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--font-sans: "Inter", "Noto Sans JP", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(99,102,241,.15),transparent),radial-gradient(ellipse 60% 40% at 100% 100%,rgba(139,92,246,.1),transparent);pointer-events:none;z-index:-1}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-primary-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}img{max-width:100%;height:auto;display:block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-weight:500;font-size:14px;border-radius:var(--radius-md);transition:all var(--transition-normal);cursor:pointer;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;box-shadow:var(--shadow-sm),var(--shadow-glow)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md),0 0 30px #6366f140}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-default)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--text-muted)}.btn-danger{background:var(--accent-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:14px 28px;font-size:16px}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.spinner{width:32px;height:32px;border:3px solid var(--border-default);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:12px 16px;border-radius:var(--radius-md);margin-bottom:16px;font-size:14px}.success-message{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#86efac;padding:12px 16px;border-radius:var(--radius-md);margin-bottom:16px;font-size:14px}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 0%,var(--bg-elevated) 50%,var(--bg-tertiary) 100%);background-size:200% 100%;animation:skeleton-pulse 1.5s ease-in-out infinite;border-radius:var(--radius-md)}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}::selection{background:var(--accent-primary);color:#fff}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(max-width:768px){html{font-size:14px}.btn{padding:8px 16px}}