:root{--color-primary:#00ffd4;--color-text:#333481;--color-accent:#00a1e9;--color-warning:#e61874;--color-background:#f5f5f5;--color-white:#fff;--color-border:#e0e0e0;--color-success:#4caf50;--color-bonus-bg:#e0f7ff;--color-bonus-border:#80d8ff}*{margin:0;padding:0;box-sizing:border-box}#app{font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--color-text);background-color:var(--color-background);min-height:100vh}body{font-size:14px;line-height:1.6}button{cursor:pointer;font-family:inherit;border:none;outline:none}button:disabled{opacity:.6;cursor:not-allowed}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}input,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}