:root{--bg-deep:#0a0510;--bg-mid:#1a0a1f;--bg-soft:#2a1530;--gold:#c9a96e;--gold-bright:#e0c186;--text-primary:#f5ecd9;--text-secondary:#f5ecd9b3;--text-tertiary:#f5ecd966;--font-mincho:"Hiragino Mincho ProN", "Yu Mincho", "游明朝", "MS P明朝", serif;--font-mincho-display:"Shippori Mincho B1", "Hiragino Mincho ProN", serif}*{box-sizing:border-box;margin:0;padding:0}html,body{background:radial-gradient(ellipse at center, var(--bg-mid) 0%, var(--bg-deep) 70%);width:100%;height:100%;color:var(--text-primary);font-family:var(--font-mincho);font-feature-settings:"palt";-webkit-font-smoothing:antialiased;overflow:hidden}#root{width:100%;max-width:480px;height:100%;margin:0 auto;overflow:hidden}button{font-family:var(--font-mincho);cursor:pointer;border:1px solid var(--gold);color:var(--gold);letter-spacing:.05em;-webkit-user-select:none;user-select:none;background:0 0;min-height:48px;padding:14px 32px;font-size:16px;transition:all .4s}button:hover{color:var(--gold-bright);border-color:var(--gold-bright);background:#c9a96e1a}button:disabled{opacity:.3;cursor:not-allowed}@keyframes float{0%,to{opacity:.3;transform:translateY(0)}50%{opacity:.6;transform:translateY(-30px)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}