*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #072033;--panel: #0c2c45;--panel-2: #17415f;--text: #e8f0f6;--text-dim: #8ba9bf;--accent: #58a8c8;--on-accent: #06202f;--syllable: #e3b483;--danger: #e08a86;--shadow: rgba(0, 0, 0, .45);--bottom-bar-h: 64px;--r-lg: 0;--r-md: 0;--r-sm: 0;--r-pill: 0}html,body,#root{height:100%}body{font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;background:radial-gradient(120% 90% at 50% 42%,#0b2c46 0%,var(--bg) 70%);background-attachment:fixed;color:var(--text)}.app{min-height:100%;display:flex;flex-direction:column}.header{padding:16px 20px 0;max-width:720px;width:100%;margin:0 auto}.header h1{font-size:20px;margin-bottom:12px}.tabs{display:flex;gap:8px}.tabs-top .tab{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border:none;border-radius:var(--r-md) var(--r-md) 0 0;background:var(--panel);color:var(--text-dim);font-size:14px;cursor:pointer}.tabs-top 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