:root{--navy: #13335f;--navy-700: #0e2748;--teal: #0d9488;--teal-600: #0f766e;--bg: #f4f6fa;--surface: #ffffff;--border: #e3e8ef;--text: #1f2a37;--muted: #6b7785;--ok: #15803d;--ok-bg: #ecfdf3;--err: #b42318;--err-bg: #fef3f2;--warn-bg: #fffaeb;--warn-bd: #fde68a;--radius: 12px;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);--shadow-lg: 0 8px 24px rgba(16, 24, 40, .1)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,BIZ UDPGothic,Meiryo,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}a{color:var(--teal-600)}.app{display:flex;flex-direction:column;min-height:100%}.topbar{background:var(--navy);color:#fff;padding:14px 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