:root{--ink:#2b2f36;--text:#3d434c;--sub:#5f6672;--weak:#8a909b;--rule:#b8bdc5;--hair:#dde0e5;--canvas:#eef0f3;--wash:#f4f5f7;--paper:#fff;--accent:#2d63e0;--accent-strong:#2551b8;--accent-wash:#eef3fd;--danger:#a8443f;--danger-wash:#faf1f0;--ok:#456b4c;--ok-wash:#f1f6f2;--lightningcss-light:initial;--lightningcss-dark: ;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light only}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--canvas);color:var(--text);-webkit-font-smoothing:antialiased;font:14px/1.6 -apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Yu Gothic UI,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:var(--accent);text-decoration:none}h1,h2,h3{color:var(--ink);margin:0}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{background:var(--ink);color:#fff;z-index:40;flex-wrap:wrap;align-items:center;gap:4px;min-height:52px;padding:6px 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