:root{--menu-bar:#4c97ff;--menu-bar-dark:#3373cc;--ui-bg:#e9f1fc;--panel:#fff;--border:#d9e3f2;--text:#575e75;--accent:#855cd6;--flag-hover:#e6f0ff;--bubble-border:#c5ccd6;color:var(--text);font-family:Helvetica Neue,Helvetica,Arial,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif}*{box-sizing:border-box}.brand{align-items:center;gap:6px;display:inline-flex}.brand img{width:32px;height:32px}