[data-miniapp=katakana-master]{--color-background:#eef2ff;--color-foreground:#1e1b4b;--color-surface:#ffffff;--color-surface-soft:#f7f8ff;--color-accent:#4f46e5;--color-accent-soft:#e0e7ff;--color-muted:#6b7280;--color-border:#e5e7eb;--color-accent-50:#eef2ff;--color-accent-100:#e0e7ff;--color-accent-200:#c7d2fe;--color-accent-400:#818cf8;--color-accent-600:#4f46e5;--color-accent-700:#4338ca;--color-mastery-0:transparent;--color-mastery-1:#fcd34d;--color-mastery-2:#fb923c;--color-mastery-3:#16a34a;--font-display:var(--font-jp)}[data-miniapp=katakana-master].kana-shell{background:linear-gradient(135deg,#f7f8ff,#eef2ff);min-height:100vh}