*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f7f6f3;--surface:#ffffff;--border:#e8e5df;--text-primary:#1a1a1a;--text-secondary:#888;--text-done:#bbb;--accent:#2d6a4f;--accent-light:#e8f5ef;--danger:#c0392b;--danger-light:#fdf0ee;--shadow:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);--shadow-hover:0 4px 12px rgba(0,0,0,0.08);--radius:12px}body{font-family:-apple-system,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif;background:var(--bg);color:var(--text-primary);min-height:100dvh;line-height:1.6}