diff --git a/src/frontend/apps/impress/src/features/left-panel/components/LeftPanel.tsx b/src/frontend/apps/impress/src/features/left-panel/components/LeftPanel.tsx
index d0eb7292..ff1fb65d 100644
--- a/src/frontend/apps/impress/src/features/left-panel/components/LeftPanel.tsx
+++ b/src/frontend/apps/impress/src/features/left-panel/components/LeftPanel.tsx
@@ -50,6 +50,7 @@ export const LeftPanel = () => {
             overflow: hidden;
             border-right: 1px solid ${colors['greyscale-200']};
         `}
+          className="bjkNMU"
         >
           <Box
             $css={css`