diff --git a/packages/smarthr-ui/src/components/RadioButtonPanel/RadioButtonPanel.stories.tsx b/packages/smarthr-ui/src/components/RadioButtonPanel/RadioButtonPanel.stories.tsx
index 3ca1fc0f18..5eba7dd7bb 100644
--- a/packages/smarthr-ui/src/components/RadioButtonPanel/RadioButtonPanel.stories.tsx
+++ b/packages/smarthr-ui/src/components/RadioButtonPanel/RadioButtonPanel.stories.tsx
@@ -18,7 +18,7 @@ export const All: StoryFn = () => {
   const handleChange = (e: ChangeEvent<HTMLInputElement>) => setCheckedName(e.currentTarget.name)
 
   return (
-    <Stack as="ul" gap={2}>
+    <Stack as="ul" gap={2} className="shr-list-none">
       <li>
         <Fieldset title="標準的な使い方" titleType="blockTitle">
           <Stack as="ul" gap={0.5} className="shr-ps-[unset]">