diff --git a/src/app/chat/VirtualIdol/style.ts b/src/app/chat/VirtualIdol/style.ts
index 7947830d..c71f8365 100644
--- a/src/app/chat/VirtualIdol/style.ts
+++ b/src/app/chat/VirtualIdol/style.ts
@@ -4,8 +4,6 @@ export const useStyles = createStyles(({ css }) => ({
   container: css`
     display: flex;
     flex-direction: column;
-    flex-grow: 1;
-
     width: 100%;
     height: 100%;
   `,
diff --git a/src/features/ChatInfo/index.tsx b/src/features/ChatInfo/index.tsx
index 1dab7778..b5624bbc 100644
--- a/src/features/ChatInfo/index.tsx
+++ b/src/features/ChatInfo/index.tsx
@@ -28,9 +28,8 @@ const Header = () => {
   return (
     <DraggablePanel
       classNames={{ content: styles.content }}
-      defaultSize={{ width: 360 }}
       minWidth={280}
-      maxWidth={420}
+      maxWidth={360}
       mode={'fixed'}
       placement={'right'}
     >
diff --git a/src/features/SessionList/index.tsx b/src/features/SessionList/index.tsx
index 24508a4b..ab692133 100644
--- a/src/features/SessionList/index.tsx
+++ b/src/features/SessionList/index.tsx
@@ -25,8 +25,7 @@ const SideBar = () => {
   return (
     <DraggablePanel
       className={styles.content}
-      defaultSize={{ width: 360 }}
-      maxWidth={420}
+      maxWidth={360}
       minWidth={280}
       mode={'fixed'}
       placement={'left'}