diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc011031a..ee5f11bcd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,9 @@ and this project adheres to
 
 - 🐛(frontend) fix removed item in the tree #2420
 
+### Changed
+
+- ♿️(frontend) hide mobile left panel from screen readers when collapsed #2450
 
 ## [v5.3.0] - 2026-06-19
 
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 1158ac4cd..0a3dc0150 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
@@ -93,6 +93,7 @@ const LeftPanelMobile = () => {
       <Box
         $hasTransition
         $height="100vh"
+        inert={!isPanelOpenMobile}
         $css={css`
           z-index: 999;
           width: 100dvw;