diff --git a/frontend/src/components/RuntimePresentation.tsx b/frontend/src/components/RuntimePresentation.tsx
index 32014bd..66f8540 100644
--- a/frontend/src/components/RuntimePresentation.tsx
+++ b/frontend/src/components/RuntimePresentation.tsx
@@ -238,10 +238,12 @@ export default function RuntimePresentation({
   // NOTE: fadeOut config is NOT used for video transitions.
   // Video transitions end instantly (last frame = new page, then overlay removed).
   // fadeIn is used for non-video navigation (crossfade 500ms).
+  // hasActiveTransition includes pendingTransitionComplete to prevent crossfade
+  // during the video-to-background handoff phase.
   const { isFadingIn, resetFadeIn } = useBackgroundTransition({
     pageSwitch,
     fadeIn: {
-      hasActiveTransition: Boolean(transitionPreview),
+      hasActiveTransition: Boolean(transitionPreview) || pendingTransitionComplete,
     },
   });