Follow-up

src/components/main/Main.scss

@@ -179,6 +179,8 @@
 }
 
 body.is-android.animation-level-1 {
+  --layer-transition: 250ms ease-in-out;
+
   #LeftColumn, #MiddleColumn, #RightColumn {
     transition: transform var(--layer-transition), opacity var(--layer-transition);
   }

src/styles/_variables.scss

@@ -212,7 +212,6 @@ $color-user-8: #faa774;
 
   body.is-android {
     --slide-transition: 200ms ease-in-out;
-    --layer-transition: 250ms ease-in-out;
   }
 
   --select-transition: 200ms ease-out;