diff --git a/src/pages/drag/v4.astro b/src/pages/drag/v4.astro
index 6b6d9fc..d7a293e 100644
--- a/src/pages/drag/v4.astro
+++ b/src/pages/drag/v4.astro
@@ -465,7 +465,7 @@ import Layout from '../../layouts/Layout.astro';
         const targetZoneBorders = [];
         targetZones.forEach((targetZone) => {
           const targetImage = this.add.image(targetZone.x, targetZone.y, targetZone.name).setAlpha(0);
-          const targetBorder = this.add.image(targetZone.x, targetZone.y, "border").setAlpha(0).setScale(borderScale);
+          const targetBorder = this.add.image(targetZone.x, targetZone.y, "border").setAlpha(0.05).setScale(borderScale);
           targetZoneBorders.push(targetBorder);
           targetZone.block = null;
         }),
@@ -505,7 +505,7 @@ import Layout from '../../layouts/Layout.astro';
 
                         droppedOnTargetZone = true;
                         targetZoneBorders[targetIndex].setVisible(true);
-                        targetZoneBorders[targetIndex].setAlpha(0);
+                        targetZoneBorders[targetIndex].setAlpha(0.05);
                         return;
                     }
             });