diff --git a/build-bookmarklet.sh b/build-bookmarklet.sh
index 977f7d8..b63f8a6 100755
--- a/build-bookmarklet.sh
+++ b/build-bookmarklet.sh
@@ -146,6 +146,19 @@ cat > "$DIST_DIR/install.html" << INSTALLEOF
     </style>
 </head>
 <body>
+    <!-- Banner Video: plays once, collapses after ending -->
+    <div id="banner-video-wrap" style="width: 100%; max-width: 600px; margin: 0 auto 20px auto; border-radius: 12px; overflow: hidden; pointer-events: none; user-select: none; max-height: 400px; opacity: 1; transition: max-height 0.8s ease-in-out, opacity 0.6s ease-in-out, margin 0.8s ease-in-out;">
+        <video id="banner-video" autoplay muted playsinline disablepictureinpicture style="width: 100%; display: block;" src="https://github.com/TauNeutrino/kantine-overview/raw/main/dist/Arrow_and_fork_fly_away_bd43310bea.mp4"></video>
+    </div>
+    <script>
+        document.getElementById('banner-video').addEventListener('ended', function() {
+            var w = document.getElementById('banner-video-wrap');
+            w.style.maxHeight = '0';
+            w.style.opacity = '0';
+            w.style.marginBottom = '0';
+        });
+    </script>
+
     <div style="text-align: center; margin-bottom: 30px;">
         <h1 style="margin-bottom: 5px; display: flex; align-items: center; justify-content: center; gap: 10px;">
             <img src="$FAVICON_URL" alt="Logo" style="width: 38px; height: 38px;"> 
diff --git a/dist/install.html b/dist/install.html
index 1561702..b77fc0e 100755
--- a/dist/install.html
+++ b/dist/install.html
@@ -24,6 +24,19 @@
     </style>
 </head>
 <body>
+    <!-- Banner Video: plays once, collapses after ending -->
+    <div id="banner-video-wrap" style="width: 100%; max-width: 600px; margin: 0 auto 20px auto; border-radius: 12px; overflow: hidden; pointer-events: none; user-select: none; max-height: 400px; opacity: 1; transition: max-height 0.8s ease-in-out, opacity 0.6s ease-in-out, margin 0.8s ease-in-out;">
+        <video id="banner-video" autoplay muted playsinline disablepictureinpicture style="width: 100%; display: block;" src="https://github.com/TauNeutrino/kantine-overview/raw/main/dist/Arrow_and_fork_fly_away_bd43310bea.mp4"></video>
+    </div>
+    <script>
+        document.getElementById('banner-video').addEventListener('ended', function() {
+            var w = document.getElementById('banner-video-wrap');
+            w.style.maxHeight = '0';
+            w.style.opacity = '0';
+            w.style.marginBottom = '0';
+        });
+    </script>
+
     <div style="text-align: center; margin-bottom: 30px;">
         <h1 style="margin-bottom: 5px; display: flex; align-items: center; justify-content: center; gap: 10px;">
             <img src="data:image/png;base64,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" alt="Logo" style="width: 38px; height: 38px;"> 
