Update index.html

index.html

@@ -16,6 +16,8 @@
             display: inline-block;
             margin: 0px;
             padding: 0px;
+            width: 100%;
+            height: 100%;
         }
         #scene-container {
             width: 80vw;
@@ -58,7 +60,7 @@
         </label>
     </div>
     <button id="replayButton" style="margin-top: 10px; display: none;" onclick="replayAnimation()">もう一度再生</button>
-    <canvas id="canvas" style="display: none;"></canvas>
+    <canvas id="canvas"></canvas>
     <div id="scene-container"></div>
 
     <!-- Three.js ライブラリ -->