Update src/components/menu-bar/google-drive-save.jsx

src/components/menu-bar/google-drive-save.jsx

@@ -193,7 +193,7 @@ class GoogleDriveSave extends React.Component {
 
     renderFileItem(project, thumbnailFiles) {
         const thumbnail = thumbnailFiles.find(
-            thumb => thumb.name === `Penguin-Thumbnail-${project.id}.png`
+            thumb => thumb.name === `Scratch-Thumbnail-${project.id}.png`
         );
 
         return (
@@ -363,7 +363,7 @@ class GoogleDriveSave extends React.Component {
                 
                 // 対応するサムネイルを探して削除
                 const thumbnailToDelete = thumbnailFiles.find(
-                    thumb => thumb.name === `Penguin-Thumbnail-${project.id}.png`
+                    thumb => thumb.name === `Scratch-Thumbnail-${project.id}.png`
                 );
                 
                 if (thumbnailToDelete) {
@@ -439,7 +439,7 @@ class GoogleDriveSave extends React.Component {
             const thumbnailDataUrl = await this.getProjectThumbnail();
             const thumbnailBlob = await (await fetch(thumbnailDataUrl)).blob();
             const thumbnailMetadata = {
-                name: `Penguin-Thumbnail-${fileData.id}.png`,
+                name: `Scratch-Thumbnail-${fileData.id}.png`,
                 mimeType: "image/png",
             };