coderdojo-japan
diff --git a/‎img/cover-photo.jpg
-19.6 KB b/‎img/cover-photo.jpg
-19.6 KB
diff --git a/‎img/cover-photo.png
-91.2 KB b/‎img/cover-photo.png
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diff --git a/‎img/cover-photo.pxd
2.75 MB b/‎img/cover-photo.pxd
2.75 MB
diff --git a/‎img/cover-photo.webp
69 KB b/‎img/cover-photo.webp
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diff --git a/‎index.html
Lines changed: 1 addition & 1 deletion b/‎index.html
Lines changed: 1 addition & 1 deletion
@@ -187,7 +187,7 @@ <h3 class="headline rich_font" style='margin-top: 70px;'>CoderDojo とは？</h3
 	</div>
 
 	<div class="index_content2">
-	  <img src="/img/cover-photo.jpg" loading="lazy"
+	  <img src="/img/cover-photo.webp" loading="lazy"
 	       alt="DojoCon Japan Cover Photo"
 	     title="DojoCon Japan Cover Photo" />
 	</div>