diff --git a/2022-activities/index.html b/2022-activities/index.html
index ac31c15..d5c5cd3 100644
--- a/2022-activities/index.html
+++ b/2022-activities/index.html
@@ -20,10 +20,10 @@
 
         <div id="container" class="wrapper">
             <main>
-		<article class="class1">
+		<article id="class1">
 			<div class="article-title-area">
 				<figure><img src="../img/riku_umi.png" alt="リクとウミ"></figure>
-						<h2 class="article-title"><a href="#">開塾式</a></h2>
+						<h2 class="article-title"><a href="#class1">開塾式</a></h2>
 			</div>
 			<ul class="meta">
 				<li>2022.06.4</li>