diff --git a/2025-activities/index.html b/2025-activities/index.html
index 3acda9d..160cb4c 100644
--- a/2025-activities/index.html
+++ b/2025-activities/index.html
@@ -47,7 +47,12 @@
 </div>
 
 <main class="activity">
-
+<article id="class0">
+<h3 name="#0415">好ご期待!!</h3>
+<h4>2025-04-15</h4>
+<p>
+</p>
+</article>
 
 </main>