diff --git a/2025-activities/index.html b/2025-activities/index.html
index e38ec94..61aa439 100644
--- a/2025-activities/index.html
+++ b/2025-activities/index.html
@@ -48,6 +48,17 @@
 
 <main class="activity">
 
+<article id="class3">
+<h3 name="#0622">第2回本講義</h3>
+<h4>2025-06-28</h4>
+<p><img src="img/JD2025-01-img1.jpg" alt="受賞">
+
+</p>
+<p><img src="img/JD2025-01-img2.jpeg" alt="受賞">
+
+</p>
+</article>
+
 
 <article id="class2">
 <h3 name="#0622">第1回本講義</h3>