diff --git a/map4.html b/map4.html
index de1dbe8..c837231 100644
--- a/map4.html
+++ b/map4.html
@@ -54,6 +54,9 @@
     </div>
 
   </div>
+<button id="disbandBtn" class="exit-btn cute" style="background:#ff5d5d;">
+  グループ解散
+</button>
 
 
   <!-- チャット欄 -->