diff --git a/designkadai10.html b/designkadai10.html
index 1917f88..a8cfa73 100644
--- a/designkadai10.html
+++ b/designkadai10.html
@@ -10,6 +10,7 @@
 
 <h2>課題</h2>
 <p>鎌倉幕府は<span class="check">1192</span>年、</p>
+<p>日本の首都は<span class="check">東京</span>です。</p>
 </body>
 
 </html>