diff --git a/index.html b/index.html
index 5aba45c..a396b62 100644
--- a/index.html
+++ b/index.html
@@ -14,16 +14,16 @@
     <div class="container">
     <p>
       <a href="http://validator.w3.org/check?uri=https%3A%2F%2F076.ne.jp%2F">
-        <img src="valid-xhtml11.png" alt="Valid XHTML 1.1" height="31" width="88" />
+        <img src="/valid-xhtml11.png" alt="Valid XHTML 1.1" height="31" width="88" />
       </a>
       <a href="https://jigsaw.w3.org/css-validator/validator?lang=ja&amp;profile=css3svg&amp;uri=https%3A%2F%2076.ne.jp&amp;usermedium=all&amp;vextwarning=&amp;warning=1">
-        <img style="border:0;width:88px;height:31px" src="valid-css.png" alt="正当なCSSです!" />
+        <img style="border:0;width:88px;height:31px" src="/valid-css.png" alt="正当なCSSです!" />
       </a>
       <a href="https://anybrowser.org/campaign/images/button_enhanced.gif">
-        <img style="border:0;width:88px;height:31px" src="any1.gif" alt="どっちでもブラウザで表示出来ます！" />
+        <img style="border:0;width:88px;height:31px" src="/any1.gif" alt="どっちでもブラウザで表示出来ます！" />
       </a>
       <a href="http://www.catb.org/hacker-emblem/">
-        <img src="hacker.png" alt="hacker emblem" />
+        <img src="/hacker.png" alt="hacker emblem" />
       </a>
     </p>
       <div class="nihongo">