diff --git a/public/css/overload.css b/public/css/overload.css
index 820114aec..a4d53f9c1 100644
--- a/public/css/overload.css
+++ b/public/css/overload.css
@@ -22,13 +22,24 @@ li > a.sc-current-element:before {
     right: 0;
     border: 0;
 }
+
+/* 幅が狭いと横にスクロール出来てしまう問題 */
+.article a {
+    word-wrap: break-word;
+}
+
+.article table {
+    table-layout: fixed;
+}
+
 @media only screen {
-    .github-ribbon{
+    .github-ribbon {
         display: none;
     }
 }
+
 @media only screen and (min-width: 768px) {
-    .github-ribbon{
+    .github-ribbon {
         display: block;
     }
 }
\ No newline at end of file