diff --git a/src/main/java/istlab/KisoJikken/MyRSJTextArea.java b/src/main/java/istlab/KisoJikken/MyRSJTextArea.java
index 52de34c..7f53931 100644
--- a/src/main/java/istlab/KisoJikken/MyRSJTextArea.java
+++ b/src/main/java/istlab/KisoJikken/MyRSJTextArea.java
@@ -41,7 +41,7 @@
         Style commentStyle3 = new Style(new Color(0xcc, 0x00, 0xcc), new Color(0xff, 0xcc, 0xff),
                 new Font("SansSerif", Font.ITALIC, 14));
         Style commentStyle4 = new Style(new Color(0x33, 0x88, 0xcc), new Color(0xee, 0xee, 0xee),
-                new Font(Font.MONOSPACED, Font.PLAIN, 14));
+                new Font("SansSerif", Font.PLAIN, 14));
         int[] comlist = new int[] { Token.COMMENT_EOL, Token.COMMENT_KEYWORD, Token.COMMENT_MARKUP };
         for (int c : comlist){
             scheme.setStyle(c, commentStyle);