diff --git a/docs/browser.css b/docs/browser.css
index e31c12e..392082f 100644
--- a/docs/browser.css
+++ b/docs/browser.css
@@ -1,2 +1,3 @@
-@charset "shift_jis";
+@charset "utf-8";
+
 @import url("browser2.css");
diff --git a/docs/browser2.css b/docs/browser2.css
index b24b709..e61ba2a 100644
--- a/docs/browser2.css
+++ b/docs/browser2.css
@@ -1,4 +1,4 @@
-@charset "shift_jis";
+@charset "utf-8";
 
 body{
 	padding: 0px;
@@ -9,7 +9,7 @@ body{
 }
 
 h1:before{
-	content: "�� ";
+	content: "◆ ";
 }
 
 h1{
@@ -262,11 +262,11 @@ div.tagremarks {
 }
 
 span.toindexanchor:before {
-	content: "�� ";
+	content: "△ ";
 }
 
 span.toindexanchor:after {
-	content: " ��";
+	content: " △";
 }
 
 div.toindex{