diff --git a/_includes/head.html b/_includes/head.html
index 8247288..b62e51e 100755
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -11,8 +11,8 @@
   <meta name="theme-color" content="{{ site.themeColor }}">    
   <link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-<link href="https://fonts.googleapis.com/css2?family=Shippori+Mincho&display=swap" rel="stylesheet">
-  <style>body,input{font-family:"Shippori Mincho","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Courier New",Courier,monospace}</style>
+<link href="https://fonts.googleapis.com/css2?family=Roboto+Mono:ital,wght@0,100..700;1,100..700&family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap" rel="stylesheet">
+  <style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
 
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
   <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">