diff --git a/assets/css/main.css b/assets/css/main.css
index a9d4ef1..4120252 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -12,6 +12,7 @@ main,
 textarea,
 textfield {
   font-family: Jost, "Noto Sans Japanese", sans-serif, --apple-system;
+  font-size: 1.25rem;
 }
 
 main {
@@ -944,4 +945,4 @@ textfield {
       display: block;
     }
   }
-}
\ No newline at end of file
+}