アイヌ語追加 (#428) (#433)

Reviewed-on: #433
Co-authored-by: miteruzo <miteruzo@naver.com>

frontend/src/components/MenuSeparator.tsx

@@ -3,9 +3,9 @@ import type { FC } from 'react'
 
 const MenuSeparator: FC = () => (
     <>
-      <span className="hidden md:inline flex items-center px-2">|</span>
-      <hr className="block md:hidden w-full opacity-25
+      <span className="top-nav-separator-vertical items-center px-2">|</span>
+      <hr className="top-nav-separator-horizontal w-full opacity-25
 		     border-t border-black dark:border-white"/>
     </>)
 
-export default MenuSeparator
+export default MenuSeparator