import '@kichiyaki/roboto'; import { useEffect } from 'react'; import { AppProps } from 'next/app'; import ThemeProvider from 'libs/material-ui/ThemeProvider'; function MyApp({ Component, pageProps }: AppProps) { useEffect(() => { const jssStyles = document.querySelector('#jss-server-side'); if (jssStyles && jssStyles.parentElement) { jssStyles.parentElement.removeChild(jssStyles); } }, []); return ( ); } export default MyApp;