styled-components
$ yarn add styled-components
$ yarn add -D @types/styled-components
(https://velog.io/@xmun74/Next.js-TS에서-ESLint-Prettier-설정하기)
공식문서
(https://nextjs.org/docs/advanced-features/compiler#styled-components)
(https://nextjs.org/docs/advanced-features/custom-document#customizing-renderpage)