요구사항 정리
[https://docs.google.com/spreadsheets/d/1uzhS2dEQGU3zCjWpIrD_2VBmIFwF5lgHCQHOZ0viBLg/edit?gid=0#gid=0](https://docs.google.com/spreadsheets/d/1uzhS2dEQGU3zCjWpIrD_2VBmIFwF5lgHCQHOZ0viBLg/preview?gid=0#gid=0)