参考 https://blogs.unity3d.com/jp/2019/03/13/2d-pixel-perfect-how-to-set-up-your-unity-project-for-retro-8-bits-games/ http://design-program.skr.jp/unity/unity-2d_screen_size_setting https://qiita.com/pixelflag/items/ad817bdd64931e084a46 I…