Revert "Master.scssとOriginal.scssを修正"

This reverts commit 8bd7670bc3214b778f8ae2c9b3b3dae0db9fa77d.
Revert "Revert "Master.scssとOriginal.scssを修正""

This reverts commit 53ac8aee70cb9cf6a6cf083a6a7ac0faba1d5018.