[add] db/seeds style.scss (#2616)
[add] db/seeds style.scss (#2616)

修正後のstyle.scssをマージ。
shirasagi/shirasagi,sunny4381/shirasagi,ShinjiTanimoto/shirasagi,tany/ss,itowtips/shirasagi,ShinjiTanimoto/shirasagi,MasakiInaya/shirasagi,sunny4381/shirasagi,shirasagi/shirasagi,sunny4381/shirasagi,sunny4381/shirasagi,tany/ss,itowtips/shirasagi,itowtips/shirasagi,ShinjiTanimoto/shirasagi,MasakiInaya/shirasagi,tany/ss,ShinjiTanimoto/shirasagi,MasakiInaya/shirasagi,shirasagi/shirasagi,tany/ss,itowtips/shirasagi,MasakiInaya/shirasagi,shirasagi/shirasagi