デルタすごすぎない？これ
https://i.imgur.com/QaAj1t9.jpg
https://i.imgur.com/b0YOVf7.jpg

https://1point02.jp/op/gnav/column/bs/column.aspx?cid=53695
https://1point02.jp/op/gnav/column/bs/column.aspx?cid=53696