>>240
一応JR九州といくつかの私鉄が試験導入しとるな
https://i.imgur.com/Unq986s.jpg
https://i.imgur.com/Rz9CwfK.jpg
https://i.imgur.com/oSRXa9X.jpg
https://i.imgur.com/WCfX1IA.jpg

JR東日本はQRを選んだけど
https://i.imgur.com/oHteeNH.jpg
https://i.imgur.com/QJ8oM3W.jpg