Sorry I don't mean Japanese firms hiring Japanese workers, I understand that's largely due to language fluency. I meant how much in-person work happens in remote branches. So many Japanese shakaijin friends at Japanese companies are taking constant business trips around the country to do things that a video call and an email thread would do in the West. It helps that transportation in Japan is ubiquitous and cheap so it's fairly easy to go on-site, but it still ends up wasting a lot of time and productivity that I don't think Western firms have to deal with.