One company I have been visiting since last year has recently implemented “no-overtime days.”   As society changes, they are undoubtedly trying to improve the work-life balance enjoyed by employees, but I am sure that they are also trying to reduce overtime costs. No-overtime days makes sense to me — after all, who wants to spend all day at the office?　In spite of this, when I asked some of the employees what they thought of no-overtime days, they didn’t look that enthusiastic about the idea. “What? You want to spend more time at the office?” I’ve spent a long time in Japan, and frankly, this surprised me.   I worked…