With Japan tightening rules for foreign residents, some wonder if it’s time to say ‘sayonara’

By Chris Lau, Christine Miyawaki, CNN Tokyo (CNN) — Zen gardens, futuristic cityscapes and a vibrant food scene, combined with a favorable exchange rate against the yen, have turned Japan into a tourist magnet that has been drawing in record numbers of visitors in recent years. The number of people settling down for longer-term stays,