Osaka - Post Report Question and Answers
What is the typical dress code at work and in public places? Is formal dress ever required?
Suits in winter and "cool biz" in summer when the weather is warm. No formal dress. No balls. Few other diplomatic missions in Osaka. - May 2021
Kansai is the cool-biz capital of Japan. - Oct 2013
At the Consulate, business. - Aug 2006