There are so many rules with business cards that it borders on parody when you lay them all out at once. Its actually beyond the famous American Psycho scene, which was an intentional over the top parody.

Japanese social culture is similar to Kanji in a lot of ways. Something almost impenetrably complicated and deep that you need to have been born into it to ever truly understand, otherwise you will spend the rest of your life basically having to be a scholar of it to maintain the usable level of a common man there.