OSAKA INFO: http://www.osaka-info.jp/en/
From Kansai International Airport
About 1hour to the venue by train or bus.
Directions from the airport to the venue (Google Maps)
Additional information:
From Narita International Airport
Directions from the airport to the venue by train (Google Maps)
Additional information:
The visitors from the certain countries/regions and under its certain conditions, VISA is not required for the short-term stay in Japan (68 countries/regions as of August 13, 2017).
Additional information: http://www.mofa.go.jp/j_info/visit/visa/short/novisa.html