A) 70 minutes by limousine from Kansai International Airport to Kobe (Sannomiya) (JPY 1800/adult, www.kate.co.jp/pc/index.html), then 10-15 minutes by Port Liner from Kobe (Sannomiya) to the hotels and the conference place.
B) 29 minutes by jet foil (JPY 1500/adult. www.kobe-access.co.jp/) from Kansai International Airport to Kobe airport terminal, then 10 minutes by car to the hotels.