The conference venue is Kobe Industrial Promotion Center (written in Japanese only).
It takes aboue 5 min. walk from Kobe train station (JR line), 6 min. from Nishi-Motomachi train station (Hanshin line) and 8 min. from Kousoku-Kobe train station (Kobe Rapid Transit Railway).
You can also check the place on your own google maps here.
Detailed access information is also available here (Japanese only).