From Sannomiya station:

take the Kobe Subway Seishin Yamate line(西神・山手線) , get off at Shin Kobe station(新神戸) and go to the North Exit. There is an elevator going up to the 3rd floor. Please take it.

From the Shinkansen Shin Kobe station
(3min-walk from the exit gate)

Go out the main exit, straight from the exit, and at the end, go outside by turning left, then walking for 1 minutes, you will see the sky bridge with the roof. Go straight and you will see the sign of Kobe Beef Gallery.

Go through the ticket gate, and turn left. Go outside the station building, turn right, and walk along the front of the building until you reach the end of the path.
Then, turn left, cross the narrow road, and walk across the bridge until you reach Shin Kobe Oriental Avenue building. Go throught the automatic doubled-door entrance, walk straight on, through another set of automatic doors, along a short path, and the Kobe Beef Gallery is on the left.