Which is the right pass for my group? Can buy separate types

Trying to decide which pass(es) to buy for my group. Can change the dates and order around for the Hiroshima/Kyoto/Rabbit Island/Tokyo section. Are the 7 and 14-day all-Japan passes the best options for us, or is a regional pass better?

Thank you!

Passenger 1:
Tokyo-Kanazawa, May 19
Kanazawa-Kusatsu Onsen, May 22 (also could use some help with this leg, since I think a bus is needed?)
Kusatsu Onsen -Tokyo, May 23

Passenger 2:
Tokyo - Hiroshima, May 26
Hiroshima-Kyoto, May 28
Kyoto-Rabbit Island-Kyoto, May 29
Kyoto-Tokyo, June 1

Passenger 3:
All of the above