First time in Japan

First time in Japan
I'm not sure which train pass to buy and whether I should buy an individual pass. Our itinerary is as follows:
04/20/26 - Tokyo - Kanazawa
04/22 - Kanazawa - Hiroshima
04/23 - Hiroshima - Naoshima
04/25 - Naoshima - Kyoto
04/28 - Kyoto-Nara-Kyoto
04/29 - Kyoto - Osaka - Kyoto
04/30 - Kyoto - Hakone
05/01 - Hakone - Tokyo
Thank you very much for your help.