Hello Daniel!
We are going to travel in September and have created such an itinerary. Please advise if it's worth using a 21-day or 14-day RJ pass for it, or not using one at all.
Sep 30 Departure Tokyo to Hakone
Oct 1
Oct 2 Departure Hakone to Tokyo
Oct 3 Fujikawaguchiko day trip from Tokyo
Oct 4 Nikko day trip from Tokyo
Oct 5
Oct 6 Departure Tokyo to Kanazawa
Oct 7 Day trip to Takayama
Oct 8
Oct 9 Departure Kanazawa to Kyoto
Oct 10
Oct 11
Oct 12 Departure Kyoto to Osaka
Oct 13
Oct 14 Day trip to Nara from osaka
Oct 15 Day trip to Koyasan from osaka
Oct 16
Oct 17 Day trip to Himeji from Osaka
Oct 18 Day trip to Kobe from osaka
Thanks a lot!