7 day or 14 day JR pass?

Hi, I plan on the following schedule. Would this worth full 14 day pass or am I better off with 7 day pass?
I would appreciate your insight very much. Thank you.

day 1: round trip between Sapporo and Otaru
day 2: Sapporo to Kushiro
day 3: Use torokko train between Kushiro and Toro and return to Sapporo
day 4: round trip between Sapporo and Furano & use torokko train between Furano and Biei
day 5: Sapporo to Hakodate
day 6: spend a day in Hakodate
day 7: Hakodate to Tokyo
day 8: spend a day in Tokyo
day 9: Tokyo to Kyoto
day 10: Kyoto to Osaka
day 11: round trip between Osaka and Kyoto
day 12: round trip between Osaka Arashiyama and spend time in Osaka
day 13: Osaka to Kansai airport