https://www.tsugamikoudou.com/challenge-page/c63dc68f-31ca-498d-97e5-824dc8a61379 2026-04-17 https://static.wixstatic.com/media/b18436_cb3b7b0340ec44a0bf0039e211fb0946~mv2.jpg/v1/fit/w_1000,h_800,al_c,q_90/file.jpg 尺八の楽譜と楽器