v3.26.1
Commitments - Schedule of Significant Commitments for Purchase of Goods and Services (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Commitments [Abstract]    
Purchase contracts for services ¥ 25,175 ¥ 3,738
Intangible assets 515 1,138
Property and equipment 494 192
Total ¥ 26,184 ¥ 5,068