v3.26.1
Schedule of Components of Loss Before Income Taxes (Details) - JPY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
ComponentsOfLossBeforeIncomeTaxesLineItems [Line Items]      
Income tax expense
JAPAN      
ComponentsOfLossBeforeIncomeTaxesLineItems [Line Items]      
Income tax expense ¥ (1,489,414) ¥ (534,685) ¥ (661,966)