v3.26.1
Schedule of Disaggregation of Revenue (Details) - JPY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disaggregation of Revenue [Line Items]      
Total ¥ 611,708 ¥ 675,561 ¥ 693,104
Transferred at Point in Time [Member]      
Disaggregation of Revenue [Line Items]      
Total 15,739 336,031
Transferred over Time [Member]      
Disaggregation of Revenue [Line Items]      
Total 595,969 675,561 357,073
Sales of Software [Member]      
Disaggregation of Revenue [Line Items]      
Total 294,528 150,971 75,125
Consulting and Support Services [Member]      
Disaggregation of Revenue [Line Items]      
Total 315,291 524,590 617,979
Other [Member]      
Disaggregation of Revenue [Line Items]      
Total ¥ 1,889