Statement Of Changes In Equity
| Concept | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                41,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,788,271,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,755,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,222,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,220,677,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,222,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,659,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,220,677,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,222,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -35,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,788,271,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,684,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,316,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                326,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                326,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,796,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                43,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,926,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                206,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,258,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,258,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,926,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,499,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,033,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                693,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                693,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,749,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                693,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                990,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,416,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                123,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,616,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                123,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                204,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,169,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,616,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                123,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,688,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                606,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                156,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                156,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                808,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,688,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                159,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | — | — | — | 
                                                1,058,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,058,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,058,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,058,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,140,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,140,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,140,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,140,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | 
                                                -294,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -294,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -294,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -294,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -242,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -310,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -310,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -310,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -310,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -247,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                -2,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -2,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                120,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                120,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                118,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -2,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                48,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                49,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                -2,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -294,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                816,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                764,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                762,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                120,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,638,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -294,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -242,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                934,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                529,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -310,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                830,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                892,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -247,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -310,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                829,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                941,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |