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 | 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 | 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 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                45,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,128,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,062,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -111,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,404,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -9,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -9,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,735,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                88,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,443,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,315,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,735,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -111,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                673,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,203,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,167,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,119,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                3,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,482,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                88,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,394,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                673,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,244,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,199,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,735,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,735,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -111,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -111,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                43,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,062,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,280,679,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,207,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,520,571,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,062,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -111,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,795,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,735,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,516,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,832,429,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,707,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,735,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -111,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                673,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,556,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,840,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,840,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,595,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,707,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,520,085,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -18,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | 
                                                -60,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -60,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -60,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -60,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -55,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -294,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -294,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -294,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -294,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -291,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                1,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -3,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -3,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                1,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -78,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -77,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -78,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -79,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -78,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -77,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -77,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -312,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -312,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -311,857,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -311,857,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -312,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -317,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -315,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |