Statement Of Changes In Equity
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,028,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,258,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,004,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                976,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,258,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                974,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                854,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,104,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -752,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,104,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,028,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,003,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -752,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,012,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,336,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,274,550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,249,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,336,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,012,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                974,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,508,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,508,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                260,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                260,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                260,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                -93,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -93,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -846,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,768,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                260,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,768,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                260,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                754,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — |