Statement Of Changes In Equity
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 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 | 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 | 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 | 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 | 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 | 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 | 2023-01-01 to 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 | 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 | 2023-01-01 to 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 | As at 2023-12-31 | 2023-01-01 to 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 | 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 | 2023-01-01 to 2023-12-31 | As at 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 | 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 | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,073,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,073,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,308,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,073,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,547,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,761,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,620,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,844,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,761,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,630,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,308,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,538,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,746,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -955,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -900,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,356,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                510,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                510,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -900,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,301,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,746,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,301,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                510,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,356,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,694,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,678,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,474,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,474,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,678,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,691,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,716,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,917,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,917,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,917,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,713,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,700,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | — | — | — | — | 
                                                99,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                199,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                99,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                199,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                199,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                199,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                99,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                99,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                271,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                271,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                543,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                543,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | 
                                                -860,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -860,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -889,092,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -860,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -860,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -933,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -900,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -900,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -900,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -900,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                562,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                264,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                562,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                274,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                236,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                562,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                562,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -889,092,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -860,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -860,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                562,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -392,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,777,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -390,094,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                271,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,777,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,406,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,744,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -357,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,406,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -360,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,406,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |