Statement Of Changes In Net Assets
| Concept | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | As at 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2024-02-29 | As at 2024-02-29 | 2023-03-01 to 2024-02-29 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | As at 2023-02-28 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                770,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,371,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                757,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                247,690,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,041,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                243,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,370,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                741,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,042,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                605,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                728,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                216,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                986,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,142,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                757,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                217,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                401,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,141,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                757,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                986,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                167,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                251,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                992,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                757,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                991,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                728,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                936,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                757,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                936,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                234,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                60,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                60,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                150,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                12,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                29,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                26,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                203,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                150,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                150,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                150,079,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |