Statement Of Changes In Equity
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -164,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,390,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                351,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,341,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                354,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,561,311,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,433,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,712,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,581,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                359,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -164,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,712,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,390,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                49,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,622,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                428,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,642,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,760,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,940,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                14,912,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                351,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,712,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,161,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,341,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -145,222,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,211,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                330,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                330,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                333,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,382,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                428,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                11,165,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,349,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,382,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,433,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -145,222,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,712,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,447,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,115,651,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,492,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                160,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,821,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                428,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,712,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,712,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,959,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,715,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,991,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                168,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,375,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,375,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -84,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -84,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,433,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,341,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,876,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,825,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,712,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -174,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -174,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -174,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -174,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -174,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -174,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -174,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -153,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -153,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -153,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -153,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -153,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -153,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -153,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,585,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,585,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,585,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                1,651,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,585,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,542,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,542,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,542,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,542,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,606,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | 
                                                7,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                8,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                16,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                15,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                21,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                20,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                27,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                20,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                164,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                164,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                171,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                164,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                165,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                171,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                21,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -18,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -18,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,411,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,400,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,420,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,465,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,492,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,476,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,411,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,251,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,389,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,399,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,335,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,500,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -60,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                171,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                164,593,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,389,541,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                165,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,453,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,571,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -60,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |