Semi-Annual Consolidated 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 | 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 | 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 | 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 | 2024-04-01 to 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 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 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 | 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,978,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,008,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,635,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,181,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                195,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                195,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,978,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                969,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,606,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,152,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,406,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,376,741,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                4,635,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                4,768,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,008,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,740,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,978,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,404,060,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,540,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,978,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                969,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,531,959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,432,575,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,804,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                74,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,207,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,007,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                969,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,919,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,272,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,978,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,978,533,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,008,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,994,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,235,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,890,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -154,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -115,786,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -96,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -96,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -96,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                629,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                629,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                629,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                96,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                132,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                96,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                24,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                24,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                96,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -133,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -133,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                132,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -169,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -251,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -155,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -251,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -133,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -36,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                532,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                513,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                532,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                532,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                24,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                532,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                513,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                537,928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |