Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -152,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,915,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,004,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                157,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,910,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,058,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,093,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,964,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                34,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -152,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,969,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                157,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,763,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,034,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -152,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,768,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -152,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                46,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,957,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,911,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                157,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,878,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,736,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,422,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,427,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,620,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,570,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,644,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -152,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -152,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,357,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,500,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,823,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) attributable to owners of parent | — | — | — | — | — | 
                                                249,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                249,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                249,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                378,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                378,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                378,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                -108,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -120,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -11,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -11,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                10,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                14,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                -108,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                147,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -29,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                147,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                147,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                135,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                91,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                228,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -137,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                336,895,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                389,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                378,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                340,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                378,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                14,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |