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 | 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 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 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 | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 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 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -6,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                808,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                231,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                907,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                131,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,183,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                131,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                808,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                576,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -26,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                249,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -27,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,184,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                907,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                201,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                792,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                456,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -205,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                802,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -145,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -206,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                802,718,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -6,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                346,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                201,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                853,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                852,835,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                792,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                360,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                497,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                435,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                695,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                695,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                334,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                497,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                435,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -272,157,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | 
                                                81,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                81,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                81,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                163,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                163,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                163,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                81,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                163,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                81,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                7,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                7,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                188,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                188,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                188,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                127,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                127,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                127,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                -224,510,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                230,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -69,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                178,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                115,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                115,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                330,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -69,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                330,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                394,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                178,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                355,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                121,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                121,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                121,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                356,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                356,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -14,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                127,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                107,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                355,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                107,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |