Consolidated Statement Of Income
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||
| Operating revenue | — | — | 
                                                5,389,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                116,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,389,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                992,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,280,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,219,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,219,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,172,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                959,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | 
                                                131,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                100,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                128,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Welfare expenses | — | — | 
                                                43,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                39,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                41,034,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Depreciation | — | — | — | — | — | — | — | — | 
                                                2,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||
| General and administrative expenses | ||||||||||||||||||||||||
| Salaries | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||
| Operating profit (loss) | — | — | 
                                                888,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                31,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,375,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                481,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,276,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -487,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,378,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -507,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                793,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                870,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,301,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | — | 
                                                888,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,905,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                953,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                995,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||||
| Non-operating income | ||||||||||||||||||||||||
| Interest income | — | — | 
                                                5,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                26,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                29,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Dividend income | — | — | 
                                                36,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,419,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                31,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,292,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other | — | — | 
                                                11,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                11,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | — | — | 
                                                72,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,479,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                201,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                191,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | — | — | 
                                                2,033,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                34,629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||
| Interest expenses | — | — | 
                                                31,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                8,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                10,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other | — | — | 
                                                1,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | — | — | 
                                                71,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                55,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                42,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | — | — | 
                                                2,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) before income taxes | — | — | 
                                                2,919,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,902,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                987,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,033,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | ||||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | 
                                                2,033,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                34,629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | — | — | 
                                                168,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                140,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                290,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                291,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | — | — | 
                                                654,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                18,506,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -9,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | ||||||||||||||||||||||||
| Income taxes | — | — | 
                                                822,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                158,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                280,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | — | 
                                                1,743,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,097,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,743,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,743,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,743,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                707,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                707,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                707,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                732,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                707,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) attributable to non-controlling interests | — | — | 
                                                1,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) attributable to owners of parent | 
                                                2,095,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,095,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,095,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                731,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                731,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                731,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | ||||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | 
                                                -9,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                241,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other comprehensive income | — | — | 
                                                -9,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                241,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit attributable to | ||||||||||||||||||||||||
| Comprehensive income | — | — | 
                                                2,087,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                974,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | 
                                                2,089,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                957,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | 
                                                -1,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — |