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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of income | ||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||
| Net sales | ||||||||||||||||||||||||
| Net sales | 
                                                93,084,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                65,303,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                155,958,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,387,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,426,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,468,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                143,089,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                86,214,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                104,440,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                140,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,874,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                143,133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales of completed construction contracts | — | — | — | — | — | — | — | — | — | 
                                                37,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                33,395,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Net sales of goods | — | — | — | — | — | — | — | — | — | 
                                                77,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                71,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating revenue | ||||||||||||||||||||||||
| Cost of sales | ||||||||||||||||||||||||
| Cost of sales of completed construction contracts | — | — | — | — | — | — | — | — | — | 
                                                24,235,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                23,290,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Cost of sales | — | — | — | — | 
                                                114,070,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                91,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                84,921,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                106,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cost of goods sold | — | — | — | — | — | — | — | — | — | 
                                                66,879,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                61,613,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Cost of goods sold | ||||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||||
| Depreciation | — | — | — | — | — | — | — | — | — | 
                                                1,137,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,139,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||||
| Welfare expenses | — | — | — | — | 
                                                2,786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,456,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Rent expenses on land and buildings | — | — | — | — | — | — | — | — | — | 
                                                388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                372,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | 
                                                27,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                13,995,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                12,694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                24,645,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Operating profit (loss) | — | — | — | — | 
                                                14,691,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                6,824,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,905,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Ordinary profit (loss) | — | — | — | — | 
                                                15,574,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,990,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,397,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,585,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| General and administrative expenses | ||||||||||||||||||||||||
| Gross profit | ||||||||||||||||||||||||
| Gross profit (loss) | 
                                                19,721,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                22,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                41,887,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,864,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,525,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,810,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,551,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||||
| Interest income | — | — | — | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||||
| Legal welfare expenses | — | — | — | — | — | — | — | — | — | 
                                                1,183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Amortization of goodwill | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                548,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||||
| Dividend income | — | — | — | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                335,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                283,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Non-operating income | — | — | — | — | 
                                                1,198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,115,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Financial revenue | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Purchase discounts | — | — | — | — | 
                                                422,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                406,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Miscellaneous income | — | — | — | — | 
                                                168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                85,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                54,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Extraordinary income | — | — | — | — | 
                                                304,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                720,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||
| Interest expenses | — | — | — | — | 
                                                77,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                74,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                99,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||
| Non-operating expenses | ||||||||||||||||||||||||
| Non-operating expenses | — | — | — | — | 
                                                314,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Financial expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Provision of allowance for doubtful accounts | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Miscellaneous losses | — | — | — | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                65,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Extraordinary losses | — | — | — | — | 
                                                7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                739,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Extraordinary income | ||||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                63,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Gain on sale of investment securities | — | — | — | — | 
                                                302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit (loss) before income taxes | — | — | — | — | 
                                                15,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,293,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,313,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Extraordinary losses | ||||||||||||||||||||||||
| Loss on sale of non-current assets | — | — | — | — | 
                                                7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                689,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes - current | — | — | — | — | 
                                                4,861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,395,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes - deferred | — | — | — | — | 
                                                -181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| General and administrative expenses | ||||||||||||||||||||||||
| Income taxes | — | — | — | — | 
                                                4,680,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,270,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit (loss) | — | — | — | 
                                                8,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,192,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                8,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,003,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |