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 | 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 of completed construction contracts | 
                                                456,969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                268,883,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                505,981,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                243,866,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating revenue | ||||||||||
| Cost of sales | ||||||||||
| Cost of sales of completed construction contracts | 
                                                414,650,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                251,830,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                506,138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                228,577,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Operating expenses - general | ||||||||||
| Depreciation | — | 
                                                589,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Selling, general and administrative expenses | 
                                                17,897,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,443,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                14,849,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Research and development expenses | 
                                                3,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,411,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,422,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||
| Interest income | 
                                                10,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,765,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,576,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating profit (loss) | 
                                                24,421,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -15,006,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,680,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| General and administrative expenses | ||||||||||
| Gross profit | ||||||||||
| Gross profit (loss) on completed construction contracts | 
                                                42,319,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,052,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -157,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | 
                                                32,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,015,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -5,461,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,862,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | 
                                                207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                45,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,672,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | ||||||||||
| Miscellaneous expenses | 
                                                1,805,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,852,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Non-operating expenses | ||||||||||
| Interest expenses | 
                                                737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                652,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                696,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                535,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||
| Non-operating income | 
                                                11,517,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                12,537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,018,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial revenue | — | — | — | — | — | — | — | — | — | — | 
| Dividend income | 
                                                248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,435,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,001,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,809,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | 
                                                307,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Extraordinary losses | 
                                                17,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,819,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                743,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,071,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | 
                                                3,742,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,835,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial expenses | — | — | — | — | — | — | — | — | — | — | 
| Non-operating expenses | ||||||||||
| Other | 
                                                243,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                164,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                88,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | 
                                                32,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -6,159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -25,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||
| Income taxes - current | 
                                                4,720,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -772,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||
| General and administrative expenses | ||||||||||
| Income taxes - deferred | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                51,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes | 
                                                4,760,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -772,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,539,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | 
                                                27,625,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,886,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,698,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |