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 | 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 of completed construction contracts | — | — | — | — | 
                                                15,266,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                13,541,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                13,520,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,617,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net sales | 
                                                7,646,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,309,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,173,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                26,073,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                27,129,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,547,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,056,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,058,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,196,899,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,130,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -988,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,731,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,638,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,070,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net sales of goods | — | — | — | — | 
                                                10,806,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                10,006,423,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                10,117,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,452,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating revenue | ||||||||||||||||||||
| Cost of sales | ||||||||||||||||||||
| Cost of sales of completed construction contracts | — | — | — | — | 
                                                11,425,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                10,083,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                9,894,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,618,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cost of sales | — | — | — | — | 
                                                19,064,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,149,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                17,236,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,199,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cost of goods sold | — | — | — | — | 
                                                7,639,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                7,065,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,342,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,580,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cost of goods sold | ||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||
| Research and development expenses | — | — | — | — | 
                                                132,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                141,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | — | — | 
                                                190,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                188,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                179,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Provision of allowance for doubtful accounts | — | — | — | — | 
                                                -863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | — | — | 
                                                1,349,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                985,222,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                808,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,150,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | 
                                                5,649,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,313,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                4,965,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,249,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Taxes and dues | — | — | — | — | — | — | — | — | 
                                                103,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                106,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | — | — | — | — | — | — | 
                                                185,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                203,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Welfare expenses | — | — | — | — | 
                                                587,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                539,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                505,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                547,573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||||||||||||
| Interest income | 
                                                1,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | 
                                                395,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                359,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                705,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,459,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,459,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,215,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,720,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                490,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                509,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                721,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,570,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,720,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit (loss) | — | — | — | — | 
                                                7,008,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,398,263,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                6,401,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,870,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit | ||||||||||||||||||||
| Gross profit (loss) on completed construction contracts | — | — | — | — | 
                                                3,841,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,457,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                3,626,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,999,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| General and administrative expenses | ||||||||||||||||||||
| Salaries | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Operating profit (loss) | — | — | — | — | 
                                                1,358,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,084,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,435,338,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,621,774,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | ||||||||||||||||||||
| Non-operating income | — | — | — | — | 
                                                142,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                182,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                158,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                122,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial revenue | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Dividend income | — | — | — | — | 
                                                64,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                64,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                58,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest on securities | — | — | — | — | — | — | — | — | 
                                                3,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                2,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | 
                                                29,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                69,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                59,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | — | — | — | — | 
                                                24,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                24,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||
| Sales commission | — | — | — | — | 
                                                5,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                11,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Advertising expenses | — | — | — | — | — | — | — | — | 
                                                30,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                16,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||||||||||||
| Interest expenses | 
                                                4,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||||||||||||
| Non-operating expenses | — | — | — | — | 
                                                41,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                50,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                22,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Financial expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||
| Other | — | — | — | — | 
                                                3,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | — | — | — | — | 
                                                730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                10,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Impairment losses | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) before income taxes | — | — | — | — | 
                                                1,483,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,239,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,559,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,710,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | 
                                                430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gain on sale of investment securities | — | — | — | — | 
                                                24,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                24,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | — | — | — | 
                                                477,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                390,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                503,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                559,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary losses | ||||||||||||||||||||
| Loss on sale of non-current assets | — | — | — | — | 
                                                239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loss on retirement of non-current assets | — | — | — | — | 
                                                490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - deferred | — | — | — | — | 
                                                8,770,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -26,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| General and administrative expenses | ||||||||||||||||||||
| Income taxes | — | — | — | — | 
                                                486,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                396,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                477,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                533,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | — | — | — | 
                                                843,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                997,440,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                843,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                843,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                843,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,082,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,082,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,082,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,177,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,082,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |