Consolidated Statement Of Income
| Concept | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||
| Statement of income | ||||||||||||||
| Net sales | — | — | — | 
                                                9,330,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,090,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,542,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,558,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | — | — | — | 
                                                7,692,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,282,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                6,665,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,361,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||
| Operating expenses - general | ||||||||||||||
| Depreciation | — | — | — | 
                                                5,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                6,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Operating expenses | ||||||||||||||
| Selling, general and administrative expenses | — | — | — | 
                                                850,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,075,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                739,191,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                972,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | 
                                                393,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                348,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||
| Ordinary profit (loss) | — | — | — | 
                                                769,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                727,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                201,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                297,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | — | 
                                                1,637,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,808,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                876,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,196,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating profit (loss) | — | — | — | 
                                                786,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                732,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                137,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||
| General and administrative expenses | ||||||||||||||
| Net sales | ||||||||||||||
| Cost of sales | ||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||
| Salaries | — | — | — | 
                                                343,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                443,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                329,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                418,698,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||||||||
| Interest income | — | — | — | — | 
                                                7,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | 
                                                7,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                15,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | — | 
                                                22,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                114,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | — | — | — | 
                                                6,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                169,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Impairment losses | — | — | — | 
                                                6,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                166,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||||||
| Interest expenses | — | — | — | 
                                                18,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                21,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | 
                                                2,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | — | 
                                                39,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                50,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | — | 
                                                763,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                721,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                31,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit | ||||||||||||||
| Income taxes - current | — | — | — | 
                                                14,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                13,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | ||||||||||||||
| Income taxes - deferred | — | — | — | 
                                                -140,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -140,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -108,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -108,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | — | 
                                                -125,948,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -125,948,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -95,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -94,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | 
                                                889,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                889,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                847,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                889,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                889,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                126,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                222,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                126,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) attributable to owners of parent | — | 
                                                847,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                847,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                847,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                222,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                222,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                222,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit attributable to | ||||||||||||||
| Other comprehensive income | ||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | 
                                                4,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                4,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Foreign currency translation adjustment | — | — | — | — | 
                                                123,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                237,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | — | — | — | 
                                                127,534,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                241,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income | — | — | — | — | 
                                                974,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                464,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | 
                                                974,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                464,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |