Consolidated Statement Of Income
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||
| Net sales | 
                                                15,085,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                25,839,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,823,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,016,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                40,924,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,908,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,944,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,176,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                32,280,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,768,524,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,663,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,032,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | — | — | — | — | — | 
                                                11,936,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,335,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                21,987,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,044,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | — | — | — | 
                                                123,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                123,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                108,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | — | 
                                                3,056,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,542,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                6,089,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,909,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | — | — | — | — | 
                                                1,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Ordinary profit (loss) | — | — | — | — | — | 
                                                2,249,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,492,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,446,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,542,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit (loss) | — | — | — | — | — | 
                                                4,887,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,680,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                10,293,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,987,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| General and administrative expenses | ||||||||||||||||||||||
| Salaries | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net sales | ||||||||||||||||||||||
| Operating profit (loss) | 
                                                1,405,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,736,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,831,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,138,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,141,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,206,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,946,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,203,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,259,901,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,078,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | ||||||||||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||||||||||
| Amortization of goodwill | 
                                                1,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | ||||||||||||||||||||||
| Interest income | — | — | — | — | — | 
                                                9,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                156,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                132,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                14,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividend income | — | — | — | — | — | 
                                                312,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                351,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | — | 
                                                18,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                34,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                20,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | — | — | — | 
                                                425,903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                378,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                271,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                472,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                7,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                7,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||||||||||||||
| Interest expenses | — | — | — | — | — | — | 
                                                9,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Other | — | — | — | — | — | 
                                                238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | — | — | — | 
                                                7,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                28,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Share issuance costs | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                14,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Gross profit | ||||||||||||||||||||||
| Profit (loss) before income taxes | — | — | — | — | — | 
                                                2,249,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,492,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,454,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,549,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | — | — | — | — | 
                                                655,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,252,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,232,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                683,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | ||||||||||||||||||||||
| Gain on sale of investment securities | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                7,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                7,080,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | — | — | — | — | 
                                                -39,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                112,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                46,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | — | — | — | 
                                                616,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,269,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,345,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                730,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | — | — | 
                                                1,632,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,632,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,632,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,222,841,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,632,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,108,925,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,819,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,819,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,819,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,819,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | 
                                                67,875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                67,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | 
                                                3,154,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,154,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,154,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,041,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,041,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,041,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit attributable to | ||||||||||||||||||||||
| Other comprehensive income | ||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | 
                                                2,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Foreign currency translation adjustment | — | — | — | — | — | — | 
                                                444,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                734,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | — | 
                                                2,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                9,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Other comprehensive income | — | — | — | — | — | — | 
                                                448,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                744,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Comprehensive income | — | — | — | — | — | — | 
                                                3,671,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                3,853,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | 
                                                3,577,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                3,738,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | 
                                                94,424,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                115,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — |