Consolidated Statement Of Income
| Concept | 2024-01-01 to 2024-06-30 | 2023-01-01 to 2023-06-30 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                200,996,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                160,659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                149,331,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                16,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Other operating expenses | ||
| Provision for retirement benefits for directors (and other officers) | 
                                                97,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Operating profit (loss) | 
                                                23,748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,011,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Gross profit (loss) | 
                                                40,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                24,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||
| Interest income | 
                                                67,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                326,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                1,042,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                790,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Advertising expenses | 
                                                4,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,795,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||
| Non-operating expenses | ||
| Interest expenses | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                109,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                512,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                820,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | 
                                                882,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Impairment losses | 
                                                427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                23,552,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,687,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Extraordinary income | ||
| Gain on sale of non-current assets | 
                                                156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Loss on sale of non-current assets | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Loss on retirement of non-current assets | 
                                                454,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                8,658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                14,893,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                14,893,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Other comprehensive income | ||
| Remeasurements of defined benefit plans, net of tax | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                14,881,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,357,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                14,881,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,357,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |