Consolidated Statement Of Income
| Concept | 2024-01-01 to 2024-03-31 | 2023-01-01 to 2023-03-31 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                880,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                786,292,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                419,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                380,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Cost of sales | 
                                                455,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                382,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                5,928,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Gross profit (loss) | 
                                                425,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                404,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | 
                                                32,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Cost of sales | ||
| Non-operating income | ||
| Interest income | 
                                                83,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                27,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                62,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                474,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||
| Other | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | 
                                                33,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Income taxes - current | 
                                                4,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Gain on sale of non-current assets | 
                                                62,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gain on sale of investment securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Income taxes - deferred | 
                                                9,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                14,167,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                18,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                18,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                3,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -84,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                -421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                3,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -71,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Comprehensive income | 
                                                22,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -37,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                22,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -37,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |