Quarter Period Consolidated Statement Of Income
| Concept | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||||||
| Statement of income | ||||||||||||||
| Net sales | 
                                                439,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                430,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                439,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                348,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                435,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                432,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                435,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,308,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                335,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,505,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                257,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                241,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Gross profit (loss) | 
                                                181,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                181,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                157,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                163,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||||||||||||||
| Remuneration for directors (and other officers) | 
                                                23,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                23,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Depreciation | 
                                                1,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                2,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Selling, general and administrative expenses | 
                                                161,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                161,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Operating profit (loss) | 
                                                20,085,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                33,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating income | ||||||||||||||
| Interest income | 
                                                281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating income | 
                                                2,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||
| Interest expenses | 
                                                146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Non-operating expenses | 
                                                474,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Ordinary profit (loss) | 
                                                21,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                34,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit (loss) before income taxes | 
                                                21,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                34,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Income taxes - current | 
                                                4,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                6,705,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Income taxes - deferred | 
                                                1,153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Income taxes | 
                                                5,711,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                7,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
| Profit (loss) | 
                                                16,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                26,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — |