Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                548,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                548,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                545,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                554,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                551,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                554,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | 
                                                221,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                190,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Operating expenses | ||||||||||
| Selling, general and administrative expenses | — | 
                                                315,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                345,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Operating expenses | ||||||||||
| Ordinary expenses | — | — | — | — | — | — | — | — | — | — | 
| Other operating expenses | — | — | — | — | — | — | — | — | — | — | 
| Share of loss of entities accounted for using equity method | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                96,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Ordinary profit (loss) | — | 
                                                25,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -67,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Gross profit (loss) | — | 
                                                326,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                364,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Operating profit (loss) | 
                                                10,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||||||||||
| Non-operating income | ||||||||||
| Interest income | — | 
                                                13,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other | — | 
                                                3,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Non-operating income | — | 
                                                16,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cost of sales | ||||||||||
| Selling, general and administrative expenses | ||||||||||
| Non-operating expenses | ||||||||||
| Interest expenses | — | 
                                                828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other | — | 
                                                184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Non-operating expenses | — | 
                                                1,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                97,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Extraordinary losses | — | 
                                                769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Impairment losses | — | 
                                                602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit (loss) before income taxes | — | 
                                                25,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -69,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Gross profit | ||||||||||
| Income taxes - current | — | 
                                                4,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Extraordinary losses | ||||||||||
| Income taxes | — | 
                                                4,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit (loss) | — | 
                                                20,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -76,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit (loss) attributable to owners of parent | — | 
                                                20,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -76,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit attributable to | ||||||||||
| Comprehensive income | — | 
                                                20,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -76,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to | ||||||||||
| Comprehensive income attributable to owners of parent | — | 
                                                20,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -76,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — |