Notes - Segment Information, Etc.
| Concept | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 
|---|---|---|---|---|---|
| Notes - Segment information, etc. | |||||
| Segment information | |||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | |||||
| Sales | |||||
| Revenues from external customers | 
                                                1,601,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                312,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,601,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,288,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                33,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -33,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | |||||
| Depreciation | 
                                                27,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                160,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,270,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                23,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |