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 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                987,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                987,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                874,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,088,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,235,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,235,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -76,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -99,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||
| Depreciation | 
                                                90,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,498,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                125,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,413,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                48,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                113,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |