Notes - Segment Information, Etc.
| Concept | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2023-12-21 to 2024-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 2022-12-21 to 2023-12-20 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                3,519,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,519,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                421,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,266,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                133,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                697,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,419,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,411,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                420,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                396,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,411,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||
| Depreciation | 
                                                140,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                109,167,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                97,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,901,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                150,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,806,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                153,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |