Notes - Segment Information, Etc.
| Concept | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2024-03-01 to 2025-02-28 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 2023-03-01 to 2024-02-29 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                172,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,720,979,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,794,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,901,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,794,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,209,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                147,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,209,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,696,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,366,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                1,660,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,662,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,662,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,416,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,417,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,417,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||
| Depreciation | 
                                                6,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,661,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,955,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                213,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,881,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,874,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,759,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                196,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,556,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                3,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,923,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,513,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                393,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,320,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                193,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,970,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,821,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                149,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                410,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,407,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |