Consolidated Statement Of Income
| Concept | 2024-05-16 to 2025-02-28 | 2024-05-16 to 2025-02-28 | 2024-05-16 to 2025-02-28 | 2024-05-16 to 2025-02-28 | 2024-05-16 to 2025-02-28 | 2023-05-16 to 2024-05-15 | 2023-05-16 to 2024-05-15 | 2023-05-16 to 2024-05-15 | 2023-05-16 to 2024-05-15 | 2023-05-16 to 2024-05-15 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                17,388,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                21,360,275,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Cost of sales | 
                                                6,715,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                8,281,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||
| Operating expenses - general | ||||||||||
| Depreciation | 
                                                435,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                465,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||
| Selling, general and administrative expenses | 
                                                9,620,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,369,959,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||
| Operating profit (loss) | 
                                                1,052,302,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,709,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Ordinary profit (loss) | 
                                                1,070,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,735,641,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gross profit (loss) | 
                                                10,672,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                13,078,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||
| General and administrative expenses | ||||||||||
| Net sales | ||||||||||
| Cost of sales | ||||||||||
| Selling, general and administrative expenses | ||||||||||
| Non-operating income | ||||||||||
| Interest income | 
                                                3,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Other | 
                                                3,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating income | 
                                                20,343,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                28,076,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | 
                                                4,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | 
                                                212,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                197,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Impairment losses | 
                                                199,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                199,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                174,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                174,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                2,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Interest expenses | 
                                                1,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Non-operating expenses | ||||||||||
| Other | 
                                                151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                29,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Gross profit | ||||||||||
| Profit (loss) before income taxes | 
                                                862,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,541,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - current | 
                                                221,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                548,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary income | ||||||||||
| Gain on sale of non-current assets | 
                                                5,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | ||||||||||
| Loss on sale of non-current assets | 
                                                1,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Loss on retirement of non-current assets | 
                                                11,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                23,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes - deferred | 
                                                58,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -80,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Income taxes | 
                                                279,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                467,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Profit (loss) | 
                                                582,376,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                582,376,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                582,376,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                582,376,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,073,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,073,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,073,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,073,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |