Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-05-31 | As at 2024-02-29 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                1,847,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,792,207,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                260,013,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                247,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -2,760,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,002,018,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,807,034,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                809,387,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                767,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                647,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                622,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                161,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                144,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other | 
                                                6,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                6,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                1,106,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,136,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                124,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                135,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                278,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                298,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                164,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -46,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -46,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                1,922,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,907,995,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                4,924,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,715,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                1,081,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                331,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                312,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,867,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,725,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                1,633,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,689,214,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                823,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                815,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                53,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                2,510,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,572,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                4,378,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,297,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                375,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                375,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                121,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                546,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                417,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                546,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                417,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                4,924,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,715,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |