Quarterly Consolidated Balance Sheet
| Concept | As at 2024-11-30 | As at 2024-05-31 | 
|---|---|---|
| Quarterly consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                1,328,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,050,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                774,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                428,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                91,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                478,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                404,774,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                96,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,386,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,901,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,480,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                1,096,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,060,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                260,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                260,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                204,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                55,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,561,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                450,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,971,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                286,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                74,055,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                94,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                90,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                1,603,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,578,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                5,504,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,059,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                40,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                73,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                250,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                454,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,620,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,592,921,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                1,442,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,099,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                53,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                3,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                1,561,016,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,195,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                3,181,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,788,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                143,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                143,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                677,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                670,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                1,426,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,392,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -28,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                2,218,858,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,170,354,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                103,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                103,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,866,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                2,322,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,271,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                5,504,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,059,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |