Quarterly Balance Sheet
| Concept | As at 2024-12-31 | As at 2024-06-30 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                1,423,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,180,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                549,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                472,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                424,245,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                510,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                285,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                341,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                276,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                331,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                4,309,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,424,368,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                3,327,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,588,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Other | — | — | 
| Other, net | 
                                                1,297,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,346,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                369,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                369,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Investments and other assets | 
                                                122,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                127,236,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                3,819,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,085,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                8,129,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,509,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                62,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                269,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                14,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,879,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                339,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                380,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,633,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,074,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                2,066,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,533,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                80,557,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                2,254,985,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,746,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                3,888,518,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,821,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                785,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                781,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                3,027,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,023,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -223,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                179,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                3,589,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,984,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation and translation adjustments | 
                                                650,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                703,455,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                4,240,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,688,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                8,129,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,509,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |