Quarterly Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Quarterly balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                4,782,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,641,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                4,166,720,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,279,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                2,968,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,816,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,264,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,505,280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -3,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                25,557,707,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,996,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                9,526,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,042,302,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                4,606,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,553,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                1,710,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,670,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                483,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Investments and other assets | 
                                                10,515,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,471,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                9,046,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,146,677,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                88,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                385,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                322,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -3,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,585,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                20,526,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,629,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                46,084,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,626,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                9,883,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,272,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                3,604,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,320,709,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                217,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                193,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,929,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,175,707,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                16,194,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,137,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                2,549,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,495,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                481,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                84,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                6,493,651,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,790,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                22,687,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,928,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,481,159,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,033,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,033,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                16,740,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,250,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -19,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                19,237,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,746,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                1,535,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,675,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                2,277,499,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,752,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                23,396,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,698,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                46,084,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,626,457,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |