Quarterly Consolidated Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Quarterly consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                14,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                8,605,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,837,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                803,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,637,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                27,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                6,126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                3,987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,730,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                250,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Other, net | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Intangible assets | 
                                                556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                9,293,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,799,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Deferred tax assets | 
                                                333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                319,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                4,392,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,883,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -79,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -83,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                15,977,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                43,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,021,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                1,471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Short-term borrowings | 
                                                1,763,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,742,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                8,941,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,883,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retirement benefit liability | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                580,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                576,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                366,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                1,603,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                10,544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,997,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                5,912,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,901,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                6,829,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,829,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                16,416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,718,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,104,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                29,146,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,343,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                1,004,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                455,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                2,474,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                506,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                3,478,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                962,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                180,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                33,299,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,023,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                43,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,021,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |