Quarterly Consolidated Balance Sheet
| Concept | As at 2023-08-31 | As at 2023-05-31 | 
|---|---|---|
| Quarterly consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                2,162,494,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,879,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                53,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                2,995,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,663,816,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                21,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Intangible assets | 
                                                6,144,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,015,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                47,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                75,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                3,071,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,730,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Notes and accounts payable - trade | 
                                                138,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,347,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                32,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | 
                                                4,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                57,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                109,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                537,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                673,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                515,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                534,185,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                1,053,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,207,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                281,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                881,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                630,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                855,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                862,089,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                2,018,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,522,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                2,018,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,522,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                3,071,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,730,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |