Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-09-30 | As at 2024-03-31 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                184,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                18,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                353,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                436,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Intangible assets | ||
| Intangible assets | 
                                                41,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                30,953,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Other | 
                                                69,821,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -38,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -38,999,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                72,071,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                79,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                426,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                515,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                9,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                83,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                108,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                187,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Other | 
                                                13,858,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                170,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                156,241,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                278,347,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                343,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                22,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                394,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                394,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -309,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -285,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -64,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -64,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                106,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                131,139,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                1,211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                39,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                147,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                171,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                426,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                515,453,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |