Consolidated Statement Of Income
| Concept | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||||||||||||
| Net sales | — | 
                                                15,812,551,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,215,707,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,581,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -421,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                79,283,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,840,943,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                921,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                15,390,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,015,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,024,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,529,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,758,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,685,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,156,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,707,599,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -413,978,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,501,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,293,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | — | — | — | — | — | — | 
                                                2,990,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,204,310,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,780,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                8,258,766,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||||||||||||||
| Depreciation | — | — | — | — | — | — | — | — | — | 
                                                88,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                88,329,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | — | — | — | — | — | 
                                                5,390,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,681,961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,330,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,550,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision of allowance for doubtful accounts | — | — | — | — | — | — | — | — | — | 
                                                8,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                8,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||||||||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | — | — | — | — | — | — | — | 
                                                13,048,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                7,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||||||||||||||||||||
| Operating profit (loss) | — | 
                                                1,496,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,281,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -992,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                52,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                504,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                90,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                28,133,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                417,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                43,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,178,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                161,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,463,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -979,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                484,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| General and administrative expenses | ||||||||||||||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||||||||||||||
| Gross profit (loss) | — | — | — | — | — | — | — | — | — | 
                                                5,850,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,186,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,748,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,034,854,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||||||||||||||||||||||||||||||||||
| Ordinary profit (loss) | — | — | — | — | — | — | — | — | — | 
                                                567,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                603,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                489,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                549,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||||||||||||||||||||||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||||||||||||||||||||||
| Amortization of goodwill | — | 
                                                49,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                43,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,427,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,833,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest on securities | — | — | — | — | — | — | — | — | — | 
                                                7,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Other | — | — | — | — | — | — | — | — | — | 
                                                23,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                18,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                18,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                15,653,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | — | — | — | — | — | — | — | — | — | 
                                                139,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                130,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                118,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                111,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | — | — | — | — | — | — | — | — | — | 
                                                16,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | — | — | — | — | — | — | — | — | — | 
                                                2,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                16,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Impairment losses | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||||||||||||||||||||||||||||||||||
| Interest expenses | — | — | — | — | — | — | — | — | — | 
                                                14,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                15,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                15,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                15,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | — | — | — | — | 
                                                2,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,210,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | — | — | — | — | — | — | — | — | — | 
                                                31,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                31,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                46,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                46,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||||||||||||||||||||||||||||||||||
| Profit (loss) before income taxes | — | — | — | — | — | — | — | — | — | 
                                                582,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                618,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                474,522,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                535,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||||||||||||||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | — | — | — | — | — | 
                                                16,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,664,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | — | — | — | — | — | — | — | — | — | 
                                                210,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                242,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                182,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                227,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | — | — | — | — | — | — | — | — | — | 
                                                -4,209,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -4,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||||||||||||||||||||||||||||||||||
| Loss on retirement of non-current assets | — | — | — | — | — | — | — | — | — | 
                                                1,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | — | — | — | — | — | — | — | — | — | 
                                                206,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                241,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                187,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                222,138,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | — | — | — | — | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                377,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                375,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                287,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                287,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                287,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                287,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                312,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                377,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                377,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                377,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                312,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                312,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                312,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                52,058,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,793,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -8,309,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -7,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                43,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -2,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||||||||||||||||||||||||||||||||||
| Comprehensive income | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                421,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                310,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||||||||||||||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                421,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                310,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |