Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                                
                                    
                                        As at 2025-06-23  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||||||
| Information about directors (and corporate auditors) (Proposal) | |||||||||||||
| Official title or position | 
                                        
                                             
                                                取締役執行役員建築事業部事業部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                常勤監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                常務取締役執行役員管理本部本部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役執行役員生産事業部事業部長
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役社長執行役員
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                監査役
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                小野寺 一也
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                山下 智之
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                相間 靖三
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                中野 強
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                内村 涼子
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                岡 秀幸
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                武田 英彦
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                村中 俊哉
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                大橋 健一
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                吉井 智彦
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                横井 悟
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                赤堀 栄一
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1961-07-14
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1963-03-18
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1956-08-19
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1963-12-22
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1979-08-12
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1970-02-17
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1959-12-07
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1960-03-15
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1951-07-27
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1956-07-06
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1951-10-06
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1955-10-12
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | ||||||||||||
| Term of office | 
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                6,954
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                8,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2,506
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                3,954
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                672,132
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                104,544
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                457,831
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                83,743
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                4,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |