Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                                
                                    
                                        As at 2025-06-26  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | ||||||||||||||
| Information about directors (and corporate auditors) (Proposal) | ||||||||||||||
| Official title or position | 
                                        
                                             
                                                代表取締役社長社長執行役員
                                                
                                             
                                        
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                                    — | 
                                        
                                             
                                                取締役
                                                
                                             
                                        
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                                                取締役執行役員SX推進本部長
                                                
                                             
                                        
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                                                取締役
                                                
                                             
                                        
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                                                常任監査役(常勤)
                                                
                                             
                                        
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                                                代表取締役副社長副社長執行役員社長補佐白板・包装用紙営業本部管掌
                                                
                                             
                                        
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                                                代表取締役副社長副社長執行役員社長補佐技術本部長バイオマスマテリアル事業推進本部管掌
                                                
                                             
                                        
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                                                監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役会長
                                                
                                             
                                        
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                                                監査役(常勤)
                                                
                                             
                                        
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                                                監査役
                                                
                                             
                                        
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                                                取締役
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                瀬 邊  明
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                救 仁 郷  豊
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                渡 邊 惠 子
                                                
                                             
                                        
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                                                安 永 敦 美
                                                
                                             
                                        
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                                                板 倉 智 康
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                村 上 泰 人
                                                
                                             
                                        
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                                                杉 野 光 広
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                奥 田 隆 文
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                八 田 陽 子
                                                
                                             
                                        
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                                                野 沢  徹
                                                
                                             
                                        
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                                                西 本 智 美
                                                
                                             
                                        
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                                                青 野 奈々子
                                                
                                             
                                        
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                                                藤 岡  誠
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1965-12-12
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1954-11-17
                                                
                                             
                                        
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                                                1966-11-10
                                                
                                             
                                        
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                                                1960-01-18
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1964-04-08
                                                
                                             
                                        
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                                                1962-07-02
                                                
                                             
                                        
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                                                1963-07-30
                                                
                                             
                                        
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                                                1951-06-19
                                                
                                             
                                        
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                                                1952-06-08
                                                
                                             
                                        
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                                                1959-03-10
                                                
                                             
                                        
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                                                1962-02-06
                                                
                                             
                                        
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                                                1962-01-15
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1950-03-27
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | |||||||||||||
| Term of office | 
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)5
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)6(注)7
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)5
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                13,489
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                135,301
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                4,057
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                16,568
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                13,105
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                13,847
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                14,443
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                40,667
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                18,125
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |