| Government grant income | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Government grant income (IFRS) | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Government grant income | en | http://disclosure.edinet-fsa.go.jp/jpcrp/std/alt/role/label | http://www.xbrl.org/2003/role/link |
| 補助金収入 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 補助金収入(IFRS) | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 政府補助金収入 | ja | http://disclosure.edinet-fsa.go.jp/jpcrp/std/alt/role/label | http://www.xbrl.org/2003/role/link |