| 未払金 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 未払金 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 未払金 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ivt/role/label | http://www.xbrl.org/2003/role/link |
| 未払金 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/fnd/role/label | http://www.xbrl.org/2003/role/link |
| 未払金計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/ivt/role/totalLabel | http://www.xbrl.org/2003/role/link |
| 未払金計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/fnd/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Accounts payable - other | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Accounts payable-other | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Accounts payable | en | http://disclosure.edinet-fsa.go.jp/jppfs/ivt/role/label | http://www.xbrl.org/2003/role/link |
| Accounts payable | en | http://disclosure.edinet-fsa.go.jp/jppfs/fnd/role/label | http://www.xbrl.org/2003/role/link |
| Total accounts payable | en | http://disclosure.edinet-fsa.go.jp/jppfs/ivt/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total accounts payable | en | http://disclosure.edinet-fsa.go.jp/jppfs/fnd/role/totalLabel | http://www.xbrl.org/2003/role/link |