| 預り金 | ja | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| 預り金 | ja | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| 預り金計 | ja | http://disclosure.edinet-fsa.go.jp/jppfs/edu/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Deposits received | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Deposits received | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Total deposits received | en | http://disclosure.edinet-fsa.go.jp/jppfs/edu/role/totalLabel | http://www.xbrl.org/2003/role/link |