4 files changed, 22 insertions, 18 deletions
diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index d38381b778..bd6257cb70 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -82,8 +82,8 @@
 /ja/docs/API/Document/location	/ja/docs/Web/API/Document/location
 /ja/docs/API/Document/onafterscriptexecute	/ja/docs/Web/API/Document/onafterscriptexecute
 /ja/docs/API/Document/onbeforescriptexecute	/ja/docs/Web/API/Document/onbeforescriptexecute
-/ja/docs/API/Document/onfullscreenchange	/ja/docs/Web/API/Document/onfullscreenchange
-/ja/docs/API/Document/onfullscreenerror	/ja/docs/Web/API/Document/onfullscreenerror
+/ja/docs/API/Document/onfullscreenchange	/ja/docs/conflicting/Web/API/Document/fullscreenchange_event
+/ja/docs/API/Document/onfullscreenerror	/ja/docs/conflicting/Web/API/Document/fullscreenerror_event
 /ja/docs/API/Document/onselectionchange	/ja/docs/Web/API/GlobalEventHandlers/onselectionchange
 /ja/docs/API/Document/open	/ja/docs/Web/API/Document/open
 /ja/docs/API/Document/origin	/ja/docs/Web/API/Document/origin
@@ -3061,6 +3061,8 @@
 /ja/docs/Web/API/Document/defaultView/storage_event	/ja/docs/Web/API/Window/storage_event
 /ja/docs/Web/API/Document/domConfig	/ja/docs/Web/API/Document
 /ja/docs/Web/API/Document/inputEncoding	/ja/docs/Web/API/Document/characterSet
+/ja/docs/Web/API/Document/onfullscreenchange	/ja/docs/conflicting/Web/API/Document/fullscreenchange_event
+/ja/docs/Web/API/Document/onfullscreenerror	/ja/docs/conflicting/Web/API/Document/fullscreenerror_event
 /ja/docs/Web/API/Document/onselectionchange	/ja/docs/Web/API/GlobalEventHandlers/onselectionchange
 /ja/docs/Web/API/DocumentOrShadowRoot/activeElement	/ja/docs/Web/API/Document/activeElement
 /ja/docs/Web/API/DocumentOrShadowRoot/caretPositionFromPoint	/ja/docs/Web/API/Document/caretPositionFromPoint
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index 5898cc2194..f8b4b6cbc4 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -12976,20 +12976,6 @@
       "ethertank"
     ]
   },
-  "Web/API/Document/onfullscreenchange": {
-    "modified": "2020-10-15T21:46:54.771Z",
-    "contributors": [
-      "mfuji09",
-      "yyss"
-    ]
-  },
-  "Web/API/Document/onfullscreenerror": {
-    "modified": "2020-10-15T21:46:52.945Z",
-    "contributors": [
-      "mfuji09",
-      "yyss"
-    ]
-  },
   "Web/API/Document/onoffline": {
     "modified": "2019-03-22T11:03:20.072Z",
     "contributors": [
@@ -48416,6 +48402,20 @@
       "mfuji09"
     ]
   },
+  "conflicting/Web/API/Document/fullscreenchange_event": {
+    "modified": "2020-10-15T21:46:54.771Z",
+    "contributors": [
+      "mfuji09",
+      "yyss"
+    ]
+  },
+  "conflicting/Web/API/Document/fullscreenerror_event": {
+    "modified": "2020-10-15T21:46:52.945Z",
+    "contributors": [
+      "mfuji09",
+      "yyss"
+    ]
+  },
   "conflicting/Web/API/File/name": {
     "modified": "2020-09-25T16:45:23.436Z",
     "contributors": [
diff --git a/files/ja/web/api/document/onfullscreenchange/index.html b/files/ja/conflicting/web/api/document/fullscreenchange_event/index.html
index 36d6f6f7a5..4c841161a0 100644
--- a/files/ja/web/api/document/onfullscreenchange/index.html
+++ b/files/ja/conflicting/web/api/document/fullscreenchange_event/index.html
@@ -1,6 +1,6 @@
 ---
 title: Document.onfullscreenchange
-slug: Web/API/Document/onfullscreenchange
+slug: conflicting/Web/API/Document/fullscreenchange_event
 tags:
   - API
   - Document
@@ -12,6 +12,7 @@ tags:
   - プロパティ
   - 全画面 API
 translation_of: Web/API/Document/onfullscreenchange
+original_slug: Web/API/Document/onfullscreenchange
 ---
 <div>{{APIRef("Fullscreen API")}}</div>
 
diff --git a/files/ja/web/api/document/onfullscreenerror/index.html b/files/ja/conflicting/web/api/document/fullscreenerror_event/index.html
index d1b1153606..7bb78e498c 100644
--- a/files/ja/web/api/document/onfullscreenerror/index.html
+++ b/files/ja/conflicting/web/api/document/fullscreenerror_event/index.html
@@ -1,6 +1,6 @@
 ---
 title: Document.onfullscreenerror
-slug: Web/API/Document/onfullscreenerror
+slug: conflicting/Web/API/Document/fullscreenerror_event
 tags:
   - API
   - Document
@@ -13,6 +13,7 @@ tags:
   - 全画面
   - 全画面 API
 translation_of: Web/API/Document/onfullscreenerror
+original_slug: Web/API/Document/onfullscreenerror
 ---
 <div>{{ApiRef("Fullscreen API")}}</div>