i18n: update mailbox context menu across 12 locales

locales/ja/common.json

@@ -1670,41 +1670,41 @@
     "edit_draft": "下書きを編集"
   },
   "mailbox_context_menu": {
-    "mark_folder_read": "Mark folder as read",
-    "mark_folder_tree_read": "Mark folder & subfolders as read",
-    "mark_all_folders_read": "Mark all folders as read",
-    "new_subfolder": "New subfolder...",
-    "new_folder": "New folder...",
-    "rename": "Rename...",
-    "empty_folder": "Empty folder",
-    "empty_folder_generic": "Empty folder",
-    "delete_folder": "Delete folder",
-    "refresh": "Refresh",
-    "mark_all_confirm_title": "Mark all folders as read",
-    "mark_all_confirm_message": "Mark every unread message in your personal account as read?",
-    "delete_confirm_title": "Delete folder",
-    "delete_confirm_message": "Permanently delete the folder \"{name}\"? This action cannot be undone.",
-    "prompt_new_subfolder": "Enter a name for the new subfolder.",
-    "prompt_new_folder": "Enter a name for the new folder.",
-    "prompt_rename": "Enter a new name for this folder.",
-    "toast_marked_read": "Folder marked as read",
-    "toast_marked_read_count": "Marked {count, plural, one {1 message} other {# messages}} as read",
-    "toast_already_read": "No unread messages",
-    "toast_marked_all_read": "All folders marked as read",
-    "toast_emptied": "Folder emptied",
-    "toast_folder_created": "Folder created",
-    "toast_folder_renamed": "Folder renamed",
-    "toast_folder_deleted": "Folder deleted",
-    "toast_error_mark_read": "Failed to mark as read",
-    "toast_error_empty": "Failed to empty folder",
-    "toast_error_create": "Failed to create folder",
-    "toast_error_rename": "Failed to rename folder",
-    "toast_error_delete": "Failed to delete folder",
-    "toast_error_delete_has_children": "Folder has subfolders. Remove them first.",
-    "toast_error_delete_has_email": "Folder is not empty. Empty it first.",
-    "placeholder_folder_name": "Folder name",
-    "create": "Create",
-    "rename_confirm": "Rename"
+    "mark_folder_read": "フォルダーを既読にする",
+    "mark_folder_tree_read": "フォルダーとサブフォルダーを既読にする",
+    "mark_all_folders_read": "すべてのフォルダーを既読にする",
+    "new_subfolder": "新しいサブフォルダー...",
+    "new_folder": "新しいフォルダー...",
+    "rename": "名前を変更...",
+    "empty_folder": "フォルダーを空にする",
+    "empty_folder_generic": "フォルダーを空にする",
+    "delete_folder": "フォルダーを削除",
+    "refresh": "更新",
+    "mark_all_confirm_title": "すべてのフォルダーを既読にする",
+    "mark_all_confirm_message": "個人アカウントのすべての未読メッセージを既読にしますか？",
+    "delete_confirm_title": "フォルダーを削除",
+    "delete_confirm_message": "フォルダー \"{name}\" を完全に削除しますか？この操作は元に戻せません。",
+    "prompt_new_subfolder": "新しいサブフォルダーの名前を入力してください。",
+    "prompt_new_folder": "新しいフォルダーの名前を入力してください。",
+    "prompt_rename": "このフォルダーの新しい名前を入力してください。",
+    "toast_marked_read": "フォルダーを既読にしました",
+    "toast_marked_read_count": "{count, plural, one {1件のメッセージ} other {#件のメッセージ}}を既読にしました",
+    "toast_already_read": "未読メッセージはありません",
+    "toast_marked_all_read": "すべてのフォルダーを既読にしました",
+    "toast_emptied": "フォルダーを空にしました",
+    "toast_folder_created": "フォルダーを作成しました",
+    "toast_folder_renamed": "フォルダー名を変更しました",
+    "toast_folder_deleted": "フォルダーを削除しました",
+    "toast_error_mark_read": "既読にできませんでした",
+    "toast_error_empty": "フォルダーを空にできませんでした",
+    "toast_error_create": "フォルダーを作成できませんでした",
+    "toast_error_rename": "フォルダー名を変更できませんでした",
+    "toast_error_delete": "フォルダーを削除できませんでした",
+    "toast_error_delete_has_children": "フォルダーにサブフォルダーがあります。先に削除してください。",
+    "toast_error_delete_has_email": "フォルダーが空ではありません。先に空にしてください。",
+    "placeholder_folder_name": "フォルダー名",
+    "create": "作成",
+    "rename_confirm": "名前を変更"
   },
   "shortcuts": {
     "title": "キーボードショートカット",