diff --git a/application/locale/ja/LC_MESSAGES/messages.po b/application/locale/ja/LC_MESSAGES/messages.po
index f7ed4febe..d3dddd6d5 100644
--- a/application/locale/ja/LC_MESSAGES/messages.po
+++ b/application/locale/ja/LC_MESSAGES/messages.po
@@ -9,10 +9,10 @@ msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: translations@wavelog.org\n"
 "POT-Creation-Date: 2025-10-07 06:42+0000\n"
-"PO-Revision-Date: 2025-10-08 00:36+0000\n"
+"PO-Revision-Date: 2025-10-09 16:21+0000\n"
 "Last-Translator: \"S.NAKAO(JG3HLX)\" <hlx.nakao@gmail.com>\n"
-"Language-Team: Japanese <https://translate.wavelog.org/projects/wavelog/main-"
-"translation/ja/>\n"
+"Language-Team: Japanese <https://translate.wavelog.org/projects/wavelog/"
+"main-translation/ja/>\n"
 "Language: ja\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -16547,7 +16547,7 @@ msgstr "受信"
 
 #: application/views/adif/import.php:126
 msgid "Select if QSOs shall be imported, even if they already exist."
-msgstr ""
+msgstr "QSO がすでに存在する場合でもインポートするかどうかを選択します。"
 
 #~ msgid "Club Log Email/Callsign"
 #~ msgstr "Club Logのメールアドレス/コールサイン"