diff --git a/application/locale/ja/LC_MESSAGES/messages.po b/application/locale/ja/LC_MESSAGES/messages.po
index 0306ffd22..b9aef6e3d 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: 2025-09-23 09:28+0000\n"
-"PO-Revision-Date: 2025-09-23 12:36+0000\n"
+"PO-Revision-Date: 2025-09-25 08:31+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"
@@ -16183,37 +16183,38 @@ msgstr "受信"
 
 #: application/controllers/Update.php:450
 msgid "HAMqsl Update complete. Result: "
-msgstr ""
+msgstr "HAMqsl 更新完了。結果： "
 
 #: application/controllers/Update.php:452
 msgid "HAMqsl Update failed. Result: "
-msgstr ""
+msgstr "HAMqsl 更新に失敗しました。結果： "
 
 #: application/views/dashboard/index.php:466
 msgid "Solar Data & Propagation"
-msgstr ""
+msgstr "太陽データと伝搬"
 
 #: application/views/dashboard/index.php:468
 #, php-format
 msgid "Last update at %s."
-msgstr ""
+msgstr "最終更新日時：%s。"
 
 #: application/views/dashboard/index.php:477
 msgid "Data provided by HAMqsl."
-msgstr ""
+msgstr "HAMqsl 提供のデータ。"
 
 #: application/views/debug/index.php:568
 msgid "HAMqsl"
-msgstr ""
+msgstr "HAMqsl"
 
 #: application/views/user/edit.php:641
 msgid "Dashboard solar and propagation data"
-msgstr ""
+msgstr "ダッシュボードの太陽活動と電波伝播データ"
 
 #: application/views/user/edit.php:647
 msgid ""
 "This switches the display of the solar and propagation data on the dashboard."
-msgstr ""
+msgstr "これにより、ダッシュボード上の太陽活動データと伝播データの表示が切り替わりま"
+"す。"
 
 #~ msgid "QSL / LoTW / Clublog / eQSL / QRZ"
 #~ msgstr "QSL / LoTW / Clublog / eQSL / QRZ"