diff --git a/java/res/values-ja/strings.xml b/java/res/values-ja/strings.xml
index ca13bb9..66ba900 100644
--- a/java/res/values-ja/strings.xml
+++ b/java/res/values-ja/strings.xml
@@ -107,19 +107,14 @@
     <string name="note_timestamp_for_researchlog" msgid="1889446857977976026">"タイムスタンプを記録"</string>
     <string name="notify_recorded_timestamp" msgid="8036429032449612051">"タイムスタンプ記録済み"</string>
     <string name="do_not_log_this_session" msgid="413762473641146336">"セッションを記録しない"</string>
-    <!-- no translation found for enable_session_logging (4202559020594036225) -->
-    <skip />
-    <!-- no translation found for log_whole_session_history (7087712461632081351) -->
-    <skip />
+    <string name="enable_session_logging" msgid="4202559020594036225">"セッションログを有効にする"</string>
+    <string name="log_whole_session_history" msgid="7087712461632081351">"セッション履歴全体を記録する"</string>
     <string name="notify_session_log_deleting" msgid="3299507647764414623">"セッションログ削除中"</string>
     <string name="notify_session_log_deleted" msgid="8687927130100934686">"セッションログ削除済み"</string>
     <string name="notify_session_log_not_deleted" msgid="2592908998810755970">"セッションログ未削除"</string>
-    <!-- no translation found for notify_session_history_logged (7723983399468056391) -->
-    <skip />
-    <!-- no translation found for notify_session_history_not_logged (6597910011368015361) -->
-    <skip />
-    <!-- no translation found for notify_session_logging_enabled (8549561596936177661) -->
-    <skip />
+    <string name="notify_session_history_logged" msgid="7723983399468056391">"セッション履歴が記録されました"</string>
+    <string name="notify_session_history_not_logged" msgid="6597910011368015361">"エラー: 履歴が記録されていません"</string>
+    <string name="notify_session_logging_enabled" msgid="8549561596936177661">"セッションログが有効になっています"</string>
     <string name="select_language" msgid="3693815588777926848">"入力言語"</string>
     <string name="hint_add_to_dictionary" msgid="573678656946085380">"保存するにはもう一度タップ"</string>
     <string name="has_dictionary" msgid="6071847973466625007">"辞書を利用できます"</string>