Translated using Weblate (Japanese)

Currently translated at 85.9% (238 of 277 strings)

Translation: openScale/Strings
Translate-URL: https://hosted.weblate.org/projects/openscale/strings/ja/

Author: chihilock

android_app/app/src/main/res/values-ja/strings.xml

@@ -255,4 +255,6 @@
     <string name="amputation_level_forearm_hand">前腕と脚</string>
     <string name="amputation_level_hand">手</string>
     <string name="amputation_level_none">切断なし</string>
+    <string name="label_empty">空</string>
+    <string name="label_time_period">期間</string>
 </resources>