diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 17dbcb3..41bec80 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -15,7 +15,7 @@ jobs:
     - name: Install Deps
       run: |
         sudo apt update
-        sudo apt install libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev libwebp-dev libportmidi-dev libcjson-dev asciidoctor
+        sudo apt install libsdl2-dev libsdl2-ttf-dev libsdl2-mixer-dev libwebp-dev libportmidi-dev libcjson-dev asciidoctor gettext
 
     - name: Build
       run: |
@@ -27,3 +27,16 @@ jobs:
     - name: Test
       run: ctest --output-on-failure
       working-directory: out/${{ matrix.build-type }}
+
+    - name: Verify xsystem35.pot is up to date
+      if: matrix.build-type == 'Debug'
+      run: |
+        xgettext --default-domain=xsystem35 --directory=. \
+          --keyword=_ --keyword=N_ \
+          --files-from=po/POTFILES.in \
+          --output=/tmp/fresh.pot
+        if ! diff <(grep '^msgid' po/xsystem35.pot | sort) \
+                  <(grep '^msgid' /tmp/fresh.pot | sort); then
+          echo "::error::po/xsystem35.pot is out of date. Build the 'pot' target and commit the changes under po/."
+          exit 1
+        fi
diff --git a/po/CMakeLists.txt b/po/CMakeLists.txt
index 7f47ab3..910441f 100644
--- a/po/CMakeLists.txt
+++ b/po/CMakeLists.txt
@@ -1,11 +1,14 @@
-# This creates a target "translations"
+# A normal build does not re-extract strings, so after adding/changing a
+# _()/N_() string build the `pot` target and translate the new ja.po entries.
+# CI fails if xsystem35.pot is out of date.
+
+# Compile ja.po into the runtime catalog.
 gettext_create_translations(xsystem35.pot ALL ja.po)
 
+# The `pot` target re-extracts strings from POTFILES.in into xsystem35.pot.
 add_custom_target(pot
   xgettext --default-domain=${PACKAGE} --directory=${CMAKE_SOURCE_DIR}
            --keyword=_ --keyword=N_
            --files-from=${CMAKE_CURRENT_SOURCE_DIR}/POTFILES.in
-           --copyright-holder='Masaki Chikama'
            --output=${CMAKE_CURRENT_SOURCE_DIR}/xsystem35.pot
   )
-add_dependencies(translations pot)
diff --git a/po/LINGUAS b/po/LINGUAS
deleted file mode 100644
index bef7f4a..0000000
--- a/po/LINGUAS
+++ /dev/null
@@ -1 +0,0 @@
-ja
diff --git a/po/Makefile.in.in b/po/Makefile.in.in
deleted file mode 100644
index ada8bb4..0000000
--- a/po/Makefile.in.in
+++ /dev/null
@@ -1,317 +0,0 @@
-# Makefile for PO directory in any package using GNU gettext.
-# Copyright (C) 1995-1997, 2000-2002 by Ulrich Drepper <drepper@gnu.ai.mit.edu>
-#
-# This file can be copied and used freely without restrictions.  It can
-# be used in projects which are not available under the GNU General Public
-# License but which still want to provide support for the GNU gettext
-# functionality.
-# Please note that the actual code of GNU gettext is covered by the GNU
-# General Public License and is *not* in the public domain.
-
-PACKAGE = @PACKAGE@
-VERSION = @VERSION@
-
-SHELL = /bin/sh
-@SET_MAKE@
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-
-prefix = @prefix@
-exec_prefix = @exec_prefix@
-datadir = @datadir@
-localedir = $(datadir)/locale
-gettextsrcdir = $(datadir)/gettext/po
-
-INSTALL = @INSTALL@
-INSTALL_DATA = @INSTALL_DATA@
-MKINSTALLDIRS = @MKINSTALLDIRS@
-mkinstalldirs = $(SHELL) `case "$(MKINSTALLDIRS)" in /*) echo "$(MKINSTALLDIRS)" ;; *) echo "$(top_builddir)/$(MKINSTALLDIRS)" ;; esac`
-
-GMSGFMT = @GMSGFMT@
-MSGFMT = @MSGFMT@
-XGETTEXT = @XGETTEXT@
-MSGMERGE = msgmerge
-MSGMERGE_UPDATE = @MSGMERGE@ --update
-MSGINIT = msginit
-MSGCONV = msgconv
-MSGFILTER = msgfilter
-
-POFILES = @POFILES@
-GMOFILES = @GMOFILES@
-UPDATEPOFILES = @UPDATEPOFILES@
-DUMMYPOFILES = @DUMMYPOFILES@
-DISTFILES.common = Makefile.in.in Makevars remove-potcdate.sin \
-$(DISTFILES.common.extra1) $(DISTFILES.common.extra2) $(DISTFILES.common.extra3)
-DISTFILES = $(DISTFILES.common) POTFILES.in $(DOMAIN).pot \
-$(POFILES) $(GMOFILES) \
-$(DISTFILES.extra1) $(DISTFILES.extra2) $(DISTFILES.extra3)
-
-POTFILES = \
-
-CATALOGS = @CATALOGS@
-
-# Makevars gets inserted here. (Don't remove this line!)
-
-.SUFFIXES:
-.SUFFIXES: .po .gmo .mo .sed .sin .nop .po-update
-
-.po.mo:
-	@echo "$(MSGFMT) -c -o $@ $<"; \
-	$(MSGFMT) -c -o t-$@ $< && mv t-$@ $@
-
-.po.gmo:
-	@lang=`echo $* | sed -e 's,.*/,,'`; \
-	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
-	echo "$${cdcmd}rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o $${lang}.gmo $${lang}.po"; \
-	cd $(srcdir) && rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o t-$${lang}.gmo $${lang}.po && mv t-$${lang}.gmo $${lang}.gmo
-
-.sin.sed:
-	sed -e '/^#/d' $< > t-$@
-	mv t-$@ $@
-
-
-all: all-@USE_NLS@
-
-all-yes: $(CATALOGS)
-all-no:
-
-# Note: Target 'all' must not depend on target '$(DOMAIN).pot-update',
-# otherwise packages like GCC can not be built if only parts of the source
-# have been downloaded.
-
-$(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
-	$(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
-	  --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) \
-	  --files-from=$(srcdir)/POTFILES.in \
-	  --copyright-holder='$(COPYRIGHT_HOLDER)'
-	test ! -f $(DOMAIN).po || { \
-	  if test -f $(srcdir)/$(DOMAIN).pot; then \
-	    sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > $(DOMAIN).1po && \
-	    sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
-	    if cmp $(DOMAIN).1po $(DOMAIN).2po >/dev/null 2>&1; then \
-	      rm -f $(DOMAIN).1po $(DOMAIN).2po $(DOMAIN).po; \
-	    else \
-	      rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot && \
-	      mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
-	    fi; \
-	  else \
-	    mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
-	  fi; \
-	}
-
-$(srcdir)/$(DOMAIN).pot:
-	$(MAKE) $(DOMAIN).pot-update
-
-$(POFILES): $(srcdir)/$(DOMAIN).pot
-	@lang=`echo $@ | sed -e 's,.*/,,' -e 's/\.po$$//'`; \
-	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
-	echo "$${cdcmd}$(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot"; \
-	cd $(srcdir) && $(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot
-
-
-install: install-exec install-data
-install-exec:
-install-data: install-data-@USE_NLS@
-	if test "$(PACKAGE)" = "gettext"; then \
-	  $(mkinstalldirs) $(DESTDIR)$(gettextsrcdir); \
-	  for file in $(DISTFILES.common); do \
-	    $(INSTALL_DATA) $(srcdir)/$$file \
-			    $(DESTDIR)$(gettextsrcdir)/$$file; \
-	  done; \
-	else \
-	  : ; \
-	fi
-install-data-no: all
-install-data-yes: all
-	$(mkinstalldirs) $(DESTDIR)$(datadir)
-	@catalogs='$(CATALOGS)'; \
-	for cat in $$catalogs; do \
-	  cat=`basename $$cat`; \
-	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
-	  dir=$(localedir)/$$lang/LC_MESSAGES; \
-	  $(mkinstalldirs) $(DESTDIR)$$dir; \
-	  if test -r $$cat; then realcat=$$cat; else realcat=$(srcdir)/$$cat; fi; \
-	  $(INSTALL_DATA) $$realcat $(DESTDIR)$$dir/$(DOMAIN).mo; \
-	  echo "installing $$realcat as $(DESTDIR)$$dir/$(DOMAIN).mo"; \
-	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
-	    if test -n "$$lc"; then \
-	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
-	        link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
-	        mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
-	        mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
-	        (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
-	         for file in *; do \
-	           if test -f $$file; then \
-	             ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
-	           fi; \
-	         done); \
-	        rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
-	      else \
-	        if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
-	          :; \
-	        else \
-	          rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
-	          mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
-	        fi; \
-	      fi; \
-	      rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
-	      ln -s ../LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
-	      ln $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
-	      cp -p $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
-	      echo "installing $$realcat link as $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo"; \
-	    fi; \
-	  done; \
-	done
-
-install-strip: install
-
-installdirs: installdirs-exec installdirs-data
-installdirs-exec:
-installdirs-data: installdirs-data-@USE_NLS@
-	if test "$(PACKAGE)" = "gettext"; then \
-	  $(mkinstalldirs) $(DESTDIR)$(gettextsrcdir); \
-	else \
-	  : ; \
-	fi
-installdirs-data-no:
-installdirs-data-yes:
-	$(mkinstalldirs) $(DESTDIR)$(datadir)
-	@catalogs='$(CATALOGS)'; \
-	for cat in $$catalogs; do \
-	  cat=`basename $$cat`; \
-	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
-	  dir=$(localedir)/$$lang/LC_MESSAGES; \
-	  $(mkinstalldirs) $(DESTDIR)$$dir; \
-	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
-	    if test -n "$$lc"; then \
-	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
-	        link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
-	        mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
-	        mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
-	        (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
-	         for file in *; do \
-	           if test -f $$file; then \
-	             ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
-	           fi; \
-	         done); \
-	        rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
-	      else \
-	        if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
-	          :; \
-	        else \
-	          rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
-	          mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
-	        fi; \
-	      fi; \
-	    fi; \
-	  done; \
-	done
-
-# Define this as empty until I found a useful application.
-installcheck:
-
-uninstall: uninstall-exec uninstall-data
-uninstall-exec:
-uninstall-data: uninstall-data-@USE_NLS@
-	if test "$(PACKAGE)" = "gettext"; then \
-	  for file in $(DISTFILES.common); do \
-	    rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
-	  done; \
-	else \
-	  : ; \
-	fi
-uninstall-data-no:
-uninstall-data-yes:
-	catalogs='$(CATALOGS)'; \
-	for cat in $$catalogs; do \
-	  cat=`basename $$cat`; \
-	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
-	  for lc in LC_MESSAGES $(EXTRA_LOCALE_CATEGORIES); do \
-	    rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
-	  done; \
-	done
-
-check: all
-
-dvi info tags TAGS ID:
-
-mostlyclean:
-	rm -f remove-potcdate.sed
-	rm -f core core.* $(DOMAIN).po $(DOMAIN).1po $(DOMAIN).2po *.new.po
-	rm -fr *.o
-
-clean: mostlyclean
-
-distclean: clean
-	rm -f Makefile Makefile.in POTFILES *.mo
-
-maintainer-clean: distclean
-	@echo "This command is intended for maintainers to use;"
-	@echo "it deletes files that may require special tools to rebuild."
-	rm -f $(GMOFILES)
-
-distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
-dist distdir:
-	$(MAKE) update-po
-	@$(MAKE) dist2
-# This is a separate target because 'update-po' must be executed before.
-dist2: $(DISTFILES)
-	dists="$(DISTFILES)"; \
-	if test -f $(srcdir)/ChangeLog; then dists="$$dists ChangeLog"; fi; \
-	if test -f $(srcdir)/LINGUAS; then dists="$$dists LINGUAS"; fi; \
-	for file in $$dists; do \
-	  if test -f $$file; then \
-	    cp -p $$file $(distdir); \
-	  else \
-	    cp -p $(srcdir)/$$file $(distdir); \
-	  fi; \
-	done
-
-update-po: Makefile
-	$(MAKE) $(DOMAIN).pot-update
-	$(MAKE) $(UPDATEPOFILES)
-	$(MAKE) update-gmo
-
-# General rule for updating PO files.
-
-.nop.po-update:
-	@lang=`echo $@ | sed -e 's/\.po-update$$//'`; \
-	if test "$(PACKAGE)" = "gettext"; then PATH=`pwd`/../src:$$PATH; fi; \
-	tmpdir=`pwd`; \
-	echo "$$lang:"; \
-	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
-	echo "$${cdcmd}$(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$lang.new.po"; \
-	cd $(srcdir); \
-	if $(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$tmpdir/$$lang.new.po; then \
-	  if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
-	    rm -f $$tmpdir/$$lang.new.po; \
-	  else \
-	    if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
-	      :; \
-	    else \
-	      echo "msgmerge for $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
-	      exit 1; \
-	    fi; \
-	  fi; \
-	else \
-	  echo "msgmerge for $$lang.po failed!" 1>&2; \
-	  rm -f $$tmpdir/$$lang.new.po; \
-	fi
-
-$(DUMMYPOFILES):
-
-update-gmo: Makefile $(GMOFILES)
-	@:
-
-Makefile: Makefile.in.in $(top_builddir)/config.status POTFILES.in
-	cd $(top_builddir) \
-	  && CONFIG_FILES=$(subdir)/$@.in CONFIG_HEADERS= \
-	       $(SHELL) ./config.status
-
-force:
-
-# Tell versions [3.59,3.63) of GNU make not to export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/po/Makevars b/po/Makevars
deleted file mode 100644
index d69ddf8..0000000
--- a/po/Makevars
+++ /dev/null
@@ -1,41 +0,0 @@
-# Makefile variables for PO directory in any package using GNU gettext.
-
-# Usually the message domain is the same as the package name.
-DOMAIN = $(PACKAGE)
-
-# These two variables depend on the location of this directory.
-subdir = po
-top_builddir = ..
-
-# These options get passed to xgettext.
-XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
-
-# This is the copyright holder that gets inserted into the header of the
-# $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding
-# package.  (Note that the msgstr strings, extracted from the package's
-# sources, belong to the copyright holder of the package.)  Translators are
-# expected to transfer the copyright for their translations to this person
-# or entity, or to disclaim their copyright.  The empty string stands for
-# the public domain; in this case the translators are expected to disclaim
-# their copyright.
-COPYRIGHT_HOLDER = Masaki Chikama
-
-# This is the email address or URL to which the translators shall report
-# bugs in the untranslated strings:
-# - Strings which are not entire sentences, see the maintainer guidelines
-#   in the GNU gettext documentation, section 'Preparing Strings'.
-# - Strings which use unclear terms or require additional context to be
-#   understood.
-# - Strings which make invalid assumptions about notation of date, time or
-#   money.
-# - Pluralisation problems.
-# - Incorrect English spelling.
-# - Incorrect formatting.
-# It can be your email address, or a mailing list address where translators
-# can write to without being subscribed, or the URL of a web page through
-# which the translators can contact you.
-MSGID_BUGS_ADDRESS = chikama@nabal.aist-nara.ac.jp
-
-# This is the list of locale categories, beyond LC_MESSAGES, for which the
-# message catalogs shall be used.  It is usually empty.
-EXTRA_LOCALE_CATEGORIES =
diff --git a/po/ja.gmo b/po/ja.gmo
deleted file mode 100644
index eb33d46..0000000
Binary files a/po/ja.gmo and /dev/null differ
diff --git a/po/ja.po b/po/ja.po
index 61db9c0..f304f29 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: xsystem35 1.7.3pre3\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-06-14 17:09+0900\n"
+"POT-Creation-Date: 2026-06-29 17:18+0900\n"
 "PO-Revision-Date: 2026-06-14 17:09+0900\n"
 "Last-Translator: CHIKAMA Masaki <chika@8ne.sakura.ne.jp>\n"
 "Language-Team: Japanese <chika@8ne.sakura.ne.jp>\n"
@@ -17,47 +17,55 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/menu_sdl.c:151
+#: src/menu_sdl.c:91 src/menu_sdl.c:94
 msgid "Message Skip"
 msgstr "メッセージスキップ"
 
-#: src/menu_sdl.c:156
+#: src/menu_sdl.c:98
 msgid "Mouse Auto Move"
 msgstr "マウスカーソル移動"
 
-#: src/menu_sdl.c:159
+#: src/menu_sdl.c:101 src/volume.c:181
 msgid "Volume"
 msgstr "ボリューム"
 
-#: src/menu_sdl.c:164
-msgid "Exit"
+#: src/menu_sdl.c:106
+msgid "Quit"
 msgstr "終了"
 
-#: src/menu_sdl.c:252
-msgid "mute"
-msgstr "ミュート"
+#: src/menu_sdl.c:306
+msgid "Enter a string"
+msgstr "文字を入力してください"
 
-#: src/menu_sdl.c:260
-msgid "Close"
-msgstr "閉じる"
-
-#: src/volume.c:90
-msgid "BGM"
-msgstr "BGM"
-
-#: src/volume.c:91
-msgid "Sound effects"
-msgstr "効果音"
-
-#: src/menu_sdl.c:378 src/menu_sdl.c:383 src/menu_sdl.c:529
-msgid "OK"
-msgstr "ＯＫ"
-
-#: src/menu_sdl.c:385 src/menu_sdl.c:533
-msgid "Cancel"
-msgstr "キャンセル"
-
-#: src/menu_sdl.c:521
+#: src/menu_sdl.c:318
 #, c-format
 msgid "Up to %d characters"
 msgstr "最大 %d 文字"
+
+#: src/menu_sdl.c:326 src/menu_sdl.c:451 src/menu_sdl.c:456
+msgid "OK"
+msgstr "ＯＫ"
+
+#: src/menu_sdl.c:330 src/menu_sdl.c:458
+msgid "Cancel"
+msgstr "キャンセル"
+
+#: src/menu_sdl.c:407
+msgid "Enter a number"
+msgstr "数値を入力してください"
+
+#: src/volume.c:89
+msgid "BGM"
+msgstr "BGM"
+
+#: src/volume.c:90
+msgid "Sound effects"
+msgstr "効果音"
+
+#: src/volume.c:172
+msgid "mute"
+msgstr "ミュート"
+
+#: src/volume.c:206
+msgid "Close"
+msgstr "閉じる"
diff --git a/po/xsystem35.pot b/po/xsystem35.pot
index 279c986..9400b79 100644
--- a/po/xsystem35.pot
+++ b/po/xsystem35.pot
@@ -1,5 +1,5 @@
 # SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR Masaki Chikama
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 #
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-06-14 17:09+0900\n"
+"POT-Creation-Date: 2026-06-29 17:18+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,39 +17,55 @@ msgstr ""
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/menu_sdl.c:151
+#: src/menu_sdl.c:91 src/menu_sdl.c:94
 msgid "Message Skip"
 msgstr ""
 
-#: src/menu_sdl.c:156
+#: src/menu_sdl.c:98
 msgid "Mouse Auto Move"
 msgstr ""
 
-#: src/menu_sdl.c:159
+#: src/menu_sdl.c:101 src/volume.c:181
 msgid "Volume"
 msgstr ""
 
-#: src/menu_sdl.c:164
-msgid "Exit"
+#: src/menu_sdl.c:106
+msgid "Quit"
 msgstr ""
 
-#: src/menu_sdl.c:252
-msgid "mute"
+#: src/menu_sdl.c:306
+msgid "Enter a string"
 msgstr ""
 
-#: src/menu_sdl.c:260
-msgid "Close"
-msgstr ""
-
-#: src/menu_sdl.c:378 src/menu_sdl.c:383 src/menu_sdl.c:529
-msgid "OK"
-msgstr ""
-
-#: src/menu_sdl.c:385 src/menu_sdl.c:533
-msgid "Cancel"
-msgstr ""
-
-#: src/menu_sdl.c:521
+#: src/menu_sdl.c:318
 #, c-format
 msgid "Up to %d characters"
 msgstr ""
+
+#: src/menu_sdl.c:326 src/menu_sdl.c:451 src/menu_sdl.c:456
+msgid "OK"
+msgstr ""
+
+#: src/menu_sdl.c:330 src/menu_sdl.c:458
+msgid "Cancel"
+msgstr ""
+
+#: src/menu_sdl.c:407
+msgid "Enter a number"
+msgstr ""
+
+#: src/volume.c:89
+msgid "BGM"
+msgstr ""
+
+#: src/volume.c:90
+msgid "Sound effects"
+msgstr ""
+
+#: src/volume.c:172
+msgid "mute"
+msgstr ""
+
+#: src/volume.c:206
+msgid "Close"
+msgstr ""