fonts.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
	<match target="pattern">
		<test qual="any" name="family">
			serif
		</test>
		<edit name="family" mode="prepend" binding="strong">
			<string>SourceHanSerifJP</string>
			<string>NotoSerifJapanese</string>
			<string>IPAex明朝</string>
			<string>TakaoP明朝</string>
		</edit>
	</match>
	<match target="pattern">
		<test qual="any" name="family">
			sans-serif
		</test>
		<edit name="family" mode="prepend" binding="strong">
			<string>SourceHanSansJP</string>
			<string>NotoSansJapanese</string>
			<string>IPAexゴシック</string>
			<string>TakaoPゴシック</string>
		</edit>
	</match>
	<match target="pattern">
		<test qual="any" name="family">
			<string>monospace</string>
		</test>
		<edit name="family" mode="prepend" binding="strong">
			<string>Ricty</string>
			<string>Source Code Pro</string>
			<string>Souce Han Code JP</string>
		</edit>
	</match>
	<match target="pattern">
		<test qual="any" name="family">
			<string>GothicBBB</string>
		</test>
		<edit mode="prepend">
			<string>sans-serif</string>
		</edit>
	</match>
	<match>
		<test qual="any" name="family">
			<string>Ryumin</string>
		</test>
		<edit mode="prepend">
			<string>serif</string>
		</edit>
	</match>
</fontconfig>