File ipa-globaladvance-fix.conf of Package IPAPGothic
<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<!--
New IPA fonts misadvertise themselves as monospaced when
in fact they are dual-spaced (half and full). This makes
FreeType very confused as it forces all widths to match.
Undo this magic by disabling the width forcing code -->
<match target="font">
<test name="family">
<string>IPAMincho</string>
<string>IPAGothic</string>
<string>IPAPMincho</string>
<string>IPAPGothic</string>
</test>
<edit name="globaladvance">
<bool>false</bool>
</edit>
</match>
</fontconfig>