Edit file File name : 69-language-selector-ja.conf Content :<?xml version="1.0"?> <!DOCTYPE fontconfig SYSTEM "fonts.dtd"> <fontconfig> <match target="font"> <test name="family" compare="contains"> <string>Noto Sans CJK JP</string> </test> <test qual="all" name="pixelsize" compare="less_eq"> <double>18</double> </test> <edit mode="assign" name="embeddedbitmap"> <bool>false</bool> </edit> <edit mode="assign" name="hintstyle"> <const>hintnone</const> </edit> </match> <match target="font"> <test name="family" compare="contains"> <string>Noto Serif CJK JP</string> </test> <test qual="all" name="pixelsize" compare="less_eq"> <double>18</double> </test> <edit mode="assign" name="embeddedbitmap"> <bool>false</bool> </edit> <edit mode="assign" name="hintstyle"> <const>hintnone</const> </edit> </match> </fontconfig> Save