dotfiles/.config/fontconfig/fonts.conf

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <dir prefix="xdg">fonts</dir>
 <match target="pattern">
  <test name="family" qual="any">
   <string>monospace</string>
  </test>
  <edit name="family" mode="prepend" binding="strong">
   <string>JetBrains Mono</string>
  </edit>
 </match>
 <match>
  <test name="family" qual="any">
   <string>regular</string>
  </test>
  <edit name="family" mode="prepend" binding="strong">
   <string>FOT-RodinBokutoh Pro</string>
  </edit>
 </match>
 <match>
  <test name="family" qual="any">
   <string>sans-serif</string>
  </test>
  <edit name="family" mode="prepend" binding="strong">
   <string>FOT-RodinBokutoh Pro</string>
  </edit>
 </match>
 <match>
  <test name="family" qual="any">
   <string>serif</string>
  </test>
  <edit name="family" mode="prepend" binding="strong">
   <string>FOT-RodinBokutoh Pro</string>
  </edit>
 </match>
 <alias>
  <family>Helvetica</family>
  <prefer>
   <family>FOT-RodinBokutoh Pro</family>
  </prefer>
 </alias>
 <alias>
  <family>Liberation Mono</family>
  <prefer>
   <family>JetBrains Mono</family>
  </prefer>
 </alias>
 <dir>~/.fonts</dir>
</fontconfig>