diff --git a/ghostty-fonts.conf b/ghostty-fonts.conf
new file mode 100644
index 0000000..1c3c6f5
--- /dev/null
+++ b/ghostty-fonts.conf
@@ -0,0 +1,40 @@
+<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <!-- Include the system defaults -->
+  <include ignore_missing="yes">/etc/fonts/fonts.conf</include>
+  <include ignore_missing="yes">/etc/fonts/conf.d</include>
+
+  <!-- Custom overrides for Ghostty -->
+  <!-- Force JetBrainsMono Nerd Font (and fallback to Noto Sans CJK JP) -->
+  <match>
+    <edit name="family" mode="prepend" binding="strong">
+      <string>JetBrainsMono Nerd Font</string>
+    </edit>
+    <edit name="family" mode="append">
+      <string>Noto Sans CJK JP</string>
+    </edit>
+  </match>
+
+  <!-- For Japanese text, prefer Noto Sans CJK JP -->
+  <match>
+    <test name="lang" compare="contains">
+      <string>ja</string>
+    </test>
+    <edit name="family" mode="prepend" binding="strong">
+      <string>Noto Sans CJK JP</string>
+    </edit>
+  </match>
+
+  <!-- Monospace alias for Ghostty (so it uses the fixed‑width variant) -->
+  <alias>
+    <family>monospace</family>
+    <prefer>
+      <family>JetBrainsMono Nerd Font Mono</family>
+      <family>Noto Sans Mono CJK JP</family>
+      <family>DejaVu Sans Mono</family>
+      <family>Noto Sans Mono</family>
+    </prefer>
+  </alias>
+</fontconfig>
+