diff --git a/.vscode/settings.json b/.vscode/settings.json
index ec66279..fb81f7e 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -20,6 +20,7 @@
     "nixfmt",
     "nixos",
     "nixpkgs",
+    "noto",
     "opentype",
     "pagebreak",
     "pinit",
@@ -42,7 +43,6 @@
     "editor.defaultFormatter": "myriad-dreamin.tinymist"
   },
   "tinymist.formatterMode": "typstyle",
-  "tinymist.exportPdf": "onSave",
 
   "[jsonc]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
diff --git a/devenv.nix b/devenv.nix
index bc056f4..bf2f3e9 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -3,8 +3,8 @@
 let
   fontsOverlay = import (
     builtins.fetchTarball {
-      url = "https://github.com/pompydev/nix-google-fonts-overlay/archive/dfb84823efeb84314f8186cb2014edf05136b527.tar.gz";
-      sha256 = "sha256:01cpfyzd4xl3a462jyn2xn22hn6i1my1svyag7926r3r2vmck24y";
+      url = "https://github.com/pompydev/nix-google-fonts-overlay/archive/fc0690302d895d6813a51bcd918442f7dc9db49a.tar.gz";
+      sha256 = "sha256:1mvhxl20vbccwzcr55ghlxnr8fnanbzh3jy7l4k2mzin4vmz4qan";
     }
   );
 in
@@ -15,13 +15,16 @@ in
     nixd
     nixfmt-rfc-style
 
+    # fonts
     font-awesome_6
+    google-fonts-noto-serif
+    google-fonts-noto-serif-kr
   ];
 
   scripts.compile.exec = ''
     find src/ -name '*.typ' | while read file; do
       echo "Compiling $file"
-      typst compile --root . "$file"
+      typst compile --ignore-system-fonts --root . "$file"
     done
     echo Done!
   '';
@@ -31,6 +34,8 @@ in
     enable = true;
     fontPaths = [
       "${pkgs.font-awesome_6}/share/fonts/opentype"
+      "${pkgs.google-fonts-noto-serif}/share/fonts/truetype"
+      "${pkgs.google-fonts-noto-serif-kr}/share/fonts/truetype"
     ];
   };
 }
diff --git a/src/_lib/const.typ b/src/_lib/const.typ
new file mode 100644
index 0000000..e6fb249
--- /dev/null
+++ b/src/_lib/const.typ
@@ -0,0 +1,5 @@
+#let page_width = 90mm
+#let page_height = 140mm
+#let page_margin = 5mm
+#let default_font = ("Noto Serif", "Noto Serif KR")
+#let default_font_size = 10pt
diff --git a/src/chem/chem.typ b/src/chem/chem.typ
index cc7858c..bdab97e 100644
--- a/src/chem/chem.typ
+++ b/src/chem/chem.typ
@@ -1,11 +1,13 @@
+#import "../_lib/const.typ": *
 #import "../_lib/cover.typ": cover
 
 #set page(
-  width: 90mm,
-  height: 140mm,
-  margin: 5mm,
+  width: page_width,
+  height: page_height,
+  margin: page_margin,
   numbering: "1",
 )
+#set text(font: default_font, size: default_font_size)
 #set list(marker: "•")
 
 #cover(name: "Chemistry", slug: "math")
diff --git a/src/cs/cs.typ b/src/cs/cs.typ
index 2d9451e..460a698 100644
--- a/src/cs/cs.typ
+++ b/src/cs/cs.typ
@@ -1,11 +1,13 @@
+#import "../_lib/const.typ": *
 #import "../_lib/cover.typ": cover
 
 #set page(
-  width: 90mm,
-  height: 140mm,
-  margin: 5mm,
+  width: page_width,
+  height: page_height,
+  margin: page_margin,
   numbering: "1",
 )
+#set text(font: default_font, size: default_font_size)
 #set list(marker: "•")
 
 #cover(name: "Computer Science", slug: "cs")
diff --git a/src/ee/ee.typ b/src/ee/ee.typ
index 8504c86..b71ab12 100644
--- a/src/ee/ee.typ
+++ b/src/ee/ee.typ
@@ -1,11 +1,13 @@
+#import "../_lib/const.typ": *
 #import "../_lib/cover.typ": cover
 
 #set page(
-  width: 90mm,
-  height: 140mm,
-  margin: 5mm,
+  width: page_width,
+  height: page_height,
+  margin: page_margin,
   numbering: "1",
 )
+#set text(font: default_font, size: default_font_size)
 #set list(marker: "•")
 
 #cover(name: "Electrical Engineering", slug: "ee")
diff --git a/src/math/math.typ b/src/math/math.typ
index 0a343f2..6ba4d74 100644
--- a/src/math/math.typ
+++ b/src/math/math.typ
@@ -1,14 +1,16 @@
+#import "../_lib/const.typ": *
 #import "../_lib/cover.typ": cover
 #import "@preview/fletcher:0.5.7"
 #import fletcher: diagram, node, edge
 #import "@preview/pinit:0.2.2": *
 
 #set page(
-  width: 90mm,
-  height: 140mm,
-  margin: 5mm,
+  width: page_width,
+  height: page_height,
+  margin: page_margin,
   numbering: "1",
 )
+#set text(font: default_font, size: default_font_size)
 #set list(marker: "•")
 
 #cover(name: "Mathematics", slug: "math")
diff --git a/src/neuro/neuro.typ b/src/neuro/neuro.typ
index b3b9f3b..ef6702f 100644
--- a/src/neuro/neuro.typ
+++ b/src/neuro/neuro.typ
@@ -1,11 +1,13 @@
+#import "../_lib/const.typ": *
 #import "../_lib/cover.typ": cover
 
 #set page(
-  width: 90mm,
-  height: 140mm,
-  margin: 5mm,
+  width: page_width,
+  height: page_height,
+  margin: page_margin,
   numbering: "1",
 )
+#set text(font: default_font, size: default_font_size)
 #set list(marker: "•")
 
 #cover(name: "Neuroscience", slug: "neuro")
diff --git a/src/phy/phy.typ b/src/phy/phy.typ
index dadcbd8..45a1c1c 100644
--- a/src/phy/phy.typ
+++ b/src/phy/phy.typ
@@ -1,11 +1,13 @@
+#import "../_lib/const.typ": *
 #import "../_lib/cover.typ": cover
 
 #set page(
-  width: 90mm,
-  height: 140mm,
-  margin: 5mm,
+  width: page_width,
+  height: page_height,
+  margin: page_margin,
   numbering: "1",
 )
+#set text(font: default_font, size: default_font_size)
 #set list(marker: "•")
 
 #cover(name: "Physics", slug: "phy")