japanese font and keyboard

modules/nixos/base.nix

@@ -3,6 +3,10 @@
     nix.settings.experimental-features = [ "nix-command" "flakes" ];
     time.timeZone = "Asia/Tokyo";
     i18n.defaultLocale = "ja_JP.UTF-8";
+    services.xserver.xkb.layout = "jp";
+    services.xserver.xkb.variant = "";
+    services.xserver.xkb.options = "ctrl:nocaps";
+    console.keyMap = "jp106";
     
     # common user
     users.users.moons = {

modules/nixos/font.nix

@@ -0,0 +1,30 @@
+{ pkgs, ... }:
+
+{
+  fonts = {
+   packages = (with pkgs;
+      [
+        noto-fonts
+        noto-fonts-cjk-sans
+        noto-fonts-emoji
+        terminus_font
+        cantarell-fonts
+        font-awesome
+      ]
+    );
+    fontDir.enable = true;
+    fontconfig = {
+      defaultFonts = {
+        serif = [
+          "Noto Serif CJK JP"
+          "Noto Color Emoji"
+        ];
+        sansSerif =[
+          "Noto Sans CJK JP"
+          "Noto Clor Emoji"
+        ];
+        emoji = ["Noto Color Emoji"];
+      };
+    };
+  };
+}