{
  description = "kenryuS nixos configurations/dotfiles";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
    home-manager.url = "github:nix-community/home-manager/master";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
  };

  outputs = inputs@{ self, nixpkgs, home-manager, ... }:
    let
      systemSettings = {
        system = "x86_64-linux";
        hostname = "kenryu-nixos";
        host = "syushiki";
        timezone = "Asia/Tokyo";
        locale = "ja_JP.UTF-8";
        bootConf = {
          mode = "uefi";
          mountPath = "/boot";
          grubDev = "";
        };
        gpuType = "nvidia";
      };

      userSettings = {
        username = "kenryus";
        name = "Kenryu Shibata";
        email-dev = "kenryudev5894@gmail.com";
        dotfilesDir = "/etc/nixos";
        editor = "nvim";
        editor-pkg = pkgs.neovim;
      };

      pkgs = import inputs.nixpkgs {
        system = systemSettings.system;
      };

      lib = inputs.nixpkgs.lib;
    in {
      #nixosModules = {
      #  home-mngr = home-manager.nixosModules.home-manager {
      #    home-manager.useGlobalPkgs = true;
      #    home-manager.useUserPackages = true;
      #    home-manager.users.${userSettings.username} = import (./. + "/hosts/${systemSettings.host}/home.nix");
      #    home-manager.extraSpecialArgs = {
      #      inherit userSettings;
      #    };
      #  };
      #};

      #nixosConfigurations = import ./hosts inputs { inherit systemSettings; inherit userSettings; };
      nixosConfigurations.syushiki = lib.nixosSystem {
        system = systemSettings.system;
        modules = [
          ./hosts/syushiki
          home-manager.nixosModules.home-manager {
            home-manager.useGlobalPkgs = true;
            home-manager.useUserPackages = true;
            home-manager.users.${userSettings.username} = import (./. + "/hosts/${systemSettings.host}/home.nix");
            home-manager.extraSpecialArgs = {
              inherit userSettings;
            };
          }
        ];
        specialArgs = {
          inherit inputs systemSettings userSettings;
        };
      };
    };
}