diff --git a/flake.lock b/flake.lock
index 613d1f9..801dfce 100644
--- a/flake.lock
+++ b/flake.lock
@@ -25,11 +25,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1767437240,
-        "narHash": "sha256-OA0dBHhccdupFXp+/eaFfb8K1dQxk61in4aF5ITGVX8=",
+        "lastModified": 1767606757,
+        "narHash": "sha256-lCl9QyHHHG/lKkpZu9nhJ5ri30FUD66VWNMJp167wPY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "1cfa305fba94468f665de1bd1b62dddf2e0cb012",
+        "rev": "c4eabb884b01366f25c3f80823b12dd595ed603a",
         "type": "github"
       },
       "original": {
@@ -55,11 +55,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1767116409,
-        "narHash": "sha256-5vKw92l1GyTnjoLzEagJy5V5mDFck72LiQWZSOnSicw=",
+        "lastModified": 1767379071,
+        "narHash": "sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf+Okucw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "cad22e7d996aea55ecab064e84834289143e44a0",
+        "rev": "fb7944c166a3b630f177938e478f0378e64ce108",
         "type": "github"
       },
       "original": {
diff --git a/home-manager/hyprland/default.nix b/home-manager/hyprland/default.nix
index 92a5355..84dfb2d 100644
--- a/home-manager/hyprland/default.nix
+++ b/home-manager/hyprland/default.nix
@@ -50,6 +50,11 @@ let
       "dconf write /org/gnome/desktop/interface/font-name 'Noto Sans Medium 11'"
       "dconf write /org/gnome/desktop/interface/monospace-font-name 'Noto Sans Mono Medium 11'"
     ];
+    env = [
+      "XDG_CURRENT_DESKTOP,Hyprland"
+      "XDG_SESSION_TYPE,wayland"
+      "XDG_SESSION_DESKTOP,Hyprland"
+    ];
 
     ecosystem.no_update_news = true;
 
@@ -246,9 +251,6 @@ in
       GTK_BACKEND = "wayland";
       QT_QPA_PLATFORM = "wayland;xcb";
       QT_QPA_PLATFORMTHEME = "qt5ct";
-      XDG_SESSION_TYPE = "wayland";
-      XDG_CURRENT_DESKTOP = "Hyprland";
-      XDG_SESSION_DESKTOP = "Hyprland";
     };
   };
 }
diff --git a/home-manager/obs-studio.nix b/home-manager/obs-studio.nix
index edd2865..a8c2ffa 100644
--- a/home-manager/obs-studio.nix
+++ b/home-manager/obs-studio.nix
@@ -6,6 +6,7 @@
       wlrobs
       obs-backgroundremoval
       obs-pipewire-audio-capture
+      obs-shaderfilter
     ];
   };
 }
diff --git a/programs/shell.nix b/programs/shell.nix
index 36e480a..c080300 100644
--- a/programs/shell.nix
+++ b/programs/shell.nix
@@ -15,6 +15,7 @@
     fishPlugins.z
     bc
     jq
+    tree
     socat
     acpi
     btrfs-progs
diff --git a/programs/v4l2.nix b/programs/v4l2.nix
index 6bdbd21..793dbf7 100644
--- a/programs/v4l2.nix
+++ b/programs/v4l2.nix
@@ -1,10 +1,11 @@
-{ pkgs, ... }:
+{ config, pkgs, ... }:
 {
   environment.systemPackages = with pkgs; [
+    config.boot.kernelPackages.v4l2loopback
     v4l-utils
     ffmpeg
   ];
   boot.extraModprobeConfig = ''
-    options v4l2loopback devices=2 video_nr=0,1 card_label="Scrcpy Source,OBS VirtualCamera" exclusive_caps=1
+    options v4l2loopback devices=2 video_nr=0,1 card_label="OBS Virtual Camera,Scrcpy Source" exclusive_caps=1
   '';
 }
diff --git a/system/core/greeter.nix b/system/core/greeter.nix
index a67df49..ccb27bc 100644
--- a/system/core/greeter.nix
+++ b/system/core/greeter.nix
@@ -1,11 +1,34 @@
 { config, pkgs, ... }:
 let
+  rosePineHyprcursor = pkgs.callPackage ../../home-manager/hyprland/rose-pine-hyprcursor.nix { };
   hyprGreetConf = pkgs.writeText "hyprland-greetd.conf" ''
     monitor = DP-1, 5120x2880@60, 0x0, 2
 
     monitor = DP-2, disable
     monitor = DP-3, disable
 
+    env = HYPRCURSOR_THEME,rose-pine-hyprcursor
+    env = HYPRCURSOR_SIZE,24
+    env = XCURSOR_SIZE,24
+
+    env = XDG_CURRENT_DESKTOP,Hyprland
+    env = XDG_SESSION_TYPE,wayland
+    env = XDG_SESSION_DESKTOP,Hyprland"
+
+    general {
+      border_size = 0
+    }
+
+    animations {
+      enabled = false
+    }
+
+    misc {
+      force_default_wallpaper = false
+      disable_hyprland_logo = true
+      disable_splash_rendering = true
+    }
+
     exec-once = ${config.programs.regreet.package or pkgs.regreet}/bin/regreet; hyprctl dispatch exit
   '';
 in
@@ -16,6 +39,10 @@ in
     user = "greeter";
   };
 
+  environment.systemPackages = [
+    rosePineHyprcursor
+  ];
+
   programs.regreet = {
     # greetd を Hyprland で動かす
     enable = true;