diff --git a/modules/applications/ghostty/home.nix b/modules/applications/ghostty/home.nix
index 199fc8d..b1ba9f0 100644
--- a/modules/applications/ghostty/home.nix
+++ b/modules/applications/ghostty/home.nix
@@ -1,11 +1,14 @@
 {
   inputs,
+  lib,
   pkgs,
   ...
 }:
 let
+  isDarwin = pkgs.stdenv.hostPlatform.isDarwin;
+  isLinux = pkgs.stdenv.hostPlatform.isLinux;
   package =
-    if pkgs.stdenv.hostPlatform.isLinux then
+    if isLinux then
       inputs.ghostty.packages.${pkgs.stdenv.hostPlatform.system}.ghostty-releasefast
     else
       null;
@@ -14,7 +17,7 @@ in
   programs.ghostty = {
     enable = true;
     inherit package;
-    systemd.enable = pkgs.stdenv.hostPlatform.isLinux;
+    systemd.enable = isLinux;
 
     settings = {
       theme = "dracula";
@@ -30,7 +33,9 @@ in
         "ctrl+shift+t=new_tab"
         "ctrl+alt+left_bracket=previous_tab"
         "ctrl+alt+right_bracket=next_tab"
-        "ctrl+alt+q=close_window"
+        "alt+q=close_window"
+        "global:alt+space=toggle_quick_terminal"
+        "global:alt+t=new_window"
         "ctrl+shift+semicolon=increase_font_size:1"
         "ctrl+shift+minus=decrease_font_size:1"
       ];
@@ -45,5 +50,19 @@ in
     };
   };
 
+  # Global Ghostty keybindings are handled by the running app. Start it hidden
+  # at login so Option+T and Option+Space work before opening a terminal.
+  launchd.agents.ghostty-global-keybindings = lib.mkIf isDarwin {
+    enable = true;
+    config = {
+      ProgramArguments = [
+        "/usr/bin/open"
+        "-gja"
+        "Ghostty"
+      ];
+      RunAtLoad = true;
+    };
+  };
+
   xdg.configFile."ghostty/themes/dracula".source = ./dracula.theme;
 }
diff --git a/modules/applications/vicinae/home.nix b/modules/applications/vicinae/home.nix
index 9d4ccc8..88f8626 100644
--- a/modules/applications/vicinae/home.nix
+++ b/modules/applications/vicinae/home.nix
@@ -28,6 +28,8 @@ in
       pop_to_root_on_close = true;
       favicon_service = "twenty";
       search_files_in_root = true;
+      global_shortcuts.toggle = "alt+d";
+      providers.clipboard.entrypoints.history.shortcut = "alt+v";
       theme = {
         light = {
           name = "dracula";
diff --git a/modules/profiles/interface/macos/meta.nix b/modules/profiles/interface/macos/meta.nix
index 5d8d7c9..59015ee 100644
--- a/modules/profiles/interface/macos/meta.nix
+++ b/modules/profiles/interface/macos/meta.nix
@@ -4,6 +4,7 @@
   includes = [
     "profiles.interface.gui"
     "systems.dock"
+    "systems.keyboard"
     "systems.trackpad"
   ];
 }
diff --git a/modules/systems/keyboard/darwin.nix b/modules/systems/keyboard/darwin.nix
new file mode 100644
index 0000000..bad5e0c
--- /dev/null
+++ b/modules/systems/keyboard/darwin.nix
@@ -0,0 +1,29 @@
+{
+  system.keyboard = {
+    enableKeyMapping = true;
+    userKeyMapping = [
+      {
+        # Caps Lock → left Command
+        HIDKeyboardModifierMappingSrc = 30064771129;
+        HIDKeyboardModifierMappingDst = 30064771299;
+      }
+    ];
+  };
+
+  system.defaults = {
+    NSGlobalDomain."com.apple.keyboard.fnState" = true;
+
+    # These are the standard macOS App Shortcuts for all applications.  Keep
+    # both English and Japanese menu titles so they work after changing the
+    # macOS display language.
+    CustomUserPreferences.NSGlobalDomain.NSUserKeyEquivalents = {
+      "Close" = "~q";
+      "Close Window" = "~q";
+      "閉じる" = "~q";
+      "ウインドウを閉じる" = "~q";
+      "Zoom" = "~f";
+      "拡大/縮小" = "~f";
+      "拡大／縮小" = "~f";
+    };
+  };
+}