diff --git a/.chezmoiignore b/.chezmoiignore
index 1322cbdb5..3696fe9fc 100644
--- a/.chezmoiignore
+++ b/.chezmoiignore
@@ -9,6 +9,8 @@
 **/*brew*
 {{- end }}
 _*
+plan*
+
 .config/claude*
 .config/dbeaver*
 .config/memo*
diff --git a/CLAUDE.md b/CLAUDE.md
index 3f991f903..04320c9f6 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -107,9 +107,8 @@ Scoop (Windows/WSL2)
 
 **Terminal:**
 
-- Alacritty with tmux as terminal multiplexer
-- Rio terminal as alternative
-- Auto-launch tmux in Alacritty/Rio terminals
+- Alacritty, Ghostty, Rio, and WezTerm with tmux as terminal multiplexer
+- Auto-launch tmux in supported terminal emulators
 
 **Shell:**
 
@@ -197,10 +196,12 @@ The repository uses [zabrze](https://github.com/orhun/zabrze) for shell abbrevia
 
 This repository manages 46+ tool configurations in `dot_config/`:
 
-### Terminal & Shell (7 tools)
+### Terminal & Shell (9 tools)
 
 - `alacritty/` - Alacritty terminal emulator (TOML config with keybindings)
+- `ghostty/` - Ghostty terminal emulator
 - `rio/` - Rio terminal emulator
+- `wezterm/` - WezTerm terminal emulator (Lua config with tmux-oriented keybindings)
 - `tmux/` - tmux terminal multiplexer (custom keybindings, status bar)
 - `tig/` - Tig Git TUI
 - `zsh/` - Zsh shell (modularized with lazy loading)
@@ -275,7 +276,7 @@ This repository manages 46+ tool configurations in `dot_config/`:
 
 ## Template System
 
-Chezmoi templates (6 files with `.tmpl` extension) enable platform-specific configurations:
+Chezmoi templates (7 files with `.tmpl` extension) enable platform-specific configurations:
 
 **Template Features:**
 
@@ -289,9 +290,10 @@ Chezmoi templates (6 files with `.tmpl` extension) enable platform-specific conf
 1. `dot_config/zsh/dot_zshenv.tmpl` - Zsh environment variables (XDG, PATH)
 2. `dot_config/git/config.tmpl` - Git config (platform-specific, Delta integration)
 3. `dot_config/alacritty/alacritty.toml.tmpl` - Alacritty terminal config
-4. `dot_config/rio/private_config.toml.tmpl` - Rio terminal config
-5. `dot_config/zsh/lazy/work.zsh.tmpl` - Work-specific zsh config
-6. `dot_config/dot_czrc.tmpl` - commitizen configuration
+4. `dot_config/ghostty/config.tmpl` - Ghostty terminal config
+5. `dot_config/rio/private_config.toml.tmpl` - Rio terminal config
+6. `dot_config/zsh/lazy/work.zsh.tmpl` - Work-specific zsh config
+7. `dot_config/dot_czrc.tmpl` - commitizen configuration
 
 ## Platform Support
 
diff --git a/README.md b/README.md
index f86b0d680..ab8c8aeb6 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 - OS: MacOS/Windows(WSL2)
 - shell: zsh
   - plugin manager: [zinit](https://github.com/zdharma-continuum/zinit)
-- Terminal: [Alacritty](https://github.com/alacritty/alacritty)
+- Terminal: [Alacritty](https://github.com/alacritty/alacritty), [Ghostty](https://ghostty.org/), [Rio](https://raphamorim.io/rio/), [WezTerm](https://wezfurlong.org/wezterm/)
   - Terminal Multiplexer: [tmux](https://github.com/tmux/tmux)
 - Editor: VSCode,NeoVim
 
diff --git a/dot_config/brew/brew_cask.json b/dot_config/brew/brew_cask.json
index 1d5fc7a32..a91d6308a 100644
--- a/dot_config/brew/brew_cask.json
+++ b/dot_config/brew/brew_cask.json
@@ -10,6 +10,7 @@
   "dbeaver-community": "26.0.0",
   "docker-desktop": "4.63.0,220185",
   "firefox": "148.0",
+  "ghostty": "latest",
   "font-hackgen": "2.10.0",
   "font-hackgen-nerd": "2.10.0",
   "google-drive": "121.0.1",
diff --git a/dot_config/ghostty/config.tmpl b/dot_config/ghostty/config.tmpl
new file mode 100644
index 000000000..d57e18102
--- /dev/null
+++ b/dot_config/ghostty/config.tmpl
@@ -0,0 +1,88 @@
+# Ghostty is configured to match the existing tmux-first setup as closely as
+# possible without depending on manual host-local tweaks.
+
+term = xterm-ghostty
+
+font-family = "HackGen35 Console NF"
+font-size = 12
+
+background = #191724
+foreground = #ffffff
+cursor-color = #ffffff
+cursor-text = #E0DEF4
+background-opacity = 0.95
+
+window-padding-x = 0
+window-padding-y = 0
+
+confirm-close-surface = false
+window-decoration = false
+maximize = true
+
+palette = 0=#000000
+palette = 1=#fe0100
+palette = 2=#33ff00
+palette = 3=#feff00
+palette = 4=#0066ff
+palette = 5=#cc00ff
+palette = 6=#00ffff
+palette = 7=#d0d0d0
+palette = 8=#808080
+palette = 9=#fe0100
+palette = 10=#33ff00
+palette = 11=#feff00
+palette = 12=#0066ff
+palette = 13=#cc00ff
+palette = 14=#00ffff
+palette = 15=#ffffff
+
+{{ if eq .chezmoi.os "darwin" -}}
+macos-option-as-alt = true
+
+keybind = super+d=text:\x02%
+keybind = super+shift+d=text:\x02"
+keybind = super+c=text:\x02[
+keybind = super+e=text:\x02\x20
+keybind = super+shift+e=text:\x02Q
+keybind = super+f=text:\x02\x06
+keybind = super+l=text:\x02s
+keybind = super+shift+l=text:\x02w
+keybind = super+o=text:\x02R
+keybind = super+p=text:\x02\x10
+keybind = super+shift+p=text:\x02\x14
+keybind = super+r=text:\x02r
+keybind = super+s=text:\x02e
+keybind = super+shift+r=text:\x02\x12
+keybind = super+shift+s=text:\x02\x13
+keybind = super+t=text:\x02c
+keybind = super+w=text:\x02x
+keybind = super+x=text:\x02x
+keybind = super+shift+w=text:\x02d
+keybind = super+z=text:\x02z
+keybind = super+left=text:\x02h
+keybind = super+down=text:\x02j
+keybind = super+up=text:\x02k
+keybind = super+right=text:\x02l
+keybind = super+shift+left=text:\x02\x08
+keybind = super+shift+down=text:\x02\x09
+keybind = super+shift+up=text:\x02\x0b
+keybind = super+shift+right=text:\x02\x0c
+keybind = super+shift+alt+up=text:\x02{
+keybind = super+shift+alt+down=text:\x02}
+keybind = super+[=text:\x02\x09
+keybind = super+]=text:\x02\x1d
+keybind = super+shift+[=text:\x02p
+keybind = super+shift+]=text:\x02n
+keybind = super+shift+alt+[=text:\x02\x18
+keybind = super+shift+alt+]=text:\x02\x19
+keybind = super+space=text:\x02\x20
+keybind = super+1=text:\x021
+keybind = super+2=text:\x022
+keybind = super+3=text:\x023
+keybind = super+4=text:\x024
+keybind = super+5=text:\x025
+keybind = super+6=text:\x026
+keybind = super+7=text:\x027
+keybind = super+8=text:\x028
+keybind = super+9=text:\x029
+{{- end }}
diff --git a/dot_config/tmux/tmux.conf b/dot_config/tmux/tmux.conf
index 40c2888d4..7272f7ea8 100644
--- a/dot_config/tmux/tmux.conf
+++ b/dot_config/tmux/tmux.conf
@@ -20,7 +20,7 @@ set -g status-interval 1
 # True color化対応
 set -g default-terminal "screen-256color"
 # set -g default-terminal "tmux-256color" # tmux-256colorではMacOSでは表示崩れがあったため
-set -ag terminal-overrides ",alacritty:RGB,rio:Tc"
+set -ag terminal-overrides ",alacritty:RGB,rio:Tc,wezterm:RGB,xterm-256color:RGB,xterm-ghostty:RGB,ghostty:RGB"
 
 # tmuxを経由して実際のターミナルに直接エスケープシーケンスを送信できるようにする
 set -g allow-passthrough on
diff --git a/dot_config/wezterm/wezterm.lua b/dot_config/wezterm/wezterm.lua
new file mode 100644
index 000000000..b46e04920
--- /dev/null
+++ b/dot_config/wezterm/wezterm.lua
@@ -0,0 +1,135 @@
+local wezterm = require "wezterm"
+
+local config = wezterm.config_builder and wezterm.config_builder() or {}
+local is_darwin = wezterm.target_triple:find("darwin") ~= nil
+
+wezterm.on("gui-startup", function(cmd)
+  local tab, pane, window = wezterm.mux.spawn_window(cmd or {})
+  window:gui_window():maximize()
+end)
+
+local keys = {}
+
+local function send_string_binding(key, mods, value)
+  table.insert(keys, {
+    key = key,
+    mods = mods,
+    action = wezterm.action.SendString(value),
+  })
+end
+
+config.term = "xterm-256color"
+config.front_end = "WebGpu"
+config.webgpu_power_preference = "HighPerformance"
+config.font = wezterm.font("HackGen35 Console NF")
+config.font_size = 11.0
+config.window_background_opacity = 0.95
+config.window_decorations = "RESIZE"
+config.window_close_confirmation = "NeverPrompt"
+config.window_padding = {
+  left = 0,
+  right = 0,
+  top = 0,
+  bottom = 0,
+}
+config.hide_tab_bar_if_only_one_tab = true
+config.use_fancy_tab_bar = false
+config.disable_default_key_bindings = true
+config.colors = {
+  foreground = "#ffffff",
+  background = "#191724",
+  cursor_bg = "#ffffff",
+  cursor_fg = "#E0DEF4",
+  ansi = {
+    "#000000",
+    "#fe0100",
+    "#33ff00",
+    "#feff00",
+    "#0066ff",
+    "#cc00ff",
+    "#00ffff",
+    "#d0d0d0",
+  },
+  brights = {
+    "#808080",
+    "#fe0100",
+    "#33ff00",
+    "#feff00",
+    "#0066ff",
+    "#cc00ff",
+    "#00ffff",
+    "#ffffff",
+  },
+}
+
+if is_darwin then
+  config.default_prog = { "/bin/zsh", "--login" }
+  config.send_composed_key_when_left_alt_is_pressed = false
+  config.send_composed_key_when_right_alt_is_pressed = false
+
+  send_string_binding("d", "CMD", "\x02%")
+  send_string_binding("d", "CMD|SHIFT", '\x02"')
+  send_string_binding("c", "CMD", "\x02[")
+  send_string_binding("e", "CMD", "\x02 ")
+  send_string_binding("e", "CMD|SHIFT", "\x02Q")
+  send_string_binding("f", "CMD", "\x02\x06")
+  send_string_binding("l", "CMD", "\x02s")
+  send_string_binding("l", "CMD|SHIFT", "\x02w")
+  send_string_binding("o", "CMD", "\x02R")
+  send_string_binding("p", "CMD", "\x02\x10")
+  send_string_binding("r", "CMD", "\x02r")
+  send_string_binding("s", "CMD", "\x02e")
+  send_string_binding("r", "CMD|SHIFT", "\x02\x12")
+  send_string_binding("s", "CMD|SHIFT", "\x02\x13")
+  send_string_binding("t", "CMD", "\x02c")
+  send_string_binding("w", "CMD", "\x02x")
+  send_string_binding("w", "CMD|SHIFT", "\x02d")
+  send_string_binding("z", "CMD", "\x02z")
+  send_string_binding("LeftArrow", "CMD", "\x02h")
+  send_string_binding("DownArrow", "CMD", "\x02j")
+  send_string_binding("UpArrow", "CMD", "\x02k")
+  send_string_binding("RightArrow", "CMD", "\x02l")
+  send_string_binding("LeftArrow", "CMD|SHIFT", "\x02\x08")
+  send_string_binding("DownArrow", "CMD|SHIFT", "\x02\x09")
+  send_string_binding("UpArrow", "CMD|SHIFT", "\x02\x0b")
+  send_string_binding("RightArrow", "CMD|SHIFT", "\x02\x0c")
+  send_string_binding("UpArrow", "CMD|SHIFT|OPT", "\x02{")
+  send_string_binding("DownArrow", "CMD|SHIFT|OPT", "\x02}")
+  send_string_binding("[", "CMD", "\x02\x09")
+  send_string_binding("]", "CMD", "\x02\x1d")
+  send_string_binding("{", "CMD|SHIFT", "\x02p")
+  send_string_binding("}", "CMD|SHIFT", "\x02n")
+  send_string_binding("{", "CMD|SHIFT|OPT", "\x02\x18")
+  send_string_binding("}", "CMD|SHIFT|OPT", "\x02\x19")
+  send_string_binding("Space", "CMD", "\x02 ")
+  send_string_binding("1", "CMD", "\x021")
+  send_string_binding("2", "CMD", "\x022")
+  send_string_binding("3", "CMD", "\x023")
+  send_string_binding("4", "CMD", "\x024")
+  send_string_binding("5", "CMD", "\x025")
+  send_string_binding("6", "CMD", "\x026")
+  send_string_binding("7", "CMD", "\x027")
+  send_string_binding("8", "CMD", "\x028")
+  send_string_binding("9", "CMD", "\x029")
+  table.insert(keys, {
+    key = "v",
+    mods = "CMD",
+    action = wezterm.action.PasteFrom("Clipboard"),
+  })
+  table.insert(keys, {
+    key = "p",
+    mods = "CMD|SHIFT",
+    action = wezterm.action.ActivateCommandPalette,
+  })
+  table.insert(keys, {
+    key = "q",
+    mods = "CMD",
+    action = wezterm.action.QuitApplication,
+  })
+else
+  config.default_prog = { "wsl.exe", "~", "-d", "Ubuntu-20.04" }
+end
+
+config.keys = keys
+
+return config
diff --git a/dot_config/zsh/dot_zshrc b/dot_config/zsh/dot_zshrc
index 0b7cbb7b3..caca02526 100644
--- a/dot_config/zsh/dot_zshrc
+++ b/dot_config/zsh/dot_zshrc
@@ -1,7 +1,22 @@
 # cSpell:disable
 
 # launch tmux when start zsh
-if { [ "$TERM" = "alacritty" ] || [ "$TERM" = "rio" ] } && command -v tmux &> /dev/null && [ -z "$TMUX" ]; then
+should_auto_attach_tmux=0
+
+case "${TERM:-}" in
+  alacritty|rio|ghostty|xterm-ghostty)
+    should_auto_attach_tmux=1
+    ;;
+  *)
+    case "${TERM_PROGRAM:-}" in
+      WezTerm|ghostty|Ghostty)
+        should_auto_attach_tmux=1
+        ;;
+    esac
+    ;;
+esac
+
+if [ "$should_auto_attach_tmux" -eq 1 ] && command -v tmux &> /dev/null && [ -z "$TMUX" ]; then
   tmux attach || tmux
 fi
 
diff --git a/run_once_install-packages_mac.sh b/run_once_install-packages_mac.sh
index 578d97f49..1242eb368 100644
--- a/run_once_install-packages_mac.sh
+++ b/run_once_install-packages_mac.sh
@@ -50,6 +50,7 @@ install_cask_package() {
     dbeaver-community
     docker
     firefox
+    ghostty
     google-chrome
     google-japanese-ime
     karabiner-elements
@@ -59,6 +60,7 @@ install_cask_package() {
     thock
     thebrowsercompany-dia
     visual-studio-code
+    wezterm@nightly
     zoom
   )