tmux.conf

set-option -sa terminal-overrides ",xterm*:Tc"
set -g mouse on

# Start windows and panes at 1, not 0
set -g base-index 1
set -g pane-base-index 1
set-window-option -g pane-base-index 1
set-option -g renumber-windows on

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'

set-window-option -g mode-keys vi
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi C-v send-keys -X rectangle-toggle
bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel

# use C-Space as Prefix
unbind C-b
set -g prefix C-Space
bind Space send-prefix

# Prefix+- で横に、Prefix+| で縦に分割（ペイン）する
bind-key | split-window -h -c "#{pane_current_path}"
bind-key - split-window -v -c "#{pane_current_path}"

# Prefix+hjkl でペイン移動
bind-key h select-pane -L
bind-key j select-pane -D
bind-key k select-pane -U
bind-key l select-pane -R

# ペインサイズを上下左右（Prefix+JKHL）に変更
# Prefix+J,J,J,J,...と連打してリサイズ可能
bind-key -r H resize-pane -L 5
bind-key -r J resize-pane -D 5
bind-key -r K resize-pane -U 5
bind-key -r L resize-pane -R 5

run '~/.tmux/plugins/tpm/tpm'