command /costom:
    trigger:
        wait 1 ticks
        open chest with 6 row named "武器の選択" to player
        format slot 0 of player with black stained glass pane to close
        format slot 1 of player with black stained glass pane to close
        format slot 2 of player with black stained glass pane to close
        format slot 3 of player with black stained glass pane to close
        format slot 4 of player with black stained glass pane to close
        format slot 5 of player with black stained glass pane to close
        format slot 6 of player with black stained glass pane to close
        format slot 7 of player with black stained glass pane to close
        format slot 8 of player with black stained glass pane to close
        format slot 9 of player with black stained glass pane to close
    if player has permission "sk.ak47":
        format slot 2 of player with wood sword named "&6AK-47" to close then run [execute console command "/scoreboard players set %player% main 7"]
    else:
        format slot 10 of player with black stained glass pane named "&c未開放" to close
        stop
on right click holding book:
    name of held item contains "&e解放の書"
    execute console command "pex user %player% add sk.ak47"