loginWithInviteAndUsername()">
              Join
            </button>
                        <button x-show="usernameExist" class="nes-btn mt-2" type="button" @click="createNewUser()">
              Use Another Nickname
            </button>
                    </div>
                </div>
            </div>
            <!-- register end -->

            <!-- chatroom -->
            <div class="nes-container with-title is-centered" x-show="!isShowChatRoom && isShowButton">
                <p class="tit