         <input class="form-control mr-sm-2" type="text" placeholder="Search">
                <button class="btn btn-secondary my-2 my-sm-0" type="submit">検索</button>
              </form>
            </div>
          </nav>
        </div>

        <div class="bs-component">
          <nav class="navbar navbar-expand-lg navbar-light bg-light">
            <a class="navbar-brand" href="#">サイト</a>
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarCo