<nav class="navbar navbar-expand-lg navbar-light bg-light mb-5">
<div class="container">
<%= link_to "Myブック", root_path, class: "navbar-brand" %>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav navbar-right ms-auto me-2">
<li class="nav-item"><%= link_to "本を追加する", "#", class: "nav-link" %>
<li class="nav-item"><%= link_to "ログインする", "#", class: "nav-link" %>
</ul>
</div>
</div>
</nav>