<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.7.1/font/bootstrap-icons.css">
  <link rel="stylesheet" href="css/bootmosya.css">
  <title>Document</title>
</head>
<body>
    <!-- sticky-top 画面の固定 -->
    <nav class="navbar navbar-expand-lg navbar-light bg-white shadow-sm sticky-top">
      <!-- ウィンドウサイズかえても常に画面いっぱいに広がる -->
      <div class="container-fluid">
        <a class="navbar-brand" href="#">いのぷろ</a>
        <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 me-auto mb-2 mb-lg-0">
            <li class="nav-item">
              <a class="nav-link active" aria-current="page" href="#">Home</a>
            </li>
            <li class="nav-item">
              <a class="nav-link" href="#">Link</a>
            </li>
            <li class="nav-item">
              <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
            </li>
          </ul>
          <form class="d-flex">
            <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
            <button class="btn btn-outline-success" type="submit">Search</button>
          </form>
        </div>
      </div>
    </nav>
    <!-- px左右のパディング py上下のパディング -->
    <div class="px-3 py-5 top-img">
      <div class="container text-white">
        <h1>tesuto</h1>
        <p>bootstlapテスト</p>
      </div>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>  

</body>
</html>
.top-img {
  background-image: url("https://inopro.jpn.org/wp-content/uploads/2021/12/img_1639762492.jpg");
  background-size: cover;
  background-position: center 30%;
}

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