<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>BMI計算機</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous"> </head>
<body>
<header>
<nav class="navbar navbar-dark bg-dark">
<div class="container">
<a href="#" class="navbar-brand">BMI計算機</a>
</div>
</nav>
</header>
<main>
<div class="container">
<div class="row">
<section class="col-sm-6 col-md-4 pt-4">
<div class="form-group">
<label for="height">身長 (cm)</label>
<input id="height-input" type="text" class="form-control" value="">
</div>
<div class="form-group">
<label for="weight">体重 (kg)</label>
<input id="weight-input" type="text" class="form-control" value="">
</div>
<input id="button-submit" type="submit" class="btn btn-primary btn-large" value="計測開始">
</section>
<section class="col-sm-6 col-md-4 pt-4">
<div class="card">
<div class="card-header">
あなたのBMIは
</div>
<div class="card-body">
<div id="bmi-output" class="display-4"></div>
</div>
</div>
</section>
</div>
</div>
</main>
<script src="main.js"></script>
</body>
</html>