header.php

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>客観See</title>
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/css/all.min.css">
	<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Serif+JP&display=swap">
	<link rel="stylesheet" href="jquery.confirm/jquery.confirm.css">
	<link rel="stylesheet" href="css/style.css">
</head>
<body>

<header>
	<h1>客観See</h1>
</header>