@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro&display=swap');

body, html {
	padding: 0;
	margin: 0;
	font-size: 13px;
	background: #008776;
	color: white;
	font-family: "ＭＳ Ｐゴシック";
}

img {
	max-width: 100%;
}

.page {
	padding: 24px;
}

.page h1:first-child {
	margin-top: 0;
}

.header-image {
	height: 200px;
	margin: auto;
	display: block;
}

.wrapper {
	margin: auto;
	margin-top: 24px;
	width: 753px;
}

.menu {
	text-align: center;
	margin-bottom: 24px;
	margin-top: 24px;
}

.menu a {
	color: lime;
}

.main {
	height:560px;
	width: 1020px;
	background-image: url('backgroundaol.png');
	position: relative;
	right: 120px;
}

.main iframe {
	border: none;
	border: none;
	position: absolute;
	top: 42px;
	left: 19px;
	width: 989px;
	height: 495px;
}

h1, h2, h3, h4, h5 {
	font-size: 12px;
		font-family: "ＭＳ Ｐゴシック";
}

h1 {
	border-bottom: 1px solid lime;
}

h2 {
	border-bottom: 1px dotted lime;
}

a {
	color: red;
}

		#postbox-icon {
			position: fixed;
			top: 50px;
			left: 50px;
			text-align: center;
			cursor: pointer;
			color: black;
			text-decoration: none;
			font-family: sans-serif;
			font-size: 12px;
		}
		#postbox-icon img {
			width: 120px;   /* smaller */
			height: 120px;  /* smaller */
			display: block;
			margin: 0 auto;
		}