* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html, body {
	height: 100%;
}
html {
	font-family: Arial, Verdana, Helvetica, sans-serif;
	font-size: 14px;
}
header, main, footer, article, section, nav, aside {
	display: block;
}
div, form, h1, h2, h3, h4, h5, h6, p, fieldset, dl, dt, dd, table, tr, td, ul, ol, li {
	white-space: normal;
}

/* --- */
body > header {
	position: fixed;
	width: 100%;
	background-color: white;
	padding: 0.5em;
	border-bottom: 1px solid #d0d0bf;
	z-index: 99;
}
div#page-header {
	display: inline-flex;
	flex-flow: row nowrap;
	align-items: flex-start;
	cursor: pointer;
}
div#head-logo {
	width: 132px;
	height: 132px;
	background-image: url('imgs/logo-central.png');
	background-repeat: no-repeat;
	background-position: center;
	background-size: contain;
}
div#head-moto {
	padding-left: 1em;
}
div#head-moto h1 {
	font-size: 6em;
	line-height: 1.2em;
	font-family: Verdana;
	font-weight: normal;
	text-align: right;
}
div#head-moto h2 {
	font-size: 2em;
	line-height: 1em;
	padding-right: 0.2em;
	font-family: Verdana;
	font-weight: normal;
	text-align: right;
}

main {
	padding-top: calc(151px + 1em);
	min-height: 100%;
	max-width: 90%;
	margin: 0 auto;
	overflow: hidden;
}
main ul {
	list-style-type: none;
	display: flex;
	flex-flow: row wrap;
	align-items: stretch;
	justify-content: center;
	margin: 0 -1em;
}
main ul li {
	padding: 1em;
	flex-basis: 25%;
}
main article {
	width: 100%;
	height: 100%;
	display: flex;
	flex-flow: column nowrap;
	align-items: center;

	cursor: pointer;
	border: 1px solid #d0d0bf;
	border-radius: 1em;
	padding: 1em;
}
main article header {
	position: relative;
	width: 100%;
	padding-bottom: 100%;
}
main article header p {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-repeat: no-repeat;
	background-position: center center;
	background-size: contain;
}
main article#central-wirtanen-sp header p {
	background-image: url('imgs/speedernet.png');
}
main article#central-gosparks-sp header p {
	background-image: url('imgs/gosparks.png');
}
main article#central-gaia-sp header p {
	background-image: url('imgs/gaia.png');
}
main article#central-gaia-azure-sp header p {
	background-image: url('imgs/gaia.png');
}
main article section {
	padding: 1em 0;
	padding-bottom: 0;
}


@media screen and (max-width: 720px){
	body > header {
		padding: 0.25em;
	}
	div#head-logo {
		width: 64px;
		height: 64px;
	}
	div#head-moto h1 {
		font-size: 3em;
		line-height: 1.2em;
		font-family: Verdana;
		font-weight: normal;
		text-align: right;
	}
	div#head-moto h2 {
		font-size: 1em;
		line-height: 1em;
		padding-right: 0.2em;
		font-family: Verdana;
		font-weight: normal;
		text-align: right;
	}

	main {
		padding-top: calc(76px + 1em);
		max-width: unset;
	}
	main ul {
		display: block;
		max-width: 420px;
		margin: 0 auto;
	}
}