* {
	box-sizing: border-box;
}

img {
	max-width: 100%;
}

html {
	margin: 0;
	padding: 0;
}

body {
	margin: 0;
	padding: 0;
	color: #525354;
	background-color: white;

	font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, Verdana, Meiryo, "M+ 1p", sans-serif;
	font-weight: 500;
}

em {
	color: #929C15;
	font-weight: bold;
	font-style: normal;
}

.download {
	display: inline-block;
	width: 200px;
}

.links {
	text-align: right;
	padding: 10px;
}

.share {
	display: inline-block;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	overflow: hidden;
}

.share img {
	width: 100%;
	height: 100%;
}

.twitter {
	padding: 6px;
	background-color: #1DA1F2;
}

.facebook {
	padding: 10px;
	background-color: #3b5998;
}

header {
	background: url("./images/bg_main.jpg");
	background-color: #89AED0;
	background-size: cover;
	background-repeat: no-repeat;
	color: white;
	overflow: hidden;
}

header .header-inner {
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

header .main {
	width: 42%;
	margin: 0 auto;
	padding: 80px 0 60px;
	text-align: center;
	text-shadow: 1px 1px 3px #000;
}

header .main p {
	margin: 1em 0 2em;
}

.screenshot {
	position: absolute;
	bottom: 0;
	left: 2%;
	width: 30%;
	max-height: 90%;
	overflow: hidden;
}

.screenshot img {
	width: 100%;
	max-width: 400px;
}

.about {
	display: -webkit-flex;
	display: flex;
	justify-content: center;
	flex-wrap: wrap;

	padding: 60px 0;
}

.about .icon {
	padding: 10px 20px;
}

.about .icon img {
	width: 146px;
}

.about .description {
	text-align: center;
	font-size: 150%;
	padding: 10px 20px;
	min-width: 320px;
}

.features {
	padding: 60px 20px;
	color: white;
	background: linear-gradient(to bottom, #255E7C, #13456C);
	background-color: #255E7C;
}

.features-inner {
	display: -webkit-flex;
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px
}

.features section {
	width: 30%;
	/*
	 Use flex-basis instead of min-width to avoid bug in Safari.
	 See http://qiita.com/hashrock/items/189db03021b0f565ae27
	 */
	flex-basis: 320px;
	text-align: center;
	padding: 10px;
}

.features section p {
	text-align: left;
}

.features a {
	color: #929C15;
}

.features h2 {
	font-weight: 500;
}

.get_started {
	text-align: center;
	padding: 20px;
}

.get_started h2 {
	color: #929C15;
}

footer {
	padding: 50px 0;
	text-align: center;
	background: #BFC1C2;
	color: #868788;
}

@media only screen and (max-width: 767px) and (min-width: 480px) {
	header .main {
		width: 60%;
		margin: 0 10% 0 33%;
	}
}

@media only screen and (max-width: 479px) {
	header .main {
		width: 80%;
		padding: 2% 0 4%;
	}

	.screenshot {
		position: static;
		width: 70%;
		margin: 0 auto;
		max-height: 300px;
	}

	.about br {
		display: none;
	}
}