@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');


/* 全体
------------------------------------------------------------ */
* {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	font-family: "Noto Sans JP", sans-serif;
	margin: 0px;
	padding: 0px;
	line-height: 1.5;
	color: #333;
	-webkit-text-size-adjust: 100%;
}
*:before,
*:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
html {
	font-size: 62.5%;
    min-height: 100%;
}
body {
	font-size: 100%;
    min-height: 100vh;
}
body img {
	vertical-align: bottom;
	border-style: none;
	max-width: 100%;
    height: auto;
}
body img.full {
	width: 100%;
}

/* 大枠 */
#allcontents {
    background: url("../image/back_header.png") no-repeat center top;
    background-size: auto 50vw;
    min-height: 100vh;
    position: relative;
}
#allcontents:after {
    content: '';
    display: block;
    width: 100%;
    height: 50vh;
    background: url("../image/back_footer.png") no-repeat center bottom;
    background-size: 150%;
    position: absolute;
    left: 0px;
    bottom: 0px;
}

/* ヘッダ */
header {
    height: 50vw;
	margin-bottom: 5vw;
    padding: 10vw 30px 0;
	position: relative;
    background: url("../image/moon.png") no-repeat right 10vw;
    background-size: 20%;
}
header h1 {
    font-size: 6.5vw;
    font-weight: bold;
    color: #fff;
    text-align: center;
    padding-right: 7vw;
    margin-top: 0.7em;
	max-width: 1200px;
}

/* コンテンツ */
article {
	max-width: 1200px;
	clear: both;
	padding: 0px 30px 50px;
    margin: auto;
    text-align: center;
    position: relative;
}

.open_txt {
    font-size: 6.5vw;
    font-weight: bold;
    color: #042b58;
    text-align: center;
	position: relative;
	z-index: 20;
}

.open_img {
    margin-top: -10vw;
}

@media screen and (min-width: 768px) {
body {
    background-size: 1416px;
}
#allcontents {
    background-size: 1416px;
}
#allcontents:after {
    background-size: 1416px;
}
/* ヘッダ */
header {
    height: 360px;
	width: 768px;
	margin: 0 auto 70px;
    padding: 70px 0px 0;
	background-position: 100% 50px;
    background-size: 200px;
}
header h1 {
    font-size: 5rem;
    font-weight: bold;
    color: #fff;
    text-align: center;
    padding-right: 2em;
    margin-top: 0.7em;
	max-width: 1200px;
}
/* コンテンツ */
article {
	padding-bottom: 70px;
}
.open_txt {
    font-size: 5rem;
}
.open_img {
    margin: -70px auto 0;
	width: 710px;
}
}

@media screen and (min-width: 1200px) {
body {
    background-size: 1416px;
}
#allcontents {
    background-size: 1416px;
}
#allcontents:after {
    background-size: 1416px;
}
/* ヘッダ */
header {
	width: 1200px;
	margin: 0 auto 50px;
    padding: 70px 0px 0;
	background-position: 100% 10px;
    background-size: auto;
}
header h1 {
    font-size: 7.5rem;
    padding-right: 2em;
    margin-top: 0.3em;
	max-width: 1200px;
}
/* コンテンツ */
article {
}
.open_txt {
    font-size: 7.5rem;
}
.open_img {
    margin: -130px auto 0;
	width: auto;
}
}