@charset "utf-8";

/* リセット	*/
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li,fieldset, form, label, legend,table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {	
	margin: 0;
	padding: 0;
	border: 0;
	font: inherit;
	vertical-align: baseline;
	line-height: 1;
}
button{
	background-color: transparent;
	border: none;
	cursor: pointer;
	outline: none;
	padding: 0;
	appearance: none;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, picture, footer, header, hgroup, menu, nav, section {
	display: block;
}
html {
	/* smooth scroll css */
	scroll-behavior: smooth;
}
.font-sans {
  font-family: "Noto Sans JP", sans-serif;
	font-optical-sizing: auto;
}
.font-serif {
  font-family: "Noto Serif JP", serif;
	font-optical-sizing: auto;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
img {
	vertical-align: bottom;
  max-width:100%;
}
*, *:before, *:after {
	box-sizing: border-box;
}

/* general framework */
html,
body {
	width: 100%;
  color:#333;
}
html {
	font-size: 62.5%; /* font-sizeは16pxの62.5%の10px */
}

a{
  color:inherit;
	text-decoration: none;
}
.wrap {
	width: 100%;
	min-height: 100dvh;
	display: flex;
	flex-direction: column;
}

/* header */
.header {
	position: fixed;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 100%;
	height: 86px;
	padding: 15px 20px;
	background: rgba(255, 255, 255, .6);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	z-index: 99;
}
.header-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	max-width: 1200px;
	height: 100%;
	margin: 0 auto;
}
.header-logo {
	width: 200px;
}
.header-navi {
	height: 100%;
}
.header-navi-list {
	display: flex;
	height: 100%;
}
.header-navi-list li {
	height: 100%;
}
.header-navi-list li a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: fit-content;
	height: 100%;
	padding: 0 10px;
	color: #1C2027;
	font-weight: 700;
	transition: all .4s ease;
}
.header-navi-list li a:hover {
	background: rgba(0, 0, 0, .2);
	opacity: .8;
}
.header-navi-list li a[target="_blank"]::before {
	content:"";
	width: 16px;
	height: 16px;
	background: url(/sea-pulse/challenge/assets/img/common/ico_blank.svg) no-repeat;
	background-size: contain;
	background-position: center;
	box-shadow: 0 0 5px rgba(255, 255, 255, .5);
	margin-right: 5px;
}

/* footer */
.footer {
	width: 100%;
	margin-top: auto;
	z-index: 99;
}
.footer-links {
	width: 100%;
	max-width: 1200px;
	margin: 80px auto;
}
.footer-links-inner {
	padding: 0 72px;
}
.footer-links-ttl {
	font-size: 46px;
	font-weight: 700;
	color: #0F3CAA;
	text-align: center;
	letter-spacing: 10%;
	margin-bottom: 40px;
}
.footer-links-list {
	display: flex;
	gap: 10px;
}
.footer-links-list li {
	width: calc(100% / 3);
}
.footer-links-list a {
	display: block;
	overflow: hidden;
}
.footer-links-list a img {
	transform: scale(1.0);
	transition: all .4s ease;
}
.footer-links-list a:hover img {
	transform: scale(1.1);
}
.footer-copyright {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	height: 57px;
	background: #003273;
	font-size: 12px;
	text-align: center;
	color: #fff;
}

body#top .footer {
	background: #F4F7F8;
}
@media screen and (min-width: 971px) {
	.header-navi-menu-toggle {
		display: none;
	}
	.menu-overlay {
		display: none;
	}
}
@media screen and (max-width: 970px) {
	.header {
		display: flex;
		align-items: center;
		height: 75px;
		padding: 0 20px;
		z-index: 100;
	}
	.header-logo {
		z-index: 1;
	}
	.header-navi {
		position: fixed;
		top: 0;
		left: 0;
		width: 100vw;
		height: auto;
		transform: translateX(100%);
		transition: transform 0.4s ease;
		z-index: 0;
	}
	.header-navi.open {
		transform: translateX(0);
	}
	.header-navi-list {
		flex-direction: column;
		height: fit-content;
		background: #fff;
		padding: 80px 20px 15px;
		z-index: 1;
	}
	.header-navi-list li {
		height: 56px;
	}
	.header-navi-list li a {
		justify-content: flex-start;
		width: 100%;
		height: 100%;
	}
	.menu-overlay {
		display: block;
		position: fixed;
		top: 0;
		left: 0;
		width: 100vw;
		height: 100dvh;
		inset: 0;
		background: rgba(0, 0, 0, 0.5);
		z-index: 999;
		opacity: 0;
		visibility: hidden;
		transition: opacity 0.4s ease, visibility 0.4s ease;
		z-index: -1;
	}
	.menu-overlay.open {
		opacity: 1;
		visibility: visible;
	}
	.header-navi-menu-toggle {
		display: flex;
		position: relative;
		width: 45px;
		height: 45px;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		gap: 7px;
		border: none;
		background: #0F3CAA;
		cursor: pointer;
		z-index: 1;
	}
	.header-navi-menu-toggle span {
		display: block;
		width: 20px;
		height: 2px;
		background: #fff;
		transition: transform 0.3s ease, opacity 0.3s ease;
	}
	.header-navi-menu-toggle.open span:nth-child(1) {
		transform: translateY(9px) rotate(45deg);
	}
	.header-navi-menu-toggle.open span:nth-child(2) {
		opacity: 0;
	}
	.header-navi-menu-toggle.open span:nth-child(3) {
		transform: translateY(-9px) rotate(-45deg);
	}

	.footer-links-ttl {
		font-size: 30px;
	}
	.footer-links-inner {
		padding: 22.5px;
	}
	.footer-links-list {
		flex-direction: column;
		align-items: center;
	}
	.footer-links-list li {
		width: fit-content;
	}
}

@media screen and (min-width: 768px) {
	.pcNone {
		display: none!important;
	}
	.tbOnly {
		display: none!important;
	}
}
@media screen and (max-width: 767px) {
	.spNone {
		display: none!important;
	}
	.tbOnly {
		display: none!important;
	}
}
@media screen and (min-width: 768px) and (max-width: 970px) {
	.tbOnly {
		display: inherit!important;
	}
	.pcNone.tbOn {
		display: inherit!important;
	}
}