@charset "UTF-8";

.main-area h1 {
	margin-top: 0;
}
.background {
	width: 100%;
	height: 100% !important;
	aspect-ratio: auto;
	position: absolute;
	display: block;
	top: 0;
	left: 0;
	z-index: 0;
}

.btn-totop {
	margin-top: 0.7em;
	text-align: center;
	position: relative;
	z-index: 2;
}

.btn-totop a {
	font-size: 1rem;
	font-size: min(1.1vw, 1rem);
	padding: 1em 1.5em;
	display: inline-block;
	background: rgba(56, 56, 56, 0.9);
	border-radius: 0.8em;
	border: 1px solid rgba(255, 255, 255, 0.5);
	letter-spacing: 0.1em;
}

.btn-totop a:hover {
	opacity: 0.7;
}

.btn-totop a::before {
	content: "";
	width: 0.5em;
	height: 0.5em;
	margin-right: 0.8em;
	border-bottom: 2px solid #fff;
	border-left: 2px solid #fff;
	display: inline-block;
	vertical-align: middle;
	/* position: absolute;
	top: 50%;
	left: 1.5em; */
	transform: translateY(-13%) rotateZ(45deg);
}

.contents-area + .btn-totop a {
	display: none;
}

@media (max-width: 768px) {
	.contents-area + .btn-totop a {
		font-size: 0.9375rem;
		width: 85%;
		padding: 1.5em 1em;
		margin: 0 auto;
		display: block;
	}
}

/* --------------------------------------------------

side-area

-------------------------------------------------- */

.side-area .ttl-usecase {
	color: #fff;
	font-weight: bold;
	font-size: 1.0625rem;
	font-size: min(1.2vw, 1.0625rem);
	margin-bottom: 1em;
	padding: 3.5em 1em 3.4em;
	text-align: center;
	background: #0d1a31;
	border-radius: 0.5em;
}

.side-area .ttl-usecase span {
	font-size: 3.6875rem;
	font-weight: 400;
	margin-bottom: 0.2em;
	line-height: 1;
	letter-spacing: 0.1em;
	font-family: "Bebas Neue";
	display: block;
}

.side-area .ttl-usecase span img {
	max-width: 220px;
	width: min(15vw, 220px);
}

@media all and (-ms-high-contrast: none) {
	.side-area .ttl-usecase span img {
		height: 41px;
	}
}

@media (max-width: 768px) {
	.side-area .ttl-usecase {
		font-size: 0.75rem;
		padding: 1.5em 1em;
		margin-bottom: 0.5em;
	}
	.side-area .ttl-usecase span {
		margin: 0 0.7em 0 0;
		font-size: inherit;
		display: inline-block;
		vertical-align: middle;
	}
	.side-area .ttl-usecase span img {
		width: 100px;
	}
}

.side-area .menu-usecase-wrap {
	position: sticky;
	top: 140px;
}

/* .side-area .menu-usecase-wrap.fixed {
	max-height: 100vh;
	width: 1500px;
	overflow-y: auto;
	position: fixed;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
} */

.side-area .menu-usecase-wrap.fixed .menu-usecase {
	width: 25%;
	min-width: 250px;
}

@media (max-width: 1500px) {
	.side-area .menu-usecase-wrap.fixed {
		width: 100%;
	}
}

@media (max-width: 768px) {
	.side-area .menu-usecase-wrap.fixed {
		width: 92%;
		overflow-y: scroll;
		max-height: 100vh;
		position: fixed;
		top: 0;
		z-index: 10;
	}
	.side-area .menu-usecase-wrap.fixed .menu-usecase {
		width: 100%;
	}
}

.side-area .menu-usecase dt {
	color: #fff;
	font-weight: bold;
	font-size: 1.5625rem;
	font-size: min(1.3vw, 1.5625rem);
	padding: 1.1em;
	background: rgba(3, 0, 96, 0.95);
	display: flex;
	align-items: center;
	justify-content: center;
	letter-spacing: 0.1em;
}

.side-area .menu-usecase dt span {
	font-size: 1.1875rem;
	font-size: min(1vw, 1.1875rem);
	margin-right: 1.2em;
	padding: 0.2em 0.5em;
	background: rgba(255, 255, 255, 0.2);
	display: inline-block;
	vertical-align: middle;
	letter-spacing: 0.2em;
}

.side-area .menu-usecase dd {
	margin-bottom: 0.5em;
}

@media (max-width: 768px) {
	.side-area .menu-usecase {
		display: none;
	}
	.side-area .menu-usecase dt {
		font-size: 0.75rem;
	}
	.side-area .menu-usecase dt span {
		font-size: 0.75rem;
	}
}

.side-area .menu-usecase dd ul li a {
	font-size: 1.0625rem;
	font-size: min(1vw, 0.9375rem);
	padding: 1.5em 3em 1.5em 1em;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	background: rgba(3, 0, 96, 0.85);
	display: block;
	position: relative;
}

@media (max-width: 768px) {
	.side-area .menu-usecase dd ul li a {
		font-size: 0.75rem;
	}
}

.side-area .menu-usecase dd ul li a:hover,
.side-area .menu-usecase dd ul li a.active {
	background: #e60012;
}

.side-area .menu-usecase dd ul li a:after {
	content: "";
	width: 1.5em;
	height: 1.5em;
	background: url(/img/qt-innovation/local5g/arrow_circle.svg) no-repeat center
		center/contain;
	display: block;
	position: absolute;
	top: 50%;
	right: 1em;
	transform: translateY(-50%);
}

.side-area .menu-usecase dd ul li:last-child a {
	border: none;
}

.side-area .menu-usecase-wrap .btn-menu-5g {
	display: none;
}

.side-area .menu-usecase-wrap .btn-menu-5g {
	width: 100%;
	color: #fff;
	font-size: 1.0625rem;
	padding: 0.7em;
	margin: 0 auto 0.5em;
	background: #040074;
	font-family: "Bebas Neue";
	border: none;
	border-radius: 0.5em;
	letter-spacing: 0.2em;
	position: relative;
	text-align: center;
}

.side-area .menu-usecase-wrap .btn-menu-5g::before {
	content: "";
	width: 0.5em;
	height: 0.5em;
	margin-right: 0.8em;
	border-right: 3px solid #fff;
	border-bottom: 3px solid #fff;
	display: inline-block;
	vertical-align: middle;
	position: absolute;
	top: 48%;
	left: 1.5em;
	transform: translateY(-50%) rotateZ(45deg);
}

.side-area .menu-usecase-wrap .btn-menu-5g.active::before {
	content: "";
	width: 0.5em;
	height: 0.5em;
	margin-right: 0.8em;
	border: none;
	border-left: 3px solid #fff;
	border-top: 3px solid #fff;
	display: inline-block;
	vertical-align: middle;
	position: absolute;
	top: 48%;
	left: 1.5em;
	transform: translateY(-50%) rotateZ(45deg);
}

@media (max-width: 768px) {
	.side-area .menu-usecase dd .btn-totop {
		display: none;
	}
	.side-area .menu-usecase-wrap .btn-menu-5g {
		display: block;
	}
	.side-area .menu-usecase-wrap .btn-menu-5g.active {
		width: 15em;
		border-radius: 0 0 0.5em 0.5em;
	}
}

/* --------------------------------------------------

contents-area

-------------------------------------------------- */

.contents-area {
	/* width: 65%; */
	padding: 2em;
	margin-left: 1em;
	background-color: rgba(58, 58, 58, 0.9);
	/* flex: 1; */
}

.contents-area p:not(.txt-partner):not(.txt-sub) {
	font-size: 1rem;
	line-height: 2;
}

.contents-area p a:link {
	text-decoration: underline !important;
}

.contents-area p a:hover {
	text-decoration: none !important;
}

.contents-area h3.ttl-main {
	font-size: 2.5rem;
	font-weight: bold;
	margin-bottom: 1em;
	letter-spacing: 0.1em;
}

@media (max-width: 768px) {
	.contents-area p:not(.txt-partner):not(.txt-sub) {
		font-size: 0.9375rem;
		line-height: 2;
	}

	.contents-area h3.ttl-main {
		font-size: 1.0625rem;
		margin-bottom: 2em;
	}
}

.contents-area h3.ttl-main:after {
	content: "";
	width: 1.7em;
	height: 0.15em;
	margin-top: 0.5em;
	background: #fff;
	display: block;
}

.contents-area .txt-partner {
	font-weight: bold;
	font-size: 0.9375rem;
	margin-bottom: 3em;
	text-align: right;
}

@media (max-width: 768px) {
	.contents-area .txt-partner {
		font-size: 0.75rem;
		font-weight: normal;
	}
}

.contents-area .txt-sub {
	font-size: 1.625rem;
	font-weight: bold;
	margin-bottom: 1.3em;
}

@media (max-width: 768px) {
	.contents-area .txt-sub {
		font-size: 1rem;
		line-height: 1.8;
	}
}

.contents-area .txt-sub span {
	font-size: 0.9375rem;
	vertical-align: top;
}

@media (max-width: 768px) {
	.contents-area .txt-sub span {
		font-size: 0.625rem;
		line-height: 1.8;
	}
}

.contents-area .ph-use {
	margin-top: 2em;
	text-align: center;
	position: relative;
}

.contents-area .ph-use img {
	max-width: 100%;
}

.contents-area .ph-mb {
	margin-bottom: 3em;
}

#contents-5g .contents-area .ph-use a {
	color: #000;
	font-size: 1rem;
	font-weight: bold;
	text-decoration: underline;
	display: block;
	position: absolute;
	right: 22em;
	bottom: 2.4em;
}

#contents-5g .contents-area .ph-use a::after {
	content: "";
	width: 0.9em;
	height: 0.9em;
	margin-left: 0.3em;
	display: inline-block;
	background: url(/img/qt-innovation/local5g/icon_link.svg) no-repeat center center/contain;
	vertical-align: middle;
}

@media (max-width: 768px) {
	#contents-5g .contents-area .ph-use a::before {
		content: "";
		width: 10px;
		height: 10px;
	}
	#contents-5g .contents-area .ph-use a {
		font-size: 0.875rem;
		right: 35%;
		left: auto;
		bottom: 1.7%;
		letter-spacing: 0;
	}
}

@media (max-width: 420px) {
	#contents-5g .contents-area .ph-use a::before {
		content: "";
		width: 10px;
		height: 10px;
	}
	#contents-5g .contents-area .ph-use a {
		font-size: 0.5rem;
		right: auto;
		left: 6%;
		bottom: 1.5%;
		letter-spacing: -0.1em;
	}
}

img {
	max-width: 100%;
}