@charset "UTF-8";

:root {
	--font-sans_serif: 'Noto Sans JP', "Hiragino Sans", "Hiragino Kaku Gothic ProN", 'メイリオ', Meiryo, sans-serif;
	--font-roboto_mono: "Roboto Mono", monospace;

	--color-black01: #231815;
	--color-gray01: #E7E7E7;
	--color-deep_blue01: #004098;
	--color-light_blue01: #008CD6;
	--color-yellow01: #fff100;
}

*, *::before, *::after {
	box-sizing: border-box;
}

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;
}

html {
	font-size: 62.5%;
	overflow: inherit !important;
}

body {
	font-family: var(--font-sans_serif);
	width: 100%;
	height: auto;
	background: var(--color-pale_purple);
	position: relative;
	font-size: 1.6rem;
	font-weight: 400;
	overflow: auto;
	letter-spacing: 0;
}

h2 {
	font-size: 3rem;
	font-weight: 700;
	line-height: 1.4;
}

h3 {
	font-size: 2.5rem;
	font-weight: 700;
	line-height: 1.5;
}

p {
	margin: 0;
	color: var(--color-gary);
	font-size: 1.6rem;
	line-height: 2;
	font-weight: 400;
}

ul, ol {
	list-style: none;
}

a {
	outline: none;
}

a, button {
	text-decoration: none;
	transition: opacity .4s ease, color .4s ease, background-color .4s ease;
	color: #333;
}

a:hover, button:hover {
	opacity: 0.56;
}

img {
	max-width: 100%;
	height: auto;
	vertical-align: middle;
}

strong {
	font-weight: inherit;
}

table {
	border-collapse: collapse;
	border-spacing: 0;
}

caption, th, td {
	text-align: left;
	font-weight: normal;
	vertical-align: middle;
}



/***************
   common   
****************/


@media screen and (min-width:768px) {
	html {
		font-size: clamp(5px, 0.96vw, 10px);
	}

	body {}
}

@media screen and (max-width:768px) {
	html {
		font-size: 10px;
		font-size: 2.56vw;
		/* basic // font-size 10px : width 390px */
	}

	body {
		font-size: 1.5rem;
	}


	p {
		font-size: 1.5rem;
	}

	img {
		width: 100%;
	}


}


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

	common

------------------------------ */
.body_inner {
	position: relative;
	background-color: transparent;
	opacity: 1;
	background-image: linear-gradient(to bottom, #DEF0F9 1px, transparent 1px), linear-gradient(to left, #DEF0F9 1px, transparent 1px);
	background-size: 14px 14px;
	overflow: hidden;
}

.sp_only {
	display: none;
}

.contents_wrapper {
	position: relative;
	max-width: 110rem;
	width: 100%;
	margin-right: auto;
	margin-left: auto;
}

.contents_wrapper__box {
	position: relative;
	display: block;
	background: #fff;
	max-width: 100rem;
	margin: 0 auto;
	padding: 8.7rem 6.2rem 9.6rem;
}

.center {
	text-align: center;
	margin-right: auto;
	margin-left: auto;
}

.bold {
	font-weight: 700;
}

.attention_text {
	font-size: 1.3rem;
	line-height: 1.4;
}

.heading {
	line-height: 1.4;
	text-align: center;
	margin: 0 auto 3.77rem;
}

.heading__sub {
	display: block;
	font-size: 2rem;
	font-weight: 500;
	margin-top: 3.7rem;
}

.heading_deco01::before {
	content: "";
	display: block;
	margin: 0 auto 3.0rem;
	width: 8.6rem;
	height: auto;
	aspect-ratio: 83/47;
	background-image: url(../img/icon/icon-tablet_pc.svg);
	background-repeat: no-repeat;
	background-size: contain;
}

.heading_deco01[data-icon="book"]::before {
	width: 7.3rem;
	aspect-ratio: 69/51;
	background-image: url(../img/icon/icon-book.svg);
}


.emphasis_text01 {
	--color: #fff10087;
	position: relative;
	display: inline;
	font-size: 1.02em;
	background: linear-gradient(transparent 0%, transparent 11%, var(--color) 0%, var(--color) 89%, transparent 0%, transparent 100%);
}



@media screen and (min-width:768px) {

	.sp_only {
		display: none !important;
	}
}

@media screen and (max-width:768px) {
	.sp_only {
		display: inline-block;
	}

	.pc_only {
		display: none !important;
	}


	.contents_wrapper {
		width: 89%;
		margin-right: auto;
		margin-left: auto;
	}

	.contents_wrapper__box {
		padding: 5.4rem 2.1rem 5.5rem;
	}

	.heading {
		margin: 0 auto 2.2rem;
	}

	.heading__sub {
		font-size: 1.76rem;
		margin-top: 1.8rem;
	}

}


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

	common parts

------------------------------ */
/*****   btn01   *****/
.btn01 {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	width: 100%;
	height: auto;
	max-width: 59rem;
	margin: 5rem auto;
	padding: 1.1em 1em 1.3em;
	border-radius: 1rem;
	box-shadow: 0 0.4rem 0.5rem rgba(0, 0, 0, 0.25);
	background: #fff;
	overflow: hidden;

	color: #fff;
	font-size: 2.44rem;
	font-weight: 700;
	z-index: 10;
	transition: color 0s;
}

.btn01::before,
.btn01::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translateX(-50%) translateY(-50%);
	border-radius: 1rem;
	transition: transform 0.44s ease, opacity 0.44s linear;
}

.btn01::before {
	width: 100%;
	height: 100%;
	background: linear-gradient(177.7deg, #fff 0%, #D1AC30 100%);
	z-index: -10;
}

.btn01::after {
	--border_width: 0.37rem;
	width: calc(100% - 2 * var(--border_width));
	height: calc(100% - 2 * var(--border_width));
	background: var(--color-light_blue01);
	z-index: -1;
}

.btn01:hover {
	opacity: 0.82;
	box-shadow: 0 0.4rem 0.5rem rgba(0, 0, 0, 0.22);
}

.btn01:hover::before {
	transform: translateX(-50%) translateY(-50%) rotateX(180deg) rotateY(180deg);
}


@media screen and (max-width:769px) {
	.btn01 {
		margin: 4rem auto 5.4rem;
		padding: 0.77em 1em 0.96em;
		font-size: 2rem;
		line-height: 1.45;
	}

	.btn01::after {
		--border_width: 0.25rem;
	}
}



/*****   visual_img   *****/
.visual_img_block {
	position: relative;
	width: 100%;
	margin: 0 auto;
	z-index: 10;
}

.visual_img_block img {
	width: 100%;
	max-height: 41rem;
	object-fit: cover;
}

.visual_img_block__inner {
	max-width: 1600px;
	margin-left: auto;
	margin-right: auto;
}

.visual_img_block__inner img {
	position: relative;
	display: block;
	width: fit-content;
	margin-left: 0;
	margin-right: auto;
	z-index: 10;
}

.visual_img_block__inner img[data-img="01"] {
	width: 44%;
	margin-left: auto;
	margin-right: 0;
}

.visual_img_block__inner img[data-img="02"] {
	width: 45%;
	margin-top: -20.4rem;
}

.visual_img_block01 {
	position: relative;
	z-index: 1;
}

.visual_img_block01 .deco_group img {
	position: absolute;
	height: auto;
	max-width: 10000px;
	z-index: 1;
}

.visual_img_block01 .deco_group img:nth-of-type(1) {
	top: 0;
	right: 0;
	width: 22.5rem;
	transform: translateX(10%) translateY(-100%);
}

.visual_img_block01 .deco_group img:nth-of-type(2) {
	top: 7.0rem;
	left: 0;
	transform: translateX(0%);
	width: 41.7rem;
}

.visual_img_block01 .deco_group img:nth-of-type(3) {
	top: 16.2rem;
	right: 7.6rem;
	width: 55rem;
}


@media screen and (max-width: 768px) {
	.visual_img_block__inner img[data-img="01"] {
		position: relative;
		right: -7%;
		width: 87.6%;
	}

	.visual_img_block__inner img[data-img="02"] {
		width: 82%;
		margin-top: 2.5rem;
	}

	.visual_img_block01 .deco_group img:nth-of-type(1) {
		top: 0;
		right: 0;
		width: 16.2rem;
		transform: translateX(32%) translateY(-125%);
	}

	.visual_img_block01 .deco_group img:nth-of-type(2) {
		top: 38.2rem;
		left: auto;
		right: 0;
		transform: translateX(10%);
		width: 16rem;
	}

	.visual_img_block01 .deco_group img:nth-of-type(3) {
		top: 11rem;
		right: auto;
		left: 0;
		width: 25rem;
	}

}



/*****   movie   *****/
.video_box01 {
	position: relative;
	width: 100%;
	height: auto;
	margin-left: auto;
	margin-right: auto;
	aspect-ratio: 1280/720;
}

.video_box01 iframe {
	width: 100%;
	height: 100%;
	border: none;
	background: #c7c7c7;
}



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

	.header

------------------------------ */
.header {
	position: relative;
	top: 0;
	right: 0;
	width: 100%;
	background: #fff;
}

.header__inner {
	position: relative;
	z-index: 10000;
	display: flex;
	align-items: stretch;
	justify-content: center;
	width: 96%;
	margin-left: auto;
	margin-right: auto;
	column-gap: 2.62em;
}

.header__logo {
	display: flex;
	align-items: center;
	width: 14em;
	padding-top: 1.4rem;
}



.header_link_list {
	display: flex;
	align-items: stretch;
	justify-content: space-between;
}

.header_link_list__item--inner {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 3.4rem 1em 2.5rem;
	font-size: 1.55rem;
	font-weight: 500;
	line-height: 1.5;
}



/* hamburger_btn */
.header .hamburger_btn {
	--hamburger-size: 8.2rem;
	display: flex;
	align-items: center;
	justify-content: center;
	width: var(--hamburger-size);
	height: var(--hamburger-size);
	background: transparent;
	z-index: 9992;
}

.header .hamburger_btn {
	position: absolute;
	top: -0.5rem;
	right: 0;
	cursor: pointer;
}

.header .hamburger_btn span,
.header .hamburger_btn::before,
.header .hamburger_btn::after {
	--color: var(--color-deep_blue01);
	--position: 0;
	content: "";
	position: absolute;
	top: var(--position);
	left: 50%;
	transform: translateY(-50%) translateX(-50%);
	display: block;
	width: 62%;
	height: 0.59rem;
	background: var(--color);
	margin-top: 50%;
	transition: top 0.28s 0.28s, transform 0.28s, opacity 0.62s, background 0.5s;
}

.header .hamburger_btn span {
	--position: 0;
}

.header .hamburger_btn::before {
	--position: -2.1rem;
}

.header .hamburger_btn::after {
	--position: 2.1rem;
}

.header.hamburger-active .hamburger_btn span {
	opacity: 0;
	transition: opacity 0s;
}

.header.hamburger-active .hamburger_btn::before,
.header.hamburger-active .hamburger_btn::after {
	--position: 0;
	transition: top 0.28s, transform 0.28s 0.28s, opacity 0s;
}

.header.hamburger-active .hamburger_btn::before {
	transform: translateY(-50%) translateX(-50%) rotate(45deg);
}

.header.hamburger-active .hamburger_btn::after {
	transform: translateY(-50%) translateX(-50%) rotate(-45deg);
}


@media screen and (min-width: 768px) {
	.header {
		font-size: min(0.82vw, 10px);
	}

	.header_link_list__item--inner {
		font-size: 1.51em;
	}

	.header_link_list__item {
		--border: 1.3px solid #828286;
		position: relative;
		border-right: var(--border);
	}

	.header_link_list__item:first-of-type {
		border-left: var(--border);
	}

	.header .hamburger_btn {
		display: none;
	}
}

@media screen and (max-width: 768px) {
	.header__inner {
		width: 100%;
		justify-content: flex-start;
	}

	.header__logo {
		margin-left: 2rem;
		width: 12.5rem;
		padding-top: 2rem;
	}


	.header__nav {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: auto;
		padding: 7.7rem 2.8rem 5.5rem;
		background: #fff;
		border-bottom: 0.5rem solid var(--color-light_blue01);
		pointer-events: none;
		opacity: 0;
		transform: translateY(-50%);
		transition: opacity 0.55s ease, transform 0.55s ease;
	}

	.header.hamburger-active .header__nav {
		transform: translateY(0%);
		pointer-events: all;
		opacity: 1;
		display: block;
	}

	.header_link_list {
		flex-direction: column;
	}

	.header_link_list__item {
		--border: 0.15rem solid #828286;
		border-top: var(--border);
	}

	.header_link_list__item:last-of-type {
		border-bottom: var(--border);
	}

	.header_link_list__item--inner {
		padding: 1.6rem 0.5rem 1.66rem;
	}



	.header .hamburger_btn span,
	.header .hamburger_btn::before,
	.header .hamburger_btn::after {
		width: 51%;
		height: 0.4rem;
	}

	.header .hamburger_btn span {
		--position: 0;
	}

	.header .hamburger_btn::before {
		--position: -1.3rem;
	}

	.header .hamburger_btn::after {
		--position: 1.3rem;
	}

}



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

	.footer

------------------------------ */
.footer {
	position: relative;
	text-align: center;
	padding: 4.4rem 0 8.2rem;
	background: #fff;
}

.footer .copyright {
	text-align: center;
	font-size: 1.8rem;
}

@media screen and (max-width: 768px) {
	.footer {
		padding: 2.5rem 0 7.7rem;
	}

	.footer .copyright {
		font-size: 1.4rem;
	}
}



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

	animation

------------------------------ */
/*****   アコーディオン   *****/
.js-acc_switch {
	position: relative;
	cursor: pointer;
}

.js-acc_switch::after {
	--size: 1.4rem;
	--border: 0.32rem solid #fff;
	content: "";
	position: absolute;
	top: 50%;
	right: 2.8rem;
	transform: translateY(-82%) rotateZ(45deg);
	transform-origin: center 62%;
	background: transparent;
	width: var(--size);
	height: var(--size);
	border: var(--border);
	border-top: 0;
	border-left: 0;
	transition: 0.5s ease;
}

.acc_wrapper.active .js-acc_switch::after {
	transform: translateY(-59%) rotateZ(45deg) rotateX(180deg) rotateY(180deg);
}

.js-acc_block {
	will-change: height;
	display: none;
}

@media screen and (max-width:769px) {
	.acc_switch::after {
		right: 1.4rem;
	}
}