@charset "UTF-8";

@font-face {
	font-family: 'SourceHanSansJP';
	src: url(../fonts/SourceHanSansJP-Light.otf)format("opentype");
	font-display: swap;
}
@font-face {
	font-family: 'SourceHanSansJP';
	src: url(../fonts/SourceHanSansJP-Regular.otf) format("opentype");
	font-weight: 700;
	font-display: swap;
}
@font-face {
	font-family: 'SourceHanSansJP';
	src: url(../fonts/SourceHanSansJP-Normal.otf) format("opentype");
	font-weight: 700;
	font-display: swap;
}
@font-face {
	font-family: 'SourceHanSansJP';
	src: url(../fonts/SourceHanSansJP-Medium.otf) format("opentype");
	font-weight: 700;
	font-display: swap;
}
@font-face {
	font-family: 'SourceHanSansJP';
	src: url(../fonts/SourceHanSansJP-Bold.otf) format("opentype");
	font-weight: 700;
	font-display: swap;
}
@font-face {
	font-family: 'SourceHanSansJP';
	src: url(../fonts/SourceHanSansJP-Heavy.otf) format("opentype");
	font-weight: 700;
	font-display: swap;
}
@font-face {
	font-family: 'Yu-gothic';
	src: url(../fonts/yu-gothic-medium.otf)format("opentype");
	font-weight: 500;
	font-display: swap;
}
@font-face {
	font-family: 'Yu-gothic';
	src: url(../fonts/yu-gothic-bold.ttf)format("truetype");
	font-weight: 700;
	font-display: swap;
}
html {
	font-size: 10px;
  background-image: linear-gradient(180deg, rgba(201, 255, 254, 0.53), rgba(255, 255, 255, 1));
	height: 100vh;
	background-repeat: no-repeat;
	background-attachment:fixed;
}
body {
	font-family: 'SourceHanSansJP', sans-serif;
	font-size: 1.6rem;
	background-image: url(../img/bg.webp);
	background-attachment:fixed;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: bottom;
}
.header {
	background: #0078B7;
	background: linear-gradient(90deg,rgba(0, 120, 183, 1) 0%, rgba(11, 47, 128, 1) 43%, rgba(1, 29, 100, 1) 78%);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 99;
	display: grid;
	place-items: center;
	width: 100%;
	height: 52px;
}
.header_img {
	width: 94px;
	cursor: pointer;
}
.footer {
	background: #0078B7;
	background: linear-gradient(90deg,rgba(0, 120, 183, 1) 0%, rgba(11, 47, 128, 1) 43%, rgba(1, 29, 100, 1) 78%);
	display: grid;
	place-items: center;
	height: 52px;
}
.footer_text {
	font-size: 14px;
	color: #fff;
}
.fixed_btn {
	position: fixed;
	bottom: 60px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 99;
}
.container {
	width: 100%;
	max-width: 800px;
	margin: 52px auto 0;
	background-color: #fff;
	padding: 0 25px;
}
@media (max-width: 768px) {
	.container {
		padding: 0;
	}
}
.bg_yellow {
	background-color: #fdf8b2;
	padding-bottom: 7rem;
}
.bg_yellow_textbox {
	position: relative;
	padding: 7.5rem 0;
}
.bg_yellow_bg_img {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 30.3rem;
}
.bg_yellow_text {
	font-weight: 700;
	font-size: 3.6rem;
	line-height: calc(58/36);
	text-align: center;
}
.bg_yellow_text span {
	font-size: 2.4rem;
}
.video {
	width: 65rem;
	aspect-ratio: 16 / 9;
	margin: 0 auto 9.5rem;
}
.video iframe {
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.product_img {
	width: 58.7rem;
	margin: auto;
}
.bg_yellow_about {
	background-color: #fff;
	width: 70rem;
	margin: 2rem auto 8rem;
	padding: 1rem;
	box-sizing: border-box;
	display: flex;
	align-items: center;
	column-gap: 1.5rem;
}
.bg_yellow_about_title {
	font-weight: 700;
	font-size: 2.6rem;
	color: #fff;
	background-color: #000;
	border-radius: .5rem;
	display: grid;
	place-items: center;
	width: 15.6rem;
	height: 7rem;
}
.bg_yellow_about_text {
	font-size: 1.8rem;
	line-height: calc(25/18);
	letter-spacing: 0.02em;
	flex: 1;
}
.bg_yellow_about_text span {
	font-size: 1.4rem;
}
.buy_btn {
	width: 45rem;
	height: 7rem;
	display: flex;
	align-items: center;
	justify-content: center;
	column-gap: 2rem;
	background-color: #ffaa00;
	border-radius: .5rem;
	box-shadow: .3rem .3rem .2rem rgba(0,0,0,.4);
	margin: auto;
	transition: .3s;
}
.buy_btn:hover {
	transform: translateY(.3rem);
	box-shadow: none;
}
.buy_btn_text {
	font-family: 'Yu-gothic';
	font-weight: bold;
	font-size: 3.25rem;
	color: #fff;
	padding-top: .5rem;
}
.buy_btn_arrow {
	width: 3.5rem;
}
.image4 {
	margin-top: 2.5rem;
}
.section {
	margin: 8.5rem 0;
}
.h2 {
	font-weight: 700;
	font-size: 4.2rem;
	color: #0b2f80;
	text-align: center;
	position: relative;
	padding: 3rem 0;
	margin-bottom: 8.5rem;
}
.h2:before {
	content: "";
	width: 100%;
	height: .45rem;
	background: #0078B7;
	background: linear-gradient(90deg,rgba(0, 120, 183, 1) 0%, rgba(11, 47, 128, 1) 43%, rgba(1, 29, 100, 1) 78%);
	position: absolute;
	top: 0;
	left: 0;
}
.h2:after {
	content: "";
	width: 100%;
	height: .45rem;
	background: #0078B7;
	background: linear-gradient(90deg,rgba(0, 120, 183, 1) 0%, rgba(11, 47, 128, 1) 43%, rgba(1, 29, 100, 1) 78%);
	position: absolute;
	bottom: 0;
	left: 0;
}
/* 開発者 */
.developer_box {
	display: flex;
	align-items: flex-start;
	column-gap: 2.5rem;
	margin-bottom: 4rem;
}
.developer_img {
	width: 32.5rem;
}
.developer_textbox {
	flex: 1;
}
.developer_textbox_title_sub {
	font-family: 'Yu-gothic';
	font-weight: 500;
	font-size: 1.4rem;
	margin-left: -.5rem;
}
.developer_textbox_title {
	font-family: 'Yu-gothic';
	font-weight: bold;
	font-size: 2.2rem;
	border-bottom: .2rem solid #011d64;
	margin-top: 1rem;
	margin-bottom: 1.5rem;
	padding-bottom: 1rem;
}
.developer_textbox_text {
	font-family: 'Yu-gothic';
	font-weight: 500;
	font-size: 1.8rem;
	line-height: calc(31/18);
	padding-right: 2rem;
}
.developer_textbox_text:last-child {
	margin-top: 2.5rem;
}
.blue_btn {
	width: 35rem;
	height: 5rem;
	display: flex;
	align-items: center;
	justify-content: center;
	column-gap: 2rem;
	background-color: #00a0e9;
	border-radius: .5rem;
	box-shadow: .3rem .3rem .2rem rgba(0,0,0,.4);
	margin: auto;
	transition: .3s;
}
.blue_btn:hover {
	transform: translateY(.3rem);
	box-shadow: none;
}
.blue_btn_text {
	font-family: 'Yu-gothic';
	font-weight: bold;
	font-size: 2.3rem;
	color: #fff;
	padding-top: .3rem;
}
.blue_btn_arrow {
	width: 2.4rem;
}
.books {
	border: 1px solid #0b2f80;
	margin-top: 6.5rem;
}
.books_title {
	font-weight: 500;
	font-size: 2.2rem;
	color: #fff;
	text-align: center;
	background: #0078B7;
	background: linear-gradient(90deg,rgba(0, 120, 183, 1) 0%, rgba(11, 47, 128, 1) 43%, rgba(1, 29, 100, 1) 78%);
	padding: 1rem 0;
}
.books_box {
	display: flex;
	justify-content: center;
	align-items: flex-start;
	flex-wrap: wrap;
	padding: 2.5rem 3rem 5rem;
}
.books_box_item {
	width: calc(100% / 6);
	transition: .3s;
}
.books_box_item:hover {
	opacity: .7;
}
.books_box_item_img {
	width: 49%;
	margin: auto;
}
.books_box_item_text {
	font-size: 1rem;
	line-height: 1.5;
	width: 85%;
	margin: auto;
	margin-top: 1rem;
}

/* 価格 */
.price_box {
	margin: 3rem 0 8rem;
	display: flex;
	justify-content: center;
	align-items: center;
	column-gap: 3.4rem;
	color: #ff4e00;
}
.price_box_text {
	font-weight: 700;
	font-size: 2.95rem;
	border: .2rem solid #ff4e00;
	width: 18.5rem;
	padding: 1.4rem 0;
	display: flex;
	align-items: flex-end;
	justify-content: center;
}
.price_box_text span {
	font-size: 2.1rem;
	display: inline-block;
	margin-left: -.3rem;
}
.price_box_price {
	font-weight: 700;
	font-size: 6.8rem;
}
.price_box_price span {
	font-size: 3.6rem;
}
/* FAQ */
.faq_box {
	display: grid;
	gap: .7rem;
}
.faq_item {
	color: #0b2f80;
	background-color: #f0f5ff;
	padding: 2rem;
	padding-right: 6rem;
	cursor: pointer;
	position: relative;
}
.faq_item:after {
	content: "+";
	font-size: 4rem;
	line-height: 1;
	position: absolute;
	top: 1.3rem;
	right: 2rem;
}
.faq_item.active:after {
	content: "-";
	top: 1rem;
}
.faq_question {
	font-family: 'Yu-gothic';
	font-weight: 700;
	font-size: 2.6rem;
	text-indent: -1em;
	padding-left: 1em;
}
.faq_question:before {
	content: "Q. ";
}
.faq_answer {
	font-family: 'Yu-gothic';
	font-weight: 500;
	font-size: 2.2rem;
	text-indent: -1.5em;
	padding-left: 1.6em;
	margin-top: 2rem;
	display: none;
}
.faq_answer:before {
	content: "A. ";
	font-weight: 700;
	font-size: 2.6rem;
}
/* 背景グレー */
.bg_gray {
	background-color: #f2f2f2;
	padding: 2rem;
	font-family: 'Yu-gothic';
	font-weight: 500;
	font-size: 1.6rem;
	line-height: calc(28/16);
}
.bg_gray_title {
	font-family: 'SourceHanSansJP';
	font-weight: 700;
	font-size: 2.1rem;
	padding-bottom: 1rem;
	color: #0b2f80;
	border-bottom: 1px solid #0b2f80;
	margin-top: 1rem;
	margin-bottom: 1.5rem;
}
.bg_gray_title:nth-of-type(2) {
	margin-top: 3.5rem;
}
.bg_gray_list {
	list-style: disc;
	list-style-position: inside;
}
.bg_gray_list li {
	line-height: calc(30/16);
}
.bg_gray_list li::marker {
	font-size: .8rem;
}
.bg_gray_tab {
	display: flex;
	column-gap: .2rem;
	margin-top: 2.5rem;
}
.bg_gray_tab_btn {
	font-size: 1.6rem;
	color: #fff;
	display: grid;
	place-items: center;
	background-color: #84959e;
	width: 16.5rem;
	height: 4.6rem;
}
.bg_gray_tab_btn.active {
	background-color: #00a0e9;
}
.bg_gray_tab_content {
	padding: 2rem;
	border: 1px solid #0b2f80;
	border-top: none;
	position: relative;
	margin-top: -1px;
}
.bg_gray_tab_content:before {
	content: "";
	width: calc(100% - 49.8rem);
	height: 1px;
	background-color: #0b2f80;
	position: absolute;
	top: 0;
	right: 0;
}
.bg_gray_tab_item {
	display: none;
}
.bg_gray_tab_item.active {
	display: block;
}
.bg_gray_tab_content_title {
	font-weight: 700;
	color: #0b2f80;
}
.bg_gray_tab_content_title.-mt {
	margin-top: 3rem;
}
/* 会社概要 */
.company {
	padding: 7rem 0 20rem 0;
}
.company_title {
	font-family: 'Yu-gothic';
	font-weight: 700;
	font-size: 2.1rem;
	color: #0b2f80;
	text-align: center;
}
.company_table {
	font-family: 'Yu-gothic';
	font-size: 1.6rem;
	font-weight: 500;
	line-height: calc(28/16);
	margin: auto;
	margin-top: 3.2rem;
	width: 51.2rem;
	border-collapse: separate;
	border-spacing : 1rem 0;
}
.company_table th {
	color: #0b2f80;
	text-align: center;
	border-bottom: 1px solid #0b2f80;
	width: 11.8rem;
	padding: .6rem 1.4rem;
}
.company_table td {
	padding: .6rem 1.4rem;
	border-bottom: 1px solid #0b2f80;
}
@media (max-width: 799px) {
	html {
		font-size: 1.25vw;
	}
	.books {
		width: 90%;
		margin-left: auto;
		margin-right: auto
	}
	.books_box {
		row-gap: 2rem;
		padding-top: 5rem;
	}
	.books_box_item {
		width: calc(100% / 3);
	}
	.books_box_item_text {
		font-size: 1.6rem;
	}
}
@media (max-width: 500px) {
	.fixed_btn {
		bottom: 20px;
	}
	.bg_yellow_about {
		width: 75rem;
		align-items: normal;
	}
	.bg_yellow_about_title  {
		width: 17.6rem;
		font-size: 3rem;
		height: auto;
	}
	.bg_yellow_about_text {
		font-size: 2.8rem;
	}
	.buy_btn {
		width: 60rem;
		height: 10rem;
	}
	.buy_btn_text {
		font-size: 4rem;
	}
	.buy_btn_arrow {
    width: 4.5rem;
	}
	.developer_box {
		flex-direction: column;
		align-items: center;
	}
	.developer_textbox {
    width: 80%;
		margin: 4rem auto 0;
	}
	.developer_textbox_title_sub {
		font-size: 2.8rem;
	}
	.developer_textbox_title {
		font-size: 3.4rem;
	}
	.developer_textbox_text {
		font-size: 2.8rem;
		padding-right: 0;
	}
	.blue_btn {
		width: 50rem;
    height: 8rem;
	}
	.blue_btn_text {
		font-size: 3.4rem;
	}
	.blue_btn_arrow {
    width: 3.4rem;
	}
	.books_title {
		font-size: 3.2rem;
		padding: 2rem 0;
	}
	.books_box {
		row-gap: 4rem;
	}
	.books_box_item {
		width: calc(100% / 2);
	}
	.books_box_item_text {
		font-size: 10px;
	}
	.price_box_text {
		font-size: 3.95rem;
		width: 24.5rem;
		padding: 2rem 0;
	}
	.price_box_text span {
		font-size: 2.5rem;
	}
	.price_box_price {
    font-size: 8.8rem;
	}
	.price_box_price span {
    font-size: 5rem;
	}
	.faq_question {
		font-size: 3.4rem;
		text-indent: -1.4em;
    padding-left: 1.4em;
	}
	.faq_answer {
		font-size: 2.8rem;
		text-indent: -1.2em;
	}
	.bg_gray {
		font-size: 2.4rem;
	}
	.bg_gray_title {
		font-size: 3rem;
	}
	.bg_gray_tab_btn {
		font-size: 2.6rem;
		width: 20.5rem;
    height: 7.6rem;
	}
	.bg_gray_tab_content:before {
		width: calc(100% - 61.5rem);
	}
	.company_title {
		font-size: 3rem;
	}
	.company_table {
		font-size: 2.6rem;
		width: 68.2rem;
	}
	.company_table th {
		width: 17.8rem;
		padding: 1rem 2rem;
	}
	.company_table td {
		padding: 1rem 2rem;
	}
}