@charset "UTF-8";

section.introduce, section.introduce_pdf, section.task_evaluation {
	padding: 80px 0px 10px 0px;
	margin: 0;
	color: #444;
	display: flex;
	flex-direction: column;
	align-items: center;
}

section.introduce_pdf {
	padding: 50px 10px 10px 10px;
}

.introduce p span.corpus_www {
	font-size: 0.875rem;
}

.introduce .about_corpus {
	width: 100%;
	height: 700px;
	margin: 40px 0;
	display: grid;
	place-items: center;
}

.about_corpus>div {
	width: 700px;
	height: 100%;
	background: url(../images/about_corpus.png) no-repeat center;
	background-size: 100% 100%;
}

section.introduce img {
	display: block;
	margin: 0 auto;
}

section.introduce .introduce_wrap div {
	display: flex;
	justify-content: center;
	gap: 20px;
	margin-bottom: 30px;
}

section.introduce .introduce_wrap img {
	margin-bottom: 40px;
}

section.introduce .introduce_wrap div > img {
	height: 450px;
}
section.introduce .symbol_wrap .introduce_tit {
	width: 100%;
	margin-bottom: 25px;
	font-size: 22px;
	font-weight: 600;
	color: #222;
}

section.introduce .introduce_wrap p, section.introduce .symbol_wrap p,
	.taskcard p {
	width: 100%;
	font-size: 1.25rem;
	line-height: 1.5;
	margin-bottom: 33px;
	word-break: break-all;
	letter-spacing: -0.65px;
	text-align: center;
}

section.introduce .introduce_wrap .intro_tit {
	width: 100%;
	font-size: 2.5rem;
	line-height: 1.5;
	margin-bottom: 33px;
	word-break: break-all;
	letter-spacing: -0.65px;
}


section.introduce .symbol_wrap p.intro_guide {
	font-size: 1rem;
	color: #666;
}

.introduce  p.intro_tit, .introduce .know_wrap p.intro_tit,
	.introduce .symbol_wrap p.intro_tit, .task_evaluation p.intro_tit {
	font-size: 2.5rem;
	width: 100%;
	margin-bottom: 50px;
	text-align: center;
	color: #111;
	letter-spacing: -0.15rem;
}
.intro_slg {
	margin-top: 120px;
}
.introduce  p.intro_tit span, .introduce .know_wrap p.intro_tit span
	{
	font-weight: bold;
}

.introduce .know_wrap .intro_tit span {
	color: #007b70;
}

.introduce .text_wrap {
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: row;
	gap: 20px;
}

.text_wrap .text_box {
	width: calc(50% - 20px);
	height: 100%;
	border: 1px solid #f0f0f0;
	border-radius: 5px;
	box-shadow: rgba(204, 219, 232, 0.3) 3px 3px 6px 0px inset;
}

.introduce .video_wrap {
	width: 10000px;
	background-color: #F7F7F7;
	border-top: 1px solid #ccc;
	border-bottom: 1px solid #ccc;
}

section.introduce .video_wrap .intro_tit {
	width: 100%;
	font-size: 2.5rem;
	line-height: 1.5;
	margin: 50px 0 33px 0;
	word-break: break-all;
	letter-spacing: -0.65px;
}

section.introduce .video_wrap .intro_tit > span {
	color: #007b70;
}

section.introduce .video_wrap img {
	height: 500px;
	margin-top: 65px;
	margin-bottom: 65px;
}

.book_wrap {
	width: 1500px;
	position: relative;
	display: flex;
	justify-content: center;
	margin-bottom: 50px;
}

.book {
	width: 1400px;
	height: 820px;
	overflow: hidden;
	position: relative;
}

#pdf_images {
	width: 1400px;
	height: 820px;
	transition: transform 0.5s ease-in-out;
	display: flex;
}

#pdf_images .image {
	width: 50%;
	height: 856px;
}

#prevBtn, #nextBtn {
	width: 50px;
	height: 50px;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	font-size: 24px;
	cursor: pointer;
	z-index: 999;
}

#prevBtn {
	left: -5px;
	background: url(/images/left.png) no-repeat center;
	background-size: 100%;
	z-index: 999;
}

#nextBtn {
	right: -5px;
	background: url(/images/right.png) no-repeat center;
	background-size: 100%;
	z-index: 999;
}

.book_wrap {
	width: calc(115% - 200px);
}

.book {
	width: 100%;
}

#pdf_images {
	width: 100%;
}

.introduce .corpuspdf_wrap {
	width: 100%;
	margin-bottom: 60px;
	display: grid;
	place-items: center;
}

.corpuspdf_wrap a {
	width: 680px;
	height: 889px; //
	background: url(../images/corpus_pdf.png) no-repeat center;
	background-size: 100% 100%;
	border: 1px solid #eee;
	border-radius: 5px;
}

.corpuspdf_wrap a:hover {
	box-shadow: rgba(0, 0, 0, 0.09) 0px 3px 12px;
	transition: all 0.3s;
}

.corpuspdf_wrap p {
	margin-top: 15px;
}

/* mobile */
@media screen and (max-width:1220px) {
	.introduce .video_wrap {
		flex-direction: column;
	}
	.know li:first-child:hover p::after, .know li:nth-of-type(2):hover p::after,
		.know li:last-child:hover p::after {
		width: 0px;
	}


}

@media screen and (max-width:1200px) {
	section.introduce, section.introduce_pdf, section.task_evaluation {
    padding: 0;
}
	.text_wrap div {
		width: 910px;
	}
	.newcard_wrap .card_ex_mo {
		display: block;
        width: 100%;
        object-fit: cover;
	}
	.newcard_wrap .card_ex {
		display: none;
	}
	section.introduce .introduce_wrap p, section.introduce .symbol_wrap p, .taskcard p {
    width: 100%;
    font-size: 0.938rem;
    line-height: 1.5;
    margin-bottom: 0;
    word-break: keep-all;
    letter-spacing: -0.65px;
}
.introduce p.intro_tit, .introduce .know_wrap p.intro_tit, .introduce .symbol_wrap p.intro_tit, .task_evaluation p.intro_tit {
    font-size: 1.5rem;
    margin-bottom: 20px;
    word-break: keep-all;
    line-height: 32px;
}

	.taskintro_wrap {
		width: 100%;
	}
	.task_Llogo .task_logo {
		width: 100%;
		margin: 50px 10px 20px 10px;
	}
	.taskcard .intro_tit h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}
.newcard_wrap {
    padding: 30px 0 0 0;
	min-width: 800px;
}
.metod_t .metodT h3 {
    font-size: 1.25rem;
    width: initial;
}
.taskgo_top {	
    flex-direction: column;
}
.metod_b h3 {
    line-height: 26px;
    font-weight: 400;
    font-size: 1.25rem;
}
.intro_slg {
    margin-top: 50px;
}
.guide_tit {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
   	margin-top: 50px;
    justify-content: center;
    align-items: center;
    width: 100%;
    border-bottom: 1px dashed #D9D9D9;
    padding-bottom: 40px;
    flex-direction: column;
    text-align: center;
}
.symbol_guide {
    flex-direction: column;
}
	

}
@media screen and (max-width:940px) {
	.text_wrap div {
		width: 580px;
	}
	.taskintro_wrap {
		display: flex;
		gap: 50px;
		flex-direction: column ;
	}
	.metod_card {
    	flex-direction: column;
}


}

@media screen and (max-width:650px) {
	#contents .inner {
		padding: 50px 0 10px 0;
	}
	.introduce .video_wrap, .introduce .text_wrap {
		margin: 40px 0;
	}
	section.introduce_pdf {
		padding: 10px 10px 10px 10px;
	}
	#pdf_images .image {
		width: 100%;
	}
	.book_wrap {
		margin-bottom: 0;
	}
}

@media screen and (max-width:600px) {
	.introduce .video_wrap>video {
		width: 360px;
		height: 201px;
	}
	.video_wrap div {
		width: 360px;
	}
	.text_wrap div {
		width: 360px;
	}
	#pdf_images>span {
		transform: translate(-112%, 1819%);
	}
		.metod_t .metodT .metod_img {
		width: 80%;
	}
	.metod_t .metodT .metod_img img {
		width: 100%;
	}
}