@charset "utf-8";

:root {
  /* font-family */
  --font-zen: "Zen Old Mincho", serif;
  --font-bask: "Baskervville", serif;

  /*color*/
  --color-black: #333;
  --color-orange: #eb6519;

  /*gradation*/
  --grad-01: linear-gradient(100deg,rgba(195, 234, 247, 1) 16%, rgba(223, 247, 255, 1) 53%, rgba(224, 244, 251, 1) 98%);
}

#top {
	padding-top: 0;
	font-family: "Zen Old Mincho", serif;
	font-weight: 600;
	background-color: #fef5e9;
	min-width: 0;
}

* {
	letter-spacing: inherit;
	box-sizing: border-box;
}

h2,h3,h4,h5,h6 {
	margin: 0;
	padding: 0;
	font-weight: 700;
	text-align: left;
}

#top main {
	letter-spacing: .03em;
	line-height: 1.42;
	position: relative;
}

#top main:before,
#top main:after {
	content: "";
	position: absolute;
	width: clamp(16rem,16vw,23.6rem);
	aspect-ratio: 118 / 55;
	background-image: url(../Image/common/circle-object.svg);
	background-repeat: no-repeat;
	background-size: contain;
	background-position: center;
	pointer-events: none;
	z-index: -1;
}

#top main:before {
	right: 7rem;
	top: 7.4rem;
}

#top main:after {
	bottom: 7rem;
	left: 7rem;
}

#top main img {
	max-width: 100%;
}

.wrapper {
	width: 1280px;
	max-width: calc(100vw - 14rem);
	margin: 0 auto;
}

.pattern_btn_1 a {
	font-family: var(--font-bask);
	font-size: clamp(1.8rem,1.6vw,2.1rem);
	font-weight: 600;
	line-height: 1.3;
	width: 30rem;
	max-width: 100%;
	letter-spacing: .02em;
	color: var(--color-black);
	padding-bottom: 1.2rem;
	border-bottom: 1px solid var(--color-black);
	display: block;
	background-image: url(../Image/common/arrow_black.svg);
	background-repeat: no-repeat;
	background-size: .7em auto;
	background-position: right top .4em;
	transition: .4s;
}

.pattern_btn_1 a:hover {
	padding-left: .7em;
	opacity: .6;
}

section {
	overflow: hidden;
}

@media (max-width: 750px) {
  .wrapper {
		max-width: calc(100% - 3rem);
  }

	#top main:before,
	#top main:after {
		width: 14rem;
	}

	#top main:before {
		top: 2rem;
		right: 1rem;
	}

	#top main:after {
		bottom: 2rem;
		left: 1rem;
	}

	h2 span {
		font-size: inherit;
		line-height: inherit;
	}

	.pattern_btn_1 a {
		font-size: 1.8rem;
		width: 100%;
	}
}

/*--------------------------------------------
	HEADER
--------------------------------------------*/
#top #header {
	background: none;
	color: #fff;
	transition: background-color .8s, height .8s;
}

#top #header.is-fixed {
	background-color: #fff;
	color: var(--color-black);
}

#top #header .h_logo {
	position: relative;
	height: 100%;
	width: clamp(18rem,18vw,28.5rem);
	transition: width .8s;
	transition-delay: .1s;
}

#top #header .h_logo a {
	position: relative;
	display: block;
	width: 100%;
	height: 100%;
}

#top #header .h_logo img {
	position: absolute;
	top: 0;
	left: 0;
	opacity: 0;
	transition: opacity .8s;
}

#top #header .h_nav {
	height: 150px;
	transition: height .8s;
}

#top #header.is-fixed .h_nav {
	height: 120px;
}

#top #header .h_logo img.vertical {
	opacity: 1;
}

#top #header .h_logo img.beside {
	opacity: 0;
}

#top #header.is-fixed .h_logo img.vertical {
	opacity: 0;
}

#top #header.is-fixed .h_logo img.beside {
	opacity: 1;
}

@media screen and (min-width:751px) {
	#top #header {
		height: clamp(18rem,16vw,25rem);
	}

	#top #header.is-fixed {
		height: 120px;
	}

	#top #header.is-fixed .h_logo {
		width: clamp(18rem,18vw,28.5rem);
	}
}

@media screen and (max-width:750px) {
	#top #header {
		background-color: #fff;
	}

	#top #header .h_logo img.vertical {
		opacity: 0;
	}

	#top #header .h_logo img.beside {
		opacity: 1;
	}
}

/*--------------------------------------------
	MV
--------------------------------------------*/
#topmv {
	height: 100vh;
	width: 100%;
	position: relative;
	overflow: hidden;
}

#topmv:before,
#topmv:after {
	content: "";
	position: absolute;
	z-index: +1;
	pointer-events: none;
}

#topmv:before {
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(20deg,rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.3) 17%, rgba(0, 0, 0, 0) 35%);
}

#topmv:after {
	top: 0;
	left: 0;
	width: 100%;
	height: 32rem;
	max-height: 30%;
	background: linear-gradient(180deg,rgba(0, 0, 0, 0.6) 8%, rgba(0, 0, 0, 0) 100%);
}

#topmv .mv_images {
	position: absolute;
	inset: 0 0 auto auto;
	width: 100%;
	height: 100%;
}

#topmv .mv_images img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	position: absolute;
	inset: 0 0 auto auto;
	opacity: 0;
	transform: scale(1.08);
	transition: opacity 3s, transform 8s linear;
	pointer-events: none;
}

#topmv .mv_images img.show {
	opacity: 1;
	transform: scale(1);
}

#topmv .mv_text {
	position: absolute;
	inset: auto 0 clamp(4rem,6vw,10rem);
	margin: 0 auto;
	width: calc(100% - clamp(6rem,11vw,24rem));
	color: #fff;
	z-index: +1;
	line-height: 1.42;
	font-weight: 700;
}

#topmv .mv_text .lead_1 {
	font-size: clamp(1.6rem,1.5vw,2.6rem);
	margin-bottom: .7rem;
}

#topmv .mv_text .lead_2 {
	font-size: clamp(3.6rem,3.5vw,6rem);
}

@media screen and (max-width:750px) {
	#topmv {
		height: 100vw;
	}

	#topmv .mv_text {
		inset: auto 0 4rem;
		width: calc(100% - 4rem);
	}

	#topmv .mv_text .lead_1 {
		font-size: 1.8rem;
	}

	#topmv .mv_text .lead_2 {
		font-size: 3.2rem;
	}

	#topmv:before {
		background: linear-gradient(20deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.5) 20%, rgba(0, 0, 0, 0) 45%);
	}

	#topmv:after {
		content: initial;
	}
}

/*--------------------------------------------
	TOPICS
--------------------------------------------*/
#toptopics {
	padding: 8rem 0 10rem;
}

#toptopics .flex {
	display: flex;
	align-items: center;
}

#toptopics .flex+.flex {
	margin-top: 2.6rem;
}

#toptopics h2 {
	text-align: right;
	min-width: 7.01em;
	font-size: clamp(1.8rem,1.6vw,2.2rem);
	padding-right: .83em;
	margin-right: 2em;
	border-right: 1px solid var(--color-black);
}

#toptopics .date {
	font-size: clamp(1.6rem,1.3vw,1.8rem);
	min-width: 7.5em;
}

#toptopics .title {
	font-size: clamp(1.6rem,1.3vw,1.8rem);
	color: var(--color-black);
	border-bottom: 1px solid transparent;
	transition: opacity .5s;
}

#toptopics .title:hover {
	opacity: .5;
}

@media screen and (max-width:750px) {
	#toptopics {
		padding: 4rem 0 6rem;
	}

	#toptopics .flex {
		flex-wrap: wrap;
	}

	#toptopics h2 {
		padding: 0;
		margin: 0;
		width: 100%;
		text-align: left;
		border: none;
		margin-bottom: 1.5rem;
	}

	#toptopics .date {
		margin-bottom: .5rem;
	}

	#toptopics .date,
	#toptopics .title {
		font-size: 1.6rem;
		width: 100%;
	}
}

/*--------------------------------------------
	SEC_1
--------------------------------------------*/
#sec_1 .wrapper {
	position: relative;
	padding: 16rem 0 clamp(12rem,14vw,28rem);
}

#sec_1 .hl_vertical {
	writing-mode: vertical-rl;
	text-align: left;
	letter-spacing: .16em;
	line-height: 1.4;
	font-size: clamp(2.4rem,2.3vw,3.5rem);
	font-weight: 600;
	position: absolute;
	top: 0;
	right: 0;
}

#sec_1 .hl_vertical span {
	display: inline-block;
	border-right: 1px dashed #aaa;
}

#sec_1 .hl_vertical span:not(:last-child) {
	margin-left: .5em;
}

#sec_1 .hl_vertical span:nth-of-type(2) {
	margin-top: 6em;
}

#sec_1 .textarea {
	width: min(46vw,65rem);
	margin-left: min(30vw,41rem);
}

#sec_1 .textarea p {
	font-size: clamp(1.6rem,1.4vw,2.2rem);
	font-weight: 600;
	line-height: 2;
	letter-spacing: .03em;
	margin-bottom: 7.7rem;
}

#sec_1 .img {
	width: min(28vw,56rem);
	position: absolute;
	top: 16rem;
	left: calc(50% - 47vw);
}

@media screen and (max-width:750px) {
	#sec_1 .wrapper {
		padding: 3rem 0 6rem;
	}

	#sec_1 .hl_vertical {
		position: initial;
		margin-left: auto;
		margin-bottom: 15rem;
		font-size: 2.6rem;
	}

	#sec_1 .img {
		width: 60vw;
		left: calc(50% - 50vw);
		height: 28rem;
		top: 20rem;
	}

	#sec_1 .img img {
		object-fit: cover;
		height: 100%;
		width: 100%;
	}

	#sec_1 .textarea {
		width: 100%;
		margin: 0;
	}

	#sec_1 .textarea p {
		font-size: 1.6rem;
		margin-bottom: 5rem;
	}
}

/*--------------------------------------------
	INSTRUCTOR
--------------------------------------------*/
.sec_instructor {
	height: 70rem;
	background-image: url(../Image/top/instructor_bg.webp);
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center;
}

.sec_instructor .wrapper {
	position: relative;
	height: 100%;
	padding: 3rem 0;
	display: flex;
	align-items: center;
}

.sec_instructor .prof_image {
	position: absolute;
	right: min(4vw,8rem);
	bottom: 0;
	width: min(44vw,50rem);
	height: 100%;
	object-fit: contain;
	object-position: 50% bottom;
}

.sec_instructor .textside {
	width: 50%;
	position: relative;
	z-index: +1;
}

.sec_instructor .hl {
	margin-bottom: 2rem;
}

.sec_instructor .hl .sub {
	font-size: clamp(1.5rem,1.3vw,1.8rem);
	display: block;
	margin-bottom: 1rem;
}

.sec_instructor .hl .name {
	font-size: clamp(3rem,2.6vw,3.6rem);
	display: block;
}

.sec_instructor .lead {
	font-size: clamp(1.8rem,1.6vw,2.3rem);
	font-weight: 700;
	line-height: 1.53;
	margin-bottom: 3rem;
}

.sec_instructor .box_lead {
	font-size: 1.6rem;
	font-weight: 700;
	color: #fff;
	padding: .2rem 3.2rem;
	background-color: var(--color-orange);
	display: inline-block;
}

.sec_instructor .box_achieve {
	padding: 1.4rem 3rem 1.8rem;
	font-size: 1.6rem;
	font-weight: 700;
	line-height: 2;
	background-color: rgba(255,255,255,.5);
	border: 1px solid var(--color-orange);
	margin-bottom: 3rem;
	width: 45rem;
	max-width: 100%;
}

.sec_instructor .other {
	font-size: 1.6rem;
	font-weight: 600;
	margin-bottom: 3.7rem;
}

@media screen and (max-width:750px) {
	.sec_instructor {
		height: auto;
	}

	.sec_instructor .wrapper {
		height: auto;
		padding: 4rem 0 0;
		flex-wrap: wrap;
		row-gap: 3rem;
	}

	.sec_instructor .textside {
		width: 100%;
	}

	.sec_instructor .prof_image {
		position: initial;
		width: 30rem;
		height: auto;
		object-position: initial;
		margin: 0 auto;
	}

	.sec_instructor .hl .sub {
		font-size: 1.6rem;
	}

	.sec_instructor .hl .name {
		font-size: 3rem;
	}

	.sec_instructor .lead {
		font-size: 1.8rem;
	}

	.sec_instructor .box_achieve {
		font-size: 1.6rem;
		padding: 1.4rem 1.5rem 1.6rem;
	}

	.sec_instructor .other {
		font-size: 1.6rem;
	}
}

/*--------------------------------------------
	SEC_3
--------------------------------------------*/
#sec_3 {
	padding: 15rem 0;
}

#sec_3 .wrapper {
	position: relative;
}

#sec_3 .hl_vertical {
	writing-mode: vertical-rl;
	text-align: left;
	letter-spacing: .16em;
	line-height: 1.4;
	font-size: clamp(2.4rem,2.3vw,3.5rem);
	font-weight: 600;
	position: absolute;
	top: 10rem;
	left: 0;
}

#sec_3 .hl_vertical span {
	display: inline-block;
	border-right: 1px dashed #aaa;
}

#sec_3 .hl_vertical span:not(:last-child) {
	margin-left: .5em;
}

#sec_3 .hl_vertical span:nth-of-type(2) {
	margin-top: 3.5em;
}

#sec_3 .hl_vertical span:nth-of-type(3) {
	margin-top: 10.5em;
}

#sec_3 .lead_marker {
	font-size: 2.5rem;
	font-weight: 700;
	margin-bottom: 6rem;
	text-align: right;
	margin-right: min(20vw,29.5rem);
}

#sec_3 .lead_marker span {
	position: relative;
	z-index: +1;
}

#sec_3 .lead_marker span:before {
	content: "";
	position: absolute;
	inset: auto 0 -.2em 0;
	height: .6em;
	background-color: #fceb96;
	z-index: -1;
}

#sec_3 .col {
	display: flex;
	flex-wrap: wrap;
	column-gap: clamp(2rem,3vw,5rem);
	justify-content: start;
}

#sec_3 .col:nth-of-type(even) {
	justify-content: end;
}

#sec_3 .col+.col {
	margin-top: 7rem;
}

#sec_3 .col>.item {
	width: min(22.7vw,33rem);
	display: flex;
	flex-direction: column;
}

#sec_3 .col>.item.is_hidden {
	opacity: 0;
	pointer-events: none;
}

#sec_3 .col .thumb {
	display: block;
	width: 100%;
	aspect-ratio: 1 / 1;
	margin-bottom: 1.8rem;
	overflow: hidden;
}

#sec_3 .col .thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .8s;
	opacity: 1;
}

#sec_3 .col h3 {
	display: flex;
	justify-content: start;
	align-items: center;
	column-gap: clamp(1rem,1.2vw,2rem);
	font-weight: 600;
	margin-bottom: 1.3rem;
}

#sec_3 .col h3 .en {
	font-family: var(--font-bask);
	font-size: clamp(1.8rem,1.8vw,2.4rem);
	letter-spacing: -.02em;
}

#sec_3 .col h3 .jp {
	font-size: clamp(1.6rem,1.3vw,1.8rem);
}

#sec_3 .col .text {
	font-size: 1.5rem;
	font-weight: 600;
	margin-bottom: 1.5rem;
}

#sec_3 .col .btn {
	width: 16rem;
	margin: auto 0 0 auto;
}


@media screen and (min-width:751px) {
	#sec_3 .col .thumb:hover img {
		transform: scale(1.1);
	}
}

@media screen and (max-width:750px) {
	#sec_3 {
		padding: 8rem 0;
	}

	#sec_3 .lead_marker {
		font-size: 2.4rem;
		margin: 0 0 6rem;
		text-align: center;
	}

	#sec_3 .lead_marker span {
		display: inline-block;
	}

	#sec_3 .lead_marker span:before {
		width: 100%;
		inset: auto auto -.2em 0;
	}

	#sec_3 .hl_vertical {
		font-size: 2.4rem;
		top: 14rem;
		left: 0;
	}

	#sec_3 .hl_vertical span:nth-of-type(2) {
		margin-top: 4em;
	}

	#sec_3 .hl_vertical span:nth-of-type(3) {
		margin-top: 0;
	}

	#sec_3 .col>.item.is_hidden {
		display: none;
	}

	#sec_3 .col {
		justify-content: end;
		width: calc(100% - 14rem);
		margin-left: auto;
		row-gap: 2rem;
	}

	#sec_3 .col>.item {
		width: 100%;
	}

	#sec_3 .col+.col {
		margin-top: 2rem;
		justify-content: center;
		margin-right: auto;
	}
}

/*--------------------------------------------
	SEC_4
--------------------------------------------*/
#sec_4 {
	padding: 26rem 0 14rem;
	background-color: #f8ead7;
}

#sec_4 .hl {
	position: relative;
	font-family: var(--font-bask);
	font-weight: 600;
	font-size: 3rem;
	letter-spacing: -.02em;
	display: flex;
	align-items: center;
	margin-bottom: 18rem;
}

#sec_4 .hl:after {
	content: "";
	background-color: var(--color-black);
	margin-left: -1.6rem;
	margin-right: 1rem;
	flex-grow: 1;
	height: 1px;
	border-top: .5em solid #f8ead7;
	border-bottom: .5em solid #f8ead7;
	z-index: +1;
}

#sec_4 .hl>span {
	display: block;
	position: relative;
	padding: 1rem 4rem .7rem 2.4rem;
	border: 1px solid var(--color-black);
}

#sec_4 .hl>span .jp {
	font-family: var(--font-zen);
	font-size: 1.6rem;
	text-align: center;
	position: absolute;
	inset: calc(100% + 1rem) 0 auto auto;
	width: 100%;
	letter-spacing: .03em;
}

#sec_4 .hl .img {
	position: absolute;
	inset: calc(50% - 14rem) 0 auto auto;
	height: 28rem;
	max-height: initial;
	z-index: +2;
}

#sec_4 .blog_col {
	display: flex;
	column-gap: 5rem;
	row-gap: 4rem;
	flex-wrap: wrap;
}

#sec_4 .blog_col .item {
	width: calc((100% - 15rem) / 4);
	color: var(--color-black);
}

#sec_4 .blog_col .thumb {
	width: 100%;
	aspect-ratio: 1 / 1;
	margin-bottom: 2rem;
	overflow: hidden;
}

#sec_4 .blog_col .thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 1;
	transition: transform .8s;
}

#sec_4 .blog_col .date {
	font-size: 1.5rem;
	font-weight: 600;
	margin-bottom: 1rem;
}

#sec_4 .blog_col .title {
	font-size: 1.6rem;
	font-weight: 600;
}

@media screen and (min-width:751px) {
	#sec_4 .blog_col .item:hover img {
		transform: scale(1.1);
	}
}

@media screen and (max-width:750px) {
	#sec_4 {
		padding: 4rem 0 8rem;
	}

	#sec_4 .hl {
		font-size: 2.6rem;
		margin-bottom: 32rem;
	}

	#sec_4 .hl .img {
		inset: calc(100% + 4rem) 0 auto auto;
		height: 20rem;
		width: 15rem;
	}

	#sec_4 .hl .img img {
		width: 100%;
		height: 100%;
		object-fit: cover;
	}

	#sec_4 .blog_col .item {
		width: 100%;
	}
}

/*--------------------------------------------
	SEC_5
--------------------------------------------*/
#sec_5 {
	padding: 15rem 0;
}

#sec_5 .post_wrap {
	display: flex;
	align-items: start;
}

#sec_5 .post_wrap+.post_wrap {
	margin-top: 8rem;
}

#sec_5 .hl_inner {
	width: 37rem;
}

#sec_5 .topics_inner {
	width: calc(100% - 37rem);
}

#sec_5 .hl_inner .hl .en {
	font-size: 3rem;
	font-family: var(--font-bask);
	font-weight: 600;
	color: var(--color-orange);
	margin-bottom: .5rem;
	display: block;
}

#sec_5 .hl_inner .hl .jp {
	font-size: 1.6rem;
	font-weight: 600;
	display: block;
}

#sec_5 .topics_inner .item {
	color: var(--color-black);
	padding-bottom: 2.4rem;
	display: block;
	border-bottom: 1px solid #aaa;
	transition: opacity .4s;
}

#sec_5 .topics_inner .item:not(:last-child) {
	margin-bottom: 2.5rem;
}

#sec_5 .topics_inner .item .title {
	font-size: 1.6rem;
	font-weight: 600;
}

#sec_5 .topics_inner .item .date {
	font-size: 1.5rem;
	font-weight: 600;
}

#sec_5 .topics_inner .item .title+.date {
	margin-top: 1rem;
}

#sec_5 .topics_inner .item .date+.title {
	margin-top: 1rem;
}

#sec_5 .topics_inner .item:hover {
	opacity: .5;
}

@media screen and (max-width:750px) {
	#sec_5 {
		padding: 8rem 0 12rem;
	}

	#sec_5 .post_wrap {
		flex-wrap: wrap;
		row-gap: 5rem;
	}

	#sec_5 .hl_inner {
		width: 100%;
	}

	#sec_5 .topics_inner {
		width: 100%;
	}

	#sec_5 .post_wrap+.post_wrap {
		margin-top: 6rem;
	}
}