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

html {
	font-size: 15px;
	line-height: 1.5;
	tab-size: 4;
	font-family: "futura-pt", Noto Sans JP, sans-serif;
	background-color: #f8f7f2;
	scroll-behavior: smooth;
	background: #eeeeee;
	color: #444444;
}
html::-webkit-scrollbar {
	display: none;
}

body {
	margin: 0;
	line-height: inherit;
	position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-size: inherit;
	font-weight: inherit;
}

a {
	color: inherit;
	text-decoration: inherit;
}

b,
strong {
	font-weight: bold;
}

small {
	font-size: 80%;
}

table {
	text-indent: 0;
	border-color: inherit;
	border-collapse: collapse;
}

button,
input,
optgroup,
select,
textarea {
	font-family: inherit;
	font-size: 100%;
	font-weight: inherit;
	line-height: inherit;
	color: inherit;
	margin: 0;
	padding: 0;
}

button,
select {
	text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
	-webkit-appearance: button;
	background-color: transparent;
	background-image: none;
}

:-moz-focusring {
	outline: auto;
}

:-moz-ui-invalid {
	box-shadow: none;
}

blockquote,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
figure,
p,
pre {
	margin: 0;
}

ol,
ul,
menu {
	list-style: none;
	margin: 0;
	padding: 0;
}

textarea {
	resize: vertical;
}

:disabled {
	cursor: default;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
	display: block;
	vertical-align: middle;
}

img,
video {
	max-width: 100%;
	height: auto;
}

.not-scroll {
	touch-action: none;
	overflow: hidden;
}

.no-scroll-bar::-webkit-scrollbar {
	display: none;
}

.font-serif {
	font-family: "Noto Serif JP", serif;
}

[x-cloak] {
	display: none !important;
}

::-webkit-scrollbar {
	width: 5px;
	height: 5px;
}

::-webkit-scrollbar-thumb {
	background-color: rgba(197, 197, 197, 0.55);
	border-radius: 5px;
	box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-track {
	border-radius: 10px;
	box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.1);
}

main,
header,
footer {
	overflow: hidden;
}

.debug-lang {
	position: fixed;
	top: 20px;
	right: 20px;
	z-index: 999;
	background: rgb(0 0 0 / 40%);
	width: 50px;
	aspect-ratio: 1 / 1;
	color: #fff;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 25px;
}
/* ------ header ------ */
header {
	position: absolute;
	z-index: 999;
	width: 100%;
	padding: 0 4.16%;
	top: 72px;
	left: 0;
	right: 0;
	margin: 0 auto;
}
.header-contents {
	display: flex;
	width: 100%;
	justify-content: space-between;
	align-items: center;
	max-width: 1920px;
	margin: 0 auto;
}
.header-logo {
	width: 200px;
	height: auto;
	aspect-ratio: 16 / 3;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-shrink: 0;
	transition: all ease 0.33s;
}
.header-logo:hover {
	opacity: 0.6;
}
.header-logo > img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}
.header-nav-group {
	width: auto;
	display: flex;
	justify-content: flex-end;
	align-items: center;
	gap: 50px;
}
.header-nav-group > nav {
	display: flex;
	width: 100%;
	justify-content: space-between;
	align-items: center;
	gap: 30px;
}

.header-nav-group > nav > a {
	letter-spacing: 0.1em;
	transition: all ease 0.33s;
}
.header-nav-group > nav > a:hover {
	opacity: 0.6;
}
.lang-btn-box {
	padding-left: 50px;
	display: flex;
	gap: 20px;
	flex-shrink: 0;
}

.header-dark .lang-btn-box {
	border-left: 1px solid #fff;
}
.header-light .lang-btn-box {
	border-left: 1px solid #444;
}
.lang-btn-box a {
	letter-spacing: 0.1em;
	opacity: 0.5;
	transition: all ease 0.33s;
}
.lang-btn-box span {
	letter-spacing: 0.1em;
	opacity: 0.5;
}
.lang-btn-ch {
	display: flex;
	align-items: center;
	gap: 5px;
}
.lang-btn-ch.current-lang span {
	opacity: 1;
}
.lang-btn-box a.current-lang {
	opacity: 1;
}
.lang-btn-box a:hover {
	opacity: 1;
}
.lang-btn-box a.current-lang:hover {
	opacity: 0.7;
}
.header-dark a,
.header-dark span {
	color: #fff;
}
.header-light .header-logo-wh {
	display: none;
}
.header-dark .header-logo-bk {
	display: none;
}
.btn-menu {
	display: none;
}
.nav-menu {
	display: none;
}
@media screen and (max-width: 1400px) {
	header {
		top: 50px;
	}
}
@media screen and (max-width: 999px) {
	header {
		position: fixed;
		top: 30px;
	}
	.header-logo {
		width: 150px;
	}
	.header-nav-group {
		display: none;
	}

	.btn-menu {
		position: relative;
		z-index: 9999;
		display: flex;
		height: 14px;
		width: 50px;
		cursor: pointer;
		align-items: center;
		justify-content: center;
	}

	.btn-menu-wrapper {
		display: flex;
		width: 100%;
		height: 100%;
		flex-flow: column;
		align-items: center;
	}

	.toggle-box {
		position: relative;
		height: 100%;
		width: 100%;
	}

	.toggle-bar {
		position: absolute;
		right: 0px;
		display: block;
		height: 1px;
		width: 100%;
		background: #fff;
		transition: all ease 0.33s;
	}

	.header-dark .toggle-bar {
		background: #fff;
	}
	.header-light .toggle-bar {
		background: #444;
	}

	.toggle-bar-01 {
		top: 0px;
	}

	.toggle-bar-02 {
		bottom: 0;
	}

	.toggle-bar.toggle-bar-01-active {
		top: 50%;
		transform: translateY(-50%) rotate(45deg);
		background: #fff;
	}

	.toggle-bar.toggle-bar-02-active {
		width: 100%;
		transform: translateY(-50%) rotate(-45deg);
		top: 50%;
		background: #fff;
	}

	.nav-menu {
		pointer-events: none;
		position: fixed;
		top: 0px;
		right: 0px;
		z-index: 60;
		display: flex;
		height: 100vh;
		width: 100%;
		justify-content: flex-end;
		overflow-x: hidden;
		opacity: 0;
		transition-property: all;
		transition-duration: 500ms;
		transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
	}

	.nav-menu.nav-menu-active {
		pointer-events: auto;
		opacity: 1;
	}

	.nav-menu::after {
		content: "";
		position: fixed;
		top: 0px;
		right: 0px;
		z-index: 40;
		height: 100vh;
		width: 100vw;
		background-color: rgb(0 0 0 / 0.5);
		opacity: 0;
		transition-property: all;
		transition-duration: 500ms;
		transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
	}

	.nav-menu.nav-menu-active::after {
		opacity: 1;
	}

	.nav-menu-wrapper {
		position: relative;
		z-index: 50;
		height: 100vh;
		width: 100%;
		max-width: 320px;
		transform: translateX(100%);
		overflow-y: auto;
		overflow-x: hidden;
		background: linear-gradient(180deg, #111, #333);
		padding-top: 60px;
		transition-property: all;
		transition-duration: 500ms;
		transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
	}

	.nav-menu.nav-menu-active .nav-menu-wrapper {
		margin: 0px;
		transform: translateX(0%);
	}

	.header-nav-sp {
		display: grid;
		grid-template-columns: repeat(1, minmax(0, 1fr));
		gap: 30px;
		padding: 30px;
	}
	.sp-nav-group {
		display: grid;
		grid-template-columns: repeat(1, minmax(0, 1fr));
		gap: 20px;
	}

	.sp-nav-group.sng-01 > a {
		color: #fff;
	}

	.sp-nav-group.sng-02 {
		display: flex;
		border-top: 1px solid #fff;
		padding-top: 30px;
		color: #fff;
		font-size: 13px;
	}
	.sp-nav-group.sng-02 .lang-btn-ch a,
	.sp-nav-group.sng-02 .lang-btn-ch span {
		opacity: 0.5;
	}
	.sp-nav-group.sng-02 > a {
		font-size: 13px;
		font-weight: 400;
		opacity: 0.5;
	}

	.sp-nav-group.sng-02 > a.current-lang {
		opacity: 1;
	}
	.sp-nav-group.sng-02 .lang-btn-ch.current-lang span {
		opacity: 1;
	}
	.sp-nav-group.sng-02 .lang-btn-ch a.current-lang {
		opacity: 1;
	}
}

/* ------ common ------ */

.sec-inner {
	width: 100%;
	max-width: 1620px;
	margin: 0 auto;
}

.h1-title-area {
	width: 100%;
	display: flex;
	flex-flow: column;
	gap: 30px;
}
.h1-title-area > h1 {
	font-size: 40px;
	font-family: "Noto Serif JP", serif;
	letter-spacing: 0.3em;
	word-break: keep-all;
}
@media screen and (max-width: 1600px) {
	.h1-title-area > h1 {
		font-size: 34px;
		word-break: break-word;
	}
}
@media screen and (max-width: 999px) {
	.h1-title-area {
		gap: 10px;
	}
	.h1-title-area > h1 {
		font-size: 20px;
	}
}

.h2-title-area {
	width: 100%;
	display: flex;
	flex-flow: column;
	gap: 60px;
}
.h2-title-area > h2 {
	font-size: 40px;
	font-family: "Noto Serif JP", serif;
	letter-spacing: 0.3em;
	word-break: keep-all;
	line-height: 2;
	font-weight: 300;
}
.h2-title-area > h2 > span {
	color: #c3363f;
}

.sub-title-en {
	font-size: 18px;
	letter-spacing: 0.2em;
}
.sub-title-en > span {
	color: #c3363f;
}

@media screen and (max-width: 1700px) {
	.h2-title-area {
		gap: 40px;
	}
}
@media screen and (max-width: 1400px) {
	.h2-title-area {
		gap: 30px;
	}
}
@media screen and (max-width: 999px) {
	.h2-title-area {
		gap: 5px;
	}
	.h2-title-area > h2 {
		font-size: 20px;
	}
	.sub-title-en {
		font-size: 15px;
	}
}

.h3-title-area {
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.h3-title-area h3 {
	font-size: 30px;
	letter-spacing: 0.2em;
}
.h3-title-area h3 > span {
	color: #c3363f;
}
.h3-title-area > a {
	font-size: 20px;
	letter-spacing: 0.1em;
	transition: all ease 0.33s;
}
.h3-title-area > a:hover {
	opacity: 0.6;
}

.h4-title-area {
	width: 55px;
	display: flex;
	gap: 10px;
	align-items: flex-start;
	flex-shrink: 0;
	position: absolute;
	top: 0;
	left: -100px;
}
.course-list-contents .h4-title-area {
	top: 100px;
}
.h4-title-area > h4 {
	writing-mode: vertical-lr;
	letter-spacing: 0.4em;
	font-family: "Noto Serif JP", serif;
	font-size: 18px;
}
.h4-title-area > .sub-title-en {
	font-size: 13px;
	letter-spacing: 0.2em;
	opacity: 0.5;
	writing-mode: vertical-rl;
	text-orientation: sideways;
}
@media screen and (max-width: 999px) {
	.h4-title-area {
		width: 100%;
		gap: 5px;
		position: relative;
		top: 0;
		left: 0;
		flex-flow: column-reverse;
		margin-bottom: 30px;
	}

	.course-list-contents .h4-title-area {
		top: 0px;
	}
	.h4-title-area > h4 {
		writing-mode: initial;
		text-orientation: initial;
		font-size: 16px;
	}
	.h4-title-area > .sub-title-en {
		font-size: 11px;
		writing-mode: initial;
		text-orientation: initial;
	}
}

/* ------ Lowwer Common ------ */
.main-lower {
	padding-top: 280px;
}

.sec-lower-inner {
	width: 100%;
	max-width: 1720px;
	margin: 0 auto;
	background: #fff;
}

.sec-lower-heading {
	width: 100%;
	position: relative;
	z-index: 0;
	padding: 0 5.2%;
}
.sec-lower-heading-contents {
	padding: 100px 5.8%;
	position: relative;
	width: 100%;
	min-height: 500px;
	display: flex;
	justify-content: flex-start;
}
.sec-lower-heading-contents > div {
	width: 30%;
	display: flex;
	flex-flow: column;
	gap: 130px;
	height: auto;
}

.breadcrumbs-box {
	display: flex;
	justify-content: flex-end;
	width: 100%;
}
.breadcrumbs {
	display: flex;
	gap: 30px;
	align-items: center;
	justify-content: flex-end;
	font-size: 10px;
	letter-spacing: 0.1em;
}
.breadcrumbs > a {
	position: relative;
	opacity: 0.5;
	transition: all ease 0.33s;
}
.breadcrumbs > a:hover {
	opacity: 1;
}
.breadcrumbs > a::after {
	content: "";
	position: absolute;
	right: -15px;
	width: 1px;
	height: 15px;
	background: #444;
	opacity: 0.5;
}

.sec-lower-heading-contents > figure {
	position: absolute;
	top: -100px;
	right: -5.8%;
	width: 70%;
	max-width: 1152px;
	height: 100%;
	max-height: 500px;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
}
.sec-lower-heading-contents > figure > img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.lower-copy {
	position: absolute;
	top: 450px;
	right: 2.6%;
	writing-mode: vertical-rl;
	text-orientation: sideways;
	font-size: 12px;
	letter-spacing: 0.1em;
	text-wrap: nowrap;
}

@media screen and (max-width: 1400px) {
	.sec-lower-heading-contents {
		padding: 50px 5.8%;
		min-height: 400px;
	}
	.sec-lower-heading-contents > div {
		width: 40%;
		gap: 100px;
	}
	.sec-lower-heading-contents > figure {
		width: 60%;
	}
	.lower-copy {
		right: 1.6%;
	}
	.main-lower {
		padding-top: 250px;
	}
}
@media screen and (max-width: 999px) {
	.main-lower {
		padding-top: 100px;
	}
	.sec-lower-heading {
		padding: 0;
	}
	.sec-lower-heading .sec-lower-inner {
		background: transparent;
	}
	.sec-lower-heading-contents {
		padding: 0;
		position: relative;
		width: 100%;
		min-height: 0;
		display: flex;
		justify-content: flex-start;
		flex-flow: column;
		gap: 30px;
	}
	.sec-lower-heading-contents > div {
		width: 100%;
		gap: 0px;
		padding: 0 7.8%;
	}
	.breadcrumbs-box {
		display: none;
	}
	.sec-lower-heading-contents > figure {
		width: 100%;
		position: relative;
		top: 0;
		right: 0;
		height: auto;
		max-height: none;
		aspect-ratio: 288 / 125;
	}
	.lower-copy {
		display: none;
	}
}
@media screen and (max-width: 640px) {
	.sec-lower-heading-contents > figure {
		aspect-ratio: 390 / 300;
	}
}

/* ------ Footer ------ */
footer {
	width: 100%;
	background: #222;
	padding: 0 5.2%;
	position: relative;
}

.footer-contents {
	width: 100%;
	max-width: 1720px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	padding: 50px 0 80px;
	align-items: center;
}

.footer-logo-area {
	width: 200px;
	display: flex;
	flex-flow: column;
	gap: 30px;
	flex-shrink: 0;
}
.footer-logo {
	width: 200px;
	height: auto;
	aspect-ratio: 16 / 3;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-shrink: 0;
	transition: all ease 0.33s;
}
.footer-logo:hover {
	opacity: 0.6;
}
.footer-sns-btns {
	width: 100%;
	display: flex;
	gap: 20px;
	align-items: center;
}
.footer-sns-btns > a {
	height: 24px;
	aspect-ratio: 1 /1;
	display: flex;
	justify-content: center;
	align-items: center;
	overflow: hidden;
	transition: all ease 0.33s;
}
.footer-sns-btns > a:hover {
	opacity: 0.6;
}
.footer-sns-btns > a > img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.footer-nav-group {
	width: auto;
	display: flex;
	flex-flow: column;
	gap: 30px;
	align-items: flex-end;
	color: #fff;
}
.footer-nav-group > nav {
	display: flex;
	gap: 30px;
	align-items: center;
	justify-content: space-between;
}
.footer-nav-group a {
	letter-spacing: 0.1em;
	transition: all ease 0.33s;
}
.footer-nav-group a:hover {
	opacity: 0.6;
}
.footer-nav-group > a {
	opacity: 0.5;
}
.footer-nav-group > a:hover {
	opacity: 0.3;
}

.footer-copy {
	display: none;
}
@media screen and (max-width: 999px) {
	footer {
		padding: 0 7.8%;
	}
	.footer-contents {
		padding: 30px 0 20px;
		flex-flow: column;
		gap: 50px;
	}
	.footer-logo-area {
		width: 100%;
		gap: 20px;
		align-items: center;
	}
	.footer-sns-btns {
		justify-content: center;
	}
	.footer-nav-group {
		display: none;
	}
	.footer-copy {
		display: flex;
		color: #fff;
		font-size: 12px;
		letter-spacing: 0.1em;
	}
}

#lang_en * {
	letter-spacing: 0.1em;
}
#lang_en .sub-title-en {
	opacity: 0;
}