/*
 * サイト共通の枠(ヘッダー・フッター・ボタン・お知らせの一覧)
 */

/* ============ ヘッダー ============ */
.ns-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: var(--wp--preset--color--base);
	border-bottom: 1px solid var(--wp--preset--color--line);
}

.admin-bar .ns-header {
	top: var(--wp-admin--admin-bar--height, 0px);
}

.ns-header__inner {
	display: flex;
	align-items: center;
	gap: 24px;
	max-width: 1240px;
	height: 76px;
	margin-inline: auto;
	padding-inline: clamp(16px, 3vw, 32px);
}

.ns-brand {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	min-width: 0;
	color: var(--wp--preset--color--ink);
	text-decoration: none;
}

.ns-brand__mark {
	width: 52px;
	height: auto;
	flex: none;
}

.ns-brand__name {
	font-family: var(--wp--preset--font-family--serif);
	font-size: 19px;
	font-weight: 600;
	letter-spacing: 0.08em;
	white-space: nowrap;
}

.ns-nav {
	display: flex;
	align-items: center;
	gap: 28px;
	margin-left: auto;
}

.ns-nav__list {
	display: flex;
	align-items: center;
	gap: 26px;
	font-size: 15px;
	letter-spacing: 0.04em;
}

.ns-nav__list a {
	display: block;
	padding-block: 8px;
	color: var(--wp--preset--color--ink);
	text-decoration: none;
	white-space: nowrap;
}

.ns-nav__list a:hover,
.ns-nav__list > .current-menu-item > a,
.ns-nav__list > .current-menu-ancestor > a,
.ns-nav__list .sub-menu .is-current > a {
	color: var(--wp--preset--color--accent);
	text-decoration: underline;
	text-underline-offset: 6px;
	text-decoration-thickness: 1px;
}

/* 小メニュー(PC。項目に重ねると開く) */
@media (min-width: 1100px) {
	.ns-nav,
	.ns-nav__list,
	.ns-nav__list > li {
		align-self: stretch;
	}

	.ns-nav__list > li {
		position: relative;
		display: flex;
		align-items: center;
	}

	.ns-nav__list .sub-menu {
		position: absolute;
		top: 100%;
		left: -20px;
		z-index: 2;
		min-width: 210px;
		padding: 8px 0;
		border: 1px solid var(--wp--preset--color--line);
		background: var(--wp--preset--color--base);
		box-shadow: 0 16px 28px -24px rgba(30, 22, 69, 0.55);
		opacity: 0;
		visibility: hidden;
		transform: translateY(4px);
		transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
	}

	.ns-nav__list > li:hover > .sub-menu,
	.ns-nav__list > li:focus-within > .sub-menu {
		opacity: 1;
		visibility: visible;
		transform: none;
		transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s;
	}

	.ns-nav__list .sub-menu a {
		padding: 10px 20px;
		font-size: 14px;
	}

	.ns-nav__list .sub-menu a:hover {
		background: var(--wp--preset--color--muted);
		text-decoration: none;
	}
}

.ns-menu-btn {
	display: none;
}

.ns-nb {
	display: inline-block;
}

/* ============ ボタン ============ */
.ns-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 52px;
	padding: 0 28px;
	border: 1px solid transparent;
	border-radius: 2px;
	font-size: 16px;
	font-weight: 600;
	letter-spacing: 0.06em;
	line-height: 1.4;
	text-decoration: none;
	white-space: nowrap;
	transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.ns-btn--primary {
	background: var(--wp--preset--color--accent);
	color: #ffffff;
}

.ns-btn--primary:hover {
	background: var(--wp--preset--color--deep);
	color: #ffffff;
	text-decoration: none;
}

.ns-btn--outline {
	border-color: var(--wp--preset--color--accent);
	background: var(--wp--preset--color--base);
	color: var(--wp--preset--color--accent);
}

.ns-btn--outline:hover {
	background: var(--wp--preset--color--accent);
	color: #ffffff;
	text-decoration: none;
}

.ns-btn--light {
	background: #ffffff;
	color: var(--wp--preset--color--deep);
}

.ns-btn--light:hover {
	background: var(--wp--preset--color--muted);
	text-decoration: none;
}

.ns-nav__cta {
	min-height: 46px;
	padding-inline: 20px;
	font-size: 15px;
}

.ns-arrow {
	display: inline-block;
	flex: none;
	width: 16px;
	height: 16px;
	margin-left: 0.4em;
	vertical-align: -0.15em;
	transition: transform 0.25s ease;
}

a:hover > .ns-arrow {
	transform: translateX(3px);
}

/* ============ 共通の幅と見出し ============ */
.ns-wrap {
	max-width: 1160px;
	margin-inline: auto;
	padding-inline: clamp(20px, 4vw, 40px);
}

.ns-h2 {
	font-family: var(--wp--preset--font-family--serif);
	font-size: clamp(26px, 2.9vw, 38px);
	font-weight: 600;
	line-height: 1.45;
	letter-spacing: 0.04em;
	color: var(--wp--preset--color--ink);
}

.ns-more {
	margin-top: 24px;
	font-size: 15px;
}

.ns-more a {
	display: inline-flex;
	align-items: center;
	color: var(--wp--preset--color--accent);
	font-weight: 600;
	text-decoration: none;
}

.ns-more a:hover {
	text-decoration: underline;
	text-underline-offset: 4px;
}

/* ============ お知らせの一覧 ============ */
.ns-news {
	border-top: 1px solid var(--wp--preset--color--line);
}

.ns-news__item {
	border-bottom: 1px solid var(--wp--preset--color--line);
}

.ns-news__link {
	display: grid;
	grid-template-columns: 210px minmax(0, 1fr);
	gap: 8px 24px;
	align-items: baseline;
	padding: 20px 4px;
	color: var(--wp--preset--color--ink);
	text-decoration: none;
}

.ns-news__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 4px 14px;
	font-size: 14px;
	color: var(--wp--preset--color--sub);
}

.ns-news__meta time {
	font-variant-numeric: tabular-nums;
	letter-spacing: 0.04em;
}

.ns-news__cat {
	font-size: 13px;
	color: var(--wp--preset--color--accent);
}

.ns-news__title {
	font-size: 16px;
	line-height: 1.75;
}

.ns-news__link:hover .ns-news__title {
	color: var(--wp--preset--color--accent);
	text-decoration: underline;
	text-underline-offset: 4px;
}

.ns-news__empty {
	color: var(--wp--preset--color--sub);
}

/* ============ フッター ============ */
.ns-footer {
	margin-top: clamp(48px, 6vw, 88px);
	background: var(--wp--preset--color--deep);
	color: rgba(255, 255, 255, 0.82);
}

.ns-footer a {
	color: #ffffff;
	text-decoration: none;
}

.ns-footer a:hover {
	text-decoration: underline;
	text-underline-offset: 4px;
}

.ns-footer__invite {
	border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.ns-footer__invite-inner {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	grid-template-areas: "title button" "text button";
	gap: 10px 48px;
	align-items: center;
	max-width: 1160px;
	margin-inline: auto;
	padding: clamp(48px, 6vw, 72px) clamp(20px, 4vw, 40px);
}

.ns-footer__invite-title {
	grid-area: title;
	font-family: var(--wp--preset--font-family--serif);
	font-size: clamp(26px, 2.8vw, 36px);
	font-weight: 600;
	letter-spacing: 0.06em;
	color: #ffffff;
}

.ns-footer__invite-text {
	grid-area: text;
	font-size: 16px;
}

.ns-footer__invite .ns-btn {
	grid-area: button;
	min-width: 260px;
	color: var(--wp--preset--color--deep);
}

.ns-footer__main {
	display: grid;
	grid-template-columns: minmax(0, 1fr) max-content max-content;
	gap: 32px 48px;
	max-width: 1160px;
	margin-inline: auto;
	padding: 48px clamp(20px, 4vw, 40px) 32px;
}

.ns-footer__name {
	font-family: var(--wp--preset--font-family--serif);
	font-size: 20px;
	font-weight: 600;
	letter-spacing: 0.08em;
	color: #ffffff;
}

.ns-footer__facts {
	display: grid;
	gap: 6px;
	margin-top: 16px;
	font-size: 14px;
	line-height: 1.7;
}

.ns-footer__facts div {
	display: grid;
	grid-template-columns: 5.5em minmax(0, 1fr);
}

.ns-footer__facts dt {
	color: rgba(255, 255, 255, 0.62);
}

.ns-footer__list {
	columns: 2;
	column-gap: 32px;
	font-size: 15px;
}

.ns-footer__list > li {
	break-inside: avoid;
	padding-bottom: 10px;
}

.ns-footer__list a {
	white-space: nowrap;
}

.ns-footer__list .sub-menu {
	display: grid;
	gap: 4px;
	margin-top: 6px;
	padding-left: 1em;
	font-size: 14px;
}

.ns-footer__sns {
	display: flex;
	flex-wrap: wrap;
	gap: 10px 24px;
	font-size: 15px;
}

.ns-footer__subhead {
	margin-top: 24px;
	font-size: 13px;
	line-height: 1.7;
	color: rgba(255, 255, 255, 0.62);
}

.ns-footer__sub {
	display: grid;
	gap: 6px;
	margin-top: 8px;
	font-size: 14px;
}

.ns-footer__bottom {
	max-width: 1160px;
	margin-inline: auto;
	padding: 0 clamp(20px, 4vw, 40px) 32px;
}

.ns-footer__copy {
	padding-top: 20px;
	border-top: 1px solid rgba(255, 255, 255, 0.14);
	font-size: 13px;
	color: rgba(255, 255, 255, 0.62);
}

/* small の既定の縮小(親の約0.83倍)で12pxを割らないように */
.ns-footer__copy small {
	font-size: inherit;
}

/* 年と校名の間は空白の文字ではなく余白で空ける */
.ns-footer__year {
	margin-right: 0.6em;
}

/* ============ 表示の切り替え(SP・タブレット) ============ */
@media (max-width: 1099px) {
	.ns-header__inner {
		height: 64px;
	}

	.ns-brand__mark {
		width: 44px;
	}

	.ns-brand__name {
		font-size: 17px;
	}

	.ns-menu-btn {
		display: inline-flex;
		align-items: center;
		gap: 10px;
		min-height: 44px;
		margin-left: auto;
		padding: 0 4px 0 12px;
		font-size: 14px;
		white-space: nowrap;
		letter-spacing: 0.06em;
		color: var(--wp--preset--color--ink);
	}

	.ns-menu-btn__icon {
		position: relative;
		width: 22px;
		height: 12px;
	}

	.ns-menu-btn__icon > i {
		position: absolute;
		left: 0;
		width: 100%;
		height: 1.5px;
		background: currentColor;
		transition: transform 0.25s ease, top 0.25s ease;
	}

	.ns-menu-btn__icon > i:first-child {
		top: 0;
	}

	.ns-menu-btn__icon > i:last-child {
		top: calc(100% - 1.5px);
	}

	.ns-header.is-open .ns-menu-btn__icon > i {
		top: calc(50% - 0.75px);
	}

	.ns-header.is-open .ns-menu-btn__icon > i:first-child {
		transform: rotate(35deg);
	}

	.ns-header.is-open .ns-menu-btn__icon > i:last-child {
		transform: rotate(-35deg);
	}

	.ns-nav {
		position: fixed;
		inset: 64px 0 0;
		z-index: 49;
		display: none;
		flex-direction: column;
		align-items: stretch;
		gap: 28px;
		margin: 0;
		padding: 16px 24px 40px;
		overflow-y: auto;
		background: var(--wp--preset--color--base);
	}

	.admin-bar .ns-nav {
		top: calc(64px + var(--wp-admin--admin-bar--height, 0px));
	}

	.ns-header.is-open .ns-nav {
		display: flex;
	}

	.ns-nav__list {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		font-size: 17px;
	}

	.ns-nav__list li {
		border-bottom: 1px solid var(--wp--preset--color--line);
	}

	.ns-nav__list a {
		padding-block: 16px;
	}

	.ns-nav__list .sub-menu {
		padding: 0 0 12px 1em;
	}

	.ns-nav__list .sub-menu li {
		border-bottom: 0;
	}

	.ns-nav__list .sub-menu a {
		padding-block: 9px;
		font-size: 15px;
		color: var(--wp--preset--color--sub);
	}

	.ns-nav__cta {
		min-height: 56px;
		font-size: 16px;
	}

	.ns-footer__main {
		grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	}

	.ns-footer__org {
		grid-column: 1 / -1;
	}
}

@media (max-width: 720px) {
	.ns-news__link {
		grid-template-columns: minmax(0, 1fr);
		padding-block: 16px;
	}

	.ns-footer__invite-inner {
		grid-template-columns: minmax(0, 1fr);
		grid-template-areas: "title" "text" "button";
		gap: 12px;
	}

	.ns-footer__invite .ns-btn {
		width: 100%;
		min-width: 0;
		margin-top: 12px;
	}

	.ns-footer__main {
		grid-template-columns: minmax(0, 1fr);
	}

	.ns-footer__list {
		column-gap: 20px;
	}

}

@media (max-width: 380px) {
	.ns-brand__name {
		font-size: 15px;
		letter-spacing: 0.04em;
	}

	.ns-menu-btn__label {
		display: none;
	}
}

.ns-locked {
	overflow: hidden;
}

/* ============ スクロールで現れる区画(トップのみ) ============ */
.ns-js .ns-reveal {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.ns-js .ns-reveal.is-in {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	.ns-js .ns-reveal {
		opacity: 1;
		transform: none;
	}
}