/* =========================================================
   オープンキャンパス専用CSS
   既存の base.css / stylenav.css / stylefooter.css の上に追加して使います
========================================================= */

:root {
	--oc-blue: #0053bf;
	--oc-blue-dark: #003f99;
	--oc-blue-light: #eaf3ff;
	--oc-green: #d5ff28;
	--oc-green-soft: #f4ffd7;
	--oc-text: #202838;
	--oc-sub: #5a6678;
	--oc-border: #dfe7f2;
	--oc-bg: #f7fbff;
	--oc-white: #fff;
	--oc-shadow: 0 16px 36px rgba(0, 63, 153, 0.10);
}

html {
	scroll-behavior: smooth;
}

.opencampus-page {
	background:
		radial-gradient(circle at 10% 9%, rgba(213, 255, 40, 0.18), transparent 22%),
		radial-gradient(circle at 92% 20%, rgba(0, 83, 191, 0.08), transparent 24%),
		linear-gradient(180deg, #ffffff 0%, var(--oc-bg) 56%, #ffffff 100%);
	color: var(--oc-text);
	font-family: "BIZ UDGothic", sans-serif;
}

.current-menu {
	color: var(--oc-blue) !important;
	font-weight: 700;
	position: relative;
}

.current-menu::after {
	content: "";
	position: absolute;
	left: 50%;
	bottom: -14px;
	width: 68%;
	height: 3px;
	background: var(--oc-blue);
	border-radius: 999px;
	transform: translateX(-50%);
}

.oc-hero {
	padding: 48px 5vw 36px;
}

.oc-hero-inner {
	max-width: 1200px;
	min-height: 430px;
	margin: 0 auto;
	display: grid;
	grid-template-columns: 1.02fr 0.98fr;
	align-items: center;
	gap: 34px;
	background: linear-gradient(110deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 47%, rgba(234, 243, 255, 0.88) 100%);
	border: 1px solid rgba(223, 231, 242, 0.85);
	border-radius: 30px;
	box-shadow: var(--oc-shadow);
	overflow: hidden;
	position: relative;
}

.oc-hero-inner::before,
.oc-hero-inner::after {
	content: "";
	position: absolute;
	border-radius: 50%;
	background: var(--oc-green);
	opacity: 0.6;
}

.oc-hero-inner::before {
	width: 12px;
	height: 12px;
	left: 48%;
	top: 24%;
}

.oc-hero-inner::after {
	width: 8px;
	height: 8px;
	left: 54%;
	bottom: 20%;
}

.oc-hero-copy {
	padding: 56px 0 56px 56px;
	position: relative;
	z-index: 2;
}

.oc-label,
.oc-section-en {
	font-family: "Quicksand", sans-serif;
	font-weight: 700;
	letter-spacing: 0.04em;
	color: var(--oc-blue);
}

.oc-label {
	font-size: clamp(2.0rem, 3.2vw, 4.0rem);
	line-height: 1;
	color: #9ad900;
	font-style: italic;
	margin-bottom: 14px;
}

.oc-hero h2 {
	/* font-size: clamp(3.4rem, 5.6vw, 6.8rem); */
	line-height: 1.08;
	letter-spacing: 0.04em;
	color: var(--oc-blue);
	font-weight: 800;
	margin-bottom: 22px;
}

.oc-lead {
	font-size: clamp(1.8rem, 2vw, 2.4rem);
	font-weight: 700;
	letter-spacing: 0.04em;
	margin-bottom: 18px;
}

.oc-text {
	font-size: 1.5rem;
	line-height: 1.9;
	color: var(--oc-sub);
	max-width: 520px;
}

.oc-hero-btns {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 30px;
}

.oc-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-width: 210px;
	padding: 16px 28px;
	border-radius: 999px;
	font-size: 1.5rem;
	font-weight: 700;
	text-decoration: none;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.oc-btn::after {
	content: "›";
	font-size: 2rem;
	line-height: 1;
}

.oc-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 22px rgba(0, 83, 191, 0.18);
}

.oc-btn.primary {
	background: var(--oc-green);
	color: #142100;
}

.oc-btn.secondary {
	background: var(--oc-blue);
	color: #fff;
}

.oc-hero-visual {
	height: 100%;
	min-height: 430px;
	position: relative;
}

.oc-hero-visual img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.oc-hero-visual::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(90deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.14) 42%, transparent 100%);
}

.oc-photo-note {
	position: absolute;
	right: 18px;
	bottom: 18px;
	background: rgba(255, 255, 255, 0.9);
	padding: 8px 14px;
	border-radius: 999px;
	font-size: 1.2rem;
	color: var(--oc-sub);
}

.oc-section {
	max-width: 1120px;
	margin: 0 auto;
	padding: 46px 5vw;
}

.oc-section-heading {
	text-align: center;
	margin-bottom: 30px;
}

.oc-section-heading h3,
.oc-application-text h3,
.oc-bottom-cta h3 {
	font-size: clamp(2.4rem, 3vw, 3.4rem);
	letter-spacing: 0.06em;
	line-height: 1.35;
}

.oc-section-heading h3::after {
	content: "";
	display: block;
	width: 44px;
	height: 4px;
	margin: 14px auto 0;
	background: var(--oc-blue);
	border-radius: 999px;
}

.oc-section-heading p:not(.oc-section-en) {
	margin-top: 18px;
	font-size: 1.5rem;
	line-height: 1.8;
	color: var(--oc-sub);
}

.oc-date-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
}

.oc-date-card {
	background: var(--oc-white);
	border: 1px solid var(--oc-border);
	border-radius: 22px;
	padding: 22px;
	box-shadow: 0 10px 24px rgba(0, 63, 153, 0.07);
	position: relative;
	overflow: hidden;
}

.oc-date-card::after {
	content: "";
	position: absolute;
	right: -24px;
	top: -24px;
	width: 88px;
	height: 88px;
	background: var(--oc-blue-light);
	border-radius: 50%;
}

.oc-date-card.is-special::after,
.oc-date-card.is-light::after {
	background: var(--oc-green-soft);
}

.oc-badge {
	display: inline-block;
	padding: 6px 12px;
	background: var(--oc-blue);
	color: #fff;
	border-radius: 999px;
	font-size: 1.3rem;
	font-weight: 700;
	position: relative;
	z-index: 2;
}

.oc-date-year {
	margin-top: 24px;
	font-size: 1.4rem;
	font-weight: 700;
	color: var(--oc-sub);
}

.oc-date-main {
	margin-top: 4px;
	font-size: clamp(2.4rem, 2.6vw, 3.2rem);
	font-weight: 800;
	line-height: 1.3;
}

.oc-date-main span {
	font-size: 1.5rem;
}

.oc-status {
	margin-top: 18px;
	padding: 8px 12px;
	border-radius: 10px;
	background: var(--oc-green-soft);
	font-size: 1.4rem;
	font-weight: 700;
	text-align: center;
}

.oc-time-grid,
.oc-flow-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

.oc-time-card,
.oc-flow-card,
.oc-application-box,
.oc-notice-card {
	background: var(--oc-white);
	border: 1px solid var(--oc-border);
	border-radius: 24px;
	box-shadow: 0 12px 28px rgba(0, 63, 153, 0.08);
}

.oc-time-card {
	overflow: hidden;
}

.oc-time-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding: 18px 24px;
	background: var(--oc-blue-light);
}

.oc-time-card.afternoon .oc-time-head {
	background: var(--oc-green-soft);
}

.oc-time-head h4 {
	font-size: 2rem;
	color: var(--oc-blue);
}

.oc-time-head span {
	font-size: 1.4rem;
	font-weight: 700;
	color: var(--oc-sub);
}

.oc-course-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
}

.oc-course-card {
	padding: 30px 24px;
	text-align: center;
	border-right: 1px solid var(--oc-border);
}

.oc-course-card:last-child {
	border-right: none;
}

.oc-icon {
	width: 74px;
	height: 74px;
	margin: 0 auto 18px;
	display: grid;
	place-items: center;
	background: #fff;
	border: 2px solid var(--oc-blue-light);
	border-radius: 50%;
	font-size: 3.2rem;
}

.oc-icon img {
	width: 55px;
	height: auto;
}

.oc-course-card h5 {
	font-size: 1.8rem;
	color: var(--oc-blue);
	margin-bottom: 12px;
}

.oc-course-card p {
	font-size: 1.4rem;
	line-height: 1.8;
	color: var(--oc-sub);
	text-align: left;
}

.oc-no-experience {
	max-width: 760px;
	margin: 24px auto 0;
	padding: 18px 26px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 18px;
	background: linear-gradient(90deg, #fffdf0, var(--oc-green-soft));
	border-radius: 16px;
	font-size: 1.5rem;
	box-shadow: 0 10px 22px rgba(117, 143, 0, 0.08);
}

.oc-no-experience strong {
	color: var(--oc-blue);
}

.oc-flow-card {
	padding: 28px;
}

.oc-flow-card h4 {
	font-size: 2rem;
	color: var(--oc-blue);
	margin-bottom: 18px;
}

.oc-flow-card li {
	display: flex;
	align-items: flex-start;
	gap: 18px;
	padding: 16px 0;
	border-bottom: 1px dashed var(--oc-border);
	font-size: 1.5rem;
	line-height: 1.7;
}

.oc-flow-card li:last-child {
	border-bottom: none;
}

.oc-flow-card li span {
	min-width: 70px;
	font-family: "Quicksand", sans-serif;
	font-weight: 800;
	color: var(--oc-blue);
}

.oc-application-box {
	display: grid;
	grid-template-columns: 0.85fr 1.15fr;
	gap: 28px;
	padding: 34px;
	background: linear-gradient(135deg, #ffffff 0%, #f2f8ff 100%);
}

.oc-application-text p {
	font-size: 1.5rem;
	line-height: 1.85;
	color: var(--oc-sub);
	margin-top: 16px;
}

.oc-mail-info {
	margin-top: 24px;
}

.oc-mail-info div {
	margin-bottom: 16px;
}

.oc-mail-info dt {
	display: inline-block;
	padding: 5px 12px;
	border-radius: 999px;
	background: var(--oc-blue);
	color: #fff;
	font-size: 1.3rem;
	font-weight: 700;
	margin-bottom: 8px;
}

.oc-mail-info dd {
	font-size: 1.6rem;
	font-weight: 700;
}

.oc-mail-info a {
	color: var(--oc-blue);
	text-decoration: underline;
}

.oc-replace-note {
	font-size: 1.25rem !important;
	color: #8a5b00 !important;
}

.oc-copy-area {
	background: #fff;
	border: 1px solid var(--oc-border);
	border-radius: 18px;
	padding: 20px;
}

.oc-copy-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 14px;
}

.oc-copy-head h4 {
	font-size: 1.8rem;
}

.oc-copy-btn {
	padding: 10px 18px;
	border-radius: 999px;
	background: var(--oc-blue);
	color: #fff;
	font-size: 1.4rem;
	font-weight: 700;
	cursor: pointer;
	transition: background 0.2s ease;
}

.oc-copy-btn:hover,
.oc-copy-btn.is-copied {
	background: var(--oc-blue-dark);
}

.oc-copy-area pre {
	min-height: 260px;
	padding: 18px;
	background: #f8fbff;
	border-radius: 14px;
	border: 1px solid #e7eef8;
	font-size: 1.4rem;
	line-height: 1.85;
	white-space: pre-wrap;
	word-break: break-word;
}

.oc-notice-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
}

.oc-notice-card {
	padding: 24px 20px;
	text-align: center;
}

.oc-notice-card span {
	display: block;
	font-size: 3.4rem;
	margin-bottom: 14px;
}

.oc-notice-card p {
	font-size: 1.4rem;
	line-height: 1.8;
	color: var(--oc-sub);
	text-align: left;
}

.oc-notice-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 24px;
}

.oc-notice-icon img.per {
	max-width: 150px;

	object-fit: contain;
	display: block;
}

.oc-notice-icon img {
	max-width: 80px;
	max-height: 80px;
	object-fit: contain;
	display: block;
}

.oc-bottom-cta {
	max-width: 1120px;
	margin: 26px auto 56px;
	padding: 34px 5vw;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 26px;
	background:
		radial-gradient(circle at 10% 50%, rgba(255, 255, 255, 0.55), transparent 18%),
		linear-gradient(90deg, var(--oc-green) 0%, #efff9f 100%);
	border-radius: 26px;
	box-shadow: 0 16px 34px rgba(117, 143, 0, 0.16);
}

.oc-bottom-cta p {
	font-size: 1.5rem;
	font-weight: 700;
	margin-bottom: 6px;
}

.oc-bottom-cta .oc-btn.primary {
	background: var(--oc-blue);
	color: #fff;
	flex-shrink: 0;
}

@media screen and (max-width: 1100px) {

	.oc-date-grid,
	.oc-notice-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.oc-hero-inner,
	.oc-application-box {
		grid-template-columns: 1fr;
	}

	.oc-hero-copy {
		padding: 44px 36px 10px;
	}

	.oc-hero-visual {
		min-height: 300px;
	}

	.oc-hero-visual::before {
		background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), transparent 40%);
	}
}

@media screen and (max-width: 780px) {
	.current-menu::after {
		display: none;
	}

	.oc-hero {
		padding: 28px 4vw 18px;
	}

	.oc-hero-inner {
		border-radius: 22px;
	}

	.oc-hero-copy {
		padding: 34px 24px 0;
	}

	.oc-hero-btns,
	.oc-bottom-cta {
		align-items: stretch;
		flex-direction: column;
	}

	.oc-btn {
		width: 100%;
	}

	.oc-section {
		padding: 36px 4vw;
	}

	.oc-date-grid,
	.oc-time-grid,
	.oc-flow-grid,
	.oc-notice-grid {
		grid-template-columns: 1fr;
	}

	.oc-course-grid {
		grid-template-columns: 1fr;
	}

	.oc-course-card {
		border-right: none;
		border-bottom: 1px solid var(--oc-border);
	}

	.oc-course-card:last-child {
		border-bottom: none;
	}

	.oc-no-experience {
		align-items: flex-start;
		flex-direction: column;
	}

	.oc-copy-head {
		align-items: flex-start;
		flex-direction: column;
	}

	.oc-copy-btn {
		width: 100%;
	}
}

@media screen and (max-width: 480px) {
	.oc-hero h2 {
		font-size: 3.3rem;
	}

	.oc-hero-visual {
		min-height: 220px;
	}

	.oc-date-card,
	.oc-flow-card,
	.oc-application-box,
	.oc-copy-area,
	.oc-notice-card {
		border-radius: 18px;
	}

	.oc-application-box {
		padding: 22px;
	}

	.oc-copy-area pre {
		font-size: 1.3rem;
	}
}