@charset "utf-8";

/* ========================================================
   春の合同説明会 2026 — Event Page Styles
   Color scheme: Navy (#1b3b5c) based, from チラシ design
   ======================================================== */

/* Variables
-------------------------------------------------------- */
:root {
	--navy: #1b3b5c;
	--navy-light: #2a5580;
	--navy-dark: #0f2640;
	--accent: #3a8bbf;
	--accent-light: #e8f2fa;
	--text: #333;
	--text-light: #666;
	--white: #fff;
	--gray-bg: #f5f7fa;
	--gray-border: #d0d8e0;
	--border-radius: 8px;
}

/* Page base
-------------------------------------------------------- */
.goudou-page {
	text-align: left;
	color: var(--text);
}
.goudou-page .sec {
	max-width: 1040px;
	margin: 0 auto;
	padding: 0 30px;
	box-sizing: border-box;
}

/* Hero
-------------------------------------------------------- */
.goudou-hero {
	position: relative;
	overflow: hidden;
	background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--navy-light) 100%);
	color: var(--white);
	padding: 80px 0 60px;
}
.goudou-hero::before {
	content: '';
	position: absolute;
	top: -50%;
	right: -20%;
	width: 600px;
	height: 600px;
	background: radial-gradient(circle, rgba(58,139,191,0.15) 0%, transparent 70%);
	border-radius: 50%;
}
.goudou-hero::after {
	content: '';
	position: absolute;
	bottom: -30%;
	left: -10%;
	width: 400px;
	height: 400px;
	background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
	border-radius: 50%;
}
.goudou-hero .sec {
	position: relative;
	z-index: 1;
}
.goudou-hero .label {
	display: inline-block;
	font-size: 1.4rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	padding: 0.4em 1.2em;
	border: 1px solid rgba(255,255,255,0.5);
	border-radius: 30px;
	margin: 0 0 20px;
}
.goudou-hero .main-ttl {
	font-size: 3.6rem;
	font-weight: 700;
	line-height: 1.3;
	margin: 0 0 10px;
}
.goudou-hero .sub-ttl {
	font-size: 2.0rem;
	font-weight: 500;
	line-height: 1.4;
	opacity: 0.9;
	margin: 0 0 30px;
}
.goudou-hero .info-row {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	margin: 0;
}
.goudou-hero .info-row dl {
	display: flex;
	align-items: baseline;
	gap: 8px;
}
.goudou-hero .info-row dt {
	font-size: 1.3rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	padding: 0.3em 0.8em;
	background: rgba(255,255,255,0.15);
	border-radius: 4px;
	white-space: nowrap;
}
.goudou-hero .info-row dd {
	font-size: 1.6rem;
	font-weight: 500;
}

/* Photo grid under hero
-------------------------------------------------------- */
.goudou-photos {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 0;
}
.goudou-photos .photo {
	aspect-ratio: 4/3;
	overflow: hidden;
}
.goudou-photos .photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

/* Catch copy
-------------------------------------------------------- */
.goudou-catch {
	text-align: center;
	padding: 60px 0;
	background: var(--white);
}
.goudou-catch .lead {
	font-size: 2.4rem;
	font-weight: 700;
	color: var(--navy);
	line-height: 1.6;
}
.goudou-catch .desc {
	font-size: 1.5rem;
	color: var(--text-light);
	margin: 15px 0 0;
	line-height: 1.8;
}

/* Section title
-------------------------------------------------------- */
.goudou-page .sec-ttl {
	text-align: center;
	margin: 0 0 40px;
}
.goudou-page .sec-ttl h2 {
	font-size: 2.8rem;
	font-weight: 700;
	color: var(--navy);
	position: relative;
	display: inline-block;
	padding: 0 0 15px;
}
.goudou-page .sec-ttl h2::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 3px;
	background: var(--accent);
	border-radius: 2px;
}
.goudou-page .sec-ttl .en {
	display: block;
	font-size: 1.2rem;
	font-weight: 500;
	color: var(--accent);
	letter-spacing: 0.15em;
	text-transform: uppercase;
	margin: 8px 0 0;
}

/* Program section
-------------------------------------------------------- */
.goudou-program {
	padding: 70px 0;
	background: var(--gray-bg);
}
.goudou-program .cards {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
}
.goudou-program .card {
	background: var(--white);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: 0 2px 12px rgba(0,0,0,0.06);
	transition: transform 0.3s, box-shadow 0.3s;
}
.goudou-program .card:hover {
	transform: translateY(-4px);
	box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.goudou-program .card .img {
	aspect-ratio: 4/3;
	overflow: hidden;
}
.goudou-program .card .img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.goudou-program .card .ctx {
	padding: 20px;
}
.goudou-program .card .num {
	display: inline-block;
	font-size: 1.2rem;
	font-weight: 700;
	color: var(--white);
	background: var(--navy);
	padding: 0.2em 0.8em;
	border-radius: 3px;
	margin: 0 0 10px;
}
.goudou-program .card h3 {
	font-size: 1.8rem;
	font-weight: 700;
	color: var(--navy);
	line-height: 1.4;
	margin: 0 0 8px;
}
.goudou-program .card p {
	font-size: 1.3rem;
	color: var(--text-light);
	line-height: 1.7;
}

/* Schedule section
-------------------------------------------------------- */
.goudou-schedule {
	padding: 70px 0;
	background: var(--white);
}
.goudou-schedule .tab-nav {
	display: flex;
	justify-content: center;
	gap: 0;
	margin: 0 0 30px;
}
.goudou-schedule .tab-nav button {
	font-size: 1.6rem;
	font-weight: 700;
	color: var(--navy);
	padding: 12px 36px;
	background: var(--gray-bg);
	border: 2px solid var(--gray-border);
	cursor: pointer;
	transition: all 0.3s;
}
.goudou-schedule .tab-nav button:first-child {
	border-radius: var(--border-radius) 0 0 var(--border-radius);
}
.goudou-schedule .tab-nav button:last-child {
	border-radius: 0 var(--border-radius) var(--border-radius) 0;
	border-left: none;
}
.goudou-schedule .tab-nav button.active {
	background: var(--navy);
	border-color: var(--navy);
	color: var(--white);
}
.goudou-schedule .tab-content {
	display: none;
}
.goudou-schedule .tab-content.active {
	display: block;
}
.goudou-schedule .timetable {
	width: 100%;
	border-collapse: collapse;
	font-size: 1.5rem;
}
.goudou-schedule .timetable th,
.goudou-schedule .timetable td {
	padding: 14px 16px;
	border-bottom: 1px solid var(--gray-border);
	vertical-align: top;
	text-align: left;
}
.goudou-schedule .timetable thead th {
	background: var(--navy);
	color: var(--white);
	font-weight: 700;
	font-size: 1.4rem;
	border-bottom: none;
}
.goudou-schedule .timetable tbody tr:nth-child(even) {
	background: var(--gray-bg);
}
.goudou-schedule .timetable .time {
	font-weight: 700;
	color: var(--navy);
	white-space: nowrap;
	width: 180px;
}
.goudou-schedule .timetable .place {
	font-size: 1.3rem;
	color: var(--text-light);
	margin: 4px 0 0;
}
.goudou-schedule .timetable .tag {
	display: inline-block;
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--white);
	padding: 0.15em 0.6em;
	border-radius: 3px;
	margin: 0 6px 0 0;
}
.goudou-schedule .timetable .tag.tag-talk { background: var(--navy); }
.goudou-schedule .timetable .tag.tag-exp { background: var(--accent); }
.goudou-schedule .timetable .tag.tag-info { background: #6a9e3e; }

/* Venue section
-------------------------------------------------------- */
.goudou-venue {
	padding: 70px 0;
	background: var(--gray-bg);
}
.goudou-venue .venue-box {
	display: flex;
	gap: 30px;
	background: var(--white);
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.goudou-venue .venue-box .map {
	flex: 1;
	min-height: 300px;
}
.goudou-venue .venue-box .map iframe {
	width: 100%;
	height: 100%;
	border: 0;
	display: block;
}
.goudou-venue .venue-box .info {
	flex: 1;
	padding: 30px;
}
.goudou-venue .venue-box .info h3 {
	font-size: 2.0rem;
	font-weight: 700;
	color: var(--navy);
	margin: 0 0 15px;
}
.goudou-venue .venue-box .info dl {
	margin: 0 0 12px;
}
.goudou-venue .venue-box .info dt {
	font-size: 1.3rem;
	font-weight: 700;
	color: var(--accent);
	margin: 0 0 2px;
}
.goudou-venue .venue-box .info dd {
	font-size: 1.5rem;
	line-height: 1.6;
}

/* Apply section
-------------------------------------------------------- */
.goudou-apply {
	padding: 70px 0;
	background: var(--white);
}
.goudou-apply .apply-box {
	max-width: 700px;
	margin: 0 auto;
	text-align: center;
	padding: 40px;
	background: linear-gradient(135deg, var(--navy-dark), var(--navy));
	border-radius: var(--border-radius);
	color: var(--white);
}
.goudou-apply .apply-box h3 {
	font-size: 2.2rem;
	font-weight: 700;
	margin: 0 0 10px;
}
.goudou-apply .apply-box .period {
	font-size: 1.6rem;
	opacity: 0.9;
	margin: 0 0 8px;
}
.goudou-apply .apply-box .capacity {
	font-size: 1.4rem;
	opacity: 0.8;
	margin: 0 0 25px;
}
.goudou-apply .apply-box .btn-apply {
	display: inline-block;
	font-size: 1.8rem;
	font-weight: 700;
	color: var(--navy);
	text-decoration: none;
	padding: 14px 48px;
	background: var(--white);
	border-radius: 50px;
	transition: all 0.3s;
	position: static;
}
.goudou-apply .apply-box .btn-apply:hover {
	background: var(--accent-light);
	transform: translateY(-2px);
	box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.goudou-apply .online-box {
	max-width: 700px;
	margin: 20px auto 0;
	text-align: center;
	padding: 20px 40px;
	background: var(--accent-light);
	border-radius: var(--border-radius);
	border: 1px solid var(--accent);
}
.goudou-apply .online-box p {
	font-size: 1.5rem;
	color: var(--navy);
	line-height: 1.6;
}
.goudou-apply .online-box strong {
	font-weight: 700;
}

/* Note section
-------------------------------------------------------- */
.goudou-note {
	padding: 50px 0 70px;
	background: var(--white);
}
.goudou-note ul {
	max-width: 700px;
	margin: 0 auto;
	list-style: none;
	padding: 0;
}
.goudou-note ul li {
	font-size: 1.4rem;
	color: var(--text-light);
	line-height: 1.7;
	padding: 0 0 0 1.5em;
	margin: 0 0 6px;
	position: relative;
}
.goudou-note ul li::before {
	content: '\203B';
	position: absolute;
	left: 0;
}

/* Contact section
-------------------------------------------------------- */
.goudou-contact {
	padding: 50px 0;
	background: var(--gray-bg);
}
.goudou-contact .contact-box {
	max-width: 700px;
	margin: 0 auto;
	text-align: center;
}
.goudou-contact .contact-box p {
	font-size: 1.5rem;
	line-height: 1.8;
}
.goudou-contact .contact-box .tel {
	font-size: 2.0rem;
	font-weight: 700;
	color: var(--navy);
	text-decoration: none;
}
.goudou-contact .contact-box .mail {
	display: inline-block;
	font-size: 1.5rem;
	color: var(--white);
	text-decoration: none;
	padding: 10px 30px;
	background: var(--navy);
	border-radius: 50px;
	margin: 15px 0 0;
	transition: background 0.3s;
	position: static;
}
.goudou-contact .contact-box .mail:hover {
	background: var(--navy-light);
}

/* ========================================================
   Responsive (SP: 767px)
   ======================================================== */
@media screen and (max-width:767px) {
	.goudou-page .sec {
		padding: 0 20px;
	}

	/* Hero */
	.goudou-hero {
		padding: 50px 0 40px;
	}
	.goudou-hero .main-ttl {
		font-size: 2.4rem;
	}
	.goudou-hero .sub-ttl {
		font-size: 1.6rem;
	}
	.goudou-hero .info-row {
		flex-direction: column;
		gap: 10px;
	}

	/* Photos */
	.goudou-photos {
		grid-template-columns: repeat(2, 1fr);
	}

	/* Catch */
	.goudou-catch {
		padding: 40px 20px;
	}
	.goudou-catch .lead {
		font-size: 1.8rem;
	}
	.goudou-catch .desc {
		font-size: 1.4rem;
	}

	/* Section title */
	.goudou-page .sec-ttl h2 {
		font-size: 2.2rem;
	}

	/* Program */
	.goudou-program {
		padding: 50px 0;
	}
	.goudou-program .cards {
		grid-template-columns: repeat(2, 1fr);
		gap: 15px;
	}
	.goudou-program .card h3 {
		font-size: 1.5rem;
	}
	.goudou-program .card .ctx {
		padding: 15px;
	}

	/* Schedule */
	.goudou-schedule {
		padding: 50px 0;
	}
	.goudou-schedule .tab-nav button {
		font-size: 1.4rem;
		padding: 10px 20px;
	}
	.goudou-schedule .timetable {
		font-size: 1.3rem;
	}
	.goudou-schedule .timetable th,
	.goudou-schedule .timetable td {
		padding: 10px 8px;
	}
	.goudou-schedule .timetable .time {
		width: 110px;
		font-size: 1.2rem;
	}
	.goudou-schedule .timetable .place {
		font-size: 1.1rem;
	}

	/* Venue */
	.goudou-venue {
		padding: 50px 0;
	}
	.goudou-venue .venue-box {
		flex-direction: column;
	}
	.goudou-venue .venue-box .map {
		min-height: 220px;
	}
	.goudou-venue .venue-box .info {
		padding: 20px;
	}

	/* Apply */
	.goudou-apply {
		padding: 50px 0;
	}
	.goudou-apply .apply-box {
		padding: 30px 20px;
	}
	.goudou-apply .apply-box h3 {
		font-size: 1.8rem;
	}
	.goudou-apply .apply-box .btn-apply {
		font-size: 1.6rem;
		padding: 12px 36px;
	}

	/* Contact */
	.goudou-contact .contact-box .tel {
		font-size: 1.8rem;
	}
}

@media screen and (max-width:480px) {
	.goudou-program .cards {
		grid-template-columns: 1fr;
	}
}