@charset "UTF-8";

/* ==========================================================================
   共通レイアウト・ユーティリティ
   ========================================================================== */
.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 40px;
}

.section {
	padding: 120px 0;
}

/* セクションタイトル */
.section-title {
	font-family: var(--font-serif);
	font-size: 42px;
	color: var(--color-gold);
	text-align: center;
	margin-bottom: 60px;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.section-title span {
	font-family: var(--font-main);
	font-size: 14px;
	color: var(--color-text);
	letter-spacing: 0.2em;
	margin-top: 10px;
	text-transform: uppercase;
}

.section-desc {
	text-align: center;
	margin-bottom: 60px;
	color: #CCCCCC;
}

/* プレースホルダー（画像がない場合の枠） */
.image-placeholder {
	background-color: #222222;
	border: 1px solid rgba(212, 175, 55, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
	color: #888888;
	font-size: 14px;
	text-align: center;
	padding: 20px;
	aspect-ratio: 16 / 9;
}

/* ==========================================================================
   ヒーローセクション
   ========================================================================== */
.hero {
	position: relative;
	height: 100vh;
	min-height: 700px;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	overflow: hidden;
}

.hero-bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
}

.hero-bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.6;
	/* テキストの視認性向上のため */
}

/* グラデーションオーバーレイ */
.hero::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.9) 100%);
	z-index: -1;
}

.hero-content {
	z-index: 10;
	padding: 0 20px;
	animation: fadeIn 1.5s ease-out;
}

.hero-subcopy {
	font-size: 18px;
	color: var(--color-gold-light);
	margin-bottom: 20px;
	letter-spacing: 0.1em;
	font-weight: 500;
}

.hero-copy {
	font-family: var(--font-serif);
	font-size: 48px;
	line-height: 1.4;
	color: var(--color-white);
	margin-bottom: 30px;
	text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero-date {
	font-size: 24px;
	color: var(--color-gold);
	font-weight: bold;
	margin-bottom: 50px;
}

.btn-cta {
	display: inline-block;
	background: linear-gradient(135deg, #D4AF37 0%, #AA8000 100%);
	color: #000000;
	font-size: 18px;
	font-weight: bold;
	padding: 20px 60px;
	border-radius: 50px;
	box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
	transition: all 0.3s ease;
	letter-spacing: 0.05em;
}

.btn-cta:hover {
	transform: translateY(-3px);
	box-shadow: 0 15px 40px rgba(212, 175, 55, 0.6);
	color: #000000;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(20px);
	}

	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ==========================================================================
   ABOUT（主催者挨拶・コンセプト）
   ========================================================================== */
.about-flex {
	display: flex;
	gap: 60px;
	align-items: center;
}

.about-image {
	flex: 1;
}

.about-image .image-placeholder {
	aspect-ratio: 3 / 4;
	border-radius: 10px;
}

.about-text {
	flex: 1;
}

.about-text h3 {
	font-size: 28px;
	color: var(--color-white);
	margin-bottom: 30px;
	font-family: var(--font-serif);
}

.about-text p {
	margin-bottom: 20px;
	font-size: 16px;
	line-height: 1.8;
}

.about-host {
	margin-top: 40px;
	font-weight: bold;
	color: var(--color-gold);
}

/* ==========================================================================
   PAST EVENTS（過去大会の様子）
   ========================================================================== */
.past-events {
	background-color: var(--color-dark);
}

.gallery-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
}

.gallery-item {
	position: relative;
	border-radius: 10px;
	overflow: hidden;
}

.gallery-item img,
.gallery-item .image-placeholder {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	transition: transform 0.5s ease;
}

/* 個別の画像位置・ズーム調整 */
.gallery-grid .gallery-item:nth-child(1) img {
	object-position: center 35%;
}

.gallery-grid .gallery-item:nth-child(2) img {
	transform: scale(1.5);
	/* 赤いドレスの女性をズーム */
}

.gallery-item:hover img,
.gallery-item:hover .image-placeholder {
	transform: scale(1.05);
}

.gallery-grid .gallery-item:nth-child(2):hover img {
	transform: scale(1.55);
	/* ベースがズームされているためホバー倍率も調整 */
}

.gallery-item figcaption {
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	padding: 20px;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
	color: var(--color-white);
	font-size: 14px;
	font-weight: 500;
}

/* ==========================================================================
   ARCHIVES（大会アーカイブ）
   ========================================================================== */
.archive-list {
	display: flex;
	flex-direction: column;
	gap: 40px;
	max-width: 800px;
	margin: 0 auto;
}

.archive-card {
	display: flex;
	background-color: var(--color-dark);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 10px;
	overflow: hidden;
	transition: border-color 0.3s ease;
}

.archive-card:hover {
	border-color: var(--color-gold);
}

.archive-thumb {
	flex: 0 0 300px;
	aspect-ratio: 16 / 9;
}

.archive-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.archive-info {
	padding: 30px;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.archive-info h3 {
	font-size: 20px;
	color: var(--color-white);
	margin-bottom: 20px;
}

.link-arrow {
	display: inline-flex;
	align-items: center;
	font-weight: bold;
}

.link-arrow::after {
	content: '→';
	margin-left: 10px;
	transition: transform 0.3s ease;
}

.link-arrow:hover::after {
	transform: translateX(5px);
}

/* ==========================================================================
   AMBASSADORS（アンバサダー紹介）
   ========================================================================== */
.ambassadors {
	background-color: var(--color-dark);
}

.ambassador-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 40px;
}

.ambassador-card {
	text-align: center;
	background-color: rgba(255, 255, 255, 0.03);
	padding: 40px 20px;
	border-radius: 10px;
	border: 1px solid rgba(255, 255, 255, 0.05);
	transition: transform 0.3s ease, border-color 0.3s ease;
}

.ambassador-card:hover {
	transform: translateY(-10px);
	border-color: rgba(212, 175, 55, 0.3);
}

.ambassador-thumb {
	width: 160px;
	height: 160px;
	border-radius: 50%;
	margin: 0 auto 20px;
	border: 3px solid var(--color-gold);
	aspect-ratio: 1 / 1;
}

.ambassador-card h3 {
	font-size: 20px;
	color: var(--color-white);
	margin-bottom: 15px;
}

.ambassador-profile {
	font-size: 14px;
	color: #AAAAAA;
	text-align: left;
}

/* ==========================================================================
   SPONSORS（スポンサー・協賛募集）
   ========================================================================== */
.sponsor-recruit {
	text-align: center;
	max-width: 800px;
	margin: 0 auto;
}

.sponsor-recruit h3 {
	font-size: 24px;
	color: var(--color-white);
	margin-bottom: 20px;
	line-height: 1.5;
}

.sponsor-recruit>p {
	margin-bottom: 50px;
	color: #BBBBBB;
}

.sponsor-plans {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
	margin-bottom: 20px;
}

.plan-card {
	background-color: rgba(212, 175, 55, 0.1);
	border: 1px solid rgba(212, 175, 55, 0.3);
	padding: 30px 20px;
	border-radius: 10px;
}

.plan-card h4 {
	color: var(--color-gold);
	font-size: 18px;
	margin-bottom: 10px;
}

.plan-card p {
	font-size: 24px;
	font-weight: bold;
	color: var(--color-white);
}

.plan-note {
	font-size: 12px;
	color: #888888;
	margin-bottom: 60px;
}

.sponsor-logos-title {
	font-size: 18px;
	color: var(--color-white);
	margin-bottom: 30px;
}

.logo-grid {
	display: flex;
	justify-content: center;
	gap: 20px;
	margin-bottom: 60px;
	flex-wrap: wrap;
}

.logo-item {
	width: 150px;
	height: 80px;
	background-color: var(--color-white);
	border-radius: 5px;
	color: #333333;
}

.btn-outline {
	display: inline-block;
	border: 1px solid var(--color-gold);
	color: var(--color-gold);
	padding: 15px 40px;
	border-radius: 30px;
	font-weight: bold;
	transition: all 0.3s ease;
}

.btn-outline:hover {
	background-color: var(--color-gold);
	color: var(--color-black);
}

/* ==========================================================================
   CTA セクション
   ========================================================================== */
.cta-section {
	position: relative;
	padding: 150px 20px;
	text-align: center;
	overflow: hidden;
}

.cta-bg {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: -1;
}

.cta-bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	opacity: 0.4;
}

.cta-section::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(212, 175, 55, 0.2) 100%);
	z-index: -1;
}

.cta-content {
	z-index: 10;
}

.cta-content h2 {
	font-family: var(--font-serif);
	font-size: 48px;
	color: var(--color-white);
	margin-bottom: 20px;
}

.cta-content p {
	font-size: 18px;
	margin-bottom: 50px;
	color: #E0E0E0;
}

.line-btn {
	background: #06C755;
	/* LINE カラー */
	color: #FFFFFF;
	box-shadow: 0 10px 30px rgba(6, 199, 85, 0.3);
}

.line-btn:hover {
	background: #05B04B;
	color: #FFFFFF;
	box-shadow: 0 15px 40px rgba(6, 199, 85, 0.5);
}

/* ==========================================================================
   レスポンシブ (タブレット)
   ========================================================================== */
@media screen and (max-width: 1200px) {
	.hero-copy {
		font-size: 36px;
	}

	.about-flex {
		flex-direction: column;
	}

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

/* ==========================================================================
   レスポンシブ (スマートフォン)
   ========================================================================== */
@media screen and (max-width: 600px) {
	.container {
		padding: 0 20px;
	}

	.section {
		padding: 80px 0;
	}

	.section-title {
		font-size: 32px;
		margin-bottom: 40px;
	}

	.hero {
		min-height: 600px;
	}

	.hero-copy {
		font-size: 28px;
	}

	.hero-date {
		font-size: 18px;
	}

	.btn-cta {
		padding: 15px 30px;
		font-size: 14px;
	}

	.gallery-grid {
		grid-template-columns: 1fr;
	}

	.archive-card {
		flex-direction: column;
	}

	.archive-thumb {
		flex: auto;
	}

	.ambassador-grid {
		grid-template-columns: 1fr;
	}

	.sponsor-plans {
		grid-template-columns: 1fr;
	}

	.cta-content h2 {
		font-size: 32px;
	}
}