/**
 * Projects Section - Zigzag Hybrid Scroll Styling (renamed from Services)
 * サービスセクション → プロジェクトセクション
 * 参考: https://and-ha.com/coding/hybrid-scroll/
 */

/* ===== リセットとベーススタイル ===== */
* {
    box-sizing: border-box;
}

/* ===== プロジェクトヘッダーセクション ===== */
	.projects {
		position: relative;
		height: auto;
		display: block;
		contain: paint; /* 背景疑似要素の描画を要素境界内に収める（stickyを壊さない） */
		isolation: isolate; /* セクション間のスタッキングコンテキスト分離 */
	}

/* 背景画像（ぼかし適用） */
.projects::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 0;
	background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url("../assets/images/png/vision-bg13.png");
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	filter: blur(var(--projects-bg-blur, 4px));
	transform: scale(1.03);
}

/* セクション内の実コンテンツが前面に来るように */
.projects > * {
	position: relative;
	z-index: 1;
}

.projects .projects-header {
	text-align: center;
	position: sticky;
	top: 0;
	left: 0;
	right: 0;
	padding-top: 120px;
	background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.02) 100%);
	backdrop-filter: blur(16px) saturate(160%);
	-webkit-backdrop-filter: blur(16px) saturate(160%);
	border-bottom: 1px solid rgba(255, 255, 255, 0.12);
	z-index: 20;
}

/* 追加: プロジェクト用コンテナの統一レイアウト */
.projects .section-container {
	max-width: 1200px;
	width: 100%;
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	box-sizing: border-box;
}

/* ヘッダー内のコンテナは高さを自動にして余白を自然に */
.projects .projects-header .section-container {
	height: auto;
}

/* セクションヘッダーのpadding-bottomを除去 */
.projects .section-header {
	padding-bottom: 0;
	margin-bottom: 0;
}

	.projects .projects-header .section-title {
    	font-size: 3.5rem;
    	color: var(--color-white);
    	text-shadow: 0 0 20px rgba(246, 191, 0, 0.3);
    	margin-bottom: var(--spacing-sm);
    	font-family: var(--font-english);
    }

.projects .projects-header .section-subtitle {
	font-size: 1.2rem;
	color: var(--color-gray);
	letter-spacing: 0.2em;
}

/* ===== ハイブリッドスクロールコンテナ ===== */
	.scroll_container {
		height: calc(var(--slides-count, 2) * 100vh); /* スライド数に応じて縦スクロール量を可変化 */
	}

.sticky_wrap {
    overflow: hidden;
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100vw;
}

	.horizontal_scroll {
		position: absolute;
		top: 0;
		height: 100%;
		width: calc(var(--slides-count, 2) * 100vw); /* スライド数に応じて横幅を可変化 */
		will-change: transform;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0;
}

.project-slide {
    flex: 0 0 100vw; /* 各スライドが100vw幅 */
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--spacing-xl);
    position: relative;
}

/* ===== プロジェクト概要スタイル（内部クラスは project- に統一） ===== */
.project-slide {
	flex: 0 0 100vw; /* 各スライドが100vw幅 */
	width: 100vw;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 var(--spacing-xl);
	position: relative;
}

.project-overview {
    margin-top: 200px;
	text-align: center;
	max-width: 1200px;
	width: 100%;
}

.project-intro h3 {
	font-size: 3.5rem;
	color: #f6bf00;
	/* margin-bottom: var(--spacing-lg); */
	font-family: var(--font-english);
}

.project-tagline {
	font-size: 1.4rem;
	color: var(--color-white);
	margin-bottom: var(--spacing-sm);
	line-height: 1.6;
}

/* Project CLOTO overview layout */
.project-overview__row {
	display: flex;
	align-items: center;
    height: 40vh;
}

.project-overview__col {
	width: 50%;
	padding: 24px;
    height: 100%;
    position: relative;
	overflow: hidden;
}

.project-overview__col:first-child {
	overflow: visible;
}

.project-overview__col:last-child {
	display: flex;
	align-items: center;
	justify-content: center;
}

.project-overview__col:last-child picture {
	display: block;
	width: 100%;
	height: 100%;
}

.project-overview__image {
	width: 100%;
	height: 100%;
	object-fit: contain;
	object-position: center;
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.project-overview-text-container {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

 .project-overview-text {
    margin-top: var(--spacing-sm);
 	font-size: 20px;
 	line-height: 1.9;
 	color: var(--color-white);
 	text-align: left;
 }
  
 .project-features {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

.feature-tag {
    background: linear-gradient(135deg, var(--color-accent), #f6bf00);
    color: var(--color-black);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.feature-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(246, 191, 0, 0.3);
}

/* ===== プロジェクト詳細スタイル（内部クラスは project- に統一） ===== */
.project-detail {
    margin-top: 200px;
	max-width: 1200px;
	width: 100%;
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--spacing-xl);
}

.project-detail__content h3 {
	font-size: 3rem;
	color: #f6bf00;
	/* margin-bottom: var(--spacing-lg); */
	font-family: var(--font-english);
	text-align: center;
}

.project-detail__description {
	margin-bottom: var(--spacing-lg);
}

.project-detail__description p {
	font-size: 1.2rem;
	color: var(--color-gray);
	line-height: 1.8;
	margin-bottom: var(--spacing-md);
	text-align: center;
}

.project-capabilities {
	list-style: none;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--spacing-sm);
	margin-bottom: var(--spacing-lg);
}

.project-capabilities li {
	color: var(--color-white);
	padding: 1rem 1.5rem;
	background: rgba(246, 191, 0, 0.1);
	border-left: 4px solid var(--color-accent);
	border-radius: 6px;
	font-size: 1rem;
	transition: all var(--transition-fast);
}

.project-capabilities li:hover {
	background: rgba(246, 191, 0, 0.2);
	transform: translateX(8px);
}

.project-detail__tech h4 {
	font-size: 1.5rem;
	color: var(--color-accent);
	margin-bottom: var(--spacing-md);
	text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
}

.tech-item {
    display: block;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(246, 191, 0, 0.2);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: rgba(246, 191, 0, 0.1);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}



/* Allow per-container slide count via data-attribute */
.scroll_container[data-slides] .horizontal_scroll {
	width: calc(attr(data-slides number) * 100vw);
}
.scroll_container[data-slides] {
	height: calc(attr(data-slides number) * 100vh);
}

/* ===== レスポンシブデザイン ===== */
@media (max-width: 1024px) {
    .projects .projects-header .section-title { font-size: 3rem; }
    .project-intro h3 { font-size: 2.8rem; }
    .project-detail__content h3 { font-size: 2.5rem; }
    .project-capabilities { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
}

@media (max-width: 768px) {
    .projects .projects-header .section-title { font-size: 2.5rem; }
    .projects .projects-header .section-subtitle { font-size: 1.1rem; }
    .project-intro h3 { font-size: 2.2rem; }
    .project-detail__content h3 { font-size: 2rem; }
    .project-tagline { font-size: 1.2rem; }
    .project-features { flex-direction: column; align-items: center; }
    .feature-tag { font-size: 0.9rem; padding: 0.5rem 1rem; }
    .project-detail__description p { font-size: 1.1rem; }
    .tech-grid { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); }
}

@media (max-width: 480px) {
    .projects .projects-header .section-title { font-size: 2rem; }
    .project-intro h3 { font-size: 1.8rem; }
    .project-detail__content h3 { font-size: 1.6rem; }
    .project-slide { padding: 0 var(--spacing-md); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}