/**
 * 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);
  }
}

/* ===== モバイル用 Projects (projects-mobile) 初期状態は非表示 ===== */
.projects-mobile {
  display: none;
}
.projects-mobile .section-container {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}
.projects-mobile .project-card {
  margin: 24px 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
}
.projects-mobile .project-card__title {
  font-size: 1.6rem;
  color: #f6bf00;
  font-family: var(--font-english);
}
.projects-mobile .project-tagline {
  font-size: 1rem;
  margin-top: 4px;
  margin-bottom: 8px;
}
.projects-mobile .project-card__media {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.projects-mobile .project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.projects-mobile .project-card__text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-white);
  margin-top: 12px;
  margin-bottom: 12px;
}

/* ===== 767px以下でモバイル版を表示、PC版を非表示 ===== */
@media (max-width: 767px) {
  .projects {
    display: none;
  }
  .projects-mobile {
    display: block;
    padding: 120px 0 40px;
  }
  .projects-mobile .section-container {
    padding: 0 var(--spacing-sm);
  }
}