@charset "UTF-8";

/* ファーストビュー */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-slides {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}
.slide {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05);
  animation: heroFade 18s infinite linear;
}
.slide:nth-child(1) { animation-delay: 0s; background-image: url("../images/top01.jpg"); }
.slide:nth-child(2) { animation-delay: 6s; background-image: url("../images/top02.jpg"); }
.slide:nth-child(3) { animation-delay: 12s; background-image: url("../images/top03.jpg"); }

@keyframes heroFade {
  0% { opacity: 0; transform: scale(1.05); }
  10% { opacity: 1; }
  33% { opacity: 1; transform: scale(1); }
  43% { opacity: 0; transform: scale(0.95); }
  100% { opacity: 0; }
}
.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(0,0,0,0.6) 100%);
  pointer-events: none;
}
.hero-text {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--color-white);
  width: 90%;
}
.hero-text p {
  font-size: clamp(24px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: 0.3em;
  margin-bottom: 15px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.hero-text h1 {
  font-size: clamp(32px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: 0.1em;
  margin: 0;
  line-height: 1.2;
  text-shadow: 0 4px 15px rgba(0,0,0,0.6);
}

/* 導入セクション */
.intro-parallax {
  background-image: url('https://eco.his-j.com/LP/mongolia/images/para.jpg');
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  padding: 120px 0;
  position: relative;
}
.intro-parallax::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(244, 241, 234, 0.85);
}
.intro-content {
  position: relative;
  z-index: 2;
  background: var(--color-white);
  padding: 60px;
  border-radius: 4px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  text-align: center;
}
.intro-content p {
  text-align: left;
  font-size: 17px;
  font-weight: 500;
}

/* おすすめツアー枠 */
.recommend-section {
  padding: 80px 0;
  background-color: var(--color-bg);
}
.recommend-space {
  border: 2px dashed #bba;
  background-color: rgba(255,255,255,0.5);
  height: 300px;
  display: flex; align-items: center; justify-content: center;
  color: #888; font-weight: bold; font-size: 18px;
}

/* 体験アクティビティ */
.activity-section {
  padding: 60px 0 100px;
  background-color: var(--color-white);
  overflow: hidden;
}
.dynamic-block {
  display: flex;
  align-items: center;
  margin-bottom: 150px;
  position: relative;
}
.dynamic-block:last-child { margin-bottom: 50px; }
.dynamic-img-area {
  width: 65%;
  position: relative;
}
.dynamic-slider img {
  height: 60vh;
  min-height: 400px;
}
.dynamic-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 15px;
}
.dynamic-sub-grid img {
  width: 100%; height: 120px; object-fit: cover;
}
.dynamic-text-area {
  width: 45%;
  background: var(--color-bg);
  padding: 50px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
  position: relative;
  margin-left: -10%;
  z-index: 5;
}
.dynamic-text-area h3 {
  font-size: 28px;
  font-weight: 900;
  color: var(--color-blue);
  margin-top: 0;
  margin-bottom: 20px;
  border-left: 5px solid var(--color-accent);
  padding-left: 15px;
}
.dynamic-text-area p {
  font-weight: 500;
}
.dynamic-block.reverse {
  flex-direction: row-reverse;
}
.dynamic-block.reverse .dynamic-text-area {
  margin-left: 0;
  margin-right: -10%;
}
.resort-list {
  list-style: none; padding: 0; margin-top: 20px;
  background: var(--color-white); padding: 20px; border: 1px solid #ddd;
}
.resort-list li { border-bottom: 1px dashed #ccc; padding: 8px 0; font-weight: 500; }
.resort-list li:last-child { border-bottom: none; }

/* 背景色セクション */
.gray-bg-section { background-color: var(--color-bg); padding: 80px 0; }
.white-bg-section { background-color: var(--color-white); padding: 80px 0; }

/* カードレイアウト (観光スポット・料理) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.card {
  background: var(--color-white);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}
.card:hover { transform: translateY(-10px); }
.card-img { width: 100%; height: 250px; object-fit: cover; }
.card-content { padding: 25px; }
.card-content h3 { font-size: 20px; font-weight: 900; color: var(--color-green); margin-top: 0; }
.card-content p { font-weight: 500; }

/* 体験談 */
.voice-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;
}
.voice-card {
  display: flex; background: var(--color-white); box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.voice-img { width: 40%; object-fit: cover; }
.voice-text { 
  width: 60%; 
  padding: 25px; 
  font-size: 15px; 
  font-weight: 500; 
  box-sizing: border-box; /* はみ出し防止用 */
}

/* 目的別おすすめ時期・気温と日の出／日の入時刻の表 */
.table-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-green);
  margin-top: 60px;
  margin-bottom: 20px;
  border-left: 5px solid var(--color-accent);
  padding-left: 15px;
}
.table-note {
  font-size: 14px;
  margin-bottom: 10px;
  font-weight: 500;
}
.table-source {
  font-size: 12px;
  margin-top: 10px;
  color: #666;
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
.data-table {
  width: 100%;
  background: var(--color-white);
  border-collapse: collapse;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  min-width: 700px;
}
.data-table th, .data-table td {
  padding: 15px;
  border: 1px solid #ddd;
  font-size: 15px;
}
.data-table th {
  background-color: #faf9f6;
  font-weight: 700;
  color: var(--color-blue);
  text-align: center;
}
.data-table td {
  line-height: 1.6;
}
.text-center th, .text-center td {
  text-align: center;
}
.col-center td:nth-child(1),
.col-center td:nth-child(2) {
  text-align: center;
}

/* FAQ アコーディオン */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--color-white); margin-bottom: 15px; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.faq-q {
  padding: 20px 25px; font-weight: 700; color: var(--color-green); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-q::after { content: '+'; font-size: 24px; transition: transform 0.3s; }
.faq-a {
  padding: 0 25px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
  background: #faf9f6;
}
.faq-item.active .faq-q::after { transform: rotate(45deg); }
.faq-item.active .faq-a { padding: 20px 25px; max-height: 800px; font-weight: 500; }

/* モンゴル基本情報 テーブル */
.basic-info-table {
  width: 100%; background: var(--color-white);
  border-collapse: collapse; box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.basic-info-table th, .basic-info-table td {
  padding: 20px; border-bottom: 1px solid #eee; text-align: left;
  box-sizing: border-box; /* スマホ崩れ防止用 */
}
.basic-info-table th {
  width: 25%; font-weight: 700; color: var(--color-blue); background-color: #faf9f6;
}

/* スクロールヒント（PCでは非表示） */
.scroll-hint {
  display: none;
}

.dynamic-main-img {
  width: 100%;
  height: 60vh;
  min-height: 400px;
  object-fit: cover;
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.dynamic-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 15px;
}
.dynamic-sub-grid img {
  width: 100%; 
  height: 120px; 
  object-fit: cover;
}