* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: 'Noto Serif JP', serif; color:#333; background:#fafafa; line-height:1.8; }
.container { max-width:1200px; margin:0 auto; padding:0 20px; }

/* ヘッダー */
.site-header {
  position: fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(0,0,0,0.7); backdrop-filter:blur(15px);
  padding:20px 0; text-align:center; color:white;
}
.site-header.scrolled { background:rgba(0,0,0,0.95); padding:15px 0; }
.site-header h1 a { color:white; text-decoration:none; font-size:2rem; font-weight:700; }
.header-sub { font-size:0.95rem; margin-top:6px; opacity:0.9; }

/* スライダー部分 */
.hero-slider {
  position: relative;
  height: 90vh;
  min-height: 500px;
}
.hero-slider .swiper {
  width: 100%;
  height: 100%;
}
.hero-slider .swiper-slide {
  background-position: center;
  background-size: cover;
}
.hero-slider::before {
  content:""; position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(0,0,0,0.5),rgba(0,122,204,0.2));
  z-index:1;
}
.hero-caption {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 2;
  width: 90%;
}
.hero-caption h2 {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}
.hero-caption p {
  font-size: clamp(1.3rem, 3vw, 2rem);
}

/* メインコンテンツ */
.main-content {
  position: relative;
  margin-top: -10vh;           /* スライダーと自然につながる */
  padding-top: 1vh;
  background: #fafafa;
  z-index: 3;
}

/* 左右交互ブロック */
.content-block {
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 1300px;
  margin: 140px auto;
  padding: 0 40px;
  opacity: 0;
  transform: translateY(60px);
  transition: all 1.4s ease;
}
.content-block.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 偶数番目は左右逆にする */
.content-block:nth-child(even) {
  flex-direction: row-reverse;
}

/* 画像とテキストをそれぞれ半分に */
.content-block .image,
.content-block .text {
  flex: 1;
  min-width: 0;        /* これ大事！画像がはみ出さないように */
}

/* 画像サイズの調整 */
.content-block .image img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;           /* 画像が変形しない */
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.2);
  transition: transform 0.8s ease;
}
.content-block:hover .image img {
  transform: scale(1.05);
}

/* テキスト部分 */
.content-block .text {
  padding: 20px 0;
}
.content-block .text h3 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #007acc;
  margin-bottom: 28px;
  line-height: 1.3;
}
.content-block .text p {
  font-size: 1.25rem;
  color: #444;
  line-height: 1.9;
}

/* スマホでは縦並び */
@media (max-width: 960px) {
  .content-block,
  .content-block:nth-child(even) {
    flex-direction: column !important;
    gap: 50px;
    margin: 100px auto;
    padding: 0 20px;
  }
  .content-block .text h3 { font-size: 2.3rem; text-align: center; }
  .content-block .text p { text-align: center; }
  .content-block .image img { max-height: 400px; border-radius: 16px; }
}

/* 設備一覧（カード風） */
.features {
  text-align: center;
  padding: 100px 20px;
  margin: 140px auto;
  opacity: 0;
  transform: translateY(40px);
  transition: all 1.4s ease;
}
.features.visible { opacity: 1; transform: translateY(0); }
.features h3 {
  font-size: 3rem;
  font-weight: 700;
  color: #007acc;
  margin-bottom: 70px;
}
.features ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
  list-style: none;
}
.features li {
  background: white;
  padding: 40px 20px;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  font-size: 1.3rem;
  font-weight: 600;
  transition: transform 0.4s ease;
}
.features li:hover {
  transform: translateY(-12px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.18);
}

/* 予約ボタン */
.reserve-cta {
  text-align: center;
  padding: 140px 20px 100px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 1.6s ease;
}
.reserve-cta.visible { opacity: 1; transform: translateY(0); }
.btn-reserve {
  display: inline-block;
  background: linear-gradient(135deg, #007acc, #00a8cc);
  color: white;
  font-size: 1.8rem;
  font-weight: 700;
  padding: 28px 80px;
  border-radius: 60px;
  text-decoration: none;
  box-shadow: 0 20px 40px rgba(0,122,204,0.4);
  transition: all 0.4s ease;
}
.btn-reserve:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 30px 60px rgba(0,122,204,0.6);
}

/* アクセス＆地図セクション */
.access-map {
  text-align: center;
  padding: 120px 20px 100px;
  background: #f8f9fa;
  opacity: 0;
  transform: translateY(40px);
  transition: all 1.6s ease;
}
.access-map.visible { opacity: 1; transform: translateY(0); }

.access-map h3 {
  font-size: 3rem;
  color: #007acc;
  margin-bottom: 30px;
}
.address {
  font-size: 1.4rem;
  margin-bottom: 50px;
  color: #444;
  line-height: 1.8;
}

.map-container {
  position: relative;
  padding-bottom: 56.25%;   /* 16:9アスペクト比 */
  height: 0;
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto 50px;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.map-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

.access-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-map, .btn-navi {
  display: inline-block;
  background: #28a745;
  color: white;
  padding: 16px 32px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(40,167,69,0.3);
  transition: all 0.3s;
}
.btn-map:hover, .btn-navi:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(40,167,69,0.4);
}
.btn-navi {
  background: #007acc;
}
.btn-navi:hover {
  box-shadow: 0 15px 35px rgba(0,122,204,0.4);
}

/* スマホ対応 */
@media (max-width: 768px) {
  .access-buttons { flex-direction: column; align-items: center; }
  .btn-map, .btn-navi { width: 100%; max-width: 300px; text-align: center; }
}

/* Lightbox カスタム */
.lb-data .lb-caption {
  font-size: 1.1rem;
  font-family: 'Noto Serif JP', serif;
}
.lb-data .lb-number {
  font-size: 0.9rem;
  opacity: 0.7;
}