/* 基本設定 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  background: #fff;
  color: #333;
}
a {
  text-decoration: none;
  color: inherit;
}

/* ヘッダー */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #fefefe;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  font-weight: bold;
  font-size: 1.4rem;
}
.nav a {
  margin-left: 1rem;
  font-size: 1rem;
}

/* ヒーローセクション */
.hero {
  background: url("../img/gusi1.JPG") center/cover no-repeat;
  height: 70vh;
  position: relative;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
}
.hero-overlay h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
}
.hero-overlay p {
  font-size: 1.2rem;
}

/* セクション共通 */
main section {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: auto;
}
h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 1rem;
}

/* 特徴リスト */
.about ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}
.about li {
  background: #f4f4f4;
  padding: 1rem;
  border-radius: 6px;
  font-size: 1.1rem;
}

/* スライダー */
.gallery {
  position: relative;
}
.slider {
  position: relative;
  height: auto;
}
.slider div {
  display: none;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  position: absolute;
  width: 100%;
}
.slider div.active {
  display: block;
  opacity: 1;
  position: relative;
}
.slider img {
  width: 100%;
  border-radius: 8px;
}

/* アロー */
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.7);
  border: none;
  padding: 0.5rem 1rem;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
}
.left-arrow {
  left: 10px;
}
.right-arrow {
  right: 10px;
}

/* 予約ボタン */
.btn-book {
  display: inline-block;
  padding: 1rem 2rem;
  background: #0077cc;
  color: white;
  border-radius: 4px;
  font-size: 1.2rem;
  margin-top: 1rem;
  text-align: center;
}
.btn-book:hover {
  background: #005fa3;
}

/* Googleマップ埋め込み */
.map-container {
  width: 100%;
  max-width: 800px;
  margin: 1rem auto;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* フッター */
.site-footer {
  text-align: center;
  padding: 1rem;
  background: #f0f0f0;
  font-size: 0.9rem;
}

/* レスポンシブ */
@media (max-width: 600px) {
  .hero-overlay h1 {
    font-size: 2rem;
  }
  .hero-overlay p {
    font-size: 1rem;
  }
  .nav {
    display: none;
  }
}