/* ============================================================
   おすすめツアーセクション — 埋め込み用スタイル
   既存ページの <head> 内に <link> タグで読み込むか、
   <style> タグ内にコピーしてください
============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
  --tour-accent:   #c0392b;   /* 赤 */
  --tour-gold:     #b8860b;   /* ゴールド */
  --tour-navy:     #1a2744;   /* 紺 */
  --tour-bg:       #fdf6ec;   /* 薄い暖色背景 */
  --tour-card-bg:  #ffffff;
  --tour-border:   #e8ddd0;
  --tour-text:     #333333;
  --tour-sub:      #666666;
  --tour-radius:   8px;
  --tour-shadow:   0 4px 20px rgba(0,0,0,.10);
  --tour-shadow-h: 0 8px 32px rgba(0,0,0,.18);
  --slide-gap:     20px;
}

/* ── セクション外枠 ── */
#section-osusume {
  background: #ede4cd;
  padding: 56px 0 64px;
  font-family: 'Noto Sans JP', sans-serif;
  position: relative;
  overflow: hidden;
}

/* 背景装飾（和柄ドット） */
#section-osusume::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(192,57,43,.08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

/* ── 見出し ── */
.osusume-heading {
  text-align: center;
  margin: 0 0 36px;
  position: relative;
  z-index: 1;
}
.osusume-heading .label-ja {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--tour-navy);
  letter-spacing: .08em;
  line-height: 1.3;
}
.osusume-heading .label-en {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--tour-gold);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-top: 4px;
}
.osusume-heading::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--tour-accent), var(--tour-gold));
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ── スライダーラッパー ── */
.osusume-slider-wrap {
  position: relative;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 48px;
  z-index: 1;
}

/* ── スライドトラック ── */
.osusume-track-outer {
  overflow: hidden;
}
.osusume-track {
  display: flex;
  gap: var(--slide-gap);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}

/* ── ツアーカード ── */
.tour-card {
  flex: 0 0 calc((100% - var(--slide-gap) * 2) / 3);
  background: var(--tour-card-bg);
  border-radius: var(--tour-radius);
  border: 1px solid var(--tour-border);
  overflow: hidden;
  box-shadow: var(--tour-shadow);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
}
.tour-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tour-shadow-h);
}

/* コースコードバッジ */
.tour-card-code {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--tour-navy);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 3px 8px;
  border-radius: 3px;
  z-index: 2;
  line-height: 1.6;
}

/* サムネ */
.tour-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: #ddd;
}
/* 画像がない場合のプレースホルダー */
.tour-card-img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #e8ddd0 0%, #d4c4b0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: #999;
}

/* テキスト部分 */
.tour-card-body {
  padding: 14px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.tour-card-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--tour-navy);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tour-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.tour-card-dep {
  font-size: 11.5px;
  color: var(--tour-sub);
  background: #f0ebe4;
  border-radius: 3px;
  padding: 2px 8px;
  white-space: nowrap;
}
.tour-card-price-row {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed #e0d4c4;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.tour-card-price-label {
  font-size: 11px;
  color: var(--tour-sub);
}
.tour-card-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--tour-accent);
  font-family: 'Noto Serif JP', serif;
  letter-spacing: -.01em;
}
.tour-card-price-unit {
  font-size: 11px;
  color: var(--tour-sub);
}

/* ── ナビゲーションボタン ── */
.osusume-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--tour-navy);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0,0,0,.2);
  transition: background .2s;
  z-index: 10;
  font-size: 18px;
  line-height: 1;
}
.osusume-nav:hover    { background: var(--tour-accent); }
.osusume-nav:disabled { opacity: .3; cursor: default; }
.osusume-nav.prev     { left: 0; }
.osusume-nav.next     { right: 0; }

/* ── ドット ── */
.osusume-dots {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-top: 24px;
}
.osusume-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ccc;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .2s, transform .2s;
}
.osusume-dot.active {
  background: var(--tour-accent);
  transform: scale(1.25);
}

/* ── レスポンシブ（スマホ：1カラム） ── */
@media (max-width: 767px) {
  .osusume-slider-wrap { padding: 0 36px; }
  .tour-card {
    flex: 0 0 100%;
  }
  .osusume-nav {
    width: 32px; height: 32px; font-size: 14px;
  }
}
