/* ==============================
   パンくずリスト
============================== */
.breadcrumb {
  background: #f0f7f2;
  border-bottom: 1px solid #dde8e2;
  padding: 10px 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  font-size: 0.82rem;
  color: #666;
}

.breadcrumb ol li + li::before {
  content: '›';
  margin-right: 6px;
  color: #aaa;
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumb a:hover { color: var(--color-primary-dark); }

/* ==============================
   コースヒーロー
============================== */
.course-hero {
  position: relative;
  height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: linear-gradient(135deg, #1b4332, #52b788);
}

.course-hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-hero-placeholder {
  font-size: 10rem;
  opacity: 0.25;
}

.course-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
}

.course-hero-content {
  position: relative;
  z-index: 2;
  color: white;
  padding-bottom: 40px;
  width: 100%;
}

.course-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.badge-region {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 3px 14px;
  border-radius: 14px;
  font-size: 0.8rem;
}

.badge-difficulty {
  padding: 3px 14px;
  border-radius: 14px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-difficulty.easy  { background: var(--color-easy); }
.badge-difficulty.medium { background: var(--color-medium); }
.badge-difficulty.hard  { background: var(--color-hard); }

.badge-rank {
  background: var(--color-accent);
  padding: 3px 14px;
  border-radius: 14px;
  font-size: 0.8rem;
  font-weight: 700;
}

.course-hero-title {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 6px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.course-hero-sub {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-bottom: 24px;
}

.course-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stat-item {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 10px;
  padding: 8px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 90px;
  text-align: center;
}

.stat-icon { font-size: 1.1rem; }
.stat-label { font-size: 0.7rem; opacity: 0.8; }
.stat-val { font-size: 0.9rem; font-weight: 700; }

/* ==============================
   メインレイアウト（2カラム）
============================== */
.course-main {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding-top: 40px;
  padding-bottom: 60px;
  align-items: start;
}

.course-body { min-width: 0; }

/* ==============================
   目次
============================== */
.toc {
  background: #f0f7f2;
  border: 1px solid #cce0d0;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 40px;
}

.toc-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.toc ol {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toc li { font-size: 0.88rem; }

.toc a {
  color: var(--color-primary);
  text-decoration: underline;
}

.toc a:hover { color: var(--color-primary-dark); }

/* ==============================
   コンテンツセクション
============================== */
.content-section {
  margin-bottom: 56px;
  scroll-margin-top: 80px;
}

.content-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--color-primary-light);
}

.content-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
}

.content-section p {
  margin-bottom: 12px;
  line-height: 1.8;
  color: var(--color-text);
}

.info-box {
  background: #e8f4ee;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 16px;
}

.info-box-icon { font-size: 1.3rem; flex-shrink: 0; }
.info-box p { margin: 0; }

/* ==============================
   コーステーブル
============================== */
.course-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.course-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 0.88rem;
}

.course-table th {
  background: var(--color-primary);
  color: white;
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
}

.course-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #e8eeeb;
  vertical-align: top;
}

.course-table tr:last-child td { border-bottom: none; }

.recommended-row { background: #f0f9f4; }
.recommended-row td:first-child { color: var(--color-primary-dark); }

/* ==============================
   ルートステップ
============================== */
.route-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 20px;
}

.route-step {
  display: flex;
  gap: 16px;
  background: white;
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.route-arrow {
  text-align: center;
  color: var(--color-primary);
  font-size: 0.85rem;
  padding: 8px 0;
  margin-left: 62px;
  font-weight: 500;
}

.step-num {
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  min-width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.route-step:first-child .step-num,
.route-step:last-child .step-num {
  background: var(--color-accent);
}

.step-body h3 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.step-body p {
  font-size: 0.87rem;
  color: var(--color-text-sub);
  margin-bottom: 0;
}

.step-tip {
  margin-top: 8px;
  background: #fff9e6;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.82rem;
  color: #7a5800;
}

/* ==============================
   季節情報
============================== */
.season-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.season-info {
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.season-info.spring { background: linear-gradient(135deg, #fce4f0, #fad4e8); }
.season-info.summer { background: linear-gradient(135deg, #fff9c4, #fef08a); }
.season-info.autumn { background: linear-gradient(135deg, #ffe0b2, #ffc878); }
.season-info.winter { background: linear-gradient(135deg, #e3f2fd, #bfdbfe); }

.season-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.season-header .season-emoji { font-size: 2rem; }

.season-info h3 {
  font-size: 1rem;
  margin-bottom: 0;
}

.season-rating { font-size: 0.82rem; color: #f77f00; }

.season-info p {
  font-size: 0.85rem;
  margin-bottom: 0;
  color: #333;
}

.season-calendar h3 {
  margin-bottom: 12px;
  font-size: 1rem;
  color: var(--color-primary-dark);
}

.calendar-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cal-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cal-month {
  width: 28px;
  font-size: 0.82rem;
  color: var(--color-text-sub);
  flex-shrink: 0;
}

.cal-bar {
  height: 16px;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
  border-radius: 8px;
  flex-shrink: 0;
  transition: width 0.8s ease;
}

.cal-score {
  font-size: 0.78rem;
  color: var(--color-accent);
  white-space: nowrap;
}

/* ==============================
   アクセス
============================== */
.access-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.access-card {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.access-list {
  list-style: disc;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--color-text);
}

.access-tip {
  background: #fff9e6;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.82rem;
  color: #7a5800;
  margin-top: 8px;
}

.access-card h4 {
  margin: 12px 0 6px;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

/* ==============================
   装備リスト
============================== */
.gear-categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.gear-category {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.gear-category h3 {
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid;
  font-size: 1rem;
}

.gear-category.must h3 { border-color: var(--color-hard); color: var(--color-hard); }
.gear-category.recommend h3 { border-color: var(--color-medium); color: #7a3b00; }

.gear-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gear-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.gear-icon { font-size: 1.5rem; flex-shrink: 0; }

.gear-detail strong {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 2px;
}

.gear-detail p {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  margin-bottom: 4px;
}

.gear-link {
  font-size: 0.8rem;
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 600;
}

.gear-link:hover { color: var(--color-primary-dark); }

.gear-cta {
  background: #f0f7f2;
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.gear-cta p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 500;
}

.btn-gear-full {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: 10px 22px;
  border-radius: 22px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: background var(--transition);
  white-space: nowrap;
}

.btn-gear-full:hover { background: var(--color-accent-light); }

/* ==============================
   宿泊施設
============================== */
.hotel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.hotel-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hotel-img-placeholder {
  height: 120px;
  background: linear-gradient(135deg, #e8f4ee, #b7e4c7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.hotel-info {
  padding: 16px;
}

.hotel-type {
  display: inline-block;
  background: #e8f4ee;
  color: var(--color-primary);
  font-size: 0.72rem;
  padding: 2px 10px;
  border-radius: 10px;
  font-weight: 600;
  margin-bottom: 6px;
}

.hotel-info h3 { font-size: 0.95rem; margin-bottom: 6px; }
.hotel-info p { font-size: 0.83rem; color: var(--color-text-sub); margin-bottom: 8px; }

.hotel-price {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.btn-hotel {
  display: block;
  background: var(--color-primary);
  color: white;
  text-align: center;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: background var(--transition);
}

.btn-hotel:hover { background: var(--color-primary-dark); }

/* ==============================
   注意事項・豆知識
============================== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.tip-card {
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.tip-card.caution { background: #fff3f3; border: 1px solid #ffcdd2; }
.tip-card.info    { background: #e8f4fe; border: 1px solid #bee3f8; }
.tip-card.tip     { background: #fff9e6; border: 1px solid #fce4a0; }

.tip-icon { font-size: 1.4rem; flex-shrink: 0; }

.tip-card h3 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.tip-card p {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  margin: 0;
}

/* ==============================
   サイドバー
============================== */
.course-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #e0ece4;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.summary-table th {
  text-align: left;
  padding: 7px 6px;
  color: var(--color-text-sub);
  font-weight: 500;
  width: 40%;
  border-bottom: 1px solid #f0f0f0;
}

.summary-table td {
  padding: 7px 6px;
  border-bottom: 1px solid #f0f0f0;
  font-weight: 500;
}

.ad-placeholder { text-align: center; }

.ad-label {
  font-size: 0.7rem;
  color: #999;
  margin-bottom: 6px;
}

.ad-space {
  background: #f5f5f5;
  border: 1px dashed #ccc;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  color: #999;
  border-radius: 6px;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.87rem;
  padding-bottom: 8px;
  border-bottom: 1px solid #f0f0f0;
}

.related-list li:last-child { border-bottom: none; }

.related-list a { color: var(--color-primary); text-decoration: underline; }
.related-list a:hover { color: var(--color-primary-dark); }

.gear-sidebar-cta p {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  margin-bottom: 12px;
}

.btn-sidebar-gear {
  display: block;
  background: var(--color-accent);
  color: white;
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.87rem;
  transition: background var(--transition);
}

.btn-sidebar-gear:hover { background: var(--color-accent-light); }

/* ==============================
   レスポンシブ（コースページ）
============================== */
@media (max-width: 1024px) {
  .course-main {
    grid-template-columns: 1fr;
  }

  .course-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .summary-card { grid-column: span 2; }
}

@media (max-width: 768px) {
  .course-hero { height: 320px; }
  .course-hero-stats { gap: 6px; }
  .stat-item { min-width: 76px; padding: 6px 10px; }

  .season-grid { grid-template-columns: 1fr; }
  .access-grid { grid-template-columns: 1fr; }
  .gear-categories { grid-template-columns: 1fr; }
  .hotel-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }

  .course-sidebar { grid-template-columns: 1fr; }
  .summary-card { grid-column: span 1; }

  .gear-cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .course-hero-title { font-size: 1.8rem; }
  .route-step { flex-direction: row; }
}