/* ── パンくず ── */
.breadcrumb { background: var(--gray1); padding: 12px 0; font-size: 12px; color: var(--gray3); }
.breadcrumb a { color: var(--purple); }
.breadcrumb span { margin: 0 6px; }

/* ── ページヒーロー ── */
.page-hero {
  background-image: url("/img/lessons.png");
  background-repeat: no-repeat;
  background-size: 22%;
  background-position: 85% 100%;
  background-color: var(--purple);
  padding: 40px 0 32px; position: relative; overflow: hidden;
}
.hero-inner { position: relative; }
.hero-breadcrumb { font-size: 12px; color: rgba(255,255,255,.7); margin-bottom: 10px; }
.hero-breadcrumb a { color: rgba(255,255,255,.7); }
.hero-breadcrumb span { margin: 0 6px; }
.page-hero h1 { font-size: clamp(24px,4vw,36px); font-weight: 900; color: #fff; line-height: 1.3; }
.hero-sub { font-size: 14px; color: rgba(255,255,255,.85); margin-top: 8px; }
.hero-count {
  display: inline-block; background: rgba(255,255,255,.2); border-radius: 999px;
  padding: 4px 14px; font-size: 13px; font-weight: 700; color: #fff; margin-top: 12px;
}

/* ── フィルターバー ── */
.filter-bar {
  background: var(--white); border-bottom: 2px solid var(--gray2);
  position: sticky; top: 68px; z-index: 90;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.filter-inner {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 0; overflow-x: auto; scrollbar-width: none;
}
.filter-inner::-webkit-scrollbar { display: none; }
.filter-btn {
  flex-shrink: 0; padding: 7px 16px; border-radius: 999px;
  border: 2px solid var(--gray2); background: var(--white);
  font-size: 13px; font-weight: 600; cursor: pointer;
  color: var(--text2); transition: all .2s;
}
.filter-btn:hover { border-color: var(--purple); color: var(--purple); }
.filter-btn.active { background: var(--purple); color: #fff; border-color: var(--purple); }
.filter-divider { width: 1px; height: 24px; background: var(--gray2); flex-shrink: 0; }
.filter-toggle {
  flex-shrink: 0; padding: 7px 14px; border-radius: 999px;
  border: 2px solid var(--gray2); background: var(--white);
  font-size: 12px; font-weight: 600; cursor: pointer;
  color: var(--text2); transition: all .2s;
}
.filter-toggle.active { background: var(--orange); color: #fff; border-color: var(--orange); }

/* ── メインレイアウト ── */
.main-layout {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 32px; padding: 32px 0 64px; align-items: start;
}
.sidebar { position: sticky; top: 148px; }
.sidebar-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; margin-bottom: 16px;
}
.sidebar-head {
  padding: 14px 18px;
  background: linear-gradient(90deg, var(--purple-l), var(--purple));
  font-size: 13px; font-weight: 700; color: #fff;
}
.sidebar-body { padding: 12px; }
.cat-btn {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: none; background: none; cursor: pointer;
  font-size: 13px; font-weight: 600; color: var(--text2);
  transition: background .15s; text-align: left; font-family: inherit;
}
.cat-btn:hover { background: var(--gray1); }
.cat-btn.active { background: var(--pink); color: var(--purple); }
.cat-btn-left { display: flex; align-items: center; gap: 8px; }
.cat-count {
  font-size: 11px; color: var(--gray3); background: var(--gray1);
  padding: 2px 8px; border-radius: 999px; font-weight: 700;
}
.cat-btn.active .cat-count { background: var(--purple); color: #fff; }
.age-filter { padding: 12px 18px; }
.age-filter label { font-size: 12px; font-weight: 700; color: var(--text2); display: block; margin-bottom: 8px; }
.age-select {
  width: 100%; padding: 8px 12px; border: 2px solid var(--gray2); border-radius: 8px;
  font-family: inherit; font-size: 13px; background: var(--white); cursor: pointer; color: var(--text);
}
.age-select:focus { outline: none; border-color: var(--purple); }

/* ── コンテンツヘッダー ── */
.content-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.result-count { font-size: 14px; color: var(--gray3); font-weight: 600; }
.result-count strong { color: var(--purple); font-size: 18px; }
.view-toggle { display: flex; gap: 4px; }
.view-btn {
  padding: 7px 12px; border: 2px solid var(--gray2); background: var(--white);
  border-radius: 8px; cursor: pointer; color: var(--gray3); transition: all .2s; font-size: 16px;
}
.view-btn.active { border-color: var(--purple); color: var(--purple); background: #f3f0ff; }
.sort-select {
  padding: 7px 12px; border: 2px solid var(--gray2); border-radius: 8px;
  font-family: inherit; font-size: 12px; background: var(--white); cursor: pointer; color: var(--text2);
}
.sort-select:focus { outline: none; border-color: var(--purple); }

/* ── PRバナー ── */
.pr-banner {
  background: linear-gradient(135deg, var(--purple-l) 0%, var(--purple) 100%);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  box-shadow: 0 4px 16px rgba(102,126,234,0.3);
}
.pr-banner-text { color: #fff; }
.pr-banner-text strong { font-size: 16px; font-weight: 900; display: block; }
.pr-banner-text span { font-size: 12px; opacity: .85; }
.pr-banner-btn {
  flex-shrink: 0; background: var(--yellow); color: var(--text); border: none;
  padding: 10px 20px; border-radius: 999px; font-size: 13px; font-weight: 900;
  cursor: pointer; white-space: nowrap; transition: opacity .2s; display: inline-block;
}
.pr-banner-btn:hover { opacity: .85; }

/* ── ローディング ── */
.loading { text-align: center; padding: 64px 0; color: var(--gray3); }
.spinner {
  width: 40px; height: 40px; border: 4px solid var(--gray2);
  border-top-color: var(--purple); border-radius: 50%;
  animation: spin 0.8s linear infinite; margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── グリッドカード ── */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.card-grid {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; border: 2px solid transparent;
}
.card-grid:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(118,75,162,0.18); }
.card-grid.is-pr { border-color: var(--purple); }
.card-grid-head {
  padding: 20px 20px 12px; background: linear-gradient(135deg, #f8f6ff 0%, #fff 100%);
  border-bottom: 1px solid var(--gray2);
}
.card-emoji { font-size: 32px; margin-bottom: 8px; }
.card-name { font-size: 15px; font-weight: 900; color: var(--text); line-height: 1.4; margin-bottom: 6px; }
.card-subcat { font-size: 12px; color: var(--gray3); }
.badge-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.badge-pr { background: linear-gradient(90deg, var(--purple-l), var(--purple)); color: #fff; }
.badge-trial { background: #e6fffa; color: #047857; }
.badge-rating { background: var(--yellow); color: var(--text); }
.card-grid-body { padding: 14px 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.info-row { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text2); }
.info-icon { flex-shrink: 0; font-size: 14px; margin-top: 1px; }
.features-list { display: flex; flex-wrap: wrap; gap: 4px; }
.feature-tag { font-size: 11px; padding: 3px 8px; border-radius: 6px; background: var(--gray1); color: var(--text2); font-weight: 600; }
.card-grid-footer { padding: 12px 20px 16px; border-top: 1px solid var(--gray2); display: flex; gap: 8px; }
.btn-lesson {
  flex: 1; padding: 9px 20px; border-radius: 999px; border: none;
  background: linear-gradient(90deg, var(--purple-l), var(--purple)); color: #fff;
  font-size: 13px; font-weight: 700; cursor: pointer; transition: opacity .2s;
  text-align: center; display: block; white-space: nowrap;
}
.btn-lesson:hover { opacity: .85; }
.btn-tel {
  padding: 9px 14px; border-radius: 999px; border: 2px solid var(--gray2);
  background: var(--white); color: var(--text2); font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all .2s; white-space: nowrap; display: block;
}
.btn-tel:hover { border-color: var(--coral); color: var(--coral); }

/* ── リストカード ── */
.cards-list { display: flex; flex-direction: column; gap: 16px; }
.card-list {
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  display: flex; transition: transform .2s, box-shadow .2s; border: 2px solid transparent;
}
.card-list:hover { transform: translateX(4px); box-shadow: 0 6px 28px rgba(118,75,162,0.16); }
.card-list.is-pr { border-color: var(--purple); }
.card-list-accent { width: 6px; flex-shrink: 0; }
.card-list-body { flex: 1; padding: 18px 20px; display: flex; gap: 16px; align-items: flex-start; }
.card-list-emoji { font-size: 36px; flex-shrink: 0; }
.card-list-info { flex: 1; }
.card-list-title { font-size: 16px; font-weight: 900; }
.card-list-subcat { font-size: 12px; color: var(--gray3); margin-bottom: 6px; }
.card-list-desc {
  font-size: 13px; color: var(--text2); margin-bottom: 10px; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-list-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.meta-item { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text2); }
.card-list-action {
  flex-shrink: 0; display: flex; flex-direction: column; gap: 8px;
  align-items: flex-end; padding: 18px 20px 18px 0; min-width: 130px;
}
.action-price { font-size: 14px; font-weight: 900; color: var(--purple); text-align: right; }
.action-price-note { font-size: 11px; color: var(--gray3); text-align: right; margin-top: -4px; }

/* ── 結果なし ── */
.no-results { text-align: center; padding: 64px 24px; color: var(--gray3); font-size: 15px; }
.no-results .icon { font-size: 48px; margin-bottom: 16px; }

/* ── レスポンシブ ── */
@media (max-width: 900px) {
  .main-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  /* 詳細ボタンエリアをモバイルでも表示（縦並びに変更） */
  .card-list-action {
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--gray1);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
  }
}
@media (max-width: 600px) {
  .cards-grid { grid-template-columns: 1fr; }
  .card-list-body { flex-direction: column; gap: 8px; }
  .card-list-emoji { font-size: 28px; }
  .page-hero {
    padding: 28px 0 22px;
    background-size: 0; /* モバイルではイラストを非表示 */
  }
  .pr-banner { flex-direction: column; align-items: flex-start; }
  /* 詳細ボタンを div でラップした場合の alignment 対応 */
  .card-list-action { flex-direction: column; align-items: flex-start; gap: 8px; }
  .btn-lesson { width: 100%; text-align: center; }
}