/* ======================
   Ranking Pages – ranking.css
   ====================== */

/* ---- Breadcrumb ---- */
.rk-breadcrumb {
  background: var(--bg2);
  border-bottom: 1px solid var(--border-lt);
  padding: 10px 0;
}
.rk-breadcrumb .inner {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--text-light);
  flex-wrap: wrap;
}
.rk-breadcrumb a { color: var(--text-muted); transition: color var(--trans); }
.rk-breadcrumb a:hover { color: var(--accent); }
.rk-breadcrumb-sep { color: var(--border); }
.rk-breadcrumb-current { color: var(--text); font-weight: 500; }

/* ---- Hero ---- */
.rk-hero {
  background: linear-gradient(135deg, #1c1c1c 0%, #3a2d24 40%, #5c3d2e 100%);
  padding: 56px 20px 48px;
  position: relative;
  overflow: hidden;
}
.rk-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(200,75,45,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(201,162,39,0.12) 0%, transparent 50%);
  pointer-events: none;
}
.rk-hero-inner { max-width: var(--max-w); margin: 0 auto; position: relative; }
.rk-hero-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.rk-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
}
.rk-hero-sub {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 20px;
}
.rk-hero-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.rk-hero-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  color: rgba(255,255,255,0.5);
}
.rk-hero-meta-item strong { color: rgba(255,255,255,0.82); font-weight: 600; }

/* ---- Intro ---- */
.rk-intro {
  background: var(--bg);
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border-lt);
}
.rk-intro-text {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--text);
  max-width: 820px;
}
.rk-intro-text p + p { margin-top: 12px; }

/* ---- SEO guide ---- */
.rk-guide {
  background: var(--bg);
  padding: 8px 0 36px;
  border-bottom: 1px solid var(--border-lt);
}
.rk-guide-block { max-width: 820px; }
.rk-guide-block + .rk-guide-block { margin-top: 26px; }
.rk-guide-block h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.rk-guide-block h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.rk-guide-block p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--text);
}
/* ---- 比較表 ---- */
.rk-compare-wrap { overflow-x: auto; margin-top: 6px; }
.rk-compare-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.86rem;
  background: var(--card, #fff);
}
.rk-compare-table th,
.rk-compare-table td {
  border: 1px solid var(--border-lt);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}
.rk-compare-table thead th {
  background: var(--bg);
  font-weight: 700;
  white-space: nowrap;
}
.rk-compare-table tbody td:first-child { font-weight: 700; white-space: nowrap; }
.rk-compare-table tbody tr:nth-child(even) td { background: var(--bg); }
.rk-compare-note { font-size: 0.78rem; color: var(--text-sub, #888); margin-top: 8px; }

/* ---- TOP3 section ---- */
.rk-top3-section { padding: 52px 0 40px; }
.rk-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.rk-section-head h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.rk-section-line { flex: 1; height: 1px; background: var(--border-lt); }

.rk-top3-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

/* Loader shared */
.rk-loader {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 60px 0;
}
.rk-loader .loader-dots { display: flex; gap: 6px; }
.rk-loader .loader-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.2s infinite;
}
.rk-loader .loader-dots span:nth-child(2) { animation-delay: 0.2s; }
.rk-loader .loader-dots span:nth-child(3) { animation-delay: 0.4s; }
.rk-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 48px;
  font-size: 0.88rem;
}

/* TOP3 card */
.rk-top3-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border);
  background: var(--bg);
  transition: all 0.22s ease;
  box-shadow: var(--shadow-sm);
}
.rk-top3-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.rk-top3-gold   { border-color: #c9a227; background: linear-gradient(180deg, #fffef2 0%, #fff 55%); }
.rk-top3-silver { border-color: #8e9ba8; background: linear-gradient(180deg, #f5f7f9 0%, #fff 55%); }
.rk-top3-bronze { border-color: #b87040; background: linear-gradient(180deg, #fdf5ef 0%, #fff 55%); }

.rk-top3-rank {
  padding: 10px 16px 8px;
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}
.rk-top3-gold   .rk-top3-rank { color: #9a7500; background: linear-gradient(90deg, rgba(201,162,39,0.12), transparent); }
.rk-top3-silver .rk-top3-rank { color: #5c6f7d; background: linear-gradient(90deg, rgba(142,155,168,0.1), transparent); }
.rk-top3-bronze .rk-top3-rank { color: #914e1e; background: linear-gradient(90deg, rgba(184,112,64,0.1), transparent); }

.rk-top3-img-wrap {
  aspect-ratio: 1;
  background: var(--bg2);
  overflow: hidden;
}
.rk-top3-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.rk-top3-card:hover .rk-top3-img-wrap img { transform: scale(1.04); }

.rk-top3-body { padding: 16px; }
.rk-top3-shop { font-size: 0.67rem; color: var(--text-light); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rk-top3-name {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rk-stars { display: flex; align-items: center; gap: 4px; margin-bottom: 10px; }
.rk-review { font-size: 0.68rem; color: var(--text-light); }

.rk-editor-comment {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.75;
  background: var(--bg2);
  border-left: 3px solid var(--accent);
  padding: 10px 12px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 14px;
}
.rk-editor-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.rk-top3-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.rk-price {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-serif);
  line-height: 1;
}
.rk-price-tax { font-size: 0.63rem; color: var(--text-muted); }
.rk-pts { display: flex; align-items: center; gap: 3px; margin-top: 3px; }
.rk-pts-val { font-size: 0.7rem; color: #c00; font-weight: 700; }

.rk-btn-buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  font-family: var(--font-sans);
  border: none;
}
.rk-btn-buy:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(200,75,45,0.38);
}

/* Gold card: full-width button */
.rk-top3-gold .rk-top3-footer { flex-direction: column; align-items: stretch; }
.rk-top3-gold .rk-btn-buy { width: 100%; margin-top: 6px; padding: 13px; font-size: 0.9rem; }
.rk-top3-gold .rk-price { font-size: 1.55rem; }

/* ---- List 4–10 ---- */
.rk-list-section { background: var(--bg2); padding: 48px 0; }
.rk-list { display: flex; flex-direction: column; gap: 10px; }

.rk-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: all 0.2s ease;
}
.rk-list-item:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
  transform: translateX(3px);
}
.rk-list-rank {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg3);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--text-muted);
  flex-shrink: 0;
}
.rk-list-img {
  width: 84px; height: 84px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg2);
  border: 1px solid var(--border-lt);
}
.rk-list-img img { width: 100%; height: 100%; object-fit: cover; }
.rk-list-body { flex: 1; min-width: 0; }
.rk-list-shop { font-size: 0.64rem; color: var(--text-light); margin-bottom: 2px; }
.rk-list-name {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.rk-list-comment {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rk-list-right {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}
.rk-list-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-serif);
  white-space: nowrap;
}
.rk-btn-list {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
  font-family: var(--font-sans);
}
.rk-btn-list:hover { background: var(--accent-dark); }

/* ---- FAQ ---- */
.rk-faq-section { padding: 52px 0; }
.rk-faq-section .rk-section-head { margin-bottom: 24px; }

.rk-faq { display: flex; flex-direction: column; gap: 6px; }
.rk-faq-item {}
.rk-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border-lt);
  padding: 15px 18px;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease;
  font-family: var(--font-sans);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}
.rk-faq-q:hover { background: var(--bg2); }
.rk-faq-q[aria-expanded="true"] {
  background: var(--bg2);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom-color: transparent;
}
.rk-faq-icon {
  display: flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem; font-weight: 900;
  flex-shrink: 0;
  font-style: normal;
}
.rk-faq-a-icon { background: var(--gold); }
.rk-faq-q-text { flex: 1; }
.rk-faq-arrow { font-size: 0.6rem; color: var(--text-light); transition: transform 0.25s ease; flex-shrink: 0; }

.rk-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--bg2);
  border: 1px solid var(--border-lt);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.rk-faq-a-inner {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.85;
  align-items: flex-start;
}

/* ---- Related rankings ---- */
.rk-related-section { background: var(--bg2); padding: 48px 0; }
.rk-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.rk-related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.rk-related-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.rk-related-icon { font-size: 1.9rem; flex-shrink: 0; line-height: 1; }
.rk-related-body { flex: 1; min-width: 0; }
.rk-related-title { font-size: 0.82rem; font-weight: 700; color: var(--text); line-height: 1.45; }
.rk-related-sub { font-size: 0.68rem; color: var(--text-light); margin-top: 2px; }
.rk-related-arrow { color: var(--text-light); font-size: 0.85rem; flex-shrink: 0; transition: color 0.2s ease; }
.rk-related-card:hover .rk-related-arrow { color: var(--accent); }

/* ---- Cat & popular bottom section ---- */
.rk-bottom-cats { padding: 48px 0; }
.rk-cat-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.rk-cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg2);
  border: 1px solid var(--border-lt);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}
.rk-cat-pill:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---- Ranking index page ---- */
.rk-index-hero {
  background: linear-gradient(135deg, #1c1c1c 0%, #3a2d24 100%);
  padding: 64px 20px 52px;
  position: relative;
  overflow: hidden;
}
.rk-index-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 60%, rgba(200,75,45,0.18) 0%, transparent 55%);
  pointer-events: none;
}
.rk-index-hero .inner { position: relative; }
.rk-index-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}
.rk-index-hero p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.62);
  max-width: 520px;
  line-height: 1.75;
}

.rk-index-section { padding: 56px 0; }
.rk-index-section-alt { background: var(--bg2); }
.rk-index-section h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
  padding-bottom: 10px;
  position: relative;
}
.rk-index-section h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 36px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.rk-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.rk-index-card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: all 0.22s ease;
}
.rk-index-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--border);
}
.rk-index-card-top {
  padding: 26px 22px 18px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.rk-index-card-icon { font-size: 2.6rem; flex-shrink: 0; line-height: 1; }
.rk-index-card-body { flex: 1; }
.rk-index-card-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 10px;
  letter-spacing: 0.05em;
  margin-bottom: 7px;
}
.rk-index-card-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 5px;
}
.rk-index-card-sub { font-size: 0.72rem; color: var(--text-muted); line-height: 1.6; }
.rk-index-card-footer {
  padding: 11px 22px;
  background: var(--bg2);
  border-top: 1px solid var(--border-lt);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.rk-index-card-count { font-size: 0.7rem; color: var(--text-light); }
.rk-index-card-link { font-size: 0.74rem; color: var(--accent); font-weight: 700; }

/* ---- Image placeholder ---- */
.rk-img-placeholder { width: 100%; height: 100%; background: var(--bg3); }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .rk-top3-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .rk-top3-gold .rk-top3-footer { flex-direction: row; align-items: center; }
  .rk-top3-gold .rk-btn-buy { width: auto; margin-top: 0; padding: 10px 18px; font-size: 0.8rem; }
  .rk-related-grid { grid-template-columns: repeat(2, 1fr); }
  .rk-index-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .rk-hero { padding: 36px 16px 28px; }
  .rk-hero h1 { font-size: 1.4rem; }
  .rk-top3-section { padding: 32px 0 24px; }
  .rk-list-section { padding: 32px 0; }
  .rk-list-item { gap: 10px; padding: 12px; }
  .rk-list-img { width: 68px; height: 68px; }
  .rk-list-rank { width: 32px; height: 32px; font-size: 0.8rem; }
  .rk-faq-section { padding: 32px 0; }
  .rk-related-section { padding: 32px 0; }
  .rk-related-grid { grid-template-columns: 1fr; }
  .rk-bottom-cats { padding: 32px 0; }
  .rk-index-section { padding: 36px 0; }
}

@media (max-width: 480px) {
  .rk-list-comment { display: none; }
  .rk-index-grid { grid-template-columns: 1fr; }
  .rk-faq-q { font-size: 0.82rem; padding: 13px 14px; gap: 9px; }
  .rk-hero-meta { gap: 12px; }
}