/* ══════════════════════════════════════════
   CSS変数
══════════════════════════════════════════ */
.rki-compare-wrap,
.rki-select-wrap {
  --rki-accent:  #4f46e5;
  --rki-price:   #e11d48;
  --rki-border:  #e5e7eb;
  --rki-bg:      #f9fafb;
  --rki-text:    #111827;
  --rki-muted:   #6b7280;
  --rki-radius:  8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic UI', sans-serif;
  font-size: .875rem;
  color: var(--rki-text);
}
.rki-compare-wrap *, .rki-select-wrap * { box-sizing: border-box; }

/* ══════════════════════════════════════════
   ボタン
══════════════════════════════════════════ */
a.rki-btn,
.rki-mobile-card a.rki-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: .82rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none !important;
  color: #fff !important;
  border: none;
  cursor: pointer;
  transition: filter .15s;
  letter-spacing: .02em;
}
a.rki-btn:hover { filter: brightness(0.88); color: #fff !important; }
a.rki-btn-rakuten { background: #e11d48; }
a.rki-btn-amazon  { background: #f97316; }
a.rki-btn-yahoo   { background: #ec4899; }
a.rki-btn-main    { padding: 11px 14px; font-size: .86rem; }
.rki-btns { display: flex; flex-direction: column; gap: 6px; }

/* ══════════════════════════════════════════
   バッジ・星
══════════════════════════════════════════ */
.rki-stars { color: #f59e0b; letter-spacing: 1px; }
.rki-tag {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--rki-accent), #7c3aed);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

/* ══════════════════════════════════════════
   比較テーブル — PC
══════════════════════════════════════════ */
.rki-compare-wrap { margin: 28px 0; }

@media (min-width: 768px) {
  .rki-compare-scroll {
    overflow-x: auto;
    border-radius: var(--rki-radius);
    border: 1px solid var(--rki-border);
  }
  .rki-compare-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    min-width: 480px;
  }
  .rki-compare-table thead tr { background: var(--rki-bg); }
  .rki-th-label {
    width: 60px;
    background: var(--rki-bg);
    border-right: 1px solid var(--rki-border);
  }
  .rki-th-item {
    min-width: 220px;
    padding: 18px 14px 14px;
    text-align: center;
    border-left: 1px solid var(--rki-border);
    vertical-align: top;
  }
  .rki-th-item img {
    width: 100%;
    max-width: 180px;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 6px;
    display: block;
    margin: 0 auto;
    transition: opacity .15s;
  }
  .rki-th-item img:hover { opacity: .85; }
  .rki-compare-table tbody tr {
    border-top: 1px solid var(--rki-border);
  }
  .rki-compare-table tbody tr:hover { background: #fafafa; }
  .rki-label {
    background: var(--rki-bg);
    font-size: .7rem;
    font-weight: 700;
    color: var(--rki-accent);
    text-align: center;
    padding: 0 6px;
    white-space: nowrap;
    border-right: 1px solid var(--rki-border);
    letter-spacing: .04em;
    text-transform: uppercase;
  }
  .rki-cell {
    padding: 12px 14px;
    vertical-align: middle;
    border-left: 1px solid var(--rki-border);
    color: var(--rki-text);
    line-height: 1.65;
  }
  .rki-price { font-size: 1.15rem; font-weight: 800; color: var(--rki-price); white-space: nowrap; }
  .rki-name { font-size: .8rem; line-height: 1.55; }
  .rki-name a { color: var(--rki-text); text-decoration: none; font-weight: 600; }
  .rki-name a:hover { color: var(--rki-accent); }
  .rki-features { font-size: .78rem; color: var(--rki-muted); line-height: 1.75; white-space: pre-line; }
  .rki-cell small { color: var(--rki-muted); font-size: .72rem; }
}

/* ══════════════════════════════════════════
   比較テーブル — スマホ
══════════════════════════════════════════ */
@media (max-width: 767px) {
  .rki-compare-scroll { overflow: visible; border: none; }
  .rki-compare-table  { display: none; }
  .rki-mobile-cards { display: flex; flex-direction: column; gap: 12px; }
  .rki-mobile-card {
    background: #fff;
    border: 1px solid var(--rki-border);
    border-radius: var(--rki-radius);
    overflow: hidden;
  }
  .rki-mc-header {
    display: flex;
    gap: 12px;
    padding: 14px;
    background: var(--rki-bg);
    border-bottom: 1px solid var(--rki-border);
    align-items: flex-start;
  }
  .rki-mc-header a { flex-shrink: 0; display: block; }
  .rki-mc-header img {
    width: 80px; height: 80px;
    object-fit: cover; border-radius: 6px;
  }
  .rki-mc-header-info { flex: 1; min-width: 0; }
  .rki-mc-name { font-size: .84rem; font-weight: 700; line-height: 1.5; color: var(--rki-text); margin-bottom: 6px; }
  .rki-mc-name a { color: inherit; text-decoration: none; }
  .rki-mc-price { font-size: 1.15rem; font-weight: 800; color: var(--rki-price); }
  .rki-mc-body { padding: 2px 0; }
  .rki-mc-row {
    display: flex; gap: 10px; padding: 9px 14px;
    border-bottom: 1px solid var(--rki-border);
    font-size: .82rem; align-items: flex-start;
  }
  .rki-mc-row:last-child { border-bottom: none; }
  .rki-mc-label { flex-shrink: 0; width: 48px; font-size: .68rem; font-weight: 700; color: var(--rki-accent); text-transform: uppercase; padding-top: 2px; }
  .rki-mc-val { flex: 1; color: var(--rki-text); line-height: 1.6; white-space: pre-line; font-size: .82rem; }
  .rki-mc-btns { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 7px; }
}

/* ══════════════════════════════════════════
   用途別セレクター
══════════════════════════════════════════ */
.rki-select-wrap { margin: 28px 0; }
.rki-tag-filters { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.rki-tag-btn {
  border: 1px solid var(--rki-border);
  background: #fff;
  border-radius: 20px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
  color: var(--rki-muted);
}
.rki-tag-btn:hover { border-color: var(--rki-accent); color: var(--rki-accent); }
.rki-tag-btn.active { background: var(--rki-accent); border-color: var(--rki-accent); color: #fff; }
.rki-select-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 14px; }
.rki-select-card {
  background: #fff;
  border: 1px solid var(--rki-border);
  border-radius: var(--rki-radius);
  overflow: hidden;
  transition: border-color .15s;
}
.rki-select-card:hover { border-color: #d1d5db; }
.rki-select-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; transition: opacity .15s; }
.rki-select-card:hover img { opacity: .9; }
.rki-select-body { padding: 12px; }
.rki-select-name { font-size: .81rem; font-weight: 600; line-height: 1.5; margin-bottom: 6px; }
.rki-select-name a { color: var(--rki-text); text-decoration: none; }
.rki-select-name a:hover { color: var(--rki-accent); }
.rki-select-price { font-size: 1.05rem; font-weight: 800; color: var(--rki-price); margin-bottom: 4px; }
.rki-select-rating { font-size: .75rem; color: var(--rki-muted); margin-bottom: 8px; }
.rki-select-features {
  font-size: .76rem; color: var(--rki-muted); line-height: 1.7; margin-bottom: 10px;
  padding: 7px 10px; background: var(--rki-bg); border-radius: 4px;
  border-left: 2px solid var(--rki-accent); white-space: pre-line;
}
@media (max-width: 480px) {
  .rki-select-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .rki-select-body { padding: 9px; }
}

/* ══════════════════════════════════════════
   リンカー風
══════════════════════════════════════════ */
.rki-linker-wrap { margin: 28px 0; display: flex; flex-direction: column; gap: 12px;
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic UI', sans-serif; }
.rki-linker-card {
  display: flex; gap: 16px;
  background: #fff;
  border: 1px solid var(--rki-border);
  border-radius: var(--rki-radius);
  padding: 16px;
  transition: border-color .15s;
  align-items: flex-start;
}
.rki-linker-card:hover { border-color: #d1d5db; }
.rki-lk-img { flex-shrink: 0; width: 120px; }
.rki-lk-img a { display: block; }
.rki-lk-img img {
  width: 120px; height: 120px;
  object-fit: cover; border-radius: 6px;
  display: block; transition: opacity .15s;
}
.rki-linker-card:hover .rki-lk-img img { opacity: .9; }
.rki-lk-body { flex: 1; min-width: 0; }
.rki-lk-body .rki-tag { margin-bottom: 8px; }
.rki-lk-name { font-size: .92rem; font-weight: 700; line-height: 1.5; margin: 0 0 8px; color: var(--rki-text); }
.rki-lk-name a { color: inherit; text-decoration: none; }
.rki-lk-name a:hover { color: var(--rki-accent); }
.rki-lk-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 5px; margin-bottom: 9px; }
.rki-lk-rating { font-weight: 700; font-size: .85rem; }
.rki-lk-rc { font-size: .73rem; color: var(--rki-muted); }
.rki-lk-price { font-size: 1.1rem; font-weight: 800; color: var(--rki-price); margin-left: auto; }
.rki-lk-features {
  font-size: .78rem; color: var(--rki-muted); line-height: 1.75; margin-bottom: 7px;
  padding: 7px 10px; background: var(--rki-bg); border-radius: 4px;
  border-left: 2px solid var(--rki-accent);
}
.rki-lk-caption { font-size: .76rem; color: var(--rki-muted); line-height: 1.7; margin-bottom: 10px; }
.rki-lk-btns .rki-btns { flex-direction: row; flex-wrap: wrap; gap: 8px; }
.rki-lk-btns a.rki-btn { width: auto; flex: 1; min-width: 100px; padding: 10px 12px; }
@media (max-width: 520px) {
  .rki-linker-wrap { font-size: .8rem; }
  .rki-linker-card { flex-direction: column; gap: 12px; padding: 14px; }
  .rki-lk-img { width: 100%; }
  .rki-lk-img img { width: 100%; height: auto; aspect-ratio: 1; }
  .rki-lk-name { font-size: .84rem; }
  .rki-lk-price { margin-left: 0; font-size: .95rem; }
  .rki-lk-rating { font-size: .78rem; }
  .rki-lk-body { display: block; width: 100%; }
  .rki-lk-features {
    font-size: .74rem; padding: 8px; margin-bottom: 10px;
    text-align: center !important;
    border-left: none !important;
    border-top: 2px solid var(--rki-accent);
    width: 100%; display: block;
  }
  .rki-lk-btns { margin-top: 6px; width: 100%; display: block; }
  .rki-lk-btns .rki-btns { display: flex !important; flex-direction: column !important; gap: 8px !important; width: 100%; }
  .rki-lk-btns a.rki-btn {
    display: flex !important; justify-content: center !important; align-items: center !important;
    width: 100% !important; flex: none !important;
    padding: 13px 14px; font-size: .84rem; border-radius: 8px;
    box-sizing: border-box;
  }
  .rki-stars { font-size: .78rem; }
}