/* よくある質問（archive-faq.php）— 左にカテゴリー、右に Q&A の行
   デザイン: clients/barrel-polish/design/2026-10-06_renewal/build_a_sub6.py faq_page() */

/* 絞り込みの帯（紙色） */
.rn-faq-bar { padding: 36px 0; background: var(--rn-paper); }
.rn-faq-bar__form { display: flex; align-items: center; justify-content: space-between; gap: 24px 40px; flex-wrap: wrap; }
.rn-faq-bar .rn-chip { position: relative; min-height: 38px; padding: 0 14px; font-size: 13px; font-weight: 400; }
.rn-faq-bar .rn-chip:has(input:checked) { background: var(--rn-ink); border-color: var(--rn-ink); color: #fff; }
.rn-faq-bar .rn-chip:has(input:focus-visible) { outline: 2px solid var(--rn-gold); outline-offset: 2px; }
/* ラジオは見えなくして、ラベル全体をボタンにする（キーボード操作は残す） */
.rn-faq-bar__radio { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); border: 0; }
.rn-faq-bar__side { display: flex; align-items: center; gap: 16px 24px; flex-wrap: wrap; }
.rn-faq-bar__search { display: flex; align-items: center; gap: 10px; }
.rn-faq-bar__search label { font-size: 10.5px; color: rgba(17, 18, 20, 0.6); }
.rn-faq-bar__search input { width: 220px; height: 40px; padding: 0 12px; border: 1px solid rgba(17, 18, 20, 0.3); border-radius: 0; background: #fff; font: inherit; font-size: 14px; box-sizing: border-box; }
.rn-faq-bar__search input:focus { outline: 2px solid var(--rn-gold); outline-offset: 0; }
.rn-faq-bar__toggles { display: flex; gap: 8px; }
.rn-faq-bar__btn { height: 40px; padding: 0 16px; border: 1px solid var(--rn-ink); border-radius: 0; background: transparent; color: var(--rn-ink); font: inherit; font-size: 13px; cursor: pointer; }
.rn-faq-bar__btn--ink { background: var(--rn-ink); color: #fff; }
.rn-faq-bar__btn:hover { opacity: .85; }
.rn-faq-bar__reset { font-size: 13px; color: var(--rn-ink); text-decoration: underline; text-underline-offset: 3px; }

/* カテゴリーごとの組 */
.rn-faq__group { display: flex; gap: 64px; }
.rn-faq__group + .rn-faq__group { margin-top: 56px; }
.rn-faq__side { width: 330px; flex-shrink: 0; }
.rn-faq__cat { margin-top: 16px; font-size: 25px; line-height: 1.4; color: var(--rn-ink); }
.rn-faq__count { margin-top: 8px; }
.rn-faq__list { flex: 1; min-width: 0; border-bottom: 1px solid var(--rn-line-light); }

/* Q&A の行（details/summary） */
.rn-faq__item { padding: 24px 0; border-top: 1px solid var(--rn-line-light); }
.rn-faq__q { display: flex; gap: 22px; list-style: none; cursor: pointer; }
.rn-faq__q::-webkit-details-marker { display: none; }
.rn-faq__q:focus-visible { outline: 2px solid var(--rn-gold); outline-offset: 4px; }
.rn-faq__mark { width: 30px; flex-shrink: 0; font-size: 26px; font-weight: 600; line-height: 1.2; color: var(--rn-ink); }
.rn-faq__mark--a { color: var(--rn-gold); }
.rn-faq__qtext { flex: 1; min-width: 0; font-size: 18px; line-height: 1.6; color: var(--rn-ink); }
/* 開閉の記号（開いているとき −、閉じているとき ＋） */
.rn-faq__icon { position: relative; width: 14px; height: 14px; margin-top: 8px; flex-shrink: 0; }
.rn-faq__icon::before, .rn-faq__icon::after { content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 1.6px; background: var(--rn-ink); transition: transform .2s; }
.rn-faq__icon::after { transform: rotate(90deg); }
.rn-faq__item[open] .rn-faq__icon::after { transform: rotate(0deg); }
.rn-faq__a { display: flex; gap: 22px; margin-top: 14px; }
.rn-faq__body { flex: 1; min-width: 0; font-size: 14.5px; line-height: 2; color: var(--rn-sub-light); }
.rn-faq__body > * + * { margin-top: .8em; }
.rn-faq__body a { color: var(--rn-ink); text-decoration: underline; text-decoration-color: var(--rn-gold); text-underline-offset: 3px; }

/* 0件（本番どおりの「ありません」） */
.rn-faq__empty { --rn-tombo: var(--rn-gold); padding: 48px; background: var(--rn-ink); text-align: center; }
.rn-faq__zero { display: block; font-size: 54px; font-weight: 300; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--rn-gold-on-dark); }
.rn-faq__empty p { margin-top: 14px; font-family: var(--rn-font-head); font-weight: 900; font-size: 20px; color: #fff; }

@media (max-width: 1100px) {
  .rn-faq__group { gap: 40px; }
  .rn-faq__side { width: 240px; }
}
@media (max-width: 900px) {
  .rn-faq-bar { padding: 24px 0; }
  .rn-faq-bar__form { flex-direction: column; align-items: stretch; gap: 18px; }
  .rn-faq-bar__side { flex-direction: column; align-items: stretch; gap: 12px; }
  .rn-faq-bar__search input { flex: 1; width: auto; min-width: 0; }
  .rn-faq-bar__toggles .rn-faq-bar__btn { flex: 1; }
  .rn-faq__group { flex-direction: column; gap: 20px; }
  .rn-faq__group + .rn-faq__group { margin-top: 48px; }
  .rn-faq__side { width: auto; }
  .rn-faq__cat { margin-top: 12px; font-size: 22px; }
  .rn-faq__item { padding: 20px 0; }
  .rn-faq__q, .rn-faq__a { gap: 14px; }
  .rn-faq__mark { width: 22px; font-size: 22px; }
  .rn-faq__qtext { font-size: 16px; }
  .rn-faq__body { font-size: 14px; line-height: 1.95; }
  .rn-faq__empty { padding: 36px 20px; }
}