/* 英語のりんについて(/about)の拡充。2026-09-15 本人承認の原稿 ABX-01〜ABX-52 と、共通メニュー「私たちについて」のアンカー。
   既存の .ab-svc/.ab-certs/.ab-notes/.ab-facts の見た目を使い、足りない部分だけここで足す。 */
.ab-sec{scroll-margin-top:96px}
.ab-credentials{scroll-margin-top:96px;margin-top:48px}
.ab-subhead{margin:0 0 12px;font-family:"Noto Serif CJK JP","Hiragino Mincho ProN",serif;font-size:22px;line-height:1.5}
.ab-scores{margin:0 0 20px;font-size:16px;letter-spacing:.02em}
.ab-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ab-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.ab-open{margin-top:56px}
.ab-open .prose a{text-decoration:underline;text-decoration-color:var(--rin-brass,#C08A3E);text-underline-offset:5px}
.ab-fine{margin:12px 0 0;font-size:13px;opacity:.72}
.ab-open .ab-cta,#houjin .ab-cta,#contact .ab-cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:24px}
.ab-faq{max-width:900px}
.ab-faq details{border-bottom:1px solid var(--rin-border,rgba(255,255,255,.14))}
.ab-faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 0;cursor:pointer;font-size:17px}
.ab-faq summary::-webkit-details-marker{display:none}
.ab-faq summary::after{content:"+";flex:none;font-size:20px;color:var(--rin-brass,#C08A3E)}
.ab-faq details[open] summary::after{content:"−"}
.ab-faq details p{margin:0 0 18px;line-height:1.9;opacity:.86}
@media (max-width:900px){
  .ab-principles,.ab-two{grid-template-columns:minmax(0,1fr)}
}