:root{
  --red:#d31145;--red-dark:#a80d37;--ink:#202124;--muted:#5f6368;
  --line:#e3e5e8;--soft:#fff4f7;--bg:#f7f7f8;--card:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Apple SD Gothic Neo','Malgun Gothic',sans-serif;font-size:16px;line-height:1.72;word-break:keep-all;overflow-wrap:break-word;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:var(--red-dark)}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:#111;padding:10px 14px;z-index:99}
.skip:focus{left:8px}
.shell{width:calc(100% - 32px);max-width:840px;min-width:0;margin:0 auto}
.site-head{background:#15161a;color:#fff;border-bottom:3px solid var(--red)}
.site-head__inner{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{color:#fff;text-decoration:none;font-weight:900;letter-spacing:-.02em}
.brand small{display:block;color:#c9cbd2;font-size:11px;font-weight:600;letter-spacing:0}
.head-link{color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.55);border-radius:999px;padding:9px 12px;font-size:13px;font-weight:700}
.crumb{padding:18px 0 6px;color:var(--muted);font-size:13px}
.crumb a{color:var(--muted)}
main{padding-bottom:96px}
.hero{padding:24px 0 18px}
.eyebrow{margin:0 0 8px;color:var(--red);font-size:13px;font-weight:900;letter-spacing:.06em}
h1{margin:0;max-width:760px;font-size:clamp(30px,7.5vw,48px);line-height:1.2;letter-spacing:-.045em;text-wrap:balance}
.lead{max-width:730px;margin:16px 0 0;color:#3c4043;font-size:17px;line-height:1.7}
.meta{margin:14px 0 0;color:var(--muted);font-size:13px}
.answer{margin:20px 0;padding:18px 20px;border:1px solid #f2bdce;border-left:5px solid var(--red);border-radius:14px;background:var(--soft)}
.answer strong{display:block;margin-bottom:5px;color:var(--red-dark);font-size:13px}
.answer p{margin:0;font-size:17px;font-weight:700;line-height:1.65}
.card{min-width:0;margin:16px 0;padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--card);overflow-wrap:break-word}
.card h2{margin:0 0 12px;font-size:23px;line-height:1.35;letter-spacing:-.025em;text-wrap:balance}
.card h3{margin:22px 0 7px;font-size:18px;line-height:1.4}
.card p{margin:0 0 12px}
.card ul,.card ol{margin:8px 0 10px;padding-left:23px}
.card li{margin:7px 0}
.checklist{list-style:none;padding-left:0!important}
.checklist li{position:relative;padding-left:30px}
.checklist li:before{content:'✓';position:absolute;left:0;top:0;color:var(--red);font-weight:900}
.compare{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:14px 0;font-size:14px;-webkit-overflow-scrolling:touch}
.compare th,.compare td{border:1px solid var(--line);padding:11px 10px;text-align:left;vertical-align:top}
.compare th{background:#f1f3f4;white-space:nowrap}
.note{padding:14px 16px;border-radius:12px;background:#f3f5f7;color:#3c4043;font-size:14px}
.guide-grid{display:grid;grid-template-columns:1fr;gap:12px}
.guide-link{display:block;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);text-decoration:none}
.guide-link strong{display:block;font-size:17px}
.guide-link span{display:block;margin-top:4px;color:var(--muted);font-size:14px}
.guide-link:hover{border-color:var(--red);transform:translateY(-1px)}
.sources{font-size:14px}
.sources li{overflow-wrap:anywhere}
.cta-box{margin:22px 0;padding:22px;border-radius:18px;background:#202124;color:#fff;text-align:center}
.cta-box h2{margin:0 0 8px;font-size:24px}
.cta-box p{margin:0 0 15px;color:#d9dce1}
.cta{display:flex;min-height:52px;align-items:center;justify-content:center;border-radius:12px;background:var(--red);color:#fff;text-decoration:none;font-size:16px;font-weight:900;padding:13px 16px}
.cta-sub{display:block;margin-top:8px;color:#d9dce1;font-size:12px}
details{border-top:1px solid var(--line)}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{min-height:50px;display:flex;align-items:center;cursor:pointer;font-weight:800;padding:10px 28px 10px 0}
details p{padding:0 0 14px;margin:0;color:#3c4043}
.site-foot{padding:30px 0 110px;background:#eceef0;color:#50545a;font-size:12px;text-align:center}
.sticky-cta{position:fixed;right:0;bottom:0;left:0;z-index:20;padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(255,255,255,.96);box-shadow:0 -5px 18px rgba(0,0,0,.09)}
.sticky-cta .cta{width:min(100%,600px);margin:0 auto}
@media (min-width:700px){
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card{padding:28px}
  .hero{padding-top:34px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-link{transform:none!important}}