:root{
  --bg:#f4f5fb;--paper:#ffffff;--ink:#1c2150;--sub:#5a5f82;--line:#dfe2f0;
  --brand:#27306b;--accent:#5b4bd6;--accent-soft:#ecebfb;--warn:#a8341f;--warn-soft:#fbe9e5;
  --radius:10px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;line-height:1.8;font-size:16px}
a{color:var(--accent)}
.wrap{max-width:900px;margin:0 auto;padding:0 16px}
.pr{background:#141840;color:#aab0d8;font-size:11px;text-align:center;padding:3px 16px}
header.site{background:var(--brand)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:12px}
header.site a.logo{color:#fff;text-decoration:none;font-weight:800;font-size:17px;letter-spacing:.02em}
header.site a.logo small{display:block;font-weight:400;font-size:11px;color:#b9bee6;letter-spacing:.06em}
header.site a.go{background:#fff;color:var(--brand);text-decoration:none;font-size:13px;font-weight:700;padding:5px 12px;border-radius:6px;white-space:nowrap}
.crumb{font-size:13px;color:var(--sub);padding:14px 0 0}
.crumb a{color:var(--sub)}
main article{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;margin:12px 0 28px}
h1{font-size:25px;line-height:1.45;margin:0 0 8px;text-wrap:balance}
h2{font-size:20px;line-height:1.5;margin:36px 0 12px;display:flex;align-items:center;gap:10px}
h2::before{content:"";width:6px;height:22px;background:var(--accent);border-radius:2px;flex:none}
h3{font-size:17px;margin:24px 0 8px}
.meta{font-size:13px;color:var(--sub);margin-bottom:14px}
.answer{border:2px solid var(--accent);border-radius:var(--radius);padding:14px 18px;margin:16px 0;background:var(--accent-soft)}
.answer b.lbl{display:block;font-size:12px;color:var(--accent);letter-spacing:.1em;margin-bottom:2px}
.note{background:var(--warn-soft);border-left:4px solid var(--warn);padding:12px 16px;border-radius:6px;font-size:15px;margin:18px 0}
.fact{font-size:12px;color:var(--sub)}
.tbl{overflow-x:auto;margin:14px 0;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--paper)}
th,td{border-bottom:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
tr:last-child td{border-bottom:0}
th{background:var(--brand);color:#fff;font-weight:600;white-space:nowrap}
tr:nth-child(even) td{background:#f8f8fd}
ol.steps{counter-reset:s;list-style:none;padding:0}
ol.steps>li{counter-increment:s;position:relative;padding:0 0 14px 44px}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;text-align:center;line-height:30px;font-weight:700;font-size:14px}
.save{border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;margin:28px 0;background:#f8f8fd}
.save h2{margin:0 0 8px;font-size:17px}
.save label{display:flex;gap:10px;align-items:flex-start;margin:8px 0;cursor:pointer}
.save input{width:20px;height:20px;margin-top:4px;accent-color:var(--accent);flex:none}
.faq details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq summary::before{content:"Q. ";color:var(--accent)}
.next{display:grid;gap:10px;margin:14px 0}
@media(min-width:720px){.next{grid-template-columns:repeat(3,1fr)}}
.next a{display:block;border:1px solid var(--line);border-radius:8px;padding:12px 14px;text-decoration:none;color:var(--ink);background:#fff}
.next a small{display:block;color:var(--sub);font-size:12px}
.next a:hover{border-color:var(--accent)}
.risk{font-size:13px;color:var(--sub);border-top:1px solid var(--line);margin-top:36px;padding-top:14px}
.src{font-size:13px}
.cta{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:8px 16px;border-radius:8px;font-weight:700;font-size:14px}
.hero{padding:26px 0 6px}
.hero h1{font-size:27px}
.hero p{color:var(--sub);margin:4px 0 0}
.cmp th:first-child,.cmp td:first-child{position:sticky;left:0;z-index:1}
.cmp td:first-child{background:#fff;font-weight:700}
.cmp tr:nth-child(even) td:first-child{background:#f8f8fd}
.cmp{min-width:760px}
.cards{display:grid;grid-template-columns:1fr;gap:10px;margin:14px 0}
@media(min-width:620px){.cards{grid-template-columns:1fr 1fr}}
.cards a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;text-decoration:none;color:var(--ink)}
.cards a b{display:block;line-height:1.5}
.cards a small{color:var(--sub);font-size:13px}
.sitelist{padding-left:1.2em}.sitelist li{margin:10px 0}.sitelist small{color:var(--sub)}
footer{font-size:13px;color:var(--sub);padding:24px 0 40px}
footer a{color:var(--sub)}
@media(max-width:480px){h1,.hero h1{font-size:22px}h2{font-size:18px}main article{padding:20px 16px}}