:root{--bg:#f6f8fc;--card:#fff;--ink:#0f1b3d;--muted:#5b6785;--brand:#0b5fff;--brand-d:#0846c4;--ok:#10b981;--line:#e3e8f2}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:17px}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:800px}
header.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.top .wrap{display:flex;align-items:center;gap:20px;height:62px}
.logo{font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--ink);white-space:nowrap}
.logo span{color:var(--brand)}
nav.main{display:flex;gap:18px;margin-left:auto}
nav.main a{text-decoration:none;color:var(--muted);font-size:.93rem;white-space:nowrap}
nav.main a:hover{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:13px 24px;border-radius:10px;font-weight:700;transition:.15s;margin:8px 0 4px}
.btn:hover{background:var(--brand-d)}
.btn.sm{padding:9px 16px;margin:0;font-size:.9rem}
.crumbs{font-size:.85rem;color:var(--muted);padding:12px 0;background:#fff;border-bottom:1px solid var(--line)}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--brand)}
main{padding-bottom:20px}
article{padding:34px 20px 10px}
h1{font-size:2.15rem;line-height:1.2;margin-bottom:12px}
h2{font-size:1.5rem;line-height:1.3;margin:34px 0 12px}
h3{font-size:1.15rem;margin:20px 0 6px}
p{margin-bottom:14px}
ul{margin:0 0 16px 22px}li{margin-bottom:7px}
.intro{font-size:1.12rem;color:#26325a;margin-bottom:10px}
.upd{font-size:.85rem;color:var(--muted);margin-bottom:12px}
.meta{font-size:.9rem;color:var(--muted)}
.tag{display:inline-block;background:#e8f0ff;color:var(--brand-d);font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:99px;margin-right:6px}
.cta-in{background:#eaf1ff;border-left:4px solid var(--brand);padding:14px 18px;border-radius:8px;margin:28px 0}
.tbl{overflow-x:auto;margin:14px 0 20px}
table{border-collapse:collapse;width:100%;background:#fff;font-size:.93rem}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
th{background:#f0f4fb}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin-top:9px;color:var(--muted);margin-bottom:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;color:var(--ink);transition:.15s;display:block}
.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card .ic{font-size:1.6rem;display:block;margin-bottom:6px}
.card h3{margin:6px 0 6px;font-size:1.05rem;line-height:1.35}
.card p{color:var(--muted);font-size:.9rem;margin:0}
.more{margin:6px 0 24px}
.sec{padding:26px 20px}
.sub{color:var(--muted);margin-bottom:8px}
.rel{padding-top:8px}
.hero{background:linear-gradient(180deg,#e7efff,var(--bg));padding:54px 0 40px}
.hero-g{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.badge{display:inline-block;background:#dcfce7;color:#166534;font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:99px;margin-bottom:14px}
.form-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 14px 30px -20px rgba(15,27,61,.5)}
.form-box h2{margin:0 0 10px;font-size:1.25rem}
.form-sec{padding:20px 0 0}
.form-sec h2{text-align:center}.form-sec .sub{text-align:center}
.disc{font-size:.8rem;color:var(--muted);line-height:1.5}
.disc.inline{margin-top:18px}
footer{background:#0f1b3d;color:#c8d3f0;padding:36px 0 24px;margin-top:30px;font-size:.92rem}
footer a{color:#c8d3f0;display:block;text-decoration:none;margin:5px 0}
footer a:hover{color:#fff}
footer strong{color:#fff;display:block;margin-bottom:6px}
footer .disc{color:#93a1c9;margin-top:18px;border-top:1px solid #243256;padding-top:14px}
.copy{font-size:.8rem;color:#93a1c9;margin-top:10px}
.fgrid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px}
@media(max-width:820px){
 body{font-size:16px}
 nav.main{display:none}
 header.top .wrap{justify-content:space-between}
 h1{font-size:1.7rem}
 .hero-g,.fgrid{grid-template-columns:1fr}
 .cards{grid-template-columns:1fr}
}

.banner{display:block;width:100%;height:auto;border-radius:14px;margin:4px 0 20px;aspect-ratio:4/1;object-fit:cover}
.thumb{display:block;width:100%;height:96px;object-fit:cover;border-radius:10px;margin-bottom:10px}
.hero-img{display:block;width:100%;max-width:520px;height:auto;border-radius:16px;margin-top:22px;aspect-ratio:4/1;object-fit:cover}
@media(max-width:820px){.banner{aspect-ratio:3/1}}
.logo img{display:block;height:40px;width:auto}
.ad{margin:22px 0;text-align:center;min-height:90px}.ad span{display:block;font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.banner{aspect-ratio:auto;height:auto;width:100%;max-width:100%}
.thumb{height:auto;aspect-ratio:3/1;object-fit:cover}
.content figure{margin:16px 0}.content img{height:auto;border-radius:10px}.content iframe{width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:10px}
.content hr{border:0;border-top:1px solid var(--line);margin:24px 0}
article{padding-top:26px}.wrap.narrow article,article.wrap{padding-left:20px;padding-right:20px}
.hero-img{max-width:560px;aspect-ratio:3/1;margin-top:0}