:root{
  --bg:#090a0d;--panel:#12141a;--panel2:#171a21;--text:#f6f7f9;--muted:#aeb4bf;
  --line:#272b35;--accent:#2bc0ed;--accent2:#8ae6ff;--green:#8df0c0;--max:1120px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);
font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",sans-serif;line-height:1.8}
a{color:inherit}.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}.topbar{position:sticky;top:0;z-index:20;
background:rgba(9,10,13,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-weight:900;text-decoration:none}
.navlinks{display:flex;gap:16px;flex-wrap:wrap}.navlinks a{font-size:13px;text-decoration:none;color:var(--muted)}
.hero{padding:82px 0 48px}.hero-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:28px;align-items:center}
.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--accent2);font-weight:800}.hero h1{font-size:clamp(38px,7vw,72px);
line-height:1.04;margin:12px 0 20px}.hero p{font-size:18px;color:#d1d5dc;max-width:760px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.btn,.cta{display:inline-block;text-decoration:none;border-radius:12px;
padding:13px 18px;font-weight:900}.btn,.cta.primary{background:var(--accent);color:#071015}.cta.secondary{border:1px solid var(--line);background:var(--panel);color:var(--text)}
.hero-card,.card,.box,.article-card{background:var(--panel);border:1px solid var(--line);border-radius:18px}
.hero-card{padding:22px}.hero-card strong{font-size:18px}.hero-card p{font-size:14px;color:var(--muted)}
.stat{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--line);font-size:14px}.stat:first-of-type{margin-top:12px}
.section{padding:34px 0}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}
.section-title h2{font-size:30px;margin:0}.section-title p{margin:0;color:var(--muted);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{padding:20px}.card h3,.card h2{margin:5px 0 8px}.card p{color:var(--muted);font-size:14px}
.tag{display:inline-block;border:1px solid #285569;border-radius:999px;color:var(--accent2);font-size:11px;padding:4px 8px;font-weight:800}
.article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.article-card{display:block;text-decoration:none;padding:20px;transition:.18s transform,.18s border-color}
.article-card:hover{transform:translateY(-2px);border-color:#3e6575}.article-card small{color:var(--accent2);font-weight:800}.article-card h3{font-size:18px;line-height:1.5;margin:7px 0}
.article-card p{font-size:14px;color:var(--muted);margin-bottom:0}.product{background:linear-gradient(180deg,#0e2530,#12141a);border-color:#24647d}
.product-price{font-size:30px;font-weight:900;margin:8px 0}.footer{margin-top:60px;border-top:1px solid var(--line);padding:32px 0 50px;color:#8f96a2;font-size:13px}
.footer a{color:#bfc5ce}.footer-links{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.article{max-width:780px;margin:0 auto;padding:54px 20px}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.article h1{font-size:clamp(32px,7vw,48px);line-height:1.2;margin:8px 0 18px}.article h2{font-size:26px;margin-top:46px;line-height:1.45}
.article h3{font-size:20px;margin-top:30px}.article .lead{font-size:18px;color:#d1d5dc}.article p,.article li{color:#d3d6dc}
.article ul,.article ol{padding-left:1.3em}.note{font-size:13px;color:var(--muted);border-left:3px solid var(--accent);padding-left:14px}
.box{padding:20px;margin:26px 0}.box h3{margin-top:0}.prompt{white-space:pre-wrap;background:#0d1015;border:1px solid #303643;border-radius:12px;padding:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:#e5e9ef}
.toc{background:#0f1116;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:24px 0}.toc strong{display:block;margin-bottom:8px}.toc a{color:#cdd6df;text-decoration:none}
.pr{font-size:11px;color:var(--accent2);font-weight:800;letter-spacing:.08em}.affiliate-card{background:#141820;border:1px solid #2d3440;border-radius:16px;padding:18px;margin:20px 0}
.affiliate-card h3{margin:4px 0 8px}.affiliate-card p{font-size:14px;color:var(--muted)}
.hr{height:1px;background:var(--line);margin:32px 0}.socials{display:flex;gap:10px;flex-wrap:wrap}.socials a{font-size:13px;border:1px solid var(--line);padding:8px 11px;border-radius:9px;text-decoration:none}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.article-list{grid-template-columns:repeat(2,1fr)}.hero-grid{grid-template-columns:1fr}}
@media(max-width:650px){.grid,.article-list{grid-template-columns:1fr}.nav{align-items:flex-start;padding:13px 0}.navlinks{gap:10px}.hero{padding-top:52px}.section-title{display:block}.section-title p{margin-top:6px}}