@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap');:root{--bg:#0c1215;--panel:#172126;--ink:#eaf1ef;--muted:#a4b4b2;--line:#2b3b3f;--accent:#a7d2be;--accent2:#d2e7dc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Noto Sans JP',system-ui,sans-serif;line-height:1.9;font-size:15px}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}.wrap{max-width:1100px;margin:auto;padding-left:24px;padding-right:24px}.skip{position:absolute;top:-60px;left:8px;background:#fff;color:#000;padding:8px}.skip:focus{top:8px}.site-header{border-bottom:1px solid var(--line);background:#10191c}.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:86px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;letter-spacing:.08em;font-weight:700;line-height:1.1}.brand small{display:block;font-size:10px;font-weight:400;color:var(--muted);letter-spacing:.13em;margin-top:7px}.mark{display:grid;place-items:center;border:1px solid #789e91;border-radius:12px;color:var(--accent);width:43px;height:43px;font-size:23px}.nav nav{display:flex;gap:26px;font-size:13px;color:#cad6d3}.hero{padding:108px 0 115px;max-width:830px}.eyebrow{font-size:11px;letter-spacing:.25em;font-weight:700;color:var(--accent);margin-bottom:20px}.hero h1{font-size:clamp(34px,5.2vw,64px);line-height:1.45;letter-spacing:.035em;margin:0 0 24px}.hero h1 em{font-style:normal;color:var(--accent2)}.hero p{max-width:650px;color:var(--muted);font-size:16px;line-height:2.1}.btn{display:inline-flex;background:var(--accent);color:#0b1b17;border-radius:6px;padding:13px 25px;font-weight:700;margin-top:20px}.btn:hover{background:#d2e7dc;color:#0b1b17}.section{padding:30px 0 100px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.section-head h2,.feature h2{font-size:27px;margin:0}.section-head p{color:var(--muted);font-size:13px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);padding:30px;border-radius:8px;min-height:300px;transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:#7ba394}.card-no{font-size:12px;letter-spacing:.12em;color:var(--accent)}.card h3,.card h2{font-size:19px;line-height:1.7;margin:24px 0 12px}.card p{font-size:13px;color:var(--muted);line-height:1.9}.more{color:var(--accent);margin-top:auto;font-size:13px;font-weight:700;padding-top:22px}.feature{background:linear-gradient(120deg,#1b302c,#182428);padding:56px;border:1px solid #38534b;border-radius:10px;margin-bottom:110px}.feature p{color:#c4d1cc;max-width:740px}.text-link{color:var(--accent);font-weight:700}.page-head{padding:70px 0 46px}.page-head h1{font-size:clamp(30px,4vw,43px);margin:0 0 12px}.page-head p{color:var(--muted)}.cards-list{margin-bottom:100px}.article{max-width:800px;margin:70px auto 110px}.article h1{font-size:clamp(28px,4vw,42px);line-height:1.55}.lead{font-size:17px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:36px}.article-body{padding:10px 0 30px}.article-body section{margin-top:38px}.article-body h2{font-size:22px;border-left:3px solid var(--accent);padding-left:17px;line-height:1.6}.article-body p,.prose p{color:#c3d0cd;line-height:2.2}.article-note{border:1px solid var(--line);background:var(--panel);padding:25px;border-radius:8px;margin:28px 0}.article-note p{color:var(--muted);font-size:13px}.back{color:var(--accent);font-size:13px}.prose{max-width:800px;margin:0 auto 110px}.prose h2{margin-top:38px;font-size:21px}.footer{border-top:1px solid var(--line);padding:35px 0 45px;color:var(--muted);font-size:12px}.footer-links{display:flex;gap:25px;flex-wrap:wrap;margin-bottom:24px}.footer p{margin:8px 0}@media(max-width:800px){.cards{grid-template-columns:1fr}.card{min-height:230px}.section-head{display:block}.nav{align-items:flex-start;flex-direction:column;padding-top:20px;padding-bottom:20px}.nav nav{gap:18px;flex-wrap:wrap}.hero{padding:70px 0}.feature{padding:30px;margin-bottom:70px}.page-head{padding-top:50px}.article{margin-top:45px}}