:root{
  --bg:#0c0e12;
  --bg2:#11151c;
  --panel:#151a22;
  --line:#2a313d;
  --ink:#e7e9ed;
  --muted:#aab1bd;
  --dim:#707986;
  --teal:#4fd1c0;
  --amber:#f0a84b;
  --coral:#ff7a6b;
  --violet:#b79cff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;line-height:1.9}
a{color:var(--teal);text-underline-offset:3px}
a:hover{color:#8be6db}
.article-shell{max-width:1040px;margin:0 auto;padding:0 24px 80px}
.sitebar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);font-size:12px}
.sitebar a{text-decoration:none}
.sitebar .brand{color:var(--ink);font-family:Georgia,"Noto Serif JP",serif;font-weight:700;letter-spacing:.08em}
.sitebar nav{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.eyebrow{margin:0 0 14px;color:var(--amber);font-size:11px;letter-spacing:.18em;font-weight:700}
.article-header{max-width:820px;padding:74px 0 42px}
h1,h2,h3{font-family:Georgia,"Noto Serif JP",serif;line-height:1.5}
h1{margin:0;font-size:clamp(30px,5vw,54px);letter-spacing:.02em}
h2{margin:0 0 18px;font-size:clamp(22px,3vw,32px)}
h3{margin:0 0 10px;font-size:18px}
.lede{margin:24px 0 0;color:#cbd0d7;font-size:clamp(15px,2vw,18px);line-height:2}
.meta{margin:22px 0 0;color:var(--dim);font-size:12px}
.answer{border:1px solid rgba(79,209,192,.45);border-left:4px solid var(--teal);background:rgba(79,209,192,.06);padding:22px 24px;margin:24px 0 44px}
.answer strong{color:var(--teal)}
.section{padding:46px 0;border-top:1px solid var(--line)}
.section>p,.section>ul,.section>ol,.section>.prose{max-width:820px}
.section p{color:#c4cad3}
.section li{color:#c4cad3;margin:8px 0}
.section li::marker{color:var(--amber)}
.kicker{color:var(--violet)!important;font-size:12px;letter-spacing:.14em;font-weight:700;text-transform:uppercase}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
.card p{font-size:13px;margin:0;color:var(--muted)}
.card h3{color:var(--amber);font-size:16px}
.table-wrap{overflow-x:auto;margin:24px 0}
table{border-collapse:collapse;width:100%;min-width:720px;background:var(--panel);font-size:13px}
caption.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
th,td{text-align:left;vertical-align:top;padding:13px 15px;border-bottom:1px solid var(--line)}
th{color:var(--amber);font-size:11px;letter-spacing:.1em;white-space:nowrap}
td{color:#c4cad3}
td:first-child{color:var(--ink);font-weight:700}
.note{border:1px dashed var(--line);border-radius:12px;padding:17px 19px;color:var(--muted);font-size:13px;background:rgba(255,255,255,.02)}
.note strong{color:var(--ink)}
.more{margin-top:14px;font-size:13px;color:var(--muted)}
.more a{color:var(--teal)}
.source-list{padding-left:22px}
.source-list li{margin:12px 0}
.source-list small{display:block;color:var(--dim);font-size:11px;line-height:1.7}
.next{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:8px 14px;text-decoration:none;font-size:12px;color:var(--muted)}
.pill:hover{border-color:var(--teal)}
.hub-card{display:block;text-decoration:none;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;margin-top:24px}
.hub-card:hover{border-color:var(--teal)}
.hub-card .tag{color:var(--amber);font-size:10px;letter-spacing:.16em;font-weight:700}
.hub-card h2{font-size:23px;margin:10px 0 8px}
.hub-card p{margin:0;color:var(--muted);font-size:13px}
.footer-note{margin-top:56px;padding-top:24px;border-top:1px dashed var(--line);color:var(--dim);font-size:11px}
@media(max-width:760px){
  .article-shell{padding-left:18px;padding-right:18px}
  .sitebar{align-items:flex-start;flex-direction:column}
  .sitebar nav{justify-content:flex-start}
  .article-header{padding-top:52px}
  .grid{grid-template-columns:1fr}
  .section{padding:36px 0}
}