.reading-shell{min-height:100dvh;color:var(--text);background:radial-gradient(circle at 8% 4%, #1a395914, transparent 28rem), var(--surface);padding-bottom:clamp(72px,10vw,128px)}.reading-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:24px;width:min(1120px,100% - 40px);min-height:76px;margin:0 auto;display:flex}.reading-wordmark{align-items:center;gap:11px;font-size:14px;display:inline-flex}.reading-wordmark>span{color:#fff;background:var(--ink);width:34px;height:34px;font:800 15px/1 var(--font-geist-mono);border-radius:50%;place-items:center;display:grid}.reading-home-link{color:var(--text-muted);border:1px solid var(--border);border-radius:999px;padding:10px 14px;font-size:13px;font-weight:720}.reading-intro,.reading-detail-intro{width:min(1120px,100% - 40px);margin:0 auto;padding:clamp(64px,9vw,112px) 0 clamp(44px,6vw,72px)}.reading-kicker{color:var(--accent);font:780 12px/1.4 var(--font-geist-mono);letter-spacing:.14em;text-transform:uppercase;margin:0 0 20px}.reading-intro h1,.reading-detail-intro h1{letter-spacing:-.06em;text-wrap:balance;max-width:980px;margin:0;font-size:clamp(42px,6.4vw,78px);line-height:1.02}.reading-intro-copy{max-width:720px;color:var(--text-muted);margin:24px 0 0;font-size:clamp(15px,1.5vw,18px);line-height:1.8}.reading-detail-en{color:var(--text-muted);font:600 clamp(15px, 1.6vw, 19px)/1.5 var(--font-geist-mono);margin:18px 0 0}.reading-list{gap:14px;width:min(1120px,100% - 40px);margin:0 auto;display:grid}.reading-index-card{background:var(--card,#fff);border:1px solid var(--border);border-radius:18px;grid-template-columns:148px 1fr;gap:clamp(16px,3vw,40px);padding:clamp(20px,3vw,30px);transition:border-color .18s,transform .18s;display:grid}.reading-index-card:hover{border-color:var(--ink);transform:translateY(-2px)}.reading-index-number{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.reading-index-number>span{font:800 26px/1 var(--font-geist-mono);letter-spacing:-.03em}.reading-index-number>b{border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:5px 11px;font-size:12px;font-weight:760}.reading-index-number>b[data-kind=argument]{color:var(--accent);border-color:currentColor}.reading-index-copy h2{letter-spacing:-.02em;margin:0;font-size:clamp(19px,2.2vw,24px)}.reading-index-en{color:var(--text-muted);font:600 13px/1.5 var(--font-geist-mono);margin:7px 0 0}.reading-index-copy>p{color:var(--text-muted);margin:12px 0 0;font-size:15px;line-height:1.75}.reading-index-copy small{color:var(--text-muted);font:600 12px/1.5 var(--font-geist-mono);margin-top:14px;display:block}.reading-body{width:min(720px,100% - 40px);margin:0 auto}.reading-body p{letter-spacing:.004em;margin:0 0 26px;font-size:clamp(17px,1.8vw,20px);line-height:1.95}.reading-panel{background:var(--card,#fff);border:1px solid var(--border);border-radius:18px;width:min(720px,100% - 40px);margin:clamp(32px,5vw,52px) auto 0;padding:clamp(20px,3vw,28px)}.reading-panel h2{letter-spacing:-.01em;margin:0 0 14px;font-size:17px}.reading-panel-note{color:var(--text-muted);margin:0 0 16px;font-size:14px;line-height:1.75}.reading-word-groups{gap:14px;margin:0;display:grid}.reading-word-groups dt{color:var(--text-muted);letter-spacing:.04em;font-size:12px;font-weight:760}.reading-word-groups dd{margin:6px 0 0;font-size:15px;line-height:1.8}.reading-test summary{cursor:pointer;font:600 15px/1.8 var(--font-geist-mono);border:1px dashed var(--border);border-radius:12px;padding:14px 16px}.reading-test[open] summary{margin-bottom:16px}.reading-test table{border-collapse:collapse;width:100%;font-size:15px}.reading-test th,.reading-test td{text-align:left;border-bottom:1px solid var(--border);padding:9px 10px}.reading-test th{color:var(--text-muted);font-size:12px;font-weight:760}.reading-test td:nth-child(2){font-family:var(--font-geist-mono)}.reading-nav{grid-template-columns:1fr 1fr;gap:14px;width:min(720px,100% - 40px);margin:clamp(36px,5vw,56px) auto 0;display:grid}.reading-nav a{background:var(--card,#fff);border:1px solid var(--border);border-radius:16px;gap:6px;padding:18px 20px;display:grid}.reading-nav a:hover{border-color:var(--ink)}.reading-nav small{color:var(--text-muted);font-size:12px;font-weight:700}.reading-nav b{letter-spacing:-.01em;font-size:15px}@media (max-width:680px){.reading-index-card{grid-template-columns:1fr}.reading-index-number{flex-direction:row;align-items:center;gap:12px}.reading-nav{grid-template-columns:1fr}.reading-test table{display:block;overflow-x:auto}}