.ja-guide-list{display:grid;gap:14px;margin-top:24px}.ja-guide-card{display:grid;gap:6px;padding:18px 20px;border:1px solid var(--rule);border-radius:var(--r-2);background:var(--surface);color:var(--ink);text-decoration:none;box-shadow:var(--shadow-1)}.ja-guide-card:hover{border-color:var(--brand)}.ja-guide-card h2{font-size:19px;margin:0;line-height:1.3}.ja-guide-card p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.55}.ja-guide-card .meta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--mute);font-family:var(--mono)}.ja-article{padding-top:24px}.ja-article .ja-crumbs{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0 0 14px;font-size:14px;color:var(--mute)}.ja-article .ja-crumbs li+li:before{content:"/";margin-right:6px;color:var(--rule-2, var(--rule))}.ja-article .ja-crumbs a{color:var(--brand);text-decoration:none}.ja-article .ja-crumbs a:hover{text-decoration:underline}.ja-article h1{font-size:clamp(26px,4vw,34px);line-height:1.2;letter-spacing:-.015em;margin:0 0 10px}.ja-article .ja-byline{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--mute);margin:0 0 26px}.ja-article .ja-byline b{color:var(--ink-2);font-weight:500}.ja-article .ja-lead{margin-bottom:20px}.ja-related{margin-top:36px;padding:18px 20px;border:1px solid var(--rule);border-radius:var(--r-2);background:var(--surface)}.ja-related h2{font-size:16px;margin:0 0 10px}.ja-related ul{margin:0;padding-left:20px}.ja-related li{margin:4px 0}.ja-related a{color:var(--brand)}.ja-calc{display:grid;gap:18px;margin:20px 0 28px;padding:20px;border:1px solid var(--rule);border-radius:var(--r-2);background:var(--surface)}.ja-calc-inputs{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr))}.ja-calc label{display:grid;gap:6px;font-size:15px}.ja-calc label small{color:var(--mute)}.ja-calc input[type=number]{font:500 17px var(--mono);padding:10px 12px;border:1px solid var(--rule);border-radius:var(--r-1);min-height:44px;width:100%;box-sizing:border-box}.ja-calc input[type=number]:focus{outline:2px solid var(--brand);outline-offset:1px}.ja-calc-mode{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:8px 20px;margin:0;padding:0;border:0}.ja-calc-mode legend{font-weight:600;margin-bottom:6px;padding:0}.ja-calc-mode label{display:inline-flex;align-items:center;gap:8px;min-height:44px}.ja-calc-counts{grid-column:1 / -1;display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(min(180px,100%),1fr))}.ja-calc-counts p{grid-column:1 / -1}.ja-calc-result td.n,.ja-calc-result th{white-space:nowrap}.ja-article .ja-status{margin:0 0 24px}