.article-layout>main{min-width:0}
.guide-visual{margin:0 0 42px;padding:28px;background:var(--wash);border:1px solid var(--line);border-radius:4px;font-family:var(--sans)}
.guide-visual figcaption{font-size:1.25rem;font-weight:700;line-height:1.6;margin-bottom:10px}
.guide-visual .visual-intro{font-size:.94rem;color:var(--muted);line-height:1.8;margin:0 0 22px}
.guide-visual .visual-foot{font-size:.875rem;line-height:1.8;color:var(--muted);margin:18px 0 0}
.choice-map{display:grid;gap:12px}.choice-route{display:grid;grid-template-columns:125px 28px 1fr;align-items:center;gap:16px;padding:18px;background:white;border:1px solid var(--line);border-radius:4px;text-decoration:none}
.choice-route:hover{border-color:var(--accent)}.choice-need{color:var(--muted);font-size:.875rem;line-height:1.7}.choice-need strong{color:var(--ink);font-size:1.1rem}.route-arrow{color:var(--accent);font-size:1.4rem}
.choice-answer{display:flex;flex-direction:column;gap:4px}.choice-answer>strong{font-size:1.2rem}.choice-answer>span{font-size:.875rem;line-height:1.7;color:var(--muted)}
.period-lanes{display:grid;gap:20px}.guide-visual .period-lane h2{font:650 1rem/1.7 var(--sans);margin:0 0 10px;border:0;padding:0}
.period-stages{display:grid;grid-template-columns:1fr 48px 1.4fr;align-items:stretch;gap:10px}.period-stage{padding:18px 14px;background:white;border:1px solid var(--line);border-radius:4px;font-size:1rem;display:flex;flex-direction:column;justify-content:center;gap:8px}.period-stage span{font-size:.875rem;line-height:1.7;color:var(--muted)}
.period-turn{align-self:center;display:flex;flex-direction:column;align-items:center;font-size:.875rem;color:var(--muted)}.period-turn span{font-size:1.5rem}.period-end{border-style:dashed;background:transparent}.period-continue{border-color:var(--accent);color:var(--accent)}
.visual-link{display:inline-block;margin-top:16px;font-size:.875rem}
.cost-equation{display:grid;grid-template-columns:1fr 22px 1fr 22px 1.2fr;align-items:center;gap:8px;padding:22px 0 28px;text-align:center;font-size:1rem}.cost-equation small{display:block;font-size:.875rem;line-height:1.6;margin-top:8px;color:var(--muted)}.cost-equation>strong{padding:18px 8px;background:#fff;border-bottom:3px solid var(--accent);color:var(--accent)}.math-symbol{font-size:1.3rem;color:var(--muted)}
.check-index{list-style:none;margin:0;padding:0}.check-index li{margin:0;padding:0}.check-index a{display:grid;grid-template-columns:34px 120px 1fr;gap:12px;align-items:center;padding:13px 0;border-top:1px solid var(--line);text-decoration:none}.check-index a>span{font-size:.875rem;color:var(--accent);font-variant-numeric:tabular-nums}.check-index strong{font-size:1rem;color:var(--ink)}.check-index small{font-size:.875rem;color:var(--muted)}.check-index a:hover strong{text-decoration:underline}
.month-example{display:grid;grid-template-columns:1fr 24px 1fr 24px 1.25fr;align-items:center;gap:10px;margin:24px 0}.month-step{text-align:center}.month-value{display:block;font-size:3.3rem;font-weight:600;line-height:1.2;letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-bottom:14px}.month-value small{font-size:.94rem;letter-spacing:0;margin-left:3px}.month-step>strong{font-size:.875rem;line-height:1.6}.month-arrow{font-size:1.5rem;color:var(--muted)}.month-result{background:white;border:1px solid var(--accent);border-radius:4px;padding:20px 8px;color:var(--accent)}
.scope-split{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px;border-top:1px solid var(--line);padding-top:20px}.scope-split>div{display:flex;flex-direction:column;gap:8px}.scope-split span{font-size:.875rem;color:var(--muted)}.scope-split strong{font-size:1rem}
.article-head .meta{margin:20px 0 28px}.article-body>.guide-visual+h2{margin-top:0}
@media(max-width:600px){.article-head h1{font-size:1.75rem;line-height:1.6;margin-bottom:16px;letter-spacing:.01em}.article-head .eyebrow{margin-bottom:12px}.article-head .article-lead{font-size:1rem}.article-layout{padding-top:22px}.article-head .meta{margin:16px 0 22px}}
@media(max-width:600px){.guide-visual{padding:20px 16px}.guide-visual figcaption{font-size:1.15rem}.choice-route{grid-template-columns:90px 18px 1fr;gap:10px;padding:14px 10px}.choice-need strong{font-size:1rem}.choice-answer>strong{font-size:1.05rem}.period-stages{grid-template-columns:1fr 30px 1.3fr;gap:6px}.period-stage{padding:14px 10px;font-size:.94rem}.period-turn{font-size:.8rem}.month-example{gap:5px;grid-template-columns:1fr 18px 1fr 18px 1.2fr}.month-value{font-size:2.4rem}.month-result{padding:16px 5px}.month-step>strong{font-size:.875rem}.month-arrow{font-size:1.15rem}.cost-equation{grid-template-columns:1fr 20px 1fr;gap:12px 6px;padding:14px 0 24px}.cost-equation>.math-symbol:nth-of-type(4){display:none}.cost-equation>strong{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:left}.cost-equation>strong small{margin:0}.check-index a{grid-template-columns:26px 1fr;gap:2px 8px}.check-index small{grid-column:2}.scope-split{gap:14px}.scope-split strong{font-size:.94rem}}