.guide-main{padding-block:60px 72px}.guide-breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:32px;font-size:14px;display:flex}.guide-breadcrumb a{text-underline-offset:4px;align-items:center;min-height:44px;text-decoration:underline;display:inline-flex}.guide-heading{max-width:860px;margin-bottom:48px}.guide-heading h1{letter-spacing:-.035em;text-wrap:balance;overflow-wrap:break-word;margin:16px 0 24px;font-size:clamp(34px,4.8vw,64px);line-height:1.1}.guide-lead{color:var(--muted);font-size:clamp(18px,2vw,21px);line-height:1.7}.guide-byline{color:var(--muted);margin-top:24px;font-size:13px;line-height:1.6}.guide-byline a{text-underline-offset:3px;text-decoration:underline}.guide-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.guide-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;flex-direction:column;padding:28px;transition:border-color .15s;display:flex}.guide-card:hover{border-color:var(--accent)}.guide-card h3{letter-spacing:-.02em;text-wrap:balance;margin:0 0 16px;font-size:22px;line-height:1.35}.guide-card p{color:var(--muted);margin:0 0 20px;font-size:16px;line-height:1.65}.guide-link{min-height:44px;color:var(--accent);align-items:center;gap:12px;margin-top:auto;font-weight:650;display:inline-flex}.guide-columns{grid-template-columns:minmax(180px,260px) minmax(0,720px);align-items:start;gap:clamp(32px,6vw,96px);display:grid}.guide-contents{border-top:1px solid var(--line);padding-top:20px;position:sticky;top:110px}.guide-contents h2{margin:0 0 16px;font-size:16px;line-height:1.5}.guide-contents ol{margin:0;padding:0;list-style:none}.guide-contents a{min-height:44px;color:var(--muted);padding:10px 0;font-size:14px;line-height:1.6;display:block}.guide-contents a:hover{color:var(--ink);text-decoration:underline}.guide-body{font-size:18px;line-height:1.8}.guide-body section+section{margin-top:48px}.guide-body h2,.guide-callout h2,.guide-related h2{letter-spacing:-.02em;text-wrap:balance;font-size:clamp(23px,2.6vw,30px);line-height:1.3}.guide-body h2{margin:0 0 20px}.guide-body p,.guide-body li{color:var(--muted)}.guide-body p{margin:0 0 20px}.guide-body ul{padding-left:24px}.guide-body li{margin-block:12px;padding-left:6px}.guide-callout{border-top:1px solid var(--line);max-width:720px;margin-top:48px;padding-top:28px}.guide-callout p{color:var(--muted);font-size:18px;line-height:1.7}.guide-related{border-top:1px solid var(--line);margin-top:80px;padding-top:32px}.guide-related .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-home h2{letter-spacing:-.03em;font-size:clamp(32px,4vw,48px);line-height:1.15}.guide-home>p{max-width:650px;color:var(--muted);margin-bottom:32px;font-size:18px;line-height:1.7}@media (width<=850px){.guide-grid{grid-template-columns:1fr}.guide-columns{grid-template-columns:1fr;gap:40px}.guide-contents{position:static}.guide-main{padding-top:32px}}@media (width<=580px){.guide-related .guide-grid{grid-template-columns:1fr}.guide-card{padding:24px}.guide-body{font-size:17px}.guide-heading{margin-bottom:32px}}@media (prefers-reduced-motion:reduce){.guide-card{transition:none}}.guide-sources{border-top:1px solid var(--line);margin-top:48px;padding-top:28px}.guide-sources a{color:var(--accent);text-underline-offset:4px;min-height:44px;text-decoration:underline;display:inline-block}.guide-visual{border:1px solid var(--line);background:linear-gradient(125deg, #c7a35c17, transparent 65%), var(--surface);border-radius:24px;margin:0 0 64px;padding:clamp(24px,4vw,44px);overflow:hidden}.visual-caption h2{letter-spacing:-.025em;text-wrap:balance;margin:14px 0 32px;font-size:clamp(24px,3vw,36px);line-height:1.2}.visual-steps,.choice-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:0;padding:0;list-style:none;display:grid}.guide-visual h3{margin:16px 0 8px;font-size:20px;line-height:1.3}.guide-visual p{color:var(--muted);margin:0;font-size:16px;line-height:1.6}.guide-visual figcaption{color:var(--muted);border-top:1px solid var(--line);max-width:760px;margin-top:28px;padding-top:20px;font-size:14px;line-height:1.65}.phrase-diagram{color:var(--accent)}.phrase-diagram svg{width:100%;max-width:230px;margin-top:8px;display:block}.step-number,.choice-index{font-variant-numeric:tabular-nums;letter-spacing:.1em;color:var(--accent);font-size:14px;font-weight:600}.reading-diagram{grid-template-columns:1fr 1fr;align-items:end;gap:48px;display:grid}.reading-diagram .diagram-label{margin-bottom:16px;font-size:14px}.score-example svg{width:100%;color:var(--accent);display:block}.diagram-keyboard{gap:3px;height:165px;display:flex;position:relative}.white-diagram-key{color:#262521;background:#e9e5de;border-radius:3px 3px 8px 8px;flex:1;justify-content:center;align-items:end;padding-bottom:16px;display:flex}.white-diagram-key.selected{background:var(--accent);color:#242119}.white-diagram-key b{font-size:17px}.black-diagram-key{top:0;left:calc(var(--key) * 100% / 7 - 4%);background:#24262a;border:1px solid #3b3e42;border-radius:0 0 5px 5px;width:8%;height:60%;position:absolute}.choice-root{text-align:center}.choice-root span{border:1px solid var(--accent);color:var(--accent);border-radius:40px;padding:13px 28px;font-size:16px;font-weight:600;display:inline-block}.choice-branches{grid-template-columns:1fr 1fr 1fr;height:48px;margin:0 16.666%;display:grid;position:relative}.choice-branches:before{content:"";border-left:1px solid var(--accent);opacity:.55;height:24px;position:absolute;top:0;left:50%}.choice-branches span{border-top:1px solid var(--accent);opacity:.55;width:50%;height:24px;position:absolute;bottom:0}.choice-branches span:first-child{border-left:1px solid var(--accent);border-top-left-radius:12px;left:0}.choice-branches span:nth-child(2){border-left:1px solid var(--accent);border-top:0;left:50%}.choice-branches span:last-child{border-right:1px solid var(--accent);border-top-right-radius:12px;right:0}.choice-grid{gap:20px}.choice-grid li{border-top:1px solid var(--line);padding-top:20px}.guide-body .section-references{font-size:14px;line-height:1.7}.section-references a{text-underline-offset:4px;min-height:44px;color:var(--accent);padding-block:8px;text-decoration:underline;display:inline-block}@media (width<=680px){.guide-visual{margin-bottom:40px}.visual-steps{grid-template-columns:1fr;gap:24px}.visual-steps li{grid-template-columns:78px minmax(0,1fr);align-items:start;column-gap:20px;display:grid}.phrase-diagram{grid-row:span 2}.visual-steps h3{margin-top:0}.phrase-diagram svg{margin-top:12px}.reading-diagram{grid-template-columns:1fr;gap:28px}.diagram-keyboard{height:140px}.choice-root{text-align:left;margin-bottom:24px}.choice-branches{display:none}.choice-grid{border-left:1px solid var(--line);grid-template-columns:1fr;gap:20px;margin-left:14px;padding-left:24px}.choice-grid li{border-top:0;padding-top:0;position:relative}.choice-grid li:before{content:"";border-top:1px solid var(--accent);width:15px;position:absolute;top:12px;left:-25px}.choice-grid h3{margin-top:8px}}