/* Hallmark · genre: playful · macrostructure: Long Document · theme: Plume · enrichment: none · nav: N1 · footer: Ft3 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 · contrast: pass (46–50) · slop: pass (51–60) · mobile: pass (36, 59, 61–69) */
:root {
  --font-body: "Source Sans 3", var(--cg-font-body);
  --font-mono: "Source Code Pro", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--color-canvas); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-base); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 0.2em; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.guide-bar { min-height: 4.75rem; padding: var(--space-sm) clamp(var(--space-md), 4vw, var(--space-2xl)); display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); border-block-end: var(--rule-thin) solid var(--color-rule); background: var(--color-surface); }
.guide-brand { min-height: 44px; display: inline-flex; align-items: baseline; gap: var(--space-sm); text-decoration: none; white-space: nowrap; }
.guide-brand strong { font-family: var(--font-display); font-size: var(--text-lg); }
.guide-brand span { color: var(--color-muted); font-size: var(--text-sm); }
.guide-bar nav { display: flex; gap: var(--space-lg); }
.guide-bar nav a { min-height: 44px; display: inline-flex; align-items: center; font-weight: 650; white-space: nowrap; }
.guide { width: min(100% - 2rem, 76rem); margin-inline: auto; padding-block: clamp(var(--space-2xl), 7vw, var(--space-4xl)); }
.guide__head { max-width: 58rem; padding-block-end: clamp(var(--space-xl), 5vw, var(--space-3xl)); border-block-end: var(--rule-thin) solid var(--color-rule-strong); }
.guide__head p:first-child { margin: 0 0 var(--space-md); color: var(--color-accent); font-weight: 700; }
.guide h1 { max-width: 15ch; margin: 0; font-family: var(--font-display); font-size: clamp(2.7rem, 7vw, 5.8rem); font-weight: 500; line-height: 0.96; letter-spacing: -0.045em; overflow-wrap: anywhere; }
.guide__head .answer { max-width: 47rem; margin: var(--space-xl) 0 0; color: var(--color-ink-soft); font-size: clamp(var(--text-md), 2vw, var(--text-lg)); }
.guide__body { display: grid; gap: clamp(var(--space-2xl), 6vw, var(--space-4xl)); padding-block-start: clamp(var(--space-2xl), 6vw, var(--space-4xl)); }
.guide__section { max-width: 48rem; }
.guide__section h2 { margin: 0 0 var(--space-md); font-family: var(--font-display); font-size: clamp(var(--text-xl), 4vw, var(--text-2xl)); font-weight: 600; line-height: 1.05; letter-spacing: -0.025em; }
.guide__section h3 { margin: var(--space-xl) 0 var(--space-xs); font-size: var(--text-md); }
.guide__section p, .guide__section li { color: var(--color-ink-soft); }
.guide__section ul, .guide__section ol { padding-inline-start: 1.25rem; }
.guide__section li + li { margin-block-start: var(--space-sm); }
.working-note { padding: var(--space-lg); border-inline-start: 4px solid var(--color-accent); background: var(--color-accent-soft); color: var(--color-ink); }
.working-note strong { display: block; margin-block-end: var(--space-xs); }
.source-list { list-style: none; padding: 0 !important; }
.source-list li { padding-block: var(--space-md); border-block-start: var(--rule-thin) solid var(--color-rule); }
.source-list a { color: var(--color-accent); font-weight: 700; }
.guide-cta { max-width: 58rem; padding: clamp(var(--space-xl), 5vw, var(--space-3xl)); display: grid; gap: var(--space-md); background: var(--color-ink); color: var(--color-surface); border-radius: var(--radius-large); }
.guide-cta h2 { margin: 0; font-family: var(--font-display); font-size: clamp(var(--text-xl), 4vw, var(--text-2xl)); line-height: 1.05; }
.guide-cta p { margin: 0; color: var(--color-canvas); }
.guide-cta a { width: max-content; min-height: 44px; padding: var(--space-sm) var(--space-md); display: inline-flex; align-items: center; border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-ink); font-weight: 700; text-decoration: none; white-space: nowrap; }
.guide-foot { padding: var(--space-xl) clamp(var(--space-md), 4vw, var(--space-2xl)); display: grid; gap: var(--space-md); border-block-start: var(--rule-thin) solid var(--color-rule); background: var(--color-surface); }
.guide-foot nav { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-xl); }
.guide-foot a { min-height: 44px; display: inline-flex; align-items: center; }
@media (max-width: 40rem) { .guide-bar { align-items: flex-start; } .guide-bar nav { display: grid; gap: 0; } .guide-brand span { display: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; } }