:root {
  --guide-paper: #fffdf8;
  --guide-ink: #24211e;
  --guide-muted: #625b53;
  --guide-rule: #e8dfd3;
  --guide-green: #d96027;
  --guide-green-soft: #fff0d8;
  --guide-yellow: #ffca3f;
  --guide-warm: #fff5e5;
  --guide-teal: #15877b;
  --guide-coral: #f47d6c;
  --guide-width: min(1180px, calc(100vw - 48px));
}

.handbook-page { color: var(--guide-ink); background: var(--guide-paper); }
.handbook-page .site-header { min-height: 68px; background: rgba(255,253,248,.96); border-bottom-color: var(--guide-rule); }
.handbook-page .desktop-nav { gap: 2px; }
.handbook-page .desktop-nav a { padding: 9px 12px; border-radius: 3px; font-size: 11px; }
.handbook-page .desktop-nav a:hover { color: #a94619; background: var(--guide-green-soft); }
.handbook-search-button { display: inline-flex; align-items: center; text-decoration: none; }

.handbook-cover { width: var(--guide-width); display: grid; grid-template-columns: minmax(0,.9fr) minmax(420px,1.1fr); gap: 56px; align-items: center; margin: 0 auto; padding: 56px 0 64px; }
.breadcrumbs { display: flex; gap: 8px; align-items: center; color: #737a76; font-size: 10px; }
.breadcrumbs a { text-decoration: underline; text-underline-offset: 3px; }
.handbook-edition { display: flex; gap: 12px; align-items: center; margin: 38px 0 0; color: var(--guide-green); font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.handbook-edition span { display: grid; width: 26px; height: 26px; place-items: center; color: var(--guide-ink); background: var(--guide-yellow); border-radius: 4px; letter-spacing: 0; }
.handbook-cover h1 { margin: 18px 0 0; color: var(--guide-ink); font-weight: 750; line-height: 1.28; letter-spacing: -.045em; }
.handbook-cover h1 > span { display: block; font-size: clamp(35px,3.65vw,46px); }
.handbook-cover h1 > small { display: block; margin-top: 12px; font-size: clamp(23px,2.5vw,31px); font-weight: 720; letter-spacing: -.025em; }
.handbook-cover h1 em { color: var(--guide-ink); background: linear-gradient(transparent 66%,rgba(255,202,63,.8) 66%); box-decoration-break: clone; -webkit-box-decoration-break: clone; font-style: normal; }
.handbook-deck { max-width: 560px; margin: 22px 0 0; color: var(--guide-muted); font-size: 14px; line-height: 1.9; }
.handbook-cover-actions { display: flex; gap: 8px; margin-top: 30px; }
.handbook-cover-actions a,.handbook-cover-actions button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 20px; border-radius: 7px; font-size: 11px; font-weight: 800; }
.handbook-cover-actions a { color: #fff; background: var(--guide-green); }
.handbook-cover-actions button { color: var(--guide-green); background: transparent; border: 1px solid #9eaaa5; }
.handbook-facts { display: grid; grid-template-columns: repeat(3,1fr); margin: 38px 0 0; padding-top: 18px; border-top: 1px solid var(--guide-rule); }
.handbook-facts div + div { padding-left: 18px; border-left: 1px solid var(--guide-rule); }
.handbook-facts dt { color: #7b827e; font-size: 9px; font-weight: 800; }
.handbook-facts dd { margin: 5px 0 0; font-size: 11px; font-weight: 800; }
.handbook-cover-photo { margin: 0; }
.handbook-cover-photo img { width: 100%; aspect-ratio: 3/2; display: block; object-fit: cover; border-radius: 9px 9px 3px 3px; }
.handbook-cover-photo figcaption { display: flex; gap: 15px; padding-top: 10px; color: var(--guide-muted); border-top: 3px solid var(--guide-green); font-size: 10px; }
.handbook-cover-photo figcaption span { color: var(--guide-green); font-weight: 900; letter-spacing: .08em; }

.handbook-start { padding: 50px max(24px,calc((100vw - 1180px)/2)); color: var(--guide-ink); background: #fff1d8; border-top: 1px solid #f0dfc8; border-bottom: 1px solid #f0dfc8; }
.handbook-section-heading { display: grid; grid-template-columns: 160px 1fr; align-items: baseline; }
.handbook-section-heading p { margin: 0; color: var(--guide-green); font-size: 10px; font-weight: 900; letter-spacing: .08em; }
.handbook-section-heading h2 { margin: 0; color: var(--guide-ink); font-size: 27px; font-weight: 700; }
.start-paths { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 34px; background: transparent; border: 0; }
.start-paths a { min-height: 150px; display: flex; flex-direction: column; padding: 24px; background: #fff; border: 1px solid #eadbc8; border-radius: 9px; box-shadow: 0 5px 18px rgba(90,61,35,.06); transition: transform .2s,box-shadow .2s; }
.start-paths a:nth-child(1) { border-top: 5px solid #ed7a36; }
.start-paths a:nth-child(2) { border-top: 5px solid #42aa9c; }
.start-paths a:nth-child(3) { border-top: 5px solid #ef937d; }
.start-paths a:hover { transform: translateY(-2px); box-shadow: 0 9px 24px rgba(90,61,35,.1); }
.start-paths span { color: var(--guide-muted); font-size: 10px; }
.start-paths strong { margin-top: 12px; font-size: 16px; }
.start-paths small { margin-top: auto; color: var(--guide-green); font-size: 9px; font-weight: 800; }

.handbook-layout { width: var(--guide-width); display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 70px; align-items: start; margin: 0 auto; padding: 68px 0 88px; }
.handbook-toc { position: sticky; top: 94px; }
.handbook-toc > p { margin: 0 0 15px; color: var(--guide-green); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.handbook-toc nav { border-top: 1px solid var(--guide-rule); }
.handbook-toc nav a { display: grid; grid-template-columns: 25px 1fr; gap: 8px; padding: 11px 0; color: var(--guide-muted); border-bottom: 1px solid var(--guide-rule); font-size: 10px; font-weight: 700; }
.handbook-toc nav a:hover { color: var(--guide-green); }
.handbook-toc nav span { color: var(--guide-green); font-size: 8px; }
.toc-search { min-height: 40px; display: grid; place-items: center; margin-top: 18px; color: #fff; background: var(--guide-green); font-size: 10px; font-weight: 800; }
.handbook-article { min-width: 0; }
.reader-opening { margin: 0 0 66px 70px; padding: 4px 0 48px; border-bottom: 1px solid var(--guide-rule); }
.reader-opening-label { margin: 0; color: var(--guide-green); font-size: 9px; font-weight: 900; letter-spacing: .12em; }
.reader-opening h2 { max-width: 680px; margin: 9px 0 0; color: var(--guide-ink); font-size: 30px; font-weight: 750; letter-spacing: -.025em; }
.reader-opening-body { max-width: 790px; margin-top: 24px; }
.reader-opening-body p { margin: 0; color: var(--guide-muted); font-size: 14px; line-height: 1.95; }
.reader-opening-body p + p { margin-top: 14px; }
.experience-thread { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin: 30px 0 0; padding: 0; border-top: 2px solid var(--guide-ink); border-bottom: 1px solid var(--guide-rule); list-style: none; }
.experience-thread li { min-width: 0; display: flex; flex-direction: column; padding: 20px 18px; }
.experience-thread li + li { border-left: 1px solid var(--guide-rule); }
.experience-thread span { color: var(--guide-green); font-size: 9px; font-weight: 900; }
.experience-thread strong { margin-top: 9px; color: var(--guide-ink); font-size: 13px; line-height: 1.55; }
.experience-thread small { margin-top: 8px; color: var(--guide-muted); font-size: 9px; line-height: 1.7; }
.experience-method { display: block; margin-top: 13px; color: #747b77; font-size: 8px; line-height: 1.7; }
.handbook-chapter { scroll-margin-top: 88px; padding: 0 0 72px; }
.handbook-chapter + .handbook-chapter { padding-top: 58px; border-top: 1px solid var(--guide-rule); }
.chapter-header { display: grid; grid-template-columns: 70px 1fr; align-items: start; }
.chapter-header > span { width: 46px; height: 46px; display: grid; place-items: center; color: #513411; background: var(--guide-yellow); border-radius: 6px; font-size: 17px; font-weight: 900; line-height: 1; }
.chapter-header p { margin: 0 0 4px; color: var(--guide-green); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.chapter-header h2 { width: max-content; max-width: 100%; margin: 0; padding-bottom: 7px; color: var(--guide-ink); border-bottom: 3px solid #ffd66d; font-size: 30px; font-weight: 750; letter-spacing: -.025em; }
.chapter-lead { max-width: 780px; margin: 24px 0 0 70px; color: var(--guide-muted); font-size: 14px; line-height: 1.9; }

.handbook-table-wrap { margin: 34px 0 0 70px; overflow-x: auto; border-top: 2px solid var(--guide-ink); border-bottom: 1px solid var(--guide-ink); }
.handbook-table { width: 100%; min-width: 720px; border-collapse: collapse; text-align: left; }
.handbook-table th,.handbook-table td { padding: 15px 12px; border-bottom: 1px solid var(--guide-rule); font-size: 11px; }
.handbook-table thead th { color: #727975; background: #eeefeb; font-size: 9px; font-weight: 900; }
.handbook-table tbody th { color: var(--guide-ink); font-weight: 800; }
.handbook-table tr:last-child > * { border-bottom: 0; }
.handbook-table .is-recommended { background: #f0f6f4; }
.handbook-table .is-recommended th span { margin-left: 5px; padding: 3px 5px; color: var(--guide-green); background: var(--guide-green-soft); font-size: 8px; }
.race-choice-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin: 32px 0 0 70px; border: 1px solid var(--guide-rule); }
.race-choice-grid section { padding: 22px; }
.race-choice-grid section + section { border-left: 1px solid var(--guide-rule); }
.race-choice-grid section > span { color: var(--guide-green); font-size: 9px; font-weight: 900; }
.race-choice-grid h3 { margin: 8px 0 0; font-size: 15px; }
.race-choice-grid p { margin: 9px 0 0; color: var(--guide-muted); font-size: 10px; line-height: 1.75; }
.field-note { display: grid; grid-template-columns: 190px minmax(0,1fr); column-gap: 28px; margin: 28px 0 0 70px; padding: 23px 24px; background: #fff7e9; border-left: 4px solid #ed7a36; }
.field-note > p { margin: 0; color: var(--guide-green); font-size: 8px; font-weight: 900; letter-spacing: .12em; }
.field-note > h3 { grid-column: 1; margin: 7px 0 0; color: var(--guide-ink); font-size: 17px; line-height: 1.5; }
.field-note > div { grid-column: 2; grid-row: 1 / span 2; }
.field-note > div p { margin: 0; color: var(--guide-muted); font-size: 10px; line-height: 1.85; }
.field-note > div p + p { margin-top: 9px; }
.field-note.is-gentle { background: #edf7f4; border-left-color: #42aa9c; }
.gear-field-note { background: #fff4ed; border-left-color: #ef937d; }
.readiness-card { display: grid; grid-template-columns: 230px 1fr; gap: 28px; margin: 32px 0 0 70px; padding: 28px; color: var(--guide-ink); background: #fff0d8; border-radius: 10px; }
.readiness-copy > p { margin: 0; color: var(--guide-green); font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.readiness-copy h3 { margin: 8px 0 0; color: var(--guide-ink); font-size: 20px; }
.readiness-copy > span { display: block; margin-top: 8px; color: var(--guide-muted); font-size: 10px; line-height: 1.7; }
#guide-readiness-result { display: flex; flex-direction: column; margin-top: 32px; padding-top: 18px; border-top: 1px solid #e2cbaa; }
#guide-readiness-result strong { color: #c24f1c; font-size: 26px; }
#guide-readiness-result small { margin-top: 4px; color: var(--guide-muted); font-size: 9px; }
#guide-readiness-check { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0; padding: 0; background: transparent; border: 0; }
#guide-readiness-check label { min-height: 60px; display: flex; align-items: flex-start; gap: 9px; padding: 13px; color: var(--guide-ink); background: #fff; border: 1px solid #e5d7c6; border-radius: 8px; font-size: 10px; line-height: 1.6; cursor: pointer; }
#guide-readiness-check label:has(input:checked) { color: #173a35; background: #dff3ee; border-color: #8dcfc4; }
#guide-readiness-check input { flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--guide-green); }
.chapter-action { margin: 22px 0 0 70px; }
.chapter-action a { display: inline-flex; gap: 30px; align-items: center; padding-bottom: 3px; color: var(--guide-green); border-bottom: 1px solid var(--guide-green); font-size: 11px; font-weight: 800; }

.phase-list { display: grid; gap: 12px; margin: 36px 0 0 70px; padding: 0; background: transparent; border: 0; list-style: none; }
.phase-list li { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 26px; background: #fff; border: 1px solid var(--guide-rule); border-radius: 9px; }
.phase-week { display: flex; flex-direction: column; padding-right: 20px; border-right: 1px solid var(--guide-rule); }
.phase-week strong { color: var(--guide-green); font-size: 31px; font-weight: 400; }
.phase-week span { color: var(--guide-muted); font-size: 9px; }
.phase-list li > div:last-child > p { margin: 0; color: var(--guide-green); font-size: 8px; font-weight: 900; letter-spacing: .12em; }
.phase-list h3 { margin: 5px 0 0; font-size: 16px; }
.phase-list ul { display: grid; gap: 5px; margin: 11px 0 0; padding-left: 18px; color: var(--guide-muted); font-size: 10px; }
.phase-list small { display: block; margin-top: 13px; color: #8a5a37; font-size: 9px; }
.sample-week { margin: 28px 0 0 70px; padding: 25px; background: #fff5e5; border-radius: 9px; }
.sample-week > div:first-child { display: grid; grid-template-columns: 120px 1fr; align-items: baseline; }
.sample-week > div:first-child p { margin: 0; color: var(--guide-green); font-size: 8px; font-weight: 900; letter-spacing: .12em; }
.sample-week h3 { margin: 0; font-size: 17px; }
.sample-week > div:first-child span { grid-column: 2; margin-top: 5px; color: var(--guide-muted); font-size: 9px; }
.week-grid { display: grid; grid-template-columns: repeat(7,1fr); gap: 1px; margin-top: 20px; background: #cfd4ce; border: 1px solid #cfd4ce; }
.week-grid section { min-height: 82px; display: flex; flex-direction: column; gap: 10px; padding: 10px; background: #fff; }
.week-grid strong { color: var(--guide-green); font-size: 10px; }
.week-grid span { color: var(--guide-muted); font-size: 9px; line-height: 1.45; }
.medical-note { margin: 18px 0 0 70px; padding-left: 12px; color: var(--guide-muted); border-left: 3px solid #a4693d; font-size: 9px; }

.skill-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 34px 0 0 70px; border-top: 0; }
.skill-sections > section { display: grid; grid-template-columns: 1fr; gap: 16px; padding: 24px; background: #fff; border: 1px solid var(--guide-rule); border-radius: 9px; }
.skill-sections > section:nth-child(1) { background: #edf8ff; }
.skill-sections > section:nth-child(2) { background: #f1edff; }
.skill-sections > section:nth-child(3) { background: #fff2ec; }
.skill-sections > section:nth-child(4) { background: #f3f8df; }
.skill-name span { color: var(--guide-green); font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.skill-name h3 { margin: 8px 0 0; font-size: 16px; }
.skill-sections dl { display: grid; gap: 9px; margin: 0; }
.skill-sections dl div { display: grid; grid-template-columns: 75px 1fr; gap: 10px; }
.skill-sections dt { color: var(--guide-green); font-size: 9px; font-weight: 900; }
.skill-sections dd { margin: 0; color: var(--guide-muted); font-size: 10px; }

.gear-toolbar { display: grid; grid-template-columns: 1fr auto auto; gap: 18px; align-items: center; margin: 32px 0 0 70px; padding: 14px 0; border-top: 1px solid var(--guide-rule); border-bottom: 1px solid var(--guide-rule); }
.gear-toolbar p { margin: 0; color: var(--guide-muted); font-size: 9px; }
#gear-progress { color: var(--guide-muted); font-size: 10px; white-space: nowrap; }
#gear-progress strong { color: var(--guide-green); font-size: 22px; }
#gear-progress[data-complete="true"] strong { color: #347b29; }
.gear-toolbar button { min-height: 36px; padding: 0 14px; color: var(--guide-green); background: transparent; border: 1px solid var(--guide-green); font-size: 9px; font-weight: 800; }
.gear-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 22px 0 0 70px; background: transparent; border: 0; }
.gear-groups fieldset { display: grid; align-content: start; gap: 0; margin: 0; padding: 22px; background: #fff; border: 1px solid var(--guide-rule); border-radius: 15px; }
.gear-groups legend { width: 100%; margin-bottom: 10px; color: var(--guide-ink); font-size: 14px; font-weight: 800; }
.gear-groups legend span { margin-right: 10px; color: var(--guide-green); font-size: 9px; }
.gear-groups label { display: flex; gap: 9px; padding: 9px 0; color: var(--guide-muted); border-bottom: 1px dotted #d5d8d3; font-size: 10px; cursor: pointer; }
.gear-groups input { accent-color: var(--guide-green); }

.number-checklist { display: grid; grid-template-columns: 1fr 1fr; margin: 34px 0 0 70px; padding: 0; border-top: 2px solid var(--guide-ink); list-style: none; }
.number-checklist li { display: grid; grid-template-columns: 35px 1fr; gap: 10px; padding: 18px 12px 18px 0; border-bottom: 1px solid var(--guide-rule); }
.number-checklist li:nth-child(odd) { padding-right: 24px; border-right: 1px solid var(--guide-rule); }
.number-checklist li:nth-child(even) { padding-left: 24px; }
.number-checklist li > span { color: var(--guide-green); font-size: 9px; font-weight: 900; }
.number-checklist p { margin: 0; color: var(--guide-muted); font-size: 10px; line-height: 1.6; }
.number-checklist strong { display: block; margin-bottom: 3px; color: var(--guide-ink); font-size: 12px; }

.race-day-flow { margin: 34px 0 0 70px; border-top: 2px solid var(--guide-ink); }
.race-day-flow section { display: grid; grid-template-columns: 95px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--guide-rule); }
.race-day-flow time { color: var(--guide-green); font-size: 14px; font-weight: 800; }
.race-day-flow h3 { margin: 0; font-size: 15px; }
.race-day-flow p { margin: 7px 0 0; color: var(--guide-muted); font-size: 10px; line-height: 1.7; }
.race-day-flow .is-rule { padding-left: 16px; background: var(--guide-green-soft); }

.trouble-list { margin: 34px 0 0 70px; border-top: 2px solid var(--guide-ink); }
.trouble-list details { margin-top: 9px; padding: 0 16px; background: #fff; border: 1px solid var(--guide-rule); border-radius: 12px; }
.trouble-list summary { display: grid; grid-template-columns: 75px 1fr; gap: 12px; padding: 18px 0; font-size: 12px; font-weight: 800; cursor: pointer; }
.trouble-list summary span { color: var(--guide-green); font-size: 8px; letter-spacing: .1em; }
.trouble-list details > div { padding: 0 0 20px 87px; }
.trouble-list details p { margin: 0; color: var(--guide-muted); font-size: 10px; line-height: 1.75; }
.trouble-list details strong { display: block; margin-top: 8px; color: #8a4b23; font-size: 10px; }
.safety-statement { display: grid; grid-template-columns: 40px 1fr; gap: 16px; margin: 24px 0 0 70px; padding: 22px; color: #fff; background: #34302b; border-radius: 9px; }
.safety-statement > span { width: 32px; height: 32px; display: grid; place-items: center; color: #202725; background: var(--guide-yellow); border-radius: 50%; font-weight: 900; }
.safety-statement h3 { margin: 0; color: #fff; font-size: 15px; }
.safety-statement p { margin: 6px 0 0; color: #c5cbc8; font-size: 10px; }

.after-finish-flow { margin: 34px 0 0 70px; border-top: 2px solid var(--guide-ink); }
.after-finish-flow section { display: grid; grid-template-columns: 95px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--guide-rule); }
.after-finish-flow section > span { color: var(--guide-green); font-size: 11px; font-weight: 900; }
.after-finish-flow h3 { margin: 0; color: var(--guide-ink); font-size: 15px; }
.after-finish-flow p { margin: 7px 0 0; color: var(--guide-muted); font-size: 10px; line-height: 1.75; }
.closing-note { margin: 24px 0 0 70px; padding: 22px 24px; color: var(--guide-muted); background: #fff2dc; border-radius: 9px; font-size: 11px; line-height: 1.8; }
.closing-note strong { color: var(--guide-ink); }

.official-references { display: grid; grid-template-columns: 1fr minmax(340px,420px); gap: 38px; padding: 30px; background: #fff2dc; border-top: 4px solid var(--guide-green); border-radius: 0 0 9px 9px; }
.official-references div > p { margin: 0; color: var(--guide-green); font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.official-references h2 { margin: 7px 0 0; color: var(--guide-ink); font-size: 19px; }
.official-references div > span { display: block; margin-top: 9px; color: var(--guide-muted); font-size: 9px; line-height: 1.7; }
.official-references nav { display: grid; align-content: start; }
.official-references nav > strong { margin-top: 14px; padding-bottom: 5px; color: var(--guide-green); border-bottom: 2px solid #a9a0bd; font-size: 8px; letter-spacing: .1em; }
.official-references nav > strong:first-child { margin-top: 0; }
.official-references a { display: flex; justify-content: space-between; padding: 10px 0; color: var(--guide-ink); border-bottom: 1px solid #c8cdc6; font-size: 9px; font-weight: 800; }
.official-references a span { color: var(--guide-green); }
.handbook-footer { margin-top: 0; }
.handbook-mobile-nav { display: none; }

@media (max-width: 1020px) {
  .handbook-cover { grid-template-columns: 1fr 1fr; gap: 36px; }
  .handbook-layout { grid-template-columns: 150px minmax(0,1fr); gap: 38px; }
  .reader-opening,.chapter-lead,.handbook-table-wrap,.race-choice-grid,.field-note,.readiness-card,.chapter-action,.phase-list,.sample-week,.medical-note,.skill-sections,.gear-toolbar,.gear-groups,.number-checklist,.race-day-flow,.trouble-list,.safety-statement,.after-finish-flow,.closing-note { margin-left: 0; }
  .week-grid { grid-template-columns: repeat(4,1fr); }
}

@media (max-width: 760px) {
  .handbook-page { padding-bottom: 62px; }
  .handbook-page .site-header { position: relative; }
  .handbook-page .header-review-button { display: none; }
  .handbook-cover { width: calc(100vw - 28px); grid-template-columns: 1fr; gap: 0; padding: 16px 0 22px; }
  .handbook-edition { margin-top: 12px; }
  .handbook-cover h1 { margin-top: 12px; line-height: 1.3; }
  .handbook-cover h1 > span { font-size: 29px; }
  .handbook-cover h1 > small { margin-top: 7px; font-size: 18px; letter-spacing: -.035em; }
  .handbook-deck { margin-top: 10px; font-size: 13px; line-height: 1.65; }
  .handbook-cover-actions { margin-top: 12px; }
  .handbook-cover-actions > * { flex: 1; }
  .handbook-cover-actions button { display: none; }
  .handbook-facts { grid-template-columns: repeat(3,1fr); margin-top: 14px; padding-top: 10px; }
  .handbook-facts div + div { padding-left: 10px; }
  .handbook-facts dd { font-size: 10px; line-height: 1.45; }
  .handbook-cover-photo { display: none; }
  .handbook-start { padding: 30px 14px; }
  .handbook-section-heading { grid-template-columns: 1fr; gap: 7px; }
  .handbook-section-heading h2 { font-size: 23px; }
  .start-paths { grid-template-columns: 1fr; gap: 9px; margin-top: 20px; }
  .start-paths a { min-height: 96px; padding: 18px; }
  .start-paths strong { margin-top: 8px; }
  .handbook-layout { width: calc(100vw - 28px); display: block; padding: 36px 0 54px; }
  .handbook-toc { display: none; }
  .reader-opening { margin-bottom: 40px; padding-bottom: 30px; }
  .reader-opening h2 { font-size: 25px; }
  .reader-opening-body { margin-top: 14px; }
  .reader-opening-body p { font-size: 13px; line-height: 1.75; }
  .experience-thread { grid-template-columns: 1fr; margin-top: 18px; }
  .experience-thread li { padding: 14px 10px; }
  .experience-thread li + li { border-top: 1px solid var(--guide-rule); border-left: 0; }
  .handbook-chapter { padding-bottom: 40px; }
  .handbook-chapter + .handbook-chapter { padding-top: 34px; }
  .chapter-header { grid-template-columns: 45px 1fr; }
  .chapter-header > span { font-size: 26px; }
  .chapter-header h2 { font-size: 25px; }
  .chapter-lead { margin-top: 15px; font-size: 13px; line-height: 1.75; }
  .handbook-table-wrap { margin-top: 20px; }
  .race-choice-grid { grid-template-columns: 1fr; }
  .race-choice-grid section + section { border-top: 1px solid var(--guide-rule); border-left: 0; }
  .field-note { grid-template-columns: 1fr; margin-top: 20px; padding: 17px 14px; }
  .field-note > h3 { font-size: 16px; }
  .field-note > div { grid-column: 1; grid-row: auto; margin-top: 13px; }
  .readiness-card { grid-template-columns: 1fr; margin-top: 20px; padding: 18px 14px; }
  #guide-readiness-result { margin-top: 16px; }
  #guide-readiness-check { grid-template-columns: 1fr; }
  .phase-list { margin-top: 22px; }
  .phase-list li { grid-template-columns: 64px 1fr; gap: 13px; padding: 17px 12px; }
  .phase-week { padding-right: 12px; }
  .phase-week strong { font-size: 23px; }
  .sample-week { margin-top: 20px; padding: 16px 12px; }
  .sample-week > div:first-child { grid-template-columns: 1fr; }
  .sample-week > div:first-child span { grid-column: 1; }
  .week-grid { grid-template-columns: 1fr 1fr; }
  .skill-sections > section { grid-template-columns: 1fr; gap: 13px; padding: 18px 15px; }
  .skill-sections { grid-template-columns: 1fr; margin-top: 20px; }
  .gear-toolbar { grid-template-columns: 1fr auto; }
  .gear-toolbar p { grid-column: 1/-1; }
  .gear-toolbar { margin-top: 20px; }
  .gear-groups { grid-template-columns: 1fr; margin-top: 16px; }
  .gear-groups fieldset { padding: 18px 16px; }
  .number-checklist { grid-template-columns: 1fr; margin-top: 20px; }
  .number-checklist li { padding: 16px 0!important; border-right: 0!important; }
  .race-day-flow,.trouble-list,.after-finish-flow { margin-top: 20px; }
  .race-day-flow section { grid-template-columns: 64px 1fr; gap: 10px; padding: 18px 0; }
  .after-finish-flow section { grid-template-columns: 58px 1fr; gap: 12px; }
  .safety-statement { margin-top: 18px; padding: 18px 15px; }
  .closing-note { margin-top: 18px; padding: 16px 14px; }
  .trouble-list summary { grid-template-columns: 58px 1fr; }
  .trouble-list details > div { padding-left: 0; }
  .official-references { grid-template-columns: 1fr; gap: 22px; padding: 20px 14px; }
  .handbook-mobile-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; min-height: 58px; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(255,253,248,.97); border-top: 1px solid var(--guide-rule); }
  .handbook-mobile-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--guide-muted); font-size: 9px; font-weight: 800; }
  .handbook-mobile-nav span { color: var(--guide-green); font-size: 8px; }
}

@media print {
  .handbook-page { padding: 0; background: #fff; }
  .site-header,.handbook-cover-photo,.handbook-start,.handbook-toc,.handbook-cover-actions,.chapter-action,.handbook-footer,.handbook-mobile-nav { display: none!important; }
  .handbook-cover,.handbook-layout { width: 100%; display: block; padding: 20px 0; }
  .handbook-cover { border-bottom: 2px solid #000; }
  .handbook-cover h1 { font-size: 28px; }
  .handbook-chapter { break-inside: avoid; padding: 25px 0; }
  .handbook-chapter + .handbook-chapter { padding-top: 25px; }
  .reader-opening,.chapter-lead,.handbook-table-wrap,.race-choice-grid,.field-note,.readiness-card,.phase-list,.sample-week,.medical-note,.skill-sections,.gear-toolbar,.gear-groups,.number-checklist,.race-day-flow,.trouble-list,.safety-statement,.after-finish-flow,.closing-note { margin-left: 0; }
  .readiness-card,.safety-statement { color: #000; background: #eee; }
  .readiness-card *,.safety-statement * { color: #000!important; }
  .official-references { break-inside: avoid; }
}