* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--tm-canvas);
  color: var(--tm-ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--tm-deep); text-underline-offset: 3px; }
p { margin: 0 0 16px; color: var(--tm-copy); }
p:last-child { margin-bottom: 0; }
strong { color: var(--tm-ink); }
.wrap { width: min(1120px, calc(100% - 40px)); margin: auto; }
.site-header { padding: 22px 0; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--tm-deep); font-size: 22px; font-weight: 760; letter-spacing: -.05em; text-decoration: none; }
.brand-logo { width: 32px; height: 32px; border-radius: 9px; }
.header-link { color: var(--tm-copy); font-size: 15px; font-weight: 650; text-decoration: none; }
.header-link:hover { color: var(--tm-deep); }
.skip-link { position: absolute; left: 20px; top: -100px; z-index: 30; padding: 12px 18px; background: var(--tm-white); }
.skip-link:focus { top: 12px; }
.tips-hero { max-width: 820px; padding: clamp(48px, 7vw, 88px) 0 48px; }
.overline { margin: 0 0 16px; color: var(--tm-deep); font-size: 14px; font-weight: 720; }
h1, h2, h3 { color: var(--tm-deep); }
h1 { margin: 0 0 26px; font-size: clamp(46px, 6.3vw, 76px); letter-spacing: -.065em; line-height: 1.02; }
h2 { margin: 0 0 20px; font-size: clamp(30px, 3.5vw, 42px); letter-spacing: -.055em; line-height: 1.12; }
h3 { margin: 0 0 12px; font-size: 23px; letter-spacing: -.025em; line-height: 1.25; }
.lead { max-width: 690px; font-size: clamp(20px, 2vw, 24px); line-height: 1.5; }
.hero-note { font-size: 16px; }
.section-nav { display: flex; flex-wrap: wrap; column-gap: 28px; row-gap: 4px; padding: 18px 0; border-block: 1px solid var(--tm-line); }
.section-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; font-weight: 650; }
.tip-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.35fr); gap: clamp(32px, 7vw, 100px); padding: 76px 0; border-bottom: 1px solid var(--tm-line); }
.section-intro p { max-width: 340px; }
.source-note { font-size: 14px; }
.tip-list { margin: 0; padding: 0; list-style: none; counter-reset: tip; }
.tip-list > li { position: relative; padding: 0 0 30px 40px; margin: 0 0 30px; border-bottom: 1px solid var(--tm-line); counter-increment: tip; }
.tip-list > li::before { content: counter(tip, decimal-leading-zero); position: absolute; left: 0; top: 1px; color: var(--tm-deep); font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tip-list > li:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.try-this { padding: 16px 18px; border-left: 2px solid var(--tm-primary); background: var(--tm-surface); font-size: 16px; }
.family-plan { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 48px; margin: 64px 0; padding: clamp(24px, 4vw, 48px); background: var(--tm-surface); border: 1px solid var(--tm-line); border-radius: 24px; }
.plan-list { margin: 0; }
.plan-list > div + div { border-top: 1px solid var(--tm-line); margin-top: 22px; padding-top: 22px; }
dt { font-weight: 700; color: var(--tm-deep); margin-bottom: 6px; }
dd { margin: 0; color: var(--tm-copy); }
.resources { max-width: 760px; padding: 0 0 76px; }
.resource-list { list-style: none; margin: 28px 0; padding: 0; }
.resource-list li { margin: 0 0 22px; }
.resource-list a { display: inline-block; padding: 5px 0; font-weight: 650; }
.resource-list span { display: block; color: var(--tm-copy); font-size: 15px; }
.guidance-note { font-size: 14px; }
.help-link { margin-top: 24px; }
footer { padding: 30px 0 44px; border-top: 1px solid var(--tm-line); color: var(--tm-copy); font-size: 14px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 700px) {
  .tip-section { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .section-intro p { max-width: none; }
  .family-plan { grid-template-columns: 1fr; gap: 28px; margin: 40px 0; }
  .section-nav { column-gap: 22px; }
  .tip-list > li { padding-left: 34px; }
}