.hero{border-bottom:1px solid var(--color-line);position:relative;overflow:clip}.hero-grid{min-height:min(720px, calc(100svh - var(--sf-header-h)));grid-template:"copy visual""points visual"/minmax(0,1fr) minmax(0,1.12fr);align-content:center;column-gap:clamp(32px,5vw,80px);padding-block:clamp(40px,6vw,88px);display:grid}.hero-copy{grid-area:copy;align-self:end}.hero-points{grid-area:points;align-self:start}.hero-visual{grid-area:visual;align-self:center}.hero-copy .eyebrow{margin:0}.hero-copy h1{letter-spacing:-.035em;margin:16px 0 22px;font-size:clamp(2.6rem,6vw,5.2rem);font-weight:800;line-height:1}.hero-lead{max-width:38ch;color:var(--color-ink-2);margin:0 0 34px;font-size:clamp(1.05rem,1.45vw,1.22rem);line-height:1.7}.hero-cta{flex-wrap:wrap;gap:12px;display:flex}.hero-btn{min-height:54px;padding-inline:1.6em;font-size:1rem}.hero-points{border-top:1px solid var(--color-line);grid-template-columns:repeat(3,minmax(0,max-content));gap:16px 36px;margin:44px 0 0;padding:22px 0 0;list-style:none;display:grid}.hero-points li{gap:2px;font-size:.88rem;display:grid}.hero-points b{letter-spacing:.01em;color:var(--color-muted);font-size:.78rem;font-weight:700}.hero-visual{grid-template-columns:minmax(0,1fr) 40px;gap:16px;display:grid;position:relative}.hero-stage{aspect-ratio:5/4.4;border-radius:var(--radius-sm);background:radial-gradient(120% 85% at 50% 100%,#e8e4db 0%,#f6f5f2 62%);place-items:center;display:grid;position:relative;overflow:hidden}.hero-mark{inset-inline:0;text-align:center;letter-spacing:-.05em;color:#11111109;-webkit-user-select:none;user-select:none;direction:ltr;font-size:clamp(4.5rem,13vw,11.5rem);font-weight:900;line-height:1;position:absolute;top:7%}.hero-stage img{z-index:1;mix-blend-mode:darken;width:94%;height:auto;animation:hero-rise .9s var(--ease) both;margin-top:8%;position:relative}html[data-a11y-contrast=dark] .hero-stage img{mix-blend-mode:normal}@keyframes hero-rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.hero-tag{z-index:2;top:18px;background:var(--color-paper);box-shadow:var(--shadow-1);border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:.8rem;font-weight:700;display:inline-flex;position:absolute;inset-inline-end:18px}.hero-tag svg{fill:none;width:16px;height:16px;stroke:var(--color-accent);stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.hero-scale{position:relative}.hero-ruler{--tick:var(--color-ink);opacity:.5;width:100%;height:100%}.hero-lift{inset-inline:0;border-inline-start:3px solid var(--color-accent);height:24%;animation:hero-lift 1.1s .3s var(--ease) both;transform-origin:bottom;background:linear-gradient(#c8401a05,#c8401a29);position:absolute;bottom:0}@keyframes hero-lift{0%{transform:scaleY(0)}to{transform:scaleY(1)}}@media (max-width:900px){.hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"copy""visual""points";row-gap:32px;min-height:0;padding-block:28px 40px}.hero-points{margin-top:0}.hero-lead{max-width:46ch;margin-bottom:26px}.hero-visual{grid-template-columns:minmax(0,1fr) 28px;gap:10px}}@media (max-width:560px){.hero-copy h1{margin:12px 0 16px}.hero-lead{font-size:1.02rem;line-height:1.65}.hero-cta .btn{flex:auto;padding-inline:1.1em}.hero-points{grid-template-columns:1fr 1fr}.hero-points li:last-child{grid-column:1/-1}.hero-tag{top:10px;font-size:.74rem;inset-inline-end:10px}}.assure{border-bottom:1px solid var(--color-line)}.assure ul{grid-template-columns:repeat(4,minmax(0,1fr));margin-block:0;padding-block:0;list-style:none;display:grid}.assure li{border-inline-start:1px solid var(--color-line);align-items:flex-start;gap:14px;padding:28px 24px;display:flex}.assure li:first-child{border-inline-start:0;padding-inline-start:0}.assure svg{fill:none;width:26px;height:26px;stroke:var(--color-ink);stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;flex:none;margin-top:2px}.assure b{font-size:.95rem;display:block}.assure p{color:var(--color-ink-2);margin:3px 0 0;font-size:.86rem}.assure-cancel svg{stroke:var(--color-accent-strong)}.assure-cancel .link-strong{color:var(--color-accent-strong);font-size:1rem}@media (max-width:1080px){.assure ul{grid-template-columns:repeat(2,minmax(0,1fr))}.assure li:nth-child(3){border-inline-start:0;padding-inline-start:0}.assure li:nth-child(n+3){border-top:1px solid var(--color-line)}}@media (max-width:600px){.assure ul{grid-template-columns:1fr}.assure li{border-inline-start:0;padding:20px 0}.assure li+li{border-top:1px solid var(--color-line)}}.anatomy{background:var(--color-surface);border-block:1px solid var(--color-line)}.anatomy-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:clamp(32px,5vw,80px);padding-block:clamp(56px,8vw,104px);display:grid}.anatomy-copy h2{letter-spacing:-.035em;margin:12px 0 16px;font-size:clamp(1.9rem,3.8vw,3rem);font-weight:800;line-height:1.05}.anatomy-lead{max-width:50ch;color:var(--color-ink-2);margin:0 0 28px}.anatomy-legend{counter-reset:part;border-top:1px solid var(--color-line-strong);gap:0;margin:0;padding:0;list-style:none;display:grid}.anatomy-legend li{counter-increment:part;border-bottom:1px solid var(--color-line-strong);grid-template-columns:34px 1fr;gap:2px 14px;padding-block:14px;display:grid}.anatomy-legend li:before{content:counter(part);border:1.5px solid var(--color-ink);border-radius:50%;grid-row:span 2;place-items:center;width:30px;height:30px;font-size:.85rem;font-weight:700;display:grid}.anatomy-legend b{font-size:.98rem}.anatomy-legend span{color:var(--color-ink-2);font-size:.9rem}.anatomy-note{color:var(--color-muted);margin:16px 0 0;font-size:.8rem}.anatomy-figure{background:var(--color-paper);border-radius:var(--radius-sm);margin:0;padding:clamp(16px,3vw,36px)}.shoe-svg{width:100%;height:auto;display:block}.shoe-ground{stroke:var(--color-line-strong);stroke-width:1.5px}.shoe-sole{fill:var(--color-ink)}.shoe-wedge{fill:var(--color-accent-soft);stroke:var(--color-accent);stroke-width:1.5px}.shoe-hatch{stroke:var(--color-accent);stroke-width:1.2px;opacity:.45}.shoe-insole{fill:none;stroke:var(--color-ink-2);stroke-width:3.5px;stroke-linecap:round}.shoe-upper{fill:none;stroke:var(--color-ink);stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round}.shoe-detail{fill:none;stroke:var(--color-muted);stroke-width:1.5px;stroke-linecap:round}.shoe-ruler line{stroke:var(--color-accent);stroke-width:2px}.shoe-marker circle{fill:var(--color-paper);stroke:var(--color-ink);stroke-width:1.5px}.shoe-marker text{fill:var(--color-ink);font:700 15px var(--font-sans);text-anchor:middle}.shoe-leader{stroke:var(--color-ink);stroke-width:1px;stroke-dasharray:3 3}@media (max-width:900px){.anatomy-grid{grid-template-columns:1fr}.anatomy-figure{order:-1}}.steps{border-top:1px solid var(--color-ink);grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;display:grid}.steps li{border-inline-start:1px solid var(--color-line);padding:24px 24px 8px}.steps li:first-child{border-inline-start:0;padding-inline-start:0}.step-no{letter-spacing:-.04em;color:var(--color-accent-strong);font-size:clamp(2.2rem,3.6vw,3rem);font-weight:300;line-height:1;display:block}.steps h3{margin:18px 0 8px;font-size:1.1rem;font-weight:800}.steps p{color:var(--color-ink-2);margin:0;font-size:.92rem}@media (max-width:1000px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.steps li:nth-child(3){border-inline-start:0;padding-inline-start:0}.steps li:nth-child(n+3){border-top:1px solid var(--color-line);margin-top:16px}}@media (max-width:600px){.steps{grid-template-columns:1fr}.steps li{border-inline-start:0;padding:22px 0 18px}.steps li+li{border-top:1px solid var(--color-line);margin-top:0}}.faq{padding-top:0}.faq-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:clamp(28px,5vw,80px);display:grid}.faq-title{letter-spacing:-.035em;margin:12px 0;font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;line-height:1.05}.faq-lead{color:var(--color-ink-2);margin:0 0 16px}@media (max-width:900px){.faq-grid{grid-template-columns:1fr}}