:root {
  color-scheme: light;
  --ink: #103e37;
  --muted: #4b6267;
  --green: #155d46;
  --mint: #e7f7ee;
  --line: #cdd9d7;
  --gutter: clamp(1.25rem, 6.7vw, 6.75rem);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 8rem; }
body { margin: 0; font-size: 1.125rem; line-height: 1.55; }
a { color: var(--green); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 6px; border-radius: 3px; }
img { display: block; max-width: 100%; }
p { margin: 0 0 1rem; color: var(--muted); }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.035em; }
.container { width: min(86rem, calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.skip-link { position: fixed; z-index: 10; left: 1rem; top: -5rem; padding: .75rem 1.25rem; background: var(--ink); color: #fff; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 5; background: #fff; }
.header-inner { min-height: 6.25rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: flex; align-items: center; gap: 1.1rem; color: var(--ink); text-decoration: none; white-space: nowrap; }
.brand span { font-size: 2.25rem; font-weight: 750; letter-spacing: -.035em; }
.brand img { width: 2.75rem; height: 4.125rem; object-fit: contain; }
nav { display: flex; align-items: center; gap: 3rem; }
nav a { font-size: 1.125rem; color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--green); text-decoration: underline; }
nav a[aria-current="page"] { color: var(--green); text-decoration: underline; font-weight: 600; }

.hero { display: grid; grid-template-columns: 58% 42%; align-items: center; min-height: 35rem; padding-block: 2rem 3rem; }
.hero-copy { position: relative; z-index: 1; }
h1 { font-size: clamp(3.3rem, 5.25vw, 5.25rem); font-weight: 750; letter-spacing: -.045em; }
.hero-description { max-width: 47rem; margin-top: 1.6rem; font-size: clamp(1.25rem, 1.85vw, 1.75rem); line-height: 1.45; }
.hero-actions { display: flex; align-items: center; gap: 2.5rem; margin-top: 2.5rem; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 4.25rem; padding: .9rem 3.5rem; border-radius: 3rem; background: var(--green); color: #fff; font-size: 1.35rem; font-weight: 600; text-decoration: none; }
.button:hover { background: #0d4c38; }
.text-link { font-size: 1.35rem; font-weight: 550; }
.hero-art { position: relative; min-height: 32.5rem; }
.hero-art::before { content: ""; position: absolute; inset: 2rem -1rem 0; border-radius: 48% 50% 46% 43%; background: var(--mint); transform: rotate(-12deg); }
.hero-art img { position: absolute; top: -7rem; left: 50%; width: 33rem; height: 49.5rem; max-width: none; object-fit: contain; transform: translateX(-50%); }

.about { padding-block: 2.5rem 4.5rem; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 5rem; padding: 0; margin: 0; list-style: none; }
.step-number { display: inline-flex; align-items: center; justify-content: center; width: 4.5rem; height: 4.5rem; border-radius: 50%; background: var(--mint); font-size: 1.85rem; font-weight: 700; margin-bottom: 1.2rem; }
.steps h2 { font-size: clamp(1.6rem, 2.1vw, 2.2rem); font-weight: 700; margin-bottom: .75rem; }
.steps p { font-size: 1.25rem; line-height: 1.5; }
.requirements { margin: 1.6rem 0 0; text-align: center; font-size: 1rem; }

.section { padding-block: 5.5rem; border-top: 1px solid var(--line); }
.gallery-title { font-size: clamp(2.25rem, 4.5vw, 4.25rem); font-weight: 750; letter-spacing: -.045em; }
.gallery-intro { margin: .45rem 0 0; font-size: clamp(1.25rem, 2.45vw, 2.25rem); line-height: 1.35; }
.mockup-notice { margin: .35rem 0 0; font-size: clamp(1rem, 1.55vw, 1.4rem); line-height: 1.4; }
.screenshot-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3rem; max-width: 76rem; margin: 1.75rem auto 0; }
.screenshot-gallery figure { width: 100%; max-width: 17.5rem; margin: 0; justify-self: center; }
.screenshot-image { display: grid; place-items: center; width: 100%; aspect-ratio: 9 / 19.5; padding: .3rem; border: 1px solid var(--line); border-radius: 1.4rem; background: #f3f5f7; }
.screenshot-image img { width: 100%; height: 100%; object-fit: contain; border-radius: 1.05rem; }
.screenshot-image:focus-visible { border-radius: 1.4rem; }
.screenshot-gallery figcaption { margin-top: 1.25rem; }
.screenshot-gallery h3 { font-size: clamp(1.5rem, 2.1vw, 1.8rem); font-weight: 700; }
.screenshot-gallery figcaption p { margin: .5rem 0 0; font-size: 1.25rem; line-height: 1.5; }
.support-layout, .privacy-layout { display: grid; grid-template-columns: 39% minmax(0, 1fr); gap: 6%; align-items: start; }
.section-title { font-size: clamp(3rem, 5.2vw, 5rem); font-weight: 750; letter-spacing: -.05em; }
.section-description { margin-top: 1.5rem; max-width: 27rem; font-size: 1.4rem; line-height: 1.5; }
.section-ghost { width: 21rem; height: 25rem; object-fit: contain; margin: -3rem 0 1rem; }
.contact-block { margin: 1.5rem 0 1rem; }
.contact-block h3 { font-size: 1.125rem; letter-spacing: 0; line-height: 1.5; }
.contact-block p { margin: .2rem 0 0; font-size: 1.25rem; overflow-wrap: anywhere; }
.contact-pending { color: var(--green); }
.support-note { max-width: 29rem; margin-top: 1rem; font-size: 1rem; line-height: 1.5; }
.faq { padding-top: 2rem; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: start; justify-content: space-between; gap: 1.5rem; padding: 1.75rem 0; font-size: clamp(1.25rem, 1.9vw, 1.75rem); font-weight: 650; line-height: 1.35; letter-spacing: -.025em; cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; display: flex; flex: 0 0 2rem; align-items: center; justify-content: center; width: 2rem; height: 2rem; border: 1px solid var(--ink); border-radius: 50%; font-size: 1.55rem; line-height: 1; font-weight: 400; }
details[open] summary::after { content: "−"; }
.answer { padding-bottom: 1rem; font-size: 1.125rem; line-height: 1.6; }
.answer p:last-child { margin-bottom: 0; }

.privacy-layout { grid-template-columns: 32% minmax(0, 1fr); gap: 8%; }
.privacy-page { border-top: 0; padding-top: 3rem; }
.policy-label { margin-bottom: 1rem; font-size: 1rem; font-weight: 600; color: var(--green); }
.policy-date { margin-top: 1.5rem; font-size: 1rem; }
.privacy-intro .section-ghost { width: 23rem; height: 31rem; margin-top: 0; }
.policy { max-width: 47rem; }
.policy-scope { margin-bottom: 2.5rem; }
.policy section { margin-bottom: 2.5rem; }
.policy h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); line-height: 1.25; margin-bottom: .85rem; font-weight: 700; }
.policy p { line-height: 1.65; }
strong { color: var(--ink); font-weight: 650; }
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.site-footer p { margin: 0; font-size: 1rem; }
.site-footer nav { gap: 2rem; }
.site-footer a { font-size: 1rem; }

@media (max-width: 1100px) {
  .hero { min-height: 30rem; }
  h1 { font-size: 4.5vw; }
  .hero-art { min-height: 28rem; }
  .hero-art::before { inset: 2rem .5rem 0; }
  .hero-art img { width: min(29rem, 120%); height: auto; top: -3rem; }
  .steps { gap: 2.5rem; }
  .hero-description { font-size: 1.3rem; }
  .hero-actions { gap: 1.5rem; }
  .button { padding-inline: 2rem; }
  .button, .text-link { font-size: 1.125rem; }
  .support-layout { grid-template-columns: 36% minmax(0, 1fr); gap: 7%; }
  .section-ghost { width: 17rem; height: 22rem; }
  .section-description { font-size: 1.25rem; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 6rem; }
  .header-inner { min-height: 5rem; gap: 1rem; }
  .brand { gap: .4rem; flex-shrink: 0; }
  .brand span { font-size: 1.35rem; }
  .brand img { width: 1.75rem; height: 2.625rem; }
  nav { gap: 1rem; }
  nav a { font-size: .9rem; }
  .hero { grid-template-columns: 1fr; padding-block: 1.5rem 0; }
  h1 { font-size: clamp(2.5rem, 7.4vw, 4rem); letter-spacing: -.045em; }
  .hero-description { font-size: 1.125rem; margin-top: 1.25rem; }
  .hero-actions { gap: 1.5rem; margin-top: 1.5rem; }
  .button { min-height: 3.25rem; padding: .7rem 1.6rem; }
  .hero-art { min-height: clamp(20rem, 98vw, 24rem); max-width: 25rem; width: 100%; margin: 2rem auto 0; }
  .hero-art img { top: -4.25rem; width: min(24rem, calc(100vw - 1.5rem)); height: auto; }
  .hero-art::before { inset: 1rem 1rem 1rem; }
  .about { padding-block: 2.5rem 3rem; }
  .steps { grid-template-columns: 1fr; gap: 1.75rem; }
  .steps li { position: relative; padding-left: 4.5rem; }
  .step-number { position: absolute; top: 0; left: 0; width: 3.25rem; height: 3.25rem; font-size: 1.35rem; }
  .steps h2 { font-size: 1.5rem; }
  .steps p { font-size: 1.125rem; margin-bottom: 0; }
  .requirements { text-align: left; line-height: 1.5; }
  .section { padding-block: 3rem; }
  .gallery-title { font-size: clamp(2.25rem, 6.5vw, 3rem); }
  .gallery-intro { margin-top: 1rem; }
  .mockup-notice { margin-top: .75rem; }
  .screenshot-gallery { grid-template-columns: 1fr; gap: 2.75rem; margin-top: 2rem; }
  .screenshot-gallery figure { max-width: 20rem; }
  .screenshot-gallery figcaption p { font-size: 1.125rem; }
  .support-layout, .privacy-layout { grid-template-columns: 1fr; gap: 2rem; }
  .section-title { font-size: 3.5rem; }
  .support-intro .section-ghost { display: none; }
  .section-description { max-width: none; }
  .support-note { max-width: none; }
  .faq { padding-top: 0; }
  summary { font-size: 1.25rem; padding-block: 1.4rem; }
  .privacy-intro .section-title br { display: none; }
  .privacy-intro .section-title { font-size: 3rem; }
  .privacy-intro .section-ghost { display: none; }
  .policy-scope { margin-bottom: 2rem; }
  .policy h2 { font-size: 1.6rem; }
  .policy section { margin-bottom: 2rem; }
  .site-footer { flex-direction: column; align-items: start; }
}

@media (max-width: 360px) {
  html { scroll-padding-top: 8rem; }
  .header-inner { flex-wrap: wrap; gap: .5rem; padding-block: .5rem; }
  .header-inner nav { width: 100%; justify-content: space-between; }
  nav { gap: .65rem; }
  .brand span { font-size: 1.15rem; }
  .hero-actions { gap: 1rem; }
  .button { padding-inline: 1.25rem; }
}

@media print {
  .site-header { position: static; }
  .hero-art, .section-ghost, .hero-actions, .skip-link { display: none; }
  .hero, .support-layout, .privacy-layout { display: block; }
  .section { padding-block: 1.5rem; }
  .hero { min-height: auto; }
  .answer { display: block; }
  h1, .section-title { font-size: 2rem; }
  a { color: inherit; }
}