:root {
  color-scheme: dark;
  --background: #07111f;
  --surface: #0d1b2d;
  --surface-soft: #10233a;
  --border: rgba(180, 213, 232, 0.16);
  --text: #f2f7fa;
  --muted: #a9bbc8;
  --accent: #67e8c4;
  --accent-strong: #18c89a;
  --focus: #9af3d9;
  --max-width: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, rgba(31, 207, 160, 0.14), transparent 32rem),
    var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans",
    "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.85rem;
  border-radius: 0.45rem;
  background: var(--text);
  color: var(--background);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.page-shell,
.site-footer {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  border: 1px solid rgba(103, 232, 196, 0.45);
  border-radius: 0.65rem;
  background: linear-gradient(145deg, rgba(103, 232, 196, 0.16), rgba(24, 200, 154, 0.04));
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: -0.05em;
}

.brand-icon {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.62rem;
}

.page-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-nav a {
  text-underline-offset: 0.25rem;
}

.page-nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: none;
}

.hero {
  padding: 5.5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.25;
  text-wrap: balance;
}

h1 {
  max-width: 16ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, 5vw, 4.35rem);
  letter-spacing: -0.045em;
}

.lead {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.3vw, 1.35rem);
}

.language-links {
  display: flex;
  gap: 0.65rem;
  margin-top: 2rem;
}

.language-links a {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.language-links a:hover {
  border-color: rgba(103, 232, 196, 0.55);
  color: var(--accent);
}

.language-section {
  display: grid;
  grid-template-columns: minmax(9rem, 0.36fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding: 4.5rem 0;
  scroll-margin-top: 1rem;
}

.language-section + .language-section {
  border-top: 1px solid var(--border);
}

.language-label {
  position: sticky;
  top: 1.5rem;
  align-self: start;
}

.language-label h2 {
  margin-bottom: 0.35rem;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

.language-label p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.content-section + .content-section {
  margin-top: 3.5rem;
}

.content-section h3 {
  margin-bottom: 1.1rem;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
}

.content-section p {
  margin: 0 0 1rem;
}

.content-section ul {
  margin: 0;
  padding-left: 1.25rem;
}

.content-section li + li {
  margin-top: 0.55rem;
}

.info-card {
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(145deg, rgba(16, 35, 58, 0.9), rgba(13, 27, 45, 0.7));
}

.info-card p:last-child {
  margin-bottom: 0;
}

.support-guide-card {
  display: flex;
  gap: 2rem;
  align-items: flex-end;
  justify-content: space-between;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid rgba(103, 232, 196, 0.34);
  border-radius: 1.25rem;
  background:
    radial-gradient(circle at 100% 0, rgba(103, 232, 196, 0.13), transparent 20rem),
    linear-gradient(145deg, rgba(16, 35, 58, 0.95), rgba(13, 27, 45, 0.72));
}

.support-guide-card h3 {
  margin-bottom: 0.65rem;
}

.support-guide-card p:not(.eyebrow) {
  max-width: 36rem;
  margin-bottom: 0;
  color: var(--muted);
}

.support-guide-link {
  flex: 0 0 auto;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--background);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

.support-guide-link:hover {
  background: var(--focus);
}

.faq-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.faq-item {
  padding: 1.35rem 0;
  border-top: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border);
}

.faq-item dt {
  margin-bottom: 0.45rem;
  font-weight: 700;
}

.faq-item dd {
  margin: 0;
  color: var(--muted);
}

.permission-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.permission-table th,
.permission-table td {
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.permission-table th {
  width: 9rem;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.policy-contact {
  padding: 3.5rem 0 4.5rem;
  border-top: 1px solid var(--border);
}

.policy-contact h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.policy-contact p:not(.eyebrow) {
  max-width: 48rem;
  margin: 0 0 0.75rem;
}

.policy-contact a {
  color: var(--accent);
  text-underline-offset: 0.25rem;
}

.guide-shell {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.guide-hero {
  padding: clamp(4.5rem, 10vw, 7rem) 0 4rem;
  border-bottom: 1px solid var(--border);
}

.guide-hero h1 {
  max-width: 12ch;
}

.guide-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 2.25rem;
}

.guide-nav a {
  padding: 0.42rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
}

.guide-nav a:hover {
  border-color: rgba(103, 232, 196, 0.55);
  color: var(--accent);
}

.guide-callout {
  display: grid;
  grid-template-columns: minmax(9rem, 0.32fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  margin: 3rem 0 0;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid rgba(103, 232, 196, 0.28);
  border-radius: 1.25rem;
  background: rgba(24, 200, 154, 0.06);
}

.guide-callout h2 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

.guide-callout p {
  margin-top: 0;
}

.guide-callout > div p {
  margin-bottom: 0;
  color: var(--muted);
}

.guide-content {
  padding: 2rem 0 0;
}

.guide-step {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(17rem, 0.9fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 8rem) 0;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: 1rem;
}

.guide-step-reverse .guide-step-copy {
  order: 2;
}

.guide-step-reverse .guide-visual {
  order: 1;
}

.guide-step-number {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.guide-step h2,
.guide-help h2,
.guide-contact h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.035em;
}

.guide-step-copy > p:not(.guide-step-number, .guide-tip),
.guide-step-copy li,
.guide-help dd,
.guide-contact > p:not(.eyebrow) {
  color: var(--muted);
}

.guide-checks,
.guide-actions {
  margin: 1.4rem 0;
  padding-left: 1.35rem;
}

.guide-checks li + li,
.guide-actions li + li {
  margin-top: 0.5rem;
}

.guide-tip {
  margin: 1.5rem 0 0;
  padding: 1rem 1.1rem;
  border-left: 0.2rem solid var(--accent);
  background: rgba(16, 35, 58, 0.66);
  color: var(--muted);
}

.guide-tip strong {
  color: var(--text);
}

.guide-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--surface);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.24);
}

.guide-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.guide-visual figcaption {
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.76rem;
}

.guide-visual-phone {
  width: min(100%, 26rem);
  margin-inline: auto;
}

.guide-visual-wide {
  grid-column: 1 / -1;
}

.guide-controls {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.guide-controls > div {
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: rgba(16, 35, 58, 0.52);
}

.guide-controls h3 {
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-size: 1rem;
}

.guide-controls p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.guide-mini-flow {
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: linear-gradient(145deg, rgba(16, 35, 58, 0.9), rgba(13, 27, 45, 0.6));
}

.guide-mini-flow ol {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.guide-mini-flow li {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  color: var(--muted);
}

.guide-mini-flow li span {
  display: grid;
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(103, 232, 196, 0.42);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
}

.guide-help {
  padding: clamp(5rem, 10vw, 8rem) 0;
  border-bottom: 1px solid var(--border);
}

.guide-help .section-heading {
  margin-bottom: 2rem;
}

.guide-contact {
  margin: clamp(4rem, 10vw, 7rem) 0 2rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(103, 232, 196, 0.32);
  border-radius: 1.5rem;
  background:
    radial-gradient(circle at 90% 10%, rgba(103, 232, 196, 0.13), transparent 22rem),
    var(--surface);
}

.guide-contact a {
  color: var(--accent);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  text-underline-offset: 0.25rem;
}

.guide-disclosure {
  margin: 0 0 4rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.product-hero,
.product-section,
.privacy-band {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  min-height: calc(100vh - 5rem);
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.product-hero h1 {
  max-width: 10ch;
  font-size: clamp(2.75rem, 6vw, 5.35rem);
}

.product-tagline {
  margin: 0 0 1.5rem;
  color: var(--text);
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 650;
  line-height: 1.55;
}

.product-intro {
  max-width: 39rem;
  margin: 0 0 0.8rem;
  color: var(--muted);
}

.product-intro[lang="en"] {
  font-size: 0.92rem;
}

.app-store-badge-link {
  display: block;
  width: fit-content;
  margin-top: 1.25rem;
  margin-left: -1rem;
  padding: 1rem;
  line-height: 0;
}

.app-store-badge {
  display: block;
  width: min(10.75rem, 100%);
  height: auto;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 2rem;
}

.hero-facts span {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.product-hero-visual {
  position: relative;
  display: grid;
  min-height: 30rem;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 2rem;
  background:
    linear-gradient(rgba(103, 232, 196, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 232, 196, 0.04) 1px, transparent 1px),
    linear-gradient(145deg, rgba(16, 35, 58, 0.95), rgba(7, 17, 31, 0.8));
  background-size: 3rem 3rem, 3rem 3rem, auto;
}

.product-hero-visual img {
  position: relative;
  z-index: 1;
  width: min(58%, 15rem);
  height: auto;
  filter: drop-shadow(0 1.5rem 2.5rem rgba(0, 0, 0, 0.38));
}

.product-hero-visual p {
  position: absolute;
  right: 1.5rem;
  bottom: 1.2rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  line-height: 1.45;
  text-align: right;
  text-transform: uppercase;
}

.icon-halo {
  position: absolute;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  background: rgba(24, 200, 154, 0.18);
  filter: blur(3.5rem);
}

.product-section {
  padding: clamp(5rem, 10vw, 8rem) 0;
  border-bottom: 1px solid var(--border);
}

.comparison-section .section-heading {
  max-width: 52rem;
}

.image-comparison {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: clamp(1rem, 2.5vw, 2rem);
  background: var(--surface);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.24);
  isolation: isolate;
  touch-action: pan-y;
}

.image-comparison:not(.comparison-ready) .comparison-before,
.image-comparison:not(.comparison-ready) .comparison-divider,
.image-comparison:not(.comparison-ready) .comparison-label-before,
.image-comparison:not(.comparison-ready) .comparison-range {
  display: none;
}

.comparison-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-image-after {
  position: absolute;
  inset: 0;
}

.comparison-before {
  position: absolute;
  z-index: 1;
  inset: 0;
  overflow: hidden;
  clip-path: inset(0 calc(100% - var(--position)) 0 0);
}

.comparison-label {
  position: absolute;
  z-index: 3;
  bottom: 1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(7, 17, 31, 0.68);
  color: #fff;
  font-size: clamp(0.65rem, 1.5vw, 0.78rem);
  font-weight: 650;
  line-height: 1.35;
  backdrop-filter: blur(0.6rem);
}

.comparison-label-before {
  left: 1rem;
}

.comparison-label-after {
  right: 1rem;
}

.comparison-divider {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: var(--position);
  width: 0.16rem;
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(-50%);
  pointer-events: none;
}

.comparison-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: rgba(7, 17, 31, 0.82);
  color: #fff;
  font-size: 1.05rem;
  transform: translate(-50%, -50%);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(0.6rem);
}

.comparison-range {
  position: absolute;
  z-index: 5;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

.comparison-range:focus-visible {
  outline: 0;
}

.image-comparison:focus-within {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.25rem;
}

.comparison-note {
  max-width: 58rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.section-heading {
  max-width: 47rem;
  margin-bottom: 3rem;
}

.section-heading h2,
.privacy-band h2,
.discovery-section h2 {
  margin-bottom: 1.4rem;
  font-size: clamp(1.9rem, 3.75vw, 3.55rem);
  letter-spacing: -0.04em;
}

.section-heading > p:not(.eyebrow),
.discovery-section > div:last-child,
.privacy-band > div:last-child {
  color: var(--muted);
}

.section-heading > p,
.discovery-section p,
.privacy-band p {
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.step-grid,
.use-grid,
.facts-grid {
  display: grid;
  gap: 1rem;
}

.step-grid {
  grid-template-columns: repeat(3, 1fr);
}

.feature-card,
.use-card,
.fact-card {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(16, 35, 58, 0.78), rgba(13, 27, 45, 0.5));
}

.feature-card {
  min-height: 20rem;
  padding: 1.5rem;
  border-radius: 1.25rem;
}

.card-number {
  display: block;
  margin-bottom: 4.5rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.feature-card h3,
.use-card h3 {
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

.feature-card p,
.use-card p {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.feature-card p[lang="en"] {
  font-size: 0.8rem;
}

.use-section {
  width: 100%;
  max-width: none;
  padding-inline: max(1.25rem, calc((100% - var(--max-width)) / 2));
  background: rgba(16, 35, 58, 0.35);
}

.use-grid {
  grid-template-columns: repeat(2, 1fr);
}

.use-layout {
  display: grid;
  grid-template-columns: minmax(15rem, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}

.portrait-example {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--surface);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.22);
}

.portrait-example img {
  display: block;
  width: 100%;
  height: auto;
}

.portrait-example figcaption {
  position: absolute;
  right: 0.8rem;
  bottom: 0.8rem;
  left: 0.8rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.8rem;
  background: rgba(7, 17, 31, 0.72);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.45;
  backdrop-filter: blur(0.65rem);
}

.portrait-example figcaption span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.68rem;
  font-weight: 500;
}

.education-card {
  grid-column: 1 / -1;
}

.use-card {
  padding: 1.35rem;
  border-radius: 1rem;
}

.use-note {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.controls-section,
.discovery-section,
.privacy-band {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.controls-section .section-heading {
  margin-bottom: 0;
}

.control-copy {
  align-self: end;
  color: var(--muted);
}

.control-copy p {
  margin: 0 0 1rem;
}

.control-copy .large-copy {
  color: var(--text);
  font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  line-height: 1.55;
}

.control-copy strong {
  color: var(--accent);
  font-weight: 650;
}

.discovery-section {
  align-items: end;
}

.facts-grid {
  grid-template-columns: repeat(2, 1fr);
}

.fact-card {
  display: flex;
  flex-direction: column;
  min-height: 10.5rem;
  padding: 1.2rem;
  border-radius: 1rem;
}

.fact-card span,
.fact-card small {
  color: var(--muted);
  font-size: 0.72rem;
}

.fact-card strong {
  margin: auto 0 0.15rem;
  color: var(--accent);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  line-height: 1.1;
}

.privacy-band {
  padding: clamp(5rem, 10vw, 8rem) 0;
}

.text-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 1.75rem;
}

.text-links a {
  color: var(--accent);
  text-underline-offset: 0.25rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0 3.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-underline-offset: 0.2rem;
}

.site-footer-with-credit {
  flex-wrap: wrap;
}

.apple-credit {
  flex: 1 0 100%;
  padding-top: 0.4rem;
  font-size: 0.68rem;
  line-height: 1.55;
}

@media (max-width: 44rem) {
  .site-header {
    align-items: flex-start;
    padding: 1rem 0;
  }

  .page-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.2rem 0.75rem;
    align-items: flex-end;
    max-width: 13rem;
    font-size: 0.78rem;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .language-section {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3.5rem 0;
  }

  .language-label {
    position: static;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .support-guide-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .guide-callout,
  .guide-step {
    grid-template-columns: 1fr;
  }

  .guide-step-reverse .guide-step-copy,
  .guide-step-reverse .guide-visual {
    order: initial;
  }

  .guide-step-reverse .guide-step-copy {
    order: 1;
  }

  .guide-step-reverse .guide-visual {
    order: 2;
  }

  .guide-visual-wide {
    grid-column: auto;
  }

  .permission-table,
  .permission-table tbody,
  .permission-table tr,
  .permission-table th,
  .permission-table td {
    display: block;
  }

  .permission-table tr {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .permission-table th,
  .permission-table td {
    width: auto;
    padding: 0;
    border: 0;
  }

  .permission-table td {
    margin-top: 0.25rem;
  }

  .site-footer {
    flex-direction: column;
  }

  .product-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 0 3rem;
  }

  .product-hero-visual {
    min-height: 23rem;
  }

  .step-grid,
  .facts-grid,
  .use-layout,
  .controls-section,
  .discovery-section,
  .privacy-band {
    grid-template-columns: 1fr;
  }

  .use-grid {
    grid-template-columns: 1fr;
  }

  .education-card {
    grid-column: auto;
  }

  .portrait-example {
    width: min(100%, 25rem);
    margin-inline: auto;
  }

  .feature-card {
    min-height: auto;
  }

  .card-number {
    margin-bottom: 3rem;
  }

  .controls-section,
  .discovery-section,
  .privacy-band {
    gap: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}