:root {
  color-scheme: dark;
  --cocoa: #2d2030;
  --plum: #3e2e42;
  --plum-light: #514057;
  --cream: #fff1dc;
  --cream-soft: #ead9c7;
  --rose: #df8fa5;
  --rose-bright: #f2a8bc;
  --champagne: #f3d39a;
  --ink: #251b29;
  --line: rgba(255, 241, 220, 0.16);
  --muted: rgba(255, 241, 220, 0.68);
  --shadow: 0 24px 70px rgba(18, 10, 20, 0.28);
  --radius-lg: 28px;
  --radius-md: 18px;
  --page: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 8%, rgba(223, 143, 165, 0.15), transparent 34%),
    radial-gradient(circle at 88% 4%, rgba(243, 211, 154, 0.11), transparent 30%),
    var(--cocoa);
  color: var(--cream);
  font-family: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Monaco, Consolas, monospace;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--champagne);
  outline-offset: 4px;
}

.site-shell {
  width: min(calc(100% - 40px), var(--page));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(45, 32, 48, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  box-shadow: 0 8px 22px rgba(18, 10, 20, 0.32);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: rgba(255, 241, 220, 0.1);
  color: var(--cream);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 70px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 42px;
  border-radius: 999px;
  transform: rotate(26deg);
  opacity: 0.8;
}

.hero::before {
  top: 72px;
  right: 9%;
  background: var(--rose);
  box-shadow: 48px 40px 0 var(--champagne), -38px 72px 0 #9fc8ca;
}

.hero::after {
  left: 3%;
  bottom: 52px;
  background: var(--champagne);
  box-shadow: 42px -20px 0 var(--rose), 88px 16px 0 #9fc8ca;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--rose-bright);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  text-wrap: balance;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 6.3rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.page-hero h1 {
  font-size: clamp(2.7rem, 6vw, 5.4rem);
}

.hero-copy {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.en {
  display: block;
  margin-top: 8px;
  color: rgba(255, 241, 220, 0.52);
  font-size: 0.86em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--cream);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: transparent;
  background: var(--champagne);
  color: var(--ink);
}

.button-secondary {
  background: rgba(255, 241, 220, 0.08);
}

.app-card {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 241, 220, 0.18);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--plum-light), var(--plum));
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.app-card img {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  box-shadow: 0 16px 38px rgba(18, 10, 20, 0.35);
}

.app-card h2 {
  margin: 22px 0 2px;
  font-size: 1.7rem;
}

.app-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.sticker {
  position: absolute;
  right: -18px;
  top: -16px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--rose);
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  transform: rotate(8deg);
}

.section {
  padding: 36px 0 84px;
}

.section-heading {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 28px;
  margin-bottom: 30px;
  align-items: start;
}

.section-number {
  color: var(--champagne);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(62, 46, 66, 0.72);
}

.card-tag {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--champagne);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.card-link {
  display: inline-flex;
  margin-top: 22px;
  color: var(--rose-bright);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.card-link:hover {
  text-decoration: underline;
}

.notice {
  margin: 0 0 34px;
  padding: 24px 26px;
  border-left: 4px solid var(--champagne);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(243, 211, 154, 0.09);
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  font-size: 1.1rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 0.72fr);
  gap: 48px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 104px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(62, 46, 66, 0.48);
}

.toc p {
  margin: 0 0 12px;
  color: var(--champagne);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.toc a {
  display: block;
  padding: 7px 0;
  color: var(--muted);
  font-size: 0.76rem;
  text-decoration: none;
}

.toc a:hover {
  color: var(--cream);
}

.legal-content article {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 100px;
}

.legal-content article:first-child {
  padding-top: 0;
  border-top: 0;
}

.legal-content h2 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.legal-content p,
.legal-content li {
  color: var(--muted);
  font-size: 0.9rem;
}

.legal-content ul,
.legal-content ol {
  padding-left: 1.3rem;
}

.legal-content strong {
  color: var(--cream);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(62, 46, 66, 0.58);
}

summary {
  position: relative;
  padding: 20px 56px 20px 22px;
  cursor: pointer;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  color: var(--champagne);
  font-size: 1.3rem;
  transform: translateY(-50%);
}

details[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 0.86rem;
}

.faq-answer p {
  margin: 0;
}

.support-panel {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
  margin-bottom: 58px;
}

.support-panel .card {
  min-height: auto;
}

.meta-list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.meta-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

.site-footer {
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}

.footer-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.74rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--cream);
}

@media (max-width: 820px) {
  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
  }

  .nav-links {
    max-width: 58%;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-links a {
    min-height: 36px;
    padding: 0 10px;
  }

  .hero {
    padding-top: 70px;
  }

  .hero-grid,
  .support-panel,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .app-card {
    max-width: 440px;
    transform: none;
  }

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

  .section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 560px) {
  .site-shell {
    width: min(calc(100% - 28px), var(--page));
  }

  .site-header {
    position: static;
  }

  .nav {
    display: block;
  }

  .nav-links {
    max-width: none;
    margin-top: 12px;
    justify-content: flex-start;
  }

  .nav-links a {
    padding: 0 8px;
    font-size: 0.7rem;
  }

  .hero {
    padding: 54px 0 46px;
  }

  h1 {
    font-size: clamp(2.5rem, 15vw, 4.2rem);
  }

  .hero::before,
  .hero::after {
    display: none;
  }

  .section {
    padding-bottom: 60px;
  }

  .footer-grid {
    display: block;
  }

  .footer-links {
    margin-top: 20px;
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}