:root {
  --ink: #12243b;
  --muted: #5c6d7e;
  --line: rgba(18, 36, 59, 0.12);
  --blue: #176ed9;
  --teal: #17b9b0;
  --paper: #f6f9fc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 7%, rgba(23, 185, 176, 0.12), transparent 32rem),
    radial-gradient(circle at 12% 22%, rgba(23, 110, 217, 0.08), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.shell {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 11px;
  box-shadow: 0 7px 18px rgba(23, 110, 217, 0.2);
}

.navLinks,
.footer div {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.navLinks a:hover,
.footer a:hover { color: var(--blue); }

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 54px;
  align-items: center;
  padding-block: 46px 86px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 6vw, 76px);
  line-height: 1.12;
  letter-spacing: -0.055em;
  font-weight: 780;
}

.lead {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 28px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--muted);
  font-size: 13px;
}

.statusDot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(23, 185, 176, 0.13);
}

.heroVisual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 500px;
}

.heroVisual img {
  position: relative;
  width: min(440px, 100%);
  height: auto;
  border-radius: 24%;
  box-shadow: 0 44px 90px rgba(18, 65, 115, 0.24), 0 12px 28px rgba(18, 65, 115, 0.15);
  transform: rotate(2deg);
}

.halo {
  position: absolute;
  width: 410px;
  height: 410px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(23, 110, 217, 0.22), rgba(23, 185, 176, 0.19));
  filter: blur(44px);
}

.featureSection {
  padding-block: 110px;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 54px);
  line-height: 1.25;
  letter-spacing: -0.045em;
}

.featureGrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 54px;
}

.featureGrid article {
  min-height: 290px;
  padding: 30px;
  border: 1px solid rgba(18, 36, 59, 0.09);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 42px rgba(18, 65, 115, 0.06);
}

.featureNumber {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

h3 {
  margin: 68px 0 16px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.featureGrid p,
.privacyCallout > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.privacyCallout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: end;
  padding: 64px;
  border-radius: 32px;
  color: white;
  background: linear-gradient(135deg, #112c52 0%, #176ed9 55%, #13a9a8 120%);
  box-shadow: 0 26px 70px rgba(18, 65, 115, 0.2);
}

.privacyCallout .eyebrow { color: #77f2e7; }
.privacyCallout > p { color: rgba(255, 255, 255, 0.78); }

.footer {
  display: flex;
  justify-content: space-between;
  padding-block: 56px;
  color: var(--muted);
  font-size: 13px;
}

.legalPage {
  min-height: calc(100vh - 88px);
  max-width: 780px;
  padding-block: 70px 120px;
}

.legalPage h1 { font-size: clamp(40px, 6vw, 62px); }
.legalPage .updated { margin: 18px 0 48px; color: var(--muted); font-size: 14px; }
.legalPage section { margin-top: 46px; }
.legalPage h2 { font-size: 24px; letter-spacing: -0.02em; }
.legalPage p,
.legalPage li { color: var(--muted); line-height: 1.95; }
.legalPage ul { padding-left: 1.4em; }
.legalPage a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.backLink { display: inline-block; margin-bottom: 44px; color: var(--blue); font-weight: 650; }

.supportCards {
  display: grid;
  gap: 16px;
  margin-top: 42px;
}

.supportCards article {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
}

.supportCards h2 { font-size: 20px; }
.supportCards p { margin-bottom: 0; }

.errorPage {
  min-height: 100vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 32px;
}

.errorPage p { color: var(--muted); line-height: 1.8; }
.errorPage a { color: var(--blue); font-weight: 650; }

@media (max-width: 800px) {
  .shell { width: min(100% - 32px, 680px); }
  .navLinks { gap: 16px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-block: 64px 86px; }
  .heroVisual { min-height: auto; order: -1; }
  .heroVisual img { width: min(300px, 75vw); }
  .halo { width: 290px; height: 290px; }
  .featureGrid { grid-template-columns: 1fr; }
  .featureGrid article { min-height: 220px; }
  h3 { margin-top: 42px; }
  .privacyCallout { grid-template-columns: 1fr; gap: 30px; padding: 38px 28px; }
}

@media (max-width: 520px) {
  .brand span { display: none; }
  .nav { height: 74px; }
  h1 { font-size: 44px; }
  .lead { font-size: 16px; }
  .footer { flex-direction: column; gap: 22px; }
}