:root {
  --ink: #14201d;
  --muted: #60706b;
  --mint: #18b58b;
  --gold: #f3b83f;
  --paper: #f5faf7;
  --line: rgba(20, 32, 29, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 5%, rgba(24, 181, 139, 0.14), transparent 30rem),
    radial-gradient(circle at 92% 30%, rgba(243, 184, 63, 0.12), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.nav {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.08rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(20, 32, 29, 0.14);
}

.navLinks,
.footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.navLinks a,
.backLink,
.footer a,
.textLink {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

.navLinks a:hover,
.backLink:hover,
.footer a:hover,
.textLink:hover {
  color: var(--mint);
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  padding-block: 50px 90px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.hero h1,
.legal h1 {
  margin: 0;
  font-size: clamp(3.1rem, 7.2vw, 6.4rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 42rem;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.badges span {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.coinStage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 470px;
}

.coinStage img {
  position: relative;
  z-index: 1;
  width: min(100%, 500px);
  height: auto;
  border-radius: 50%;
  filter: drop-shadow(0 34px 38px rgba(81, 55, 8, 0.27));
  transform: rotate(4deg);
}

.halo {
  position: absolute;
  width: min(90vw, 470px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 184, 63, 0.28), rgba(24, 181, 139, 0.07) 55%, transparent 72%);
  filter: blur(10px);
}

.features {
  padding-block: 90px 120px;
}

.sectionHeading {
  max-width: 720px;
  margin-bottom: 38px;
}

.sectionHeading h2,
.privacyInner h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.featureGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.featureGrid article {
  min-height: 238px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 50px rgba(20, 32, 29, 0.055);
}

.featureNo {
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.featureGrid h3 {
  margin: 26px 0 8px;
  font-size: 1.45rem;
}

.featureGrid p {
  margin: 0;
  color: var(--muted);
}

code {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(24, 181, 139, 0.09);
  color: #087759;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.88em;
}

.privacyPitch {
  background: linear-gradient(120deg, #133c32, #0c6e58);
  color: white;
}

.privacyInner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
  min-height: 390px;
  padding-block: 80px;
}

.privacyInner .eyebrow {
  color: #7ff0cb;
}

.privacyInner > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.77);
  font-size: 1.08rem;
}

.footer {
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: 0.9rem;
}

.legal {
  max-width: 830px;
  padding-block: 78px 110px;
}

.legal h1 {
  font-size: clamp(2.8rem, 7vw, 5.3rem);
}

.updated,
.legalLead {
  margin: 22px 0 54px;
  color: var(--muted);
}

.legalLead {
  max-width: 650px;
  font-size: 1.08rem;
}

.legal section {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.legal section h2 {
  margin: 0 0 13px;
  font-size: 1.35rem;
}

.legal section p,
.legal section li {
  color: var(--muted);
}

.legal ul {
  padding-left: 1.35rem;
}

.contactButton {
  display: inline-flex;
  margin-top: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--mint);
  color: white;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    min-height: 74px;
  }

  .navLinks {
    gap: 12px;
    font-size: 0.86rem;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 0;
    padding-block: 52px 64px;
  }

  .hero h1 {
    font-size: clamp(3rem, 14vw, 4.7rem);
  }

  .coinStage {
    min-height: 390px;
  }

  .coinStage img {
    width: min(92%, 390px);
  }

  .featureGrid,
  .privacyInner {
    grid-template-columns: 1fr;
  }

  .featureGrid article {
    min-height: auto;
  }

  .privacyInner {
    gap: 32px;
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

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