:root {
  --orange: #F97316;
  --orange-dark: #EA580C;
  --orange-soft: #FFF1E7;
  --cream: #FEFDF8;
  --card: #FFFFFF;
  --text: #1F1A17;
  --muted: #706863;
  --border: #EDE7E1;
  --shadow: 0 18px 50px rgba(77, 52, 36, 0.08);
  --radius: 24px;
  --max: 920px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--orange-dark); }
a:hover { color: var(--orange); }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(254,253,248,.90);
  border-bottom: 1px solid rgba(237,231,225,.9);
}
.nav {
  width: min(calc(100% - 36px), 1080px);
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 850;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 650;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); }

main {
  width: min(calc(100% - 36px), var(--max));
  margin: 0 auto;
}
.hero {
  text-align: center;
  padding: 84px 0 52px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--orange-soft);
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
}
.hero h1 {
  max-width: 760px;
  margin: 20px auto 16px;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.hero p {
  max-width: 660px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(17px, 2.3vw, 20px);
}
.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 14px;
  background: var(--orange);
  color: white;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(249,115,22,.22);
}
.button:hover { background: var(--orange-dark); color: white; }
.button.secondary {
  background: white;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
.button.secondary:hover { border-color: #d8cec6; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 80px;
}
.feature-card, .content-card, .support-card, .danger-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.feature-card {
  padding: 25px;
}
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--orange-soft);
  color: var(--orange-dark);
  font-size: 20px;
  margin-bottom: 15px;
}
.feature-card h2 {
  font-size: 18px;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding: 64px 0 26px;
}
.page-hero h1 {
  margin: 12px 0 10px;
  font-size: clamp(38px, 6vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.045em;
}
.page-hero p {
  color: var(--muted);
  max-width: 700px;
  margin: 0;
}
.meta {
  color: var(--muted);
  font-size: 13px;
  margin-top: 10px;
}

.content-card {
  padding: clamp(24px, 4vw, 46px);
  margin: 20px 0 70px;
}
.content-card h2 {
  margin: 34px 0 10px;
  font-size: 22px;
  letter-spacing: -0.025em;
}
.content-card h2:first-child { margin-top: 0; }
.content-card h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}
.content-card p, .content-card li { color: #49423e; }
.content-card ul { padding-left: 23px; }
.content-card li + li { margin-top: 6px; }
.notice {
  margin: 20px 0;
  padding: 17px 19px;
  border-radius: 16px;
  background: var(--orange-soft);
  border: 1px solid #FED7AA;
  color: #7C2D12;
}
.notice strong { color: #5D2510; }

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0 70px;
}
.support-card {
  padding: 26px;
}
.support-card h2 {
  margin: 0 0 7px;
  font-size: 20px;
}
.support-card p { color: var(--muted); margin: 0 0 17px; }

.danger-card {
  padding: 30px;
  border-color: #FED7AA;
  margin: 20px 0 70px;
}
.steps {
  counter-reset: steps;
  list-style: none;
  padding: 0;
}
.steps li {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  margin: 17px 0;
}
.steps li::before {
  content: counter(steps);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  font-weight: 850;
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 20px;
}
.footer-inner {
  width: min(calc(100% - 36px), 1080px);
  margin: 0 auto;
  min-height: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 13px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text); }

.not-found {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.not-found img {
  width: 120px;
  margin-bottom: 10px;
}

@media (max-width: 760px) {
  .nav { min-height: 62px; }
  .nav-links { gap: 12px; font-size: 13px; }
  .nav-links .hide-mobile { display: none; }
  .hero { padding-top: 62px; }
  .grid, .support-grid { grid-template-columns: 1fr; }
  .footer-inner {
    padding: 24px 0;
    align-items: flex-start;
    flex-direction: column;
  }
}