:root {
  --wine: #98304a;
  --wine-dark: #7a2640;
  --gold: #d9c7a3;
  --gold-soft: #f3ecdd;
  --ink: #2b2323;
  --muted: #6b6060;
  --bg: #fffdfa;
  --card: #ffffff;
  --line: #ece3d6;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
    "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
}

a { color: var(--wine); }

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--wine) 0%, var(--wine-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 72px 20px 64px;
}
.hero h1 {
  font-size: 44px;
  margin: 0 0 8px;
  letter-spacing: 0.02em;
}
.hero .tagline {
  font-size: 18px;
  margin: 0 0 28px;
  color: var(--gold);
}
.hero .lead {
  max-width: 560px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.92);
}
.badge {
  display: inline-block;
  margin-top: 24px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 14px;
}

/* Sections */
section { padding: 48px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }
h2 {
  font-size: 26px;
  color: var(--wine);
  margin: 0 0 20px;
}
h3 { font-size: 18px; margin: 0 0 6px; }
p { margin: 0 0 14px; }
.muted { color: var(--muted); }

/* Steps / feature cards */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 620px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}
.card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--wine-dark);
  font-weight: 700;
  margin-bottom: 10px;
}

ul.tips { margin: 0; padding-left: 1.2em; }
ul.tips li { margin: 6px 0; }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary { background: var(--wine); color: #fff; }
.btn-outline { border: 1px solid var(--gold); color: var(--wine-dark); background: var(--gold-soft); }

/* Legal pages */
.legal { padding: 48px 24px 64px; }
.legal h1 { color: var(--wine); font-size: 30px; margin: 0 0 4px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.legal h2 { font-size: 20px; margin-top: 32px; }
.legal ol, .legal ul { padding-left: 1.3em; }
.legal li { margin: 6px 0; }
.back { display: inline-block; margin-bottom: 20px; font-size: 14px; }

/* Footer */
footer {
  background: #201a1a;
  color: #cfc6c6;
  text-align: center;
  padding: 32px 20px;
  font-size: 14px;
}
footer a { color: var(--gold); }
footer .links { margin: 8px 0 16px; }
footer .links a { margin: 0 10px; }