:root {
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --brand: #0ea5e9;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
  padding: 72px 0;
}

.tag {
  margin: 0;
  letter-spacing: .08em;
  opacity: .8;
}

h1 {
  margin: 8px 0 12px;
  font-size: 2.3rem;
}

.lead {
  margin: 0;
  opacity: .92;
}

main {
  padding-top: 22px;
  padding-bottom: 40px;
  display: grid;
  gap: 16px;
}

section {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}

h2 { margin-top: 0; }

.ecom-links {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.ecom-title {
  margin: 0 0 8px;
  font-weight: 700;
}

.ecom-links a {
  color: #0369a1;
  text-decoration: none;
}

.ecom-links a:hover {
  text-decoration: underline;
}

.info {
  margin: 0;
}
.info div {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}
.info dt { font-weight: 700; color: var(--muted); }
.info dd { margin: 0; }

.btn {
  display: inline-block;
  margin-top: 16px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 700;
}

.line-contact {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.line-title {
  margin: 0 0 10px;
  font-weight: 700;
}

.line-qr {
  width: 180px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.line-btn {
  display: inline-block;
  margin-top: 10px;
  background: #06c755;
  color: #fff;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
}

footer {
  text-align: center;
  color: #64748b;
  padding: 20px;
}