*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #476B43;
  --accent-dark: #395636;
  --bg: #F6F2ED;
  --bg-card: #FDFCFB;
  --text: #1C1C1E;
  --text-sub: #6E6E73;
  --border: #E3DDD3;
  --radius: 14px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.nav-logo { font-size: 15px; font-weight: 600; color: var(--text); text-decoration: none; }
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a { font-size: 13px; color: var(--text-sub); }
.nav-links a:hover { color: var(--accent); text-decoration: none; }

.container { max-width: 720px; margin: 0 auto; padding: 0 24px; }

.hero {
  text-align: center;
  padding: 72px 24px 64px;
  background: var(--bg);
}
.app-icon {
  width: 96px; height: 96px;
  border-radius: 22px;
  overflow: hidden;
  margin: 0 auto 24px;
}
.app-icon img { width: 100%; height: 100%; display: block; }
.hero h1 { font-size: 30px; font-weight: 600; margin-bottom: 12px; }
.hero p { font-size: 15px; color: var(--text-sub); max-width: 400px; margin: 0 auto 32px; }

.store-btn {
  display: inline-block;
  line-height: 0;
}
.store-btn:hover { opacity: 0.85; }
.store-btn img { height: 48px; width: auto; }

.coming-soon {
  display: inline-block;
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.features { padding: 56px 24px; }
.features h2 { font-size: 22px; font-weight: 600; text-align: center; margin-bottom: 36px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; max-width: 720px; margin: 0 auto; }
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}
.feature-icon { width: 32px; height: 32px; margin-bottom: 14px; }
.feature-icon svg { width: 32px; height: 32px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

.cta {
  background: var(--bg);
  text-align: center;
  padding: 56px 24px;
}
.cta h2 { font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.cta p { font-size: 14px; color: var(--text-sub); margin-bottom: 28px; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 12px; color: var(--text-sub); }
.footer-links { display: flex; gap: 20px; list-style: none; }
.footer-links a { font-size: 12px; color: var(--text-sub); }
.footer-links a:hover { color: var(--accent); }

.page-header { padding: 48px 24px 32px; border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: 26px; font-weight: 600; margin-bottom: 4px; }
.page-header p { font-size: 13px; color: var(--text-sub); }

.page-body { padding: 40px 24px 80px; max-width: 720px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-q { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.faq-a { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

.section-title { font-size: 17px; font-weight: 600; margin: 36px 0 12px; }
.prose p { font-size: 14px; color: var(--text-sub); line-height: 1.8; margin-bottom: 12px; }
.prose ul { font-size: 14px; color: var(--text-sub); padding-left: 20px; margin-bottom: 12px; line-height: 1.8; }

.form-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-top: 40px;
  text-align: center;
}
.form-box h2 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.form-box p { font-size: 13px; color: var(--text-sub); margin-bottom: 20px; }
.form-link {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}
.form-link:hover { background: var(--accent-dark); text-decoration: none; }