* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: #0f0000;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "YuGothic", Meiryo, sans-serif;
  color: #fff;
}

.lp {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  overflow: hidden;
  background: #0f0000;
}

.section-image {
  display: block;
  width: 100%;
  height: auto;
}

.cta {
  padding: 24px 20px 28px;
  text-align: center;
  background: linear-gradient(180deg, #1b0303 0%, #0f0000 100%);
}

.cta-bottom {
  padding-top: 32px;
  padding-bottom: 36px;
}

.cta-button {
  display: block;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 18px 16px;
  border-radius: 6px;
  background: linear-gradient(180deg, #d6b06c 0%, #9a6630 100%);
  color: #fff;
  text-decoration: none;
  font-size: clamp(18px, 4.8vw, 28px);
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.cta-button:hover {
  opacity: 0.9;
}

.footer {
  padding: 32px 20px 40px;
  background: #120202;
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  margin-bottom: 28px;
}

.footer-nav a {
  color: #ddd;
  text-decoration: none;
  font-size: 13px;
  line-height: 1.6;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.age-note {
  margin: 0;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.8;
}

@media (max-width: 480px) {
  .cta {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-nav {
    gap: 8px 14px;
  }

  .footer-nav a {
    font-size: 12px;
  }

  .age-note {
    font-size: 14px;
  }
}