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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", Roboto, sans-serif;
  line-height: 1.8;
  color: #111827;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.lp-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lp-header-logo {
  font-size: 18px;
  font-weight: 700;
  color: #09233e;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.lp-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #09233e;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s;
}

.lp-header-cta:hover {
  background: #0d2e52;
}

/* ── Hero ── */
.lp-hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: linear-gradient(168deg, #f0f5ff 0%, #fff 50%, #f9fafb 100%);
}

.lp-hero-inner {
  max-width: 680px;
  margin: 0 auto;
}

.lp-hero-badge {
  display: inline-block;
  background: #e0edff;
  color: #2563eb;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.lp-hero h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  color: #09233e;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.lp-hero h1 span {
  color: #2563eb;
}

.lp-hero-description {
  font-size: 17px;
  color: #4b5563;
  line-height: 1.9;
  margin-bottom: 40px;
}

.lp-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: transform 0.2s;
}

.lp-hero-cta:hover {
  transform: scale(1.04);
}

.lp-hero-cta img {
  height: 54px;
}

/* ── Features ── */
.lp-features {
  padding: 100px 24px;
  background: #fff;
}

.lp-features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.lp-section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: #2563eb;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.lp-section-title {
  font-size: 32px;
  font-weight: 800;
  color: #09233e;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.lp-section-subtitle {
  font-size: 16px;
  color: #6b7280;
  max-width: 560px;
  margin-bottom: 60px;
}

.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.lp-feature-card {
  background: #f9fafb;
  border: 1px solid #f3f4f6;
  border-radius: 16px;
  padding: 32px 28px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.lp-feature-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.lp-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.lp-feature-icon--blue {
  background: #e0edff;
}

.lp-feature-icon--green {
  background: #d1fae5;
}

.lp-feature-icon--amber {
  background: #fef3c7;
}

.lp-feature-icon--purple {
  background: #ede9fe;
}

.lp-feature-icon--rose {
  background: #ffe4e6;
}

.lp-feature-icon--cyan {
  background: #cffafe;
}

.lp-feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #09233e;
  margin-bottom: 10px;
}

.lp-feature-card p {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.7;
}

/* ── CTA ── */
.lp-cta {
  padding: 80px 24px;
  text-align: center;
  background: linear-gradient(180deg, #fff 0%, #f0f5ff 100%);
}

.lp-cta-inner {
  max-width: 560px;
  margin: 0 auto;
}

.lp-cta h2 {
  font-size: 28px;
  font-weight: 800;
  color: #09233e;
  margin-bottom: 12px;
}

.lp-cta p {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 32px;
}

.lp-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: transform 0.2s;
}

.lp-cta-link:hover {
  transform: scale(1.04);
}

.lp-cta-link img {
  height: 54px;
}

/* ── Footer ── */
.lp-footer {
  padding: 40px 24px;
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
}

.lp-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lp-footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.lp-footer-links a {
  font-size: 13px;
  color: #6b7280;
  text-decoration: none;
  transition: color 0.15s;
}

.lp-footer-links a:hover {
  color: #111827;
}

.lp-footer-copy {
  font-size: 12px;
  color: #9ca3af;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .lp-hero {
    padding: 120px 20px 60px;
  }

  .lp-hero h1 {
    font-size: 30px;
  }

  .lp-hero-description {
    font-size: 15px;
  }

  .lp-features {
    padding: 60px 20px;
  }

  .lp-section-title {
    font-size: 24px;
  }

  .lp-features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .lp-feature-card {
    padding: 24px 20px;
  }

  .lp-cta {
    padding: 60px 20px;
  }

  .lp-cta h2 {
    font-size: 22px;
  }

  .lp-footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}