:root {
  --bg: #f3f5f9;
  --primary: #3a57ff;
  --primary-dark: #2a3fc5;
  --accent: #0d1635;
  --text: #1f2533;
  --text-light: #f7f9ff;
  --muted: #52607b;
  --radius: 16px;
  --shadow: 0 25px 70px rgba(15, 35, 95, 0.12);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: #ffffff;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section h2 {
  font-size: clamp(2rem, 2.4vw + 1.2rem, 2.8rem);
  margin-bottom: 28px;
  font-weight: 700;
  line-height: 1.3;
}

.hero {
  padding: 120px 0 100px;
  background: radial-gradient(circle at top right, rgba(58, 87, 255, 0.2), transparent 45%),
    linear-gradient(135deg, #0d1635 0%, #162452 45%, #1f2f68 100%);
  color: var(--text-light);
}

.hero .eyebrow {
  display: inline-block;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.4rem, 3.4vw + 1rem, 3.8rem);
  margin: 0 0 20px;
  line-height: 1.25;
}

.hero-sub {
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 36px;
  color: rgba(247, 249, 255, 0.88);
}

.hero-sub span {
  font-weight: 700;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.btn.primary {
  background: var(--text-light);
  color: var(--accent);
  box-shadow: 0 18px 40px rgba(10, 20, 50, 0.24);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 60px rgba(10, 20, 50, 0.3);
}

.btn.large {
  min-width: 260px;
  font-size: 1.05rem;
  padding: 18px 28px;
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--text-light);
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  color: rgba(247, 249, 255, 0.9);
}

.hero-highlights li {
  padding-left: 28px;
  position: relative;
}

.hero-highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
}

.bg-light {
  background: var(--bg);
}

.bg-dark {
  background: #0f1a3a;
  color: var(--text-light);
}

.bg-dark h2 {
  color: #ffffff;
}

.grid.two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: start;
}

.grid.three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature-cards article {
  background: rgba(15, 26, 58, 0.04);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(15, 26, 58, 0.08);
  box-shadow: 0 15px 40px rgba(15, 26, 58, 0.08);
}

.feature-cards h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.pain-points {
  background: #ffffff;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.pain-points .caption {
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.pain-points ul {
  margin: 16px 0 0;
  padding-left: 18px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.process-step {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.benefit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}

.benefit-list li {
  padding-left: 26px;
  position: relative;
}

.benefit-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
}

.benefit-note {
  background: rgba(58, 87, 255, 0.08);
  border-left: 4px solid var(--primary);
  padding: 24px;
  border-radius: 12px;
}

.highlight {
  background: linear-gradient(160deg, rgba(58, 87, 255, 0.12), rgba(58, 87, 255, 0));
}

.offer-intro {
  color: var(--muted);
  text-align: center;
  margin-bottom: 24px;
}

.offer-box {
  padding: 32px;
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.offer-box h3 {
  margin-top: 0;
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.offer-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.offer-box strong {
  color: var(--primary);
}

.faq-list {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.faq-list article {
  border: 1px solid rgba(31, 37, 51, 0.1);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 18px 35px rgba(15, 26, 58, 0.08);
  background: #ffffff;
}

#apply .container {
  text-align: center;
}

.apply-text {
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 32px;
}

.apply-text span {
  font-weight: 600;
}

.apply-note {
  margin-top: 24px;
  color: rgba(247, 249, 255, 0.7);
}

.footer {
  background: #050b1f;
  color: rgba(255, 255, 255, 0.7);
  padding: 32px 0;
  text-align: center;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

@media (max-width: 720px) {
  .hero {
    padding: 100px 0 80px;
  }

  .section {
    padding: 64px 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn.primary,
  .btn.ghost {
    width: 100%;
    justify-content: center;
  }

  .offer-box {
    padding: 24px;
  }
}