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

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: #333;
  line-height: 1.8;
  font-size: 16px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a1a;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  color: #555;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.nav a:hover {
  color: #1a1a1a;
}

/* Hero */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: #fff;
  text-align: center;
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.hero p {
  font-size: 18px;
  opacity: 0.85;
  line-height: 1.9;
}

/* Section */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #f8f9fa;
}

.section h2 {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.section-lead {
  text-align: center;
  color: #666;
  margin-bottom: 48px;
  font-size: 15px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 32px 28px;
}

.card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.card p {
  font-size: 15px;
  color: #555;
  line-height: 1.8;
}

/* Pricing */
.pricing-card {
  text-align: center;
}

.pricing-card h3 {
  margin-bottom: 16px;
}

.price {
  font-size: 36px;
  font-weight: 700;
  color: #0f3460;
  margin-bottom: 20px;
}

.price span {
  font-size: 16px;
  font-weight: 400;
  color: #666;
}

.pricing-card p {
  text-align: left;
}

/* Flow */
.flow {
  max-width: 640px;
  margin: 48px auto 0;
}

.flow-step {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid #e5e5e5;
}

.flow-step:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: #0f3460;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.step-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #1a1a1a;
}

.step-content p {
  font-size: 14px;
  color: #666;
}

/* Company Table */
.company-table {
  max-width: 640px;
  margin: 48px auto 0;
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid #e5e5e5;
  font-size: 15px;
}

.company-table th {
  width: 140px;
  color: #555;
  font-weight: 600;
}

/* Contact */
.contact-info {
  text-align: center;
  margin-top: 32px;
}

.contact-info a {
  display: inline-block;
  font-size: 20px;
  color: #0f3460;
  text-decoration: none;
  font-weight: 600;
  padding: 16px 48px;
  border: 2px solid #0f3460;
  border-radius: 8px;
  transition: all 0.2s;
}

.contact-info a:hover {
  background: #0f3460;
  color: #fff;
}

/* Footer */
.footer {
  padding: 32px 0;
  text-align: center;
  background: #1a1a1a;
  color: #999;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hero {
    padding: 120px 0 72px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .section h2 {
    font-size: 22px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .price {
    font-size: 28px;
  }

  .company-table th {
    width: 100px;
  }
}