.intro-hero {
  max-width: 860px;
  line-height: 1.8;
  color: #333;
  text-align: center;
  margin: 60px auto;
  padding: 20px 40px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.intro-hero h1 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.intro-hero .lead {
  font-size: 1.1rem;
  color: #555;
  margin-bottom: 40px;
}

.entry-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 38px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s ease;
}

.btn.primary {
  background: #1f3c88;
  color: #fff;
}

.btn.primary:hover {
  background: #162d66;
}

.btn.secondary {
  background: #e8ecf7;
  color: #1f3c88;
}

.btn.secondary:hover {
  background: #d6def3;
}

.section-block {
  margin-bottom: 80px;
  padding: 0 20px;

  max-width: 860px;
  line-height: 1.8;
  color: #333;
  margin: 60px auto;
  padding: 20px 40px;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.section-block h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  border-left: 6px solid var(--color-primary);
  padding: 0 12px;
}

.section-block h3 {
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 1.1rem;
  color: #1f3c88;
}

.steps {
  padding-left: 30px;
  margin-bottom: 40px;
}

.steps li {
  margin-bottom: 5px;
}

.section-block ul {
  padding-left: 30px;
}

.section-block ul li {
  margin-bottom: 5px;
}

.more-link {
  margin: 30px 0;
}

.more-link a {
  text-decoration: none;
  color: #1f3c88;
  font-weight: bold;
}

.more-link a:hover {
  text-decoration: underline;
}

.message {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 50px 0;
  color: #1f3c88;
  text-align: center;
  text-indent: 0;
}

.faq dl {
  margin-top: 20px;
}

.faq dt {
  font-weight: bold;
  margin-top: 20px;
}

.faq dd {
  margin-left: 0;
  margin-top: 5px;
  color: #555;
}

/* モバイル対応 (max-width: 768px) */
@media screen and (max-width: 768px) {

  .intro-hero {
    padding: 15px 20px;
    margin: 20px 10px 0;
    line-height: 1.6;
  }

  .intro-hero h1 {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }

  .intro-hero .lead {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .entry-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .btn {
    padding: 12px 30px;
    font-size: 0.95rem;
  }

  .section-block {
    padding: 15px 20px;
    margin: 20px 10px;
    line-height: 1.6;
  }

  .section-block h2 {
    font-size: 1.2rem;
    padding: 0 8px;
    border-left-width: 4px;
  }

  .section-block h3 {
    font-size: 1rem;
    margin-top: 20px;
    margin-bottom: 8px;
  }

  .steps,
  .section-block ul {
    padding-left: 20px;
  }

  .steps li,
  .section-block ul li {
    margin-bottom: 4px;
  }

  .more-link {
    margin: 20px 0;
  }

  .more-link a {
    font-size: 0.95rem;
  }

  .message {
    font-size: 1.1rem;
    margin: 40px 10px;
  }

  .faq dt {
    font-size: 1rem;
    margin-top: 15px;
  }

  .faq dd {
    font-size: 0.95rem;
    margin-top: 4px;
  }
}