.about-site-page {
  background: #f5fbf7;
  padding: 40px 20px 64px;
  color: #24352b;
}

.about-hero {
  text-align: center;
  margin-bottom: 36px;
}

.about-hero h1 {
  font-size: 36px;
  margin-bottom: 12px;
  color: #1f7a4d;
  letter-spacing: 0.08em;
}

.about-hero p {
  font-size: 16px;
  color: #5f7568;
}

.about-card-area {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(31, 122, 77, 0.12);
  border: 1px solid #dcefe4;
}

.about-icon {
  width: 78px;
  height: 78px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #dff5e8, #bde8cf);
  color: #1f7a4d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  font-weight: bold;
}

.about-card h2 {
  font-size: 20px;
  text-align: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid #9bd8b4;
  color: #1f5f3e;
}

.about-card p {
  line-height: 1.8;
  font-size: 15px;
}

.about-card ul {
  margin: 16px 0 0;
  padding-left: 20px;
}

.about-card li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.about-note {
  margin-top: 24px;
  padding: 16px;
  background: #eefaf2;
  border-radius: 12px;
  color: #2f7a50;
  font-size: 14px;
  line-height: 1.7;
}

.contact-box {
  margin-top: 20px;
  padding: 16px;
  background: #eefaf2;
  border-radius: 12px;
}

.contact-box span {
  display: inline-block;
  font-size: 13px;
  font-weight: bold;
  color: #1f7a4d;
  margin-bottom: 6px;
}

.contact-box p {
  margin: 0;
  color: #2f7a50;
  font-weight: bold;
}

.about-footer-note {
  max-width: 860px;
  margin: 28px auto 0;
  background: #fff;
  border-radius: 16px;
  padding: 20px 28px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(31, 122, 77, 0.1);
  border-left: 6px solid #36b58b;
}

.about-footer-note p {
  margin: 0;
  line-height: 1.8;
  color: #365c45;
}

/* スマホ対応 */
@media screen and (max-width: 900px) {
  .about-card-area {
    grid-template-columns: 1fr;
  }

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

  .about-card {
    padding: 28px 22px;
  }
}