.site-footer {
  background-color: #b2b2b2;
  color: #000000;
  padding: 40px 20px;
  margin-top: 60px;
  font-family: 'Noto Sans JP', sans-serif;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-left {
  flex: 1;
}

.footer-logo {
  height: 40px;
  margin-bottom: 10px;
}

.footer-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

@media (min-width: 768px) {
  .footer-right {
    flex-direction: row;
  }
}

.footer-sns a {
  display: flex;
  gap: 20px;
  margin-right: 12px;
  color: #000000;
}

.footer-sns img {
  width: 28px;
  height: 28px;
}

.footer-buttons {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  text-align: center;
  font-weight: bold;
  border-radius: 4px;
  font-size: 14px;
  text-decoration: none;
}

.btn-primary {
  background-color: #000000;
  color: #fff;
}

.btn-primary:hover {
  background-color: #d7d7d7;
}

small {
  display: block;
  margin-top: 20px;
  font-size: 12px;
  color: #f1f1f1;
}