/* フッター */
footer {
  background-color: #222;
  color: #fff;
  padding: 60px 0 30px;
  width: 100vw; /* ビューポート幅いっぱいに表示 */
  margin-left: calc(-50vw + 50%); /* 中央揃えの状態から左端まで拡張 */
  margin-right: calc(-50vw + 50%); /* 中央揃えの状態から右端まで拡張 */
  margin-bottom: 0;
  position: relative; /* 位置コンテキストを確立 */
  left: 0; /* 左端に配置 */
  right: 0; /* 右端に配置 */
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 50px;
}

.footer-logo {
  width: 250px;
}

.footer-logo img {
  margin-bottom: 20px;
}

.footer-logo p {
  font-size: 14px;
  line-height: 1.6;
  color: #aaa;
}

.footer-nav {
  display: flex;
}

.footer-nav-group {
  width: 200px;
  margin-left: 30px;
}

.footer-nav-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-nav-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: #E17A42;
}

.footer-nav-list {
  list-style: none;
}

.footer-nav-list li {
  margin-bottom: 10px;
}

.footer-nav-list li a {
  color: #aaa;
  font-size: 14px;
  transition: all 0.3s ease;
}

.footer-nav-list li a:hover {
  color: #E17A42;
  padding-left: 5px;
}

.footer-address {
  width: 300px;
}

.footer-address h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-address h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: #E17A42;
}

.footer-address p {
  font-size: 14px;
  line-height: 1.8;
  color: #aaa;
  margin-bottom: 15px;
}

.footer-address .phone {
  display: flex;
  align-items: center;
  color: #fff;
  font-size: 18px;
  margin-bottom: 15px;
}

.footer-address .phone i {
  margin-right: 10px;
  color: #E17A42;
}

.footer-social {
  display: flex;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #333;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background-color: #E17A42;
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: #666;
}