body {
  font-size: 14px;
 }

 .fv .title-text {
  left: 1%;
  right: 0;
  top: -20%;
  bottom: 0;
  margin: auto;
  width: 100%;
 }

 .fv .sub-text {
  right: 0;
  left: 0;
  margin: auto;
  bottom: 10%;
  width: 50%;
 }

 .fv .logo {
  bottom: 6%;
  left: 4%;
  width: 80px;
 }


 form {
  width: 100%;
  margin: 0 auto;
 }


 /* ハンバーガーボタンを表示 */
 .hamburger {
  display: block;
  position: fixed;
  top: 20px;
  right: 20px;
  width: 30px;
  height: 24px;
  z-index: 1000;
  /* 一番上に */
  cursor: pointer;
 }

 .hamburger span {
  display: block;
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: #fff;
  transition: all .4s;
  transition: .3s;
  /* 右下方向に1pxずつ、ぼかし0.5pxの黒い影を追加 */
  filter: drop-shadow(1px 1px 0.5px rgba(0, 0, 0, 0.4));
 }

 .hamburger span:nth-child(1) {
  top: 0;
 }

 .hamburger span:nth-child(2) {
  top: 11px;
 }

 .hamburger span:nth-child(3) {
  top: 22px;
 }

 /* ボタンがアクティブ時の「×」アニメーション */
 .hamburger.is-active span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
 }

 .hamburger.is-active span:nth-child(2) {
  opacity: 0;
 }

 .hamburger.is-active span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
 }



 .header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: #000;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all .4s ease;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 10%;
 }

 .header-nav.is-active {
  opacity: 1;
  visibility: visible;
 }

 .header-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4vh;
  list-style: none;
  padding: 0;
  margin: 0;
 }

 .header-nav li {
  transform: translateX(-20px);
  transition: .5s ease-out;
  opacity: 0;
 }

 .header-nav.is-active li {
  transform: translateX(0);
  opacity: 1;
  transition-delay: calc(var(--i) * 0.05s);
 }


 .header-nav img {
  display: none;
 }

 .header-nav span:first-child {
  display: inline-block;
  font-size: 60px;
  line-height: 1;
 }

 .header-nav span:last-child {
  display: inline-block;
  font-size: 16px;
  margin-left: 5px;
 }



 .basic-wrap {
  padding: 60px;
 }



 .section-title img {
  height: 45px;
  margin-bottom: 15px;
 }

 .section-title span {
  font-size: 16px;
  padding-left: 10px;
 }



 .flex-box {
  width: 100%;
  margin-top: 60px;

 }


 .flex-box.reverse {
  flex-direction: row-reverse;
 }

 .title-1 {
  font-size: 26px;
  font-family: serif;
  letter-spacing: -3px;
 }



 .news-list {
  max-width: 100%;
  margin-top: 20px;
 }

 .news-item {
  padding: 20px 0;
 }

 .caption {
  font-size: 13px;
 }


 .author-img {
  height: 350px;
 }



 .archive-box {
  width: 90%;
 }




 /* ------------------------------
   デバイス切り替え
------------------------------ */

 .sp {
  display: none;
 }


 .pc {
  display: none;
 }


 .tab {
  display: block;
 }