@charset "utf-8";

/*全体の設定*/
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;

}
ul {
  list-style: none;
}
.soudan {
  max-width: 980px;
  margin: auto;
  display: block;
  text-align: left;
  font-size: 20px;
  font-weight: bold;
  color: green;
  text-decoration: none;
}
.soudan-home {
  max-width: 980px;
  margin: auto;
  display: block;
  text-align: right;
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
}
/*メニューの中身*/
nav {
  background: #1b9aaa;
}
.gnav {
  margin-inline: auto;
  padding: 0.2em 0.5em;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gnav-logo {
  font-size: 2em;
  font-weight: bold;
  color: #fff;
}
.gnav-list {
  text-align: center;
  background: #1b9aaa;
  padding: 0;
  display: flex;
  gap: 2em;
}
.gnav-list li a {
  display: block;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
}
.gnav-list li span {
  font-size: 12px;
  display: block;
}
.gnav-button {
  display: none;
}
/*モバイル端末用の設定*/
@media screen and (max-width: 800px) {
  .gnav {
    padding-right: 1em;
  }
  .gnav-button {
    display: block;
    cursor: pointer;
  }
  .gnav-list {
    position: fixed;
    padding-top: 10vh;
    top: 10vh;
    left: -100%;
    z-index: 100;
    width: 150%;
    max-width: 240px;
    height: 90vh;
    flex-direction: column;
    transition: 0.3s;
    gap: 30px;
  }
}
.is-open .gnav-list{
  left: 0;
}
/* ボタン本体の調整 */
.gnav-button {
  height: 50px;
  width: 60px;
  background-color: transparent;
  border: none;
  position: relative;
}

/* 「メニュー」テキスト */
.gnav-button span {
  font-weight: bold;
  color: #fff;
  width: 60px;
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
}

/* ボタンの線 */
.gnav-button::before, .gnav-button::after, .gnav-button span::before {
  content: "";
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background-color: #fff;
  transition: all 0.3s;
}
.gnav-button::before {
  top: 8px;
}
.gnav-button::after {
  top: 24px;
}
.gnav-button span::before {
  top: -14px;
}

/* アイコンのアニメーション */
.is-open .gnav-button::before {
  transform: rotate(45deg);
  top: 16px;
  left: 16px;
}
.is-open .gnav-button::after {
  transform: rotate(-45deg);
  top: 16px;
  left: 16px;
}
.is-open .gnav-button span::before {
  background-color: transparent;
}