.header {
  background-color: #f6f5f3;
  color: #212121;
  width: 100%;
  position: fixed;
  z-index: 1000;
}

.header_wrap {
  align-items: center;
  border-bottom: solid 0.1rem #212121;
  display: flex;
  height: 8rem;
  width: 100%;
}

.header_img {
  height: 5.8rem;
  margin-left: 2rem;
  object-fit: cover;
  width: 22.1rem;
}

.header_nav {
  margin-left: auto;
  padding-right: 3rem;
}

.header_list {
  column-gap: 3.9rem;
  display: flex;
}

.header_nav_ja {
  display: block;
  font-size: 1.7rem;
}

.header_nav_en {
  color: #024391;
  display: block;
  font-size: 1.4rem;
}

.main_title_wrap {
  border-bottom: solid 0.1rem #212121;
  padding-top: 8rem;
}

.main_titel_ja {
  font-size: 2.8rem;
  padding: 4rem 5rem 0;
}

.main_titel_en {
  color: #024391;
  font-size: 1.9rem;
  padding: 0 5rem 4rem;
}

.hide {
  display: none;
}

@media screen and (max-width: 699.98px) {
  /* ヘッダー */
  .header_wrap {
    display: flex;
    align-items: center;
    height: inherit;
    position: relative;
  }

  .header_nav {
    position: absolute;
    right: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    transform: translateX(100%);
    background-color: #fffef8;
    transition: ease 0.4s;
  }

  .header_img_wrap {
    padding: 1.4rem 13.6rem 1.4rem 0.9rem;
    border-right: solid 0.1rem #212121;
  }

  .header_img {
    height: 4.197rem;
    margin-left: 0.9rem;
    width: 16rem;
  }

  .header_list {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0;
  }

  .header_item .header_link {
    width: 100%;
    display: block;
    text-align: center;
    margin-bottom: 2.4rem;
  }

  .header_item .header_link :last-child {
    margin-bottom: 0;
  }

  /* ハンバーガーメニュー */
  .header_hamburger {
    height: 100%;
    padding-left: 2rem;
  }

  .hamburger {
    background-color: transparent;
    border-color: transparent;
    z-index: 9999;
  }

  .hamburger_border {
    width: 3rem;
    height: 0.1rem;
    background-color: #000;
    position: relative;
    transition: ease 0.4s;
    display: block;
  }

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

  .hamburger_border:nth-child(2) {
    margin: 0.8rem 0 0.8rem 1.5rem;
    width: 1.5rem;
  }

  .hamburger_border:nth-child(2):hover {
    margin: 0.8rem 0;
    width: 3rem;
  }

  /* ハンバーガーメニュークリック後のスタイル */
  .header_nav.active {
    transform: translateX(0);
  }

  .hamburger.active .hamburger_border:nth-child(1) {
    top: 0.5rem;
    transform: rotate(45deg);
  }

  .hamburger.active .hamburger_border:nth-child(2) {
    margin: 0.8rem 0;
    top: -0.4rem;
    transform: rotate(-45deg);
    width: 3rem;
  }

  .main_title_wrap {
    padding-top: 7rem;
  }

  .main_titel_ja {
    font-size: 2.2rem;
    padding: 3.4rem 1.5rem 0;
  }

  .main_titel_en {
    font-size: 1.5rem;
    padding: 0 1.5rem 3.3rem;
  }

}