body {
  padding-top: 105px;
}

/* header */
header {
  position: fixed;
  width: 100%;
  background-color: #fff;
  top: 0;
  z-index: 100;
  border-top: #0176D2 solid 24px;
  box-shadow: 0 2px 4px 0 #00000033;
  z-index: 9999;
}

.header_wrap {
  display: flex;
  justify-content: space-between;
  align-items: end;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding-top: 16px;
}

header .header_logo {
  width: 200px;
  margin-bottom: 14px;
}

header nav ul {
  display: flex;
  align-items: end;
}

header nav>ul>li {
  position: relative;
}

header .nav_item {
  position: relative;
  display: block;
  cursor: pointer;
  padding: 19px 18px 22px;
  white-space: nowrap;
}

header .nav_item:hover {
  opacity: .7;
}

header .nav_item.open {
  background: #EFF8FF;
  border-radius: 4px 4px 0 0;
}

header nav>ul>li:first-of-type .nav_item,
header nav>ul>li:nth-of-type(2) .nav_item {
  width: 183px;
}

header nav>ul>li:nth-of-type(3) .nav_item,
header nav>ul>li:last-of-type .nav_item {
  width: 140px;
}

header .nav_item p {
  font-size: 14px;
  font-weight: 500;
  padding-right: 17px;
  position: relative;
  margin: 0;
}

header dt.nav_item p:after {
  content: '';
  position: absolute;
  display: block;
  top: 5px;
  right: 0;
  width: 8px;
  height: 8px;
  border-bottom: 2px solid #0176D2;
  border-right: 2px solid #0176D2;
  transform: rotate(45deg);
}

header .nav_item img {
  max-width: 20px;
  margin-right: 12px;
}

header nav .accordion_content {
  position: fixed;
  background-color: #EFF8FF;
  width: 100%;
  left: 0;
  right: 0;
  top: 102px;
  box-shadow: 0px 1px 2px 0px #00000040;
}

header nav .accordion_content ul {
  padding-left: 220px;
  display: flex;
  gap: 0;
}

header nav .accordion_content a {
  display: block;
  padding: 16px 30px;
  font-weight: 500;
  font-size: 16px;
  text-align: center;
  box-sizing: border-box;
}

header nav .accordion_content a:hover {
  border-bottom: solid 3px #0176D2;
  padding-bottom: 13px;
}

@media (768px <=width < 920px) {
  body {
    padding-top: 11.413043vw;
  }

  header {
    border-top: #0176D2 solid 2.6087vw;
    box-shadow: 0 0.2174vw 0.4348vw 0 #00000033;
  }

  .header_wrap {
    max-width: 130.4348vw;
    padding-top: 1.7391vw;
  }

  header .header_logo {
    width: 21.3478vw;
    margin-bottom: 1.5217vw;
  }

  header .nav_item {
    padding: 2.0652vw 1.9565vw 2.3913vw;
  }

  header .nav_item.open {
    border-radius: 0.4348vw 0.4348vw 0 0;
  }

  header nav>ul>li:first-of-type .nav_item,
  header nav>ul>li:nth-of-type(2) .nav_item {
    width: 19.891304vw;
  }

  header nav ul li:nth-of-type(3) .nav_item,
  header nav ul li:last-of-type .nav_item {
    width: 15.217391vw;
  }

  header .nav_item p {
    font-size: 1.5217vw;
    padding-right: 1.8478vw;
  }

  header dt.nav_item p:after {
    top: 0.5435vw;
    width: 0.8696vw;
    height: 0.8696vw;
    border-bottom: 0.2174vw solid #0176D2;
    border-right: 0.2174vw solid #0176D2;
  }

  header .nav_item img {
    max-width: 2.1739vw;
    margin-right: 1.3043vw;
  }

  header nav .accordion_content {
    top: 11.087vw;
    box-shadow: 0vw 0.1087vw 0.2174vw 0vw #00000040;
  }

  header nav .accordion_content ul {
    padding-left: 23.913vw;
  }

  header nav .accordion_content a {
    padding: 1.7391vw 3.2609vw;
    font-size: 1.7391vw;
  }

  header nav .accordion_content a:hover {
    border-bottom: solid 0.3261vw #0176D2;
    padding-bottom: 1.413vw;
  }
}

/* sp  */
@media screen and (max-width: 768px) {
  body {
    padding-top: 19.333333vw;
  }

  body.passive {
    position: relative;
    overflow: hidden;
  }

  body.passive::before {
    content: '';
    background-color: rgba(0, 0, 0, 0.5);
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 9998;
  }

  /* header */
  header {
    border-top: #0176D2 solid 4.266666vw;
  }

  .header_wrap {
    padding: 3.466666vw 5.333333vw 4vw 4vw;
    align-items: center;
  }

  header .header_logo {
    width: 33.4vw;
    margin-bottom: 0;
  }

  header nav {
    position: absolute;
    top: 15.733333vw;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100vh - 19.999999vw);
    overflow: scroll;
  }

  header nav ul {
    flex-direction: column;
  }

  header nav>ul>li {
    width: 100%;
    padding: 0;
    background-color: #fff;
  }

  header nav>ul>li::before,
  header nav>ul>li::after {
    background-image: none;
  }

  header nav>ul>li:first-of-type .nav_item,
  header nav>ul>li:nth-of-type(2) .nav_item {
    width: auto;
  }

  header nav>ul>li:nth-of-type(3) .nav_item,
  header nav>ul>li:last-of-type .nav_item {
    width: auto;
  }

  header .nav_item p {
    font-size: 3.733333vw;
  }

  header dt.nav_item p:after {
    content: none;
  }

  header nav .nav_item {
    padding: 5.333333vw;
    position: relative;
    display: block;
  }

  header .nav_item.open {
    background: #fff;
    border-radius: 0;
  }

  header nav .accordion_content {
    position: static;
    background-color: #EFF8FF;
    width: 100%;
  }

  header nav .accordion_content.open {
    display: block;
  }

  header dt.nav_item::before,
  header dt.nav_item::after {
    content: '';
    position: absolute;
    border-radius: 9999px;
    background-color: #0176D2;
    width: 15px;
    height: 2px;
    top: 0;
    bottom: 0;
    right: 20px;
    margin: auto 0;
    transition: 0.25s;
  }

  header dt.nav_item::after {
    transform: rotate(90deg);
  }

  header dt.nav_item.open::after {
    transform: none;
  }

  header nav .accordion_content ul {
    padding-left: 0;
  }

  header nav .accordion_content li {
    width: 100%;
  }

  header nav .accordion_content li a {
    padding: 4.266666vw 8vw;
    font-size: 3.466666vw;
    text-align: left;
    color: #0176D2;
  }

  header nav .accordion_content a:hover {
    border-bottom: none;
    padding: 4.266666vw 8vw;
  }

  /* hamburger */
  .MenuBtn.Style01 {
    position: relative;
    width: 5.333333vw;
    height: 4.8vw;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .MenuBtn.Style01 .MenuBtn-BarFrame {
    position: relative;
    display: block;
    width: 5.333333vw;
    height: 0.533333vw;
  }

  .MenuBtn.Style01 .MenuBtn-BarFrame-FirstBar {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    background-color: #0176D2;
    transition: all .15s linear;
  }

  .MenuBtn.Style01 .MenuBtn-BarFrame-SecondBar {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    background-color: #0176D2;
    transition: all .15s linear;
    transform: translateY(-8px) rotate(0deg);
  }

  .MenuBtn.Style01 .MenuBtn-BarFrame-ThirdBar {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    background-color: #0176D2;
    transition: all .15s linear;
    transform: translateY(8px) rotate(0deg);
  }

  .MenuBtn.Style01.isClosed .MenuBtn-BarFrame-FirstBar {
    opacity: 0;
  }

  .MenuBtn.Style01.isClosed .MenuBtn-BarFrame-SecondBar {
    transform: translateY(0) rotate(45deg);
  }

  .MenuBtn.Style01.isClosed .MenuBtn-BarFrame-ThirdBar {
    transform: translateY(0) rotate(-45deg);
  }
}