.main-nav {
  width: 100%;
  margin: 0;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav>ul {
  display: flex;
  justify-content: center;
  gap: 0;
}

.main-nav>ul>li {
  position: relative;
  width: 20%;
  margin: 0;
}

.main-nav>ul>li.is-open:before {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 12px solid #F5B2B2;
}

.main-nav>ul>li:after {
  content: "";
  position: absolute;
  width: 2px;
  height: 25px;
  background-color: #333333;
  right: 0;
  top: 9px;
}

.main-nav>ul>li:last-child:after {
  content: none;
}

.main-nav>ul>li>a {
  display: block;
  padding: 20px 25px;
  color: #333;
  font-weight: bold;
  position: relative;
}

.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  transform: none;
  width: 100vw;
  max-width: 530px;
  background-color: rgb(255, 255, 255, 0.95);
  padding: 1.5rem 3rem;
  border: 2px solid #F5B2B2;
  z-index: 1100;
  font-weight: 600;
}

.main-nav>ul>li.sangyo .mega-menu,
.main-nav>ul>li.chosei .mega-menu {
  left: auto !important;
  right: 0;
}

.main-nav>ul>li:last-child:focus-within .mega-menu {
  left: auto;
  right: 0;
}

.main-nav>ul>li:focus-within .mega-menu {
  display: block;
}

.mega-menu.opens-up {
  top: auto;
  bottom: 100%;
  box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.1);
}

.main-nav>ul>li.is-open .mega-menu {
  display: block;
}

.mega-menu-content {
  display: flex;
  gap: 30px;
}

.mega-menu-column {
  flex: 1;
}

.mega-menu-column ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 15px;
}

.mega-menu-column ul li {
  margin-bottom: 0px;
}

.mega-menu-column ul li a {
  display: block;
  padding: 3px;
  color: #333;
}

.hamburger-menu {
  display: none;
  cursor: pointer;
  padding: 15px;
  background: none;
  border: none;
}

.hamburger-menu .bar {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #333;
  margin: 5px 0;
  transition: 0.4s;
}

.no-scroll {
  overflow: hidden;
}

/* ----------------------------------------------------------- */
/* .supportNavのちらつき防止
/* ----------------------------------------------------------- */
/* 初期状態では透明にしておく */
.supportNav {
  opacity: 0;
  /* visibility: hidden; を使う方法もあります */
  transition: opacity 0.2s ease-in-out;
  /* 表示される際に少し滑らかにする（任意） */
}

/* JavaScriptによる移動完了後に付与するクラス */
.supportNav.is-ready {
  opacity: 1;
  /* visibility: visible; */
}

@media (max-width: 1080px) {
  .hamburger-menu {
    display: block;
    z-index: 10000;
    position: fixed;
    top: 10px;
    right: 15px;
    background-color: #FFF;
    border: solid 1px gainsboro;
    border-radius: 4px;
  }

  .hamburger-menu:hover {
    background-color: #FFF;
  }

  .hamburger-menu.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger-menu.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .main-nav {
    display: flex;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgb(255, 255, 255, 1);
    flex-direction: column;
    align-items: center;
    padding-top: 80px;
    transform: translateX(-100%);
    overflow-y: auto;
    margin: 0;
    box-sizing: border-box;
  }

  .main-nav.active {
    transform: translateX(0);
    z-index: 9999;
    align-items: flex-start;
    padding: 2rem;
  }

  .main-nav.active+.main-nav-overlay {
    display: block;
  }

  .main-nav>ul {
    flex-direction: column;
    width: calc(100% - 24px);
    gap: 0;
    border-left: none;
    margin: 0 auto;
    border: solid 1px #30818a;
    border-radius: 10px;
  }

  .main-nav>ul>li {
    width: 100%;
    border-right: none;
    border-bottom: solid 1px #707070;
  }

  .main-nav>ul>li:last-child {
    border-bottom: none;
  }

  .main-nav>ul>li>a {
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-image: none;
    background-position: center;
    background-size: auto;
    padding-top: 15px;
    padding-bottom: 15px;
    text-align: left;
  }

  .main-nav>ul>li>a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0.4em 0.4em 0;
    border-color: currentColor transparent transparent;
    margin-left: 0.5em;
    vertical-align: middle;
    transition: transform 0.3s;
  }

  .main-nav>ul>li>a.open::after {
    transform: rotate(180deg);
  }

  .mega-menu {
    position: static;
    width: auto;
    max-width: none;
    box-shadow: none;
    border-top: none;
    display: block;
    overflow: hidden;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 15px;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: max-height 0.4s ease-in-out, padding-top 0.4s ease-in-out, padding-bottom 0.4s ease-in-out;
    border: none;
  }

  /* 開いた状態のスタイル */
  .main-nav>ul>li.is-open .mega-menu {
    max-height: 100vh;
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .main-nav>ul>li.gyosei.is-open .mega-menu {
    border-radius: 0px 0px 10px 10px;
  }

  .mega-menu-content {
    flex-direction: column;
    gap: 0;
  }

  .mega-menu-column h3 {
    padding-top: 15px;
  }

  .site-header>.iza-toggle {
    display: none;
  }

  .site-header>.izaSection {
    display: none;
  }

  .main-nav>.izaSection {
    display: block;
  }

  .main-nav .izaSection {
    position: static;
    transform: none;
    height: auto;
    width: 100%;
    pointer-events: auto;
    padding: 15px;
    box-sizing: border-box;
  }

  .main-nav .iza-menu {
    visibility: visible;
    transform: none;
    position: static;
    width: 100%;
    height: auto;
    overflow-y: visible;
    box-shadow: none;
    border: none;
    padding: 0;
    background-color: transparent;
  }

  .main-nav .iza-menu h2 {
    margin: 0 0 10px 0;
    padding: 0;
    font-size: 1rem;
    font-weight: bold;
    text-align: left;
    color: #333;
    display: block;
  }

  .main-nav .iza-menu h2::before {
    display: none;
  }

  .main-nav .iza-menu>ul {
    display: block;
    padding: 0;
    margin: 0;
    gap: 0;
    list-style: none;
  }

  .main-nav .iza-menu>ul li {
    margin-bottom: 8px;
  }

  .main-nav .iza-menu>ul li:last-child {
    margin-bottom: 0;
  }

  .supportNav {
    width: calc(100% - 90px);
    margin: 0 10px 20px;
    border-radius: 6px;
    box-shadow: none;
  }

  .main-nav>ul>li.is-open:before {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: auto;
    transform: translateY(-50%);
    width: 19px;
    height: 19px;
    border: none;
  }
}

.main-nav .kurashi>a,
.main-nav .kosodate>a,
.main-nav .kenko>a,
.main-nav .sangyo>a,
.main-nav .chosei>a {
  display: flex;
  text-align: center;
  text-decoration: none;
  padding: 0 0.5rem;
  font-size: 2rem;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.main-nav>ul>li>a::before {
  content: "";
  display: block;
  width: 42px;
  height: 42px;
  background-size: 21px 26px;
  background-repeat: no-repeat;
  background-color: #F5B2B2;
  background-position: left 11px top 8px;
  background-image: url("/img/common/ic_menu01.png");
  border-radius: 50px;
}

.main-nav>ul>li.kosodate>a::before {
  background-size: 25px 26px;
  background-image: url(/img/common/ic_menu02.png);
  background-position: left 9px top 8px;
}

.main-nav>ul>li.kenko>a::before {
  background-size: 23px 25px;
  background-image: url("/img/common/ic_menu03.png");
  background-position: left 11px top 8px;
}

.main-nav>ul>li.sangyo>a::before {
  background-size: 30px 20px;
  background-image: url("/img/common/ic_menu04.png");
  background-position: left 7px top 13px;
}

.main-nav>ul>li.chosei>a::before {
  background-size: 26px 22px;
  background-image: url("/img/common/ic_menu05.png");
  background-position: left 9px top 11px;
}

.mega-menu-column ul li a {
  position: relative;
  display: block;
  padding-left: 30px;
  line-height: 24px;
  text-decoration: none;
}

.mega-menu-column ul li a:hover {
  text-decoration: underline;
}

.mega-menu-column ul li a::after {
  content: '';
  position: absolute;
  left: 5px;
  top: calc(50% - 1px);
  width: 7px;
  height: 7px;
  border-top: 2px solid #F5B2B2;
  border-right: 2px solid #F5B2B2;
  transform: translateY(-50%) rotate(45deg);
}

.chosei.is-open .mega-menu {
  transform: none;
}

.kurashi.is-open .mega-menu {
  left: 0;
  transform: none;
}