@charset "utf-8";

:root {
  --color-main: #222222;
  --color-brand_purple: #551B48;
  --font-sans: "Noto Sans JP", sans-serif;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: auto; 
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  background-color: #fff;
  z-index: 999;
}

header div.header_lead {
  width: 100%;
  height: min(3.2rem, 32px);
  background-color: var(--color-main);
  display: flex;
  justify-content: center;
  align-items: center;
}

header div.header_lead p.header_lead_txt {
  color: #fff;
  font-size: min(1.4rem, 14px);
  font-weight: 400;
  text-align: center;
}

header div.header_container {
  width: 100%;
  padding: min(1rem, 10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: min(2rem, 20px);
  box-shadow: 0 min(.2rem, 2px) min(.5rem, 5px) rgba(0, 0, 0, 0.1);
}

header h1 a {
  display: block;
  width: min(25rem, 250px);
}

header a.header_tel {
  font-size: min(1.4rem, 14px);
  font-weight: 400;
  text-align: right;
}

header nav.gnav {
  width: 100%;
  padding: min(0.8rem, 8px) 0;
}

header nav.gnav ul.gnav_ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
}

header nav.gnav ul.gnav_ul li.gnav_li {
  position: relative;
}

header nav.gnav ul.gnav_ul li.gnav_li a {
  display: block;
  width: fit-content;
  font-size: min(1.6rem, 16px);
  font-weight: 500;
  transition: all .4s;
  padding: min(.8rem, 8px) min(4rem, 40px);
  border-right: min(.1rem, 1px) solid #DDDDDD;
}

header nav.gnav ul.gnav_ul li.gnav_li:first-child a {
  border-left: min(.1rem, 1px) solid #DDDDDD;
}

header nav.gnav ul.gnav_ul li.gnav_li:not(.contact) a::before {
  content: "";
  position: absolute;
  display: block;
  width: 0%; 
  height: min(.2rem, 2px);
  background-color: var(--color-brand_purple);
  left: 0;
  right: 0;
  margin: auto;
  bottom: 0;
  transition: all .4s;
  transform: translate(-5%, -100%);
}

header nav.gnav ul.gnav_ul li.gnav_li:not(.contact):hover a::before {
  width: 60%;
}


header nav.gnav ul.gnav_ul li.gnav_li.contact a {
  width: fit-content;
  background-color: var(--color-main);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: min(.8rem, 8px);
  padding: min(1rem, 10px) min(1.6rem, 16px);
  position: relative;
}

header nav.gnav ul.gnav_ul li.gnav_li.contact.myPage a {
  background-color: var(--color-brand_purple);
}

header nav.gnav ul.gnav_ul li.gnav_li.contact a::after {
  content: "";
  display: block;
  position: absolute;
  width: min(1.2rem, 12px);
  height: min(.1rem, 1px);
  background-color: #fff;
  top: 0;
  bottom: 0;
  margin: auto;
  right: 0;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
  max-width: 1640px;
  padding: min(3rem, 30px) 20px min(2rem, 20px);
  height: auto;
  background-color: #fff;
  display: flex;
  align-items: start;
  gap: min(3.2rem, 32px);
  transform: translate(0%, min(13.0rem, 130px));
  opacity: 0;
  pointer-events: none;
  transition: all .4s;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s.active {
  opacity: 1;
  pointer-events: auto;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s div.gnav_img {
  width: min(18rem, 180px);
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: stretch;
  gap: min(4.0rem, 40px) min(2.0rem, 20px);
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li {
  padding-bottom: min(1.6rem, 16px);
  border-bottom: min(.1rem, 1px) solid #CCCCCC;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li.top {
  padding-bottom: 0;
  border-bottom: 0;
  grid-column: span 4;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li a {
  font-size: min(1.3rem, 13px);
  font-weight: 500;
  line-height: 1.4;
  display: flex; 
  align-items: start;
  gap: min(.8rem, 8px);
  padding: 0;
  border-right: none;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li a::before {
  content: none;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li.top a {
  font-size: min(1.6rem, 16px);
  font-weight: 700;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li.top a::after {
  transform: translateY(60%);
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li ul.gnav_xs_ul {
  margin-top: 0.5em;
  padding-left: 1em;
  display: flex;
  flex-direction: column;
  gap: 0.3em;
}

header nav.gnav ul.gnav_ul li.gnav_li nav.gnav_s ul.gnav_s_ul li.gnav_s_li ul.gnav_xs_ul li.gnav_xs_li a {
  font-weight: 300;
  text-decoration: underline;
}

@media screen and (max-width: 799px) {
  header {
    z-index: 999;
  }
  
  header div.header_lead {
    height: 2.4rem; 
  }
  
  header div.header_lead p.header_lead_txt {
    font-size: 1.1rem;
    line-height: 1.2;
    letter-spacing: .04em;
  }
  
  header div.header_container {
    width: 100%;
    padding: 0 1rem;
    height: 4.0rem;
  }
  
  header h1 a {
    width: 18rem;
  }
  
  #open {
    width: 1.6rem;
  }
}

/* ----- overlay ----- */

@media screen and (max-width: 799px) {
  div.overlay {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all .8s;
  }

  div.overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  div.overlay div.overlay_lead {
    width: 100%;
    height: 3.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  div.overlay div.overlay_lead p.overlay_lead_txt {
    font-size: 1.1rem;
    line-height: 1.2;
    text-align: center;
    letter-spacing: .04em;
  }

  div.overlay div.overlay_header {
    width: 100%;
    height: 4.8rem;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  div.overlay div.overlay_header h1 a {
    display: block;
    width: 18rem;
  }

  div.overlay div.overlay_header div#close {
    width: 1.6rem;
  }

  div.overlay nav.overlay_nav {
    padding: 2rem 2rem 4rem;
    height: 100%;
    overflow: auto;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li {
    padding: 2rem 0;
    border-bottom: .1rem solid #707070;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li a {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.6rem;
    font-weight: 500;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li a::after {
    content: '';
    background-image: url(../images/icon_arrow_overlay_down.png);
    background-size: contain;
    background-repeat: no-repeat;
    width: 3rem;
    height: 3rem;
    transition: all .8s;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li.active a::after {
    background-image: url(../images/icon_arrow_overlay_up.png);
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li ul.overlay_s_ul {
    position: absolute;
    top: -99999px;
    opacity: 0;
    pointer-events: none;
    transition: all .8s;
    margin-left: 1em;
    margin-top: 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 1.4em;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li.active ul.overlay_s_ul {
    position: static;
    opacity: 1;
    pointer-events: auto;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li ul.overlay_s_ul li.overlay_s_li a {
    font-size: 1.4rem;
    font-weight: 500;
    justify-content: start;
    gap: 1.6rem;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li ul.overlay_s_ul li.overlay_s_li a::after {
    content: none;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li ul.overlay_s_ul li.overlay_s_li ul.overlay_xs_ul {
    margin-top: 1.2em;
    padding-left: 1em;
    display: flex;
    flex-direction: column;
    gap: .8rem;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li ul.overlay_s_ul li.overlay_s_li ul.overlay_xs_ul li.overlay_xs_li a {
    font-weight: 300;
    text-decoration: underline;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li ul.overlay_s_ul li.overlay_s_li ul.overlay_xs_ul li.overlay_xs_li a::after {
    content: none;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li.contact {
    margin-top: 4rem;
    padding: 0;
    border-bottom: 0;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li.contact + li.overlay_li.contact {
    margin-top: 1.6rem;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li.contact a {
    padding: 0;
    width: 100%;
    height: 5rem;
    background-color: var(--color-main);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 99px;
    position: relative;
  }

  div.overlay nav.overlay_nav ul.overlay_ul li.overlay_li.contact a::after {
    content: '';
    display: block;
    position: absolute;
    background-image: url(../images/icon_arrow_right_white.png);
    background-size: contain;
    background-repeat: no-repeat;
    width: 0.6rem;
    height: 1.2rem;
    top: 0;
    bottom: 0;
    margin: auto;
    right: 0;
    transform: translateX(-500%);
  }
}