@charset "utf-8";

:root {
  --color-black: #333333;
  --color-white: #ffffff;
  --color-gray: #f3f3f3;
  --color-dark-gray: #888888;
  --color-blue: #0070c0;
  --color-red: #ab0000;
  --color-theme-color: #00a9c9;
}

/* #base setting　　　　　
===================================================== */
body {
  font: 400 16px / 1.8 "Zen Kaku Gothic New", sans-serif;
  color: #333;
  text-align: justify;
  letter-spacing: 0.03em;
}

a {
  text-decoration: none;
  color: #003a57;
}

@media screen and (max-width: 767px) {
  body {
    font-size: 14px;
  }

  .pc {
    display: none !important;
  }

  .sp {
    display: block !important;
  }
}

.sp {
  display: inline !important;
}

/* header
===================================================== */
header {
  width: 100%;
  height: 60px;
  background: #00a9c9;
  padding: 10px;

  & h1 {
    width: 150px;
    height: auto;
    display: block;
    margin: 0 auto;
  }
}

header.HeightMin {
  position: fixed;
  z-index: 9999;
  height: 60px;
  animation: DownAnime 0.5s forwards;
  padding: 10px;

  & h1 {
    width: 150px;
    height: auto;
  }
}

@keyframes DownAnime {
  from {
    opacity: 0;
    transform: translateY(-100px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* breadcrumbs
===================================================== */
#breadcrumbs {
  border-bottom: solid 1px #ccc;
}

#breadcrumbs p {
  max-width: 1320px;
  font-size: 14px;
  padding: 10px 0;
  margin: 0 auto;
}

@media screen and (max-width: 850px) {
  #breadcrumbs p {
    padding: 10px 0;
  }
}

/* headLine
===================================================== */
#headLine {
  display: grid;
  place-items: center;
  padding-block: 50px 0;

  & .eng {
    color: #00a9c9;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    margin-bottom: -10px;
  }

  & h2 {
    font-size: 32px;
    text-align: center;
  }
}

@media screen and (max-width: 767px) {
  #headLine p {
    font-size: 20px;
  }
}

/* headingLevel-03
===================================================== */
.headingLevel-03 {
  font-size: 22px;
  font-weight: bold;
  border-bottom: 3px solid #e3e3e3;
  padding: 0 0 5px;
  margin-bottom: 0.3em;
  position: relative;

  &::after {
    content: "";
    background-color: #00a9c9;
    width: 2em;
    height: 3px;
    position: absolute;
    bottom: -3px;
    left: 0;
    z-index: 1;
  }
}

/* headingLevel-04
===================================================== */
.headingLevel-04 {
  font-size: 18px;
}

@media screen and (max-width: 767px) {
  .headingLevel-04 {
    font-size: 16px;
    margin-block-end: 10px;
  }
}

/* indent
===================================================== */
.indent {
  text-indent: -1em;
  padding-inline-start: 1em;
}

/* footer
===================================================== */
.copy {
  text-align: center;
  color: #7f8979;
  margin: 10px auto;
  font-size: 14px;
}


/* #require
===================================================== */
.require {
  display: inline-block;
  color: #fff;
  background: #eb0a1e;
  padding: 0 0.4rem;
  font-weight: bold;
  font-size: 0.8rem;
  letter-spacing: 1px;
  margin-left: 0.5rem;
  margin-right: 2px;
  border-radius: 2px;
}


/* #optional
===================================================== */
.optional {
  display: inline-block;
  color: #fff;
  background: #0070c0;
  padding: 0 0.4rem;
  font-weight: bold;
  font-size: 0.8rem;
  letter-spacing: 1px;
  margin-left: 0.5rem;
  margin-right: 2px;
  border-radius: 2px;
}


/* annotation
===================================================== */
.annotation {
  font-size: 13px;
  color: var(--color-red);
}

/* #jsAccordion
===================================================== */
.jsAccordion {
  padding: 15px;
  font-size: 18px;
  font-weight: bold;
  border: solid 1px #00a9c9;
  border-radius: 3px;
  position: relative;
  transition-duration: 0.2s;
  cursor: pointer;

  &::before {
    content: "＋";
    position: absolute;
    right: 20px;
    transform: rotate(90deg);
    transition: transform 0.4s;
  }

  &.is-open::before {
    content: "－";
    transform: rotate(180deg);
    transition: transform 0.4s;
  }
}

.jsAccordion-details {
  display: none;

  & a {
    text-decoration: underline;
  }

  & ul {
    margin-block-start: 10px;
    padding: 10px;

    & li {
      list-style: none;
    }
  }
}

@media screen and (max-width: 767px) {
  .jsAccordion {
    font-size: 16px;
  }
}