/* 全体スタイル
-------------------------*/
img {
  max-width: 100%;
  height: auto;
}

.visually-hidden {
  white-space: nowrap;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  margin: -1px;
  clip: rect(0, 0, 0, 0);
  position: absolute;
  overflow: hidden;
}

/* ヘッダー・フッター
-------------------------*/
.header {
  line-height: 1;
}
.header__top,
.header__bottom {
  width: 100%;
  padding-inline: 1em;
}
.header__top {
  padding-block: 7px 4px;
  border-top: solid 2px #0072ba;
}
.header__bottom {
  padding-block: 10px;
  border-top: solid 1px #e5e5e5;
}
.header__top-inner,
.header__bottom-inner {
  display: flex;
  width: 100%;
   max-width: 960px;
  margin-inline: auto;
}
.header__top-inner {
  justify-content: flex-end;
}
.header-group-logo {
  display: block;
  max-width: 127px;
}
.header-school-logo {
  display: block;
  max-width: 312px;
}

.footer {
  width: 100%;
  padding: 14px 1em;
  border-top: solid 1px #e5e5e5;

  .footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1em;
    width: 100%;
    max-width: 960px;
    margin-inline: auto;
  }
}
.footer-group-link {
  flex-shrink: 0;
  display: block;
  max-width: 204px;
}
.footer-group {
  .footer-group__nav {
    margin-top: 7px;
  }
}
.footer-group-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 9px;
  width: 100%;
  max-width: 640px;
  font-size: 12px;
  line-height: 1.5;

  .footer-group-nav__item {
    padding-right: 9px;
  }
  .footer-group-nav__item:not(:first-of-type) {
    padding-inline: 9px;
    border-left: solid 1px #cccccc;
  }

  .footer-group-nav__link {
    text-decoration: underline;
    color: #004979;
  }
  .footer-group-nav__link:hover {
    text-decoration: none;
  }
}

@media screen and (max-width: 768.98px) {
  .header {
    .header__top {
      display: none;
    }
  }
  .header-school-logo {
    max-width: 202px;
  }

  .footer {
    .footer__inner {
      justify-content: center;
    }
  }
  .footer-group-link {
    flex: initial;
  }
  .footer-group {
    display: none;
  }
}


/* 固有
-------------------------*/
img {
  display: block;
  margin-inline: auto;
}

.main {
  max-width: 750px;
  margin-inline: auto;
}

.section {
  width: 100%;
  text-align: center;
  position: relative;
}
.section--03 {
  margin-top: 40px;
}
.section--04 {
  margin-top: 32px;
}

.about {
  margin: calc(-422 / 750 * 100%) auto 0;
}

.course-list-btn {
  display: block;
  width: calc(514 / 750 * 100%);
  margin: 19px auto 0;
}

.event-overview-btn {
  display: block;
  width: calc(514 / 750 * 100%);
  margin: 15px auto 0;
}