/* とは */
.about_title {
  font-size: var(--font-32);
  font-weight: bold;
  text-align: center;
  padding-bottom: 1em;
}
.about_heading {
  padding-bottom: 1em;
  font-size: var(--font-24);
  font-weight: bold;
  color: #3386D2;
  text-align: center;
}
.about_box {
  max-width: 740px;
  width: 100%;
  padding: var(--space-65) 5%;
  border-radius: 16px;
  margin: 0.5em auto 0;
  background: var(--bg-color);
}
.about_items {
  width: 100%;
  margin-inline: auto;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  @media screen and (max-width: 767px) {
    gap: 0 15px;
  }
}
.about_item {
  width: 183px;
  padding: 1em;
  aspect-ratio:  1 / 1;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1em;
  background: #3386D2;
  line-height: 1.5;
  text-align: center;
  color: #fff;
  @media screen and (max-width: 767px) {
    width: calc(50% - 15px / 2);
    gap: 0.5em;
    font-size: 1.3rem;
  }
}
@media screen and (max-width: 767px) {
  .about_item img {
    max-height: 35px;
    width: auto;
  }
}

/* 概要 */
.about_diagram {
  width: 100%;
  padding: var(--space-65) 5%;
  background: var(--bg-color);
}
.about_diagram img {
  margin-inline: auto;
}

/* 実行委員 */
.about_members {
  width: 100%;
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 30px;
}
.about_member {
  max-width: calc(50% - 10px);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1em 2em;
  @media screen and (max-width: 767px) {
    max-width: 100%;
    gap: 1em 1.5em;
  }
}
.about_member--name {
  padding-bottom: 1em;
  font-size: var(--font-20);
  font-weight: bold;
}
.about_members .page_subheading {
  width: 100%;
  padding-bottom: 0;
}

.page_section:has(.about_members) {
  display: none;
}