@charset "UTF-8";

/* ===================== common */
.archive * {
  box-sizing: border-box;
}
.archive img,
.archive svg,
.archive video {
  width: 100%;
  height: auto;
}

.archive a,
.archive picture {
  display: block;
}

/* ===================== layout */
/*--- topics page ---*/
.main-area--topics {
  max-width: var(--max-width);
  min-width: inherit;
  margin-inline: auto;
  box-sizing: border-box;
}
/*--- breadcrumbs ---*/
.breadcrumbs {
  margin-block-end: var(--breadcrumbs-bottom-space);
}
/*--- for small viewport ---*/
@media screen and (max-width: 767px) {
  /*--- topics page ---*/
  .main-area--topics {
    --max-width: 600px;
    width: 100%;
    padding-block-start: 30px;
    padding-block-end: 80px;
    padding-inline: 10px;
  }
  /*--- breadcrumbs ---*/
  .breadcrumbs {
    --breadcrumbs-bottom-space: 20px;
  }
}
/*--- for large viewport ---*/
@media screen and (min-width: 768px) {
  /*--- topics page ---*/
  .main-area--topics {
    --max-width: 980px;
    width: 95%;
    /* padding-block-start: 80px; */
    padding-block-end: 100px;
  }
  /*--- breadcrumbs ---*/
  .breadcrumbs {
    --breadcrumbs-bottom-space: 35px;
  }
}

/*--- archive ---*/
.main-area--topics .archive {
  margin-block-start: var(--archive-container-gap);
}
.main-area--topics .archive__list {
  display: grid;
  grid-template-columns: repeat(var(--archive-col), 1fr);
  row-gap: var(--row-gap);
  column-gap: var(--column-gap);
}
.main-area--topics .archive__desc {
  margin-block-start: var(--archive-desc-gap);
}
.main-area--topics .archive__date {
  margin-block-start: var(--archive-date-gap);
}
/*--- for small viewport ---*/
@media screen and (max-width: 767px) {
  /*--- archive ---*/
  .main-area--topics .archive {
    --archive-container-gap: 30px;
  }
  .main-area--topics .archive__list {
    --archive-col: 2;
    --row-gap: 30px;
    --column-gap: 5px;
  }
  .main-area--topics .archive__desc {
    --archive-desc-gap: 10px;
  }
  .main-area--topics .archive__date {
    --archive-date-gap: 10px;
  }
}
/*--- for large viewport ---*/
@media screen and (min-width: 768px) {
  /*--- archive ---*/
  .main-area--topics .archive {
    --archive-container-gap: 40px;
  }
  .main-area--topics .archive__list {
    --archive-col: 3;
    --row-gap: 60px;
    --column-gap: calc(70 / 980 * 100%);
  }
  .main-area--topics .archive__desc {
    --archive-desc-gap: 16px;
  }
  .main-area--topics .archive__date {
    --archive-date-gap: 16px;
  }
}

/* ===================== typography */
/*--- heading ---*/
.heading {
  font-size: var(--font-size);
  font-family: adobe-garamond-pro, serif;
  font-weight: 400;
  font-style: normal;
  line-height: 1;
  letter-spacing: 0.02em;
  text-align: center;
}
/*--- breadcrumbs ---*/
.breadcrumbs {
  font-size: var(--font-size);
}
.breadcrumbs ol li {
  position: relative;
  display: inline-flex;
}
.breadcrumbs ol li:not(:first-child)::before {
  content: " > ";
  position: relative;
}
/*--- archive ---*/
.main-area--topics .archive__title {
  text-align: left;
  font-family: 'Times New Roman';
  letter-spacing: 0;
}
.main-area--topics .archive__date {
  text-align: right;
  letter-spacing: 0.05em;
  font-weight: 300;
  color: #848484;
}
/*--- for small viewport ---*/
@media screen and (max-width: 767px) {
  /*--- heading ---*/
  .heading {
    --font-size: 27px;
  }
  /*--- breadcrumbs ---*/
  .breadcrumbs {
    --font-size: 10px;
  }
  /*--- archive ---*/
  .main-area--topics .archive__title {
    font-size: 16px;
  }
  .main-area--topics .archive__title .num {
    font-size: calc(19 / 16 * 1em);
  }
  .main-area--topics .archive__date {
    font-size: 10px;
  }
}
/*--- for large viewport ---*/
@media screen and (min-width: 768px) {
  /*--- heading ---*/
  .heading {
    --font-size: 30px;
  }
  /*--- breadcrumbs ---*/
  .breadcrumbs {
    --font-size: 10px;
  }
  /*--- archive ---*/
  .main-area--topics .archive__title {
    font-size: 18px;
  }
  .main-area--topics .archive__title .num {
    font-size: calc(22 / 18 * 1em);
  }
  .main-area--topics .archive__date {
    font-size: 12px;
  }
}