/* メインコンテンツ */
#main {
  position: relative;
  background: var(--module-color-bg-main);
  padding-bottom: 95px;
  font-family: var(--module-font-sans);
}

@media all and (max-width: 900px) {
  #main {
    padding-bottom: 70px;
  }
}

@media (any-hover: hover) {
  :where(.backnumber) a:hover {
    text-decoration: underline;
  }
}

:where(.backnumber):focus-visible {
  outline: 2px solid var(--module-color-primary);
  outline-offset: 2px;
}

:where(.backnumber) :focus:not(:focus-visible) {
  outline: none;
}

.backnumber {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  color: var(--module-color-text);
  font-weight: 500;
}

@media all and (max-width: 900px) {
  .backnumber {
    grid-template-columns: 1fr;
  }
}

.backnumber-main {
  display: flex;
  flex-direction: column;
}

.backnumber-main > * + * {
  margin-top: 11px;
}

.backnumber-breadcrumb {
  max-width: 1280px;
}

.backnumber-block {
  background-color: var(--module-color-white);
}

.backnumber-head {
  margin-top: 24px;
}

.backnumber-link {
  font-weight: 500;
  display: inline;
  text-decoration: none;
  color: inherit;
  line-height: 1;
  font-family: inherit;
  transition: opacity var(--module-transition-normal);
}

.backnumber-link::after {
  content: "";
  display: inline-block;
  width: 14px;
  min-height: 14px;
  flex-shrink: 0;
  vertical-align: middle;
  margin-left: 4px;
  margin-right: 4px;
  mask-image: var(--module-icon-arrow-right);
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  background-color: var(--module-color-primary);
}

.backnumber-link:only-child::after {
  margin-right: 0;
}

.backnumber-link[target="_blank"]::after {
  mask-image: var(--module-icon-external);
}

.backnumber-link[href$=".pdf"]::after {
  mask-image: var(--module-icon-pdf);
}

.backnumber-link_text {
  vertical-align: middle;
}

.backnumber-section {
  padding: 32px;
  max-width: 960px;
  margin: 0 auto;
  background-color: var(--module-color-white);
}

@media all and (max-width: 900px) {
  .backnumber-section {
    padding: 40px 16px;
  }

  .backnumber-section--hero {
    padding-top: 24px;
  }
}

.backnumber-newreport {
  line-height: 1;
  padding: 16px 0;
  margin-top: 16px;
}

.backnumber-link {
  line-height: 1;
  font-size: var(--module-font-size-base);
}

.backnumber-accordion_note {
  margin-top: 16px;
}

.backnumber-accordion_note-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 20px 20px 20px 0;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  list-style: none;
  border-bottom: 1px solid var(--module-color-border-alt);
}

.backnumber-accordion_note-header::-webkit-details-marker {
  display: none;
}

.backnumber-accordion_note-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.backnumber-accordion_note-icon i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--module-transition-normal);
  color: var(--module-color-primary);
}

.backnumber-accordion_note[open] .backnumber-accordion_note-icon i {
  transform: rotate(180deg);
}

.backnumber-accordion-list {
  line-height: 1;
}

.backnumber-accordion-list_item {
  padding: 10px 0;
}

.backnumber-disclaimer {
  line-height: 1;
  font-size: var(--module-font-size-sm);
  margin-top: 32px;
}

.backnumber-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  vertical-align: middle;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.backnumber-icon--arrow-down {
  -webkit-mask-image: var(--module-icon-arrow-down);
  mask-image: var(--module-icon-arrow-down);
}

.backnumber-icon--chevron-down {
  -webkit-mask-image: var(--module-icon-chevron-down);
  mask-image: var(--module-icon-chevron-down);
}

@media all and (min-width: 901px) {
  .backnumber-only--mobile {
    display: none;
  }
}

@media all and (max-width: 900px) {
  .backnumber-only--desktop {
    display: none;
  }
}