.tab_control *,
*::before,
*::after {
  box-sizing: border-box;
}

/* タブコントロール */
.tab_control {
  --tab-border-color: var(--color-dark-gray);
  --tab-border-width: 1px;
  --tab-border-selected-width: 3px;
  --tab-border-selected-color: var(--color-black);
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}
/* タブバー */
.tab_control > .bar {
  flex: 0;
  position: relative;
}
.tab_control > .bar > .tabs {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: left;
}
.tab_control > .bar > .tabs > .tab {
  display: flex;
  align-items: start;
  justify-content: center;
  height: 40px;
  flex: 0;
  margin-top: 10px;
  padding: 0px 20px;
  border-bottom: var(--tab-border-width) solid var(--tab-border-color);
  cursor: pointer;
  white-space: nowrap;
}
.tab_control > .bar > .tabs > .tab[data-selected="true"] {
  border-bottom: var(--tab-border-selected-width) solid var(--tab-border-selected-color);
}
.tab_control > .bar > .tabs > .tab > span {
  display: inline-block;
  color: var(--color-dark-gray);
  font-weight: 400;
  margin-top: 10px;
  transition: font-weight 300ms ease, color 300ms ease;
}
.tab_control > .bar > .tabs > .tab:hover > span {
  color: var(--color-black);
  font-weight: 700;
}
.tab_control > .bar > .tabs > .tab[data-selected="true"] > span {
  color: var(--color-black);
  font-weight: 700;
}
.tab_control > .bar > .tabs > .spacer {
  flex: 1;
  border-bottom: var(--tab-border-width) solid var(--tab-border-color);
}
/* ページ共通ヘッダ */
.tab_control > .header {
  flex: 0;
  width: 100%;
}

/* タブページ */
.tab_control > .pages {
  flex: 1;
  display: block;
  width: 100%;
}
.tab_control > .pages > .page {
  display: block;
  left: 0;
  top: 0;
  width: 100%;
  height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 400ms ease 200ms, visibility 400ms ease 200ms;
}
.tab_control > .pages > .page[data-shown="true"] {
  height: auto;
  overflow: visible;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* SP */
@media screen and (max-width: 768px) {
  /* タブコントロール */
  .tab_control {
    --tab-border-color: var(--color-black);
  }
  /* タブバー */
  .tab_control > .bar > .tabs > .tab {
    align-items: center;
    border-left: none;
    border-top: none;
    border-right: none;
    border-bottom: var(--tab-border-width) solid var(--tab-border-color);
  }
  .tab_control > .bar > .tabs > .tab[data-selected="true"] {
    border-radius: 10px 10px 0px 0px;
    border-left: var(--tab-border-width) solid var(--tab-border-color);
    border-top: var(--tab-border-width) solid var(--tab-border-color);
    border-right: var(--tab-border-width) solid var(--tab-border-color);
    border-bottom: none;
  }
  .tab_control > .bar > .tabs > .tab > span {
    margin-top: 0;
  }
}