/* ===== Tab Navigation ===== */

.c-tab-nav__list {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 24px 0px;
}

.c-tab-nav__item {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.c-tab-nav__btn {
  display: flex;
  align-items: center;
  height: 100%;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
  line-height: var(--line-height-none);
  padding: 8px 24px 8px 0;
  margin-right: 24px;
  transition: color 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}

.c-tab-nav__item .c-tab-nav__btn {
  border-right: 1px solid var(--color-text-dark);
}

.c-tab-nav__btn.is-active {
  color: var(--color-accent);
}

.c-tab-nav__btn:hover {
  color: var(--color-accent);
}

/* Underline variant (news tabs) */
.c-tab-nav--underline .c-tab-nav__list {
}

.c-tab-nav--underline .c-tab-nav__item .c-tab-nav__btn {
  border-right: 1px solid var(--color-text-dark);
}

.c-tab-nav--underline .c-tab-nav__btn {
  padding: 8px 24px 8px 0;
  margin-right: 24px;
  position: relative;
}

.c-tab-nav--underline .c-tab-nav__item:first-child .c-tab-nav__btn {
  padding-left: 0;
}

.c-tab-nav--underline .c-tab-nav__btn.is-active::after {
  display: none;
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: -1px;
  height: 2px;
  background: var(--color-primary);
}

/* ===== テキストサイズ (1024px) ===== */
@media (max-width: 1024px) {
  .c-tab-nav__btn {
    font-size: var(--font-size-sm);
  }
}

/* ===== SP ===== */
@media (max-width: 767px) {
  .c-tab-nav__list {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 8px 0;
  }

  .c-tab-nav__list::-webkit-scrollbar {
    display: none;
  }

  .c-tab-nav__btn {
    font-size: var(--font-size-sm-ic);
    padding: 8px 12px 8px 0;
    margin-right: 0;
    border-right: 0;
  }

  .c-tab-nav__item .c-tab-nav__btn,
  .c-tab-nav--underline .c-tab-nav__btn {
    padding: 8px 12px 8px 0;
    margin-right: 0;
    border-right: 0;
  }

  .c-tab-nav--underline .c-tab-nav__btn.is-active::after {
    left: 12px;
    right: 12px;
  }

  .c-tab-nav--underline .c-tab-nav__item .c-tab-nav__btn {
    font-size: var(--font-size-sm);
    border-right: 0;
  }
}