/*-------------------------
  Topページ
-------------------------*/
/* --- accordion --- */
.gnav-tab .tab-item .tab-title.accordion-title.is-active:before {
    transform-origin: right top;
    top: 50%;
    transform: rotate(135deg) translateY(-50%);
    left: -6px;
    margin-top: 3px;
}
.gnav-tab .tab-item--small.accordion-target {
    display: none;
    opacity: 0;
    transition: opacity 0.5s, display 0.3s;
    transition-behavior: allow-discrete;
}
.gnav-tab .tab-item--small.accordion-target.is-active {
    display: flex;
    opacity: 1;
    @starting-style {
        opacity: 0;
    }
}