.page-header-sp-menu {
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    display: none;
}

@media(max-width:576px) {
    .page-header-sp-menu {
        display: block;
    }
}

/* 疑似要素で線を作成 */
.page-header-sp-menu::before,
.page-header-sp-menu::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: #000;
    transition: 0.3s ease;
    border-radius: 2px;
}

.page-header-sp-menu::before {
    top: 6px;
}

.page-header-sp-menu::after {
    bottom: 6px;
}

/* メニューが開いているときの× */
.page-header-sp-menu.active::before {
    transform: rotate(45deg);
    top: 10px;
}

.page-header-sp-menu.active::after {
    transform: rotate(-45deg);
    bottom: 10px;
}

.page_title {
    display: block;
}

@media(max-width:576px) {
    .page_title {
        display: none;
    }
}