footer {
    text-align:center;
}
footer img#footer_insta_icon {
    display:block;
    width:3rem;
    height:auto;
    margin:0 auto;
}
footer img#footer_himuka_logo {
    display:block;
    width:59%;
    max-width:200px;
    height:auto;
    margin:2.5rem auto 4rem;
}

/* =========================
   固定フッター
========================= */
.fixed_footer {
    position: fixed;
    bottom: 0;
    left: 50%;
    width: 100%;
    max-width: var(--phone-width);
    height: var(--footer-height);
    transform: translateX(-50%);
    z-index: 30;
    background: #fff;
}

.fixed_footer.hide {
    opacity: 0;
    pointer-events: none;
}
.footer_inner {
    display: flex;
    height: 100%;
}

.footer_btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: bold;
    text-decoration: none;
}