/* トップバナー */
.seo-header-banner img {
    width: 100%;
}

.seo-header-banner {
    margin: 2em auto;
    padding: 1em;
}
/* 追従バナー */
.download-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px 0;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(5px);
    text-align: center;
    z-index: 9999;
    box-shadow: 0 -2px 8px rgba(0,0,0,.1);
}

.download-link {
    display: inline-block;
    background: linear-gradient(180deg,#ff9800,#ff6b00);
    color:#fff;
    padding:16px 42px;
    border-radius:50px;
    font-size:18px;
    font-weight:bold;
    text-decoration:none;
    box-shadow:0 4px 12px rgba(255,122,0,.35);
    transition:.3s;
}

.download-link:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 20px rgba(255,122,0,.45);
}