/* Scroll Bottom Banner */
.sbb-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 99999;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.18);
}

.sbb-banner.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* --- 画像バナーモード --- */
.sbb-banner__link {
    display: block;
    text-decoration: none;
}

.sbb-banner__img {
    display: block;
    width: 100%;
    height: auto;
}

/* --- テキストボタンモード（既存CTA踏襲） --- */
.sbb-banner__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 16px 10px;
}

.sbb-banner__campaign {
    font-size: 11px;
    font-weight: bold;
    color: #d35400;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.sbb-banner__btn {
    display: block;
    width: 90%;
    max-width: 340px;
    padding: 12px 20px;
    background: rgb(234, 126, 18);
    color: #fff !important;
    font-size: 15px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    border-radius: 80px;
    letter-spacing: 0.5px;
    box-shadow: 0 3px 8px rgba(234, 126, 18, 0.35);
    transition: background 0.2s ease;
}

.sbb-banner__btn:hover {
    background: rgb(214, 106, 0);
}

.sbb-banner__sub {
    font-size: 10px;
    color: #888;
    margin-top: 4px;
}

/* --- 閉じるボタン --- */
.sbb-banner__close {
    position: absolute;
    top: -14px;
    right: 8px;
    width: 28px;
    height: 28px;
    border: 2px solid #fff;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 16px;
    line-height: 24px;
    text-align: center;
    cursor: pointer;
    z-index: 1;
    padding: 0;
    -webkit-appearance: none;
    appearance: none;
}

.sbb-banner__close:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* PCでは非表示 */
@media (min-width: 769px) {
    .sbb-banner {
        display: none !important;
    }
}