/* オーバーレイ広告（参考テーマと同じデザイン） */
.golf-gakko-overlay-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.golf-gakko-popup {
    background-color: #fff5cc;
    border-radius: 20px;
    padding: 30px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.golf-gakko-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 30px;
    cursor: pointer;
    color: #666;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    pointer-events: auto;
}

.golf-gakko-popup-header {
    text-align: center;
    margin-bottom: 20px;
}

.golf-gakko-popup-header h2 {
    font-size: 32px;
    font-weight: bold;
    margin: 0 0 10px;
    color: #333;
}

.golf-gakko-popup-subtitle {
    font-size: 20px;
    margin: 0 0 5px;
    color: #333;
}

.golf-gakko-popup-image {
    text-align: center;
    margin: 20px 0;
}

.golf-gakko-popup-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.golf-gakko-popup-cta {
    text-align: center;
    margin-top: 20px;
}

.golf-gakko-popup-button {
    display: inline-block;
    padding: 15px 40px;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 20px;
    font-weight: bold;
    transition: opacity 0.3s;
}

.golf-gakko-popup-button:hover {
    opacity: 0.9;
}

@media (max-width: 600px) {
    .golf-gakko-popup {
        padding: 20px;
    }

    .golf-gakko-popup-header h2 {
        font-size: 24px;
    }

    .golf-gakko-popup-subtitle {
        font-size: 16px;
    }

    .golf-gakko-popup-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}