/*アコーディオンcss*/

@media (min-width: 768px) {
    details summary .answer{
        background-color: #f00;
        display:none;
    }
}



summary {
    position: relative;
    max-width: 600px;
    padding: 10px 50px 10px 20px;
    cursor: pointer;
    background-color: #6db526;
    color: #fff;
    margin: 10px auto;
}

summary::-webkit-details-marker {
    position: absolute;
    color: transparent;
}

summary:hover,
details[open] summary {
    background-color: #006f00;
    margin-bottom: 0px;
}



summary::after {
    content: '+';
    font-size: 130%;
    position: absolute;
    top: 45%;
    right: 30px;
    transform: translateY(-50%);
    transition: transform.5s;
}

details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.answer {
    padding: 5px 5px;
    background-color:;
    max-width: 630px;
    margin: auto;
}

.answer p {
    background: none;
}

details[open] .answer {
    animation: fadein .5s ease-in-out;
}






@keyframes fadein {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

/*アコーディオンcss*/