body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: auto;
    padding: 0px 10px;
}

img{
    max-width: 100%;
    margin: auto;
}
a{
    width: 100%;
    text-align: center;
}

.accordion {
    margin: 0 auto;
    border-radius: 5px;
    font-family: "Noto Sans JP";
}

.accordion-item {
    padding-top: 1rem;
    width: 95%;
    margin: auto;
}

.accordion-header {
    position: relative;
    width: 100%;
    padding: 0.75rem;
    text-align: left;
    background-color: #80FFCD;
    padding-right: 12%;
    border-radius: 10px;
    border: none;
    outline: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: 5px 7px 2px #444444;
    font-size: 1.65rem;
    font-weight: 900;
    color: #444444;
    font-family: "Noto Sans JP", sans-serif;
    letter-spacing: 0.0001rem;
}
.accordion-header::before{
    content:"";
    width: 15px;
    background-color: #444444;
    height: 2px;
    position: absolute;
    top: 50%;
    right: 25px;
    right: calc(5% + 5.25px);
    transform: translate(-50%, 0%) rotate(45deg);
}
.accordion-header::after{
    content:"";
    width: 15px;
    background-color: #444444;
    height: 2px;
    position: absolute;
    top: 50%;
    right: calc(5% - 5.25px);
    transform: translate(-50%,0%) rotate(-45deg);
}
.accordion-header.is-select::before{
    right: calc(5% - 5.25px);
}
.accordion-header.is-select::after{
    right: calc(5% + 5.25px);
}

.accordion-header:hover {
    opacity: 0.8;
}

.accordion-content {
    padding: 15px;
    display: none;
    margin-top: 1.5rem;
    border-radius: 10px;
    border: solid #444444 1px;
    box-shadow: 5px 7px 2px #444444;
    font-weight: 900;
    font-size: 1.25rem;
    color: #444444;
    font-family: "Noto Sans JP", sans-serif;
    letter-spacing: 0.00001rem;
    line-height: 1.25rem;
}
.cta-btn{
    margin-top: 1rem;
    text-align: center;
    display: block;
}
.cta-btn img{
    max-width: 300px;
    margin: auto;
}
@media screen and (max-width:725px){
    .accordion-header {
        font-size: 1rem;
    }
    .accordion-content {
        font-size: 0.75rem;
    }
    .accordion-header::before{
        width: 10px;
        right: calc(5% + 3px);
    }
    .accordion-header::after{
        width: 10px;
        right: calc(5% - 3px);
    }
    .accordion-header.is-select::before{
        right: calc(5% - 3px);
    }
    .accordion-header.is-select::after{
        right: calc(5% + 3px);
    }
}