.fp_faq ul{
    margin: 0;
    list-style: none;
    padding: 0;
}
.fp_faq .navi {
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
}

.fp_faq .navi li {
    border: 1px solid #00b285;
    display: block;
    box-sizing: border-box;
    position: relative;
    transition: .4s;
    width: calc(100% / 4 - 10px);
    margin: 5px 5px;

}

.fp_faq li::after {
    border-left: 1px solid #00b285;
    border-bottom: 1px solid #00b285;
    transform: rotate(-45deg);
    content: "";
    width: 5px;
    height: 5px;
    position: absolute;
    right: 0.5em;
    top: -5px;
    bottom: 0;
    margin: auto;
    transition: .4s;
}
.fp_faq .navi li a{
    padding: 1em 1.5em 1em 1em;

    display: block;
    transition: .4s;
}

.fp_faq .navi li:hover {
    background: #00b285;
}
.fp_faq .navi li:hover:after {
    border-left: 1px solid #fff;
    border-bottom: 1px solid #fff;
}

.fp_faq .navi li:hover a {
    color: #fff;
}

.fp_faq h2 {
    padding: 0.5em;
    background-color: #00b285;
    color: #f7f7f7;
    font-weight: bold;
    margin: 1em 0 2em;
}

.fp_faq dt {
    position: relative;
    cursor: pointer;
    font-weight: bold;
    border-bottom: 4px solid #00b285;
    padding:1em 0 1em 2em;
}
.fp_faq dt p{
    margin: auto;
}

.fp_faq dt::before{
    width: 10px;
    height: 2px;
    content: "";
    display: block;
    position: absolute;
    left: 10px;
    margin: auto;
    top: 0;
    bottom: 0;
    background-color: #9c9c9c;
}

.fp_faq dt:after{
    width: 2px;
    height: 10px;
    content: "";
    display: block;
    position: absolute;
    left: 14px;
    margin: auto;
    top: 0;
    bottom: 0;
    background-color: #9c9c9c;
    transition: .4s;

}
.fp_faq dt.open:after{
    opacity: 0;
}

.fp_faq dd {
    padding:1em 0 1em 2em;
    margin: auto;
    display: none;
}
.fp_faq dd p{
    margin: auto;
    line-height: 1.8em;
}

.fp_faq dd a{
    text-decoration: underline;
}

.fp_faq .faq_item{
    margin: 0 auto 5%;
}


/* 幅1000px以下 */
@media screen and (max-width: 1000px) {
    .fp_faq .navi li {
        width: calc(100% / 3 - 10px);
    }
    
}

@media screen and (max-width: 640px) {
    .fp_faq .navi li {
        width: calc(100% / 2 - 10px);
    }
}