/* about
##################################### */
#about #main{
    overflow: hidden;
}
#about .btn_area{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin: 0 auto 80px;
}
#introduction{
    position: relative;
}
#about .intro_area{
    margin-bottom: 50px;
}
.intro_area .box_txt, .story_area .box_txt{
    margin-top: 20px;
}
.catch_txt{
    text-align: center;
    margin-top: 30px;
    line-height: 1.6;
}
.img_wrap img{
    width: 100%;
}
.img_wrap .img_01 img{
    -webkit-animation: img_01 3s linear infinite;;
    animation: img_01 3s linear infinite;;
}
.img_wrap .img_02 img{
    -webkit-animation: img_02 3s linear infinite;
    animation: img_02 3s linear infinite;
}

@-webkit-keyframes img_01{
    0% { transform: translateY(0) }
    50% { transform: translateY(-10px) }
    100% { transform: translateY(0) }
}
@keyframes img_01{
    0% { transform: translateY(0) }
    50% { transform: translateY(-10px) }
    100% { transform: translateY(0) }
}
@-webkit-keyframes img_02{
    0% { transform: translateY(-10px) }
    50% { transform: translateY(0) }
    100% { transform: translateY(-10px) }
}
@keyframes img_02{
    0% { transform: translateY(-10px) }
    50% { transform: translateY(0) }
    100% { transform: translateY(-10px) }
}

/*　accodion　*/
.menu__item {
    cursor: pointer;
    display: block;
    border: 1px solid;
}
.menu__item:not(:last-child) {
    margin-bottom: 40px;
}
.menu__item__link {
    position: relative;
    color: #0096ff;
    display: block;
    padding: 50px;
}
/*.menu__item__link:before {
    content: '';
    position: absolute;
    top: 28%;
    left: 4%;
    width: 54px;
    height: 54px;
    background: url(../images/icon-qa01.png) no-repeat center center;
    background-size: cover;
}*/
.menu__item__link:after {
    content: '';
    display: block;
    position: absolute;
    top: 38%;
    right: 3%;
    width: 36px;
    height: 36px;
    background: url(../img/about/arrow-aco.png) no-repeat center center;
    background-size: cover;
    transition: all .3s;
}
.menu__item__link.on:after {
    -moz-transform: rotateZ(-180deg);
    -webkit-transform: rotateZ(-180deg);
    -o-transform: rotateZ(-180deg);
    -ms-transform: rotateZ(-180deg);
    transform: rotateZ(-180deg);
}
.submenu {
    display: none;
}
.submenu__item span {
    display: block;
    position: relative;
    line-height: 2;
    text-align: justify;
    padding: 0 50px 50px;
}
.submenu__item span:before {
    content: '';
    position: absolute;
    top: 4%;
    left: 4%;
    width: 54px;
    height: 54px;
    background: url(../images/icon-qa02.png) no-repeat center center;
    background-size: cover;
}
.submenu__item span a {
    color: #579ade;
    text-decoration: underline;
}


/* about pc
===================================== */
@media screen and (min-width: 769px) {
    #about .btn_area{
        width: 500px;
    }
    #about .btn_hover{
        width: 200px;
    }
    .txt_wrap{
        width: 55%;
    }
    .catch_txt{
        font-size: 20px;
        font-size: 2.0rem;
    }
    .img_wrap, .img_wrap figure{
        position: absolute;
    }
    .img_wrap{
        top: 0;
        right: 50px;
        width: 500px;
    }
    .img_wrap .img_01{
        width: calc(826px / 2);
        top: -30px;
        right: 0;
    }
    .img_wrap .img_02{
        width: calc(1441px / 2);
        left: calc(50% - 5rem);
        top: 220px;
    }

/*　accodion　*/
    .faq{
        margin-top: 20px;
    }
    .menu__item__link {
        font-size: 20px;
        font-size: 2.0rem;
    }
    .submenu__item span.item01 {
        padding: 15px 120px 40px 130px;
    }
}

/* about sp
===================================== */
@media screen and (max-width: 768px) {
    #about .btn_area{
        width: 90%;
        justify-content: space-between;
    }
    #about .btn_hover{
        width: 47%;
        margin: 0;
    }
    .img_wrap{
        position: relative;
        height: 365px;
    }
    .img_wrap .img_01{
        width: calc(826px / 4);
        position: absolute;
        left: -25px;
        top: 25px;
    }
    .img_wrap .img_02{
        width: calc(1441px / 4);
        position: absolute;
        left: calc(50vw - 11rem);
        top: 11.5rem;
    }
    .catch_txt{
        font-size: 18px;
        font-size: 1.8rem;
    }
/*　accodion　*/
    .menu__item:not(:last-child) {
        margin-bottom: 1rem;
    }
    .menu__item__link {
        padding: 1.2rem 3.8rem 1.2rem 1.2rem;
    }
    .menu__item__link:before,
    .submenu__item span:before {
        width: 35px;
        height: 35px;
    }
    .menu__item__link:after {
        top: 35%;
        width: 22px;
        height: 22px;
    }
    .submenu__item span:before {
        top: 1%;
    }
    .submenu__item span {
        font-size: 12px;
        font-size: 1.2rem;
        padding: 0 1.2rem 1.2rem 1.2rem;
    }

}