/*==================================
特定のTOPICS記事にLPのFVを挿入
===================================*/
.fv {
    background: url(../img/knowhow/topics/fv-bg3.webp) no-repeat;
    background-size: cover;
    background-position-x: right;
    width: 100%;
    padding: 92px 0 0;
    /*max-height: 700px;*/
    @media screen and (max-width: 599px) {
        background: url(../img/knowhow/topics/fv-bg3-sp.webp) no-repeat;
        background-size: 100%;
        background-position-x: right;
        background-position-y: top;
        display: inline-block;
        padding: 60px 0 0;
    }
    > * {
        box-sizing: content-box;
    }
    .fv-wrap {
        max-width: 800px;
        margin: 0 auto;
        padding-right: 25rem;
        @media screen and (max-width: 599px) {
            padding: 0 20px;
        }
        .main-txt {
            max-width: 500px;
            margin: 0 auto;
            width: 35vw;
            @media screen and (max-width: 599px) {
                width: 50%;
                margin: 0;
            }
        }
        .sub-txt {
            width: 55vw;
            margin: -50px auto -20px;
            max-width: 800px;
            @media screen and (max-width: 768px) {
                margin: -30px auto -10px;
            }
            @media screen and (max-width: 599px) {
                margin: 40px 0 10px;
                width: 100%;
            }
        }
        a.btn {
            font-weight: bold;
            color: #fff;
            font-size: 30px;
            line-height: 1;
            text-align: center;
            text-decoration: none;
            display: block;
            width: 80%;
            max-width: 700px;
            margin: 0 auto;
            padding: 25px 0;
            background: #bd1f1f;
            border-radius: 5px;
            position: relative;
            box-shadow: 0px 5px 20px 0px rgba(0, 0, 0, 0.15);
            &:hover {
                transform: translateY(5px);
                -webkit-box-shadow: none;
                box-shadow: none;
                opacity: 1 !important;
            }
            &:after {
                content: '';
                background: url(../img/knowhow/topics/arrow.webp) no-repeat;
                display: block;
                width: 30px;
                height: 30px;
                position: absolute;
                top: 50%;
                right: 20px;
                transform: translateY(-50%);
                -webkit-transform: translateY(-50%);
                -ms-transform: translateY(-50%);
            }
            @media screen and (max-width: 599px) {
                width: 100%;
                font-size: 24px;
                &::after {
                    background-size: contain;
                    width: 20px;
                    height: 20px;
                }
            }
        }
        a.btn-flash {
            overflow: hidden;
        }
        a.btn-flash::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background-image: linear-gradient(130deg, rgba(255, 255, 255, 0) 20%, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0) 80%);
            transition: .5s;
        }
        a.btn-flash:hover::before {
            top: 0;
            left: 100%;
        }
        >span {
            font-size: 10px;
            color: #4b4b4b;
            line-height: 1.2;
            display: block;
            padding: 15px 0;
            margin: 0 auto;
            max-width: 640px;
        }
    }
}