@charset "shift_jis";
/* CSS Document */
/*fv*/
#mainimage {
    position: relative;
    width: 100%;
    background: url("../img/tw_about_us_img/mainimage_bg.jpg") center center no-repeat;
    background-size: cover;
    height: 230px;
}
@media print, screen and (min-width:768px) {
    #mainimage {
        height: 300px;
    }
}
#mainimage .mainimg_box {
    display: grid;
    grid-template-areas:
        "a a a a a a"
        "a a a a a a"
        "a a a a a a"
        "b b b b b b"
        "b b b b b b"
        "b b b b b b";
}
#mainimage .mainimg_box .mainimg01 {
    grid-area: a;
    background: url("../img/index_img/bg_mainimage01.jpg") center center no-repeat;
    background-size: cover;
}
#mainimage .mainimg_box .mainimg02 {
    grid-area: b;
    background: url("../img/index_img/bg_mainimage02.jpg") center left no-repeat;
    background-size: cover;
}
#mainimage .mainimg_box figure {
    position: relative;
    padding: 130px 0;
}
#mainimage .mainimg_box figure::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
}
#mainimage .mainimg_box figure img {
    width: 100%;
    height: auto;
}
#mainimage #maincatch {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
#mainimage #maincatch .japan_taiwan {
    margin-bottom: 30px;
}
#mainimage #maincatch .japan_taiwan p {
    font-size: 24px;
    font-weight: bold;
}
#mainimage #maincatch .japan_taiwan .arrow_box {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
}
#mainimage #maincatch .japan_taiwan .arrow_box .arrow {
    position: relative;
    width: 3px;
    height: 50px;
    background: rgba(0, 61, 166, 0.3);
    overflow: hidden;
}
#mainimage #maincatch .japan_taiwan .arrow_box .arrow:not(:last-of-type) {
    margin-right: 20px;
}
#mainimage #maincatch .japan_taiwan .arrow_box .arrow::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    width: 3px;
    height: 8px;
    background: #003da6;
    box-shadow: 0 0 2px rgba(0, 61, 166, 0.6);
}
#mainimage #maincatch .japan_taiwan .arrow_box .arrow_to_bottom::before {
    top: 0;
    animation: 1.5s infinite ease-out arrowTobottom;
}
#mainimage #maincatch .japan_taiwan .arrow_box .arrow_to_top::before {
    bottom: 0;
    animation: 1.5s infinite ease-out arrowTotop;
}
#mainimage #maincatch .japan_taiwan .arrow_box.sp_none {
    display: none;
}
#mainimage #maincatch h2 {
    font-size: 28px;
    font-weight: bold;
}
#mainimage .btn_mainimg a {
    text-decoration: none;
    display: block;
    width: 90%;
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    background: #f90;
    padding: 10px 20px;
}
@keyframes arrowTobottom {
    0% {
        top: -9px;
    }
    100% {
        top: 60px;
    }
}
@keyframes arrowTotop {
    0% {
        bottom: -9px;
    }
    100% {
        bottom: 60px;
    }
}
@media print, screen and (min-width:768px) {
    #mainimage .mainimg_box {
        grid-template-areas:
            "a a a b b b"
            "a a a b b b"
            "a a a b b b"
            "a a a b b b"
            "a a a b b b"
            "a a a b b b";
    }
    #mainimage .mainimg_box figure {
        position: relative;
        padding: 300px 0;
    }
    #mainimage #maincatch .japan_taiwan {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    #mainimage #maincatch .japan_taiwan p {
        font-size: 36px;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box {
        margin: 0 30px;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box.sp_none {
        display: flex;
        flex-direction: column;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box.pc_none {
        display: none;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box .arrow {
        position: relative;
        width: 80px;
        height: 3px;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box .arrow:not(:last-of-type) {
        margin-right: 0;
        margin-bottom: 20px;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box .arrow::before {
        left: auto;
        right: auto;
        top: 0;
        bottom: 0;
        margin: auto;
        width: 8px;
        height: 3px;
        background: #003da6;
        box-shadow: 0 0 2px rgba(0, 61, 166, 0.6);
    }
    #mainimage #maincatch .japan_taiwan .arrow_box .arrow_to_right::before {
        left: 0;
        animation: 1.5s infinite ease-out arrowToright;
    }
    #mainimage #maincatch .japan_taiwan .arrow_box .arrow_to_left::before {
        right: 0;
        animation: 1.5s infinite ease-out arrowToleft;
    }
    #mainimage #maincatch h2 {
        font-size: 54px;
    }
    #mainimage .btn_mainimg a {
        min-width: 360px;
        padding: 20px 30px;
    }
}
@keyframes arrowToright {
    0% {
        left: -9px;
    }
    100% {
        left: 82px;
    }
}
@keyframes arrowToleft {
    0% {
        right: -9px;
    }
    100% {
        right: 82px;
    }
}
section img {
    width: 100%;
    height: auto;
}
section {
    text-align: left;
    padding: 50px 0;
}
section .title01 {
    text-align: center;
}
#sec01 p {
    margin: 20px 0;
}
#sec01 ul {
    margin: 40px 0;
}


#sec02 .spec-item {
    margin-bottom: 15px;
    padding-left: 20px;
    text-align: left;
    font-size: clamp(1rem, -0.125rem + 3.13vw, 1.375rem);
}
#sec02 .spec-item strong {
    color: #003da6;
    display: block;
    margin-bottom: 4px;
    font-size: clamp(1.5rem, -0.75rem + 5.21vw, 2rem);
}
#sec02 .spec-detail {
    display: inline-block;
    font-size: clamp(1.25rem, -0.125rem + 3.13vw, 1.8rem);
    line-height: 1.8;
}
#sec03 p {
    margin: 20px 0;
}

#valtec_fv {
    width: 100%;
    position: relative;
    padding: 0;
}
@media print, screen and (min-width:992px) {
    #valtec_fv {
        margin-top: 120px;
    }
}