*{
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    letter-spacing: 0.05em;
}
html{
    /* scroll-behavior: smooth; */
}
.font-zen{
    font-family: "Zen Antique", serif;
    font-weight: 400;
    font-style: normal;
}
a:hover{
    opacity: 1;
}
.ac-850,.ac-700{
    display: none;
}

.lang-change{
    position: fixed;
    top: 40px;
    right: 0;
    z-index: 999;
    border-top: 2px solid #333;
    border-left: 2px solid #333;
    border-bottom: 2px solid #333;
    color: #333;
    padding: 2px 5px;
    background: #f8f8f8;
    border-radius: 10px 0 0 10px;
}
.lang-change:before{
    position: absolute;
    top: 8px;
    left: 53px;
    content: "";
    border-right: 2px solid #333;
    height: 30px;
}
.lang-btn{
    padding: 4px 8px;
    margin: 5px;
    display: inline-block;
    transition: all 0.5s ease-out;
}
.lang-btn:hover{
    background: #333;
    color: #f8f8f8;
    transition: all 0.5s ease-out;
}

.h-link-btn{
    z-index: 999;
}
.h-link-contact{
    position: fixed;
    top: 100px;
    right: 0;
}
.h-link-product{
    position: fixed;
    bottom: 40px;
    right: 0;
    z-index: 999;
}
.fv-section{
    position: relative;
    background: #fff;
    min-height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 80px 0;
}
.fv-bg{
    background-image: url(./img/AdobeStock_294836125\ 1.webp);
    background-image: url(./img/fv-bg.webp);
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.fv-center{
    /* width: 1200px; */
    width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.fv-slider{
    width: 600px;
}
.fv-slider .slick-slide {
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fv-right{
}
.fv-ttl{
    font-size: 60px;
    /* font-weight: 500; */
    color: #000;
    /* text-shadow: 2px 3px 5px rgb(234, 234, 234) */
}
.fv-txt{
    font-size: 17px;
    font-weight: 500;
    color: #333333;
    margin: 20px 0 40px 0;
}
.fv-com-name{
    width: 220px;
    width: 380px;
    text-align: center;
    padding: 10px;
    padding: 10px;
    /* background: #843131; */
    background: #333;
    color: #f8f8f8;
    font-size: 14px;
    font-weight: 400;
    margin-top: 20px;
}
.fv-btns{
    width: 380px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.fv-btn{
    display: inline-block;
    background: #f8f8f8;
    border: 1px solid #333;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 40px;
    margin: 50px 0px 20px 0;
    position: relative;
    transition: all 0.5s ease-out;
}
.fv-btn::before{
    content: "→";
    font-size: 20px;
    color: #fff;
    width: 25px;
    height: 25px;
    background: #843131;
    position: absolute;
    top: 10px;
    /* bottom: -1px; */
    left: -14px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.5s ease-out;
}

.fv-btn:hover{
    transition: all 0.5s ease-out;
    border: 1px solid #843131;
    color: #fff;
    background: #843131;
}
.fv-btn:hover.fv-btn::before{
    transition: all 0.5s ease-out;
    transform: translateX(20px);
}
.about-section{
    padding: 150px 0 150px 0;
    /* background: #000; */
    /* position: relative; */
}
.about-bg{
    position: absolute;
    position: fixed;
    display: block;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 0 0;
    z-index: -1;
}
.about-sec-main{
    width: 1200px;
    margin: 0 auto;
}
.about-sec-top{
    display: flex;
    justify-content: space-between;
}
.about-ttl-f{
}
.about-ttl-f h2{
    color: #fff;
    font-size: 48px;
    font-weight: bold;
    line-height: 1;
    letter-spacing: 0.2em;
}
.about-ttl-f p{
    color: #fff;
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-top: 10px;
}
.about-ttl-s{
    margin-top: 120px;
    text-align: center;
}
.about-ttl-s p{
    color: #fff;
    font-size: 20px;
    /* margin-bottom: -12px; */
    font-weight: 500;
    letter-spacing: 0.1em;
}
.about-ttl-s h3{
    font-weight: 500;
    color: #fff;
    font-size: 20px;
    letter-spacing: 0.1em;
}
.about-ttl-s h3 span{
    color: #fff;
    font-size: 32px;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-left: 5px;

}
.about-top-txt-area{
    width: 740px;
}
.about-top-txt-area p{
    color: #dddddd;
    font-size: 18px;
    line-height: 1.7;
    letter-spacing: 0.02em;
}


.tech-section{
    background: #333;
    padding: 100px 0 150px 0;
}
.tech-inner{
    /* width: 770px; */
    width: 1000px;
    margin: 0 auto;
}
.tech-ttl{
    color: #f8f8f8;
    font-size: 50px;
    letter-spacing: 0.15em;
    line-height: 2;
}
.tech-txt{
    color: #c4c4c4;
    font-size: 20px;
    margin: 15px auto 50px auto;
    letter-spacing: 0.2em;
    line-height: 1.7;
}
.tech-btn{
    background: #f8f8f8;
    box-shadow: 0px 0px 15px #6b6b6b;
    color: #333;
    /* border-radius: 50px; */
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    margin: 50px auto;
    padding: 20px;
}
.tech-video{
    display: block;
    object-fit: cover;
    width: 100%;
    height: 500px;
    margin: 0 auto;
    background: #f8f8f8;
    /* border: 2px solid #f8f8f8; */
}
.about-sec-btm{
    /* padding: 40px 0; */
    /* width: 730px; */
    /* margin: 0 auto; */
}
.about-sec-btm-f{
    display: block;
    width: 600px;
}
.about-sec-btm-s{
    display: block;
    width: 500px;
    margin-left: 500px;
    transform: translateY(-50px);
}

.product-section{
    background: #D9D9D9;
    padding: 150px 0 200px 0;
}
.product-main{
    width: 1200px;
    margin: 0 auto;
}
.product-ttl{
    font-size: 48px;
    color: #404040;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
    text-align: center;
}
.product-txt{
    margin: 58px 0 130px 0;
    text-align: center;
    font-size: 18px;
    color: #404040;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.7;
}

.product-slider{
    width: 900px;
    margin: 0 auto;
}
.p-slide-outer{
    width: 400px;
    margin: 0 auto;
    background: #404040;
    transition: all 0.5s ease-out;
    padding: 28px;
    /* margin: 0 50px; */
    display: flex;
    align-items: center;
    justify-content: center;
}
.p-slide-outer{
    transition: all 0.5s ease-out;
    transform: scale(.8);
}
.slick-center .p-slide-outer{
    transition: all 0.5s ease-out;
    transform: scale(1);
}
.p-slide-inner{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.product-slide img{
    display: block;
    margin: 0 auto;
    height: 150px;
    transition: all 0.5s ease-out;
}
.slick-current .p-slide-outer:hover{
    scale: calc(1.1);
    transition: all 0.5s ease-out;
}
.product-content-txt{
    color: #e8e8e8;
    font-size: 14px;
    font-weight: 500;
    width: 170px;
    text-align: center;
    margin-top: 20px;
    letter-spacing: 0.2em;
    line-height: 1.8;
    margin: 20px auto 0 auto;
    width: 160px;
    height: 30px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product-content-txt img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.product-content-txt span{
    /* font-size: 14px; */
}
.product-btn{
    text-align: center;
    font-size: 16px;
    background: #7B7B7B;
    color: #e8e8e8;
    width: 140px;
    padding: 5px 0;
}
.slick-prev::before{
    font-size: 30px;
    font-weight: 400;
}
.slick-next::before{
    font-size: 30px;
    font-weight: 400;
}
.slick-prev{
    left: 160px;
    z-index: 9;
}
.slick-next{
    right: 160px;
}

.footer-main{
    background-image: url(./img/footer-bg.webp);
    background-position: 0 0;
    background-size: cover;
    padding: 60px 0 30px 0;
}
.footer-inner{
    width: 1000px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.8);
    padding: 75px 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-logo{
    width: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}
.footer-logo:hover{
    opacity: 0.7;
}
.footer-inner-right{
    width: 500px;
}
.footer-txt{
    font-size: 16px;
    margin-bottom: 10px;
}
.footer-tel{
    font-size: 16px;
}
.footer-tel:hover{
    /* opacity: 0.7; */
    border-bottom: 1px solid #000;
}
.footer-inner-b{
    border-top: 1px solid #000;
    padding-top: 20px;
    margin-top: 20px;
}
.footer-btns{
    display: flex;
    align-items: center;
}
.footer-btn{
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    margin-right: 20px;
}
.footer-btn-arrow{
    display: inline-block;
    position: relative;
    width: 18px;
    height: 18px;
    background: #000;
    margin-left: 5px;
    overflow: hidden;
}
.footer-btn-arrow::before{
    position: absolute;
    top: -1px;
    left: 2px;
    content: "→";
    font-size: 14px;
    color: #fff;
    transition: all 0.5s ease-out;
}
.footer-btn-arrow::after{
    position: absolute;
    top: -1px;
    left: -40px;
    content: "→";
    font-size: 14px;
    color: #fff;
    transition: all 0.5s ease-out;
}
.footer-btn:hover .footer-btn-arrow::before{
    left: 40px;
    transition: all 0.5s ease-out;
}
.footer-btn:hover .footer-btn-arrow::after{
    left: 2px;
    transition: all 0.5s ease-out;
}
.footer-cp{
    font-size: 14px;
    color: #fff;
    text-align: center;
    margin-top: 30px;
}

.product-single-section{
    background: rgba(14, 0, 0, 0.7);
    background: rgba(26, 0, 0, 0.8);
    padding: 150px 76px;
    position: relative;
}
.single-bg{
    background-image: url(./img/single-bg.webp);
    background-size: cover;
    opacity: 0.2;
    z-index: -1;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.single-section-inner{
    width: 1200px;
    margin: 0 auto;
}
.single-img-list{
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}
.single-img-list-sp{
    display: none;
}
.single-img-item{
    width: 200px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
}
.single-img-item img{
    width: 100%;
    height: 100%;
    border-radius: 10px;
    object-fit: cover;
}
.single-btm-area{
    margin: 80px 0;
}
.single-btm-ttl{
    color: #d3d3d3;
    color: #fff;
    /* color: #111; */
    font-size: 50px;
    line-height: 1.2;
    letter-spacing: 0.08em;
    margin: 0 auto 100px auto;
    text-align: center;
    position: relative;
    width: 500px;
    /* width: 800px; */
    height: 100px;
    /* height: 160px; */
    display: flex;
    justify-content: center;
    align-items: center;
}

.single-btm-ttl img{
    /* opacity: 0.7; */
    /* object-fit: cover; */
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.single-btm-ttl::before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
}
.single-btm-txt{
    margin: 35px 0;
    margin: 35px 0 60px 0;
    padding-bottom: 60px;
    padding-bottom: 35px;
    border-bottom: 1px solid #e8e8e8;
    border-bottom: 1px solid #d3d3d3;
    /* border-bottom: 1px solid #222; */
    color: #e8e8e8;
    color: #d3d3d3;
    /* color: #222; */
    font-size: 18px;
    line-height: 2.2;
    letter-spacing: 0;
}
.product-info-item{
    font-size: 26px;
    font-weight: 500;
    line-height: 2;
    letter-spacing: 0.01em;
    color: #e8e8e8;
    color: #d3d3d3;
    /* color: #222; */
    margin-bottom: 20px;
}
.product-info-before{
    font-size: 18px;
    line-height: 2;
    letter-spacing: 0;
    color: #e8e8e8;
    color: #d3d3d3;
    /* color: #222; */
}
.product-small-txt{
    font-size: 14px;
    line-height: 2;
    letter-spacing: 0;
    color: #e8e8e8;
    color: #d3d3d3;
    /* color: #222; */
    margin-left: 20px;
}
.product-btns{
    display: flex;
    justify-content: space-between;
    justify-content: center;
    align-items: center;
    gap: 0 40px;
    margin: 110px auto 0 auto;
}
.product-single-btn{
    width: 400px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #D9D9D9;
    color: #333;
    font-size: 20px;
    letter-spacing: 0.1em;
    font-weight: bold;
    border-radius: 10px;
}
.product-single-btn:hover{
    opacity: 0.7;
}
.contact-btn{
}
.back-btn{
    color: #d9d9d9;
    background: #333;
}

.en-content.fv-center{
    gap: 0 50px;
}
.en-content.fv-ttl{
    line-height: 1.3;
}
.en-content.product-content-txt{
    line-height: 1.4;
}

.fade-in{
    opacity: 0;
}
.fade-in.is-active{
    opacity: 1;
    transition: all 1s ease-out;
    transition-delay: 0.5s;
}
.fade-btm{
    opacity: 0;
    transform: translateY(200px);
}
.fade-btm.is-active{
    opacity: 1;
    transform: translateY(0px);
    transition: all 1s ease-out;
}
.fade-items{
    opacity: 0;
}
.fade-items.is-active{
    opacity: 1;
    transition: all 1.8s ease-out;
    transition-delay: 0.5s;
}
.single-section-inner.fade-items{}
.single-section-inner.fade-items.is-active{
    transition-delay: 0s;
}

.about-bg-pc{}
.about-bg-sp{
    display: none;
}
@media screen and (min-width:1600px){
    .fv-center{
        width: 1500px;
    }
    .fv-right{
        margin-left: 50px;
    }
    .fv-slider{
        width: 800px;
    }
    .fv-ttl{
        font-size: 80px;
    }
    .fv-txt{
        font-size: 24px;
    }
    .fv-btns{
        margin: 0 auto;
    }
}
@media screen and (max-width:1400px){
    .single-section-inner{
        width: 920px;
    }
}
@media screen and (max-width:1300px){
    .about-sec-main{
        width: 1000px;
    }
}
@media screen and (max-width:1200px){
    .fv-slider .slick-slide {
        height: 400px;
        width: auto;
    }
    .fv-center{
        flex-direction: column;
        width: auto;
    }
    .fv-right{
        margin-top: 50px;
        margin-top: 0px;
    }
    .fv-ttl{
        margin-top: 40px;
        letter-spacing: 0;
    }
    .fv-txt{
        /* margin-bottom: 50px; */
        margin-bottom: 0px;
    }
    .fv-ttl,.fv-txt{
        margin-left: 60px;
    }
    .fv-btns{
        margin: 0 auto;
    }
    .product-main{
        width: auto;
    }
    .footer-main{
        padding: 60px 60px 30px 60px;
    }
    .footer-inner{
        width: auto;
    }
    
    .single-bg{
    }

    .en-content.fv-center{
        gap: 0;
    }
    .en-content.fv-ttl{
        margin-left: 0;
        text-align: center;
    }
    .en-content.fv-txt{
        margin-left: 0;
        text-align: center;
    }
}
@media screen and (max-width:1100px){
    .break-1100{
        display: none;
    }
    .about-section{
        /* padding: 150px 60px; */
    }
    .about-sec-top{
        flex-direction: column;
    }
    .about-sec-main{
        width: 770px;
    }
    .about-ttl-s{
        margin: 30px 0;
        display: flex;
        align-items: center;
        gap: 0 20px;
    }
    .about-ttl-s p{
        font-size: 25px;
    }
    .about-ttl-s h3{
        font-size: 25px;
        transform: translateY(-6px);
    }
    .about-top-txt-area p{
        font-size: 16px;
    }
    .about-ttl-s h3{
        /* transform: translateY(5px); */
    }
    .about-ttl-s h3 span{
        letter-spacing: 0.05em;
        margin-left: 10px;
        font-size: 40px;
    }
    .about-top-txt-area{
        width: auto;
    }
    .tech-section{
        /* padding: 100px 60px 150px 60px; */
    }
    .tech-inner{
        width: 770px;
    }
    .tech-ttl{
        font-size: 40px;
        text-align: center;
        letter-spacing: 0.1em;
    }
    .tech-txt{
        margin-top: 15px;
    }
    .tech-btm{
        /* width: 700px; */
        margin: 0 auto;
    }
    .about-sec-btm-f{
        width: 450px;
    }
    .about-sec-btm-s{
        width: 350px;
        margin-left: 350px;
    }
    .tech-btn{
        margin-top: 50px;
    }
    .footer-inner {
        justify-content: center;
        gap: 0 50px;
        padding: 60px 40px;
    }

    .single-section-inner {
        width: auto;
    }
    .single-img-list{
        width: 680px;
        margin: 0 auto;
    }
}
@media screen and (max-width:1000px){
    
    .product-slider{
        width: 700px;
    }
    .p-slide-outer{
        width: 320px;
    }
    .slick-prev{
        left: 120px;
    }
    .slick-next{
        right: 120px;
    }

    .product-single-section{
        padding: 100px 60px;
    }
    .product-single-btn {
        width: 250px;
        height: 80px;
    }
}
@media screen and (max-width:900px){
    .product-small-txt{
        display: block;
        margin: 0;
        transform: translateY(-10px);
    }
}
@media screen and (max-width:850px){
    .ac-850{
        display: block;
    }
    .about-section{
        padding: 150px 60px;
    }
    .about-sec-main{
        width: auto;
    }
    .tech-section{
        padding: 100px 60px 150px 60px;
    }
    .tech-inner{
        width: auto;
    }
    .tech-ttl{
        text-align: left;
        line-height: 1.5;
        font-size: 50px;
    }
    .tech-txt {
        margin: 25px auto 70px auto;
        line-height: 1.5;
    }
    .about-sec-btm{
        position: relative;
        margin-bottom: 300px;
    }
    .about-sec-btm-s{
        margin: 0;
        position: absolute;
        bottom: -250px;
        right: 0px;
    }
    .footer-inner{
        gap: 0 25px;
    }

    .single-btm-ttl {
        font-size: 40px;
        margin: 0 auto 70px auto;
        width: 400px;
        height: 75px;
    }
    .single-bg{
        opacity: 0.4;
        background-position: bottom left;
    }
    .single-img-list{
        width: 600px;
        /* width: auto; */
        gap: 20px;
    }
    .single-img-item {
        width: 135px;
        height: 135px;
    }
}
@media screen and (max-width:750px){
    .ac-750{
        display: block;
    }
    .about-section{
        padding: 150px 40px;
    }
    .tech-section {
        padding: 100px 40px 150px 40px;
    }
    .tech-video{
        height: 400px;
    }
    .footer-main{
        padding: 80px 40px 30px 40px;
    }
    .footer-inner{
        padding: 40px 20px;
    }
    .footer-inner{
        flex-direction: column;
    }
    .footer-logo{
        width: 280px;
        margin-bottom: 20px;
    }
    .about-ttl-s{
        flex-direction: column;
        align-items: start;
        gap: 5px 0;
        margin: 40px 0;
    }
    .about-ttl-s p{
        letter-spacing: 0.04em;
        font-size: 22px;
    }
    .about-ttl-s h3{
        font-size: 22px;
    }
    .about-ttl-s h3 span{
        font-size: 30px;
    }
    
    .about-sec-btm {
        /* margin-bottom: 200px; */
    }
    .about-sec-btm-f {
        width: 450px;
    }
    .about-sec-btm-s {
        width: 350px;
        bottom: -240px;
    }
    .tech-ttl{
        font-size: 40px;
    }
    .tech-txt{
        font-size: 18px;
        margin: 15px auto 30px auto;
    }
    .product-slider{
        width: 500px;
    }
    .p-slide-outer{
        width: 400px;
    }
    .slick-prev{
        left: 0px;
    }
    .slick-next{
        right: 0px;
    }
    .product-txt{
        margin: 30px 0 60px 0;
    }
    .product-section{
        padding-bottom: 120px;
    }
    .footer-inner-right{
        width: auto;
    }
    .footer-txt,.footer-tel{
        font-size: 20px;
    }
    .footer-btn{
        font-size: 20px;
        margin-right: 40px;
    }

    .product-single-section{
        padding: 100px 40px;
    }
    .single-img-list{
        width: auto;
        gap: 20px;
        justify-content: center;
        margin-bottom: 50px;
    }
    .single-img-item{
        width: 45%;
        height: auto;
        border-radius: 10px;
        overflow: hidden;
    }
    .single-btm-txt{
        line-height: 1.7;
    }
    .single-btm-area{
        margin: 0;
    }
    .single-btm-txt{
        margin-bottom: 35px;
    }
    .product-info-item{
        margin-bottom: 10px;
    }

    .about-bg-pc{
        display: none;
    }
    .about-bg-sp{
        width: 100%;
        height: 100%;
        display: block;
        object-position: 0 0;
    }
}
@media screen and (max-width:700px){
    .ac-700{
        display: block;
    }
}
@media screen and (max-width:650px){
    .fv-slider{
        width: 400px;
    }
    .fv-ttl{
        margin-top: 20px;
    }
    .about-section{
        padding: 100px 40px;
    }
    .tech-section {
        padding: 60px 40px 100px 40px;
    }
    .tech-video{
        height: 300px;
    }
    .product-section{
        padding: 100px 40px;
    }
    .product-ttl{
        font-size: 40px;
    }
    .product-txt {
        font-size: 16px;
        letter-spacing: 0;
        line-height: 1.5;
    }
    .about-sec-btm {
        margin-bottom: 180px;
    }
    .about-sec-btm-f{
        width: 330px;
    }
    .about-sec-btm-s{
        width: 260px;
        bottom: -180px;
    }
    .footer-txt, .footer-tel {
        font-size: 16px;
    }
    .footer-btn{
        font-size: 16px;
    }
    .footer-txt{
        margin-bottom: 5px;
    }
    .footer-inner-b{
        margin-top: 15px;
        padding-top: 15px;
    }

    .single-btm-txt{
        line-height: 1.5;
    }
    .product-single-btn {
        width: 200px;
        height: 65px;
        font-size: 18px;
    }
    .single-img-list{
        display: none;
    }
    .single-img-list-sp{
        display: block;
        margin-bottom: 50px;
    }
    .single-img-list-sp li{
        padding: 0 40px;
    }
    .product-info-item{
        font-size: 22px;
    }
    .product-info-before{
        font-size: 16px;
    }
    .product-btns{
        margin-top: 80px;
    }
}
@media screen and (max-width:600px){
    .product-slider{
        width: 400px;
        width: auto;
    }
    .p-slide-outer{
        width: 300px;
        width: auto;
        margin: 0 40px;
        padding: 30px 10px 20px 10px;
    }
    .product-content-txt{
        margin-top: 10px;
    }
    .tech-ttl{
        font-size: 30px;
    }
    .tech-txt{
        font-size: 16px;
    }
}
@media screen and (max-width:550px){
    .break-550{
        display: none;
    }
    *{
        /* outline: 2px solid blue; */
    }
}
@media screen and (max-width:500px){
    .fv-slider{
        width: 300px;
    }
    .fv-slider .slick-slide {
        height: 300px;
    }
    .fv-ttl{
        font-size: 50px;
        margin-top: 20px;
    }
    .fv-txt {
        font-size: 14px;
    }
    .fv-btns{
        width: 260px;
        flex-direction: column;
        margin: 50px auto;
    }
    .fv-btn{
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }
    .about-sec-btm {
        margin-bottom: 150px;
    }
    .about-sec-btm-f {
        width: 260px;
    }
    .about-sec-btm-s {
        width: 190px;
        bottom: -130px;
    }
    .footer-btns{
        flex-direction: column;
        align-items: start;
        gap: 7px 0;
    }
    .footer-logo{
        width: 200px;
    }

    .single-btm-ttl {
        font-size: 32px;
        margin: 0 auto 40px auto;
        width: 300px;
        height: 63px;
    }

    .en-content.fv-txt{
        padding: 0 30px;
    }
}
@media screen and (max-width:450px){
    .break-450{
        display: none;
    }
    .fv-ttl{
        font-size: 45px;
        margin-left: 30px;
    }
    .fv-txt{
        margin-left: 0px;
        text-align: center;
    }
    .fv-btns{
        /* margin-top: 80px; */
    }
    .about-section{
        padding: 70px 30px;
    }
    .about-ttl-s h3 {
        transform: translateY(-15px);
    }
    .tech-section{
        padding: 70px 30px 100px 30px;
    }
    .tech-btn{
        width: auto;
    }
    .footer-main{
        padding: 60px 20px 20px 20px;
    }
    .product-section{
        padding: 80px 0px;
    }
    .product-txt{
        padding: 0 30px;
    }
    .p-slide-outer{
        width: auto;
    }
    .slick-prev {
        left: 25px;
    }
    .slick-next {
        right: 30px;
    }
    .p-slide-outer {
        margin: 0 20px;
        padding: 20px 10px;
    }
    .footer-cp{
        margin-top: 20px;
    }

    .product-single-section{
        padding: 120px 20px 80px 20px;
    }
    .single-btm-ttl{
        margin-bottom: 20px;
    }
    .single-btm-txt{
        margin: 10px 0 30px 0;
    }
    .product-info-item{
        margin-bottom: 5px;
    }
    .single-img-list-sp {
        margin-bottom: 30px;
    }
    .single-img-list-sp li{
        padding: 20px;
    }
    .single-img-list-sp .slick-prev{
        left: -15px;
    }
    .single-img-list-sp .slick-next{
        right: -5px;
    }
    .product-btns{
        flex-direction: column;
        gap: 15px 0;
        margin-top: 40px;
        font-size: 18px;
    }
    .product-single-btn{
        width: 100%;
    }
    .product-info-item{
        font-size: 20px;
    }
    .product-small-txt{
        font-size: 12px;
    }
}
@media screen and (max-width:370px){
    .single-btm-ttl {
        font-size: 25px;
        width: 250px;
        height: 55px;
    }
}
@media screen and (max-width:1300px){}



/* 2026.2.21 */
.scroll-arrow{
    position: fixed;
    bottom: 20px;
    right: 0;
    left: 0;
    margin: 0 auto;
    width: 30px;
    height: 70px;
    z-index: 999;
    animation: loop_animation_right 1.5s infinite;
}
.scroll-arrow.hide{
    display: none;
}
.scroll-arrow::before{
    position: absolute;
    top: 0;
    left: 15px;
    width: 2px;
    height: 100%;
    background: #333;
    content: "";
}
.scroll-arrow::after{
    position: absolute;
    bottom: 0;
    left: 23px;
    width: 2px;
    height: 30px;
    transform: rotate(30deg);
    background: #333;
    content: "";
}
@keyframes loop_animation_right {
  0% {
    transform: translateY(-30px);
    opacity: 0;
  }
  100% {
    transform: translateY(0px);
    opacity: 1;
  }
}