*,h1,h2,h3,h4,h5,p,a{
    font-family: "yu-gothic-pr6n", sans-serif;
    font-family:  sans-serif;
    font-weight: 400;
    font-style: normal;
    color: #707070;
    letter-spacing: normal;
    /* outline: 2px solid blue; */
    /* max-width:100% */
}
img,a{
    display: block;
}
.header{
    padding: 0 50px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    background: #fff;
    height: 70px;
    box-shadow: 0px 3px 10px 0px rgba(0, 0, 0, 0.1);
    z-index: 10;
}
.header-logo{
    width: 130px;
}
.header-info-btn{
    border: 3px solid #707070;
    color: #707070;
    font-size: 16px;
    font-weight: bold;
    padding: 5px 15px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-in;
}
.info-sp{
    display: none;
}
.header-mail-icon{
    width: 40px;
}
.btn-bg{
    position: absolute;
    top: -350px;
    left: -350px;
    width: 400px;
    height: 400px;
    transform: rotate(45deg);
    background: #707070;
    z-index: -1;
    transition: all 0.5s ease-in;
}
.header-info-btn:hover .btn-bg{
    top: -250px;
    left: -250px;
    transition: all 0.5s ease-out;
}
.header-info-btn:hover{
    color: #fff;
    transition: all 0.5s ease-out;
}
.contact-btn{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    bottom: 145px;
    right: 20px;
    background: rgba(196, 182, 154, 1);
    padding: 20px;
    z-index: 999;
    transition: all 0.3s;
}
.contact-btn:hover{
    /* outline: 5px solid #000; */
    transition: all 0.3s;
    /* background: rgba(196, 182, 154, 1); */
}
.contact-btn-second{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    bottom: 30px;
    right: 20px;
    background: rgba(88, 85, 85, 1);
    padding: 20px;
    z-index: 999;
    transition: all 0.3s;
}
.contact-btn:hover .contact-arrow{
    transition: all 0.3s;
    left: 20px;
    opacity: 1;
}
.contact-btn-second:hover .contact-arrow{
    transition: all 0.3s;
    left: 20px;
    opacity: 1;
}
.contact-text{
    color: #fff;
    font-size: 14px;
    letter-spacing: 0em;
    font-weight: bold;
    text-align: center;
    line-height: 2;
    padding-bottom: 10px;
}
.arrow{
    position: relative;
}
.contact-arrow{
    max-width: 120px;
    position: absolute;
    bottom: 10px;
    left: -80px;
    opacity: 0;
    transition: all 0.3s;
}
.con-btn{
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s;
}
.con-btn.is-active{
    opacity: 1;
    visibility: visible;
    transition: all 0.5s;
}
.fv-section{
    position: relative;
}
.fv-section::after{
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: #434242;
    background: #000;
    opacity: 0.5;
    z-index: 1;
}
.slider{
    width: 100%;
    height: 100vh;
    overflow: hidden;
}
.slide{
    width: 100%;
    height: 100vh;
    object-fit: cover;
    object-position: top;
}
.add-animation {
    /* アニメーション名 アニメーションにかかる時間 アニメーションの実行前後の状態 */
    /* zoom-fade 10秒 [実行前]最初のキーフレーム（0%） → [実行後]最後のキーフレーム（100%） */
    animation: zoom-fade 10s both;
  }
  
  @keyframes zoom-fade {
  
    0% {
      /*transform: scale(1.05);*/
      transform: scale(1);
    }
  
    100% {
      /*transform: scale(1);*/
      transform: scale(1.1);
    }
}
.fv-text-area{
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    bottom: 0px;
    height: 100%;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-content: center;
    flex-direction: column;
    flex-wrap: wrap;
}
.fv-first-text{
    font-size: 20px;
    line-height: 2;
    color: #fff;
    text-align: center;
    border: 2px solid #fff;
    width: 250px;
    margin: 0 auto;
    font-weight: bold;
}
.fv-logo{
    width: 250px;
    margin: 40px auto;
}
.fv-second-text{
    font-size: 20px;
    line-height: 2;
    color: #fff;
    text-align: center;
    font-weight: bold;
}
.title-section{
    height: 300px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}
.main-title{
    font-size: 40px;
    font-weight: bold;
    text-align: center;
    color: #3B3B3B;
    line-height: 1.2;
}
.sub-title{
    font-size: 25px;
    line-height: 1.8;
    color: #5b5b5b;
    position: relative;
    text-align: center;
}
.sub-title::before{
    position: absolute;
    top: 22px;
    left: -55px;
    content: "";
    width: 40px;
    border-bottom: 2px solid #5b5b5b;
}
.sub-title::after{
    position: absolute;
    top: 22px;
    right: -50px;
    content: "";
    width: 40px;
    border-bottom: 2px solid #5b5b5b;
}
.article-container::before{
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-image: url(assets/img/about-bg.webp);
    background-position: 0 0;
    background-size: cover;
    z-index: -1;
}
.article-container{
    padding: 150px 0px;
}
.article-content{
    background: rgba(255, 255, 255, 0.9);
    margin: 50px auto;
    width: 1080px;
    padding: 140px 120px;
}
.article-title{
    font-size: 60px;
    font-weight: bold;
    line-height: 1.5;
    color: #3B3B3B;
    text-align: right;
    width: 560px;
    position: relative;
}
.article-title::before{
    content: "";
    width: 100px;
    position: absolute;
    top: 45px;
    left: 10px;
    border: 2px solid #3B3B3B;
}
.article-title-btm{
    font-size: 60px;
    font-weight: bold;
    line-height: 1.2;
    color: #3B3B3B;
    margin-bottom: 40px;
}
.article-text{
    font-size: 20px;
    font-weight: bold;
    color: #5b5b5b;
    line-height: 2;
}
.font-a{
    font-size: 12px;
    color: #5b5b5b;
    font-weight: bold;
}
.font-b{
    font-size: 35px;
    color: #3b3b3b;
    /* text-shadow: #000 0px 0 2px; */
    font-weight: 900;
    position: relative;
    overflow: hidden;
    display: block;
    max-width: 100%;
    line-height: 2.3;
    z-index: 20;
    /* margin: 10px 0 20px 0; */
}
.font-b::after{
    position: absolute;
    bottom: 10px;
    left: -150%;
    content: "";
    width: 620px;
    height: 60px;
    /* clip-path: polygon(1% 0%, 100% 0, 99% 100%, 0% 100%); */
    background:  #3b3b3b;
    background:  rgba(223, 237, 28, 0.8);
    /* background:  #000; */
    transition: all 4s;
    z-index: -1;
}
.font-b.is-active.font-b::after{
    left:-30px;
}
.article-btm-img{
    /* display: flex; */
    margin: 40px 0 0 0;
}
.article-btm-img img{
    width: 50%;
    height: auto;
    flex-shrink: 0;
    border: 1px solid #000;
    margin: 0 50px 0 0;
    flex-shrink: 0;
}
.article-btm-text{
    font-size: 14px;
    color: #5b5b5b;
    font-weight: bold;
    line-height: 2;
    margin-top: 40px;
}
.company-section{
    width: 100%;
    height: 100%;
    margin-top: -10px;
    overflow: hidden;
    padding: 100px 0;
    background-image: url(assets/img/sponsors-bg.png);
    background-position: 40% 40%;
    background-size: cover;
}
.company-title{
    font-size: 25px;
    line-height: 1;
    letter-spacing: 0.00em;
    color: #fff;
    text-align: center;
    padding: 100px 0 50px 0;
}
.company-container {
    display: flex;
    justify-content: left;
    flex-wrap: wrap;
    margin: 50px auto;
    width: 1080px;
    max-width: 100%;
    gap: 0 100px;
}
.company-content{
    width: 290px;
    margin: 50px 0;
}
.company-content:hover.company-content img{
    transform: scale(1.2);
    transition: all 0.5s;
}
.company-img-outer{
    width: 290px;
    height: 160px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}
.company-img-outer::before{
    content: "詳細を見る";
    font-size: 14px;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    position: absolute;
    top: 0px;
    left: 0px;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px;
    z-index: 4;
    opacity: 0;
    transition: all 0.5s;
}
.company-content:hover .company-img-outer::before{
    opacity: 1;
    transition: all 0.5s;
}
.company-content img{
    width: 290px;
    height: 160px;
    background: gray;
    transition: all 0.5s;
}
.company-name{
    font-size: 16px;
    margin-top: 10px;
    color: #fff;
    text-align: center;
}
.footer{
    background: #D2D2D2;
    padding: 30px 0 15px 0;
}
.footer-logo{
    width: 250px;
    margin: 0 auto;
    display: block;
}
.footer-cp{
    font-size: 14px;
    margin-top: 20px;
    text-align: center;
    color: #333;
}

@media screen and (min-width:1450px) {
    .fv-first-text{
        width: calc((100vw - 1450px)/3 + 250px);
        font-size:  calc((100vw - 1450px)/40 + 20px);
    }
    .fv-logo{
        width: calc((100vw - 1450px)/3 + 250px);
    }
    .fv-second-text{
        font-size:  calc((100vw - 1450px)/40 + 20px);
    }
}
@media screen and (max-width:1200px) {
    .contact-btn{
        bottom: 110px;
    }
    .con-btn{
        padding: 10px;
    }
    .contact-text{
        font-size: 11px;
    }
    .contact-arrow{
        max-width: auto;
        width: 90px;
    }
    .contact-btn:hover .contact-arrow{
        left: 10px;
    }
    .contact-btn-second:hover .contact-arrow{
        left: 10px;
    }
    .article-container{
        padding: 80px 0;
    }
    .article-content{
        width: 90%;
        padding: 100px 50px;
    }
    .article-title-btm{
        margin-bottom: 50px;
    }
    .company-container{
        flex-wrap: wrap;
        justify-content: center;
        padding: 0 30px;
    }
    .company-content{
        margin: 30px;
    }
    .footer-logo{
        width: 250px;
    }
}
@media screen and (max-width:1000px) {
    .header-logo{
        width: 120px;
    }
    .header-info-btn{
        display: none;
    }
    .info-sp{
        display: block;
        font-size: 40px;
        color: #3B3B3B;
    }
    .fv-first-text{
        font-size: 20px;
        text-align: center;
        /* border: 2px solid #fff; */
        width: 250px;
    }
    .fv-logo{
        width: 250px;
        margin: 30px auto;
    }
    .fv-second-text{
        font-size: 20px;
        line-height: 40px;
    }
    .title-section{
        height: 300px;
    }
    .main-title{
        font-size: 40px;
        line-height: 1.2;
    }
    .sub-title{
        font-size: 25px;
    }
    .sub-title::before{
        top: 25px;
        left: -55px;
        width: 40px;
    }
    .sub-title::after{
        top: 25px;
        right: -55px;
        width: 40px;
    }
    .article-title{
        font-size: 40px;
        line-height: 1.4;
        width: 375px;
    }
    .article-title::before{
        content: "";
        width: 70px;
        top: 26px;
        left: 10px;
    }
    .article-title-btm{
        font-size: 40px;
        line-height: 1.4;
        margin-bottom: 40px;
    }
    .article-text{
        font-size: 20px;
    }
    .article-btm-text{
        font-size: 16px;
        line-height: 2.2;
        padding-right: 50px;
        width: 100%;
    }
    .font-a{
        font-size: 14px;
    }
    .font-b{
        width: 500px;
        font-size: 30px;
        line-height: 2.5;
    }
    .article-btm-img{
        display: block;
        margin: 100px 0 0 0;
    }
    .article-btm-img img{
        width: 80%;
        margin: 0 0 30px 0;
    }
    .article-btm-text{
        font-size: 18px;
        font-weight: bold;
        line-height: 2;
        padding: 0;
    }
    .company-section{
        margin-top: -20px;
    }
    .company-container{
        margin: 0px auto;
    }
    .company-title{
        /* font-size: 20px; */
    }
    .company-name{
        font-size: 18px;
    }
}
@media screen and (max-width:768px) {
    .header{
        height: 50px;
        padding: 0 30px;
    }
    .header-logo{
        width: 80px;
    }
    .info-sp{
        font-size: 35px;
    }
    .title-section{
        height: 200px;
    }
    .main-title{
        font-size: 30px;
    }
    .sub-title{
        font-size: 20px;
    }
    .sub-title::before {
        top: 18px;
        left: -45px;
        width: 30px;
        border-bottom: 1px solid #5b5b5b;
    }
    .sub-title::after {
        top: 18px;
        right: -45px;
        width: 30px;
        border-bottom: 1px solid #5b5b5b;
    }
    .fv-text-area{
        top: 0;
    }
    .article-text{
        font-size: 16px;
    }
    .font-a{
        font-size: 12px;
    }
    .font-b{
        font-size: 25px;
    }
    .font-b::after{
        width: 460px;
        height: 40px;
    }
    .article-btm-img{
        margin-top: 50px;
    }
    .article-btm-text{
        font-size: 16px;
    }
    .company-section{
    background-position: 50% 50%;
    }
    .company-title {
        font-size: 25px;
        padding: 50px 0;
    }
    .footer-logo{
        width: 180px;
    }
    .footer-cp{
        margin-top: 10px;
        font-size: 12px;
    }
}
@media screen and (max-width:650px) {
    .article-content{
        padding: 60px 50px;
    }
    .article-text{
        font-size: 14px;
    }
    .article-btm-text{
        font-size: 14px;
    }
}
@media screen and (max-width:600px) {
    .title-section{
        height: 150px;
    }
    .article-container{
        padding: 40px 0;
    }
    .article-title{
        font-size: 30px;
        width: 280px;
    }
    .article-title::before{
        width: 50px;
        top: 20px;
        left: 5px;
        border-bottom: 1px solid #3b3b3b;
    }
    .article-title-btm{
        font-size: 30px;
        margin-bottom: 30px;
    }
    .font-a{
        font-size: 8px;
    }
    .font-b{
        font-size: 20px;
        width: 350px;
    }
    .font-b::after{
        width: 370px;
        height: 30px;
    }
    .article-btm-img{
        margin-top: 50px;
    }
    .company-section{
        padding: 100px 0;
    }
    .company-title{
        font-size: 20px;
    }
    .company-name {
        font-size: 16px;
        margin-top: 5px;
    }
    .footer{
        padding: 20px 0 10px 0;
    }
}
@media screen and (max-width:550px) {
    .article-content{
        padding: 50px 30px;
    }
    .article-title-btm{
        margin-bottom: 20px;
    }
    .article-btm-img img {
        width: 100%;
        margin: 0 0 10px 0;
    }
}
@media screen and (max-width:500px) {
    .article-title::before{
        width: 45px;
        height: 2px;
        background: #3B3B3B;
        /* top: 24px; */
        left: 5px;
        border: none;
    }
    .article-content{
        padding: 40px 20px;
    }
    .article-text{
        font-size: 12px;
    }
    .font-b{
        font-size: 18px;
        width: 320px;
    }
    .font-b::after{
        width: 335px;
        height: 25px;
    }
    .article-btm-text{
        font-size: 10px;
        margin-top: 20px;
    }
}
@media screen and (max-width:450px) {
    .con-btn{
        padding: 8px;
    }
    .contact-btn{
        bottom: 85px;
        right: 10px;
    }
    .contact-btn-second{
        bottom: 20px;
        right: 10px;
    }
    .contact-text{
        font-size: 8px;
    }
    .contact-arrow{
        width: 64px;
    }
    .article-container{
        padding: 20px 0;
    }
    .article-title-btm{
        margin-bottom: 10px;
    }
    .article-text{
        font-size: 10px;
    }
    .font-b{
        font-size: 16px;
        width: 300px;
    }
    .font-b::after{
        width: 300px;
        bottom: 7px;
    }
    .article-btm-img{
        margin-top: 30px;
    }
    .article-btm-img img{
        margin-bottom: 10px;
    }
    .article-btm-text{
        font-size: 10px;
    }
    .company-section{
        padding-bottom: 50px;
    }
    .company-title{
        font-size: 16px;
        padding: 0 0 30px 0;
    }
    .company-name{
        font-size: 12px;
    }
    .footer-logo{
        width: 150px;
    }
}
@media screen and (max-width:375px) {
    .sub-title{
        font-size: 18px;
    }
    .sub-title::before {
        top: 16px;
        left: -35px;
        width: 25px;
        border-bottom: 1px solid #5b5b5b;
    }
    .sub-title::after {
        top: 16px;
        right: -35px;
        width: 25px;
        border-bottom: 1px solid #5b5b5b;
    }
    .article-title{
        font-size: 25px;
        width: 235px;
    }
    .article-title::before{
        width: 40px;
        top: 16px;
        left: 5px;
        border-bottom: 1px solid #3b3b3b;
    }
    .article-title-btm{
        font-size: 25px;
        margin-bottom: 20px;
    }
    .article-text,.article-btm-text{
        font-size: 8px;
    }
    .font-a{
        font-size: 6px;
    }
    .font-b{
        font-size: 14px;
        line-height: 2;
        width: 260px;
    }
    .font-b::after{
        width: 270px;
        bottom: 0;
    }
    .company-section{
        /* padding: 0; */
    }
    .company-title{
        font-size: 14px;
    }
}