.mainV-area {
    position: relative;
    width: 100%;
    min-height: 100svh;
    overflow: hidden;
}
.slide-img {
    min-height: 100svh;
    background: url(../images/mainvisual.jpeg) center center no-repeat;
    background-size: cover;
}
.mainV_catch{
    position: absolute;
    left: 0;
    top: 35%;
    width: 100%;
    z-index: 100;
    color: #fff;
}
.mainV-catchArea_en{
    padding-left: 251px;
    font-family: "Cormorant Garamond", system-ui;
    font-weight: 400;
    font-size: 106px;
    line-height: 1.0;
    letter-spacing: 0.075rem;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
}    
.mainV_catchArea_ja{
    position: relative;
    margin-top: 20px;
    padding-left: 23px;
    font-size: 14px;
    letter-spacing: 0.075rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
.mainV_catchArea_ja_title{
    font-weight: 500;
}
.mainV_catchArea_ja p{
    padding-top: 20px;
}
.mainV_catchArea_ja span{
    font-size: larger;
}
.mainV-area::after{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100vh;
    min-height: 100svh;
    background-color: rgba(38, 38, 38, 0.4);
    background-size: cover;
    z-index: 10;
}
/* animation */
.slide-img {
    opacity: 0;
    transform: scale(1.1); /* ちょっと大きめにしておく */
    animation: fadeInScale 1.5s ease-out forwards;
}
@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}
/* catch-en */
.mainV-catchArea_en {
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInLeft 1s ease-out 0.8s forwards;
}
@keyframes fadeInLeft {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}
/* catch-ja */
.mainV_catchArea_ja {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 2s ease-out 1.2s forwards;
}
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
/* scroll bound */
.scroll_down a {
    display: inline-block;
    animation: bounce 1.5s infinite ease-in-out;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}
.intro-sec{
    background: url(/assets/images/bg_img.png) center center no-repeat;
    background-size: cover;
    padding-top: 5.5rem;
    padding-bottom: 150px;
}
/* title animate */
.heading-wrapper,
.heading-wrapper_company {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.heading-wrapper.visible,
.heading-wrapper_company.visible {
    opacity: 1;
    transform: translateY(0);
}
/* news release ///////////////////////////////////////////////////////////////////////////////// */
.top-news_inner,
.top-company_inner,
.top-service_wrap,
.top-case{
    padding: 0 24px;
}
.heading-wrapper{
    max-width: 1200px;
}
.heading-news{
    margin: 0 0 10px 0;
}
.heading-wrapper h2,
.heading-wrapper_company h2{
    font-size: 3rem;
    line-height: 1.4;
    letter-spacing: -0.001em;
    padding-bottom: 10px;
    color: #0574b0;
}
.heading_ja{
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: 0.025em;
    font-family: "Zen Kaku Gothic New", sans-serif;
    color: #12182e;
    margin-top: 0;
}
.heading_ja::before{
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #0574b0;
    border-radius: 50%;
    margin-right: 10px;
}
.top-news_list{
    border-bottom: solid 1px #d7dbeb;
    transition: all .3s;
}
.top-news_data{
    line-height: 2;
    padding-top: 10px;
}
.top-news_date{
    font-size: 0.875rem;
    font-weight: bold;
    line-height: 1.8;
    letter-spacing: 0.025em;
    color: rgb(143, 147, 168);
}
.top-news_bnr{
    display: block;
    background: #0574b0;
    color: #fff;
    width: 90px;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.8;
    text-align: center;
    padding: 2px 12px 4px;
    border-radius: 30px;
}
.top-news_text{
    line-height: 1.8;
    letter-spacing: 0.025em;
    padding-bottom: 15px;
    padding-top: 10px;
}
/* company ///////////////////////////////////////////////////////////////////////////////// */
.top-company{
    margin-top: 5.5rem;
}
.heading-wrapper_company{
    margin-bottom: 30px;
}
.top-company_img{
    margin-top: 40px;
}
.top-company_img img{
    border-radius: 20px;
}
.company_btn{
    margin-top: 20px;
}
/* animation */
.top-company_img {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
    will-change: opacity, transform;
    overflow: hidden; 
    border-radius: 20px;
}
.top-company_img.visible {
    opacity: 1;
    transform: translateX(0);
}
.top-company_img img {
    display: block;
    width: 100%;
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
    will-change: transform;
    border-radius: 16px;
}
.top-company_img:hover img {
    transform: scale(1.1);
    box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.15); 
}
.top-company_img:hover + .rgl_btn,
.top-company_img:hover + .rgl_btn > a {
    background-color: #0574b0;
    border-color: #0574b0;
    color: #ffffff;
}
.top-company_img:hover + .rgl_btn .fa-solid {
    color: #ffffff;
    transform: translateX(8px);
}
/* service ///////////////////////////////////////////////////////////////////////////////// */
.top-service_wrap{
    background: #2d3844;
    color: #fff;
}
.heading-service{
    padding: 120px 0 70px 0;
}
.heading-wrapper.heading-service h2,
.heading_ja-service{
    color: #fff;
}
.heading-service h2{
    font-size: 3.5rem;
}
.top-service_inner{
    display: grid;
    grid-auto-columns: 1fr;
    gap: 70px;
    padding-bottom: 166px;
}
.top-service_texts{
    position: relative;
}
.top-service_texts_en{
    display: inline;
    position: absolute;
    top: 23px;
    left: 40px;
    font-weight: 500;
}
.top-service_texts_numb{
    position: relative;
    font-size: 1.75rem;
    font-weight: bold;
}
.top-service_texts_numb::after{
    content: "";
    position: absolute;
    display: block;
    width: 35px;
    height: 1px;
    background-color: #fff;
    top: 70%;
    left: 11px;
    transform: translateY(-50%) rotate(-55deg);
}
.top-service_texts h3{
    font-size: 2rem;
    margin-top: 10px;
}
.top-service_text{
    margin-top: 30px;
    line-height: 2;
}
.service_btn{
    margin: 0 auto;
}
.rgl_btn.service_btn{
    border-color: #fff;
}
.rgl_btn.service_btn > a{
    color: #fff;
}
.top-service_img{
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease-out, transform 1s ease-out;
    will-change: opacity, transform;
}
.top-service_img.visible {
    opacity: 1;
    transform: translateY(0);
}
.top-service_img img{
    border-radius: 16px;
    margin: 40px 0;
    display: block;
    width: 100%;
    transition: transform 0.5s ease-out;
}
/* case ///////////////////////////////////////////////////////////////////////////////// */
.top-case{
    margin: 6rem 0;
}
.top-case_wrap{
    position: relative;
}
.heading-case{
    margin-bottom: 30px;
}
.top-case_inner{
    display: grid;
    gap: 40px;
}
.top-case_in_link{
    display: flex;
    gap: 12px;
    flex-direction: column-reverse;
    color: inherit;
    text-decoration: none;
    height: 100%;
}
.top-case_in_txt {
    width: 100%;
    padding-left: 10px; 
}
.top-case_in_img {
    opacity: 0;
    transition: opacity 1s ease-out;
    overflow: hidden;
    border-radius: 16px;
    position: relative;
    will-change: transform;
}
.top-case_in_img.visible {
    opacity: 1;
}
.top-case_in_img img{
    border-radius: 16px;
    display: block;
    width: 100%;
    max-width: 530px;
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}
.top-case_in_img:hover img {
    transform: scale(1.1);
    box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.15); 
}
.top-case_in_txt p {
    position: relative;
    display: inline-block;
}
.top-case_in_txt p::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    height: 2px;
    width: 100%;
    background: #0574b0;
    transform: scale(0, 1);
    transform-origin: right top;
    transition: transform 0.3s;
}
.top-case_in:hover .top-case_in_txt p::after {
    transform: scale(1, 1);
    transform-origin: left top;    
}
/* bg_case */
.case-section {
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 130px;
    background-image: url('/assets/images/bg_case.png');
    background-size: cover;
    background-position: center center;
    background-repeat: repeat-x;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 2s ease-out, transform 2s ease-out;
}
.case-section.visible {
    opacity: 0.5;
    transform: translateY(0);
}

@media only screen and (max-width: 900px) {
    .mainV-catchArea_en{
        padding-left: 20px;
        font-family: "Cormorant Garamond", system-ui;
        font-weight: 400;
        font-size: 15vw;
        line-height: 1.0;
        letter-spacing: -0.03em;
    }
    /* sp adjust animate */
    .heading-wrapper,
    .heading-wrapper_company {
        transform: translateY(10px);
    }
    .top-company_img {
        transform: translateX(20px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }
    .top-service_img {
        transform: translateY(20px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    }
    .top-case_in_img img{
        transition: transform 0.2s ease-out;
    }
    .top-case_in_img:hover img {
        transform: scale(1.1); 
        box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.1); 
    }
    .footer-sitemap_wrap{
        padding-top: 35px;
    }    
}
@media only screen and (min-width: 900px) {
    #company,#case,#news{
        scroll-margin-top: 150px;
    }
    h3{
        font-size: 1.75rem;
        letter-spacing: 0.04em;
    }
    .mainV_catchArea_ja{
        margin-top: 30px;
        padding: 0 0 0 260px;
        font-size: 18px;
        line-height: 1.4;
        letter-spacing: 0.09em;    
    }
    .mainV_catchArea_ja p{
        padding: 50px 0px 0px 255px;
        font-size: 16px;   
    }
    .intro-sec{
        padding-top: 150px;
        padding-bottom: 15%;
    }
/* news release ///////////////////////////////////////////////////////////////////////////////// */
    .heading-wrapper h2,
    .heading-wrapper_company h2{
        line-height: 1.3;
        font-size: 3.75rem;
        font-weight: 600;  
        letter-spacing: 0em;
        padding-bottom: 15px;     
    }
    .top-news_in{
        max-width: 900px;
        margin: 0 auto;
    }
    .top-news_lists{
        margin-top: 20px;
    }
    .top-news_list{
        display: flex;
        align-items: baseline;
        gap: 20px;
    }
    .top-news_data{
        display: flex;
        align-items: center;
    }
    .top-news_bnr{
        margin-left: 13px;
    }
    .top-news_text{
        padding: 20px 0;
        font-size: 1rem;
    }
    .news_btn{
        margin: 60px 0 0 0;
    }
/* company ///////////////////////////////////////////////////////////////////////////////// */
    .top-company{
        margin-top: 150px;
    }
    .heading-wrapper.heading-company{
        padding-bottom: 0;
        padding-top: 30px;
    }
    .top-company_in{
        display: flex;
        flex-direction: row;
        align-items: center;
    }
    .top-company_txts{
        position: relative;
        display: grid;
        gap: 20px;
        flex-basis: 50%;
        padding-bottom: 80px;
        letter-spacing: 0.025em;
        line-height: 1.8;
    }
    .heading-wrapper_company{
        margin-bottom: 40px;
    }
    .top-company_txt{
        line-height: 2.4;
    }
    .top-company_txt.visible p:nth-child(1) {
        margin-bottom: 30px;
    }
    .company_btn{
        position: absolute;
        bottom: 0;
        right: 0;
    }
    .top-company_img{
        flex-basis: calc(50% + 40px);
        margin: 60px 0;
        margin-left: 90px;
    }
    .top-company_img a{
        text-align: -webkit-right;
    }
    .company_btn {
        margin-top: 60px;
    }
/* service ///////////////////////////////////////////////////////////////////////////////// */
.heading-service {
    padding: 13% 0 7% 0;
}
.heading-service h2{
    font-size: 4.5rem;
    letter-spacing: 0.05em;
}
.top-service_inner{
    margin: 0 8%;
    padding-bottom: 20%;
    gap: 120px;
}
.top-service_in{
    display: flex;
    align-items: center;
    gap: 40px;
}
.top-service_texts{
    flex-basis: 55%;
    padding: 30px 50px 30px 0;
}
.top-service_texts_numb{
    font-size: 2.75rem;
}
.top-service_texts_numb::after{
    width: 50px;
    height: 2px;
    top: 70%;
    left: 19px;
    transform: translateY(-50%) rotate(-60deg);
}
.top-service_texts_en{
    top: 75px;
    left: 55px;
}
.top-service_texts h3{
    font-size: 2.25rem;
    margin-top: 20px;
}
.top-service_text{
    line-height: 2.2;
    font-size: 1.1rem;
}
.top-service_img{
    flex-basis: 45%;
}
.top-service_img img{
    margin: 30px 10px;
    max-width: 100%;
    height: auto;
}
.service_btn{
    margin: 40px auto 0 auto;
}
/* case ///////////////////////////////////////////////////////////////////////////////// */
.top-case {
    margin: 10% 0;
}
.top-case_inner{
    grid-template-columns: repeat(3, 1fr);
    padding-top: 48px;
    padding-right: 2%;
    padding-left: 2%;
    gap: 20px;
}
.top-case_in {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px;
    border-radius: 8px;
    transition: transform 0.3s ease-in-out;
}
.top-case_in_link{
    align-items: center;
    color: inherit;
    width: 100%;
}
.top-case_in_txt{
    text-align: left;
    padding-top: 10px;
    width: 100%;
}
.top-news_date {
    font-size: 0.875rem;
    font-weight: bold;
    line-height: 1.8;
    letter-spacing: 0.025em;
    color: rgb(143, 147, 168);
    display: block;
}
.top-case_in_img img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}
.case_btn {
    margin: 50px auto 0;
    text-align: center;
}
.case-section{
    width: 100%;
    height: 290px;
    background-size: 100% auto;
    top: 65%;
}
}

@media only screen and (min-width: 1200px){
    .heading-wrapper,
    .top-company_in{
        margin: 0 10% auto;
    }
}
/* tablet ipad-mini 縦 */
@media screen and (min-device-width: 768px) and (max-device-width: 834px) and (orientation: portrait) {
    .top-service_texts_en{
        top: 60px;
    }
}
  
@media (min-width: 600px) and (max-width: 1280px) {
    .intro-sec,
    .heading-service,
    .top-service_inner,
    .heading-case{
        max-width: 900px;
        margin: 0 auto;
    }
    .heading-wrapper_company{
        margin-bottom: 20px;
    }
    .top-company_txt{
        padding-left: 20px;
        padding-right: 40px;
    }
    .top-company_img{
        margin-left: 0;
    }
    .top-company_img img{
        width: 100%;
    }
    .company_btn{
        margin-right: 25px;
    }
    .top-service_texts{
        padding: 40px 20px 40px 0;
    }
    .top-service_img{
        flex-basis: 50%;
    }
    .top-case_inner{
        justify-content: center;
        padding-right: 0;
        padding-left: 0;
    }
    .top-case_in{
        padding: 16px 0;
    }
    .cnav_title img{
        width: 30%;
    }


}