main {
    overflow: hidden;
}

/* .c-sec {
    padding-top: clamp(var(--size-10), 10vw, var(--size-20));
    padding-bottom: clamp(var(--size-10), 10vw, var(--size-20));
} */


header h1 {
    display: inline-block;
}

#sec-mv {
    height: calc(100vh - var(--height-header));
    background: linear-gradient(to bottom,
            var(--color-gray-50) 0,
            var(--color-gray-50) calc(100% - 320px),
            var(--color-primary-500) calc(100% - 320px),
            var(--color-primary-500) 100%);
    position: relative;
}




#sec-mv .l-mv-img {
    right: 0;
    top: 0;
    width: 70%;
    height: calc(100vh - var(--size-20));
    border-radius: 0 0 0 var(--size-005);
    position: absolute;
    z-index: 5;
    overflow: hidden;
}

#sec-mv .l-mv-img-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1);
    animation: mv-anim 22s ease-in-out infinite;
}

#sec-mv .l-mv-img-item:nth-child(1) {
    background-image: url(../img/top/mv_01.webp);
    animation-delay: -2s;
}

#sec-mv .l-mv-img-item:nth-child(2) {
    background-image: url(../img/top/mv_02.webp);
    animation-delay: 6s;
}

#sec-mv .l-mv-img-item:nth-child(3) {
    background-image: url(../img/top/mv_03.webp);
    animation-delay: 14s;
}

@keyframes mv-anim {
    0% {
        opacity: 0;
        transform: scale(1);
    }

    6.67% {
        opacity: 1;
    }

    33.33% {
        opacity: 1;
    }

    60% {
        opacity: 0;
    }

    100% {
        opacity: 0;
        transform: scale(1.1);
    }
}

#sec-mv .l-mv-cnt {
    display: flex;
    flex-direction: column;
    justify-content: end;
    height: 100%;
    gap: var(--size-03);
    z-index: 10;
}


#sec-mv .l-mv-ttl {
    color: var(--color-primary-500);
    font-size: clamp(2.8rem, 4vw, 5.6rem);
    margin-bottom: var(--size-04);
    display: block;
}

#sec-mv .l-mv-ttl span {
    padding: var(--size-02) var(--size-005) var(--size-02) var(--size-02);
}


#sec-mv .l-mv-subttl {
    font-size: var(--font-size-xl);
    color: var(--color-gray-700);
}

#sec-mv .l-mv-subttl span {
    padding: var(--size-01) var(--size-02);
}

#sec-mv .l-mv-ttl span,
#sec-mv .l-mv-subttl span {
    background-color: var(--color-white);
    font-weight: var(--font-weight-bold);
    display: block;
    width: fit-content;
    line-height: 1;
    letter-spacing: 0.04em;
}

#sec-mv .l-mv-news {
    background-color: var(--color-white);
    padding: var(--size-02) var(--size-03);
    max-width: calc((100% - (var(--size-column) * 1)) / 2);
    ;
    margin-left: auto;
    border-radius: var(--size-005);
    font-size: var(--font-size-s);
    position: relative;
    z-index: 1;
    isolation: isolate;
    margin-bottom: var(--size-05);
}

#sec-mv .l-mv-news::before {
    width: 50vw;
    background-color: var(--color-white);
    content: "";
    position: absolute;
    height: 100%;
    z-index: -1;
    top: 0;
}

#sec-mv .p-news-date {
    margin-right: var(--size-01);
    display: inline-block;
}


#sec-mv .l-mv-flow {
    font-size: 12rem;
    font-weight: var(--font-weight-bold);
    color: rgba(255, 252, 252, 0.23);
    display: flex;
    white-space: nowrap;
    letter-spacing: 0.05em;
    bottom: 0;
    animation:
        flow-horizontal 250s linear infinite;
    position: absolute;
    line-height: 1;
    font-family: var(--font-family-en);
}

#sec-mv .l-mv-flow span {
    display: inline-block;
    padding-right: 2rem;
    transition: all 0.4s ease;
}

@keyframes flow-horizontal {
    from {
        transform: translateX(-50%);
    }

    to {
        transform: translateX(-150%);
    }
}

#sec-about,
#sec-about .c-head,
#sec-about .c-head-sec .c-head-sub,
#sec-about .c-head-sec .c-head-sub::before {
    color: var(--color-white);
}

#sec-about {
    background-color: var(--color-primary-500);
    position: relative;
    padding-top: 0;
    padding-bottom: 0;
}

#sec-about .l-about {
    padding-top: clamp(var(--size-05), 10vw, var(--size-10));
    padding-bottom: clamp(var(--size-10), 10vw, var(--size-20));
}

#sec-about .l-about-text {
    line-height: 2;
    font-size: var(--font-size-l);
    text-wrap: nowrap;
}

#sec-about .l-about-img {
    position: relative;
    display: flex;
    align-items: center;
}

#sec-about .l-about-img svg {
    position: absolute;
    left: 0;
    width: 1188px;
    height: 1165px;
    /* width: auto;
    height: 100%; */
    max-width: none;
    max-height: none;
    display: block;
    top: 50%;
    transform: translateY(-50%);
}



.line {
    fill: none !important;
    stroke: #ffffff;
    stroke-width: 1;
    stroke-dasharray: var(--length);
    stroke-dashoffset: var(--length);
}

#sec-about.is-view .line {
    animation: draw-line 1.4s ease-out forwards;
}

@keyframes draw-line {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes pop-node {
    to {
        opacity: 1;
        transform: scale(1);
    }
}


.dashed {
    stroke-dasharray: 6 6;
    opacity: 0.4;
    animation-duration: 2.4s;
}

.node {
    fill: var(--color-white);
}




#sec-service {
    background-color: var(--color-white);
    padding: 0;
}


#sec-service .l-service-dtl {
    display: flex;
    flex-direction: column;
    height: 100vh;
    justify-content: center;
    z-index: 1;
    isolation: isolate;
    position: relative;
}


#sec-service .l-service-para {
    min-height: 100vh;
    background-position: 75% top;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: contain;
    -webkit-overflow-scrolling: touch;
    z-index: 1;
    /* margin-right: calc(50% - 50vw); */
}


#sec-service .l-service-para.l-service-bg-ob {
    background-image: url(../img/top/service_ob.webp);
}

#sec-service .l-service-para.l-service-bg-02 {
    background-image: url(../img/top/service_skill.webp);
}

#sec-news {
    background-color: var(--color-gray-50);
}


#sec-org .l-org-cnt li:first-of-type {
    padding-top: var(--size-02);
    border-top: solid 1px var(--color-gray-100);
}


#sec-org .l-org-cnt li {
    padding-bottom: var(--size-02);
    border-bottom: solid 1px var(--color-gray-100);
    margin-bottom: var(--size-02);
}


#sec-org .l-org-cnt li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-l);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-500)
}



@media only screen and (max-width:1024px) {
    #sec-about .l-about-text {
        font-size: var(--font-size-m);
        text-wrap: unset;
    }

    #sec-about .l-about-img svg {
        width: auto;
        height: calc(100% + var(--size-06));
        top: calc(50% - var(--size-06));
    }
}

@media only screen and (max-width:768px) {
    #sec-mv .l-mv-img {
        width: 85%;
    }

    #sec-mv .l-mv-news {
        max-width: none;
    }

    #sec-mv .l-mv-news::before {
        width: 100vw;
    }

    #sec-about .l-about-img {
        display: none;
    }

    #sec-service .l-service-dtl {
        height: auto;
        padding: var(--size-08) 0;
    }


    #sec-service .l-service-thum {
        border-radius: var(--size-005);
        overflow: hidden;
    }


    #sec-service .l-service-img {
        display: none;
    }

}



@media (max-width: 520px) {
    #sec-mv .l-mv-img-item:nth-child(1) {
        background-image: url(../img/top/mv_sp_01.webp);
    }

    #sec-mv .l-mv-img-item:nth-child(2) {
        background-image: url(../img/top/mv_sp_02.webp);
    }

    #sec-mv .l-mv-img-item:nth-child(3) {
        background-image: url(../img/top/mv_sp_03.webp);
    }
}