/* #sub_menu{
    display: none;
} */

/* ------------------------------------------------------------------------------------------- */
.menu {
    position: relative;
    z-index: 1;
    display: none;
}
.menu nav {
    width: 100%; height: 60px;
    background-color: #fff;
    box-shadow: 2px 2px 5px #33333377;
    position: absolute;
    bottom: -30px; left: 50%;
    transform: translateX(-50%);
}
.menu nav ul {
    text-align: center;
    line-height: 55px;
}
.menu nav ul li {
    display: inline-block;
    color: #1b4a99;
    margin-right: 20px;
    position: relative;
    cursor: pointer;
}
.menu nav ul li a {
    color: #1b4a99;
    font-size: 18px;
}
.menu nav ul li:first-child {
    font-weight: bold;
}
.menu nav ul li:last-child {
    margin-right: 0px;
}
.menu nav ul li:first-child::before{
    display: none;
}
.menu nav ul li::before {
    content: '';
    background-color: #1b4a99;
    width: 1px; height: 18px;
    position: absolute;
    top: 3px; left: -10px;
}
.cont01 {
    background-color: #edf4ff;
}
.cont01 .top_text {
    width: 1550px;
    display: flex;
    justify-content: space-between;
    padding-top: 50px;
    padding-left: 20px;
}
.cont01 .top_text p {
    font-size: 30px;
    color: #95b4e7;
    position: relative;
}
.cont01 .top_text p::before {
    content: '';
    background-color: #1b4a99;
    width: 250px; height: 2px;
    position: absolute;
    top: 0; left: 0;
}
.cont01 .top_text h3 {
    font-size: 40px;
    font-weight: 500;
    position: relative;
}
.cont01 .top_text h3::before {
    content: '';
    background-color: #1b4a99;
    width: 70px; height: 7px;
    position: absolute;
    top: 0; right: 0;
}
.cont01 .list {
    width: 1500px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}
.cont01 .list figure {
    width: 500px;
    margin: 0;
}
.cont01 .list figure img {
    width: 100%;
}
.cont01 .list .item {
    margin-left: 50px;
}
.cont01 .list .text01 p {
    display: inline-block;
    font-size: 35px;
    font-weight: 500;
}
.cont01 .list .text01 strong {
    font-size: 35px;
    font-weight: 900;
}
.cont01 .list .text01 h2 {
    font-size: 50px;
    letter-spacing: 10px;
    font-weight: 900;
}
.cont01 .list .text02 {
    margin: 100px 0 30px;
}
.cont01 .list .text02 p {
    font-size: 25px;
}
.cont01 .list .text02 span {
    font-size: 25px;
    background: linear-gradient(to top, #95b4e7 50%, transparent 50%);
}
.cont01 .list .text03 {
    margin-bottom: 30px;
}
.cont01 .list .text03 p {
    font-size: 16px;
    line-height: 2;
}
.cont01 .list .text04 p {
    font-size: 20px;
    font-weight: bold;
}
.cont01 .list .text04 strong {
    font-size: 20px;
    color: #1b4a99;
    font-weight: bold;
}
.cont02 {
    width: 90%;
    margin: 0 auto;
    position: relative;
}
.cont02 figure {
    margin: 0;
    width: 800px;
    position: absolute;
    top: 0; right: 0;
    z-index: -1;
}
.cont02 figure img {
    width: 100%;
}
.cont02 h3 {
    font-size: 40px;
    font-weight: 500;
    position: relative;
    margin-top: 30px
}
.cont02 h3::before {
    content: '';
    background-color: #1b4a99;
    width: 70px; height: 7px;
    position: absolute;
    top: 0; left: 0;
}
.cont02 h2 {
    font-size: 50px;
    letter-spacing: 10px;
    font-weight: 900;
}
.cont02 h4 {
    margin: 150px 0 70px;
    font-size: 25px;
}
.cont02 strong {
    font-size: 20px;
    font-weight: bold;
}
.cont02 p {
    font-size: 20px;
}
.cont02 .A{
    margin: 50px 0;
}
.cont02 .B {
    margin: 50px 0 150px;
}
.cont02 p span {
    color: #3240cb;
}
.cont03 {
    position: relative;
    margin-bottom: 150px;
}
.cont03::before {
    content: '';
    background-color: #e8edf5;
    width: 60%; height: 70%;
    position: absolute;
    bottom: -100px; left: 0;
    z-index: -1;
}
.cont03 .inner {
    width: 87%;
    margin: 0 auto;
}
.cont03 h3 {
    font-size: 40px;
    font-weight: 500;
    position: relative;
    margin-top: 30px;
    text-align: right;
}
.cont03 h3::before {
    content: '';
    background-color: #1b4a99;
    width: 70px; height: 7px;
    position: absolute;
    top: 0; right: 0;
}
.cont03 h2 {
    font-size: 50px;
    letter-spacing: 10px;
    font-weight: 900;
    text-align: right;
    margin-bottom: 100px;
}
.cont03 .list {
    display: flex;
    justify-content: space-between;
}
.cont03 .list .item01, .item02 {
    width: calc(100% / 4.1);
}
.cont03 .list .item01 {
    background-color: #3c64a5;
}
.cont03 .list .item01 strong {
    color: #fff;
    display: block;
    text-align: center;
    font-size: 20px;
    margin: 150px 0 50px;
}
.cont03 .list .item01 p {
    color: #fff;
    text-align: center;
    font-size: 20px;
    margin-bottom: 170px;
    position: relative;
}
.cont03 .list .item01 p::before {
    content: '';
    background-color: #1b4a99;
    width: 100px; height: 3px;
    position: absolute;
    top: -25px; left: 50%;
    transform: translateX(-50%);
}
.cont03 .list .item02 {
    text-align: center;
    padding: 50px 0 50px;
}
.cont03 .list .item02 p {
    color: #fff;
    font-size: 50px;
}
.cont03 .list .item02 img {
    height: 276px;
}
.cont03 .list .item02 span {
    display: inline-block;
    border: 2px solid #fff;
    color: #fff;
    padding: 3px 50px 5px;
    border-radius: 20px;
    font-weight: bold;
    margin-top: 20px;
}
.cont03 .list .A {
    background: url(../image/dg_spine_observation_center/cont03_back01.png) center center / cover no-repeat;
}
.cont03 .list .B {
    background: url(../image/dg_spine_observation_center/cont03_back02.png) center center / cover no-repeat;
}
.cont03 .list .C {
    background: url(../image/dg_spine_observation_center/cont03_back03.png) center center / cover no-repeat;
}
.cont04 .box {
    width: 1000px;
    margin: 0 auto;
    border: 5px solid #8cade4;
    position: relative;
    padding: 30px 0 20px;
}
.cont04 .box p{
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    position: relative;
    line-height: 1.4;
}
.cont04 .box p::before {
    content: '';
    background-color: #1b4a99;
    width: 50px; height: 3px;
    position: absolute;
    top: -15px; left: 50%;
    transform: translateX(-50%);
}
.cont04 .box img {
    position: absolute;
    bottom: 0; right: -5%;
}
.cont05 {
    width: 1500px;
    margin: 150px auto;
}
.cont05 .list .item {
    margin-bottom: 150px;
}
.cont05 .list .item .box01 {
    position: relative;
}
.cont05 .list .item .box01 img {
    width: 52%;
}
.cont05 .list .item .box01 .text{
    position: absolute;
    top: 0; left: 53%;
}
.cont05 .list .item .box01 .text h2 {
    width: 450px;
    height: 180px;
    font-size: 130px;
    font-weight: 500;
    margin-left: 20px;
    margin-bottom: 20px;
    background: linear-gradient(to top, #d4e0f5a1 40%, transparent 40%);
}
.cont05 .list .item .box01 .text p {
    font-size: 30px;
    font-weight: 500;
}
.cont05 .list .item .box02 {
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.cont05 .list .item .box02 img {
    width: 62%;
}
.cont05 .list .item .box02 .text strong {
    font-size: 30px;
}
.cont05 .list .item .box02 .text p {
    font-size: 30px;
    margin: 15px 0 50px;
    line-height: 1.3;
}
.cont05 .list .item .box02 .text p:last-child {
    margin-bottom: 0;
}
.cont06 {
    width: 1500px;
    margin: 150px auto;
}
.cont06 .text {
    display: flex;
    align-items: center;
    margin-bottom: 100px;
}
.cont06 .text h2 {
    width: 450px;
    height: 180px;
    font-size: 130px;
    font-weight: 500;
    margin-left: 20px;
    margin-bottom: 20px;
    background: linear-gradient(to top, #d4e0f5a1 40%, transparent 40%);
}
.cont06 .text p {
    font-size: 30px;
    font-weight: 500;
    text-align: center;
    margin-top: 50px;
    margin-left: 250px;
}
.cont06 .list {
    display: flex;
}
.cont06 .list .item {
    width: calc(100% / 6);
    text-align: center;
    background-color: #182a49;
    padding-top: 10px;
    position: relative;
}
.cont06 .list .item span {
    display: block;
    color: #fff;
    border: 1px solid #fff;
    padding: 5px 0;
    cursor: pointer;
}
.cont06 .list .item:nth-child(2),
.cont06 .list .item:nth-child(4),
.cont06 .list .item:nth-child(6) {
    background-color: #364865;
}
.cont06 .list .item>img {
    width: 100%;
}
.cont06 .list .item .box {
    position: absolute;
    top: 0px; left: 5px;
}
.cont06 .list .item .box p {
    color: #fff;
    font-size: 16px;
}
.cont06 .list .item .box img {
    height: 50px;
}
.cont07 {
    width: 1500px;
    margin: 0 auto;
    margin-bottom: 100px;
}
.cont07 .list {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.cont07 .list .text h3{
    display: inline-block;
    font-size: 50px;
    font-weight: 400;
    background: linear-gradient(to top, #8cade4 40%, transparent 40%);
    margin-bottom: 30px;
}
.cont07 .list .text h3 span {
    font-weight: bold;
}
.cont07 .list .text p {
    font-size: 25px;
}
.cont07 .list .text p span {
    text-decoration: underline;
}
.cont07 .list .text p strong {
    font-weight: bold;
}
.cont07 .list figure {
    margin: 0;
    margin-left: 10px;
    position: relative;
}
.cont07 .list figure p {
    position: absolute;
    bottom: 0; left: 0;
    text-align: center;
    color: #fff;
    background-color: #4f4f4f80;
    width: 100%;
    font-size: 20px;
}
.cont07 .list figure img{
    width: 100%;
}
.cont08 {
    width: 1500px; 
    margin: 0 auto;
    margin-bottom: 50px;
}
.cont08 .inner {
    background-color: #444b57;
    padding: 35px 100px;
}
.cont08 .inner .list {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cont08 .inner .list figure {
    margin: 0;
}
.cont08 .inner p {
    color: #c3b294;
    font-size: 20px;
    position: relative;
    margin-bottom: 50px;
}
.cont08 .inner p::before {
    content: '';
    background-color: #c3b294;
    width: 90px; height: 3px;
    position: absolute;
    top: -2px; left: 0;
}
.cont08 .inner .box {
    display: flex;
    justify-content: space-between;
}
.cont08 .inner .box div {
    background-color: #000000;
    width: calc(100% / 4.1); height: 150px;
    color: #fff;
    cursor: pointer;
    box-shadow:inset 0 0 1px 2px black,0 0 5px 2px black;
}
.cont08 .inner .box div:hover {
    box-shadow:inset 0 0 1px 2px #c3b294,0 0 5px 2px #c3b294;
}

.spine_youtube_img{
    width: 100%;
    height: 100%;
}
@media screen and (max-width:1440px) {
    .cont01 .list {
        width: 100%;
    }
    .cont01 .top_text{
        width: 91%;
    }
    .cont02{
        width: 100%;
        padding: 0 20px;
    }
    .cont03 .inner {
        width: 83%;
    }
    .cont05 {
        width: 84%;
    }
    .cont05 .list .item .box01 .text p {
        font-size: 24px;
    }
    .cont05 .list .item .box02 .text p {
        font-size: 28px;
    }
    .cont06 {
        width: 84%;
    }
    .cont06 .text p {
        margin-left: 160px;
    }
    .cont07 {
        width: 89%;
    }
    .cont07 .list .text {
        width: 80%;
    }
    .cont07 .list .text h3{
        font-size: 49px;
    }
    .cont08 {
        width: 100%;
    }
}
@media screen and (max-width:1024px) {
    .menu nav{
        width: 100%;
    }
    .cont01 .list{
        width: 87%;
        margin-left: 20px;
    }
    .cont01 .list .item {
        margin-left: 10px;
    }    
    .cont01 .top_text{
        width: 88%;
    }
    .cont01 .list .text01 p{
        font-size: 29px;
    }
    .cont01 .list .text01 strong {
        font-size: 30px;
    }
    .cont01 .list .text01 h2{
        font-size: 36px;
    }
    .cont01 .list .text02 {
        margin: 30px 0 30px;
    }    
    .cont01 .list .text02 p {
        font-size: 18px;
    }
    .cont01 .list .text02 span {
        font-size: 24px;
    }
    .cont01 .list .text03 p {
        font-size: 18px;
        word-break: keep-all;
    }
    .cont01 .list .text04 p {
        font-size: 16px;
    }
    .cont01 .list .text04 strong {
        font-size: 18px;
    }
    .cont02{
        width: 100%;
    }
    .cont03 .inner{
        width: 95%;
    }
    .cont03 .inner h3 {
        width: 90%;
    }
    .cont03 .inner h2 {
        width: 91.5%;
    }
    .cont03 .list {
        width: 91%;
    }
    .cont04 .box img{
        right: 2%;
    }
    .cont05 {
        width: 89%;
        margin: 150px 0;
    }
    .cont05 .list .item .box01 .text h2{
        width: 300px;
        height: 124px;
        font-size: 79px;
    }
    .cont05 .list .item .box01 .text p,.cont05 .list .item .box02 .text p{
        font-size: 18px;
    }
    .cont06, .cont07, .cont08{
        width: 100%;
    }
    .cont06 .text h2{
        width: 30%;
        height: 126px;
        font-size: 79px;
    }
    .cont06 .text p{
        font-size: 19px;
        margin-left: 210px;
        margin-top: 0;
    }
    .cont06 .list {
        padding:0 10% 0 20px;
    }
    .cont07 .list {
        padding:0 10% 0 20px;
    }
    .cont07 .list .text h3{
        font-size: 33px;
    }
    .cont07 .list .text p {
        font-size: 14px;
    }
    .cont08 .inner .list img{
        width: 98%;
    }
    
}
@media screen and (max-width: 768px){
    .cont01 .top_text {
        width: 98%;
    }
    .cont01 .top_text p{
        font-size: 30px;
    }
    .cont01 .list {
        width: 95%;
    }
    .cont01 .list .text01 h2{
        font-size: 27px;
    }
    .cont01 .list .text02 p {
        font-size: 16px;
        word-break: keep-all;
    }
    .cont01 .list .text02 span {
        font-size: 22px;
    }    
    .cont01 .list .text03 p {
        font-size: 15px;
    }
    .cont01 .top_text h3::before{
        width: 51px;
    }
    .cont02 h2{
        font-size: 27px;
    }
    .cont02 h4{
        font-size: 19px;
    }
    .cont02 p {
        font-size: 15px;
    }
    .cont03 .inner h2 {
        width: 100%;
    }
    .cont03 .inner h3 {
        width: 98%;
    }
    .cont03 .list {
        width: 100%;
    }
    .cont03 .list .item01 strong {
        font-size: 18px;
    }
    .cont03 .list .item01 p {
        margin-bottom: 0;
        font-size: 16px;
    }
    .cont03 .list .item02 img {
        height: 50%;
    }
    .cont03 .list .item02 {
        padding: 50px 0 0;
    }
    .cont04 .box {
        width: 100%;
    }
    .cont05 {
        width: 100%;
    }
    .cont05 .list .item .box01 .text h2{
        font-size: 60px;
        height: 100px;   
        width: 258px;
    }
    .cont05 .list .item .box01 .text p, .cont05 .list .item .box02 .text p{
        font-size: 15px;
    }
    .cont05 .list .item .box02 .text strong{
        font-size: 20px;
    }
    .cont06 .text h2{
        font-size: 60px;
        height: 100px;
        width: 252px;
    }
    .cont06 .text p {
        font-size: 17px;
        margin-left: 150px;
    }
    .cont06 .list {
        flex-wrap: wrap;
        padding: 0 20px;
    }
    .cont06 .list .item {
        width: calc(100% / 3);
    }
    .cont07{
        width: 100%;
    }
    .cont07 .list {
        padding: 0 20px;
        flex-wrap: wrap;
        justify-content: space-evenly;
    }
    .cont07 .list .text {
        width: 100%;
        margin-bottom: 20px;
    }
    .cont07 .list .text h3{
        width: 100%;
        margin-left: 0px;
        font-size: 34px;
        height: 60px;
        /* background: #eeeeeeb8; */
        padding: 0 20px;
    }
    .cont07 .list .text p{
        padding: 0 20px;
        font-size: 20px;
    }
    .cont07 .list figure{
        width: 48%;
        margin-left: 0;
    }
    .cont08 .inner {
        padding: 35px;
    }
}

@media screen and (max-width: 425px){
    .menu nav{
        width: 100%;
        height: 50px;
    }
    .menu nav ul li a{
        font-size: 15px;
    }
    .menu nav ul li::before{
        height: 11px;
        top: 4px;
    } 
    .cont01 {
        padding-bottom: 20px;
    }
    .cont01 .top_text{
        width: 100%;
        padding: 50px 20px;
    }
    .cont01 .list{
        width: 100%;
        margin-left: 0;
    }
    .cont01 .list .text02 {
        margin: 70px 0 30px;
    }
    .cont01 .list .text02 p {
        word-break: keep-all;
    }
    .cont01 .list .text02 span {
        font-size: 20px;
    }
    .cont01 .list .text03 p {
        word-break: keep-all;
    }
    .cont01 .list figure{
        display: none;
    }
    .cont01 .list .item {
        margin-left: 0px;
        padding: 0 20px;
    }
    .cont01 .list .text01 h2{
        letter-spacing:0px;
    }
    .cont02{
        width: 100%;
        padding: 0 20px;
    }
    .cont02 figure img {
        width: 100%;
        opacity: 0.5;
    }
    .cont02 p {
        font-size: 16px;
        word-break: keep-all;
    }
    .cont02 h4{
        margin: 30px 0 20px;
    }
    .cont02 h2{
        letter-spacing:0px;
    }
    .cont03::before {
        display: none;
    }
    .cont03 .inner{
        width: 100%;
    }
    .cont03 .list{
        flex-wrap: wrap;
    }
    .cont03 .list .item01{
        width: 50%;
    }
    .cont03 .list .item01 strong {
        margin: 110px 0px;
    }
    .cont03 .list .item01 p {
        margin-bottom: 0;
        font-size: 16px;
    }
    .cont03 .list .item01 p::before {
        top: -60px;
    }
    .cont03 .list .A{
        width: 50%
    }
    .cont03 .list .B{
        width: 50%;
    }
    .cont03 .list .C{
        width: 50%;
    }
    .cont03 .list .item02{
        padding: 50px 0;
    }
    .cont04 .box{
        width: 100%;
    }
    .cont04 .box img{
        display: none;
    }
    .cont05{
        width: 100%;
    }
    .cont05 .list .item .box01 img{
        width: 100%; height: 400px;
        opacity: 0.5;
    }
    .cont05 .list .item .box01 .text{
        width: 100%;
        left:0;
    }
    .cont05 .list .item .box01 .text p{
        width: 100%;
        padding: 0 20px;
        font-size: 16px;
        word-break: keep-all;
    }
    .cont05 .list .item .box02 .text {
        margin: 20px;
    }
    .cont05 .list .item .box01 .text p, .cont05 .list .item .box02 .text p {
        font-size: 22px;
    }
    .cont05 .list .item .box02{
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .cont05 .list .item .box02 img{
        width: 100%; height: 400px;
    }
    .cont05 .list .item .box01 .text h2{
        width: 100%;
        margin-left: 0px;
        font-size: 80px;
        height: 140px;
        background: #eeeeeeb8;
        padding: 0 20px;
    }
    .cont06{
        width: 100%;
    }
    .cont06 .text{
        flex-wrap: wrap;
    }
    .cont06 .list{
        flex-wrap: wrap;
    }
    .cont06 .list .item{
        width: 50%;
        text-align: center;
    }
    .cont06 .text h2{
        width: 100%;
        margin-left: 0px;
        font-size: 80px;
        height: 140px;
        background: #eeeeeeb8;
        padding: 0 20px;
    }
    .cont06 .text p{
        font-size: 19px;
        margin-left: 0px;
        padding: 0 20px;
    }
    .cont07{
        width: 100%;
    }
    .cont07 .list{
        flex-wrap: wrap;
    }
    .cont07 .list .text h3{
        width: 100%;
        margin-left: 0px;
        font-size: 34px;
        height: 60px;
        background: #eeeeeeb8;
        padding: 0 20px;
    }
    .cont07 .list .text p{
        padding: 0;
    }
    .cont07 .list{
        justify-content: space-around;
    }
    .cont07 .list figure{
        margin-top:10px;
        margin-left:0px;
    }
    .cont08{
        width: 100%;
    }
    .cont08 .inner {
        padding: 35px 20px;
    }
    .cont08 .inner .box {
        flex-wrap: wrap;
    }
    .cont08 .inner .box div {
        width: calc(100% / 2.05);
        margin-bottom: 10px;
        height: 120px;
    }
    .cont08 .inner .list{
        display: block;
    }
    .cont08 .inner .list figure img{
        width: 100%;
    }
}
@media screen and (max-width: 375px){
    .menu nav {
        height: 60px;
    }
    .menu nav ul {
        text-align: left;
        padding: 5px 20px 0 20px;
        line-height: 2;
    }
    .menu nav ul li::before {
        display: none;
    }
    .cont02 strong {
        word-break: keep-all;
    }
    .cont02 .A {
        margin: 50px 0 20PX;
    }
    .cont02 .B {
        margin: 20px 0 150px;
    }
    .cont03 h2 {
        font-size: 30px;
    }
    .cont06 .text p {
        font-size: 16px;
    }
    .cont06 .list .item .box p {
        font-size: 14px;
    }
    .cont06 .list .item .box img {
        height: 35px;
    }
    .cont07 .list .text h3 {
        font-size: 30px;
        padding: 0 10px;
    }
    .cont07 .list .text p {
        font-size: 16px;
    }
    .cont07 .list figure p {
        font-size: 14px;
    }
}
@media screen and (max-width: 320px){
    .cont02 figure {
        width: 715px;
    }
    .cont03 h2 {
        font-size: 25px;
    }
    .cont06 .text p {
        font-size: 14px;
    }
    .cont07 .list {
        padding: 0 20px;
    }
    .cont07 .list .text h3 {
        font-size: 25px;
        height: 45px;
    }
    .cont07 .list .text p {
        font-size: 14px;
    }
}