@charset "utf-8";

.firstview {
    background: url(../images/periodontal/1x/firstview.png);
    height: 595px;
    /* background-size: cover; */
    margin-top: -187px;
    background-repeat: no-repeat;
    background-position: center;
}

.sec01 {
    background: url(../images/caries/back_white.png);
    margin-top: -290px;
    background-position: top;
    background-repeat: no-repeat;
    padding-top: 190px;
}

.sec01 .contents {
    padding: 0px 0 30px;
    text-align: center;
    position: relative;
    width: 1066px;
    margin: 0 auto;
}

.sec01 .contents .title {
    font-size: 22px;
    font-weight: 700;
    margin-top: 10px;
    line-height: 1.7;
    width: 705px;
    margin: 30px auto 25px;
    letter-spacing: 6px;
}

.sec01 .contents .bottom {
    position: relative;
}

.sec01 .contents .bottom p:nth-child(1) {
    width: 626px;
    margin: 50px auto 0;
    text-align: left;
    line-height: 2;
    font-size: 18px;
}

.sec01 .contents .bottom p:nth-child(2) img {
    position: absolute;
    right: 0;
    bottom: 50px;
}


.sec02 {
    background: url(../images/index/top_back.png);
    background-position: top;
    margin-top: 40px;
    /* background-size: cover; */
}

.sec02 .contents {
    text-align: center;
    padding-top: 40px;
    
}

.sec02 .contents .top {
    padding: 120px 0 0px;
    width: 1066px;
    margin: 0 auto;
}

.sec02 .contents .top .title {
    position: relative;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    top: -72px;
    line-height: 1.3;
}

.sec02 .contents .first .content {
    background: url(../images/index/all_back.jpg);
}

.sec02 .contents .first .content .boxs {
    display: flex;
    justify-content: center;
}

.sec02 .contents .first .content .boxs .box ,.sec02 .contents .first .content .boxs .box2 ,.sec02 .contents .first .content .boxs .box3 ,.sec02 .contents .first .content .boxs .box4 {
    position: relative;
    margin: 0 20px;
}

.sec02 .contents .first .content .boxs .box p:nth-child(2) {
    position: absolute;
    top: 43px;
    left: 43px;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
}

.sec02 .contents .first .content .boxs .box2 p:nth-child(2) {
    position: absolute;
    top: 61px;
    left: 37px;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
}

.sec02 .contents .first .content .boxs .box3 p:nth-child(2) {
    position: absolute;
    top: 61px;
    left: 44px;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
}

.sec02 .contents .first .content .boxs .box4 p:nth-child(2) {
    position: absolute;
    top: 43px;
    left: 18px;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.5;
}

.sec02 .contents .first .content .in {
    position: relative;
    margin: 0 auto;
    width: 1066px;
}

.sec02 .contents .first .content .in .subtitle {
    width: 464px;
    margin: 50px auto;
    line-height: 2;
    font-size: 20px;
    font-weight: 600;
    border-bottom: dashed #18973B;
    padding-bottom: 20px;
}

.sec02 .contents .first .content .in p:nth-child(2) img {
    position: absolute;
    left: 85px;
    top: 15px;
}

.sec02 .contents .first .content .in p:nth-child(3) {
    width: 625px;
    margin: 0 auto;
    text-align: left;
    line-height: 1.7;
}

.sec02 .contents .first .content .in p:nth-child(4) {
    margin-top: 60px;
}

.sec02 .contents .first .content .in p:nth-child(5) {
    width: 440px;
    margin: 35px auto 0;
    text-align: left;
    line-height: 1.7;
}

.sec02 .contents .first .content .in .box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.sec02 .contents .first .in .box .left {
    width: 50%;
    max-width: 500px;
}

.text18 {
    font-size: 18px;
}

.sec02 .contents .first .content .in .box .right {
    text-align: left;
    line-height: 2;
    margin-left: 50px;
    width: 494px;
}

.sec02 .contents .second ,.sec02 .contents .third ,.sec02 .contents .forth  {
    background: url(../images/index/all_back.jpg);
}

.sec02 .contents .second .content .boxs {
    background: rgba(255,255,255,0.5);
    padding: 50px 0;
    margin-bottom: 80px;
}

.sec02 .contents .second .content .boxs .box ,.sec02 .contents .second .content .boxs .box_re {
    display: flex;
    justify-content: center;
    width: 1066px;
    margin: 0 auto;
}

.sec02 .contents .second .content .boxs .box .left ,.sec02 .contents .second .content .boxs .box_re .left {
    width: 50%;
}

.sec02 .contents .second .content .boxs .box .right ,.sec02 .contents .second .content .boxs .box_re .right{
    width: 50%;
}

.sec02 .contents .second .content .boxs .box .right .top ,.sec02 .contents .second .content .boxs .box_re .right .top{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: auto;
    padding: 0;
}

.sec02 .contents .second .content .boxs .box .right .top p:nth-child(2) ,.sec02 .contents .second .content .boxs .box_re .right .top p:nth-child(2){
    color: #CB991D;
    margin-left: 30px;
    font-size: 20px;
    text-align: left;
}

.sec02 .contents .second .content .boxs .box .right .text ,.sec02 .contents .second .content .boxs .box_re .right .text{
    width: 497px;
    text-align: left;
    line-height: 1.9;
}

.sec02 .contents .second .content .boxs .box_02 {
    display: flex;
    justify-content: space-between;
    width: 985px;
    margin: 0 auto;
}

.sec02 .contents .second .content .boxs .box_02 .left {
    position: relative;
    top: 25px;
    left: 45px;
}

.sec02 .contents .second .content .boxs .box_02 .left a:hover ,.sec02 .contents .second .content .boxs .box_re .left .to_link a:hover{
    opacity: unset;
    cursor: unset;
    transition: unset;
}

.sec02 .contents .second .content .boxs .box_02 .left a .to:hover {
    opacity: 0.5;
    cursor: pointer;
    transition: 0.2s;
}

.sec02 .contents .second .content .boxs .box_re .left .to_link a .to:hover {
    opacity: 0.5;
    cursor: pointer;
    transition: 0.2s;
}

.to_link a .to {
    width: 440px;
    margin: 0 auto;
}

.sec02 .contents .second .content .boxs .box_02 .left a p:nth-child(2) {
    font-size: 22px;
    font-weight: 600;
    color: #3c250e;
    letter-spacing: 5px;
    position: absolute;
    top: 10px;
    left: 50px;
}

.sec02 .contents .second .content .boxs .box .left .to_link ,.sec02 .contents .second .content .boxs .box_re .left .to_link {
    position: relative;
    top: 30px;
    left: 15px;
}

.sec02 .contents .second .content .boxs .box .left .to_link a p:nth-child(2) ,.sec02 .contents .second .content .boxs .box_re .left .to_link a p:nth-child(2){
    font-size: 22px;
    font-weight: 600;
    color: #3c250e;
    letter-spacing: 5px;
    position: absolute;
    top: 10px;
    left: 79px;
}

.sec02 .contents .second .content .illust_box {
    position: relative;
    width: 1066px;
    margin: 0 auto;
}

.sec02 .contents .second .content .illust_box p img {
    position: absolute;
    top: -250px;
    left: 145px;
}

.sec02 .contents .third .top {
    padding: 0px 0;
    width: auto;
}

.sec02 .contents .third .step2 {
    display: flex;
    justify-content: center;
    width: 935px;
    margin: 0 auto;
}

.sec02 .contents .third .step1 ,.sec02 .contents .third .step3 ,.sec02 .contents .third .step4 {
    display: flex;
    justify-content: center;
    width: 935px;
    margin: 20px auto 0;
}

.sec02 .contents .third .step1 .left .rollbar {
    margin-top: 12px;
}

.sec02 .contents .third .left .rollbar {
    margin-top: 20px;
}

.sec02 .contents .third .step1 .right .box {
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.sec02 .contents .third .step1 .right .box .topic {
    color: #A47D55;
    font-size: 24px;
    font-weight: 600;
    text-align: left;
    margin-top: -10px;
    padding-bottom: 10px;
}

.sec02 .contents .third .step1 .right .box .left02 {
    width: 400px;
    margin: 30px 0 0 30px;
}

.sec02 .contents .third .step1 .right .box .left02 .text {
    text-align: left;
    background: rgba(255,255,255,0.5);
    padding: 20px 0px 20px 15px;
    line-height: 1.7;
}

.sec02 .contents .third .step1 .right .box .left02 p:nth-child(3) img {
    position: relative;
    top: 10px;
    right: 150px;
}

.sec02 .contents .third .step1 .right .box .right02 {
    margin-left: 30px;
    position: relative;
}

.sec02 .contents .third .step1 .right .box .right02 .blue {
    padding-bottom: 12px;
}

.sec02 .contents .third .step1 .right .box .right02 .text {
    text-align: left;
    background: rgba(255,255,255,0.5);
    padding: 20px 15px;
    line-height: 1.7;
    height: 81px;
}

.sec02 .contents .third .step1 .right .box .right02 p:nth-child(3) img {
    position: absolute;
    top: 97px;
    left: -43px;
}

.sec02 .contents .third .step2 .right {
    text-align: left;
    width: 82%;
    margin-left: 30px;
    margin-top: 20px;
}

.sec02 .contents .third .step2 .right p:nth-child(1) {
    margin-bottom: 15px;
}

.sec02 .contents .third .step2 .right .topic {
    color: #A47D55;
    font-size: 24px;
    font-weight: 600;
    text-align: left;
    margin-top: -10px;
    padding-bottom: 20px;
}

.sec02 .contents .third .step2 .right .text {
    line-height: 2;
}

.sec02 .contents .third .step2 .right .text p:nth-child(1) {
    margin-bottom: 0px;
}

.sec02 .contents .third .step2 .right .boxs {
    display: flex;
    justify-content: left;
}

.sec02 .contents .third .step2 .right .boxs .box {
    width: 355px;
    background: rgba(255,255,255,0.3);
    margin: 20px 11px 0 0;
    padding: 20px 20px;
}

.sec02 .contents .third .step2 .right .boxs .box .top {
    border-bottom: dashed 4px #553519;
    width: auto;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.sec02 .contents .third .step2 .right .boxs .box .top p:nth-child(1) {
    margin: 0;
}

.sec02 .contents .third .step3 .right {
    width: 82%;
    text-align: left;
    margin-left: 30px;
}

.sec02 .contents .third .step3 .right .topic {
    color: #A47D55;
    font-size: 24px;
    font-weight: 600;
    text-align: left;
    margin-top: 40px;
    padding-bottom: 10px;
}

.sec02 .contents .third .step3 .right p:nth-child(2) {
    margin-left: 15px;
}

.sec02 .contents .third .step3 .right .text {
    width: 727px;
    background: rgba(255,255,255,0.3);
    padding: 15px 20px;
    margin-top: 15px;
}

.sec02 .contents .third .step4 .right {
    width: 82%;
    text-align: left;
    margin-left: 30px;
}

.sec02 .contents .third .step4 .right .topic {
    color: #A47D55;
    font-size: 24px;
    font-weight: 600;
    text-align: left;
    margin-top: 50px;
    padding-bottom: 10px;
}

.sec02 .contents .third .step4 .right p:nth-child(3) img {
    margin-left: 30px;
}

.sec02 .contents .third .step4 .right .box {
    display: flex;
}

.sec02 .contents .third .step4 .right .box .left {
    background: rgba(255,255,255,0.3);
    padding: 20px 30px;
    margin: 10px 20px 10px 0;
    width: 26%;
    text-align: center;
}

.sec02 .contents .third .step4 .right .box .right {
    background: rgba(255,255,255,0.3);
    padding: 20px 30px;
    margin: 10px 20px 10px 0;
    width: 37%;
    text-align: center;
}

.sec02 .contents .third .bottom p:nth-child(1) {
    font-size: 20px;
    margin-top: 20px;
}

.sec02 .contents .third .bottom p:nth-child(2) {
    width: 1066px;
    margin: 0 auto;
    text-align: left;
}

.sec02 .contents .third .bottom p:nth-child(2) img {
    padding-left: 240px;
}

.kigi {
    width: 950px;
    margin: -25px auto 25px;
    text-align: right;
}

.sec02 .contents .forth .top .title {
    position: relative;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    top: -56px;
    line-height: 1.3;
}

.sec02 .contents .forth .content .top {
    padding: 0;
}

.sec02 .contents .forth .content .top p:nth-child(1){
    font-size: 20px;
    font-weight: bold;
}

.sec02 .contents .forth .content .last_line {
    margin: -20px 0 20px;
    padding-top: 20px;
}

.sec02 .contents .forth .content .center {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 80px;
}

.sec02 .contents .forth .content .center .right {
    width: 480px;
    text-align: left;
    margin-left: 50px;
    line-height: 2;
}

.sec02 .contents .forth .content02 {
    margin-top: 80px;
}

.sec02 .contents .forth .content02 .top {
    padding: 0;
    margin-bottom: 25px;
}

.sec02 .contents .forth .content02 .top p:nth-child(1){
    font-size: 20px;
    font-weight: bold;
}

.sec02 .contents .forth .content02 .boxs {
    display: flex;
    justify-content: center;
    margin-bottom: 150px;
}

.sec02 .contents .forth .content02 .boxs .box {
    position: relative;
    margin: 0 30px;
}

.sec02 .contents .forth .content02 .boxs .box p:nth-child(2) {
    position: absolute;
    top: 16px;
    left: 50px;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
}

.sec02 .contents .forth .content02 .boxs .box .litle {
    position: absolute;
    top: 16px;
    left: 60px!important;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
}

.sec02 .contents .forth .content02 .boxs .box p:nth-child(3) {
    position: absolute;
    top: 66px;
    left: 14px;
    line-height: 1.5;
    font-size: 14px;
    text-align: left;
}