@charset "utf-8";

@media screen and (max-width: 768px) {

/* =====key===== */
.key {
    position: relative;
    width: 100%;
    height: 253px;
    padding: 78px 0 0;
    margin: 0;
    border-radius: 0;
    background: url(../img/periodontal/key01.jpg) bottom 30% center/cover no-repeat;
}

.key_text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 0 0 50px;
    background: url(../img/index/icon10.png) center left 10px/30px no-repeat;
    letter-spacing: 0.1em;
    text-shadow: #fff 1px 1px 1px, #fff -1px 0px 1px, #fff 0px -1px 1px, #fff 0px 1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px;
}

.key_title {
    position: absolute;
    top: 60%;
    left: 0;
    right: 0;
    width: 280px;
    padding: 0 0 25px;
    margin: auto;
    font-size: 28px;
    letter-spacing: 0.1em;
    text-shadow: #fff 1px 1px 1px, #fff -1px 0px 1px, #fff 0px -1px 1px, #fff 0px 1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px;
    text-align: center;
}

.key_title:before {
    content: "Periodontal disease treatment";
    position: absolute;
    left: 0;
    bottom: 0;
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-shadow: #fff 1px 1px 1px, #fff -1px 0px 1px, #fff 0px -1px 1px, #fff 0px 1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px, #fff 1px 1px 1px, #fff -1px 1px 1px, #fff 1px -1px 1px, #fff -1px -1px 1px;
}

/* =====sec01===== */
.sec01 {
    width: 100%;
    padding: 50px 20px;
    margin: 0 auto;
    box-sizing: border-box;
}

.sec01 .head {
    padding: 0 0 20px;
    border-bottom: 2px dashed #00b9ef;
    margin: 0 0 20px;
    text-align: center;
}

.sec01 .title {
    display: block;
    padding: 30px 0 5px;
    font-size: 18px;
    font-weight: 500;
    background: url(../img/periodontal/icon01.png) right bottom -5px/36px no-repeat;
    letter-spacing: 0.14em;
}

.sec01 .text {
    line-height: 2;
}

.sec01 .text:nth-of-type(1) {
    width: 100%;
    margin: 0 auto 40px;
}

.sec01 .text:nth-of-type(1) .marker {
    background: linear-gradient(to bottom, transparent 30%, rgba(255, 241, 0, 0.48) 0);
    font-weight: 600;
}

.sec01 .text:nth-of-type(2) {
    width: 100%;
    margin: 0 auto;
}

.sec01 .text:nth-of-type(2) .marker {
    background: linear-gradient(to bottom, transparent 30%, rgba(255, 241, 0, 0.48) 0);
}

.sec01 .text:nth-of-type(2) .marker .large {
    font-size: 16px;
    font-weight: 600;
}

.sec01 .sub_title {
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}

.sec01 .sub_title .color {
    color: #00b9ef;
    font-weight: 500;
}

.sec01 .sub_title .border {
    display: block;
    width: 210px;
    padding: 12px 0 40px 1em;
    margin: 0 auto;
    background: url(../img/rehabilitation/border01.png) center bottom 30px repeat-x;
    font-weight: 500;
    letter-spacing: 0.14em;
}

/* =====sec02===== */
.sec02 {
    width: 100%;
    padding: 50px 20px;
    background: url(../img/periodontal/img01.jpg) center center/cover no-repeat;
    box-sizing: border-box;
}

.sec02 .cont {
    width: 100%;
    height: auto;
    padding: 30px;
    margin: 0 auto;
    box-sizing: border-box;
    background: url(../img/periodontal/bg_ex.png) top right/cover no-repeat;
}

.sec02 .title {
    margin: 0 0 30px;
    font-size: 18px;
    font-weight: 500;
    color: #00b9ef;
    text-align: center;
}

.sec02 .title .large {
    font-size: 20px;
    font-weight: 500;
    text-align: center;
}

.sec02 .list {
    display: block;
    flex-wrap: wrap;
    justify-content: center;
}

.sec02 .item {
    width: 360px;
    max-width: 100%;
    padding: 0 0 10px 50px;
    margin: 0 auto 20px;
    border-bottom: 1px dashed #00b9ef;
    background: url(../img/index/list01.png) center left 10px/27px no-repeat;
    box-sizing: border-box;
}

.sec02 .item:nth-child(2n-1) {
    margin: 0 auto 20px;
}

.sec02 .item:last-of-type {
    margin: 0 auto;
}

/* =====sec03===== */
.sec03 {
    position: relative;
    width: 100%;
    padding: 50px 20px;
    background: rgba(0, 185, 239, 0.1);
    box-sizing: border-box;
    z-index: -2;
}

.sec03 .title {
    margin: 0 0 30px;
    font-size: 19px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-align: center;
}

.sec03 .list {
    display: block;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    margin: 0 auto;
}

.sec03 .item {
    position: relative;
    width: 367px;
    max-width: 100%;
    height: 306px;
    padding: 0 18px;
    border: 2px solid #00b9ef;
    margin: 0 auto 20px;
    box-sizing: border-box;
}

.sec03 .item:nth-of-type(1) {
    margin: 0 auto 20px;
    background: url(../img/periodontal/icon02.png) center top 103px/79px no-repeat;
}

.sec03 .item:nth-of-type(2) {
    margin: 0 auto 20px;
    background: url(../img/periodontal/icon03.png) center top 103px/46px no-repeat;
}

.sec03 .item:nth-child(n+3) {
    height: auto;
} 

.sec03 .item:before {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: -1;
    width: 100%;
    height: 100%;
    background: #fff;
}

.sec03 .item_title {
    padding: 18px 0 14px;
    border-bottom: 4px solid rgba(255, 241, 0, 0.48);
    margin: 0 0 80px;
    color: #00b9ef;
    font-weight: 700;
    text-align: center;
}

.sec03 .item_title .large {
    font-size: 18px;
    font-weight: 700;
}

.sec03 .item:nth-child(n+3) .item_title {
    width: 90%;
    margin: 0 auto 18px;
}

.sec03 .item_text {
    padding: 0 12px;
}

.sec03 .item:nth-of-type(3) .sublist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.sec03 .subitem {
    margin: 0 10px 10px;
    box-sizing: border-box;
    font-weight: 500;
}

.sec03 .item:nth-of-type(3) .item_text {
    margin: 0 0 20px;
}

.sec03 .item:nth-of-type(3) .subitem {
    width: 96px;
    height: 35px;
    border-radius: 18px;
    margin: 0 10px 10px;
    background: #00b9ef;
    color: #fff;
    text-align: center;
    line-height: 35px;
}

.sec03 .subitem:nth-child(-n+3) {
    margin: 0 10px 10px;
}

.sec03 .item:nth-of-type(3) .subitem:nth-of-type(5) {
    height: 51px;
    padding: 6px 0 0;
    margin: 0 10px 10px;
    border-radius: 26px;
    font-size: 12px;
    line-height: 1.5;
}

.sec03 .item:nth-of-type(4) {
    padding: 0 0 20px;
    background: url(../img/periodontal/icon04.png) bottom 10px right 10px/42px no-repeat;
}

.sec03 .item:nth-of-type(4) .item_text {
    margin: 0 0 10px;
}

.sec03 .item:nth-of-type(4) .sublist {
    padding: 0;
}

.sec03 .item:nth-of-type(4) .subitem {
    width: 133px;
    height: 35px;
    border-radius: 18px;
    margin: 0 auto;
    background: #00b9ef;
    color: #fff;
    text-align: center;
    line-height: 35px;
}

.sec03 .item:nth-of-type(4) .subitem:nth-of-type(1) {
    margin: 0 auto 10px;
}

/* =====sec04===== */
.sec04 {
    width: 100%;
    padding: 44px 20px;
    box-sizing: border-box;
    background: url(../img/periodontal/img02.png) left 60% top/cover no-repeat;
}

.sec04 .inner {
    width: 1066px;
    max-width: 100%;
    margin: 0 auto;
}

.sec04 .title {
    padding: 50px 0 0;
    margin: 0 0 45px;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    background: url(../img/index/main_icon.png) center top/52px no-repeat;
}

.sec04 .text {
    line-height: 2.5;
}

.sec04 .text .marker {
    background: linear-gradient(to bottom, transparent 30%, rgba(255, 241, 0, 0.48) 0);
    font-size: 18px;
    font-weight: 700;
}

/* =====sec05===== */
.sec05 {
    width: 100%;
    padding: 50px 20px;
    background: rgba(0, 185, 239, 0.1);
    box-sizing: border-box;
}

.sec05 .title {
    width: 100%;
    padding: 0 0 12px;
    border-bottom: 2px solid #00b9ef;
    margin: 0 auto 25px;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.sec05 .title .space {
    padding: 0 1em 0 0;
    font-weight: 700;
}

.sec05 .text {
    margin: 0 0 50px;
    text-align: center;
}

.sec05 .item {
    position: relative;
    display: block;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin: 0 auto 50px;
}

.sec05 .item .item_title {
    top: -40px;
    right: 10px;
}

.sec05 .item_title {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid #00b9ef;
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 18px;
    font-weight: 500;
    background: #fff;
    text-align: center;
    line-height: 100px;
}

.sec05 .item_title:before {
    content: "";
    position: absolute;
    bottom: -75px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    width: 2px;
    height: 75px;
    background: #00b9ef;
}

.sec05 .cont {
    display: block;
    justify-content: space-between;
    width: 100%;
    padding: 20px;
    border: 2px solid #00b9ef;
    border-radius: 11px;
    box-sizing: border-box;
    box-shadow: 5px 5px 0 rgba(0, 185, 239, 0.37);
    background: #fff;
}

.sec05 .cont .left {
    width: 100%;
    margin: 0 0 20px;
}

.sec05 .cont .right {
    width: 100%;
}

.sec05 .cont_title {
    width: 70%;
    padding: 0 0 5px;
    border-bottom: 2px dashed #00b9ef;
    margin: 0 auto 10px;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
}

.sec05 .cont_list {
    width: 80%;
    padding: 0 0 0 20px;
    margin: 0 auto;
}

.sec05 .cont_item {
    position: relative;
    padding: 0 0 0 1em;
}

.sec05 .cont_item:before {
    content: "・";
    position: absolute;
    top: 0;
    left: 0;
    display: inline-block;
    width: 16px;
    height: 16px;
}

.sec05 .last_item {
    display: block;
    align-items: center;
    width: 100%;
    height: auto;
    padding: 20px 20px 30px;
    margin: 0 auto;
    box-sizing: border-box;
    border-radius: 15px;
    background: #00b9ef url(../img/periodontal/icon05.png) bottom 10px right 10px/50px no-repeat;
}

.sec05 .last_item .l_title{
    margin: 0 0 20px;
    font-size: 18px;
    font-weight: 500;
    color: #fff100;
    text-align: center;
}

.sec05 .last_item .l_text {
    font-size: 18px;
    color: #fff;
}

/* =====sec06===== */
.sec06 {
    padding: 50px 20px 30px;
    box-sizing: border-box;
}

.sec06 .title {
    width: 100%;
    padding: 0 0 15px;
    border-bottom: 2px solid #00b9ef;
    margin: 0 auto 30px;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.sec06 .inner {
    width: 100%;
    margin: 0 auto;
    max-width: 370px;
}

.sec06 .cont_title {
    padding: 10px 0;
    margin: 0 0 20px;
    background: #00b9ef;
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    text-align: center;
}

.sec06 .cont_text {
    line-height: 1.8;
}

.sec06 .cont01 {
    margin: 0 0 50px;
}

.sec06 .cont01 .body {
    display: block;
    padding: 0;
}

.sec06 .cont01 .body .cont_text {
    margin: 0 0 20px;
}

.sec06 .cont01 .image {
    width: 100%;
    min-width: auto;
    height: 153px;
}

.sec06 .contbox {
    display: block;
    justify-content: space-between;
}

.sec06 .contbox .cont {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 0 0 50px;
}

.sec06 .contbox .cont:last-of-type {
    margin: 0;
}

.sec06 .contbox .cont_text {
    padding: 0;
    margin: 0 0 20px;
}

.sec06 .contbox .cont .image {
    width: 100%;
    height: 153px;
    margin: auto 0 0;
    background: #f4f4f2;
}

/* =====sec07===== */
.sec07 {
    width: 100%;
    padding: 50px 20px;
    background: url(../img/periodontal/bg02.png) top left/55px repeat;
    box-sizing: border-box;
}

.sec07 .title {
    width: 100%;
    padding: 15px;
    box-sizing: border-box;
    border-bottom: 2px solid #00b9ef;
    margin: 0 auto 30px;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.sec07 .text {
    width: 100%;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.sec07 .text .marker {
    background: linear-gradient(to bottom, transparent 60%, rgba(255, 241, 0, 0.48) 0);
}

.sec07 .box {
    width: 100%;
    padding: 20px;
    margin: 0 auto 50px;
    background: #eff8fb;
    box-sizing: border-box;
}

.sec07 .box_title {
    margin: 0 0 20px;
    color: #00b9ef;
    font-size: 17px;
    font-weight: 500;
    text-align: center;
}

.sec07 .box_item {
    padding: 0 0 0 35px;
    background: url(../img/periodontal/icon06.png) top 5px left/15px no-repeat;
}

.sec07 .box_item:nth-of-type(1) {
    margin: 0 0 8px;
}

.sec07 .list {
    width: 100%;
    margin: 0 auto;
}

.sec07 .item {
    margin: 0 0 50px;
}

.sec07 .item:last-of-type {
    margin: 0;
}

.sec07 .item_title {
    position: relative;
    padding: 3px 0 20px 30px;
    border-bottom: 1px dashed #6b6b6b;
    margin: 0 0 25px;
    font-size: 18px;
    font-weight: 500;
}

.sec07 .item_title:before {
    content: "";
    position: absolute;
    top: 0;
    left: 5px;
    display: inline-block;
    width: 5px;
    height: 37px;
    background: #00b9ef;
}

.sec07 .item_body {
    padding: 0;
}

.sec07 .item .upper {
    display: flex;
    align-items: center;
    margin: 0 0 40px;
}

.sec07 .item .upper .image {
    width: 30%;
    border: 1px solid #a9aaaa;
    margin: 0 20px 0 0;
}

.sec07 .item_text {
    width: 70%;
    font-weight: 500;
}

.sec07 .lower {
    padding: 20px 20px 25px;
    border: 2px solid #00b9ef;
    background: #fff;
}

.sec07 .lower_title {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 500;
    color: #00b9ef;
    text-align: center;
}

.sec07 .lower_item {
    position: relative;
    padding: 0 0 0 1em;
    line-height: 2;
}

.sec07 .lower_item:before {
    content: "・";
    position: absolute;
    top: 0;
    left: 0;
    display: inline-block;
    width: 16px;
    height: 16px;
}

/* =====sec08===== */
.sec08 {
    width: 100%;
    padding: 50px 20px 40px;
    background: #f2f9fc;
    box-sizing: border-box;
}

.sec08 .title {
    width: 100%;
    padding: 0 0 20px;
    border-bottom: 10px solid #f8ef9b;
    margin: 0 auto 20px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-align: center;
}

.sec08 .text {
    width: 100%;
    margin: 0 auto 30px;
    line-height: 2;
}

.sec08 .text .large {
    font-size: 16px;
    font-weight: 700;
}

.sec08 .list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.sec08 .list .item {
    width: 153px;
    height: 153px;
    padding: 20px 0 0;
    margin: 0 10px 20px;
    box-sizing: border-box;
    font-weight: 500;
    color: #fff;
    text-align: center;
}

.sec08 .list .item:nth-of-type(1) {
    background: #00b9ef url(../img/periodontal/icon07.png) center bottom 15px/57px no-repeat;
}

.sec08 .list .item:nth-of-type(2) {
    background: #00b9ef url(../img/periodontal/icon08.png) center bottom 15px/70px no-repeat;
}

.sec08 .list .item:last-of-type {
    padding: 10px 0 0;
    margin: 0 10px;
    background: #00b9ef url(../img/periodontal/icon09.png) center bottom 15px/48px no-repeat;
}

}