.content_inner {
    margin: auto;
    width: 100%;
    max-width: 1600px;
}

.col_two {
    display: -webkit-box;
    display: flex;
    flex-wrap: wrap;
}

.col_two > li {
    margin-right: 2%;
    margin-bottom: 10px;
    width: 49%;
    width: -webkit-calc(98% / 2);
    width: calc(98% / 2);
    position: relative;
}

.col_two > li:nth-child(2n) {
    margin-right: 0;
}

.col_two > li img {
    width: 100%;
}

.col_three {
    display: -webkit-box;
    display: flex;
    flex-wrap: wrap;
}

.col_three > li {
    margin-top: 10px;
    margin-right: 1%;
    margin-bottom: 10px;
    width: 32.33333%;
    width: -webkit-calc(98% / 3);
    width: calc(98% / 3);
}

.col_three > li:nth-child(3n) {
    margin-right: 0;
}

.col_three > li img {
    width: 100%;
}

.white_box {
    background-color: rgba(255, 255, 255, 0.5);
    padding: 50px 5%;
}

.white_box2 {
    background-color: #fff;
    padding: 50px 6%;
}

.blue_btn {
    background-color: #043F9B;
    color: #fff;
    display: block;
    font-size: 16px;
    margin: auto;
    overflow: hidden;
    height: 60px;
    line-height: 60px;
    position: relative;
    width: 100%;
    transition: 0.5s ease-in;
    text-transform: uppercase;
}

.blue_btn:hover::before {
    transform: translateX(-30%);
    z-index: 0;
}

.blue_btn:hover::after {
    transform: translateX(30%);
    z-index: 0;
}

.blue_btn::before {
    border-right: 30px solid transparent;
    transform: translateX(-100%);
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    border-top: 30px solid #00A5ED;
    border-bottom: 30px solid #00A5ED;
    transition: 0.5s ease-out;
    z-index: -1;
}

.blue_btn::after {
    border-left: 30px solid transparent;
    transform: translateX(100%);
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    border-top: 30px solid #00A5ED;
    border-bottom: 30px solid #00A5ED;
    transition: 0.5s ease-out;
    z-index: -1;
}

.blue_btn span {
    position: relative;
    z-index: 2;
}

.blue_btn span::before {
    content: "";
    background-color: #fff;
    position: absolute;
    top: 0;
    right: -30px;
    bottom: 0;
    box-sizing: border-box;
    width: 17px;
    height: 17px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    margin: auto;
    vertical-align: middle;
}

.blue_btn span::after {
    content: "";
    position: absolute;
    top: 0;
    right: -24px;
    bottom: 0;
    width: 6px;
    height: 6px;
    border-top: 1px solid #043F9B;
    border-right: 1px solid #043F9B;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    margin: auto;
    vertical-align: middle;
}

.blue_text {
    color: #043F9B;
}

.font_size14 {
    font-size: 14px;
}

.font_size15 {
    font-size: 15px;
}

.font_size19 {
    font-size: 19px;
}

.font_size23 {
    font-size: 23px;
}

.font_size26 {
    font-size: 26px;
}

.font_size27 {
    font-size: 27px;
}

.font_size36 {
    font-size: 36px;
}

.font_size46 {
    font-size: 46px;
}

@media screen and (max-width: 624px) {
    .font_size46 {
        font-size: 8vw;
    }
}

.font_weight500 {
    font-weight: 500;
}

.font_weight700 {
    font-weight: 700;
}

.letter_spacing {
    letter-spacing: 0.1em;
}

.line_height2 {
    line-height: 2em;
}

.ma_t10 {
    margin-top: 10px;
}

.ma_t20 {
    margin-top: 20px;
}

.ma_t30 {
    margin-top: 30px;
}

.ma_t100 {
    margin-top: 100px;
}

@media screen and (max-width: 768px) {
    .ma_t100 {
        margin-top: 60px;
    }
}

.pa_t20 {
    padding-top: 20px;
}

.pa_b20 {
    padding-bottom: 20px;
}

.width_80 {
    width: 80%;
}

.inblock {
    display: inline-block;
}

.pc_display {
    display: block;
}

@media screen and (max-width: 768px) {
    .pc_display {
        display: none;
    }
}

.sp_display {
    display: none;
}

@media screen and (max-width: 768px) {
    .sp_display {
        display: block;
    }
}

.absolute_center {
    margin: auto;
    position: absolute;
    right: 0;
    top: 340px;
    left: 0;
}

.logo_icon {
    margin: auto;
    width: 100%;
    max-width: 54px;
}

#header {
    margin: auto;
    width: 100%;
    max-width: 1920px;
}

#header.scroll-nav .head_back .head_inner #head_logo {
    max-width: 180px;
    transition: all 0.3s ease;
}

@media screen and (max-width: 624px) {
    #header.scroll-nav .head_back .head_inner #head_logo {
        max-width: 100px;
    }
}

#header.scroll-nav .head_back .head_inner #head_logo .content_back > a {
    padding: 10px 15%;
    transition: all 0.3s ease;
}

#header.scroll-nav .head_back .head_inner #head_navi {
    max-width: 1260px;
    transition: all 0.3s ease;
}

#header .head_back {
    background-position: bottom center;
    background-repeat: no-repeat;
    background-size: auto;
    margin: auto;
    position: relative;
    width: 100%;
    height: 62vw;
    max-height: 620px;
}

@media all and (max-width: 1200px) {
    #header .head_back {
        height: 42vw;
    }
}

@media screen and (max-width: 768px) {
    #header .head_back {
        height: 400px;
        max-height: none;
        background-size: cover;
    }
}

@media all and (max-width: 450px) {
    #header .head_back {
        height: 250px;
    }
}

#header .head_back .head_inner {
    display: -webkit-box;
    display: flex;
    -webkit-box-align: start;
    align-items: flex-start;
    position: fixed;
    width: 100%;
    top: 0;
    max-width: 1920px;
    left: 0;
    right: 0;
    margin: auto;
    z-index: 100;
}

#header .head_back .head_inner #head_logo {
    width: 100%;
    max-width: 280px;
    transition: all 0.3s ease;
}

@media all and (max-width: 1400px) {
    #header .head_back .head_inner #head_logo {
        max-width: 180px;
    }
}

@media all and (max-width: 768px) {
    #header .head_back .head_inner #head_logo {
        max-width: 80px;
    }
}

#header .head_back .head_inner #head_logo .content_back {
    background-color: #fff;
}

#header .head_back .head_inner #head_logo .content_back > a {
    display: block;
    padding: 30px 20%;
    transition: all 0.3s ease;
}

@media all and (max-width: 1400px) {
    #header .head_back .head_inner #head_logo .content_back > a {
        padding: 10px 15%;
        transition: all 0.3s ease;
    }
}

#header .head_back .head_inner #head_navi {
    position: relative;
    background-color: #fff;
    width: 100%;
    max-width: 1340px;
    transition: all 0.3s ease;
}

@media all and (max-width: 1200px) {
    #header .head_back .head_inner #head_navi {
        display: none;
    }
}

#header .head_back .head_inner #head_navi .menu_area {
    display: -webkit-box;
    display: flex;
    -webkit-box-align: center;
    align-items: center;
    -webkit-box-pack: end;
    justify-content: flex-end;
    padding-top: 50px;
    padding-bottom: 30px;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_navi .menu_area > li {
    margin-right: 5%;
}

#header .head_back .head_inner #head_navi .menu_area > li:hover > a {
    border-bottom: 2px solid #231815;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_navi .menu_area > li > a {
    border-bottom: 2px solid transparent;
    color: #231815;
    display: block;
    padding-bottom: 20px;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_shop {
    width: 100%;
    max-width: 240px;
    transition: all 0.3s ease;
}

@media all and (max-width: 1400px) {
    #header .head_back .head_inner #head_shop {
        max-width: 13vw;
    }
}

@media all and (max-width: 1200px) {
    #header .head_back .head_inner #head_shop {
        display: none;
    }
}

#header .head_back .head_inner #head_shop .content_back {
    background-color: #00A5ED;
    text-align: center;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_shop .content_back:hover {
    background-color: #65ACEE;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_shop .content_back > a {
    color: #fff;
    display: block;
    padding: 30px 0;
    position: relative;
}

#header .head_back .head_inner #head_shop .content_back > a > p {
    font-weight: 300;
    margin-top: 42px;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_shop .content_back > a > img {
    position: absolute;
    left: 0;
    right: 0;
    top: 30px;
    margin: auto;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_contact {
    width: 100%;
    max-width: 240px;
    transition: all 0.3s ease;
}

@media all and (max-width: 1400px) {
    #header .head_back .head_inner #head_contact {
        max-width: 13vw;
    }
}

@media all and (max-width: 1200px) {
    #header .head_back .head_inner #head_contact {
        display: none;
    }
}

#header .head_back .head_inner #head_contact .content_back {
    background-color: #043F9B;
    text-align: center;
}

#header .head_back .head_inner #head_contact .content_back:hover {
    background-color: #3B5998;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_contact .content_back > a {
    color: #fff;
    display: block;
    padding: 30px 0;
    position: relative;
}

#header .head_back .head_inner #head_contact .content_back > a > p {
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-top: 42px;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #head_contact .content_back > a > img {
    position: absolute;
    left: 0;
    right: 0;
    top: 30px;
    margin: auto;
    transition: all 0.3s ease;
}

#header .head_back .head_inner #sp_navi {
    display: none;
    position: absolute;
    top: 20px;
    right: 10px;
}

@media all and (max-width: 1200px) {
    #header .head_back .head_inner #sp_navi {
        display: block;
    }
}

#header .head_back .head_inner #sp_navi button {
    border: none;
    width: 48px;
    height: 36px;
}

.st-menu-open #header .head_back .head_inner #sp_navi button {
    display: none;
}

#header .head_back .head_inner #sp_navi button span {
    display: inline-block;
    box-sizing: border-box;
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
}

#header .head_back .head_inner #sp_navi button span:nth-of-type(1) {
    background-color: #7FCEF9;
    top: 0;
}

#header .head_back .head_inner #sp_navi button span:nth-of-type(2) {
    background-color: #00A5ED;
    top: 16px;
}

#header .head_back .head_inner #sp_navi button span:nth-of-type(3) {
    background-color: #043F9B;
    bottom: 0;
}

#header .head_back .slide_text {
    margin: auto;
    position: absolute;
    top: 46%;
    left: 7%;
    width: 87%;
    max-width: 740px;
}

#header .head_back .slide_text2 {
    letter-spacing: 0.5em;
    line-height: 2em;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    margin: auto;
}

@media screen and (max-width: 768px) {
    #header .head_back .slide_text2 {
        top: 40%;
    }
}

#header .head_back .slide_text2 .font_size46 {
    font-size: 36px;
}
}

@media all and (max-width: 450px) {
    #header .head_back .slide_text2 .font_size46 {
        font-size: 32px;
    }
}

#header.scroll-nav .head_back .head_inner {
    position: fixed;
    width: 100%;
    z-index: 100;
}

#header.scroll-nav .head_back .head_inner #head_logo {
    max-width: 180px;
}

#header.scroll-nav .head_back .head_inner #head_logo .content_back > a {
    padding: 10px 15%;
}

@media all and (max-width: 768px) {
    #header.scroll-nav .head_back .head_inner #head_logo {
        max-width: 80px;
    }
}

#header.scroll-nav .head_back .head_inner #head_navi .menu_area {
    padding-top: 24px;
    padding-bottom: 20px;
}

#header.scroll-nav .head_back .head_inner #head_navi .menu_area > li > a {
    padding-bottom: 10px;
}

/* #header.scroll-nav .head_back .head_inner #head_shop, 
 		    #header.scroll-nav .head_back .head_inner #head_contact { 
 		      max-width: 13vw; 
 		    } */

@media all and (max-width: 1400px) {

    #header.scroll-nav .head_back .head_inner #head_shop,
    #header.scroll-nav .head_back .head_inner #head_contact {
        max-width: 13vw;
    }
}

#header.scroll-nav .head_back .head_inner #head_shop .content_back > a > p,
#header.scroll-nav .head_back .head_inner #head_contact .content_back > a > p {
    opacity: 0;
    margin-top: -4px;
    pointer-events: none;
}

#header.scroll-nav .head_back .head_inner #head_shop .content_back > a > img,
#header.scroll-nav .head_back .head_inner #head_contact .content_back > a > img {
    top: 24px;
}

.st-menu-open #header .head_back .head_inner #sp_navi button span:nth-of-type(1) {
    background-color: #FFF;
    transform: translateY(12px) rotate(-45deg);
    top: 8px;
}

.st-menu-open #header .head_back .head_inner #sp_navi button span:nth-of-type(2) {
    opacity: 0;
}

.st-menu-open #header .head_back .head_inner #sp_navi button span:nth-of-type(3) {
    background-color: #FFF;
    transform: translateY(-12px) rotate(45deg);
}

#top #header .head_back {
    background-image: url(../img/top/top_slide.webp);
    background-position: top right;
    height: 100vw;
    max-height: 1000px;
}

#top #header .head_back .head_inner #head_navi {
    background-color: transparent;
}

#top #header .head_back .head_inner #head_navi .top > a {
    border-bottom: 2px solid #231815;
}

#top #header .head_back .slide_text2 {
    display: none;
}

#top #header .head_back .head_inner #head_navi::before {
    background-color: #fff;
    content: '';
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    margin: auto;
    opacity: 0;
    transition: 0.3s ease;
    position: absolute;
    z-index: -1;
}

#top #header.scroll-nav .head_back .head_inner #head_navi::before {
    opacity: 1;
}

@media all and (max-width: 768px) {
    #top #header .head_back {
        background-size: cover;
    }
}

@media all and (max-width: 450px) {
    #top #header .head_back {
        height: 430px;
    }
}

.under .slide_text {
    display: none;
}

.under .sp_top {
    display: none;
}

.sp_top {
    font-size: 18px;
    font-weight: 500;
    padding: 50px 5% 0 5%;
}

#concept #header .head_back {
    background-image: url(../img/common/concept_slide.webp);
}

#concept #header .head_back .head_inner #head_navi .con > a {
    border-bottom: 2px solid #231815;
}

#concept #header .head_back .slide_text2 .con {
    display: block !important;
}

#service #header .head_back {
    background-image: url(../img/common/service_slide.webp);
}

#service #header .head_back .head_inner #head_navi .ser > a {
    border-bottom: 2px solid #231815;
}

#service #header .head_back .slide_text2 .ser {
    display: block !important;
}

#facility #header .head_back .head_inner #head_navi .fac > a {
    border-bottom: 2px solid #231815;
}

#facility #header .head_back .slide_text2 .fac {
    display: block !important;
    text-shadow: 1px 2px white;
}

#stand #header .head_back {
    background-image: url(../img/common/stand_slide.jpg);
}

#stand #header .head_back .head_inner #head_navi .ser > a {
    border-bottom: 2px solid #231815;
}

#stand #header .head_back .slide_text2 .sta {
    display: block !important;
}

#signboard #header .head_back {
    background-image: url(../img/common/signboard_slide.jpg);
}

#signboard #header .head_back .head_inner #head_navi .ser > a {
    border-bottom: 2px solid #231815;
}

#signboard #header .head_back .slide_text2 .sig {
    display: block !important;
}

#material #header .head_back {
    background-image: url(../img/common/material_slide.jpg);
}

#material #header .head_back .head_inner #head_navi .ser > a {
    border-bottom: 2px solid #231815;
}

#material #header .head_back .slide_text2 .mat {
    display: block !important;
}

#furniture #header .head_back {
    background-image: url(../img/common/service_slide.jpg);
}

#furniture #header .head_back .head_inner #head_navi .ser > a {
    border-bottom: 2px solid #231815;
}

#furniture #header .head_back .slide_text2 .fur {
    display: block !important;
}

#company #header .head_back {
    background-image: url(../img/common/company_slide.webp);
}

#company #header .head_back .head_inner #head_navi .com > a {
    border-bottom: 2px solid #231815;
}

#company #header .head_back .slide_text2 .com {
    display: block !important;
}

#recruit #header .head_back {
    background-image: url(../img/common/recruit_slide.webp);
}

#recruit #header .head_back .head_inner #head_navi .rec > a {
    border-bottom: 2px solid #231815;
}

#recruit #header .head_back .slide_text2 .rec {
    display: block !important;
}

#contact #header .head_back,
#mail #header .head_back,
#thanks #header .head_back {
    background-image: url(../img/common/contact_slide.webp);
}

#contact #header .head_back .slide_text2 .cont,
#mail #header .head_back .slide_text2 .cont,
#thanks #header .head_back .slide_text2 .cont {
    display: block !important;
}

#policy #header .head_back {
    background-image: url(../img/common/policy_slide.webp);
}

#policy #header .head_back .slide_text2 .pol {
    display: block !important;
}

#footer .foot_back {
    background-image: url(../img/common/com_bg03.webp);
    background-position: bottom center;
    background-repeat: no-repeat;
    background-size: auto;
    margin: auto;
    position: relative;
    width: 100%;
    /* height: 75vw; */
    /* max-height: 750px;*/
}

#footer .foot_back .foot_inner {
    margin: auto;
    padding: 100px 0;
    text-align: center;
    width: 100%;
    max-width: 1600px;
}

#footer .foot_back .foot_inner .foot_logo {
    margin: 30px auto;
    max-width: 170px;
}

#footer .foot_back .foot_inner .f_tel {
    pointer-events: none;
}

#footer .foot_back .foot_inner .sp {
    display: none;
}

@media all and (max-width: 450px) {
    #footer .foot_back .foot_inner .f_tel {
        pointer-events: auto;
    }

    #footer .foot_back .foot_inner .pc {
        display: none;
    }

    #footer .foot_back .foot_inner .sp {
        display: block;
        height: 5px;
    }

    #footer .foot_back .foot_inner .f_fax {
        font-size: 16px;
    }
}

#footer .foot_back .foot_inner .blue_btn {
    max-width: 300px;
}

#footer .foot_back .foot_inner .menu_area {
    display: -webkit-box;
    display: flex;
    flex-wrap: wrap;
    -webkit-box-pack: center;
    justify-content: center;
    margin: 30px auto;
    padding: 0 0 0 20px;
}

@media all and (max-width: 768px) {
    #footer .foot_back .foot_inner .menu_area {
        flex-wrap: wrap;
    }
}

#footer .foot_back .foot_inner .menu_area > li {
    margin-right: 4%;
}

@media all and (max-width: 768px) {
    #footer .foot_back .foot_inner .menu_area > li {
        margin-right: 27px;
    }
}

#footer .foot_back .foot_inner .menu_area > li:last-child {
    margin-right: 0;
}

#footer .foot_back .foot_inner .menu_area > li > a {
    display: block;
    position: relative;
}

#footer .foot_back .foot_inner .menu_area > li > a:hover::before {
    background-color: #fff;
    transition: all 0.3s ease;
}

#footer .foot_back .foot_inner .menu_area > li > a:hover::after {
    border-top: 1px solid #043F9B;
    border-right: 1px solid #043F9B;
    transition: all 0.3s ease;
}

#footer .foot_back .foot_inner .menu_area > li > a::before {
    content: "";
    background-color: #043F9B;
    position: absolute;
    top: 0;
    left: -20px;
    bottom: 0;
    box-sizing: border-box;
    width: 14px;
    height: 14px;
    -webkit-border-radius: 50%;
    border-radius: 50%;
    margin: auto;
    vertical-align: middle;
    transition: all 0.3s ease;
}

#footer .foot_back .foot_inner .menu_area > li > a::after {
    content: "";
    position: absolute;
    top: 0;
    left: -16px;
    bottom: 0;
    width: 4px;
    height: 4px;
    border-top: 1px solid #fff;
    border-right: 1px solid #fff;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    margin: auto;
    vertical-align: middle;
    transition: all 0.3s ease;
}

#footer .foot_back .foot_inner .sns_area {
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: center;
    justify-content: center;
    margin: 30px auto;
}

#footer .foot_back .foot_inner .sns_area > li {
    margin-right: 1%;
    width: 100%;
    max-width: 53px;
}

#footer .foot_back .foot_inner .sns_area > li:last-child {
    margin-right: 0;
}

#footer .foot_back .foot_inner .sns_area > li > a {
    transition: all 0.3s ease;
}

#footer .foot_back .foot_inner .sns_area > li > a:hover {
    transition: all 0.3s ease;
    opacity: 0.5;
}

#top_linkbanner .col_three > li {
    display: table;
    table-layout: fixed;
}

#top_linkbanner .col_three > li:nth-child(1) > a {
    padding: 45px 18%;
}

#top_linkbanner .col_three > li:nth-child(1):hover {
    box-shadow: 0px 0px 10px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#top_linkbanner .col_three > li:nth-child(2) > a {
    padding: 45px 29%;
}

#top_linkbanner .col_three > li:nth-child(2):hover {
    box-shadow: 0px 0px 10px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#top_linkbanner .col_three > li:nth-child(3) > a {
    padding: 45px 14%;
}

#top_linkbanner .col_three > li:nth-child(3):hover {
    box-shadow: 0px 0px 10px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#top_linkbanner .col_three > li:nth-child(4) > a {
    padding: 36px 18%;
}

#top_linkbanner .col_three > li:nth-child(4):hover {
    box-shadow: 0px 0px 10px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#top_linkbanner .col_three > li:nth-child(5) > a {
    padding: 36px 19%;
}

#top_linkbanner .col_three > li:nth-child(5):hover {
    box-shadow: 0px 0px 10px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#top_linkbanner .col_three > li:nth-child(6) > a {
    padding: 36px 24%;
}

#top_linkbanner .col_three > li:nth-child(6):hover {
    box-shadow: 0px 0px 10px 3px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

#top_linkbanner .col_three > li > a {
    display: table-cell;
    vertical-align: top;
}

#top_linkbanner .col_three .border {
    border: 1px solid #EEEFEF;
}

#top_linkbanner .col_three .box_shadow {
    box-shadow: 0px 0px 10px 1px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

#top_concept .content_back {
    background-image: url(../img/top/top_bg01.webp);
    background-position: top center;
    background-repeat: no-repeat;
    background-size: cover;
    margin: auto;
    position: relative;
    width: 100%;
    height: 59vw;
    max-height: 590px;
}

@media all and (max-width: 768px) {
    #top_concept .content_back {
        height: 70vw;
        max-height: 700px;
    }
}

@media all and (max-width: 600px) {
    #top_concept .content_back {
        height: 100vw;
    }
}

@media all and (max-width: 450px) {
    #top_concept .content_back {
        height: 135vw;
    }
}

#top_concept .content_back .content_inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
    -webkit-transform: translateY(-50%) translateX(-50%);
    width: 90%;
    max-width: 800px;
}

#top_concept .content_back .content_inner .white_box {
    text-align: center;
}

#top_concept .content_back .content_inner .white_box .blue_btn {
    max-width: 400px;
}

#top_service .content_back {
    background-image: url(../img/common/com_bg01.webp);
    background-position: top center;
    background-repeat: no-repeat;
    background-size: cover;
    margin: auto;
    position: relative;
    width: 100%;
    height: 78vw;
    max-height: 780px;
}

@media all and (max-width: 1100px) {
    #top_service .content_back {
        height: auto;
        max-height: none;
    }
}

#top_service .content_back .content_inner {
    padding: 100px 0;
    text-align: center;
}

#top_service .content_back .content_inner .blue_btn {
    max-width: 400px;
}

@media all and (max-width: 768px) {
    #top_service .col_two > li {
        width: 80%;
        margin-left: auto;
        margin-right: auto;
    }

    #top_service .col_two > li:not(:last-child) {
        margin-bottom: 40px;
    }
}

#top_strong .content_back {
    background-image: url(../img/common/com_bg02.webp);
    background-position: bottom;
    background-repeat: no-repeat;
    background-size: cover;
    margin: auto;
    position: relative;
    width: 100%;
    height: 90vw;
    max-height: 900px;
}

@media all and (max-width: 1100px) {
    #top_strong .content_back {
        height: auto;
        max-height: none;
    }
}

#top_strong .content_back .logo_bg {
    background-image: url(../img/common/bg_logo.png);
    background-position: right bottom;
    background-repeat: no-repeat;
    background-size: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media all and (max-width: 1100px) {
    #top_strong .content_back .logo_bg {
        background-size: 50%;
    }
}

#top_strong .content_back .col_two > li {
    text-align: center;
}

#top_strong .content_back .col_two > li .blue_btn {
    max-width: 300px;
}

#top_strong .content_back .col_two > li .font_size27 {
    line-height: 1.2;
}

@media all and (max-width: 1100px) {
    #top_strong .content_back .col_two > li {
        width: 80%;
        margin-left: auto;
        margin-right: auto;
    }

    #top_strong .content_back .col_two > li .absolute_center {
        top: 0;
        margin: -35px auto 40px;
        position: relative;
    }
}

@media all and (max-width: 768px) {
    #top_strong .content_back .col_two > li .absolute_center {
        width: 90%;
    }

    #top_strong .content_back .font_size36 {
        line-height: 1.2;
        font-size: 32px;
    }
}

@media all and (max-width: 450px) {
    #top_strong .content_back .col_two > li .absolute_center {
        width: 100%;
        margin: 0px auto 40px;
        padding: 30px 6%
    }
}

.video_wrap {
    position: absolute;
    top: 120px;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    overflow: hidden;
    max-width: 1920px;
    z-index: -1;
}

@media all and (max-width: 1200px) {
    .video_wrap {
        top: 0;
    }
}

.head_movie {
    width: 100%;
}

@media all and (max-width: 1200px) {
    .head_movie {
        height: 42vw;
        width: auto;
    }
}

@media all and (max-width: 768px) {
    .head_movie {
        position: relative;
        height: 400px;
        left: -35%;
    }
}

@media all and (max-width: 450px) {
    .head_movie {
        height: 250px;
        left: -50%;
    }
}


@media all and (max-width: 450px) {
    #top_linkbanner .col_three > li {
        width: 49%;
    }

    #top_linkbanner .col_three > li:nth-child(3n) {
        margin-right: 1%;
    }

    #top_linkbanner .col_three > li:nth-child(2n) {
        margin-right: 0;
    }
}

.service_sub .item_list {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin: 100px auto;
    width: 100%;
    max-width: 1600px;
    flex-wrap: wrap;
}

.service_sub .item_list > li {
    margin-bottom: 50px;
    width: 24%;
}

@media screen and (max-width: 768px) {
    .service_sub .item_list > li {
        width: 48%;
    }
}

.service_sub .item_list > li img {
    width: 100%;
}

.service_sub .item_list > li .item_name {
    font-size: 15px;
    font-weight: 500;
    margin-top: 5px;
    text-align: center;
}

.service_sub .blue_btn {
    margin: auto;
    text-align: center;
    max-width: 400px;
}

.junbi {
    display: block;
    font-size: 24px;
    font-weight: 500;
    line-height: 1.8em;
    margin: 100px auto;
    text-align: center;
}