.slider_a-green-vision {
    background: url(../images/tenka-in-the-world.html);
}

.slider_about_text {
    height: 930px;
    position: relative;
    padding: 29% 0;
}

.slider_about_text h4 {
    color: #cecc07;
    margin-bottom: 10px;
    display: flex;
    font-size: 22px;
    margin-left: 40px;
    position: relative;
}

.slider_about_text h4:before {
    content: '';
    position: absolute;
    width: 40px;
    height: 7px;
    background: #cecc07;
    left: -60px;
    top: 10px;
    bottom: 0;
}

.slider_about_text p {
    color: #fff;
    width: 55%;
    line-height: 1.5;
    font-size: 42px;
}

.slider_about_text p span {
    color: #cecc07;
    font-size: 38px;
    margin: 0;
}

.slider_about_text p b {
    color: #cecc07;
}


@-webkit-keyframes mover {
    0% { transform: translateY(0); }
    100% { transform: translateY(-20px); }
}
@keyframes mover {
    0% { transform: translateY(0); }
    100% { transform: translateY(-20px); }
}
@media screen and (min-width: 576px) {
    .technology_pc {
        display: block;
    }
    .technology_media {
        display: none;
    }
}
@media screen and (max-width: 575px) {
    .technology_pc {
        display: none;
    }
    .technology_media {
        display: block;
    }
}
/* ------- slider ------- */


.banner {
    position: relative;
    padding-bottom: 48.4%;
    width: 100%;
    overflow: hidden;
}

.videoembed {
    height: 100vh;
    object-fit: cover;
    overflow: hidden;
    position: absolute;
    width: 100%;
    z-index: 0;
}

.banner-title {
    position: absolute;
    top: 35%;
    padding: 20px 40px;
    margin: auto;
    left: 0;
    right: 0;
    justify-content: center;
    animation: mover 4s infinite alternate;
}

.banner-title-img img {
    width: 70%;
}

.banner-title h1 {
    color: #fff;
}

.banner-title h1 b {
    color: #cecc07;
}
.banner-title-img h2 {
    font-size: 80px;
    text-transform: uppercase;
    /* margin-right: 50px; */
    color: #fff;
    font-weight: 600;
    position: relative;
}
.banner-title-img h2:before {
    content: 'topcon';
    position: absolute;
    left: 4px;
    right: 0;
    top: 2px;
    opacity: 0.5;
}
.banner-title-img h4 {
    padding: 3px 10px;
    /* margin-right: 50px; */
    margin-top: -10px;
    text-transform: capitalize;
    background: #e5b73b;
    float: right;
    font-size: 18px;
}
.banner-title .lios {
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
}
.banner-title .lios h2 {
    font-size: 110px;
    text-transform: uppercase;
    font-weight: 300;
}
@media screen and (max-width: 1660px) {
    .videocontainer {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
        -ms-flex-direction: row;
        flex-direction: row;
        height: 100vh;
    }
    .banner-title {
        top: 40%;
    }
    .banner-title .lios h2 {
        font-size: 80px;
    }
    .banner-title-img h2 {
        font-size: 60px;
    }
    .banner-title-img h4 {
        font-size: 14px;
    }
    .banner {
        padding-bottom: 0;
    }
}
/* ----- Technology About ----- */
.technology {
    background: #f8f9fa;
    padding: 80px 0 200px;
    position: relative;
    overflow: hidden;
}
.technology:before {
    content: "";
    background: url(../images/circle-top-right.018e3b.svg);
    background-repeat: no-repeat;
    background-size: contain;
    width: 450px;
    height: 440px;
    position: absolute;
    top: -90px;
    right: -120px;
    animation: rotation 5s infinite linear;
}
@-webkit-keyframes rotation {
    from {
        -webkit-transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(359deg);
    }
  }
.technology-about p {
    font-size: 28px;
    font-weight: 300;
    color: #222;
}
.intro-default-banner-text {
    width: 70%;
    text-align: left;
    float: right;
}
.intro-default-banner-text h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #095763;
    padding: 0;
    text-align: left;
}
.intro-default-banner-text p {
    font-size: 22px;
    max-width: 100%;
    font-weight: 400;
    text-align: justify;
}
@media screen and (max-width: 1199px) {
    .intro-default-banner-text p {
        font-size: 18px;
    }
}
@media screen and (max-width: 991px) {
    .intro-default-banner-text {
        width: 100%;
    }
}
@media screen and (max-width: 767px) {
    .technology:before {
        width: 320px;
        height: 320px;
    }
}
/* ----- intro-default-banner ----- */
.intro-default-banner-service {
    margin-bottom: 80px;
}
.intro-default-banner-service-img img {
    border-radius: 60px 0 60px 0;
}
.intro-default-banner {
    margin-top: -160px;
    position: relative;
    margin-bottom: 80px;
}
.intro-default-banner h2 {
    margin-bottom: 40px;
}
.intro-default-banner h2 b {
    color: #095763;
}
.intro-default-banner-card .card-qs {
    background-color: #fff!important;
    border: 0;
    border-bottom-right-radius: 50px;
    height: 100%;
    margin: auto;
    max-width: 300px;
    padding: 10% 12%!important;
    box-shadow: 0 2px 8px 0 rgba(99,99,99,.2)!important;
    text-align: center;
    text-transform: capitalize;
}
.intro-default-banner-service-text h2 {
    margin-bottom: 20px;
    color: #095763;
    text-transform: uppercase;
}
.intro-default-banner-service-text h2 span {
    font-size: 26px;
    font-weight: 500;
    line-height: 1;
    margin-bottom: 10px;
    color: #e5b73b;
    display: block;
}
.intro-default-banner-service-text h2 strong {
    font-size: 32px;
    margin-bottom: 5px;
    display: inline-block;
}
.intro-default-banner-service-text p {
    font-size: 16px;
    margin-bottom: 20px;
    line-height: 2;
    font-weight: 400;
    text-align: justify;
}
@media screen and (max-width: 1199px) {
    .intro-default-banner-service-text h2 {
        font-size: 26px;
        margin-bottom: 10px;
    }
    .intro-default-banner-service-text h2 span {
        font-size: 22px;
    }
    .intro-default-banner-service-text p {
        font-size: 14px;
    }
}
@media screen and (max-width: 991px) {
    .technology {
        padding: 80px 0 140px;
    }
    .intro-default-banner {
        margin-top: -130px;
    }
    .intro-default-banner h2 {
        font-size: 26px;
    }
    .intro-default-banner-card .card-qs h3 {
        font-size: 22px;
    }
    .intro-default-banner-card .card-qs p {
        font-size: 13px;
    }
}
@media screen and (max-width: 767px) {
    .technology {
        padding: 40px 0;
        margin-bottom: 50px;
    }
    .intro-default-banner {
        margin-top: 0;
    }
    .intro-default-banner-text h3 {
        font-size: 22px;
    }
    .intro-default-banner-text p {
        font-size: 14px;
    }
    .intro-default-banner-card .card-qs {
        margin-bottom: 20px;
    }
    .intro-default-banner-service-text {
        margin-top: 30px;
    }
}
/* --------- Efficiency --------- */

.efficiency {
    background: #eaeaea;
    overflow: hidden;
    margin-bottom: 80px;
}
.efficiency_text {
    padding: 85px 0;
}
.efficiency_text h2 {
    color: #e5b73b;
    text-transform: uppercase;
    font-size: 26px;
}
.efficiency_text h2 b {
    color: #095763;
    font-size: 32px;
}
.efficiency_text p {
    line-height: 2;
    font-size: 16px;
    max-width: 520px;
    text-align: justify;
}
.efficiency_img {
    position: relative;
}
.efficiency_img:before,.efficiency_img:after {
    content: '';
    background-image: url(../images/cloud-before.png);
    background-repeat: no-repeat;
    background-size: contain;
    content: "";
    height: 360px;
    position: absolute;
}
.efficiency_img:before {
    animation: floatcloud1 6s infinite alternate;
    left: -220px;
    top: 250px;
    width: 150%;
    z-index: 0;
}
.efficiency_img:after {
    animation: floatcloud1 4s infinite alternate;
    left: 80px;
    top: 130px;
    width: 620px;
    z-index: 2;
}
.efficiency_img img {
    max-width: 500px;
    bottom: -80px;
    position: relative;
}
@-webkit-keyframes floatcloud1 {
    0% { transform: translateX(0); }
    100% { transform: translateX(-20px); }
}
@keyframes floatcloud1 {
    0% { transform: translateX(0); }
    100% { transform: translateX(-20px); }
}
@media screen and (max-width: 1199px) {
    .efficiency_img:before {
        width: 90%;
        left: -40px;
    }
    .efficiency_img:after {
        width: 410px;
    }
    .efficiency_text p {
        font-size: 14px;
    }
}
@media screen and (max-width: 991px) {
    .efficiency_text h2 {
        font-size: 22px;
    }
    .efficiency_text h2 b {
        font-size: 26px;
    }
}
@media screen and (max-width: 767px) {
    .efficiency_text {
        padding: 50px 0;
    }
    .efficiency_img img {
        bottom: 0;
    }
}

/* ----- Guarantee ------ */
.guarantee_about {
    margin-bottom: 80px;
}
.guarantee_about_img img {
    border-radius: 60px 0 60px 0;
}
.guarantee_about_text h2 {
    color: #095763;
    line-height: 1.5;
    text-transform: capitalize;
    font-size: 24px;
}
.generation_img img {
    border-radius: 60px 0 60px 0;
}
.guarantee_about_text h2 b {
    font-size: 32px;
    color: #095763;
    text-transform: uppercase;
}
.guarantee_about_text p {
    font-size: 16px;
    font-weight: 400;
    line-height: 2;
    text-align: justify;
}
.generation {
    padding: 80px 0;
}
.generation_text p {
    font-size: 16px;
    line-height: 2;
    font-weight: 400;
    text-align: justify;
}
.generation_text h2 {
    font-size: 24px;
    color: #e5b73b;
    text-transform: uppercase;
}
.generation_text h2 b {
    font-size: 32px;
    margin-bottom: 5px;
    display: inline-block;
    margin-top: 10px;
    color: #095763;
}
@media screen and (max-width: 1199px) {
    .guarantee_about_text h2 b {
        font-size: 26px;
    }
    .guarantee_about_text h2 span {
        font-size: 18px;
    }
    .guarantee_about_text p {
        font-size: 14px;
    }
    .generation_text h2 {
        font-size: 20px;
    }
    .generation_text h2 b {
        font-size: 26px;
    }
    .generation_text p {
        font-size: 14px;
    }
}
@media screen and (max-width: 991px) {
    .guarantee_about {
        margin-bottom: 30px;
    }
    .generation {
        padding: 40px 0 80px;
    }
    .guarantee_about_text {
        margin-top: 20px;
    }
}
@media screen and (max-width: 575px) {
    .guarantee_about_text h2 b {
        font-size: 20px;
    }
    .guarantee_about_text h2 span {
        font-size: 15px;
    }
}
/* ----- FAQ's ----- */
.technology_faq {
    margin-bottom: 80px;
}
.technology_faq_title {
    text-align: center;
    margin-bottom: 30px;
}
.technology_faq_title h2 {
    font-weight: 700;
    margin-bottom: 20px;
}
.technology_faq_title p {
    width: 77%;
    margin: auto;
    line-height: 1.5;
    font-size: 16px;
}
@media screen and (max-width: 991px) {
    .technology_faq_title p {
        font-size: 14px;
    }

}
/* ----- FAQ's ----- */

  .accordion .accordion-item {
    border: 1px solid #e5e5e5;
    padding: 28px 32px;
    margin-bottom: 20px;
  }
  .accordion button {
    position: relative;
    display: block;
    text-align: left;
    width: 100%;
    padding: 0;
    color: #7288a2;
    font-size: 1.15rem;
    font-weight: 400;
    border: none;
    background: none;
    outline: none;
    cursor: pointer;
  }
  .accordion button .accordion-title {
    padding: 1em 1.5em 1em 0;
    text-transform: capitalize;
  }
  .accordion button .icon {
    display: inline-block;
    position: absolute;
    top: 3px;
    right: 0;
    width: 22px;
    height: 22px;
    border: 1px solid;
    border-radius: 22px;
  }
  .accordion button .icon::before {
    display: block;
    position: absolute;
    content: "";
    top: 9px;
    left: 5px;
    width: 10px;
    height: 2px;
    background: currentColor;
  }
  .accordion button .icon::after {
    display: block;
    position: absolute;
    content: "";
    top: 5px;
    left: 9px;
    width: 2px;
    height: 10px;
    background: currentColor;
  }
  /* .accordion button[aria-expanded=true] {
    color: #03b5d2;
  } */
  .accordion button[aria-expanded=true] .icon::after {
    width: 0;
  }
  .accordion button[aria-expanded=true] + .accordion-content {
    opacity: 1;
    max-height: 9em;
    transition: all 200ms linear;
    will-change: opacity, max-height;
  }
  .accordion .accordion-content {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 200ms linear, max-height 200ms linear;
    will-change: opacity, max-height;
  }
  .accordion .accordion-content p {
    font-size: 1rem;
    font-weight: 300;
    margin: 2em 0;
  }
@media screen and (max-width: 991px) {
  .accordion button {
    font-size: 1rem;
  }
}
@media screen and (max-width: 575px) {
    .accordion button .accordion-title {
        font-size: 13px;
    }
}

/* ------ back-to-top ------*/
button.back-to-top{
    margin: 0 !important;
    padding: 0 !important;
    background: #fff;
      height: 0px;
    width: 0px;
    overflow: hidden;
      border-radius: 50px;
      -webkit-border-radius: 50px;
      -moz-border-radius: 50px;
    color: transparent;
      clear: both;
    visibility: hidden;
    position: fixed;
    cursor: pointer;
    display: block;
    border: none;
    right: 50px;
      bottom: 75px;
    font-size: 0px;
    outline: 0 !important;
    z-index: 99;
    -webkit-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
  }
  button.back-to-top:hover,
  button.back-to-top:active,
  button.back-to-top:focus{
    outline: 0 !important;
  }
  button.back-to-top::before,
  button.back-to-top::after {
    content: "";
      display: block;
      vertical-align: middle;
      border-bottom: solid 10px #095763;
      border-left: solid 10px transparent;
      line-height: 0;
      border-right: solid 10px transparent;
      height: 0;
      margin: 18px auto 0;
      width: 0;
    border-radius:20px;
    visibility: hidden;
  }
  button.back-to-top.show::after,
  button.back-to-top.show::before{
    visibility: visible;
  }
  button.back-to-top::after {
    border-bottom-color:#fff;
        position: relative;
    top:-24px;
  }
  button.back-to-top.show {
    display: block;
    background: #fff;
    color: #00ab6c;
    font-size: 25px;
    right: 25px;
      bottom: 50px;
    height: 50px;
    width: 50px;
    visibility: visible;
      box-shadow: 0px 2px 4px 1px rgba(0, 0, 0, 0.25);
    -webkit-box-shadow: 0px 2px 4px 1px rgba(0, 0, 0, 0.25);
    -moz-box-shadow: 0px 2px 4px 1px rgba(0, 0, 0, 0.25);
  }
  button.back-to-top.show:active {
    box-shadow: 0px 4px 8px 2px rgba(0, 0, 0, 0.25);
    -webkit-box-shadow: 0px 4px 8px 2px rgba(0, 0, 0, 0.25);
    -moz-box-shadow: 0px 4px 8px 2px rgba(0, 0, 0, 0.25);
  }