@media screen and (max-width: 780px) {

  html {
    position: relative;
    padding: 0;
    margin: 0;
    font-size: 27px;
    background: white;
    color: #000;
    font-family: 'GTE', sans-serif;
    max-width: 640px;
    min-width: unset;
    width: 640px;
    min-height: unset;
    height: auto;
  }

  body {
    margin: 0;
    padding: 0;
    background-color: white;
    height: auto;
    min-width: unset;
    overflow-x: hidden;

  }

  section {
    max-width: 640px;
    width: 640px;
    overflow-x: hidden;
    overflow-y: hidden;
  }

  .block-content {
    width: 640px;
    max-width: 640px;
    height: 100%;
    margin: auto;
    position: relative;
    margin-top: 0;
    padding: 15px;


  }

  .k-logo
  {
    margin-top: 16px;
  }

  .ta-logo
  {
    margin-top: 16px;
  }

  .block1 
  {
    height: 1800px;
  }

  .block1 h1
  {
    width: 100%;
    left: 0;
    top: 60px;
  }

  .block1 .img {
    top: 1150px;
    left: 0;
    position: absolute;
    width: 100%;
  }

  .block1 .lamp
  {
    display: none !important;
  }

  .block1 .z
  {
    display: none !important;
  }

  .block1 .article
  {
    width: 600px;
  }

  .block1 .article .title
  {
    font-size: 36px;
    line-height: 36px;
  }

  .block1 .article
  {
    top: 542px;
  }

  .block1 .article .desc
  {
    font-size: 21px;
    line-height: 23px;
    margin-bottom: 30px;
  }

  .block1 .article .button
  {
    font-size: 22px;
    margin-top: -10px;
  }

  .block1 .article .button::before
  {
    top: -8px;
  }

  .block1 .z2
  {
    display: none;
  }

  .block1 .infog {
    top: 900px;
    left: 21px;
    width: 600px;
    position: absolute;
  }

  .block1 h2
  {
    font-size: 40px;
  }

  .block3
  {
    height: 1600px;
  }

  .block3 .girl
  {
    display: none;
  }

  .block3 .z2
  {
    display: none;
  }

  .block3 .title
  {
    font-size: 40px;
    line-height: 42px;
    right: 181px;
    top: 40px;
  }

  .block3 .gr
  {
    display: none;
  }

  .block3 .text {
    position: absolute;
    left: -460px;
    top: 20px;
    width: 1100px;
  }

  .block3 .info {
    position: absolute;
    top: 690px;
    width: 700px;
    left: -20px;
  }

  .block3 .printer {
    position: absolute;
    top: 1140px;
    left: 0;
    width: 640px;
  }

  .block3 h2
  {
    display: none;
  }

  .block3 .leaf
  {
    top: 380px;
  }


  .block4 .printer img
{
	width: 100%;
}

.block4 .printer .gray {
    font-style: normal;
    font-weight: normal;
    font-size: 24px;
    line-height: normal;
    margin-left: 0;
    height: auto;
    background-color: #EDEDED;
    color: black;
    padding: 30px;
    margin-top: 0;
    margin-bottom: 28px;
    width: 100%;
    float: left;
}

.block4 .b1
{
	font-size: 22px;
    line-height: normal;
}

.block4 .button {
    float: left;
    font-style: normal;
    font-weight: bold;
    font-size: 28px;
    line-height: 121%;
    margin: 30px 0 0px 36px;
    position: relative;
}

.block4 .printer .gray .title2
{
	padding: 20px 0;
	font-size: 28px;
	line-height: normal;
}

.block_video {
    height: 600px;
    margin-top: 20px;
}

.block_video video
{
	top: 96px;
    object-fit: cover;
    width: 620px !important;
    height: 400px !important; 
}

.block_video .navigation {
    text-align: center;
    position: absolute;
    top: 520px;
    left: 180px;
}

.block_video h3
{
	text-align: center;
	font-size: 38px;
	left: 40px;
	top: 40px;
}

.block_banner
{
	width: 620px;
}


}