body {
    overflow-x: hidden;
	line-height: 160%;
	font-size: 12pt;
	font-family: "Segoe WP","Trebuchet MS","Century Gothic","M+ 1m","ヒラギノ角ゴ Pro W3","Hiragino Kaku Gothic Pro","メイリオ",Meiryo,"ＭＳ Ｐゴシック",sans-serif;
}
img {
    width: 100%;
    height: auto;
}
.my_img{
  width:100%;
  padding: 0% 0%;
}
.my_title {
  background-color: #fff;
  border:1px solid #fff;
  margin: 0 auto;
  max-width: 800px;
  display: flex;
  flex-wrap: wrap;
  justify-content:center;
}
.tab_container {
  background-color: #fff;
  border:1px solid #fff;
  margin: 0 auto;
  max-width: 800px;
  display: flex;
  flex-wrap: wrap;
  justify-content:center;
}
.tab_item {
  width: calc(100%/6);
  max-width: calc(800px/6);
  padding:10px 0;
  border-bottom: 1px solid #f0f0f0 ;
  background-color: #fff;
  text-align: center;
  font-weight: normal;
  color: #404040 ;
  display: block;
  float: left;
  transition: all 0.2s ease;
}
.tab_item:hover {
  opacity: 0.75;
}
input[name="tab_item"] {
  display: none;
}
.tab_content {
  width: 800px;
  display: none;
  margin: 40px auto 20px;
<!--  display: none; -->
  padding: 1em 5em 1em;
  clear: both;
  overflow: hidden;
}
.tab_content_description{
  width: 100%;
  margin: 0% 0% 0%;
}
.tab_content_image{
  padding-top: 0em;
  padding-bottom: 2em;
  text-align: center;
}

#tab1:checked ~ #tab1_content,
#tab2:checked ~ #tab2_content,
#tab3:checked ~ #tab3_content,
#tab4:checked ~ #tab4_content,
#tab5:checked ~ #tab5_content,
#tab6:checked ~ #tab6_content {
  display: block;
}
.tab_container input:checked + .tab_item {
  background-color: #404040 ;
  color: #fff;
}