@charset "utf-8";

.container > .contents {
  /* display: none; */
}

.container > .topbox {
  display: none;
}

@media screen and (max-width: 750px) {
  .article-title-box {
    padding-top: 0;
    background-color: #090909;
  }
  .article-title-box_i {
    position: relative;
  }
}
@media screen and (max-width: 1040px) and (min-width: 751px) {
  .article-title-box {
    margin-top: 0px;
  }
}

@media screen and (min-width: 1041px){
  .container > .contents {
  }
  .y2017 > .contents-bg { background-image: url(../2017/images/main001.jpg);}
  .y2016 > .contents-bg { background-image: url(../2016/images/main001.jpg);}
  .y2015 > .contents-bg { background-image: url(../2015/images/main001.jpg);}
  .y2014 > .contents-bg { background-image: url(../2014/images/main001.jpg);}
  .y2013 > .contents-bg { background-image: url(../2013/images/main001.jpg);}
  .y2012 > .contents-bg { background-image: url(../2012/images/main001.jpg);}
  .y2011 > .contents-bg { background-image: url(../2011/images/main001.jpg);}
  .y2010 > .contents-bg { background-image: url(../2010/images/main001.jpg);}
  .y2009 > .contents-bg { background-image: url(../2009/images/main001.jpg);}
  .y2008 > .contents-bg { background-image: url(../2008/images/main001.jpg);}
  .y2007 > .contents-bg { background-image: url(../2007/images/main001.jpg);}
  .y2006 > .contents-bg { background-image: url(../2006/images/main001.jpg);}
  .y2005 > .contents-bg { background-image: url(../2005/images/main001.jpg);}
  .container > .contents > .contents-bg {
    position: fixed;
    top: 0;
    left: 850px;
    width: calc(100% - 850px);
    height: 100vh;
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: cover;
  }
  .container > .contents {
      padding-left: 0;
      padding-right: calc(100% - 750px);
  }
}