/* 使用 UTF-8 without BOM */

#divWrapper
{
  width: 1000px;
  display: flex;
  margin: 1em auto;
}

#divMenu
{
  width: 270px;
  min-width: 270px;
}

#divContent
{
  width: auto;
  padding-left: 45px;
  padding-bottom: 70px;  
}

#divContent img
{
  max-width: 700px;
}

#id_bg_half_left
{
  position: fixed;
  top: 0;
  left: 0;
  z-index: -10;
  width: calc(50% - 500px + 270px + 1em);
  height: 2000px;
}

#id_bg_half_right
{
  position: fixed;
  top: 0;
  left: calc(50% - 500px + 270px + 1px + 1em);
  z-index: -10;
  width: calc(100% - 50% + 500px - 270px - 1em);
  height: 2000px;
}

#id_bg_left_top_flower
{
  position: fixed;
  left: 0;
  top: 0;
  z-index: -8;
  width: 344px;
  height: 768px;
}

#id_bg_right_bottom_flower
{
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: -8;
  width: 596px;
  height: 768px;
}

#id_bg_bottom_horizontal
{
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: -9;
  height: 69px;
  width: calc(100% - 50% + 500px - 270px - 1em);
}

#id_bg_right_vertical
{
  position: fixed;
  right: 0;
  top: 0;
  z-index: -9;
  height: 100%;
  width: 84px;
}

#id_fg_light
{
  width: 92px;
  height: 400px;
  
  position: fixed;
  top: 0;
  left: calc(50% - 500px + 270px + 1px + 1em - 50px);
  z-index: 1;
}