html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  background: transparent;
}
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}
.pc_flex {
  display: flex;
}
.sp {
  display: none;
}
.sp_flex {
  display: none;
}
@media screen and (max-width: 800px) {
  .pc {
    display: none;
  }
  .pc_flex {
    display: none;
  }
  .sp {
    display: block
  }
	  .sp_flex {
    display:flex;
  }
}