img {
  display: block;
  max-width: 100%;
  height: auto;
}
img[src="images/spacer.gif"] {
  display: none;
}
hr {
  max-width: 90%;
  width: 450px;
}
h2 {
  margin: 1em auto;
}
.yodogawa {
  width: 80%;
  margin: 2em auto;
}
table {
  max-width: 100%;
}
table.toc td {
  vertical-align: top;
}
table.toc td .date_back {
  background-image: none;
  background-color: #DADADE;
  border-radius: 1em;
}
.ask_back {
  background-image: url(images/oshiete_02.gif);
  background-size: contain;
}
.talk_body {
  margin-top: 1em;
}
.pic {
  margin: 2em auto;
}
@media screen and (min-width: 481px) {
  .sp_head {
    display: none;
  }
  .speaker:not(.pcsp) {
    display: none;
  }
}
@media screen and (max-width: 480px) {
  .pc_head {
    display: none;
  }
  h2 {
    width: 90%;
  }
  .asc_wrap {
    width: 96%;
  }
  .ask {
    width: 90%;
  }
  .header_pic {
    width: 90%;
    margin: 1.5em auto;
  }
  .talk_body td:not(.small), .talk_body tr {
    text-align: left;
    background: unset;
    height: auto;
  }
  .speaker {
    font-weight: bold;
    margin-left: -0.75em;
    line-height: 2em;
  }
  .kaijou {
    margin-left: -0.75em;
  }
  img[src="images/i_01.gif"],
  img[src="images/i_03.gif"],
  img[src="images/i_06.gif"],
  img[src="images/i_08.gif"],
  img[src="images/i_09.gif"],
  img[src="images/t_01.gif"],
  img[src="images/t_03.gif"],
  img[src="images/t_06.gif"],
  img[src="images/t_08.gif"],
  img[src="images/t_09.gif"] {
      display: none;
  }
}