@charset "UTF-8";
/* 事務所画像 */

.office_images {
  width: 100%; 
  aspect-ratio: 512 / 300;
  overflow: hidden;
  position: relative;
  bottom: 0;
}

.office_images img {
  width: 100%;
  height: 100%;
  object-fit: contain; 
}

/* 会社概要　沿革 */
.section-cont table.history tr th{
  width: 15%!important;
}

figure.history-img {
  width: 30%;
  max-width:300px;
  margin-right: 0;
  margin-left: auto;
  float:right;
}

figure.history-img img {
  margin-top: -150px;
}
@media screen and (max-width: 768px) {
  figure.history-img {
  width: 90%;
  margin-right: auto;
  margin-left: auto;
  float: none;
}
figure.history-img img {
  margin-top:10px;
}
}



table.history tr td dl{
  display: flex;
}
table.history tr td dl > dt{
  width: 4rem;
  max-width: 50px;
  min-width:40px;
}

/* 技術情報　書籍 */
table.book-list tr td.book-img {
  padding: 1em 0.5em;
  max-width: 250px;
  width: 15%;
  margin: 0 auto;
}
table.book-list tr td.book-img img{
  max-width: 200px;
  min-width: 150px;
}

@media screen and (max-width: 768px) {
  .section-cont table.book-list tr td {
    border-bottom: none;
  }
  table.book-list tr td.book-img {
    width: 80%;
  }
}