body {
  background: #ddd;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Yu Gothic", YuGothic, "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
}

p {
  font-size: 16px;
  line-height: 1.7;
}

/* no gutters */

.no-gutters {
  margin-right: 0;
  margin-left: 0;

  >.col,
  >[class*="col-"] {
    padding-right: 0;
    padding-left: 0;
  }
}

.wrap {
  background: #fff;
  max-width: 40em;
  margin: 0 auto;
}

footer {
  background: #333;
}

footer p {
  color: #efefef;
  font-size: .75rem;
  padding: 2rem 0;
  text-align: center;
}

.logo {
  margin: 0 auto;
  max-width: 300px;
  padding: 1rem 0;
}

.breadcrumb {
  font-size: .75rem;
  margin: 1rem;
}

h1 {
  border-bottom: 3px solid #60bfff;
  color: #09f;
  font-size: 24px;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 1rem;
  padding-bottom: 0.25rem;
}

h2 {
  border-top: 2px solid #565656;
  border-bottom: 2px solid #565656;
  color: #333;
  clear: both;
  font-size: 20px;
  font-weight: bold;
  line-height: 1.2;
  margin: 32px 0;
  padding: 12px 8px;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, .3);
}

h3 {
  color: #444;
  clear: both;
  font-size: 16px;
  font-weight: bold;
  line-height: 1.2;
  padding: 0 0 0.2em 0;
  margin: 24px 0;
  border-bottom: solid 3px #fcd9e9;
}

h4 {
  border-top: 1px dashed #666;
  border-bottom: 1px dashed #666;
  font-size: 15px;
  font-weight: bold;
  position: relative;
  color: #444;
  clear: both;
  margin: 24px 0;
  padding: 8px;
  text-shadow: 1px 1px 1px #eee;
}

.main-image {
  margin-bottom: 1.2rem;
  text-align: center;
}

.rel-img {
  margin-bottom: 1.2rem;
  padding-left: 0;
}

.rel-img li {
  list-style: none;
  font-size: 14px;
  line-height: 1.3;
  margin-bottom: 15px;
}

.rel-img li a {
  color: #555;
  display: block;
  padding: 8px 4px;
  box-shadow: 0 0 2px rgba(0, 0, 0, .25);
  min-height: 65px;
}

.rel-img li a:hover {
  background: #eee;
  box-shadow: 0 0 6px rgba(0, 0, 0, .25);
  transition: .2s;
  text-decoration: none;
}

/* アンダーラインつきリンク */
.u_line,
.u_line:visited {
  color: #17819C;
  text-decoration: underline;
}

/* 画像 */
.img_frame {
  margin: 0 auto 20px;
  width: 100%;
}

.img_frame img {
  width: 100%;
}

.img_frame a {
  color: #4B4B4B;
  position: relative;
}

.img_frame__center {
  margin: 0 auto 20px;
  width: 100%;
}

.img_full {
  margin: 16px auto;
}

.img_full .caption_contents {
  width: 100%;
}

.pc_half {
  width: 100%;
  height: auto;
  display: block;
}

.figure_contents {
  display: flex;
  margin: 0;
  flex-direction: column;
}

.figure_contents img {
  display: block;
}

.caption_contents {
  caption-side: bottom;
  color: #4B4B4B;
  display: table-caption;
  position: relative;
  text-align: center;
  background: #E6E6E6;
  font-size: 15px;
  padding: 10px 0 30px;
}

.caption_contents::after {
  box-sizing: border-box;
  content: '';
  display: block;
  margin: 10px auto;
  position: absolute;
  border-bottom: solid 12px transparent;
  border-left: solid 12px transparent;
  border-right: solid 12px transparent;
  border-top: solid 12px #17819C;
  left: 50%;
  bottom: -13px;
  width: 12px;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
}

/* clearfix */
.common_clearfix::after {
  content: '';
  display: block;
  clear: both;
}

.common_clearfix::before {
  content: '';
  display: block;
  clear: both;
}

.common_clearfix {
  display: block;
}


@media screen and (min-width:700px) {
  .img_frame {
    margin: 20px auto;
  }

}