strong {
  font-weight: bold;
}

em {
  font-style: italic;
}

blockquote {
  margin: 1.5em 0;
  border-left: 5px solid #ddd;
  padding: 1em 0 1em 10px;
  color: #777;
}

.wp-block-image::after {
  content: "";
  display: block;
  clear: both;
}

.aligncenter img {
  display: block;
  margin: 0 auto;
}

.wp-caption {
  max-width: 100%;
  border: 1px solid #ddd;
  text-align: left;
  background-color: #f3f3f3;
  padding: 5px;
  border-radius: 3px;
}

.wp-caption img {
  margin: 0;
  padding: 0;
  border: 0 none;
}

.wp-caption p.wp-caption-text {
  font-size: 14px;
  margin: 0;
  padding: 0;
}

@media screen and (max-width: 736px) {
  .has-large-font-size {
    font-size: 1.25em;
  }
}

.bg_area {
  max-width: 960px;
  margin: 20px auto;
  padding: 20px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  background-color: #e6eaee;
}
@media screen and (max-width: 736px) {
  .bg_area {
    margin: 20px;
  }
}

.layout_flex {
  max-width: 960px;
  margin: 20px auto;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
  gap: 10px;
}
.layout_flex .box {
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.layout_flex img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 10px;
}
.layout_flex.col_02 > * {
  width: calc((100% - 10px) / 2);
}
.layout_flex.col_03 > * {
  width: calc((100% - 20px) / 3);
}
.layout_flex.col_04 > * {
  width: calc((100% - 30px) / 4);
}
@media screen and (max-width: 736px) {
  .layout_flex {
    margin: 20px;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .layout_flex.col_02 > *, .layout_flex.col_03 > * {
    width: 100%;
    max-width: 240px;
  }
  .layout_flex.col_04 > * {
    width: calc((100% - 10px) / 2);
  }
}