table {
  border-collapse: collapse;
  width: 1000px;
  margin: 0 auto 1rem;
}
table th,
table td {
  font-size: 0.89rem;
  border: 1px solid black;
  padding: 15px;
  text-align: left;
  vertical-align: middle;
  font-weight: bold;
}
table th {
  text-align: center;
}
.blog-list {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  justify-content: center;
}
.blog-item {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #ddd;
  /* max-width: 350px; */
  width: 100%;
  margin: 0 auto;
}
.blog-item a {
  display: block;
  text-decoration: none;
  color: inherit;
}
.blog-item__thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.blog-item__content {
  padding: 15px;
}
.blog-item__date {
  font-size: 14px;
  color: #777;
  margin-bottom: 10px;
}
.blog-item__title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}
.blog-item__excerpt {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}
.top-seo-contents h2 {
  margin-top: 100px;
  font-weight: bold;
  font-size: 2.2rem;
}
.top-seo-contents h2 .circle {
  font-size: 1em;
  color: #54acd4;
}
.top-seo-contents h3 {
  padding-top: 30px;
  font-size: 2.3rem;
  font-weight: bolder;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}
.top-seo-contents h3:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: #54acd4;
}
@media screen and (max-width: 767px) {
  table {
    width: 85%;
    margin: auto;
  }
  table th,
  table td {
    font-size: 12px;
    border: 1px solid black;
    padding: 5px;
    text-align: left;
    vertical-align: middle;
    font-weight: bold;
  }
  table th {
    text-align: center;
    padding: 0 20px;
  }
  table td {
    padding: 5px;
  }
  .top-seo-contents h2 {
    margin-top: 10%;
    font-size: 1.3rem;
  }
  .top-seo-contents h2 .circle {
    font-size: 1em;
    color: #54acd4;
  }
  .top-seo-contents h3 {
    font-size: 1.1rem;
    font-weight: bolder;
    position: relative;
    display: inline-block;
    padding-bottom: 5px;
  }
  .top-seo-contents h3:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #54acd4;
  }
}