.post-content > .container {
  max-width: 900px;
}

@media (max-width: 940px) {
  .post-content > .container {
    max-width: 96%;
  }
}

@media (max-width: 767px) {
  .post-content > .container {
    max-width: 86.6%;
  }
}

.column-article {
  margin-top: 50px;
}

.article-date-category {
  display: flex;
  align-items: center;
  gap: 14px;
}

.article-date {
  font-size: 16px;
  color: #a1c4f4;
  font-weight: 700;
}

.article-category {
  font-size: 16px;
  background-color: #e5f2ff;
  padding: 2px 36px;
  border-radius: 21px;
  color: #004097;
  font-weight: 700;
}

.article-title {
  font-size: 39px;
  font-weight: 800;
  margin-top: -5px;
  margin-bottom: 45px;
  padding-bottom: 45px;
  border-bottom: 2px solid #dedede;
  color: #004097;
  line-height: 1.6;
}

.article-content h1 {
  font-size: 30px;
  font-weight: 700;
  color: #004097;
  margin-bottom: 30px;
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.article-content p {
  font-size: 18px;
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.03em;
  color: #000;
  margin-bottom: 20px;
  display: flex;
  column-gap: 4%;
}

.article-content h2 {
  font-size: 22px;
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.03em;
  color: #000;
  margin-bottom: 20px;
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin-top: 5px;
  margin-bottom: 5px;
}

.article-content img.aligncenter {
  margin-left: auto;
  margin-right: auto;
}

.article-content img.alignright {
  margin-left: auto;
  margin-right: 0;
}

.article-content img.alignleft {
  margin-left: 0;
  margin-right: auto;
}

.article-content a {
  color: #004097;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

@media screen and (max-width: 767px) {
  .column-article {
    margin-top: 9.3vw;
  }

  .article-date-category {
    gap: 3vw;
  }

  .article-date {
    font-size: 4.2vw;
  }

  .article-category {
    font-size: 3.46vw;
    padding: 0.6vw 3.3vw;
    border-radius: 5.5vw;
  }

  .article-title {
    font-size: 6.4vw;
    margin-top: 1vw;
    margin-bottom: 6vw;
    padding-bottom: 6vw;
    border-bottom: 0.5vw solid #dedede;
  }

  .article-content h1 {
    font-size: 5.3vw;
    margin-bottom: 2.8vw;
    line-height: 1.45;
  }

  .article-content p {
    font-size: 4.2vw;
    margin-bottom: 5.2vw;
    flex-direction: column;
    gap: 1.2vw;
  }

  .article-content h2 {
    font-size: 4.6vw;
    margin-bottom: 5.2vw;
    line-height: 1.45;
  }

  .article-content img {
    margin-top: 0;
    margin-bottom: 2.6vw;
  }

  .article-content a {
    text-underline-offset: 0.8vw;
  }
}

/*------------------------------------------------- column reviewed ------------------------------------------------- */

.column-reviewed .container {
  border: 2px solid #004097;
  border-radius: 20px;
  padding: 45px;
  margin-top: 70px;
}

.column-reviewed-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}

.column-reviewed-picture {
  width: 135px;
  height: 135px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
}

.column-reviewed-picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.column-reviewed-name p:first-child {
  font-size: 15px;
  font-weight: 700;
  color: #004097;
  letter-spacing: 0.1em;
}

.column-reviewed-name p:last-child {
  font-size: 26px;
  font-weight: 800;
  color: #000;
}

.column-reviewed-experience {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.5em;
}

.column-reviewed-experience li {
  font-size: 18px;
  font-weight: 600;
  color: #222222;
  line-height: 1.7;
  padding-left: 1em;
  position: relative;
}

.column-reviewed-experience li::before {
  content: "";
  position: absolute;
  width: 0.6em;
  height: 0.6em;
  background-color: #004097;
  border-radius: 50%;
  top: 0.55em;
  left: 0;
}

.column-reviewed-introduction {
  font-size: 16px;
  font-weight: 500;
  color: #717171;
  line-height: 2;
  margin-top: 10px;
}

@media (max-width: 767px) {
  .column-reviewed .container {
    border: 0.5vw solid #004097;
    border-radius: 2.6vw;
    padding: 6.4vw;
    margin-top: 10vw;
    width: 100% !important;
    max-width: 100% !important;
  }

  .column-reviewed-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 3.2vw;
  }

  .column-reviewed-picture-name {
    display: flex;
    align-items: center;
    gap: 6.6vw;
  }

  .column-reviewed-picture {
    width: 26vw;
    height: 26vw;
  }

  .column-reviewed-name p:first-child {
    font-size: 4.2vw;
  }

  .column-reviewed-name p:last-child {
    font-size: 5.3vw;
  }

  .column-reviewed-experience {
    flex-direction: column;
  }

  .column-reviewed-experience li {
    font-size: 4.1vw;
  }

  .column-reviewed-introduction {
    font-size: 4.2vw;
    margin-top: 1vw;
    line-height: 1.8;
  }
}

/*------------------------------------------------- share-container ------------------------------------------------- */

.share-container {
  padding: 25px 30px;
  border-top: 2px solid #004097;
  border-bottom: 2px solid #004097;
  width: fit-content;
  margin: 90px auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

div.heateor_sss_horizontal_sharing div.heateor_sss_sharing_ul a {
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16) !important;
  border-radius: 50% !important;
  transition: all 0.3s ease;
}

.share-container p {
  font-size: 20px;
  font-weight: 700;
  color: #004097;
  letter-spacing: 0;
}

div.heateor_sss_sharing_ul {
  display: flex;
  gap: 40px !important;
  justify-content: center;
  align-items: center;
}

@media (max-width: 767px) {
  .share-container {
    padding: 3.6vw 8vw 5vw;
    gap: 5.5vw;
    border-width: 0.5vw;
    margin-top: 12vw;
  }

  .share-container p {
    font-size: 4.2vw;
  }

  .heateor_sss_horizontal_sharing .heateor_sss_svg,
  .heateor_sss_standard_follow_icons_container .heateor_sss_svg {
    width: 13.3vw !important;
    height: 13.3vw !important;
  }

  div.heateor_sss_sharing_ul {
    gap: 6.6vw !important;
  }
}

/*------------------------------------------------- related posts ------------------------------------------------- */

.related-posts {
  margin-top: 40px;
  padding: 75px 0 0;
  margin-bottom: 180px;
}

.related-title {
  font-size: 38px;
  font-weight: 700;
  color: #004097;
  text-align: center;
  margin-bottom: 55px;
  letter-spacing: 0.1em;
}

.related-posts-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5%;
  margin: 0 auto;
  justify-content: center;
}

.related-posts-list.two-items {
  grid-template-columns: repeat(2, 1fr);
  max-width: 66.67%;
}

.related-posts-list.one-item {
  grid-template-columns: 1fr;
  max-width: 33.33%;
}

.related-post-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 20px;
  background-color: #fff;
  text-decoration: none;
  color: inherit;
  width: 100%;
}

.related-post-image {
  width: 100%;
  aspect-ratio: 326/206;
  object-fit: cover;
  border-radius: 15px;
  overflow: hidden;
}

.related-post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.related-post-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.related-post-title {
  font-size: 22px;
  color: #000;
  font-weight: 700;
  line-height: 1.36;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  margin-top: 12px;
  margin-bottom: 4px;
}

.related-post-excerpt {
  font-size: 16px;
  color: #717171;
  font-weight: 500;
  line-height: 1.56;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.related-post-excerpt.four-lines {
  -webkit-line-clamp: 4;
}

.related-post-excerpt.three-lines {
  -webkit-line-clamp: 3;
}

.related-post-excerpt.two-lines {
  -webkit-line-clamp: 2;
}

.related-post-excerpt.one-line {
  -webkit-line-clamp: 1;
}

.related-posts-button {
  margin-top: 40px;
  text-align: center;
}

.related-posts-button a {
  background: #004097;
  color: #fff;
  padding: 21px 50px;
  width: 310px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 20px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
  border: 2px solid #004097;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  margin: 0 auto;
  transition: all 0.3s ease;
}

.related-posts-button a::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  top: 50%;
  right: 35px;
  transform: translateY(-50%) rotate(45deg);
  transition: all 0.3s ease;
}

@media (max-width: 1148px) {
  .related-posts .container {
    max-width: 96%;
  }
}

@media (max-width: 767px) {
  .related-posts {
    margin-top: 13vw;
    padding: 15vw 0 0;
    margin-bottom: 13.6vw;
  }

  .related-posts .container {
    max-width: 86.6%;
  }

  .related-title {
    font-size: 7.7vw;
    margin-bottom: 7vw;
  }

  .related-posts-list {
    grid-template-columns: 1fr !important;
    max-width: 100% !important;
    gap: 0;
  }

  .related-post-item {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4.6vw;
    padding: 7vw 0;
    border-radius: 0;
    border-bottom: 0.3vw solid #c7c7c7;
  }

  .related-post-image {
    border-radius: 1.3vw;
    aspect-ratio: 124/72;
    width: 33vw;
  }

  .related-post-title {
    font-size: 4.8vw;
    margin-top: 0;
    margin-bottom: 0;
  }

  .related-post-excerpt {
    display: none;
  }

  .related-posts-button {
    margin-top: 14vw;
  }

  .related-posts-button a {
    padding: 4.2vw 5.5vw;
    width: 56vw;
    border-radius: 2.6vw;
    font-size: 4.2vw;
  }

  .related-posts-button a::before {
    width: 2.5vw;
    height: 2.5vw;
    right: 6vw;
    border-width: 0.6vw;
  }
}

@media (hover: hover) {
  .related-post-item:hover .related-post-image img {
    transform: scale(1.1);
  }

  .related-posts-button a:hover {
    background-color: #fff;
    color: #004097;
    border-color: #004097;
  }

  .related-posts-button a:hover::before {
    border-color: #004097;
    transform: translate(0.3em, -50%) rotate(45deg);
  }

  div.heateor_sss_horizontal_sharing div.heateor_sss_sharing_ul a:hover {
    opacity: 0.6;
  }
}

.heateor_sss_facebook svg {
  display: none !important;
}

.heateor_sss_facebook span {
  background-image: url(../images/icon-fb.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}