.oc-treatment-author {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 720px;
  margin: 0 auto;
  padding: 32px;
  background: #fff;
  border: 1px solid #dce5ee;
  box-sizing: border-box;
}

.oc-treatment-author__photo {
  width: 220px;
  height: 220px;
  object-fit: cover;
  object-position: 30% center;
  flex-shrink: 0;
}

.oc-treatment-author__body {
  flex: 1;
  min-width: 0;
}

.oc-treatment-author .oc-treatment-author__title {
  color: #53718e;
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.oc-treatment-author .oc-treatment-author__name {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.08em;
  margin: 0 0 24px;
}

.oc-treatment-author .btnstyle {
  margin: 0;
  text-align: left;
}

.oc-treatment-author .btnstyle a {
  min-width: 180px;
}

@media (max-width: 599px) {
  .oc-treatment-author {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
    text-align: center;
  }

  .oc-treatment-author__photo {
    width: 180px;
    height: 180px;
  }

  .oc-treatment-author .oc-treatment-author__name {
    font-size: 2.4rem;
  }

  .oc-treatment-author .btnstyle {
    text-align: center;
  }
}

div.oc-author-greeting {
  margin-bottom: 2.4rem;
}

.oc-author-name-heading__ja,
.oc-author-name-heading__en {
  display: block;
}

.oc-author-name-heading__en {
  font-size: 0.55em;
  letter-spacing: 0.08em;
  margin-top: 0.35em;
}

.oc-author-section + .oc-author-section {
  margin-top: 2.4rem;
}

.oc-author-section--career + .oc-author-section--affiliation {
  margin-top: 4.8rem;
}

.oc-author-section + .oc-author-section--related {
  margin-top: 4.8rem;
}

.oc-author-related-posts time {
  display: inline-block;
  margin-right: 1em;
}

.oc-post-author {
  background: #eaf0f7;
  margin-top: 48px;
  padding: 24px;
}

.oc-post-author__heading {
  color: #00387f;
  font-size: 1.2rem;
  margin: 0 0 16px;
}

.oc-post-author__link {
  color: inherit;
  display: flex;
  gap: 16px;
  text-decoration: none;
}

.oc-post-author__avatar {
  flex: 0 0 120px;
}

.oc-post-author__avatar img {
  aspect-ratio: 1;
  display: block;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.oc-post-author__name {
  color: #00387f;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 8px;
}

.oc-post-author__titles {
  color: #685353;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.85rem;
  gap: 6px 12px;
  margin: 0 0 6px;
}

.oc-post-author__introduction {
  font-size: 1.5rem;
  line-height: 1.8;
  margin: 0;
  white-space: pre-line;
}

@media (max-width: 599px) {
  .oc-author-related-posts time {
    display: block;
    margin-right: 0;
  }

  .oc-post-author__avatar {
    flex-basis: 96px;
  }
}