.book-column {
   max-width: 740px;
   margin: 0 auto;
}

.article-page {
   padding-top: 5.5rem;
}

.book-article {
   font-family: source-serif-pro, Georgia, Cambria, "Times New Roman", Times, serif;
   font-size: 21px;
   line-height: 1.58;
   letter-spacing: -0.003em;
   color: #242424;
   padding: 0;
   box-shadow: none;
   border: 0;
   background: transparent;
}

.book-article .title {
   font-family: sohne, "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 46px;
   line-height: 1.1;
   letter-spacing: -0.014em;
   margin-bottom: 0.8rem;
}

.book-article .subtitle {
   font-family: sohne, "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 22px;
   line-height: 1.4;
   letter-spacing: -0.003em;
   margin-bottom: 2.5rem;
   color: #6b6b6b;
}

.book-article .title + .subtitle {
   margin-top: 0.95rem;
}

.book-article h2 {
   font-family: sohne, "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 32px;
   line-height: 1.25;
   letter-spacing: -0.012em;
   margin-top: 2.75rem;
   margin-bottom: 1rem;
   font-weight: 700;
}

.book-article p {
   margin-bottom: 1.35rem;
}

.book-article .content ul,
.book-article .content ol {
   margin-left: 1.4rem;
}

.book-article .content li {
   margin-bottom: 0.65rem;
}

.book-article figure {
   margin: 2rem 0;
}

.book-article figure img {
   width: 100%;
   height: 600px;
   display: block;
   object-fit: contain;
}

.book-article figure.figure-natural img {
   height: auto;
   object-fit: initial;
}

.book-article figure figcaption {
   margin-top: 0.7rem;
   font-family: sohne, "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 14px;
   line-height: 1.4;
   color: #6b6b6b;
   text-align: center;
}

.book-article .article-footer {
   margin-top: 2.75rem;
}

@media screen and (max-width: 768px) {
   .article-page {
      padding-top: 4.75rem;
   }

   .book-article {
      font-size: 19px;
   }

   .book-article .title {
      font-size: 36px;
   }

   .book-article .subtitle {
      font-size: 20px;
   }

   .book-article h2 {
      font-size: 28px;
   }
}