body {
    font-family: Georgia, serif;
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    line-height: 1.8;
}

h1 {
    margin-bottom: 5px;
}

.address {
    color: #666;
}

.date {
    color: #666;
    margin-bottom: 30px;
}

.letter {
    white-space: pre-wrap;
}

.back {
    margin-top: 40px;
}

a {
    color: #004080;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.elegant-sep {
  margin: 0.5rem auto;
  width: min(70%, 680px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .75rem;
  color: var(--muted);
}
.elegant-sep::before, .elegant-sep::after {
  content: "";
  border-top: 1px solid var(--border);
}
.elegant-sep span {
  font-size: 1.15rem;
  line-height: 1;
  padding: 0 .6rem;
  letter-spacing: .08em;
  user-select: none;
}