.letter-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 5vw, 64px);
  align-items: start;
}

.letter-aside {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.7;
  color: var(--ink-mute);
}

.letter-aside .k {
  color: var(--ink);
}

.letter {
  max-width: 820px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-wrap: pretty;
}

.letter p {
  margin-bottom: 0.8em;
}

.letter p::first-letter {
  float: left;
  padding: 6px 12px 0 0;
  font-style: italic;
  font-size: 1.6em;
  line-height: 1;
  color: var(--mint);
}

.signature {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 48px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.sig-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  color: var(--mint);
  transform: rotate(-4deg);
}

@media (min-width: 900px) {
  .letter-wrap {
    grid-template-columns: 220px 1fr;
  }
}