.contact-page {
  max-width: 68rem;
}

.contact-page .page-header {
  margin-bottom: 2.6rem;
}

.contact-letter {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(19rem, .9fr);
  gap: clamp(1.8rem, 4vw, 3.5rem);
  overflow: hidden;
}

.contact-letter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
}

.contact-letter::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8rem;
  background-image: var(--seigaiha);
  background-repeat: repeat;
  background-position: 0 100%;
  background-size: auto 130px;
  opacity: .06;
  -webkit-mask-image: linear-gradient(to top, #000 55%, transparent);
  mask-image: linear-gradient(to top, #000 55%, transparent);
  pointer-events: none;
}

.contact-letter__main,
.contact-notes {
  position: relative;
  z-index: 1;
}

.contact-letter__main {
  display: flex;
  flex-direction: column;
}

.contact-letter__lede {
  max-width: 34rem;
  color: var(--cream-dim);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.75;
}

.contact-envelope {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label seal"
    "mail seal";
  align-items: center;
  column-gap: clamp(1.2rem, 3vw, 2.2rem);
  row-gap: .75rem;
  margin: auto 0;
  padding: 2.4rem 0;
  font-style: normal;
}

.contact-envelope__label {
  grid-area: label;
  color: var(--gold);
  font-size: .76rem;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.contact-envelope__mail {
  grid-area: mail;
  width: fit-content;
  max-width: 100%;
  color: var(--cream);
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.25;
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid rgba(201, 162, 94, .45);
  padding-bottom: .35rem;
  transition: color .3s ease, border-color .3s ease;
}

.contact-envelope__mail:hover,
.contact-envelope__mail:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.contact-envelope__mail:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: .45rem;
}

.contact-seal {
  grid-area: seal;
  justify-self: end;
  width: 4.2rem;
  height: 4.2rem;
  display: grid;
  place-items: center;
  color: var(--cream);
  font-family: var(--brush);
  font-size: 2.15rem;
  line-height: 1;
  background: var(--vermillion);
  border-radius: 4px;
  box-shadow: 0 0 0 1px rgba(240, 234, 214, .28) inset, 0 16px 34px rgba(199, 62, 41, .18);
  transform: rotate(2deg);
  transition: transform .35s ease, box-shadow .35s ease;
}

.contact-envelope__mail:hover ~ .contact-seal,
.contact-envelope__mail:focus-visible ~ .contact-seal {
  transform: rotate(-2deg) scale(1.03);
  box-shadow: 0 0 0 1px rgba(240, 234, 214, .34) inset, 0 20px 42px rgba(199, 62, 41, .26);
}

.contact-notes {
  display: grid;
  align-content: start;
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
  border-left: 1px solid var(--panel-border);
}

.contact-notes__item {
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(201, 162, 94, .16);
}

.contact-notes__item:first-child {
  padding-top: 0;
}

.contact-notes__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-notes dt {
  color: var(--gold);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.contact-notes dd {
  margin-top: .5rem;
  color: var(--cream-dim);
  line-height: 1.7;
}

:lang(ja) .contact-envelope__label,
:lang(ja) .contact-notes dt,
:lang(zh-Hant) .contact-envelope__label,
:lang(zh-Hant) .contact-notes dt {
  text-transform: none;
  letter-spacing: .08em;
}

@media (max-width: 900px) {
  .contact-page .page-header {
    margin-bottom: 1.8rem;
  }

  .contact-letter {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .contact-letter__main {
    padding-bottom: 1.8rem;
    border-bottom: 1px solid var(--panel-border);
  }

  .contact-envelope {
    margin: 0;
    padding: 2rem 0 1.8rem;
  }

  .contact-seal {
    width: 3.7rem;
    height: 3.7rem;
    font-size: 1.85rem;
  }

  .contact-notes {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 560px) {
  .contact-envelope {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "label"
      "mail"
      "seal";
    row-gap: .9rem;
  }

  .contact-seal {
    width: 3.4rem;
    height: 3.4rem;
    font-size: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-envelope__mail,
  .contact-seal {
    transition: none;
  }
}