.page-contact {
  --contact-gap: clamp(20px, 3vw, 32px);
  --contact-panel: var(--ink-deep);
}

.page-contact .crumb-sep {
  margin-inline: 8px;
  color: var(--muted);
}

.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .section-note {
  margin: 10px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* hero */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(24px, 4vw, 56px) clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--grid-line);
  background-image:
    linear-gradient(to right, rgba(43, 245, 160, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 245, 160, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: top left;
}

.page-contact .contact-hero__copy .display {
  margin: 12px 0 18px;
}

.page-contact .contact-hero__copy .lede {
  margin: 0;
  max-width: 52ch;
  color: var(--text-soft);
}

.page-contact .contact-hero__stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* channel cards */
.page-contact .channel-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--contact-panel);
  transition: background 0.22s ease;
}

.page-contact .channel-card:hover {
  background: var(--ink-raised);
}

.page-contact .channel-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--grid-line);
  background: rgba(43, 245, 160, 0.07);
  color: var(--signal);
}

.page-contact .channel-key {
  margin: 4px 0 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .channel-val {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* category disclosure */
.page-contact .cat-grid {
  display: grid;
  gap: 14px;
}

.page-contact .cat-item {
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: var(--contact-panel);
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-contact .cat-item[open] {
  border-color: rgba(43, 245, 160, 0.45);
  background: var(--ink-raised);
}

.page-contact .cat-summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-contact .cat-summary::-webkit-details-marker {
  display: none;
}

.page-contact .cat-summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -3px;
  border-radius: var(--radius);
}

.page-contact .cat-num {
  font-size: 13px;
  color: var(--amber);
}

.page-contact .cat-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .cat-time {
  padding: 2px 9px;
  border: 1px solid rgba(43, 245, 160, 0.4);
  border-radius: 999px;
  font-size: 11px;
  white-space: nowrap;
  color: var(--signal);
}

.page-contact .cat-body {
  padding: 14px 18px 20px;
  border-top: 1px dashed var(--grid-line);
}

.page-contact .cat-lead {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .cat-list {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .cat-list li::marker {
  color: var(--signal-deep);
}

.page-contact .cat-gain {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .cat-link {
  margin: 12px 0 0;
  font-size: 13.5px;
}

.page-contact .cat-link a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .cat-link a:hover {
  color: var(--text);
}

/* fix */
.page-contact .fix-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .fix-steps ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .fix-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--grid-line);
}

.page-contact .fix-idx {
  grid-row: span 2;
  padding-top: 4px;
  font-size: 13px;
  color: var(--amber);
}

.page-contact .fix-step h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--text);
}

.page-contact .fix-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .fix-link {
  margin: 22px 0 0;
}

.page-contact .fix-card {
  align-self: start;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: var(--contact-panel);
}

.page-contact .fix-card__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-contact .fix-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-contact .fix-card li::marker {
  color: var(--amber);
}

/* flow */
.page-contact .flow-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .flow-step {
  position: relative;
  padding: 18px;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: var(--contact-panel);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  transform: translateY(-3px);
  border-color: rgba(43, 245, 160, 0.45);
  background: var(--ink-raised);
}

.page-contact .flow-num {
  display: block;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-contact .flow-step h3 {
  margin: 10px 0 0;
  font-size: 16px;
  color: var(--text);
}

.page-contact .flow-period {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--signal);
}

.page-contact .flow-out {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .flow-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* timing */
.page-contact .timing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid-line);
}

.page-contact .timing-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .timing-key {
  grid-column: 1 / -1;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .timing-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .timing-val {
  font-size: 14px;
  text-align: right;
  color: var(--signal);
}

.page-contact .timing-note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .timing-note a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .timing-note a:hover {
  color: var(--text);
}

/* responsive */
@media (min-width: 640px) {
  .page-contact .timing-row {
    grid-template-columns: 5rem 1fr auto;
    align-items: center;
  }

  .page-contact .timing-key {
    grid-column: auto;
  }
}

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .cat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-contact .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 42px;
    right: -18px;
    width: 18px;
    border-top: 1px dashed var(--grid-line);
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-contact .fix-grid {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }
}
<<<END>>>