.page-contact {
  --contact-dash: repeating-linear-gradient(90deg, var(--line) 0 7px, transparent 7px 14px);
  --contact-glow: rgba(53, 240, 208, 0.12);
  position: relative;
  overflow-x: clip;
  color: var(--bone);
  background:
    radial-gradient(900px 460px at 88% -6%, rgba(53, 240, 208, 0.1), transparent 62%),
    radial-gradient(700px 400px at 4% 18%, rgba(143, 123, 255, 0.08), transparent 65%),
    var(--bg-deep);
}

.page-contact .contact-head {
  padding-top: 20px;
  padding-bottom: 6px;
}

.page-contact .board-section {
  padding-top: 18px;
  padding-bottom: 52px;
}

.page-contact .board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.page-contact .board-left {
  padding: 26px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(158deg, #14342c 0%, var(--bg-panel) 68%, #102a24 100%);
}

.page-contact .board-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.02em;
}

.page-contact .board-lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
  max-width: 46ch;
}

.page-contact .type-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .type-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--bone);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .type-link::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grey);
  flex: 0 0 auto;
}

.page-contact .type-link--stat::before { background: var(--cyan); }
.page-contact .type-link--list::before { background: var(--orange); }
.page-contact .type-link--coop::before { background: var(--violet); }
.page-contact .type-link--access::before { background: var(--grey); }

.page-contact .type-link:hover,
.page-contact .type-link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
  outline: none;
}

.page-contact .type-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(53, 240, 208, 0.25);
}

.page-contact .board-meta {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: 14px;
  line-height: 1.65;
  color: var(--grey);
}

.page-contact .board-meta .num {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.04em;
}

.page-contact .board-right {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
}

.page-contact .sheet-visual {
  position: absolute;
  inset: 0;
  margin: 0;
}

.page-contact .sheet-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.7) contrast(1.06);
}

.page-contact .sheet-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 25, 0.55) 0%, rgba(11, 31, 25, 0.9) 52%, rgba(6, 18, 14, 0.97) 100%);
}

.page-contact .sheets {
  position: relative;
  padding: 26px 20px;
}

.page-contact .sheet-anchor {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.page-contact .sheet {
  display: none;
  padding: 20px 18px;
  border: 2px dashed var(--line);
  border-radius: var(--radius-lg);
  background: rgba(6, 18, 14, 0.6);
}

.page-contact .sheet--stat { display: block; }

.page-contact .sheet-anchor:target ~ .sheet { display: none; }

.page-contact #m-stat:target ~ .sheet--stat,
.page-contact #m-list:target ~ .sheet--list,
.page-contact #m-coop:target ~ .sheet--coop,
.page-contact #m-access:target ~ .sheet--access { display: block; }

.page-contact .sheet-title {
  margin: 10px 0 14px;
  font-size: clamp(18px, 3.2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.page-contact .sheet-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .sheet-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .sheet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-contact .sheet-list strong {
  color: var(--bone);
  font-weight: 600;
}

.page-contact .mail-sample {
  margin: 0;
  padding: 14px 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.4);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .contact-slab {
  padding-top: 46px;
  padding-bottom: 46px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #102c25 0%, var(--bg-shadow) 100%);
}

.page-contact .contact-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
}

.page-contact .contact-line {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.8vw, 30px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-value:hover,
.page-contact .contact-value:focus-visible {
  color: var(--bone);
  outline: none;
}

.page-contact .contact-value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.4vw, 20px);
  line-height: 1.65;
  color: var(--bone);
  letter-spacing: 0.01em;
}

.page-contact .contact-use {
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

.page-contact .contact-line--addr {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .contact-note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .rhythm {
  padding-top: 52px;
  padding-bottom: 52px;
}

.page-contact .rhythm-lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
  max-width: 54ch;
}

.page-contact .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow__step {
  position: relative;
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(18, 48, 42, 0.72);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-contact .flow__step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 34px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--line);
  transition: background-color var(--dur) var(--ease), width var(--dur) var(--ease);
}

.page-contact .flow__step:hover {
  border-color: rgba(53, 240, 208, 0.45);
  transform: translateY(-3px);
}

.page-contact .flow__step:hover::after {
  background: var(--cyan);
  width: 62px;
}

.page-contact .flow__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .flow__step h3 {
  margin: 8px 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.4;
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .version-note {
  margin-top: 24px;
  padding: 20px 20px 20px 22px;
  border: 1px solid rgba(255, 122, 47, 0.38);
  border-radius: var(--radius-md);
  background: rgba(255, 122, 47, 0.08);
}

.page-contact .version-note h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--yellow);
  letter-spacing: 0.02em;
}

.page-contact .version-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--bone);
  opacity: 0.86;
}

.page-contact .coop {
  padding-bottom: 54px;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-contact .coop-lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--grey);
  max-width: 48ch;
}

.page-contact .coop-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--violet);
}

.page-contact .coop-tail {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--bone);
}

.page-contact .coop-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

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

.page-contact .other {
  padding-bottom: 56px;
}

.page-contact .other-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.page-contact .other-card {
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
}

.page-contact .other-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

.page-contact .other-card p {
  margin: 10px 0 18px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--grey);
}

.page-contact .closing-band {
  padding-top: 32px;
  padding-bottom: 36px;
  border-top: 1px solid var(--line);
  background: linear-gradient(96deg, rgba(53, 240, 208, 0.14) 0%, rgba(143, 123, 255, 0.1) 72%, transparent 100%);
}

.page-contact .closing-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-contact .closing-text {
  margin: 0;
  max-width: 36ch;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.7vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--bone);
}

@media (min-width: 700px) {
  .page-contact .contact-lines {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px 34px;
  }

  .page-contact .contact-line--addr {
    grid-column: 1 / -1;
  }

  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .board-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 28px;
  }

  .page-contact .board-left {
    padding: 32px 30px 30px;
  }

  .page-contact .sheets {
    padding: 32px 30px;
  }

  .page-contact .board-right {
    min-height: 440px;
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

  .page-contact .other-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-contact .other-card:nth-child(2) {
    margin-top: 30px;
  }
}

@media (min-width: 1180px) {
  .page-contact .board-left {
    padding: 40px 38px 34px;
  }

  .page-contact .contact-slab {
    padding-top: 58px;
    padding-bottom: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .type-link,
  .page-contact .flow__step,
  .page-contact .flow__step::after,
  .page-contact .contact-value {
    transition: none;
  }

  .page-contact .type-link:hover,
  .page-contact .flow__step:hover {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>