.page-contact {
  --contact-offset: clamp(0px, 2vw, 24px);
}

.page-contact .contact-hero-section {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-contact .contact-hero {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .contact-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  margin: 10px 0 0;
  color: var(--warm);
}

.page-contact .contact-intro .lede {
  margin-top: 16px;
  max-width: 46ch;
  color: var(--mist);
}

.page-contact .duty-board {
  margin-top: clamp(22px, 3vw, 32px);
  background: var(--ink-800);
  border: 2px solid var(--line-strong);
  box-shadow: 10px 10px 0 rgba(255, 107, 42, 0.82);
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .duty-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--line);
}

.page-contact .duty-lamp {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  background: var(--signal);
  border: 2px solid var(--warm);
  box-shadow: 0 0 0 4px rgba(255, 107, 42, 0.18);
}

.page-contact .duty-status {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .duty-list {
  margin: 0;
  padding: 0;
}

.page-contact .duty-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .duty-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .duty-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist-dim);
  text-transform: uppercase;
}

.page-contact .duty-row dd {
  margin: 0;
}

.page-contact .duty-tel {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--warm);
  line-height: 1.15;
}

.page-contact .duty-mail {
  font-family: var(--font-mono);
  font-size: clamp(13px, 2vw, 17px);
  color: var(--cyan);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color var(--ease), background-color var(--ease);
}

.page-contact .duty-mail:hover {
  color: var(--ink-900);
  background: var(--cyan);
  text-decoration: none;
}

.page-contact .duty-note {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .duty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .duty-figure {
  margin: 0;
}

.page-contact .duty-media {
  border: 2px solid var(--line-strong);
  overflow: hidden;
}

.page-contact .duty-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-contact .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist-dim);
}

.page-contact .contact-quad-section {
  border-top: 2px solid var(--line);
}

.page-contact .contact-net {
  margin-top: clamp(20px, 3vw, 32px);
  border: 2px solid var(--line);
}

.page-contact .contact-net img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .quad-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .quad-card {
  position: relative;
  background: var(--ink-800);
  border: 2px solid var(--line);
  padding: clamp(18px, 2.6vw, 28px);
  transition: border-color var(--ease), background-color var(--ease), box-shadow var(--ease);
}

.page-contact .quad-card:hover,
.page-contact .quad-card:focus-within {
  border-color: var(--signal);
  background: var(--ink-700);
  box-shadow: 6px 6px 0 rgba(255, 107, 42, 0.6);
}

.page-contact .quad-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--signal);
  border-bottom: 2px solid currentColor;
  padding-bottom: 3px;
}

.page-contact .quad-card:nth-child(2) .quad-num {
  color: var(--cyan);
}

.page-contact .quad-card:nth-child(3) .quad-num {
  color: var(--blue);
}

.page-contact .quad-card h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-contact .quad-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .quad-card details {
  margin-top: 16px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 6px;
}

.page-contact .quad-card summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

.page-contact .quad-card summary::after {
  content: "＋";
  font-size: 15px;
  line-height: 1;
}

.page-contact .quad-card details[open] summary::after {
  content: "－";
}

.page-contact .quad-card details[open] summary {
  color: var(--signal);
}

.page-contact .quad-card details p {
  margin-top: 4px;
  padding-bottom: 6px;
  font-size: 14px;
}

.page-contact .quad-card summary:focus-visible,
.page-contact .duty-mail:focus-visible,
.page-contact .time-links a:focus-visible,
.page-contact .partner-copy a:focus-visible,
.page-contact .floor-value a:focus-visible,
.page-contact .duty-actions a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-time-section {
  border-top: 2px solid var(--line);
}

.page-contact .time-panel {
  border-left: 6px solid var(--cyan);
  padding: 4px 0 4px clamp(18px, 3vw, 30px);
  max-width: 78ch;
}

.page-contact .time-panel h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--warm);
  margin: 10px 0 0;
}

.page-contact .time-list {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .time-list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .time-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  background: var(--signal);
}

.page-contact .time-links {
  margin-top: clamp(18px, 2.4vw, 24px);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-contact .time-links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-partner-section {
  border-top: 2px solid var(--line);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-contact .partner-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.22;
  color: var(--warm);
  margin: 10px 0 0;
}

.page-contact .partner-copy p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .partner-copy a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .partner-side {
  background: var(--ink-700);
  border: 2px solid var(--line-strong);
  padding: clamp(20px, 2.6vw, 28px);
  align-self: start;
}

.page-contact .partner-side-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist-dim);
}

.page-contact .partner-side-value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  color: var(--signal);
  line-height: 1.1;
}

.page-contact .partner-side-note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--warm);
}

.page-contact .partner-side-title + .partner-side-value + .partner-side-note + .partner-side-title {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-strong);
}

.page-contact .partner-side .partner-side-value:nth-of-type(2) {
  color: var(--cyan);
}

.page-contact .contact-floor-section {
  border-top: 2px solid var(--line);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .contact-floor {
  background: var(--paper);
  color: var(--ink-900);
  border: 2px solid var(--ink-900);
  box-shadow: 12px 12px 0 var(--blue);
  padding: clamp(22px, 3.4vw, 40px);
  margin-right: clamp(0px, 2vw, 14px);
}

.page-contact .contact-floor h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 900;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--ink-900);
}

.page-contact .floor-grid {
  display: grid;
  gap: 18px 24px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .floor-cell {
  border-top: 2px solid rgba(9, 14, 36, 0.18);
  padding-top: 10px;
}

.page-contact .floor-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #4a5468;
}

.page-contact .floor-value {
  margin: 6px 0 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .floor-mono {
  font-family: var(--font-mono);
  font-weight: 500;
}

.page-contact .floor-value a {
  color: #0b3f8f;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .floor-note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding-top: 14px;
  border-top: 2px dashed rgba(9, 14, 36, 0.25);
  font-size: 14px;
  line-height: 1.75;
  color: #303a4d;
}

@media (min-width: 720px) {
  .page-contact .quad-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .duty-figure {
    position: sticky;
    top: 28px;
  }

  .page-contact .duty-media img {
    aspect-ratio: 3 / 4;
    min-height: 420px;
  }

  .page-contact .quad-grid {
    gap: 20px;
  }

  .page-contact .quad-card:nth-child(2) {
    transform: translateY(var(--contact-offset));
  }

  .page-contact .quad-card:nth-child(4) {
    transform: translateY(var(--contact-offset));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .quad-card,
  .page-contact .duty-mail {
    transition: none;
  }

  .page-contact .quad-card:nth-child(2),
  .page-contact .quad-card:nth-child(4) {
    transform: none;
  }
}