.page-contact .hero-contact {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--orange);
}

.page-contact .hero-contact__media {
  position: absolute;
  inset: 0;
}

.page-contact .hero-contact__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: grayscale(0.35) contrast(1.05);
}

.page-contact .hero-contact__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 61, 46, 0.5) 0%, rgba(11, 61, 46, 0.92) 62%, var(--ink) 100%);
}

.page-contact .hero-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(247, 249, 248, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 249, 248, 0.06) 1px, transparent 1px);
  background-size: 80px 80px;
}

.page-contact .hero-contact__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(22px, 3.4vw, 42px) clamp(34px, 5vw, 72px);
}

.page-contact .hero-contact .breadcrumbs {
  font-size: 13px;
  color: var(--on-ink-dim);
}

.page-contact .hero-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(247, 249, 248, 0.4);
}

.page-contact .hero-contact .breadcrumbs a {
  color: var(--on-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark-strong);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .hero-contact .breadcrumbs a:hover,
.page-contact .hero-contact .breadcrumbs a:focus-visible {
  color: var(--orange-hi);
  border-bottom-color: var(--orange);
}

.page-contact .hero-contact h1 {
  margin: clamp(14px, 2.2vw, 24px) 0 0;
  max-width: 22ch;
  font-size: clamp(28px, 4.6vw, 50px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-contact .hero-contact__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--on-ink);
}

.page-contact .hero-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .hero-contact__meta {
  display: grid;
  gap: 16px;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-dark);
}

.page-contact .hero-contact__meta div {
  min-width: 0;
}

.page-contact .hero-contact__meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--on-ink-dim);
}

.page-contact .hero-contact__meta dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-main {
  padding-block: var(--sp-section);
}

.page-contact .contact-shell {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}

.page-contact .contact-card {
  background: var(--ink);
  color: var(--paper);
  border-top: 3px solid var(--orange);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-card__title {
  margin: 10px 0 clamp(16px, 2vw, 22px);
  font-size: clamp(19px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-contact .contact-card__row {
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .contact-card__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--on-ink-dim);
}

.page-contact .contact-card__tel {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(23px, 2.6vw, 29px);
  letter-spacing: 0.01em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .contact-card__tel:hover,
.page-contact .contact-card__tel:focus-visible {
  color: var(--orange-hi);
  border-bottom-color: var(--orange-hi);
}

.page-contact .contact-card__mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line-dark-strong);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .contact-card__mail:hover,
.page-contact .contact-card__mail:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-card__hint {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--on-ink-dim);
}

.page-contact .contact-card__addr {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--on-ink);
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  line-height: 1.7;
  color: var(--orange-soft);
}

.page-contact .contact-body > section + section {
  margin-top: clamp(30px, 4vw, 56px);
  padding-top: clamp(30px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-body .h2 {
  margin-top: 10px;
}

.page-contact .ask-list {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .ask-item {
  display: grid;
  gap: 4px 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}

.page-contact .ask-item:hover {
  border-bottom-color: var(--orange);
}

.page-contact .ask-num {
  padding-top: 3px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .ask-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-contact .ask-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .coop-panel {
  margin-top: clamp(18px, 2.4vw, 26px);
  padding: clamp(22px, 3vw, 36px);
  background: var(--ink-800);
  color: var(--paper);
  border-left: 3px solid var(--cyan);
}

.page-contact .coop-panel .h3 {
  margin: 0 0 12px;
  color: var(--paper);
  letter-spacing: 0.03em;
}

.page-contact .coop-panel p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--on-ink);
}

.page-contact .coop-panel p:last-of-type {
  margin-bottom: 0;
}

.page-contact .coop-mail {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 181, 154, 0.5);
  word-break: break-all;
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .coop-mail:hover,
.page-contact .coop-mail:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .coop-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-tags li {
  padding: 6px 10px;
  border: 1px solid var(--line-dark-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--on-ink);
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-contact .prep-grid .media-frame {
  margin: 0;
  width: 100%;
}

.page-contact .prep-grid .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0 8px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .prep-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .prep-details {
  margin-top: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.page-contact .prep-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: color var(--ease);
}

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

.page-contact .prep-details summary::after {
  content: "展开";
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

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

.page-contact .prep-details summary:hover {
  color: var(--orange);
}

.page-contact .prep-details__body {
  padding: 4px 16px 16px;
  border-top: 1px solid var(--line);
}

.page-contact .prep-details__body ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.page-contact .prep-details__body li {
  margin-bottom: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .prep-details__body li:last-child {
  margin-bottom: 0;
}

.page-contact .prep-details__body strong {
  color: var(--text);
}

.page-contact .region-strip {
  padding-block: clamp(30px, 4vw, 54px);
  background: var(--mist);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .region-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 32px);
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

.page-contact .region-item {
  padding-top: 12px;
  border-top: 2px solid var(--ink);
  min-width: 0;
}

.page-contact .region-item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .region-item dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .region-item dd.mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-contact .self-list {
  margin-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line-strong);
}

.page-contact .self-item {
  display: grid;
  gap: 4px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--ease);
}

.page-contact .self-item:hover,
.page-contact .self-item:focus-visible {
  border-bottom-color: var(--orange);
}

.page-contact .self-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .self-text {
  display: block;
  min-width: 0;
}

.page-contact .self-text strong {
  display: block;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: color var(--ease);
}

.page-contact .self-item:hover .self-text strong,
.page-contact .self-item:focus-visible .self-text strong {
  color: var(--orange);
}

.page-contact .self-text span {
  display: block;
  margin-top: 4px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .self-foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .self-foot a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color var(--ease);
}

.page-contact .self-foot a:hover,
.page-contact .self-foot a:focus-visible {
  color: var(--orange);
}

@media (min-width: 640px) {
  .page-contact .ask-item {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .page-contact .self-item {
    grid-template-columns: 48px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .hero-contact__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-shell {
    grid-template-columns: minmax(0, 336px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-contact .contact-card {
    position: sticky;
    top: 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card__tel,
  .page-contact .contact-card__mail,
  .page-contact .coop-mail,
  .page-contact .ask-item,
  .page-contact .self-item,
  .page-contact .self-text strong,
  .page-contact .prep-details summary,
  .page-contact .self-foot a,
  .page-contact .hero-contact .breadcrumbs a {
    transition: none;
  }
}