.page-contact {
  --pc-line-soft: rgba(46, 82, 67, 0.45);
  --pc-gap: clamp(20px, 4vw, 56px);
  --pc-pad: clamp(48px, 8vw, 104px);
  color: var(--text);
  background:
    radial-gradient(880px 420px at 84% -10%, rgba(43, 242, 192, 0.1), transparent 70%),
    radial-gradient(620px 360px at 4% 42%, rgba(255, 122, 47, 0.06), transparent 72%),
    var(--ink-950);
  overflow-x: clip;
}

.page-contact .crumbs-wrap {
  padding-top: clamp(16px, 2.6vw, 28px);
}

.page-contact .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 5.4vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}

.page-contact .kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

/* ---------- hero ---------- */
.page-contact .contact-hero {
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(28px, 5vw, 60px);
  align-items: start;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 8.4vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 16ch;
}

.page-contact .contact-hero .lead {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 44ch;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.8;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 14px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .hero-stats__cell dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .hero-stats__cell dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 1.6vw, 1rem);
  color: var(--cyan-soft);
  letter-spacing: -0.01em;
}

.page-contact .hero-visual {
  position: relative;
  margin: 0;
}

.page-contact .hero-visual__frame {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  background: var(--ink-800);
}

.page-contact .hero-visual__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.82) saturate(0.85);
}

.page-contact .hero-visual__ripple {
  position: absolute;
  top: -6%;
  right: -8%;
  width: 46%;
  max-width: 260px;
  color: var(--cyan);
  opacity: 0.34;
  pointer-events: none;
}

.page-contact .hero-visual__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- channels ---------- */
.page-contact .channels {
  padding-block: var(--pc-pad);
  background: var(--ink-900);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .channels__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channels__note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
  max-width: 34ch;
}

.page-contact .channels__stack {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
}

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

.page-contact .channel__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel__addr,
.page-contact .channel__tel {
  display: inline-block;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(43, 242, 192, 0.35);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .channel__addr {
  font-size: clamp(1.05rem, 4.6vw, 1.85rem);
}

.page-contact .channel__tel {
  font-size: clamp(1.5rem, 6.4vw, 2.6rem);
}

.page-contact .channel__addr:hover,
.page-contact .channel__tel:hover,
.page-contact .channel__addr:focus-visible,
.page-contact .channel__tel:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-contact .channel__desc {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.8;
  max-width: 46ch;
}

.page-contact .channel--signal {
  position: relative;
  padding: 20px 20px 22px;
  border-top: 0;
  border-left: 2px solid var(--orange);
  background: linear-gradient(120deg, rgba(255, 122, 47, 0.14), rgba(16, 36, 27, 0.5) 62%, transparent);
}

.page-contact .channel--signal .channel__label {
  color: var(--orange-soft);
  margin-top: 12px;
}

/* ---------- scenes ---------- */
.page-contact .scenes {
  padding-block: var(--pc-pad);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .scenes__head {
  max-width: 40ch;
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 clamp(22px, 3.4vw, 34px);
  padding: 0;
  border: 0;
  background: none;
}

.page-contact .filter-bar__btn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .filter-bar__btn:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

.page-contact .filter-bar__btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-950);
}

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

.page-contact .scene {
  display: grid;
  gap: 6px;
  padding: 20px 0 20px 18px;
  border-top: 1px solid var(--pc-line-soft);
  border-left: 2px solid transparent;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .scene:hover {
  border-left-color: var(--cyan);
  background: rgba(27, 58, 46, 0.28);
}

.page-contact .scene__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .scene__title {
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 2.4vw, 1.32rem);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.28;
}

.page-contact .scene__desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.78;
  max-width: 48ch;
}

.page-contact .is-hidden {
  display: none;
}

/* ---------- duty ---------- */
.page-contact .duty {
  padding-block: var(--pc-pad);
  background: var(--ink-900);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .duty__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .duty__copy p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.82;
  max-width: 46ch;
}

.page-contact .duty__list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .duty__list li {
  padding-left: 16px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-contact .duty__list strong {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0;
  margin-bottom: 4px;
}

.page-contact .duty__visual {
  position: relative;
  margin: 0;
}

.page-contact .duty__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 96%);
  background: var(--ink-800);
}

.page-contact .duty__frame .media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8) saturate(0.85);
}

.page-contact .duty__badge {
  position: absolute;
  left: 4%;
  bottom: 14%;
  max-width: 62%;
  padding: 14px 18px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(166, 255, 228, 0.22);
}

.page-contact .duty__badge-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 5.4vw, 2.6rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.page-contact .duty__badge-label {
  margin: 8px 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .duty__visual .media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- coop ---------- */
.page-contact .coop {
  padding-block: var(--pc-pad);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .coop__head {
  max-width: 52ch;
}

.page-contact .coop__head p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-contact .coop__list {
  margin-top: clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .coop__item {
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .coop__item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1.06rem, 2.6vw, 1.36rem);
  letter-spacing: -0.01em;
  color: var(--text);
  transition: color 160ms var(--ease);
}

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

.page-contact .coop__item summary:hover {
  color: var(--cyan-soft);
}

.page-contact .coop__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .coop__item[open] summary::after {
  content: "−";
}

.page-contact .coop__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-contact .coop__body {
  padding: 0 0 22px 30px;
  display: grid;
  gap: 10px;
}

.page-contact .coop__body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.8;
  max-width: 60ch;
}

.page-contact .coop__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan-soft) !important;
}

.page-contact .coop__foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .coop__foot a,
.page-contact .leave__mail a,
.page-contact .msg-note a,
.page-contact .contact-faq__foot a,
.page-contact .locale__meta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 242, 192, 0.35);
}

.page-contact .coop__foot a:hover,
.page-contact .leave__mail a:hover,
.page-contact .msg-note a:hover,
.page-contact .contact-faq__foot a:hover,
.page-contact .locale__meta a:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- leave / message panel ---------- */
.page-contact .leave {
  padding-block: var(--pc-pad);
  background:
    linear-gradient(168deg, rgba(27, 58, 46, 0.55), transparent 58%),
    var(--ink-900);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .leave__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .leave__aside p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.82;
  max-width: 36ch;
}

.page-contact .leave__mail {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  word-break: break-all;
  margin-top: 20px !important;
}

.page-contact .msg-panel {
  background: var(--ink-800);
  border: 1px solid var(--line);
  padding: clamp(20px, 4vw, 40px);
  clip-path: polygon(0 1.6%, 100% 0, 100% 98.6%, 0 100%);
}

.page-contact .msg-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .msg-field label,
.page-contact .msg-topics-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .msg-topics-label {
  margin: 0 0 10px;
}

.page-contact .msg-field input,
.page-contact .msg-field textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
  background: rgba(5, 13, 10, 0.72);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 11px 13px;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .msg-field textarea {
  resize: vertical;
  min-height: 128px;
}

.page-contact .msg-field input::placeholder,
.page-contact .msg-field textarea::placeholder {
  color: rgba(159, 188, 173, 0.62);
}

.page-contact .msg-field input:focus,
.page-contact .msg-field textarea:focus {
  outline: none;
  border-color: var(--orange-soft);
  box-shadow: 0 0 0 2px rgba(255, 178, 122, 0.18);
}

.page-contact .msg-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-contact .msg-topic {
  position: relative;
  display: inline-flex;
}

.page-contact .msg-topic input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.page-contact .msg-topic span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .msg-topic input:checked + span {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-950);
}

.page-contact .msg-topic input:focus-visible + span {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 2px;
}

.page-contact .msg-hints {
  margin-bottom: 16px;
}

.page-contact .msg-hint {
  display: none;
  margin: 0;
  min-height: 3.3em;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding-left: 12px;
}

.page-contact .msg-hint--support {
  display: block;
  border-left-color: var(--cyan);
}

.page-contact .msg-topics:has(#topic-partner:checked) ~ .msg-hints .msg-hint--support,
.page-contact .msg-topics:has(#topic-feedback:checked) ~ .msg-hints .msg-hint--support,
.page-contact .msg-topics:has(#topic-other:checked) ~ .msg-hints .msg-hint--support {
  display: none;
}

.page-contact .msg-topics:has(#topic-partner:checked) ~ .msg-hints .msg-hint--partner,
.page-contact .msg-topics:has(#topic-feedback:checked) ~ .msg-hints .msg-hint--feedback,
.page-contact .msg-topics:has(#topic-other:checked) ~ .msg-hints .msg-hint--other {
  display: block;
  border-left-color: var(--cyan);
}

.page-contact .msg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-contact .msg-note {
  margin: 16px 0 0;
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- locale ---------- */
.page-contact .locale {
  padding-block: var(--pc-pad);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .locale__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .locale__addr {
  display: block;
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(16, 36, 27, 0.7);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(0.95rem, 2.2vw, 1.14rem);
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-word;
}

.page-contact .locale__note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.78;
  max-width: 40ch;
}

.page-contact .locale__meta {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .locale__cell {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .locale__cell:last-child {
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .locale__cell dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .locale__cell dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: -0.01em;
  color: var(--text);
  word-break: break-all;
}

/* ---------- contact faq ---------- */
.page-contact .contact-faq {
  padding-block: var(--pc-pad);
}

.page-contact .cfaq-list {
  margin-top: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .cfaq-item {
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .cfaq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.4vw, 1.22rem);
  color: var(--text);
  transition: color 160ms var(--ease);
}

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

.page-contact .cfaq-item summary:hover {
  color: var(--cyan-soft);
}

.page-contact .cfaq-item summary::before {
  content: "›";
  font-family: var(--font-mono);
  color: var(--cyan);
  transform: rotate(90deg);
  transition: transform 180ms var(--ease);
  flex: 0 0 auto;
}

.page-contact .cfaq-item[open] summary::before {
  transform: rotate(-90deg);
}

.page-contact .cfaq-item__a {
  margin: 0 0 18px;
  padding-left: 24px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.82;
  max-width: 58ch;
}

.page-contact .contact-faq__foot {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-contact .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-contact .scene {
    padding-left: 20px;
  }

  .page-contact .locale__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 20px;
  }

  .page-contact .locale__cell:last-child {
    border-bottom: 0;
  }

  .page-contact .locale__cell {
    border-bottom: 1px solid var(--pc-line-soft);
  }

  .page-contact .channels__stack {
    gap: clamp(24px, 3vw, 32px);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .channels__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .channels__index {
    position: sticky;
    top: 140px;
  }

  .page-contact .channels__stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(26px, 3vw, 36px);
  }

  .page-contact .channel--signal {
    grid-column: 1 / -1;
    max-width: 68%;
  }

  .page-contact .duty__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .leave__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .leave__aside {
    position: sticky;
    top: 140px;
  }

  .page-contact .locale__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter-bar__btn,
  .page-contact .scene,
  .page-contact .coop__item summary,
  .page-contact .msg-topic span,
  .page-contact .cfaq-item summary::before {
    transition: none;
  }
}
<<<END>>>