.page-contact {
  --pc-gap: clamp(16px, 3vw, 28px);
  --pc-line: rgba(230, 237, 234, 0.16);
  --pc-line-strong: rgba(230, 237, 234, 0.34);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

.page-contact p {
  margin: 0;
}

.page-contact .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* breadcrumbs */
.page-contact__crumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-contact .breadcrumbs__link {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .breadcrumbs__sep {
  color: rgba(147, 163, 157, 0.5);
}

/* hero */
.page-contact__hero {
  padding: clamp(18px, 3vw, 32px) 0 clamp(36px, 6vw, 72px);
}

.page-contact__hero-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact h1 {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  max-width: 20ch;
}

.page-contact .lede {
  margin-top: 16px;
  max-width: 48ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.78;
  color: rgba(248, 251, 249, 0.78);
}

.page-contact__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact__quick li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(27, 74, 62, 0.34);
  font-size: 12.5px;
  color: rgba(248, 251, 249, 0.82);
}

.page-contact__quick .mono {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact__quick em {
  font-style: normal;
}

/* channel cards */
.page-contact__channels {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.contact-card {
  position: relative;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(27, 74, 62, 0.92), rgba(10, 42, 35, 0.94));
  padding: clamp(16px, 2.6vw, 24px);
  box-shadow: var(--shadow);
}

.contact-card--ice {
  background: var(--ice);
  color: var(--ink);
  border-color: rgba(10, 42, 35, 0.22);
  box-shadow: 0 8px 24px rgba(6, 24, 20, 0.3);
}

.contact-card--ice::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 3px;
  background: var(--cyan);
}

.contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
}

.contact-card__kind {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.contact-card--ice .contact-card__kind {
  color: rgba(20, 169, 155, 0.95);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.contact-card__value {
  margin-top: 12px;
  font-size: clamp(15px, 2.4vw, 20px);
  font-weight: 700;
  letter-spacing: 0.01em;
  word-break: break-word;
  color: var(--ink);
}

.contact-card__desc {
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(10, 42, 35, 0.76);
  max-width: 52ch;
}

.contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 16px;
}

.contact-card__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 42, 35, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.contact-card__link:hover,
.contact-card__link:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.contact-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 106, 43, 0.5);
  border-radius: var(--radius);
  background: rgba(255, 106, 43, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #C74A16;
}

.contact-card__tag::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
}

/* copy button */
.page-contact .contact-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  background: var(--ink);
  color: var(--cyan);
  border-color: var(--ink);
}

.page-contact .contact-copy.is-copied {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

.page-contact .contact-copy--dark {
  color: var(--cyan);
  border-color: rgba(53, 240, 200, 0.45);
}

.page-contact .contact-copy--dark:hover,
.page-contact .contact-copy--dark:focus-visible {
  background: var(--cyan);
  color: var(--ink);
  border-color: var(--cyan);
}

.page-contact .contact-copy--dark.is-copied {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

/* address aside */
.contact-address {
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: var(--shadow);
}

.contact-address__media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  background: var(--night);
}

.contact-address__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.contact-address__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 20, 0.1) 0%, rgba(6, 24, 20, 0.72) 100%);
  pointer-events: none;
}

.contact-address__body {
  padding: clamp(16px, 2.6vw, 24px);
}

.contact-address__title {
  margin: 10px 0 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.contact-address__value {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  letter-spacing: 0.02em;
}

.contact-address__desc {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(248, 251, 249, 0.72);
}

.contact-address__actions {
  margin-top: 16px;
}

.contact-address__meta {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(147, 163, 157, 0.35);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

/* reply section */
.page-contact__reply {
  padding: clamp(30px, 5vw, 56px) 0;
  background: linear-gradient(180deg, rgba(18, 58, 48, 0.55), rgba(10, 42, 35, 0));
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact__reply-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-contact__reply-text h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
  max-width: 24ch;
}

.page-contact__reply-text > p {
  margin-top: 14px;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(248, 251, 249, 0.76);
}

.page-contact__ticks {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}

.page-contact__ticks li {
  display: grid;
  grid-template-columns: 5.6rem 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--pc-line);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(248, 251, 249, 0.86);
}

.page-contact__ticks .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact__reply-media {
  margin: 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact__reply-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.04);
}

.page-contact__reply-media figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--pc-line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mute);
}

/* prep */
.page-contact__prep {
  padding: clamp(34px, 5.5vw, 68px) 0;
}

.page-contact__prep-head h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-contact__prep-head p:last-child {
  margin-top: 12px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(248, 251, 249, 0.72);
}

.page-contact__prep-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.contact-prep {
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(18, 58, 48, 0.5);
  padding: 16px 18px 18px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.contact-prep:hover {
  border-color: var(--pc-line-strong);
  background: rgba(18, 58, 48, 0.78);
}

.contact-prep__trigger {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.contact-prep__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.contact-prep__name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.contact-prep__mark {
  position: relative;
  width: 16px;
  height: 16px;
  transition: transform var(--dur) var(--ease);
}

.contact-prep__mark::before,
.contact-prep__mark::after {
  content: "";
  position: absolute;
  background: var(--teal);
  border-radius: 1px;
}

.contact-prep__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.contact-prep__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.contact-prep__trigger[aria-expanded="true"] .contact-prep__mark {
  transform: rotate(45deg);
}

.contact-prep__text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(248, 251, 249, 0.74);
}

.contact-prep__panel {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(147, 163, 157, 0.32);
}

.contact-prep__panel p {
  font-size: 13.5px;
  line-height: 1.74;
  color: rgba(248, 251, 249, 0.7);
}

/* visit */
.page-contact__visit {
  padding: 0 0 clamp(34px, 5.5vw, 68px);
}

.page-contact__visit-inner {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3.4vw, 34px);
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(90deg, rgba(230, 237, 234, 0.06) 0 1px, transparent 1px 56px),
    linear-gradient(140deg, rgba(27, 74, 62, 0.85), rgba(6, 24, 20, 0.9));
}

.page-contact__visit-inner h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 3.2vw, 28px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-contact__visit-text p {
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(248, 251, 249, 0.78);
}

.page-contact__visit-text p + p {
  margin-top: 10px;
}

/* cooperation */
.page-contact__coop {
  padding: 0 0 clamp(40px, 6vw, 80px);
}

.page-contact__coop-head h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-contact__coop-head p:last-child {
  margin-top: 12px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(248, 251, 249, 0.72);
}

.contact-coop {
  margin-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--pc-line);
}

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

.contact-coop__trigger {
  display: grid;
  grid-template-columns: 2.2rem 1fr auto;
  grid-template-areas:
    "num name mark"
    ". line line";
  gap: 6px 12px;
  align-items: baseline;
  width: 100%;
  padding: 16px 4px;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
}

.contact-coop__trigger:hover,
.contact-coop__trigger:focus-visible {
  background: rgba(27, 74, 62, 0.42);
}

.contact-coop__num {
  grid-area: num;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.contact-coop__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.contact-coop__line {
  grid-area: line;
  font-size: 13.5px;
  line-height: 1.66;
  color: rgba(248, 251, 249, 0.66);
}

.contact-coop__mark {
  grid-area: mark;
  align-self: center;
  position: relative;
  width: 14px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.contact-coop__mark::before,
.contact-coop__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  border-radius: 1px;
}

.contact-coop__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.contact-coop__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.contact-coop__trigger[aria-expanded="true"] .contact-coop__mark {
  transform: rotate(45deg);
}

.contact-coop__panel {
  padding: 0 4px 18px;
}

.contact-coop__panel p {
  padding-left: 12px;
  border-left: 1px solid rgba(53, 240, 200, 0.4);
  font-size: 13.5px;
  line-height: 1.76;
  color: rgba(248, 251, 249, 0.74);
  max-width: 62ch;
}

/* tail links */
.page-contact__tail {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px dashed rgba(147, 163, 157, 0.32);
}

.page-contact__tail p {
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.74;
  color: rgba(248, 251, 249, 0.7);
}

.page-contact__tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact__tail-links a {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 200, 0.32);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact__tail-links a:hover,
.page-contact__tail-links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* desktop layouts */
@media (min-width: 720px) {
  .page-contact__prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact__visit-inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 24px 40px;
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-contact__reply-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .contact-coop__trigger {
    grid-template-columns: 3.4rem minmax(140px, 190px) minmax(0, 1fr) 20px;
    grid-template-areas: "num name line mark";
    align-items: center;
    gap: 16px;
    padding: 18px 8px;
  }
}

@media (min-width: 960px) {
  .page-contact__hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

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

  .contact-card__desc {
    min-height: 5.1em;
  }

  .page-contact__tail {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-copy,
  .contact-prep,
  .contact-prep__mark,
  .contact-coop__trigger,
  .contact-coop__mark,
  .page-contact .breadcrumbs__link,
  .page-contact__tail-links a {
    transition: none;
  }
}
<<<END>>>