.page-contact {
  background: var(--snow);
  color: var(--deep);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .ct-crumb {
  padding-top: clamp(14px, 2vw, 24px);
}

/* ---------- hero ---------- */
.page-contact .ct-hero-band {
  position: relative;
  margin-top: clamp(10px, 1.6vw, 18px);
  padding: clamp(34px, 5.5vw, 72px) 0 clamp(30px, 4.6vw, 60px);
  background:
    radial-gradient(115% 88% at 90% -12%, rgba(72, 214, 201, 0.24), transparent 58%),
    radial-gradient(75% 70% at 4% 108%, rgba(185, 255, 57, 0.12), transparent 60%),
    var(--ink);
  color: var(--snow);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-contact .ct-hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(200, 161, 90, 0.16) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(200, 161, 90, 0.1) 0 1px, transparent 1px 96px);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 64px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 22ch;
}

.page-contact .ct-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(221, 242, 245, 0.82);
}

.page-contact .ct-hero__meta {
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-hero__meta-item {
  background: rgba(6, 26, 32, 0.72);
  padding: 16px 18px;
}

.page-contact .ct-hero__meta-item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .ct-hero__meta-item dd {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--snow);
}

/* ---------- shared section head ---------- */
.page-contact .ct-head {
  max-width: 720px;
}

.page-contact .ct-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-contact .ct-head__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- channels ---------- */
.page-contact .ct-channels {
  padding: clamp(38px, 5vw, 76px) 0;
}

.page-contact .ct-grid {
  margin-top: clamp(24px, 3vw, 38px);
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "mail"
    "phone"
    "addr"
    "map";
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  min-width: 0;
}

.page-contact .ct-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-ink);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.2;
  color: var(--deep);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .ct-mail {
  grid-area: mail;
  border-top: 3px solid var(--lime);
}

.page-contact .ct-mail__addr {
  align-self: flex-start;
  font-size: clamp(16px, 2.3vw, 24px);
  line-height: 1.4;
  color: var(--deep);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 6px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-mail__addr:hover {
  color: var(--gold-ink);
  border-color: var(--gold);
}

.page-contact .ct-mail__btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-contact .ct-phone {
  grid-area: phone;
  background: var(--deep);
  border-color: var(--deep);
  color: var(--snow);
}

.page-contact .ct-phone .ct-card__no {
  color: var(--lime);
}

.page-contact .ct-phone .ct-card__title {
  color: var(--snow);
}

.page-contact .ct-phone .ct-card__text {
  color: rgba(221, 242, 245, 0.76);
}

.page-contact .ct-phone__num {
  display: inline-block;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--lime);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .ct-phone__num:hover {
  color: var(--gold-soft);
}

.page-contact .ct-phone__btn {
  align-self: flex-start;
  margin-top: 4px;
}

.page-contact .ct-addr {
  grid-area: addr;
  border-style: dashed;
  border-color: var(--line-strong);
  background: linear-gradient(180deg, var(--gold-soft), var(--paper) 64%);
}

.page-contact .ct-addr__body {
  font-style: normal;
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 500;
  line-height: 1.7;
  color: var(--deep);
}

.page-contact .ct-map {
  grid-area: map;
  margin: 0;
  position: relative;
  min-width: 0;
}

.page-contact .ct-map img {
  display: block;
  width: 100%;
  height: clamp(170px, 26vw, 300px);
  object-fit: cover;
  border-radius: var(--radius);
}

/* ---------- preparation ---------- */
.page-contact .ct-prep__grid {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-prep__col {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .ct-prep__item {
  background: var(--paper);
  border: 1px solid var(--line-ink);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: clamp(18px, 2.2vw, 26px);
}

.page-contact .ct-prep__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-ink);
}

.page-contact .ct-prep__item h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.3;
  color: var(--deep);
}

.page-contact .ct-prep__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .ct-check {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .ct-check li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--deep);
}

.page-contact .ct-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line-strong);
  background: var(--gold-soft);
}

.page-contact .ct-check li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 9px;
  width: 4px;
  height: 4px;
  background: var(--deep);
}

.page-contact .ct-prep__figure {
  margin: 0;
  min-width: 0;
}

.page-contact .ct-prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* ---------- reply ---------- */
.page-contact .ct-reply__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-reply__intro h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .ct-reply__intro p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(221, 242, 245, 0.78);
}

.page-contact .ct-reply__rows {
  margin-top: 6px;
  border-top: 1px solid var(--line-snow);
}

.page-contact .ct-reply__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-snow);
}

.page-contact .ct-reply__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .ct-reply__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(221, 242, 245, 0.86);
}

/* ---------- co-build ---------- */
.page-contact .ct-open__grid {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-open__card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.6vw, 30px);
  min-width: 0;
}

.page-contact .ct-open__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.25;
  color: var(--deep);
}

.page-contact .ct-open__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-open__list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--deep);
}

.page-contact .ct-open__list .mono {
  font-size: 12px;
  padding-top: 3px;
  color: var(--gold-ink);
}

.page-contact .ct-open__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-ink);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- visit ---------- */
.page-contact .ct-visit__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-visit__text h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.16;
  color: var(--deep);
}

.page-contact .ct-visit__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-contact .ct-visit__card {
  background: var(--deep);
  color: var(--snow);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: clamp(20px, 2.6vw, 30px);
  align-self: start;
}

.page-contact .ct-visit__card .exhibit-label__no {
  color: var(--lime);
}

.page-contact .ct-visit__card .exhibit-label__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 1.8vw, 22px);
  color: var(--paper);
}

.page-contact .ct-visit__card address {
  margin-top: 10px;
  font-style: normal;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(221, 242, 245, 0.92);
}

.page-contact .ct-visit__hours {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.page-contact .ct-visit__hint {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(221, 242, 245, 0.6);
}

/* ---------- help list ---------- */
.page-contact .ct-help__list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-help__list li {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-help__list a {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 16px 4px;
  text-decoration: none;
  color: var(--deep);
  font-size: 15px;
  line-height: 1.6;
  transition: background 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-contact .ct-help__list a::after {
  content: "→";
  color: var(--gold);
  font-size: 15px;
}

.page-contact .ct-help__list a:hover {
  background: var(--paper);
  padding-left: 14px;
}

.page-contact .ct-help__list .mono {
  font-size: 12px;
  color: var(--gold-ink);
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-contact .ct-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .ct-prep__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .ct-open__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "mail phone"
      "mail addr"
      "map map";
    gap: 16px;
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-contact .ct-reply__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .ct-reply__row {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-mail__addr,
  .page-contact .ct-phone__num,
  .page-contact .ct-help__list a {
    transition: none;
  }

  .page-contact .ct-help__list a:hover {
    padding-left: 4px;
  }
}
<<<END>>>