.page-contact {
  --ct-pad: 60px;
  --ct-line-dark: rgba(154, 167, 164, 0.22);
  --ct-line-light: #D8DEDC;
  --ct-ink-soft: rgba(18, 16, 12, 0.72);
  --ct-paper-soft: rgba(246, 243, 236, 0.76);
  background: var(--paper-050);
  color: var(--ink-text);
  overflow-x: hidden;
}

@media (min-width: 900px) {
  .page-contact {
    --ct-pad: 96px;
  }
}

/* ---------- Hero ---------- */

.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper-050);
  padding: 32px 0 var(--ct-pad);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(143, 182, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 182, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -40%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 107, 255, 0.24), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .ct-hero .crumbs-list li {
  color: var(--silver-400);
}

.page-contact .ct-hero .crumbs-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(154, 167, 164, 0.45);
}

.page-contact .ct-hero .crumbs-list a {
  color: var(--volt-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease;
}

.page-contact .ct-hero .crumbs-list a:hover {
  border-bottom-color: var(--volt-200);
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: 36px;
  margin-top: 36px;
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: center;
    margin-top: 52px;
  }
}

.page-contact .ct-kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--volt-200);
}

.page-contact .ct-hero-title {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--paper-050);
}

@media (min-width: 900px) {
  .page-contact .ct-hero-title {
    font-size: 52px;
    line-height: 1.16;
  }
}

.page-contact .ct-hero-lede {
  margin: 0 0 26px;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ct-paper-soft);
}

.page-contact .ct-hero-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-line-dark);
  font-size: 13px;
  color: var(--silver-400);
}

.page-contact .ct-hero-note b {
  font-weight: 600;
  color: var(--volt-200);
}

.page-contact .ct-hero-visual {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ct-line-dark);
  border-radius: 2px;
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
}

.page-contact .ct-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border-radius: 2px;
}

/* ---------- 渠道 ---------- */

.page-contact .ct-channels {
  background: var(--paper-050);
  padding: var(--ct-pad) 0;
}

.page-contact .ct-head {
  max-width: 62ch;
  margin-bottom: 40px;
}

.page-contact .ct-kicker-line {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--volt-700);
}

.page-contact .ct-title {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 25px;
  line-height: 1.32;
  color: var(--ink-text);
}

@media (min-width: 900px) {
  .page-contact .ct-title {
    font-size: 38px;
  }
}

.page-contact .ct-lede {
  margin: 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-channel-stack {
  display: grid;
  gap: 16px;
  max-width: 760px;
}

.page-contact .ct-channel {
  position: relative;
  overflow: hidden;
  padding: 26px 24px 26px 28px;
  border: 1px solid var(--ct-line-light);
  border-radius: 2px;
  background: var(--paper-000);
  box-shadow: var(--shadow-card);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--volt-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 200ms ease;
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-color: var(--volt-500);
}

.page-contact .ct-channel:hover::before,
.page-contact .ct-channel:focus-within::before {
  transform: scaleY(1);
}

@media (min-width: 900px) {
  .page-contact .ct-channel {
    padding: 32px 32px 32px 36px;
  }
}

.page-contact .ct-channel-label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver-400);
}

.page-contact .ct-channel-value {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

@media (min-width: 900px) {
  .page-contact .ct-channel-value {
    font-size: 24px;
  }
}

.page-contact .ct-channel-value--addr {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-contact .ct-channel-desc {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-channel-more {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--ct-line-light);
}

.page-contact .ct-channel-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--volt-700);
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease;
}

.page-contact .ct-channel-more summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-channel-more summary:hover {
  border-bottom-color: var(--volt-700);
}

.page-contact .ct-channel-more summary:focus-visible {
  outline: 2px solid var(--volt-500);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-contact .ct-channel-more summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  color: var(--volt-500);
  transition: transform 160ms ease;
}

.page-contact .ct-channel-more[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .ct-channel-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-channel-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-channel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--volt-500);
}

/* ---------- 暗段信息区 ---------- */

.page-contact .ct-dark {
  position: relative;
  background: var(--ink-900);
  color: var(--paper-050);
  padding: var(--ct-pad) 0;
}

.page-contact .ct-dark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--volt-500), transparent);
}

.page-contact .ct-dark-grid {
  display: grid;
  gap: 44px;
}

@media (min-width: 900px) {
  .page-contact .ct-dark-grid {
    grid-template-columns: 1fr 1fr;
    gap: 72px;
  }
}

.page-contact .ct-dark-kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--volt-200);
}

.page-contact .ct-dark-title {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.34;
  color: var(--paper-050);
}

@media (min-width: 900px) {
  .page-contact .ct-dark-title {
    font-size: 30px;
  }
}

.page-contact .ct-dark-body {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ct-paper-soft);
}

.page-contact .ct-dark-body--tail {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--silver-400);
}

.page-contact .ct-dark-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--ct-line-dark);
  list-style: none;
}

.page-contact .ct-dark-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(246, 243, 236, 0.88);
}

.page-contact .ct-dark-list .u-mono {
  padding-top: 3px;
  font-size: 12px;
  color: var(--volt-200);
}

.page-contact .ct-coop {
  display: grid;
  gap: 16px;
}

.page-contact .ct-coop-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--ct-line-dark);
  border-radius: 2px;
  background: rgba(15, 35, 28, 0.55);
  transition: border-color 160ms ease;
}

.page-contact .ct-coop-item:hover {
  border-color: var(--volt-500);
}

.page-contact .ct-coop-key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--volt-200);
}

.page-contact .ct-coop-val {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-paper-soft);
}

/* ---------- 来访 ---------- */

.page-contact .ct-visit {
  background: var(--paper-000);
  padding: var(--ct-pad) 0;
}

.page-contact .ct-visit-grid {
  display: grid;
  gap: 36px;
}

@media (min-width: 900px) {
  .page-contact .ct-visit-grid {
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
  }
}

.page-contact .ct-address {
  display: grid;
  gap: 4px;
  margin: 0 0 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ct-line-light);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink-text);
}

@media (min-width: 900px) {
  .page-contact .ct-address {
    font-size: 28px;
  }
}

.page-contact .ct-address-line {
  display: block;
  color: rgba(18, 16, 12, 0.58);
  font-size: 16px;
}

.page-contact .ct-address-line--strong {
  color: var(--ink-text);
  font-size: inherit;
}

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

.page-contact .ct-visit-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--volt-500);
}

.page-contact .ct-visit-visual {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ct-line-light);
  border-radius: 2px;
  background: var(--paper-050);
  box-shadow: var(--shadow-card);
}

.page-contact .ct-visit-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
}

.page-contact .ct-visit-cap {
  margin: 12px 2px 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver-400);
}

/* ---------- 收尾 ---------- */

.page-contact .ct-coda {
  background: var(--ink-800);
  color: var(--paper-050);
  padding: 52px 0;
}

@media (min-width: 900px) {
  .page-contact .ct-coda {
    padding: 64px 0;
  }
}

.page-contact .ct-coda-title {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper-050);
}

@media (min-width: 900px) {
  .page-contact .ct-coda-title {
    font-size: 26px;
  }
}

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

@media (min-width: 760px) {
  .page-contact .ct-coda-links {
    grid-template-columns: 1fr 1fr;
    gap: 14px 40px;
  }
}

.page-contact .ct-coda-links a {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--volt-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 182, 255, 0.34);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .ct-coda-links a:hover,
.page-contact .ct-coda-links a:focus-visible {
  color: var(--paper-050);
  border-bottom-color: var(--volt-500);
}

.page-contact .ct-coda-links a:focus-visible {
  outline: 2px solid var(--volt-500);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-channel::before,
  .page-contact .ct-channel-more summary::after,
  .page-contact .ct-coop-item,
  .page-contact .ct-coda-links a,
  .page-contact .ct-hero .crumbs-list a {
    transition: none;
  }
}