.page-contact {
  --ct-gap: 18px;
  --ct-panel: rgba(6, 20, 40, .62);
}

/* ---------- Hero ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .5;
}

.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .ct-hero__glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(160deg, rgba(200, 16, 46, .38) 0%, rgba(6, 20, 40, 0) 46%),
    linear-gradient(340deg, rgba(21, 83, 255, .34) 0%, rgba(6, 20, 40, 0) 52%);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: 8px 4px;
}

.page-contact .ct-hero__eyebrow {
  margin-top: 22px;
  color: var(--silver);
}

.page-contact .ct-hero__title {
  font-size: clamp(32px, 6.6vw, 66px);
  margin: 14px 0 0;
  color: var(--white);
  letter-spacing: -.01em;
}

.page-contact .ct-hero__lede {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--silver);
}

.page-contact .ct-board {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line-dark-strong);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-contact .ct-board__item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 18px;
  background: var(--ct-panel);
  backdrop-filter: blur(6px);
  min-width: 0;
}

.page-contact .ct-board__key {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--silver);
  text-transform: uppercase;
}

.page-contact .ct-board__val {
  font-size: 15px;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-hero__note {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
}

/* ---------- Channels ---------- */
.page-contact .ct-head {
  margin-bottom: 30px;
}

.page-contact .ct-head--dark .section-head__title {
  color: var(--white);
}

.page-contact .ct-head--dark .section-head__note {
  color: var(--silver);
}

.page-contact .ct-channels__grid {
  align-items: stretch;
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  border-top: 3px solid var(--red);
}

.page-contact .ct-channel:nth-child(2) {
  border-top-color: var(--blue);
}

.page-contact .ct-channel:nth-child(3) {
  border-top-color: var(--yellow);
}

.page-contact .ct-channel__title {
  margin: 0;
}

.page-contact .ct-channel__meta {
  margin-top: auto;
  padding-top: 6px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line-light);
}

/* ---------- Prepare ---------- */
.page-contact .ct-prepare__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-prepare__idx {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--blue);
}

.page-contact .ct-prepare__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.24;
  color: var(--ink);
}

.page-contact .ct-prepare__text {
  margin-top: 14px;
  color: var(--ink-soft);
  max-width: 40ch;
}

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

.page-contact .ct-prepare__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .ct-prepare__num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--blue);
  padding-top: 3px;
}

.page-contact .ct-prepare__label {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .ct-prepare__body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* ---------- Cooperation ---------- */
.page-contact .ct-coop__grid {
  align-items: stretch;
}

.page-contact .ct-coop-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  background: var(--glass);
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease), transform .24s var(--ease);
}

.page-contact .ct-coop-card:hover {
  border-color: rgba(21, 83, 255, .6);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.page-contact .ct-coop-card__idx {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--yellow);
}

.page-contact .ct-coop-card__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .ct-coop-card p {
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- Arrive ---------- */
.page-contact .ct-arrive__grid {
  display: grid;
  gap: 28px;
}

.page-contact .ct-arrive__figure {
  margin: 0;
}

.page-contact .ct-arrive__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-contact .ct-arrive__list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
  color: var(--ink-soft);
  font-size: 15.5px;
}

.page-contact .ct-arrive__k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--red);
  padding-top: 3px;
}

.page-contact .ct-traffic {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: var(--white);
}

.page-contact .ct-traffic .accordion__item {
  border-bottom: 1px solid var(--line-light);
}

.page-contact .ct-traffic .accordion__item:last-child {
  border-bottom: 0;
}

.page-contact .ct-traffic .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 18px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.page-contact .ct-traffic .accordion__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-contact .ct-traffic__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .ct-traffic .accordion__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.page-contact .ct-traffic .accordion__icon::before,
.page-contact .ct-traffic .accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--blue);
  transform: translate(-50%, -50%);
}

.page-contact .ct-traffic .accordion__icon::before {
  width: 14px;
  height: 2px;
}

.page-contact .ct-traffic .accordion__icon::after {
  width: 2px;
  height: 14px;
  transition: transform .22s var(--ease);
}

.page-contact .ct-traffic .accordion__item[data-open] .accordion__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-contact .ct-traffic .accordion__panel {
  display: none;
}

.page-contact .ct-traffic .accordion__item[data-open] > .accordion__panel {
  display: block;
}

.page-contact .ct-traffic .accordion__panel-inner {
  padding: 0 18px 18px 48px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-contact .ct-traffic .accordion__panel-inner p {
  margin: 0;
}

/* ---------- Rhythm ---------- */
.page-contact .ct-rhythm__inner {
  display: grid;
  gap: 28px;
}

.page-contact .ct-rhythm__idx {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--blue);
}

.page-contact .ct-rhythm__title {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.24;
  color: var(--ink);
}

.page-contact .ct-rhythm__text {
  margin-top: 14px;
  color: var(--ink-soft);
  max-width: 42ch;
}

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

.page-contact .ct-rhythm__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .ct-rhythm__num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--red);
  padding-top: 3px;
}

.page-contact .ct-rhythm__label {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .ct-rhythm__step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* ---------- Tail ---------- */
.page-contact .ct-tail {
  border-top: 1px solid var(--line-light);
}

.page-contact .ct-tail__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-contact .ct-tail__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15.5px;
  max-width: 70ch;
}

.page-contact .ct-tail__btn {
  flex: none;
}

/* ---------- Tablet / Desktop ---------- */
@media (min-width: 720px) {
  .page-contact .ct-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-board__item--wide {
    grid-column: span 2;
  }

  .page-contact .ct-board__val {
    font-size: 16px;
  }

  .page-contact .ct-tail__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .page-contact .ct-tail__text {
    margin-right: auto;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__inner {
    padding-block: 16px 6px;
  }

  .page-contact .ct-board {
    margin-top: 38px;
  }

  .page-contact .ct-prepare__grid {
    grid-template-columns: .85fr 1.15fr;
    gap: 56px;
  }

  .page-contact .ct-arrive__grid {
    grid-template-columns: 1.02fr 1fr;
    gap: 46px;
    align-items: start;
  }

  .page-contact .ct-rhythm__inner {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .ct-channel {
    padding: 26px 24px 28px;
  }

  .page-contact .ct-coop-card {
    padding: 26px 24px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-coop-card,
  .page-contact .ct-traffic .accordion__icon::after {
    transition: none;
  }

  .page-contact .ct-coop-card:hover {
    transform: none;
  }
}