.page-contact {
  --pc-gap: clamp(16px, 2.6vw, 26px);
  --pc-pad: clamp(44px, 7vw, 86px);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-contact .pc-hero {
  padding-block: clamp(16px, 3vw, 30px) clamp(26px, 5vw, 48px);
}

.page-contact .pc-hero__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(14px, 3vw, 26px);
}

.page-contact .pc-hero__anno {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--mist);
  writing-mode: horizontal-tb;
}

.page-contact .pc-hero__body {
  min-width: 0;
}

.page-contact .pc-hero__quick {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin: clamp(20px, 4vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-hero__quick dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .pc-hero__quick dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.1vw, 17px);
  color: var(--ice);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-hero__quick div:last-child dd {
  color: var(--amber);
}

.page-contact .pc-sec-head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .pc-sec-head__sub {
  margin: 10px 0 0;
  max-width: 46em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .pc-channels,
.page-contact .pc-materials,
.page-contact .pc-hours,
.page-contact .pc-partner,
.page-contact .pc-flow,
.page-contact .pc-next {
  padding-block: var(--pc-pad);
}

.page-contact .pc-channels {
  padding-top: clamp(10px, 2vw, 18px);
}

.page-contact .pc-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-ch {
  position: relative;
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--deck);
  overflow: hidden;
}

.page-contact .pc-ch::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 3px;
  background: var(--line-soft);
}

.page-contact .pc-ch--mail {
  border-color: rgba(31, 227, 188, 0.5);
  background: linear-gradient(158deg, rgba(31, 227, 188, 0.14), rgba(11, 31, 25, 0.94) 58%);
  box-shadow: 0 22px 48px -36px rgba(31, 227, 188, 0.9);
}

.page-contact .pc-ch--mail::after {
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
}

.page-contact .pc-ch--tel {
  background: linear-gradient(200deg, var(--raise), var(--deck) 72%);
}

.page-contact .pc-ch--tel::after {
  background: linear-gradient(90deg, var(--amber), rgba(255, 178, 51, 0.15));
}

.page-contact .pc-ch--addr {
  background: linear-gradient(180deg, var(--ink), var(--deck));
}

.page-contact .pc-ch__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 178, 51, 0.45);
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-contact .pc-ch--mail .pc-ch__tag {
  color: var(--cyan);
  border-color: rgba(31, 227, 188, 0.55);
}

.page-contact .pc-ch__title {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  color: var(--ice);
  letter-spacing: -0.01em;
}

.page-contact .pc-ch__value {
  margin: 8px 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 17px);
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-ch--tel .pc-ch__value {
  color: var(--amber);
}

.page-contact .pc-ch--addr .pc-ch__value {
  color: var(--ice);
  font-family: var(--font-sans);
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 600;
  word-break: break-word;
}

.page-contact .pc-ch__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-ch__list {
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line-soft);
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .pc-ch__list li {
  position: relative;
  padding-inline-start: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(232, 244, 239, 0.85);
}

.page-contact .pc-ch__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 9px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-contact .pc-materials__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-contact .pc-prose {
  margin: 12px 0 0;
  max-width: 34em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .pc-checklist {
  list-style: none;
  margin: clamp(20px, 3vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-checklist__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px 9px 12px;
  border-radius: 999px;
  border: 1px dashed rgba(31, 227, 188, 0.42);
  background: rgba(31, 227, 188, 0.06);
  color: var(--ice);
  font-size: 13.5px;
  line-height: 1.5;
  max-width: 100%;
}

.page-contact .pc-checklist__box {
  position: relative;
  flex: none;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  border: 1px solid var(--cyan);
  background: rgba(5, 18, 14, 0.6);
}

.page-contact .pc-checklist__box::after {
  content: "";
  position: absolute;
  inset-inline-start: 4px;
  inset-block-start: 1px;
  width: 4px;
  height: 8px;
  border-inline-end: 2px solid var(--cyan);
  border-block-end: 2px solid var(--cyan);
  transform: rotate(42deg);
}

.page-contact .pc-hint {
  margin: 18px 0 0;
  padding: 12px 16px;
  border-inline-start: 2px solid var(--cyan-deep);
  background: rgba(18, 51, 43, 0.55);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-materials__fig,
.page-contact .pc-hours__fig {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--deck);
}

.page-contact .pc-materials__fig img,
.page-contact .pc-hours__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .pc-materials__fig figcaption,
.page-contact .pc-hours__fig figcaption {
  padding: 12px 16px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.page-contact .pc-clock {
  padding: clamp(16px, 3vw, 24px);
  border-radius: var(--r-md);
  background: var(--deck);
  border: 1px solid var(--line);
}

.page-contact .pc-clock__track {
  position: relative;
  height: 24px;
  border-radius: 999px;
  background: repeating-linear-gradient(
    90deg,
    rgba(140, 167, 158, 0.14) 0 1px,
    transparent 1px 4.166%
  );
  background-color: rgba(140, 167, 158, 0.08);
  overflow: hidden;
}

.page-contact .pc-clock__track::before {
  content: "";
  position: absolute;
  inset-block: 3px;
  inset-inline-start: 37.5%;
  width: 37.5%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
  box-shadow: 0 0 18px rgba(31, 227, 188, 0.45);
}

.page-contact .pc-clock__scale {
  position: relative;
  height: 16px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-clock__scale span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}

.page-contact .pc-clock__scale span:nth-child(1) {
  left: 0;
  transform: none;
}

.page-contact .pc-clock__scale span:nth-child(2) {
  left: 25%;
}

.page-contact .pc-clock__scale span:nth-child(3) {
  left: 37.5%;
  color: var(--cyan);
}

.page-contact .pc-clock__scale span:nth-child(4) {
  left: 53%;
}

.page-contact .pc-clock__scale span:nth-child(5) {
  left: 75%;
  color: var(--cyan);
}

.page-contact .pc-clock__scale span:nth-child(6) {
  left: 100%;
  transform: translateX(-100%);
}

.page-contact .pc-rhythm {
  list-style: none;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0 0 0 clamp(20px, 3vw, 26px);
  border-inline-start: 1px solid var(--line);
}

.page-contact .pc-rhythm__item {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 28px);
}

.page-contact .pc-rhythm__item:last-child {
  padding-bottom: 0;
}

.page-contact .pc-rhythm__item::before {
  content: "";
  position: absolute;
  inset-inline-start: calc(clamp(20px, 3vw, 26px) * -1 - 5px);
  inset-block-start: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(31, 227, 188, 0.14);
}

.page-contact .pc-rhythm__item:last-child::before {
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(255, 83, 38, 0.16);
}

.page-contact .pc-rhythm__title {
  margin: 0 0 6px;
  font-size: clamp(15px, 2.2vw, 17px);
  font-weight: 700;
  color: var(--ice);
  letter-spacing: -0.01em;
}

.page-contact .pc-rhythm__item p {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-hours__fig {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .pc-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-partner__card {
  position: relative;
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--deck);
}

.page-contact .pc-partner__card--alt {
  background: linear-gradient(190deg, var(--raise), var(--ink) 80%);
  border-color: rgba(255, 83, 38, 0.28);
}

.page-contact .pc-partner__n {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  color: rgba(31, 227, 188, 0.28);
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}

.page-contact .pc-partner__card--alt .pc-partner__n {
  color: rgba(255, 83, 38, 0.35);
}

.page-contact .pc-partner__title {
  margin: 0 0 10px;
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 700;
  color: var(--ice);
  letter-spacing: -0.01em;
}

.page-contact .pc-partner__card > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 34em;
}

.page-contact .pc-partner__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .pc-partner__list li {
  position: relative;
  padding-inline-start: 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(232, 244, 239, 0.86);
}

.page-contact .pc-partner__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 10px;
  width: 8px;
  border-block-start: 1px solid var(--cyan);
}

.page-contact .pc-partner__card--alt .pc-partner__list li::before {
  border-block-start-color: var(--pulse);
}

.page-contact .pc-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .pc-flow__item {
  position: relative;
  min-width: 0;
}

.page-contact .pc-flow__step {
  height: 100%;
  padding: 16px 16px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  background: var(--deck);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .pc-flow__step[open] {
  border-color: rgba(31, 227, 188, 0.45);
  background: var(--raise);
}

.page-contact .pc-flow__step summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  color: var(--ice);
}

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

.page-contact .pc-flow__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-flow__name {
  font-size: clamp(15px, 2.2vw, 16px);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .pc-flow__chev {
  margin-inline-start: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .pc-flow__chev::after {
  content: "+";
}

.page-contact .pc-flow__step[open] .pc-flow__chev::after {
  content: "−";
}

.page-contact .pc-flow__body p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-flow__item:last-child .pc-flow__n {
  color: var(--pulse);
}

.page-contact .pc-flow__item:last-child .pc-flow__step {
  border-color: rgba(255, 83, 38, 0.32);
}

.page-contact .pc-next {
  padding-top: 0;
}

.page-contact .pc-next__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(22px, 4vw, 38px);
  border-radius: var(--r-lg);
  background: linear-gradient(148deg, var(--raise), var(--ink) 78%);
  border: 1px solid var(--line);
}

.page-contact .pc-next__intro p {
  margin: 12px 0 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .pc-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .pc-next__links li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-block-start: 1px solid var(--line);
}

.page-contact .pc-next__links li:first-child {
  border-block-start: 0;
  padding-top: 0;
}

.page-contact .pc-next__links a {
  justify-self: start;
  color: var(--cyan);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border-block-end: 1px solid rgba(31, 227, 188, 0.35);
  padding-block-end: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-next__links a:hover,
.page-contact .pc-next__links a:focus-visible {
  color: var(--mint);
  border-block-end-color: var(--mint);
}

.page-contact .pc-next__links span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-contact .pc-channels__grid,
  .page-contact .pc-partner__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-materials__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-next__panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__wrap {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 34px);
    align-items: start;
  }

  .page-contact .pc-hero__anno {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding-top: 6px;
  }

  .page-contact .pc-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .pc-flow__item:not(:last-child)::after {
    content: "";
    position: absolute;
    inset-block-start: 24px;
    inset-inline-end: -12px;
    width: 12px;
    border-block-start: 1px dashed rgba(31, 227, 188, 0.5);
  }
}

@media (min-width: 1040px) {
  .page-contact .pc-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-ch:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .pc-ch:nth-child(3) {
    margin-top: 10px;
  }

  .page-contact .pc-materials__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    gap: clamp(30px, 5vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-flow__step,
  .page-contact .pc-next__links a {
    transition: none;
  }
}
<<<END>>>