.page-contact {
  --pc-line: rgba(243, 246, 244, 0.14);
  --pc-soft: rgba(255, 255, 255, 0.06);
  --pc-step: 48px;
  padding-bottom: 64px;
  overflow-x: clip;
}

.page-contact .contact-hero {
  position: relative;
  padding: 20px 0 12px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -60px -6vw 42% 28%;
  background: radial-gradient(115% 90% at 82% 0%, rgba(243, 246, 244, 0.13), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-contact .contact-hero__rail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 11vw, 54px);
  line-height: 1.04;
  letter-spacing: 0.05em;
  color: var(--light);
}

.page-contact .contact-hero__anno {
  margin: 0;
  padding-top: 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-hero__lead {
  margin: 12px 0 0;
  max-width: 40ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .contact-hero__figure {
  margin: 26px 0 0;
}

.page-contact .contact-channels {
  padding: 52px 0 10px;
}

.page-contact .contact-channels__head {
  margin-bottom: 26px;
}

.page-contact .channel-list {
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: 6px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 18px 18px 16px;
  border-radius: var(--r-md);
  background: linear-gradient(140deg, rgba(18, 51, 42, 0.96), rgba(10, 30, 24, 0.96));
  border: 1px solid var(--pc-line);
  box-shadow: 0 22px 34px -30px rgba(0, 0, 0, 0.95);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 197, 24, 0.42);
}

.page-contact .channel__bar {
  border-radius: var(--r-pill);
  background: var(--yellow);
  transition: box-shadow 0.26s var(--ease);
}

.page-contact .channel:hover .channel__bar {
  box-shadow: 0 0 0 3px rgba(245, 197, 24, 0.26);
}

.page-contact .channel--red .channel__bar {
  background: var(--red);
}

.page-contact .channel--red:hover .channel__bar {
  box-shadow: 0 0 0 3px rgba(226, 58, 46, 0.26);
}

.page-contact .channel--cyan .channel__bar {
  background: var(--cyan);
}

.page-contact .channel--cyan:hover .channel__bar {
  box-shadow: 0 0 0 3px rgba(127, 167, 154, 0.26);
}

.page-contact .channel__body {
  min-width: 0;
}

.page-contact .channel__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 4.4vw, 20px);
  line-height: 1.4;
  color: var(--light);
  word-break: break-word;
}

.page-contact .channel__note {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .contact-sla {
  padding: 44px 0 40px;
}

.page-contact .sla-title {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .sla-band {
  display: grid;
  gap: 18px;
  padding: 26px 22px 30px;
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-line);
  background: linear-gradient(100deg, var(--stand), rgba(31, 92, 67, 0.9));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 16px));
}

.page-contact .sla-band__item {
  display: grid;
  gap: 6px;
}

.page-contact .sla-band__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 5.6vw, 28px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--yellow);
}

.page-contact .sla-band__item:nth-child(2) .sla-band__value {
  color: var(--light);
}

.page-contact .sla-band__label {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-contact .contact-router {
  padding: 6px 0 50px;
}

.page-contact .router-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  counter-reset: rt;
}

.page-contact .router {
  counter-increment: rt;
  position: relative;
  display: grid;
  gap: 6px;
  padding: 20px 0 20px 42px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .router::before {
  content: counter(rt, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .router:last-child {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .router__type {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--light);
}

.page-contact .router__path {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--yellow);
}

.page-contact .router__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-contribute {
  padding: 6px 0 52px;
}

.page-contact .contact-contribute__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-contribute__text {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .topic-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .topic-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--red);
}

.page-contact .topic-list li:nth-child(even)::before {
  background: var(--yellow);
}

.page-contact .topic-list strong {
  color: var(--light);
  font-weight: 600;
}

.page-contact .contact-contribute__aside {
  padding: 22px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-line);
  background: var(--pc-soft);
}

.page-contact .aside-title {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: st;
}

.page-contact .step-list li {
  counter-increment: st;
  position: relative;
  padding-left: 36px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .step-list li::before {
  content: counter(st);
  position: absolute;
  left: 0;
  top: 1px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-contact .step-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--light);
}

.page-contact .contact-form {
  padding: 6px 0 56px;
}

.page-contact .contact-form__inner {
  max-width: 680px;
}

.page-contact .contact-form__note {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .contact-form__figure {
  margin: 24px 0 22px;
}

.page-contact .contact-form__card {
  padding: 22px 18px;
  border-radius: var(--r-lg);
}

.page-contact .field {
  display: grid;
  gap: 7px;
  margin-bottom: 20px;
}

.page-contact .field:last-of-type {
  margin-bottom: 0;
}

.page-contact .field__label {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .field__input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--pc-line);
  background-color: rgba(10, 30, 24, 0.66);
  color: var(--light);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .field__input::placeholder {
  color: rgba(201, 214, 209, 0.55);
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px rgba(245, 197, 24, 0.18);
}

.page-contact .field__textarea {
  min-height: 132px;
  resize: vertical;
}

.page-contact .field__select {
  appearance: none;
  padding-right: 42px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--mist) 50%),
    linear-gradient(135deg, var(--mist) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% + 1px), calc(100% - 14px) calc(50% + 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.page-contact .field__select option {
  background: var(--ink);
  color: var(--light);
}

.page-contact .field__hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(201, 214, 209, 0.82);
}

.page-contact .field__hint a {
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 197, 24, 0.5);
}

.page-contact .field__error {
  display: none;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--red);
}

.page-contact .field__input:not(:focus):invalid:not(:placeholder-shown) {
  border-color: rgba(226, 58, 46, 0.75);
}

.page-contact .field__input:not(:focus):invalid:not(:placeholder-shown) ~ .field__error {
  display: block;
}

.page-contact .contact-address {
  padding: 6px 0 20px;
}

.page-contact .contact-address__grid {
  display: grid;
  gap: 28px;
}

.page-contact .stamp-card {
  display: grid;
  gap: 4px;
  padding: 22px 20px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(243, 246, 244, 0.22);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .stamp-card__title {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .stamp-card__title:first-child {
  margin-top: 0;
}

.page-contact .stamp-card__line {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--light);
  word-break: break-word;
}

.page-contact .stamp-card__note {
  margin: 16px 0 0;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .contact-address__text {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .addr-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .addr-links a {
  font-size: 14px;
  color: var(--light);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(245, 197, 24, 0.5);
  transition: color 0.2s var(--ease);
}

.page-contact .addr-links a:hover {
  color: var(--yellow);
}

@media (min-width: 760px) {
  .page-contact .sla-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding: 30px 34px 34px;
  }

  .page-contact .contact-form__card {
    padding: 30px 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 26px 0 16px;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-hero__title {
    writing-mode: vertical-rl;
    font-size: clamp(56px, 6vw, 78px);
    letter-spacing: 0.16em;
  }

  .page-contact .contact-hero__anno {
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
    padding-top: 6px;
  }

  .page-contact .contact-hero__lead {
    margin-top: 18px;
    font-size: 17px;
  }

  .page-contact .channel {
    max-width: 720px;
  }

  .page-contact .channel-list > .channel:nth-child(2) {
    margin-left: var(--pc-step);
  }

  .page-contact .channel-list > .channel:nth-child(3),
  .page-contact .channel-list > .channel:nth-child(4) {
    margin-left: calc(var(--pc-step) * 2);
  }

  .page-contact .router {
    grid-template-columns: 150px 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
    padding-right: 8px;
  }

  .page-contact .router::before {
    top: 26px;
  }

  .page-contact .contact-contribute__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-contribute__aside {
    padding: 26px 24px;
    margin-top: 8px;
  }

  .page-contact .contact-address__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 52px;
    align-items: start;
  }
}
<<<END>>>