.page-contact {
  background: var(--ml-ink);
  color: var(--ml-chalk);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .breadcrumbs {
  padding-top: clamp(18px, 3vw, 30px);
  font-family: var(--ml-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ml-sage);
}

.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin: 0 8px;
  color: var(--ml-line);
}

.page-contact .eyebrow {
  margin: 0 0 10px;
  color: var(--ml-cyan);
  font-family: var(--ml-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-contact .contact-top {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  padding-block: clamp(20px, 4vw, 44px) clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--ml-line);
}

.page-contact .contact-top h1 {
  margin: 0 0 14px;
  font-family: var(--ml-font-display);
  font-size: clamp(36px, 8vw, 68px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ml-chalk);
}

.page-contact .contact-top .lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ml-sage);
}

.page-contact .contact-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--ml-font-mono);
  font-size: 13px;
  color: var(--ml-chalk);
}

.page-contact .contact-quick li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  word-break: break-all;
}

.page-contact .contact-quick .mono {
  color: var(--ml-cyan-soft);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-contact .contact-top__visual {
  position: relative;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--ml-line);
  border-radius: var(--ml-radius);
  overflow: hidden;
  background: var(--ml-panel);
  box-shadow: var(--ml-shadow);
}

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

.page-contact .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-contact .sec-head__idx {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ml-orange);
  border-bottom: 2px solid var(--ml-orange-deep);
  padding-bottom: 2px;
}

.page-contact .sec-head h2 {
  margin: 0;
  font-family: var(--ml-font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--ml-chalk);
}

.page-contact .channel-board {
  padding-block: clamp(30px, 5vw, 56px);
}

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

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

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--ml-panel);
  border: 1px solid var(--ml-line);
  border-radius: var(--ml-radius);
  box-shadow: var(--ml-shadow);
  overflow: hidden;
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--ml-cyan);
}

.page-contact .channel--addr::before {
  background: var(--ml-orange);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--ml-cyan-soft);
}

.page-contact .channel--addr:hover,
.page-contact .channel--addr:focus-within {
  border-color: var(--ml-orange);
}

.page-contact .channel__tag {
  align-self: flex-start;
  padding: 3px 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ml-ink);
  background: var(--ml-cyan);
  border-radius: 2px;
}

.page-contact .channel--addr .channel__tag {
  background: var(--ml-orange);
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--ml-font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ml-chalk);
}

.page-contact .channel__value {
  margin: 0;
  font-size: clamp(17px, 2.4vw, 25px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--ml-cyan-soft);
  word-break: break-all;
}

.page-contact .channel__value--tel {
  font-size: clamp(22px, 3.4vw, 34px);
  color: var(--ml-chalk);
  letter-spacing: 0.03em;
}

.page-contact .channel__value--addr {
  font-family: var(--ml-font-body);
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.65;
  color: var(--ml-chalk);
  word-break: normal;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ml-sage);
}

.page-contact .feedback {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--ml-line);
}

.page-contact .feedback__intro h2 {
  margin: 0 0 12px;
  font-family: var(--ml-font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--ml-chalk);
}

.page-contact .feedback__intro p {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ml-sage);
}

.page-contact .scene-list {
  display: grid;
  gap: 0;
}

.page-contact .scene {
  border-top: 1px solid var(--ml-line);
  padding: 4px 0;
}

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

.page-contact .scene__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 30px 16px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
}

.page-contact .scene__sum::-webkit-details-marker {
  display: none;
}

.page-contact .scene__sum::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ml-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ml-cyan);
  transition: color 0.2s ease;
}

.page-contact .scene[open] .scene__sum::after {
  content: "-";
  color: var(--ml-orange);
}

.page-contact .scene__label {
  font-family: var(--ml-font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ml-chalk);
}

.page-contact .scene__hint {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ml-sage);
}

.page-contact .scene__body {
  padding: 0 30px 18px 0;
}

.page-contact .scene__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ml-sage);
}

.page-contact .address-block {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--ml-line);
}

.page-contact .address-block__visual {
  aspect-ratio: 10 / 7;
  border: 1px solid var(--ml-line);
  border-radius: var(--ml-radius);
  overflow: hidden;
  background: var(--ml-panel);
}

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

.page-contact .address-block__text h2 {
  margin: 0 0 14px;
  font-family: var(--ml-font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--ml-chalk);
}

.page-contact .address-block__text p {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ml-sage);
}

.page-contact .address-line {
  font-family: var(--ml-font-mono);
  font-size: clamp(15px, 1.8vw, 18px) !important;
  line-height: 1.7 !important;
  color: var(--ml-chalk) !important;
  padding-left: 14px;
  border-left: 3px solid var(--ml-orange);
}

.page-contact .address-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--ml-line);
}

.page-contact .address-meta dt {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ml-sage);
}

.page-contact .address-meta dd {
  margin: 0;
  font-family: var(--ml-font-mono);
  font-size: 14px;
  color: var(--ml-cyan-soft);
}

.page-contact .coop {
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--ml-line);
}

.page-contact .coop__lead {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ml-sage);
}

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

.page-contact .coop-item {
  padding: 16px 18px;
  background: var(--ml-panel);
  border: 1px solid var(--ml-line);
  border-left: 2px solid var(--ml-cyan-soft);
  border-radius: var(--ml-radius);
}

.page-contact .coop-item__k {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ml-amber);
}

.page-contact .coop-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ml-sage);
}

.page-contact .before-send {
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--ml-line);
}

.page-contact .before-send__head {
  margin-bottom: 18px;
}

.page-contact .before-send__head h2 {
  margin: 0;
  font-family: var(--ml-font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--ml-chalk);
}

.page-contact .idx-strip {
  display: grid;
  gap: 1px;
  background: var(--ml-line);
  border: 1px solid var(--ml-line);
  border-radius: var(--ml-radius);
  overflow: hidden;
}

.page-contact .idx-strip__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--ml-panel);
  text-decoration: none;
  transition: background 0.22s ease, padding-left 0.22s ease;
}

.page-contact .idx-strip__item:hover,
.page-contact .idx-strip__item:focus-visible {
  background: #123227;
  padding-left: 24px;
}

.page-contact .idx-strip__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ml-cyan);
}

.page-contact .idx-strip__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ml-sage);
}

.page-contact .idx-strip__item:focus-visible {
  outline: 2px solid var(--ml-cyan);
  outline-offset: -2px;
}

.page-contact .scene__sum:focus-visible {
  outline: 2px solid var(--ml-cyan);
  outline-offset: 4px;
}

@media (min-width: 560px) {
  .page-contact .scene__sum {
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .scene__label {
    flex: 1 1 auto;
  }

  .page-contact .scene__hint {
    flex: none;
    text-align: right;
    padding-right: 26px;
  }

  .page-contact .idx-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .contact-top {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-contact .contact-top__visual {
    aspect-ratio: 4 / 3;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .channel--mail {
    justify-content: center;
  }

  .page-contact .feedback {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-contact .feedback__intro {
    position: sticky;
    top: 96px;
  }

  .page-contact .address-block {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-contact .coop-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .idx-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .idx-strip__item,
  .page-contact .scene__sum::after {
    transition: none;
  }
}
<<<END>>>
```