.page-contact {
  --contact-pad: clamp(1.15rem, 3vw, 1.85rem);
  --contact-rule: 1px solid var(--line);
}

.page-contact .section {
  padding-block: clamp(2.25rem, 5.5vw, 4.25rem);
}

.page-contact .contact-hero {
  padding-top: clamp(0.75rem, 2vw, 1.5rem);
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  color: var(--line);
}

.page-contact .breadcrumbs a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}

.page-contact .breadcrumbs a:hover {
  border-bottom-color: var(--link);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

.page-contact h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-contact h2 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.2vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--paper);
}

.page-contact .step-no {
  margin-right: 0.55rem;
  color: var(--cyan);
  letter-spacing: 0.12em;
}

.page-contact .section-lede {
  margin: 0.85rem 0 0;
  max-width: 42ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1rem, 3vw, 2rem);
  align-items: start;
}

.page-contact .contact-lede {
  margin: 1rem 0 0;
  max-width: 34ch;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-anchor {
  display: grid;
  gap: 0.5rem;
  margin-top: clamp(1.4rem, 3.5vw, 2.15rem);
}

.page-contact .anchor-block {
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 2px solid var(--line);
}

.page-contact .anchor-block--mail {
  border-left-color: var(--cyan);
}

.page-contact .anchor-block--phone {
  border-left-color: var(--orange);
}

.page-contact .anchor-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .anchor-value {
  margin: 0.2rem 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .anchor-block--mail .anchor-value {
  font-size: clamp(0.92rem, 3.2vw, 1.26rem);
  letter-spacing: -0.01em;
}

.page-contact .anchor-block--phone .anchor-value {
  font-size: clamp(1.45rem, 5.2vw, 2.15rem);
  letter-spacing: 0.01em;
}

.page-contact .contact-meta {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.95;
  letter-spacing: 0.03em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .contact-meta span {
  margin: 0 0.45rem;
  color: var(--cyan);
}

.page-contact .contact-hero-side {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.page-contact .contact-hero-media {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: var(--contact-rule);
  background: var(--night);
}

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

.page-contact .contact-topic-panel {
  padding: var(--contact-pad);
  border-radius: var(--radius);
  border: var(--contact-rule);
  background: linear-gradient(152deg, rgba(20, 40, 68, 0.92), rgba(11, 23, 48, 0.94));
  box-shadow: var(--shadow-float);
}

.page-contact .contact-topic-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.9rem 0 0;
}

.page-contact .filter-btn {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .filter-btn:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .contact-topic-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.05rem;
}

.page-contact .contact-topic-card {
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
}

.page-contact .contact-topic-card[hidden] {
  display: none;
}

.page-contact .topic-head {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0;
}

.page-contact .topic-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .topic-title {
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .topic-desc {
  margin: 0.3rem 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .topic-prep {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--mint);
}

.page-contact .contact-material-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .material-list {
  display: grid;
  gap: 1.1rem;
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .material-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: var(--contact-rule);
}

.page-contact .material-list li:first-child {
  padding-top: 0;
  border-top: none;
}

.page-contact .material-num {
  padding-top: 0.18rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .material-list h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .material-list p {
  margin: 0.3rem 0 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-material-media {
  margin: 0;
  aspect-ratio: 5 / 3;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: var(--contact-rule);
  background: var(--night);
}

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

.page-contact .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.3rem, 3vw, 2rem);
}

.page-contact .rhythm-card {
  padding: var(--contact-pad);
  border-radius: var(--radius);
  border: var(--contact-rule);
  border-top: 2px solid var(--cyan);
  background: var(--night);
}

.page-contact .rhythm-card:nth-child(2) {
  border-top-color: var(--mint);
}

.page-contact .rhythm-card:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .rhythm-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .rhythm-card h3 {
  margin: 0.55rem 0 0;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .rhythm-card p {
  margin: 0.45rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .rhythm-card a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 200, 255, 0.45);
}

.page-contact .rhythm-card a:hover {
  border-bottom-color: var(--link);
}

.page-contact .contact-note-line {
  margin: 1.35rem 0 0;
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-note-line a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 200, 255, 0.45);
}

.page-contact .contact-pathback {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.5rem);
}

.page-contact .contact-pathback svg {
  display: block;
  width: 100%;
  height: clamp(42px, 7vw, 84px);
}

.page-contact .contact-pathback a {
  justify-self: start;
}

.page-contact .contact-partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.35rem, 3.5vw, 2.75rem);
  align-items: start;
}

.page-contact .contact-partner-copy .btn {
  margin-top: clamp(1.15rem, 2.5vw, 1.6rem);
}

.page-contact .partner-card {
  padding: var(--contact-pad);
  border-radius: var(--radius);
  border: var(--contact-rule);
  background: linear-gradient(160deg, rgba(20, 40, 68, 0.9), rgba(11, 23, 48, 0.94));
}

.page-contact .partner-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding: 0.8rem 0;
  border-bottom: var(--contact-rule);
}

.page-contact .partner-row:first-child {
  padding-top: 0;
}

.page-contact .partner-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-contact .partner-key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .partner-val {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--mist);
}

@media (min-width: 620px) {
  .page-contact .partner-row {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 0.9rem;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .rhythm-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-pathback {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .contact-pathback svg {
    order: 2;
  }

  .page-contact .contact-pathback a {
    grid-column: 1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-material-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(2rem, 4.5vw, 3.25rem);
  }

  .page-contact .contact-partner-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 4.5vw, 3.5rem);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 4.8vw, 3.75rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter-btn,
  .page-contact .breadcrumbs a {
    transition: none;
  }
}