.page-contact {
  --ct-gap: clamp(14px, 2.2vw, 26px);
  --ct-pad: clamp(20px, 2.6vw, 34px);
  background: var(--space);
  color: var(--paper);
}

/* ---------- hero ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(18px, 3vw, 36px) 0 clamp(48px, 7vw, 96px);
  background:
    radial-gradient(110% 80% at 92% 0%, rgba(59, 42, 107, 0.85) 0%, rgba(11, 16, 38, 0) 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--space) 72%);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(167, 176, 201, 0.30) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  pointer-events: none;
}

.page-contact .ct-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.page-contact .ct-frame {
  position: relative;
  border: 1px solid var(--line-strong);
  padding: clamp(22px, 3vw, 42px);
  background: var(--glass);
}

.page-contact .ct-frame::before,
.page-contact .ct-frame::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--cyan);
}

.page-contact .ct-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .ct-frame::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .ct-ruler {
  position: absolute;
  top: 0;
  left: clamp(22px, 3vw, 42px);
  right: clamp(22px, 3vw, 42px);
  height: 6px;
  background-image: repeating-linear-gradient(90deg, rgba(167, 176, 201, 0.45) 0 1px, transparent 1px 12px);
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .ct-hero__lead .t-eyebrow {
  margin: 14px 0 14px;
  color: var(--cyan);
}

.page-contact .ct-hero__lead .t-hero {
  margin: 0 0 18px;
  color: var(--paper);
}

.page-contact .ct-hero__lede {
  margin: 0 0 24px;
  max-width: 46ch;
  color: var(--dust);
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--dust);
}

.page-contact .ct-hero__facts li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .ct-hero__facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--amber);
  flex: none;
}

.page-contact .ct-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--volt) 45%, var(--amber));
}

.page-contact .ct-hero__cap {
  position: absolute;
  left: 12px;
  bottom: 16px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  background: var(--glass);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--dust);
}

/* ---------- shared section chrome ---------- */
.page-contact .ct-sec {
  padding: var(--sec-y) 0;
}

.page-contact .ct-sec--tight {
  padding-top: clamp(26px, 4vw, 52px);
}

.page-contact .ct-sec--cards {
  background: var(--space);
}

.page-contact .ct-sec--hours {
  background: linear-gradient(180deg, var(--space) 0%, var(--ink) 100%);
}

.page-contact .ct-sec--paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.page-contact .ct-sec--nebula {
  background: linear-gradient(180deg, var(--ink) 0%, var(--nebula) 52%, var(--ink) 100%);
}

.page-contact .ct-sec--foot {
  padding: clamp(44px, 6vw, 80px) 0;
  background: var(--ink);
  border-top: 1px solid var(--line);
}

.page-contact .ct-head {
  margin-bottom: clamp(22px, 3vw, 40px);
  max-width: 64ch;
}

.page-contact .ct-head--tight {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-contact .ct-head__idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .ct-head .t-h2 {
  margin: 0 0 10px;
}

.page-contact .ct-head__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .ct-sec--paper .ct-head__idx,
.page-contact .ct-office__body .ct-head__idx {
  color: var(--volt-ink);
}

.page-contact .ct-sec--paper .ct-head__note {
  color: rgba(20, 26, 46, 0.68);
}

/* ---------- contact bento ---------- */
.page-contact .ct-cards {
  display: grid;
  gap: var(--ct-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(59, 42, 107, 0.28), rgba(6, 8, 20, 0.86));
}

.page-contact .ct-card--mail {
  border-color: var(--line-strong);
  background: linear-gradient(160deg, rgba(59, 42, 107, 0.62), rgba(6, 8, 20, 0.9));
}

.page-contact .ct-card--mail::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2px;
  height: 48px;
  background: var(--cyan);
}

.page-contact .ct-card--phone::before,
.page-contact .ct-card--visit::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2px;
  height: 30px;
  background: var(--amber);
}

.page-contact .ct-card__idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--dust);
}

.page-contact .ct-card__title {
  margin: 0 0 12px;
  color: var(--paper);
}

.page-contact .ct-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--paper);
}

.page-contact .ct-card__value--mail {
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .ct-card--phone .ct-card__value {
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-contact .ct-card__value--addr {
  font-size: var(--fs-14);
  line-height: 1.85;
  letter-spacing: 0.02em;
  word-break: break-word;
}

.page-contact .ct-card__text {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .ct-card__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .ct-card__list li {
  position: relative;
  padding: 9px 0 9px 16px;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--dust);
}

.page-contact .ct-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .ct-card__foot {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .ct-card__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- hours timeline ---------- */
.page-contact .ct-time {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .ct-track {
  position: relative;
  height: clamp(46px, 7vw, 62px);
  border: 1px solid var(--line);
  background-color: rgba(6, 8, 20, 0.75);
  background-image: repeating-linear-gradient(90deg, rgba(167, 176, 201, 0.20) 0 1px, transparent 1px 100%);
  background-size: calc(100% / 24) 100%;
}

.page-contact .ct-track__window {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  background: linear-gradient(180deg, rgba(55, 230, 210, 0.28), rgba(55, 230, 210, 0.08));
  transition: background 0.28s var(--ease);
}

.page-contact .ct-track:hover .ct-track__window,
.page-contact .ct-track:focus-within .ct-track__window {
  background: linear-gradient(180deg, rgba(55, 230, 210, 0.46), rgba(55, 230, 210, 0.18));
}

.page-contact .ct-track__label {
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .ct-track__scale {
  position: relative;
  height: 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--dust);
}

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

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

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

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

.page-contact .ct-track__scale span:nth-child(4) {
  left: 50%;
}

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

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

.page-contact .ct-time__facts {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .ct-time__facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  background: var(--space);
  font-size: var(--fs-14);
}

.page-contact .ct-time__k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--dust);
}

.page-contact .ct-time__v {
  color: var(--paper);
  text-align: right;
}

/* ---------- email tips tabs ---------- */
.page-contact .ct-tabs {
  display: grid;
}

.page-contact .ct-tablist {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line-paper);
}

.page-contact .ct-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid var(--line-paper);
  border-bottom: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 600;
  color: rgba(20, 26, 46, 0.64);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-tab__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: rgba(20, 26, 46, 0.42);
}

.page-contact .ct-tab:hover {
  background: rgba(20, 26, 46, 0.05);
  color: var(--paper-ink);
}

.page-contact .ct-tab[aria-selected="true"] {
  border-color: var(--paper-ink);
  background: var(--paper-ink);
  color: var(--paper);
}

.page-contact .ct-tab[aria-selected="true"] .ct-tab__idx {
  color: var(--cyan);
}

.page-contact .ct-tab:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -3px;
}

.page-contact .ct-panels {
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--line-paper);
  border-top: 0;
  background: rgba(20, 26, 46, 0.035);
}

.page-contact .ct-panel {
  outline: none;
}

.page-contact .ct-panel[hidden] {
  display: none;
}

.page-contact .ct-panel:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: 4px;
}

.page-contact .ct-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-list li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-paper);
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--paper-ink);
}

.page-contact .ct-list li:last-child {
  border-bottom: 0;
}

.page-contact .ct-list__n {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--volt-ink);
}

/* ---------- cooperation directory ---------- */
.page-contact .ct-dir {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .ct-dir__item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 26px);
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-dir__idx {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .ct-dir__title {
  margin: 0 0 8px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-dir__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--dust);
}

.page-contact .ct-dir__foot {
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--dust);
}

.page-contact .ct-dir__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- office ---------- */
.page-contact .ct-office {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-contact .ct-office__media {
  margin: 0;
  border: 1px solid var(--line-paper);
}

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

.page-contact .ct-office__media figcaption {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: rgba(20, 26, 46, 0.6);
}

.page-contact .ct-office__body .t-h2 {
  margin: 0 0 14px;
}

.page-contact .ct-office__addr {
  margin: 0 0 14px;
  padding: 14px 16px;
  border: 1px solid var(--line-paper);
  border-left: 3px solid var(--amber);
  background: rgba(20, 26, 46, 0.04);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-contact .ct-office__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(20, 26, 46, 0.8);
}

.page-contact .ct-visit {
  margin-top: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line-paper);
  background: rgba(255, 255, 255, 0.45);
}

.page-contact .ct-visit > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--paper-ink);
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-visit > summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-visit > summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transition: transform 0.2s var(--ease);
}

.page-contact .ct-visit[open] > summary::before {
  transform: rotate(45deg);
}

.page-contact .ct-visit > summary:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -3px;
}

.page-contact .ct-visit ul {
  margin: 0;
  padding: 0 18px 18px;
  list-style: none;
}

.page-contact .ct-visit li {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--line-paper);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(20, 26, 46, 0.78);
}

.page-contact .ct-visit li::before {
  content: "—";
  flex: none;
  color: var(--volt-ink);
}

/* ---------- filing ---------- */
.page-contact .ct-filing {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .ct-filing__grid {
  display: grid;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .ct-filing__grid > div {
  padding: 16px 18px;
  background: var(--ink);
}

.page-contact .ct-filing__grid dt {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--dust);
}

.page-contact .ct-filing__grid dd {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .ct-filing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 0;
  font-size: var(--fs-14);
}

.page-contact .ct-filing__links a {
  padding-bottom: 2px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 230, 210, 0.4);
  transition: border-color 0.2s var(--ease);
}

.page-contact .ct-filing__links a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- responsive ---------- */
@media (max-width: 560px) {
  .page-contact .ct-track__scale span:nth-child(2),
  .page-contact .ct-track__scale span:nth-child(4) {
    display: none;
  }

  .page-contact .ct-track__label {
    font-size: 11px;
    letter-spacing: 0.04em;
  }

  .page-contact .ct-tab {
    flex: 1 1 50%;
    justify-content: flex-start;
    padding: 11px 12px;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-card--mail {
    grid-column: span 2;
  }

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

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

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-office {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .ct-card--mail {
    grid-column: span 6;
  }

  .page-contact .ct-card--phone,
  .page-contact .ct-card--visit {
    grid-column: span 3;
  }

  .page-contact .ct-time {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-track__window,
  .page-contact .ct-tab,
  .page-contact .ct-visit > summary::before,
  .page-contact .ct-filing__links a {
    transition: none;
  }
}