.page-contact {
  --contact-line: 1px solid var(--mist);
  --contact-cut: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  background: var(--ivory);
  color: var(--navy);
  padding-bottom: clamp(44px, 7vw, 96px);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  margin-top: clamp(14px, 2.4vw, 22px);
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(10px, 2vw, 18px);
  padding: clamp(30px, 5vw, 62px) 0 clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: repeating-linear-gradient(24deg, var(--red) 0 12px, var(--ivory) 12px 26px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -8%;
  width: 62%;
  height: 100%;
  background: repeating-linear-gradient(24deg, rgba(214, 40, 40, 0.9) 0 10px, transparent 10px 32px);
  opacity: 0.13;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 8vw, 4.6rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--navy);
}

.page-contact .contact-hero__title em {
  display: block;
  font-style: normal;
  color: var(--red);
}

.page-contact .contact-hero__lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--navy);
}

.page-contact .contact-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: #fff;
  border: var(--contact-line);
  color: var(--navy);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .contact-jump a span {
  color: var(--red);
  font-weight: 600;
}

.page-contact .contact-jump a:hover,
.page-contact .contact-jump a:focus-visible {
  border-color: var(--red);
  color: var(--red-deep);
}

.page-contact .contact-figure {
  margin: clamp(18px, 3vw, 28px) 0 0;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--contact-line);
  background: var(--paper);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .contact-figure figcaption,
.page-contact .quick-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .contact-section {
  padding: clamp(34px, 6vw, 64px) 0 0;
}

.page-contact .contact-section__head {
  max-width: 780px;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .contact-section__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.2vw, 2.7rem);
  line-height: 1.08;
  color: var(--navy);
}

.page-contact .contact-section__lead {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

/* 通道 */
.page-contact .contact-channels {
  display: grid;
  gap: 20px;
}

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

.page-contact .channel {
  position: relative;
  padding: 20px 20px 22px;
  background: #fff;
  border: var(--contact-line);
  clip-path: var(--contact-cut);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-contact .channel__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--navy);
}

.page-contact .channel__value {
  display: inline-block;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.6vw, 16px);
  color: var(--red-deep);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
  word-break: break-all;
}

.page-contact .channel__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .channel__actions {
  margin-top: 16px;
}

.page-contact .channel--mail {
  background: var(--navy);
  border: 2px solid var(--lime);
  color: var(--ivory);
}

.page-contact .channel--mail .channel__label {
  color: var(--lime);
}

.page-contact .channel--mail .channel__title {
  color: var(--ivory);
}

.page-contact .channel--mail .channel__value {
  color: var(--lime);
}

.page-contact .channel--mail .channel__desc {
  color: rgba(245, 240, 232, 0.8);
}

.page-contact .channel--site {
  border-left: 6px solid var(--moss);
}

.page-contact .channel--site .channel__title {
  color: var(--moss);
}

.page-contact .channel--phone {
  border-left: 6px solid var(--red);
}

.page-contact .channel--phone .channel__title {
  color: var(--red-deep);
}

/* 侧栏 */
.page-contact .contact-side {
  padding: 22px 20px 24px;
  background: var(--paper);
  border: var(--contact-line);
  clip-path: var(--contact-cut);
}

.page-contact .contact-side__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.25;
  color: var(--navy);
}

.page-contact .contact-side__sub {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red-deep);
}

.page-contact .contact-side__hint {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--navy);
}

.page-contact .contact-side__hint a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .timebar {
  margin: 14px 0 0;
  border-top: 1px dashed rgba(18, 38, 58, 0.3);
}

.page-contact .timebar__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(18, 38, 58, 0.3);
}

.page-contact .timebar__day {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

.page-contact .timebar__time {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--red-deep);
}

.page-contact .timebar__note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone);
}

.page-contact .prep {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: prep;
}

.page-contact .prep li {
  position: relative;
  counter-increment: prep;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--navy);
}

.page-contact .prep li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--red);
}

/* 分段切换 */
.page-contact .contact-tabs .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .segmented__btn {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  background: #fff;
  border: var(--contact-line);
  color: var(--navy);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-contact .segmented__btn[aria-selected="true"] {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--lime);
}

.page-contact .segmented__btn:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.page-contact .contact-tabs__panels {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.page-contact .contact-tabs__panel {
  padding: 20px;
  background: #fff;
  border: var(--contact-line);
  border-left: 6px solid var(--moss);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .contact-tabs__panel:nth-child(2) {
  border-left-color: var(--clay);
}

.page-contact .contact-tabs__panel:nth-child(3) {
  border-left-color: var(--red);
}

.page-contact .contact-tabs__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--navy);
}

.page-contact .contact-tabs__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(18, 38, 58, 0.22);
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .checklist {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--navy);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--red);
  transform: rotate(24deg);
}

/* 社群合作 */
.page-contact .coop {
  display: grid;
  gap: 20px;
}

.page-contact .coop__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .coop__list li {
  padding: 14px 16px;
  background: #fff;
  border: var(--contact-line);
  border-left: 5px solid var(--red);
  font-size: 15px;
  line-height: 1.6;
  color: var(--navy);
}

.page-contact .coop__note {
  margin: 16px 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .coop__panel {
  padding: 22px 20px;
}

.page-contact .coop__panel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .coop__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop__panel-text {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.82);
}

/* 地址 */
.page-contact .address-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 36px);
  background: var(--paper);
  border: var(--contact-line);
}

.page-contact .address-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 200px;
  height: 200px;
  background: repeating-linear-gradient(24deg, rgba(214, 40, 40, 0.55) 0 8px, transparent 8px 24px);
  opacity: 0.22;
  pointer-events: none;
}

.page-contact .address-card__label {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red-deep);
}

.page-contact .address-card__text {
  position: relative;
  z-index: 1;
  margin: 12px 0 0;
  max-width: 26ch;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  line-height: 1.7;
  color: var(--navy);
}

.page-contact .address-card__list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(18, 38, 58, 0.16);
}

.page-contact .address-card__list dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-contact .address-card__list dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--navy);
  word-break: break-word;
}

.page-contact .address-card__list a {
  color: var(--red-deep);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
}

/* 自助入口 */
.page-contact .quick-area {
  display: grid;
  gap: 18px;
}

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

.page-contact .quicklink {
  display: grid;
  gap: 8px;
  padding: 20px;
  background: #fff;
  border: var(--contact-line);
  border-top: 4px solid var(--red);
  color: var(--navy);
  text-decoration: none;
  transition: transform var(--ease), border-color var(--ease);
}

.page-contact .quicklink:hover,
.page-contact .quicklink:focus-visible {
  transform: translateY(-3px);
  border-color: var(--red);
}

.page-contact .quicklink__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay);
  letter-spacing: 0.1em;
}

.page-contact .quicklink__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--navy);
}

.page-contact .quicklink__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .quicklink__go {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red-deep);
}

.page-contact .quick-figure {
  margin: 0;
}

.page-contact .quick-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--contact-line);
  background: var(--paper);
}

.page-contact .contact-footlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px dashed rgba(18, 38, 58, 0.25);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .contact-footlinks a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--mist);
}

.page-contact .contact-footlinks a:hover,
.page-contact .contact-footlinks a:focus-visible {
  color: var(--red-deep);
  border-color: var(--red);
}

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

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

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

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding-right: 8%;
  }

  .page-contact .contact-channels {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .coop {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .quick-area {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .contact-section__title {
    letter-spacing: 0.005em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .quicklink,
  .page-contact .segmented__btn,
  .page-contact .contact-jump a {
    transition: none;
  }

  .page-contact .quicklink:hover,
  .page-contact .quicklink:focus-visible {
    transform: none;
  }
}