.page-contact {
  --pc-dim: #B9C7C3;
  --pc-ink-soft: #C7D3CF;
  padding-bottom: 56px;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0 34px;
  border-bottom: 1px solid var(--hair);
}

.page-contact .hero-main h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 6.4vw, 44px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 10px 0 14px;
}

.page-contact .hero-main .lede {
  margin: 0;
  max-width: 36em;
  font-size: var(--t-3);
  line-height: 1.8;
  color: var(--ink-mid);
}

.page-contact .hero-side {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.page-contact .side-title {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-size: var(--t-1);
  letter-spacing: .16em;
  color: var(--cinnabar);
}

.page-contact .side-mail {
  display: block;
  font-family: var(--mono);
  font-size: var(--t-2);
  color: var(--ink-deep);
  text-decoration: none;
  overflow-wrap: anywhere;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hair);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .side-mail:hover,
.page-contact .side-mail:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

.page-contact .side-tel {
  display: block;
  margin: 10px 0 8px;
  font-family: var(--mono);
  font-size: var(--t-5);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--carbon);
  text-decoration: none;
}

.page-contact .side-tel:hover,
.page-contact .side-tel:focus-visible {
  color: var(--cinnabar);
}

.page-contact .side-note {
  margin: 0;
  font-size: var(--t-2);
  line-height: 1.7;
  color: var(--water);
}

/* 章节通用 */
.page-contact .contact-pick,
.page-contact .contact-rhythm,
.page-contact .contact-coop,
.page-contact .contact-visit {
  padding-top: 44px;
}

.page-contact .chapter {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
}

.page-contact .chapter-index {
  flex: none;
  font-family: var(--mono);
  font-size: var(--t-2);
  letter-spacing: .08em;
  color: var(--cinnabar);
}

.page-contact .chapter-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(20px, 5vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-contact .section-lede {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: var(--t-3);
  line-height: 1.75;
  color: var(--ink-mid);
}

/* 01 分流带 */
.page-contact .pick-bands {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .pick-band {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--ink-mid);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background-color .16s var(--ease), border-left-color .16s var(--ease);
}

.page-contact .pick-band:hover,
.page-contact .pick-band[open] {
  background: var(--cinnabar-soft);
  border-left-color: var(--cinnabar);
}

.page-contact .pick-band > summary {
  position: relative;
  display: block;
  padding: 14px 44px 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-contact .pick-band > summary::-webkit-details-marker {
  display: none;
}

.page-contact .pick-band > summary::after {
  content: "＋";
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: var(--mono);
  font-size: var(--t-3);
  color: var(--ink-mid);
}

.page-contact .pick-band[open] > summary::after {
  content: "－";
  color: var(--cinnabar);
}

.page-contact .pick-num {
  font-family: var(--mono);
  font-size: var(--t-1);
  letter-spacing: .1em;
  color: var(--cinnabar);
}

.page-contact .pick-name {
  margin-left: 9px;
  font-family: var(--serif);
  font-size: var(--t-4);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-contact .pick-hint {
  display: block;
  margin-top: 4px;
  font-size: var(--t-2);
  line-height: 1.6;
  color: var(--ink-mid);
}

.page-contact .pick-body {
  padding: 12px 16px 16px;
  margin-top: 2px;
  border-top: 1px solid rgba(190, 58, 43, .18);
}

.page-contact .pick-body p {
  margin: 0 0 10px;
  font-size: var(--t-2);
  line-height: 1.75;
  color: var(--ink-deep);
}

.page-contact .pick-body ul {
  display: grid;
  gap: 5px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-contact .pick-body li {
  position: relative;
  padding-left: 14px;
  font-size: var(--t-2);
  line-height: 1.7;
  color: var(--ink-mid);
}

.page-contact .pick-body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cinnabar);
}

.page-contact .pick-media {
  margin: 22px 0 0;
}

.page-contact .pick-media img,
.page-contact .visit-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

/* 02 深色联系区 */
.page-contact .contact-reach {
  margin-top: 48px;
  padding: 34px 0 40px;
  background: var(--ink-deep);
  color: var(--paper);
}

.page-contact .contact-reach .chapter {
  border-top-color: rgba(242, 245, 241, .25);
}

.page-contact .contact-reach .chapter-title {
  color: var(--paper);
}

.page-contact .contact-reach .chapter-index {
  color: var(--lime);
}

.page-contact .section-lede--dark {
  color: var(--pc-ink-soft);
}

.page-contact .reach-rows {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .reach-row {
  padding: 16px 0;
  border-top: 1px solid rgba(242, 245, 241, .16);
}

.page-contact .reach-row:first-child {
  padding-top: 2px;
  border-top: none;
}

.page-contact .reach-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--sans);
  font-size: var(--t-1);
  letter-spacing: .16em;
  color: var(--lime);
}

.page-contact .reach-value {
  display: inline-block;
  max-width: 100%;
  padding-bottom: 3px;
  font-family: var(--mono);
  font-size: clamp(16px, 4.4vw, 27px);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid rgba(168, 198, 63, .5);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .reach-value:hover,
.page-contact .reach-value:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .reach-note {
  margin: 10px 0 0;
  max-width: 36em;
  font-size: var(--t-2);
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

/* 03 回音节奏 */
.page-contact .rhythm-list {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  max-width: 44em;
  list-style: none;
}

.page-contact .rhythm-list li {
  position: relative;
  padding: 4px 0 22px 22px;
  border-left: 1px solid var(--hair);
}

.page-contact .rhythm-list li:last-child {
  padding-bottom: 2px;
}

.page-contact .rhythm-list li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cinnabar);
  box-shadow: 0 0 0 3px var(--mist);
}

.page-contact .rhythm-key {
  display: block;
  margin-bottom: 3px;
  font-family: var(--mono);
  font-size: var(--t-2);
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-contact .rhythm-list p {
  margin: 0;
  font-size: var(--t-2);
  line-height: 1.75;
  color: var(--ink-mid);
}

.page-contact .rhythm-flag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: 44em;
  margin: 20px 0 0;
  padding: 12px 14px;
  font-size: var(--t-2);
  line-height: 1.7;
  color: var(--ink-deep);
  background: var(--paper);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* 04 合作 */
.page-contact .coop-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-contact .coop-main .lede {
  margin: 0;
  max-width: 36em;
  font-size: var(--t-3);
  line-height: 1.8;
  color: var(--ink-mid);
}

.page-contact .coop-list {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-list > li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .coop-idx {
  padding-top: 4px;
  font-family: var(--mono);
  font-size: var(--t-1);
  letter-spacing: .08em;
  color: var(--cinnabar);
}

.page-contact .coop-list h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: var(--t-3);
  font-weight: 700;
  color: var(--ink-deep);
}

.page-contact .coop-list p {
  margin: 0;
  font-size: var(--t-2);
  line-height: 1.75;
  color: var(--ink-mid);
}

.page-contact .coop-stats {
  align-self: start;
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .coop-stats-title {
  margin: 0 0 12px;
  font-size: var(--t-1);
  letter-spacing: .14em;
  color: var(--water);
}

.page-contact .coop-stats dl {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
}

.page-contact .coop-stats dl > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--hair);
}

.page-contact .coop-stats dt {
  font-size: var(--t-2);
  color: var(--ink-mid);
}

.page-contact .coop-stats dd {
  margin: 0;
  font-size: var(--t-2);
  color: var(--ink-deep);
  white-space: nowrap;
}

.page-contact .coop-num {
  font-family: var(--mono);
  font-size: var(--t-5);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--carbon);
}

/* 05 到访 */
.page-contact .visit-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .visit-card {
  position: relative;
  overflow: hidden;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-contact .visit-pin {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  color: var(--ink-mid);
  opacity: .28;
}

.page-contact .visit-addr {
  margin: 0 0 10px;
  padding-right: 52px;
  font-family: var(--sans);
  font-size: var(--t-3);
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink-deep);
}

.page-contact .visit-hours {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: var(--t-2);
  letter-spacing: -0.01em;
  color: var(--cinnabar);
}

.page-contact .visit-note {
  margin: 0;
  font-size: var(--t-2);
  line-height: 1.75;
  color: var(--ink-mid);
}

.page-contact .visit-pre {
  max-width: 42em;
  margin: 22px 0 0;
  font-size: var(--t-2);
  line-height: 1.85;
  color: var(--ink-mid);
}

.page-contact .visit-pre a {
  color: var(--ink-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}

.page-contact .visit-pre a:hover,
.page-contact .visit-pre a:focus-visible {
  color: var(--cinnabar);
}

.page-contact .contact-strip {
  margin-top: 22px;
  background: var(--mist);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--ink-deep);
  border-radius: var(--radius);
}

.page-contact .contact-strip > summary {
  position: relative;
  display: block;
  padding: 14px 42px 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .contact-strip > summary::after {
  content: "＋";
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--mono);
  color: var(--ink-mid);
}

.page-contact .contact-strip[open] > summary::after {
  content: "－";
  color: var(--cinnabar);
}

.page-contact .strip-label {
  display: block;
  margin-bottom: 4px;
  font-size: var(--t-1);
  letter-spacing: .14em;
  color: var(--cinnabar);
}

.page-contact .strip-value {
  display: block;
  font-size: var(--t-2);
  line-height: 1.7;
  color: var(--ink-deep);
}

.page-contact .strip-body {
  padding: 0 16px 16px;
}

.page-contact .strip-body p {
  margin: 0 0 6px;
  font-size: var(--t-2);
  line-height: 1.8;
  color: var(--ink-mid);
}

.page-contact .strip-body p:last-child {
  margin-bottom: 0;
}

/* 断点 */
@media (min-width: 720px) {
  .page-contact .pick-bands {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, 1fr);
  }

  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
    padding: 24px 0 42px;
  }

  .page-contact .coop-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 32px;
  }

  .page-contact .visit-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .chapter {
    margin-bottom: 22px;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-pick,
  .page-contact .contact-rhythm,
  .page-contact .contact-coop,
  .page-contact .contact-visit {
    padding-top: 56px;
  }

  .page-contact .reach-row {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 20px;
    padding: 20px 0;
  }

  .page-contact .reach-label {
    margin-bottom: 0;
  }

  .page-contact .reach-note {
    grid-column: 2;
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pick-band,
  .page-contact .side-mail,
  .page-contact .reach-value {
    transition: none;
  }
}
<<<END>>>