/* ─────────────────────────────────────────────
   ABOUT page — additional layout
   ───────────────────────────────────────────── */

.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(336px, 38vw, 528px);
  padding: calc(clamp(56px, 7vw, 96px) + 63px) var(--pad-x) clamp(56px, 7vw, 96px);
  background: var(--paper);
  border-bottom: 1px solid var(--hair);
  overflow: hidden;
}
.page-hero__bg {
  position: absolute; inset: 0;
  z-index: 0;
  background: url("../img/vi.jpg") center/cover no-repeat;
}
.page-hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(12,11,9,0.78) 0%, rgba(12,11,9,0.58) 45%, rgba(12,11,9,0.30) 100%);
}
.page-hero__dummy {
  position: absolute;
  left: 50%; top: calc(50% + 31px);
  transform: translate(-50%, -50%);
  font-family: var(--latin);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: rgba(255,255,255,.96);
  padding: 12px 22px;
  background: rgba(0,0,0,.34);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-transform: uppercase;
  font-weight: 500;
  z-index: 2;
  pointer-events: none;
  white-space: nowrap;
}
.page-hero .container { width: 100%; max-width: var(--container); margin: 0 auto; position: relative; z-index: 2; }
.page-hero .crumbs {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--latin);
  font-size: 10.5px;
  letter-spacing: 0.3em;
  color: var(--mid);
  margin-bottom: clamp(22px, 2.8vw, 36px);
}
.page-hero .crumbs a { color: var(--mid); transition: color .25s; }
.page-hero .crumbs a:hover { color: var(--accent); }
.page-hero .crumbs .sep { width: 18px; height: 1px; background: var(--hair-2); display: inline-block; }
.page-hero .crumbs .here { color: var(--ink); }

.page-hero__row {
  display: flex; align-items: center; justify-content: center; text-align: center; gap: 32px;
  flex-wrap: wrap;
  width: 100%;
}
.page-hero__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: #ffffff;
  display: flex; flex-direction: column; align-items: center; gap: clamp(4px, 0.5vw, 7px);
}
.page-hero__title .ja {
  display: block;
  font-family: var(--serif);
  font-size: clamp(26px, 3.6vw, 46px);
  letter-spacing: 0.08em;
  color: #ffffff;
  font-weight: 500;
  line-height: 1.1;
}
.page-hero__title .en {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(16px, 1.6vw, 22px);
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.82);
}
.page-hero__desc {
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-2);
  max-width: 360px;
  padding-bottom: 4px;
}
.page-hero__desc .lead {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink);
  display: block;
  margin-bottom: 8px;
}

.page-hero::after { display: none; }

/* ─────────────────────────────────────────────
   Company overview — definition list
   ───────────────────────────────────────────── */
.company.section { padding-block: var(--rhythm); }
.company .grid {
  display: block;
}
.company__head {
  margin-bottom: clamp(28px, 4vw, 48px);
}
.company__head .section-title { margin-top: 8px; }

.profile-table {
  display: grid;
  grid-template-columns: 170px 1fr;
  column-gap: 0;
  row-gap: 0;
}
.profile-table dt, .profile-table dd {
  padding: 22px 0;
  border-top: 1px solid var(--hair-2);
  line-height: 1.85;
}
.profile-table dt {
  padding-right: clamp(40px, 5vw, 72px);
}
.profile-table dl:first-child dt,
.profile-table dl:first-child dd { border-top: 0; }
.profile-table dl {
  display: contents;
}
.profile-table dt {
  font-family: var(--latin);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  color: var(--mid);
  font-weight: 500;
  text-transform: uppercase;
}
.profile-table dt .ja {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  margin-top: 4px;
  font-weight: 400;
}
.profile-table dd {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.profile-table dd .sub {
  display: block;
  font-family: var(--latin);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mid);
  margin-top: 4px;
}
.profile-table dd ul {
  list-style: none;
  display: flex; flex-direction: column; gap: 4px;
}

/* ─────────────────────────────────────────────
   Offices — map + address cards
   ───────────────────────────────────────────── */
.offices.section { padding-block: var(--rhythm); background: var(--paper-2); }
.offices__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
  margin-bottom: clamp(36px, 5vw, 56px);
}
.offices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 56px);
}

.office {
  display: flex; flex-direction: column;
  background: #ffffff;
  border: 1px solid var(--hair-2);
}
.office__map {
  position: relative;
  aspect-ratio: 16 / 7;
  background: var(--hair);
  overflow: hidden;
}
.office__map iframe {
  width: 100%; height: 100%; border: 0; display: block;
  filter: grayscale(40%) saturate(85%);
  transition: filter .5s ease;
}
.office:hover .office__map iframe { filter: grayscale(0%) saturate(100%); }
.office__map .map-label {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--latin);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: #fff;
  padding: 6px 12px;
  background: rgba(26,24,20,.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.office__body { padding: clamp(24px, 3vw, 40px); display: flex; flex-direction: column; gap: 16px; }
.office__name {
  display: flex; align-items: baseline; gap: 14px;
  border-bottom: 1px solid var(--hair-2);
  padding-bottom: 18px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.office__name .ja {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: 0.08em;
  color: var(--ink);
}
.office__name .en {
  font-family: var(--display);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.office__rows {
  display: grid;
  grid-template-columns: 70px 1fr;
  row-gap: 14px;
  column-gap: 18px;
  font-size: 13px;
  line-height: 1.85;
}
.office__rows dt {
  font-family: var(--latin);
  font-size: 9.5px;
  letter-spacing: 0.3em;
  color: var(--mid);
  text-transform: uppercase;
  padding-top: 4px;
  font-weight: 500;
}
.office__rows dd { color: var(--ink); letter-spacing: 0.04em; }
.office__rows dd a {
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}
.office__rows dd a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.office__rows .post {
  font-family: var(--latin); font-size: 11px;
  letter-spacing: 0.18em; color: var(--mid);
  margin-right: 0.6em;
}

.office__actions {
  margin-top: 8px;
  display: flex; gap: 22px;
  border-top: 1px solid var(--hair-2);
  padding-top: 18px;
}
.office__actions a {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--latin);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  color: var(--ink);
  transition: color .25s, transform .35s cubic-bezier(.2,.7,.2,1);
}
.office__actions a svg { width: 24px; height: 8px; }
.office__actions a:hover { color: var(--accent); }
.office__actions a:hover svg { transform: translateX(4px); }

/* ─────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .page-hero { padding-top: calc(clamp(44px, 8vw, 72px) + 63px); padding-bottom: clamp(44px, 8vw, 72px); }
  .page-hero__row { flex-direction: column; align-items: center; gap: 20px; }
  .profile-table { grid-template-columns: 130px 1fr; }
  .profile-table dt, .profile-table dd { padding: 16px 0; font-size: 12.5px; }
  .offices__grid { grid-template-columns: 1fr; }
  .office__rows { grid-template-columns: 60px 1fr; font-size: 12.5px; }
  .page-hero::after { font-size: 140px; bottom: -8%; }
}