.about-main {
  width: min(1180px, calc(100% - 32px));
}

.page-back-home {
  margin: 0 0 14px;
}

.page-back-home a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  background: #ffffff;
  color: #123053;
  font-weight: 800;
}

.page-back-home a:hover,
.page-back-home a:focus-visible {
  color: #123053;
  text-decoration: none;
}

.about-section {
  margin-top: 20px;
}

.about-body {
  line-height: 1.85;
}

.about-body > :first-child {
  margin-top: 0;
}

.about-body > :last-child {
  margin-bottom: 0;
}

.about-brand {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  margin-bottom: 8px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.about-brand img {
  display: block;
  width: 112px;
  height: auto;
}

.about-lead {
  color: var(--text);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  font-weight: 800;
}

.service-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.service-profile-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.service-screen {
  display: block;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #e7edf5;
}

.service-screen img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1280 / 820;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.service-screen:hover img,
.service-screen:focus-visible img {
  transform: scale(1.015);
}

.service-profile-body {
  padding: 20px;
}

.service-profile-body h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.service-profile-body p {
  margin: 0;
  color: var(--muted);
}

.service-future {
  margin: 20px 0 0;
  padding: 16px 18px;
  border-left: 5px solid var(--green);
  border-radius: 8px;
  background: #eef9f6;
  color: var(--text);
  font-weight: 700;
}

.profile-table-wrap {
  overflow-x: auto;
}

.profile-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--line);
}

.profile-table th,
.profile-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.profile-table tr:last-child th,
.profile-table tr:last-child td {
  border-bottom: 0;
}

.profile-table th {
  width: 165px;
  background: var(--panel-soft);
  color: var(--text);
  font-weight: 800;
}

.business-list {
  margin: 0;
  padding-left: 1.4em;
}

.operator-summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
  padding: 18px 20px;
  border-left: 5px solid var(--blue);
  border-radius: 8px;
  background: var(--panel-soft);
}

.operator-summary p {
  margin: 0;
}

.operator-name {
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 800;
}

.operator-story h3,
.qualification-card h3 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1.08rem;
}

.qualification-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.qualification-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.qualification-card ul {
  margin: 0;
  padding-left: 1.35em;
}

.qualification-card li + li {
  margin-top: 6px;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 58px;
  min-height: 50px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  background: var(--blue);
  box-shadow: 0 8px 24px rgba(23, 32, 51, 0.28);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--green);
  color: #ffffff;
  text-decoration: none;
}

@media (max-width: 760px) {
  .about-main {
    width: min(100% - 22px, 1180px);
  }

  .page-back-home a {
    width: 100%;
  }

  .service-showcase,
  .qualification-grid {
    grid-template-columns: 1fr;
  }

  .service-profile-body,
  .qualification-card {
    padding: 17px;
  }

  .profile-table th,
  .profile-table td {
    display: block;
    width: 100%;
  }

  .profile-table th {
    padding-bottom: 8px;
    border-bottom: 0;
  }

  .profile-table td {
    padding-top: 8px;
  }

  .operator-summary {
    display: block;
    padding: 16px;
  }

  .operator-summary p + p {
    margin-top: 4px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    min-width: 54px;
    min-height: 46px;
    padding: 0 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .service-screen img,
  .back-to-top {
    transition: none;
  }
}