/* ===== Page Hero ===== */
.biz-hero {
  position: relative;
  height: 240px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.biz-hero-bg {
  position: absolute;
  inset: 0;
}
.biz-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
.biz-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0B2F5B 0%, #1a4a7a 100%);
}
.biz-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: url('../images/cta-city.png') bottom center / auto 100% repeat-x;
  opacity: 0.2;
  pointer-events: none;
  z-index: 1;
}
.biz-hero-inner {
  position: relative;
  z-index: 1;
  padding-bottom: 24px;
  color: #fff;
  text-align: left;
  width: 100%;
}
.breadcrumb ol {
  display: flex;
  gap: 6px;
  list-style: none;
  font-size: 0.78rem;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb li { display: flex; align-items: center; gap: 6px; }
.breadcrumb li:not(:last-child)::after { content: '/'; opacity: 0.6; }
.breadcrumb a { color: rgba(255,255,255,0.8); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb li:last-child { opacity: 0.7; }
.biz-hero-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
}
.biz-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.biz-hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.88);
}

/* ===== 3事業ナビカード ===== */
.biz-nav {
  padding: 56px 0;
  background: var(--bg-alt);
}
.biz-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.biz-nav-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  display: flex;
  align-items: center;
  padding: 16px 20px;
  min-height: 58px;
  background: #fff;
  border: 1.5px solid var(--border);
  box-shadow: 0 2px 8px rgba(11,47,91,0.06);
  transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.biz-nav-card--drink { border-color: #c8dff7; }
.biz-nav-card--clean { border-color: #b8ddb9; }
.biz-nav-card--eco   { border-color: #b2d9dc; }
.biz-nav-card--drink:hover { background: #1565C0; border-color: #1565C0; }
.biz-nav-card--clean:hover { background: #2E7D32; border-color: #2E7D32; }
.biz-nav-card--eco:hover   { background: #00838F; border-color: #00838F; }
.biz-nav-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(11,47,91,0.14); }
.biz-nav-card-body {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}
.biz-nav-card h2 {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  transition: color 0.2s;
}
.biz-nav-card--drink h2 { color: #1565C0; }
.biz-nav-card--clean h2 { color: #2E7D32; }
.biz-nav-card--eco   h2 { color: #00838F; }
.biz-nav-card--drink:hover h2,
.biz-nav-card--clean:hover h2,
.biz-nav-card--eco:hover   h2 { color: #fff; }
.biz-nav-card p {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: color 0.2s;
}
.biz-nav-card:hover p { color: rgba(255,255,255,0.8); }
.biz-nav-card-arrow {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s, color 0.2s;
}
.biz-nav-card--drink .biz-nav-card-arrow { color: #1565C0; }
.biz-nav-card--clean .biz-nav-card-arrow { color: #2E7D32; }
.biz-nav-card--eco   .biz-nav-card-arrow { color: #00838F; }
.biz-nav-card:hover .biz-nav-card-arrow { color: #fff; transform: translateX(3px); }
.biz-nav-card-arrow .icon { width: 13px; height: 13px; }

/* ===== サービス一覧インデックス ===== */
.biz-index {
  padding: 32px 0 36px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.biz-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.biz-index-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--border);
  text-decoration: none;
  transition: color 0.15s;
}
.biz-index-title--drink { border-color: var(--blue); }
.biz-index-title--clean { border-color: var(--green); }
.biz-index-title--eco   { border-color: var(--teal); }
.biz-index-title:hover  { color: var(--blue); }
.biz-index-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}
.biz-index-list li a {
  display: block;
  padding: 7px 0;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: color 0.15s, padding-left 0.15s;
}
.biz-index-list li:last-child a { border-bottom: none; }
.biz-index-list li a:hover { color: var(--blue); padding-left: 6px; }

/* ===== 事業セクション共通 ===== */
.biz-section { scroll-margin-top: 80px; }
.biz-section-header {
  padding: 48px 0 36px;
}
.biz-section-header--drink { background: linear-gradient(to bottom, #e8f4fd 0%, transparent 100%); border-top: 3px solid #1565C0; }
.biz-section-header--clean { background: linear-gradient(to bottom, #edf7ea 0%, transparent 100%); border-top: 3px solid #2E7D32; }
.biz-section-header--eco   { background: linear-gradient(to bottom, #e0f4f5 0%, transparent 100%); border-top: 3px solid #00838F; }

.biz-section-label-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.biz-section-icon { display: none; }
.biz-section-en {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.biz-section-header--drink .biz-section-en { color: var(--blue); }
.biz-section-header--clean .biz-section-en { color: var(--green); }
.biz-section-header--eco   .biz-section-en { color: var(--teal); }
.biz-section-title {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  text-align: left;
}
.biz-section-lead {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 600px;
}

/* ===== サービスカード ===== */
.biz-services {
  padding-top: 56px;
  padding-bottom: 72px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.biz-service-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.biz-service-card > * { min-width: 0; }
.biz-service-card--reverse .biz-service-img { order: 2; }
.biz-service-card--reverse .biz-service-body { order: 1; }
.biz-service-img {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.biz-service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.biz-service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.biz-service-icon .icon { width: 24px; height: 24px; }
.biz-service-icon--blue  { background: var(--blue-light); color: var(--blue); }
.biz-service-icon--green { background: #edf7ea; color: var(--green); }
.biz-service-icon--teal  { background: #e6f6f7; color: var(--teal); }
.biz-service-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.3;
}
.biz-service-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}
.biz-service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: gap 0.2s;
}
.biz-service-link:hover { gap: 10px; }
.biz-service-link .icon { width: 16px; height: 16px; }

/* ===== 交互にbg ===== */
.biz-section--drink { background: #fff; }
.biz-section--clean { background: var(--bg-alt); }
.biz-section--eco   { background: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .biz-service-card { grid-template-columns: 1fr; gap: 24px; }
  .biz-service-card--reverse .biz-service-img { order: 0; }
  .biz-service-card--reverse .biz-service-body { order: 0; }
}
@media (max-width: 960px) {
  .biz-nav-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .biz-hero { height: 260px; }
}
@media (max-width: 600px) {
  .biz-nav-grid { grid-template-columns: 1fr; }
  .biz-nav-card { aspect-ratio: unset; }
  .biz-hero { height: 220px; }
  .biz-hero-title { font-size: 1.6rem; }
  .biz-section-header { padding: 40px 0 32px; }
  .biz-index-grid { grid-template-columns: 1fr; gap: 24px; }
}