/* Business-card-inspired hero and requested service refinements */
.air-header .air-brand b {
  font-size: clamp(24px, 2.6vw, 38px);
  line-height: 1.15;
  letter-spacing: .025em;
  white-space: nowrap;
}

.air-hero {
  position: relative;
  background:
    linear-gradient(90deg, rgba(1, 15, 28, .98) 0%, rgba(1, 22, 39, .88) 42%, rgba(1, 25, 43, .18) 82%),
    url(genkai-air-hero.png) center / cover no-repeat;
}

.air-hero h1 { font-size: clamp(42px, 5.3vw, 76px); }
.air-hero h1 span,
.air-hero h1 em { display: block; white-space: nowrap; }
.air-intro h2 { font-size: clamp(34px, 4.2vw, 58px); }
.air-intro h2 span { display: inline-block; white-space: nowrap; }
.air-intro { grid-template-columns: 1.15fr 1fr; }
.equipment-photos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-self: center;
}
.bauer-photo {
  align-self: center;
  margin: 0;
  padding: 24px;
  background: linear-gradient(145deg, #eff8fb, #fff);
  border: 1px solid #c9dce4;
  box-shadow: 0 22px 55px rgba(5, 39, 58, .12);
}
.bauer-photo a { display: block; }
.bauer-photo img { display: block; width: 100%; height: auto; object-fit: contain; }
.mariner-photo img,
.nitrox-photo img { aspect-ratio: 3 / 4; object-fit: cover; object-position: center top; }
.bauer-photo figcaption {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin-top: 13px;
  color: #06324b;
  font: 600 13px Oswald, sans-serif;
  letter-spacing: .08em;
}
.bauer-photo figcaption span { color: #007eaa; font-family: "Noto Sans JP", sans-serif; letter-spacing: 0; }

.tank-gateway { background: #eaf5f8; }
.tank-gateway-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px 60px;
  margin-bottom: 45px;
}
.tank-gateway-head .eyebrow { grid-column: 1 / -1; }
.tank-gateway-head h2 { margin: 0; font-size: clamp(38px, 5vw, 64px); }
.tank-gateway-head p { margin: 0; align-self: end; line-height: 1.9; }
.tank-gateway-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.tank-gateway-grid a {
  padding: 38px;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(135deg, #006d9f, #013653);
  box-shadow: 0 18px 45px rgba(9, 40, 58, .1);
}
.tank-gateway-grid small { color: var(--air-cyan); font: 600 11px Oswald; letter-spacing: .15em; }
.tank-gateway-grid h3 { margin: 18px 0 10px; font-size: 28px; }
.tank-gateway-grid p { color: #cce4eb; line-height: 1.8; }
.tank-gateway-grid b { color: var(--air-cyan); font-size: 13px; }
.air-contact h2 { font-size: clamp(31px, 4vw, 56px); }
.air-contact h2 span { display: block; white-space: nowrap; }

.air-service-grid .commercial-diving { grid-column: 1 / -1; min-height: 0; }
.commercial-diving .work-lead { max-width: 900px; }
.commercial-diving ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
  padding: 0;
  list-style: none;
}
.commercial-diving li {
  padding: 19px 20px;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .045);
}
.commercial-diving li strong,
.commercial-diving li span { display: block; }
.commercial-diving li strong { color: #fff; font-size: 17px; }
.commercial-diving li span { margin-top: 8px; color: #bad3dd; line-height: 1.7; }
.commercial-diving .work-credit {
  margin: 0;
  padding: 20px 22px;
  color: #fff;
  border-left: 4px solid var(--air-cyan);
  background: rgba(55, 229, 242, .1);
  font-weight: 700;
}


@media (max-width: 800px) {
  .air-intro { grid-template-columns: 1fr; }
  .equipment-photos { grid-template-columns: 1fr; }
  .tank-gateway-head { grid-template-columns: 1fr; }
  .tank-gateway-head .eyebrow { grid-column: auto; }
}

@media (max-width: 560px) {
  .air-header .air-brand b { font-size: clamp(17px, 5.35vw, 24px); }
  .air-hero h1 { font-size: clamp(25px, 8vw, 42px); }
  .air-intro h2 { font-size: clamp(25px, 8vw, 38px); }
  .air-contact h2 { font-size: clamp(24px, 7.4vw, 34px); }
  .tank-gateway-grid { grid-template-columns: 1fr; }
  .commercial-diving ul { grid-template-columns: 1fr; }
}
.air-line-qr{display:grid;grid-template-columns:150px 1fr;align-items:center;gap:24px;margin-bottom:10px;padding:20px;background:#fff;color:#09283a}.air-line-qr img{display:block;width:150px;height:150px;object-fit:cover}.air-line-qr small{display:block;color:#0085a8;font:600 11px Oswald;letter-spacing:.17em}.air-line-qr b{display:block;margin-top:7px;font-size:22px}.air-line-qr span{display:block;margin-top:8px;color:#496675;font-size:14px;line-height:1.7}@media(max-width:560px){.air-line-qr{grid-template-columns:120px 1fr;gap:17px;padding:16px}.air-line-qr img{width:120px;height:120px}.air-line-qr b{font-size:18px}}