/* Saisho Giken custom top page */

:root{
  --sg-navy:#0F172A;
  --sg-navy2:#111827;
  --sg-cyan:#06B6D4;
  --sg-text:#1E293B;
  --sg-muted:#64748B;
  --sg-bg:#FFFFFF;
  --sg-sub:#F8FAFC;
  --sg-border:#E2E8F0;
}

.sg-site{
  color:var(--sg-text);
  font-family:"Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.sg-container{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

.sg-hero{
  min-height:760px;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  background-color:var(--sg-navy);
  color:#fff;
  position:relative;
  overflow:hidden;
}

.sg-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(15,23,42,.92), rgba(15,23,42,.62), rgba(15,23,42,.2));
}

.sg-hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}

.sg-eyebrow{
  color:var(--sg-cyan);
  font-size:13px;
  letter-spacing:.18em;
  font-weight:700;
  margin-bottom:18px;
}

.sg-hero h1{
  font-size:56px;
  line-height:1.25;
  letter-spacing:.02em;
  margin:0;
}

.sg-lead{
  font-size:18px;
  line-height:2;
  margin:28px 0 0;
  color:#DCEAF2;
}

.sg-buttons{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:34px;
}

.sg-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:150px;
  padding:14px 24px;
  border:1px solid var(--sg-cyan);
  background:var(--sg-cyan);
  color:#07111E !important;
  text-decoration:none;
  font-weight:700;
  border-radius:2px;
}

.sg-button-outline{
  background:transparent;
  color:#fff !important;
}

.sg-hero-visual img,
.sg-image-card img{
  width:100%;
  height:auto;
  display:block;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 30px 80px rgba(0,0,0,.25);
}

.sg-section{
  padding:110px 0;
  background:#fff;
}

.sg-section-sub{
  background:var(--sg-sub);
}

.sg-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}

.sg-section h2,
.sg-contact h2{
  font-size:38px;
  line-height:1.45;
  margin:0 0 26px;
  color:var(--sg-navy);
}

.sg-section p,
.sg-contact p{
  font-size:16px;
  line-height:2.1;
  color:var(--sg-muted);
}

.sg-center-title{
  text-align:center;
  margin-bottom:44px !important;
}

.sg-card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}

.sg-card{
  background:#fff;
  border:1px solid var(--sg-border);
  padding:36px;
  min-height:260px;
}

.sg-card h3{
  font-size:22px;
  margin:18px 0 14px;
  color:var(--sg-navy);
}

.sg-icon{
  color:var(--sg-cyan);
  font-weight:800;
  letter-spacing:.1em;
}

.sg-list{
  margin:24px 0 0;
  padding:0;
  list-style:none;
}

.sg-list li{
  border-bottom:1px solid var(--sg-border);
  padding:14px 0;
  color:var(--sg-navy);
  font-weight:700;
}

.sg-contact{
  padding:100px 0;
  background:var(--sg-navy);
  color:#fff;
  text-align:center;
}

.sg-contact h2{
  color:#fff;
}

.sg-contact p{
  color:#DCEAF2;
}

.sg-mail a{
  color:var(--sg-cyan);
  font-size:22px;
  font-weight:700;
  text-decoration:none;
}

@media(max-width:900px){
  .sg-hero{
    min-height:auto;
    padding:90px 0;
  }

  .sg-hero-grid,
  .sg-grid,
  .sg-card-grid{
    grid-template-columns:1fr;
  }

  .sg-hero h1{
    font-size:38px;
  }

  .sg-section h2,
  .sg-contact h2{
    font-size:30px;
  }

  .sg-section{
    padding:76px 0;
  }
}
