/* ============================================================
   hero.css — ファーストビュー（ヒーローセクション）
   ============================================================ */

.hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:100svh;
  min-height:100dvh;
  padding:clamp(88px, 8vh, 128px) 24px clamp(96px, 10vh, 144px);
  background:
    linear-gradient(120deg, rgba(124,108,240,0.82) 0%, rgba(79,139,242,0.78) 50%, rgba(54,180,232,0.8) 100%),
    url("../assets/hero.jpg") center/cover no-repeat;
  background-color:#2f5f7d;
  overflow:hidden;
  color:#fff;
}

.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:repeating-linear-gradient(45deg, rgba(255,255,255,0.12) 0, rgba(255,255,255,0.12) 2px, transparent 2px, transparent 18px);
  -webkit-mask-image:linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  mask-image:linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
  pointer-events:none;
}

.hero-inner{
  width:100%;
  max-width:1100px;
  margin:0 auto;
  position:relative;
  z-index:2;
  padding-top:clamp(24px, 4vh, 40px);
}

.hero-eyebrow{
  font-size:18px; font-weight:700; letter-spacing:0.08em;
  color:rgba(255,255,255,0.92);
  margin-bottom:24px;
}

.hero-title{
  font-size:clamp(56px, 7vw, 114px);
  font-weight:900;
  letter-spacing:0.01em;
  line-height:1.05;
  margin-bottom:30px;
  text-shadow:0 10px 28px rgba(12,27,58,0.45);
}

.hero-title--accent {
  font-family: 'Anton', sans-serif;
}

.hero-sub{
  font-size:clamp(21px, 2vw, 29px);
  font-weight:500;
  color:rgba(255,255,255,0.95);
  margin-bottom:48px;
}
.hero-sub strong{font-weight:800;}

.btn-hero{
  display:inline-flex; align-items:center; gap:10px;
  background:#fff; color:var(--blue);
  font-weight:800; font-size:18px;
  padding:22px 40px;
  border-radius:999px;
  box-shadow:0 10px 28px rgba(12,27,58,0.25);
  transition:transform 0.25s ease, box-shadow 0.25s ease;
}
.btn-hero:hover{transform:translateY(-3px) scale(1.02); box-shadow:0 16px 34px rgba(12,27,58,0.3);}

.hero-photo-tag{
  position:absolute; right:30px; bottom:18px;
  font-size:14px; color:rgba(255,255,255,0.8);
  z-index:2;
}

@media(max-width:880px){
  .hero{padding:72px 20px 100px;}
}

@media(max-width:600px){
  .hero{
    align-items:flex-start;
    padding:72px 20px 112px;
  }

  .hero-inner{padding-top:12px;}

  .hero-photo-tag{
    position:static;
    margin-top:24px;
  }
}