*{margin:0;padding:0;box-sizing:border-box}
:root{
  --navy:#0a1628;
  --blue:#16213e;
  --blue-dark:#0f1a30;
  --orange:#f5a623;
  --orange-hover:#d97706;
  --yellow:#ffe14d;
  --white:#ffffff;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-400:#94a3b8;
  --gray-600:#475569;
  --gray-800:#1e293b;
  --gray-900:#0f172a;
  --radius:16px;
  --shadow:0 4px 24px rgba(0,0,0,.06);
  --shadow-lg:0 12px 48px rgba(0,0,0,.1);
}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;color:var(--gray-800);line-height:1.8;overflow-x:hidden;background:var(--white)}

/* NAV - full width like AIR Design */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--navy);padding:0 48px;display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-inner{max-width:1200px;width:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.nav-logo{height:40px}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:rgba(255,255,255,.7);text-decoration:none;font-size:14px;font-weight:500;transition:color .3s}
.nav-links a:hover{color:#fff}
.nav-cta{background:var(--orange);color:var(--white);padding:10px 24px;border-radius:6px;text-decoration:none;font-weight:700;font-size:14px;transition:all .3s;white-space:nowrap}
.nav-cta:hover{background:var(--orange-hover)}
.nav-cta-outline{color:rgba(255,255,255,.8);text-decoration:none;font-size:14px;font-weight:500}

/* HERO - 1 Column Premium Layout */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-dark);
  color: var(--white);
  padding: 160px 0 120px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('hero_bg.png') center/cover no-repeat;
  background-attachment: fixed;
  opacity: 0.15;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.3) 0%, rgba(15, 23, 42, 0.95) 75%), 
              linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(22, 33, 62, 0.95) 100%);
  z-index: 1;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.12) 0%, rgba(22, 33, 62, 0) 70%);
  z-index: 1;
  pointer-events: none;
  filter: blur(40px);
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 0 48px;
  position: relative;
  z-index: 2;
}

.hero-text {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* プレミアムバッジ */
.hero-badge {
  display: inline-block;
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.4);
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 24px;
  letter-spacing: 2px;
  box-shadow: 0 4px 12px rgba(245,166,35,0.05);
  animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
  0% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

.hero-copy {
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
.hero-copy em {
  font-style: normal;
  color: var(--yellow);
  background: linear-gradient(to right, #ffe14d, #f5a623);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
}
.hero-copy em::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, #ffe14d, #f5a623);
  border-radius: 2px;
  opacity: 0.8;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 19px);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 48px;
  line-height: 2;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-btns {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* プレミアムCTAボタン */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-hover) 100%);
  color: var(--white);
  padding: 18px 48px;
  border-radius: 50px;
  font-size: 17px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 8px 30px rgba(245, 166, 35, 0.45);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.5px;
}
.btn-cta:hover {
  background: linear-gradient(135deg, var(--orange-hover) 0%, #b45309 100%);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(245, 166, 35, 0.65);
}
.btn-cta::after {
  content: '→';
  font-size: 20px;
  transition: transform 0.3s;
}
.btn-cta:hover::after {
  transform: translateX(4px);
}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:16px 40px;border-radius:8px;font-size:15px;font-weight:600;text-decoration:none;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.3);transition:all .3s;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.1);color:var(--white);border-color:rgba(255,255,255,.5)}
.btn-outline-white{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-size:15px;font-weight:600;text-decoration:none;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.3);transition:all .3s;background:transparent}
.btn-outline-white:hover{background:rgba(255,255,255,.1);color:var(--white);border-color:rgba(255,255,255,.5)}
.hero-btns{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.mid-cta-btns{display:flex;gap:16px;align-items:center;justify-content:center;flex-wrap:wrap}
.footer-cta-btns{display:flex;gap:20px;align-items:center;justify-content:center;flex-wrap:wrap;margin-bottom:8px}

/* SECTIONS - full width bg, contained content */
section{padding:100px 48px}
.section-navy{background:var(--navy);color:var(--white)}
.section-light{background:var(--gray-50)}
.section-white{background:var(--white)}
.section-blue{background:var(--blue);color:var(--white)}
.container{max-width:1100px;margin:0 auto}
.section-label{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:4px;text-transform:uppercase;margin-bottom:16px}
.section-navy .section-label,.section-blue .section-label{color:var(--yellow)}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:900;line-height:1.4;margin-bottom:20px;letter-spacing:-.01em}
.section-navy .section-title,.section-blue .section-title{color:var(--white)}
.section-desc{font-size:17px;color:var(--gray-600);line-height:1.9;margin-bottom:48px;max-width:700px}
.section-navy .section-desc{color:rgba(255,255,255,.6)}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}

/* PROBLEM */
.problem-eyecatch{text-align:center;margin-bottom:48px;overflow:visible}
.problem-eyecatch img{max-width:100%;width:720px;height:auto}
.problem-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.problem-card{background:var(--white);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow);border:1px solid var(--gray-200);transition:all .3s;position:relative;overflow:hidden}
.problem-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.problem-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--blue)}
.problem-card .icon{font-size:28px;margin-bottom:12px}
.problem-card h3{font-size:19px;font-weight:800;margin-bottom:10px;color:var(--gray-900)}
.problem-card p{font-size:15px;color:var(--gray-600);line-height:1.8}

/* WHY */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:40px}
.why-card{border-radius:var(--radius);padding:40px;transition:transform .3s}
.why-card:hover{transform:translateY(-4px)}
.why-card.bad{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.2)}
.why-card.good{background:rgba(245,166,35,.08);border:1px solid rgba(245,166,35,.2)}
.why-card h3{font-size:20px;font-weight:800;margin-bottom:16px}
.why-card.bad h3{color:#ef4444}
.why-card.good h3{color:var(--orange)}
.why-card p{font-size:16px;color:rgba(255,255,255,.75);line-height:1.9}
.why-bottom{text-align:center;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:32px}
.why-bottom p{font-size:22px;font-weight:800;color:var(--white)}
.why-bottom em{font-style:normal;color:var(--yellow)}

/* SOLUTION */
.solution-intro{text-align:center;margin-bottom:40px}
.solution-intro .big{font-size:clamp(24px,3.5vw,36px);font-weight:900;line-height:1.5;margin-bottom:24px;color:var(--gray-900)}
.solution-intro .big em{font-style:normal;color:var(--blue)}
.solution-intro .desc{font-size:17px;color:var(--gray-600);line-height:1.9;max-width:700px;margin:0 auto}
.target-industries{text-align:center;margin-bottom:64px}
.target-label{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:2px;margin-bottom:16px}
.industry-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.industry-tags span{display:inline-block;padding:8px 20px;border-radius:24px;font-size:14px;font-weight:600;color:var(--blue);background:rgba(22,33,62,.06);border:1px solid rgba(22,33,62,.12);transition:all .3s}
.industry-tags span:hover{background:var(--blue);color:var(--white)}
.set-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.set-card{background:var(--white);border-radius:var(--radius);padding:40px 32px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--gray-200);transition:all .3s}
.set-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.set-card .num-badge{width:48px;height:48px;border-radius:50%;background:var(--blue);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:18px;margin:0 auto 20px}
.set-card h3{font-size:18px;font-weight:800;margin-bottom:14px;color:var(--gray-900)}
.set-card p{font-size:14px;color:var(--gray-600);line-height:1.8}

/* MID CTA */
.mid-cta{background:var(--navy);text-align:center;padding:80px 48px;color:var(--white)}
.mid-cta p{font-size:22px;font-weight:700;margin-bottom:32px}

.mid-cta-light {
  background: var(--gray-50);
  padding: 100px 48px;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}
.mid-cta-light-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}
.mid-cta-light-text {
  text-align: left;
}
.mid-cta-badge {
  display: inline-block;
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.4);
  color: var(--orange);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.mid-cta-light-text h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 900;
  line-height: 1.4;
  color: var(--blue-dark);
  margin-bottom: 16px;
}
.mid-cta-light-text p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 32px;
}
.mid-cta-light-text .mid-cta-btns {
  justify-content: flex-start;
}

.mid-cta-light-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.mid-cta-light-visual img {
  max-width: 100%;
  width: 480px;
  height: auto;
  transform: perspective(1000px) rotateY(-15deg) rotateX(10deg) rotateZ(2deg);
  filter: drop-shadow(0 25px 50px rgba(10, 22, 40, 0.15));
  transition: all 0.5s ease;
}
.mid-cta-light-visual:hover img {
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) rotateZ(0deg) translateY(-8px);
  filter: drop-shadow(0 35px 60px rgba(10, 22, 40, 0.25));
}

/* FLOW */
.flow-steps{display:flex;gap:12px;justify-content:center;align-items:stretch}
.flow-step{flex:1;max-width:200px;text-align:center;position:relative;padding:32px 16px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--gray-200);transition:all .3s}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.flow-step .circle{width:52px;height:52px;border-radius:50%;background:var(--blue);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;margin:0 auto 16px}
.flow-step h3{font-size:14px;font-weight:800;margin-bottom:8px;color:var(--gray-900)}
.flow-step p{font-size:12px;color:var(--gray-400);line-height:1.7}
.flow-arrow{position:absolute;right:-16px;top:50%;transform:translateY(-50%);font-size:16px;color:var(--blue);z-index:1}

/* RESULTS */
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.result-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:36px;transition:all .3s}
.result-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.07)}
.result-card .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--yellow);background:rgba(255,225,77,.1);padding:4px 14px;border-radius:20px;margin-bottom:16px}
.result-card h3{font-size:17px;font-weight:800;color:var(--white);margin-bottom:20px;line-height:1.5}
.result-table{width:100%;border-collapse:collapse}
.result-table td{padding:10px 0;font-size:14px;color:rgba(255,255,255,.6);border-bottom:1px solid rgba(255,255,255,.06)}
.result-table td:last-child{text-align:right;font-weight:700;color:var(--white)}
.result-table tr:last-child td{border-bottom:none;color:var(--yellow);font-size:17px;font-weight:900}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--gray-200);padding:28px 0}
.faq-q{font-size:17px;font-weight:700;color:var(--gray-900);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:color .3s}
.faq-q:hover{color:var(--blue)}
.faq-q::after{content:'＋';font-size:20px;color:var(--blue);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{font-size:15px;color:var(--gray-600);line-height:1.9;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.faq-item.open .faq-a{max-height:200px;padding-top:16px}

/* FOOTER CTA */
.footer-cta{background:var(--blue);color:var(--white);text-align:center;padding:120px 48px}
.footer-cta h2{font-size:clamp(28px,4vw,48px);font-weight:900;margin-bottom:20px;line-height:1.4}
.footer-cta .desc{font-size:18px;color:rgba(255,255,255,.75);margin-bottom:48px;line-height:1.9}
.footer-cta .cta-box{margin-top:40px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);padding:24px 40px;display:inline-block}
.footer-cta .cta-box p{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:4px}

/* FOOTER */
.footer{background:var(--navy);color:rgba(255,255,255,.4);padding:48px 48px 32px;font-size:13px}
.footer-inner{max-width:1100px;margin:0 auto;text-align:center}
.footer-company{margin-bottom:20px}
.footer-corp{font-size:13px;color:rgba(255,255,255,.5)}
.footer-links{display:flex;gap:24px;justify-content:center;margin-bottom:24px}
.footer-links a{color:rgba(255,255,255,.5);text-decoration:none;font-size:13px;transition:color .3s}
.footer-links a:hover{color:rgba(255,255,255,.8)}
.footer-copy{font-size:12px;color:rgba(255,255,255,.3)}

/* RESPONSIVE */
@media(max-width:768px){
  section{padding:80px 20px}
  .nav{padding:0 20px;height:60px}
  .nav-logo{height:32px}
  .nav-links{display:none}
  .hero{padding:100px 20px 60px}
  .hero::before{background-attachment:scroll;background-position:center center}
  .hero-inner{grid-template-columns:1fr;padding:0 20px}
  .hero-visual{display:none}
  .problem-grid,.why-grid,.set-grid,.result-grid{grid-template-columns:1fr}
  .flow-steps{flex-direction:column;align-items:center}
  .flow-arrow{display:none}
  .flow-step{max-width:100%;width:100%}
  .mid-cta, .mid-cta-light{padding:60px 20px}
  .mid-cta-light-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .mid-cta-light-text {
    text-align: center;
  }
  .mid-cta-light-text h2 {
    font-size: 24px;
  }
  .mid-cta-light-text .mid-cta-btns {
    justify-content: center;
  }
  .mid-cta-light-visual img {
    width: 320px;
    transform: none !important;
    filter: drop-shadow(0 15px 30px rgba(10, 22, 40, 0.12));
  }
  .footer-cta{padding:80px 20px}
}

/* ==========================================
   FLOATING CTA & SP HEADER BUTTON (AIR Design style)
   ========================================== */

/* HEADER SP CTA */
.nav-sp-cta {
  display: none;
}



/* RESPONSIVE FOR FLOATING CTA */
@media(max-width:768px){

  
  /* Show Header SP CTA */
  .nav-sp-cta {
    display: block;
    background: var(--orange);
    color: var(--white);
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
    font-size: 12px;
    transition: background 0.3s;
    box-shadow: 0 2px 8px rgba(245, 166, 35, 0.2);
  }
  .nav-sp-cta:hover {
    background: var(--orange-hover);
  }
  

}