:root{
  --focus-green:#00C300;
  --focus-green-dark:#009E00;
  --focus-black:#111111;
  --focus-gray-dark:#333333;
  --focus-gray:#666666;
  --focus-bg:#F2F4F7;
  --focus-card:#FFFFFF;
  --focus-border:#E5E8EB;
  --shadow-center:0 20px 50px rgba(0,195,0,0.3);
  --shadow-card:0 4px 12px rgba(0,0,0,0.05);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;background:var(--focus-bg);color:var(--focus-black);line-height:1.6;font-size:15px}
a{text-decoration:none;color:inherit;transition:all 0.3s ease-out}
img{max-width:100%;height:auto;display:block;border-radius:12px}

/* Minimal Header */
.site-header{background:var(--focus-card);border-bottom:1px solid var(--focus-border);position:sticky;top:0;z-index:100}
.header-inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}
.site-logo{font-size:24px;font-weight:900;color:var(--focus-black);display:flex;align-items:center;gap:10px;letter-spacing:-0.5px}
.site-logo::before{content:"";display:block;width:28px;height:28px;background:var(--focus-green);border-radius:8px}
.main-nav{display:flex;gap:24px;overflow-x:auto}
.main-nav a{font-weight:700;font-size:14px;color:var(--focus-gray);padding:8px 0;position:relative}
.main-nav a:hover, .main-nav a.active{color:var(--focus-black)}
.main-nav a.active::after{content:"";position:absolute;bottom:-17px;left:0;width:100%;height:3px;background:var(--focus-black)}

/* Central Focus Hero */
.hero{background:var(--focus-card);padding:100px 24px 120px;text-align:center;border-bottom:1px solid var(--focus-border);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at center, rgba(0,195,0,0.03) 0%, transparent 70%);z-index:1}
.hero-inner{max-width:800px;margin:0 auto;position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}
.hero-badge{display:inline-block;padding:6px 20px;background:rgba(0,195,0,0.1);color:var(--focus-green-dark);border-radius:30px;font-size:13px;font-weight:800;margin-bottom:24px;letter-spacing:1px}
.hero-title{font-size:clamp(36px, 5vw, 56px);font-weight:900;line-height:1.2;margin-bottom:24px;color:var(--focus-black);letter-spacing:-1px}
.hero-desc{font-size:18px;color:var(--focus-gray-dark);margin-bottom:50px;line-height:1.6}

/* The Central Install Button */
.btn-install-center{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--focus-green);
  color:#FFFFFF;
  font-size:24px;
  font-weight:900;
  padding:24px 80px;
  border-radius:50px;
  box-shadow:var(--shadow-center);
  border:none;
  cursor:pointer;
  margin-bottom:24px;
  transition:all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.btn-install-center:hover{
  background:var(--focus-green-dark);
  transform:scale(1.05);
  box-shadow:0 25px 60px rgba(0,195,0,0.4);
  color:#FFF;
}
.sub-link{
  display:inline-block;
  color:var(--focus-gray);
  font-size:15px;
  font-weight:600;
  text-decoration:underline;
  margin-top:12px;
}
.sub-link:hover{color:var(--focus-black)}

/* Visual below button */
.hero-visual{margin-top:60px;width:100%;max-width:900px;position:relative;z-index:2}
.hero-visual img{border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,0.1);border:1px solid var(--focus-border)}

/* Announcement Bar */
.ann-area{max-width:900px;margin:-30px auto 60px;padding:0 24px;position:relative;z-index:10}
.ann-card{background:var(--focus-card);border-radius:12px;padding:20px 24px;display:flex;align-items:center;gap:20px;box-shadow:var(--shadow-card);border:1px solid var(--focus-border)}
.ann-tag{background:var(--focus-black);color:#fff;font-size:12px;font-weight:800;padding:4px 12px;border-radius:4px}
.ann-date{font-size:14px;color:var(--focus-gray);font-weight:600}
.ann-title{font-size:15px;font-weight:700;color:var(--focus-black);flex:1}

/* Main Container */
.container{max-width:1100px;margin:0 auto 80px;padding:0 24px}
.sec-title{text-align:center;margin-bottom:48px}
.sec-title h2{font-size:28px;font-weight:900;margin-bottom:12px;color:var(--focus-black)}
.sec-title p{font-size:15px;color:var(--focus-gray)}

/* Grid Categories */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:80px}
.cat-card{background:var(--focus-card);border:1px solid var(--focus-border);padding:32px 24px;border-radius:16px;text-align:center;transition:0.3s}
.cat-card:hover{box-shadow:var(--shadow-card);border-color:var(--focus-green);transform:translateY(-4px)}
.cat-card h3{font-size:18px;font-weight:800;margin-bottom:12px;color:var(--focus-black)}
.cat-card p{font-size:14px;color:var(--focus-gray);margin:0}
.cat-label{display:inline-block;font-size:11px;font-weight:800;color:#FFF;background:var(--focus-gray-dark);padding:4px 12px;border-radius:12px;margin-bottom:16px}

/* Article Section */
.article-sec{background:var(--focus-card);border:1px solid var(--focus-border);border-radius:24px;padding:60px;display:flex;flex-wrap:wrap;gap:60px;align-items:center;margin-bottom:80px}
.art-text{flex:1;min-width:300px}
.art-text h3{font-size:26px;font-weight:900;margin-bottom:24px;line-height:1.4}
.art-text p{font-size:15px;color:var(--focus-gray-dark);margin-bottom:16px;line-height:1.8}
.art-img{flex:1;min-width:300px}
.art-img img{border:1px solid var(--focus-border);box-shadow:var(--shadow-card)}

/* Columns */
.col-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;margin-bottom:80px}
.col-card{background:var(--focus-card);border-radius:16px;border:1px solid var(--focus-border);overflow:hidden;transition:0.3s}
.col-card:hover{box-shadow:var(--shadow-card)}
.col-card img{width:100%;height:190px;object-fit:cover;border-bottom:1px solid var(--focus-border)}
.col-body{padding:24px}
.col-body h4{font-size:18px;font-weight:800;margin-bottom:12px}
.col-body p{font-size:14px;color:var(--focus-gray)}

/* Help & Official Links Area */
.support-area{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:80px}
.sup-box{flex:1;min-width:300px;background:#F8FAFC;border-radius:16px;padding:48px 32px;text-align:center;border:1px solid var(--focus-border)}
.sup-box h3{font-size:20px;font-weight:900;color:var(--focus-black);margin-bottom:16px}
.sup-box p{font-size:14px;color:var(--focus-gray);margin-bottom:24px}
.btn-outline{display:inline-block;padding:12px 32px;background:#fff;border:2px solid var(--focus-black);color:var(--focus-black);border-radius:30px;font-weight:800;font-size:14px}
.btn-outline:hover{background:var(--focus-black);color:#fff}
.official-box{flex:1;min-width:300px;background:var(--focus-black);border-radius:16px;padding:48px 32px;text-align:center;color:#fff}
.official-box h3{font-size:20px;font-weight:900;margin-bottom:16px}
.official-box p{font-size:14px;color:#A0AAB5;margin-bottom:24px}
.btn-white{display:inline-block;padding:12px 32px;background:#fff;color:var(--focus-black);border-radius:30px;font-weight:800;font-size:14px}
.btn-white:hover{background:#E0E0E0}

/* Footer */
.site-footer{background:var(--focus-card);border-top:1px solid var(--focus-border);padding:60px 24px 40px}
.foot-inner{max-width:1100px;margin:0 auto}
.foot-nav{display:flex;gap:32px;flex-wrap:wrap;margin-bottom:40px}
.foot-nav a{font-weight:700;font-size:14px;color:var(--focus-gray-dark)}
.foot-nav a:hover{color:var(--focus-green)}
.foot-bottom{border-top:1px solid var(--focus-border);padding-top:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.foot-links a{color:var(--focus-gray);font-size:13px}
.foot-links a:hover{color:var(--focus-black)}
.copy{color:var(--focus-gray);font-size:13px}

@media(max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start}
  .main-nav{width:100%;padding-top:16px;gap:16px}
  .hero{padding:60px 24px 100px}
  .btn-install-center{width:100%;font-size:20px;padding:20px 0}
  .ann-area{margin-top:-20px}
  .ann-card{flex-direction:column;align-items:flex-start;gap:12px}
  .article-sec{padding:32px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}