:root{
  --w-primary:#06C755;
  --w-primary-dark:#05A044;
  --w-text:#333333;
  --w-text-light:#666666;
  --w-bg:#FFFFFF;
  --w-bg-alt:#F9F9F9;
  --w-border:#EAEAEA;
  --w-radius:8px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;background-color:var(--w-bg);color:var(--w-text);line-height:1.7;font-size:16px;letter-spacing:0.02em}
a{text-decoration:none;color:inherit;transition:all 0.2s ease-in-out}
ul,li{list-style:none}
img{max-width:100%;height:auto;display:block}

/* Header - Simple & Clean */
.header{background:var(--w-bg);border-bottom:1px solid var(--w-border);position:sticky;top:0;z-index:100}
.header-inner{max-width:1000px;margin:0 auto;padding:16px 20px;display:flex;justify-content:space-between;align-items:center}
.site-logo{font-size:22px;font-weight:700;color:var(--w-primary);letter-spacing:1px}
.nav-menu{display:flex;gap:24px;overflow-x:auto}
.nav-menu a{font-size:14px;font-weight:500;color:var(--w-text);white-space:nowrap}
.nav-menu a:hover, .nav-menu a.active{color:var(--w-primary)}

/* Hero Section */
.hero{background-color:var(--w-bg-alt);padding:80px 20px;text-align:center;border-bottom:1px solid var(--w-border)}
.hero-inner{max-width:800px;margin:0 auto}
.hero-tag{display:inline-block;background:var(--w-bg);border:1px solid var(--w-border);padding:6px 16px;border-radius:20px;font-size:13px;color:var(--w-text-light);margin-bottom:24px}
.hero-title{font-size:36px;font-weight:700;margin-bottom:24px;color:var(--w-text);line-height:1.4}
.hero-desc{font-size:16px;color:var(--w-text-light);margin-bottom:40px;line-height:1.8}
.btn-dl{display:inline-block;background:var(--w-primary);color:#FFFFFF;padding:18px 48px;border-radius:40px;font-size:18px;font-weight:700;box-shadow:0 4px 12px rgba(6,199,85,0.2)}
.btn-dl:hover{background:var(--w-primary-dark);transform:translateY(-2px);box-shadow:0 6px 16px rgba(6,199,85,0.3)}

/* Announcement */
.announce-wrap{max-width:1000px;margin:0 auto;padding:40px 20px 0}
.announce{background:var(--w-bg);border:1px solid var(--w-border);padding:16px 24px;border-radius:var(--w-radius);display:flex;gap:20px;align-items:center}
.ann-date{font-size:14px;font-weight:700;color:var(--w-primary)}
.ann-text{font-size:14px;color:var(--w-text)}

/* Main Container */
.container{max-width:1000px;margin:60px auto;padding:0 20px}
.sec-title{text-align:center;font-size:24px;font-weight:700;margin-bottom:40px;color:var(--w-text)}

/* Grid Cards (Categories) */
.category-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));gap:24px;margin-bottom:80px}
.cat-card{display:block;background:var(--w-bg);border:1px solid var(--w-border);padding:24px;border-radius:var(--w-radius);transition:0.3s}
.cat-card:hover{border-color:var(--w-primary);box-shadow:0 4px 12px rgba(0,0,0,0.04)}
.cat-badge{font-size:12px;color:var(--w-primary);background:rgba(6,199,85,0.08);padding:4px 8px;border-radius:4px;margin-bottom:12px;display:inline-block;font-weight:700}
.cat-card h3{font-size:18px;font-weight:700;margin-bottom:12px;color:var(--w-text)}
.cat-card p{font-size:13px;color:var(--w-text-light);line-height:1.6}

/* Feature Content (Left Text, Right Image) */
.feature-box{display:flex;align-items:center;gap:40px;margin-bottom:80px;background:var(--w-bg-alt);border-radius:var(--w-radius);padding:40px;border:1px solid var(--w-border)}
.feat-text{flex:1}
.feat-text h2{font-size:24px;font-weight:700;margin-bottom:20px}
.feat-text p{font-size:15px;color:var(--w-text-light);margin-bottom:16px}
.feat-img{flex:1}
.feat-img img{border-radius:6px;border:1px solid var(--w-border)}

/* Columns List */
.col-list{display:grid;grid-template-columns:repeat(3, 1fr);gap:24px;margin-bottom:80px}
.col-item{background:var(--w-bg);border:1px solid var(--w-border);border-radius:var(--w-radius);overflow:hidden}
.col-item img{width:100%;height:160px;object-fit:cover;border-bottom:1px solid var(--w-border)}
.col-text{padding:20px}
.col-text h4{font-size:16px;font-weight:700;margin-bottom:12px}
.col-text p{font-size:13px;color:var(--w-text-light)}

/* Support Area */
.support-area{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:60px}
.support-card{background:var(--w-bg);border:1px solid var(--w-border);padding:40px;border-radius:var(--w-radius);text-align:center}
.support-card h3{font-size:20px;font-weight:700;margin-bottom:16px}
.support-card p{font-size:14px;color:var(--w-text-light);margin-bottom:24px}
.btn-outline{display:inline-block;padding:12px 32px;border:1px solid var(--w-border);border-radius:30px;font-size:14px;font-weight:700;color:var(--w-text)}
.btn-outline:hover{background:var(--w-bg-alt);border-color:var(--w-text)}

/* Footer */
.footer{background:var(--w-bg);border-top:1px solid var(--w-border);padding:60px 20px;text-align:center}
.foot-nav{display:flex;justify-content:center;gap:30px;margin-bottom:30px;flex-wrap:wrap}
.foot-nav a{font-size:14px;color:var(--w-text);font-weight:500}
.foot-sub{display:flex;justify-content:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.foot-sub a{font-size:13px;color:var(--w-text-light)}
.copyright{font-size:13px;color:var(--w-text-light)}

@media(max-width:768px){
  .feature-box, .col-list, .support-area{flex-direction:column;grid-template-columns:1fr}
  .hero{padding:50px 20px}
  .hero-title{font-size:28px}
  .btn-dl{width:100%}
  .nav-menu{display:none} /* Clean layout on mobile */
}

img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}