:root{
  --soft-green:#21B463;
  --soft-green-hover:#1E9A53;
  --soft-green-light:#E8F7EE;
  --soft-blue-light:#F0F6FB;
  --soft-text-main:#4A4A4A;
  --soft-text-muted:#888888;
  --soft-bg:#FCFCFD;
  --soft-card:#FFFFFF;
  --soft-border:#EBEBEB;
  --shadow-float:0 10px 30px rgba(0,0,0,0.06);
  --shadow-card:0 4px 15px rgba(0,0,0,0.03);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Nunito Sans","M PLUS Rounded 1c","Hiragino Maru Gothic ProN",Meiryo,sans-serif;background:var(--soft-bg);color:var(--soft-text-main);line-height:1.8;font-size:15px;letter-spacing:0.02em}
a{text-decoration:none;color:inherit;transition:all 0.3s ease}
img{max-width:100%;height:auto;display:block;border-radius:16px}

/* Soft Header */
.site-header{background:rgba(255,255,255,0.95);border-bottom:1px solid var(--soft-border);position:sticky;top:0;z-index:100}
.header-inner{max-width:1100px;margin:0 auto;padding:12px 24px;display:flex;justify-content:space-between;align-items:center}
.site-logo{font-size:22px;font-weight:800;color:var(--soft-text-main);display:flex;align-items:center;gap:10px}
.site-logo::before{content:"";display:block;width:28px;height:28px;background:var(--soft-green);border-radius:50%}
.main-nav{display:flex;gap:24px;overflow-x:auto}
.main-nav a{font-weight:700;font-size:14px;color:var(--soft-text-muted);padding:8px 12px;border-radius:20px}
.main-nav a:hover, .main-nav a.active{background:var(--soft-green-light);color:var(--soft-green)}

/* Gentle Hero Section */
.hero{background:var(--soft-card);padding:60px 24px 80px;border-bottom:1px solid var(--soft-border);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50px;right:-50px;width:300px;height:300px;background:var(--soft-green-light);border-radius:50%;z-index:0;opacity:0.6}
.hero::after{content:"";position:absolute;bottom:-50px;left:-50px;width:200px;height:200px;background:var(--soft-blue-light);border-radius:50%;z-index:0;opacity:0.6}
.hero-inner{max-width:1000px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:50px;position:relative;z-index:1}
.hero-text{flex:1;min-width:320px}
.hero-badge{display:inline-block;padding:6px 16px;background:var(--soft-green-light);color:var(--soft-green);border-radius:30px;font-size:12px;font-weight:800;margin-bottom:20px;box-shadow:0 2px 8px rgba(33,180,99,0.1)}
.hero-title{font-size:clamp(28px, 4vw, 40px);font-weight:800;line-height:1.4;margin-bottom:20px;color:var(--soft-text-main)}
.hero-desc{font-size:16px;color:var(--soft-text-muted);margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-dl{display:inline-flex;align-items:center;padding:16px 36px;background:var(--soft-green);color:#FFF;font-size:16px;font-weight:800;border-radius:30px;box-shadow:0 8px 20px rgba(33,180,99,0.25)}
.btn-dl:hover{background:var(--soft-green-hover);transform:translateY(-3px);box-shadow:0 12px 24px rgba(33,180,99,0.3)}
.btn-works{display:inline-flex;align-items:center;padding:16px 32px;background:#FFF;color:var(--soft-text-main);font-size:15px;font-weight:700;border-radius:30px;border:2px solid var(--soft-border);box-shadow:var(--shadow-card)}
.btn-works:hover{background:var(--soft-bg);border-color:var(--soft-text-muted)}
.hero-visual{flex:1;min-width:320px}
.hero-visual img{border-radius:24px;box-shadow:var(--shadow-float);border:4px solid #FFF}

/* Friendly Announcement */
.ann-area{max-width:1000px;margin:-30px auto 60px;padding:0 24px;position:relative;z-index:2}
.ann-card{background:var(--soft-card);border-radius:20px;padding:24px;display:flex;align-items:center;gap:20px;box-shadow:var(--shadow-float);border:1px solid rgba(255,255,255,0.5)}
.ann-tag{background:var(--soft-green-light);color:var(--soft-green);font-size:12px;font-weight:800;padding:6px 12px;border-radius:12px}
.ann-date{font-size:14px;color:var(--soft-text-muted);font-weight:600}
.ann-title{font-size:15px;font-weight:700;color:var(--soft-text-main);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:26px;font-weight:800;margin-bottom:12px;color:var(--soft-text-main)}
.sec-title p{font-size:15px;color:var(--soft-text-muted)}

/* Soft Categories Grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:80px}
.cat-card{background:var(--soft-card);border:1px solid var(--soft-border);padding:32px 24px;border-radius:24px;text-align:center;transition:0.3s;box-shadow:var(--shadow-card)}
.cat-card:hover{box-shadow:var(--shadow-float);border-color:var(--soft-green-light);transform:translateY(-5px)}
.cat-icon-wrap{width:56px;height:56px;background:var(--soft-green-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--soft-green);font-size:24px;font-weight:bold}
.cat-card h3{font-size:18px;font-weight:800;margin-bottom:12px}
.cat-card p{font-size:14px;color:var(--soft-text-muted);margin:0}

/* Article Section with rounded UI */
.article-sec{background:var(--soft-card);border-radius:32px;padding:50px;display:flex;flex-wrap:wrap;gap:50px;align-items:center;margin-bottom:80px;box-shadow:var(--shadow-float)}
.art-text{flex:1;min-width:300px}
.art-text h3{font-size:24px;font-weight:800;margin-bottom:24px;color:var(--soft-text-main);line-height:1.4}
.art-text p{font-size:15px;color:var(--soft-text-muted);margin-bottom:16px}
.art-img{flex:1;min-width:300px}
.art-img img{border-radius:20px;box-shadow:var(--shadow-card)}

/* Columns */
.col-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;margin-bottom:80px}
.col-card{background:var(--soft-card);border-radius:24px;box-shadow:var(--shadow-card);overflow:hidden;transition:0.3s;border:1px solid transparent}
.col-card:hover{box-shadow:var(--shadow-float);border-color:var(--soft-border);transform:translateY(-4px)}
.col-card img{width:100%;height:180px;object-fit:cover;border-radius:24px 24px 0 0}
.col-body{padding:24px}
.col-tag{display:inline-block;font-size:11px;color:var(--soft-green);font-weight:800;background:var(--soft-green-light);padding:4px 10px;border-radius:12px;margin-bottom:12px}
.col-body h4{font-size:17px;font-weight:800;margin-bottom:12px}
.col-body p{font-size:14px;color:var(--soft-text-muted)}

/* Gentle Support Area */
.support-area{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:80px}
.sup-box{flex:1;min-width:300px;background:var(--soft-card);border-radius:24px;padding:40px;text-align:center;box-shadow:var(--shadow-card);border:2px dashed var(--soft-border)}
.sup-box h3{font-size:20px;font-weight:800;margin-bottom:16px}
.sup-box p{font-size:14px;color:var(--soft-text-muted);margin-bottom:24px}
.btn-sup{display:inline-block;padding:12px 32px;background:var(--soft-green-light);color:var(--soft-green);border-radius:20px;font-weight:800;font-size:14px}
.btn-sup:hover{background:var(--soft-green);color:#fff}
.btn-off{display:inline-block;padding:12px 32px;background:var(--soft-bg);color:var(--soft-text-main);border-radius:20px;font-weight:800;font-size:14px}
.btn-off:hover{background:var(--soft-border)}

/* Footer */
.site-footer{background:#FFFFFF;border-top:1px solid var(--soft-border);padding:60px 24px 40px}
.foot-inner{max-width:1100px;margin:0 auto}
.foot-nav{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:40px;justify-content:center}
.foot-nav a{font-weight:700;font-size:14px;color:var(--soft-text-muted);padding:8px 16px;border-radius:20px}
.foot-nav a:hover{background:var(--soft-bg);color:var(--soft-text-main)}
.foot-bottom{border-top:1px dashed var(--soft-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(--soft-text-muted);font-size:13px}
.foot-links a:hover{color:var(--soft-text-main);text-decoration:underline}
.copy{color:var(--soft-text-muted);font-size:13px}

@media(max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start}
  .main-nav{width:100%;padding-top:16px;gap:12px}
  .hero{padding:40px 24px 80px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-dl, .btn-works{width:100%;justify-content:center}
  .ann-area{margin-top:-20px}
  .ann-card{flex-direction:column;align-items:flex-start;gap:12px}
  .article-sec{padding:32px 24px;border-radius:24px}
  .foot-bottom{flex-direction:column;align-items:center;text-align:center}
}
img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}