*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Hiragino Kaku Gothic Pro','Noto Sans JP',sans-serif;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;line-height:1.7;min-height:100vh}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{background:rgba(0,0,0,0.3);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,0.1);position:sticky;top:0;z-index:100}
nav{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;max-width:1200px;margin:0 auto}
.logo{font-size:1.5em;font-weight:700;color:#e94560;text-decoration:none}
.nav-links{display:flex;gap:5px;flex-wrap:wrap}
.nav-links a{color:#ccc;text-decoration:none;padding:8px 16px;border-radius:20px;transition:all 0.3s;font-size:0.95em}
.nav-links a:hover,.nav-links a.active{background:rgba(233,69,96,0.2);color:#e94560}
.hero{padding:80px 0 60px;text-align:center}
.hero h1{font-size:2.8em;margin-bottom:20px;background:linear-gradient(135deg,#e94560,#ff6b6b);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.2em;color:#a0a0c0;max-width:600px;margin:0 auto 30px}
.hero-btns{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.btn-primary{background:linear-gradient(135deg,#e94560,#ff6b6b);color:#fff;padding:14px 32px;border-radius:30px;text-decoration:none;font-weight:600;transition:all 0.3s;border:none;cursor:pointer;font-size:1em}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(233,69,96,0.4)}
.btn-secondary{background:rgba(255,255,255,0.1);color:#fff;padding:14px 32px;border-radius:30px;text-decoration:none;font-weight:600;transition:all 0.3s;border:1px solid rgba(255,255,255,0.2)}
.btn-secondary:hover{background:rgba(255,255,255,0.2)}
.section{padding:60px 0}
.section-title{text-align:center;font-size:2em;margin-bottom:40px;position:relative}
.section-title::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(135deg,#e94560,#ff6b6b);margin:15px auto 0;border-radius:2px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.tool-card{background:rgba(255,255,255,0.05);border-radius:16px;padding:28px 20px;text-align:center;text-decoration:none;color:#fff;transition:all 0.3s;border:1px solid rgba(255,255,255,0.08)}
.tool-card:hover{transform:translateY(-6px);background:rgba(255,255,255,0.1);border-color:rgba(233,69,96,0.3)}
.tool-icon{font-size:2.8em;margin-bottom:12px}
.tool-name{font-size:1.1em;font-weight:600;color:#e94560;margin-bottom:6px}
.tool-desc{font-size:0.85em;color:#9090b0}
.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}
.article-card{background:rgba(255,255,255,0.05);border-radius:16px;overflow:hidden;text-decoration:none;color:#fff;transition:all 0.3s;border:1px solid rgba(255,255,255,0.08)}
.article-card:hover{transform:translateY(-4px);background:rgba(255,255,255,0.08)}
.article-img{width:100%;height:180px;object-fit:cover;background:linear-gradient(135deg,#0f3460,#16213e)}
.article-content{padding:20px}
.article-title{font-size:1.05em;font-weight:600;margin-bottom:8px;line-height:1.4}
.article-excerpt{font-size:0.85em;color:#a0a0c0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{font-size:0.8em;color:#707090;margin-top:10px}
footer{background:rgba(0,0,0,0.4);padding:40px 0;text-align:center;border-top:1px solid rgba(255,255,255,0.05);margin-top:60px}
footer p{color:#707090;font-size:0.9em}
footer a{color:#e94560;text-decoration:none}
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.feature-card{background:rgba(255,255,255,0.04);border-radius:16px;padding:30px;border:1px solid rgba(255,255,255,0.06);text-align:center}
.feature-icon{font-size:2.5em;margin-bottom:15px}
.feature-title{font-size:1.15em;font-weight:600;margin-bottom:10px;color:#e94560}
.feature-desc{font-size:0.9em;color:#9090b0}
.contact-form{max-width:600px;margin:0 auto;background:rgba(255,255,255,0.05);padding:40px;border-radius:16px;border:1px solid rgba(255,255,255,0.08)}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:8px;color:#ccc;font-size:0.95em}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border-radius:10px;border:1px solid rgba(255,255,255,0.1);background:rgba(255,255,255,0.05);color:#fff;font-size:1em;font-family:inherit}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#e94560}
.form-group textarea{resize:vertical;min-height:120px}
.page-content{background:rgba(255,255,255,0.05);border-radius:16px;padding:50px;margin:40px auto;max-width:900px;border:1px solid rgba(255,255,255,0.08)}
.page-content h1{font-size:2em;margin-bottom:20px;color:#e94560}
.page-content h2{font-size:1.4em;margin:30px 0 15px;color:#fff}
.page-content p{margin-bottom:15px;color:#c0c0d0;line-height:1.8}
.page-content ul{padding-left:25px;margin-bottom:15px}
.page-content li{margin-bottom:8px;color:#c0c0d0}
.sitemap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px}
.sitemap-col h3{color:#e94560;margin-bottom:15px;font-size:1.1em}
.sitemap-col a{display:block;color:#a0a0c0;text-decoration:none;padding:5px 0;font-size:0.9em;transition:color 0.2s}
.sitemap-col a:hover{color:#e94560}
@media(max-width:768px){
.nav-links{gap:3px}
.nav-links a{padding:6px 10px;font-size:0.85em}
.hero h1{font-size:1.8em}
.hero-btns{flex-direction:column;align-items:center}
.tools-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.articles-grid{grid-template-columns:1fr}
.page-content{padding:25px 20px}
}