/* シンプルなスタイル */
:root{--accent:#2b6df6;--bg:#fafafa}
body{font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;background:var(--bg);color:#1a1a1a;margin:0}
.container{max-width:920px;margin:0 auto;padding:24px}
.hero{background:#fff;border-bottom:1px solid #eee;padding:48px 0;text-align:center}
.hero h1{font-size:36px;margin:0}
.tag{color:#555;margin:8px 0 16px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none}
h2{margin-top:32px}
ul{padding-left:1.2em}
.screens{display:flex;gap:12px;margin-top:12px;flex-wrap:wrap;justify-content:center}
.screens img{flex:0 0 auto;width:250px;max-width:100%;height:auto;border:1px solid #e6e6e6;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.note{font-size:13px;color:#666}
footer{padding:24px 0;text-align:center;color:#777}