:root{--main:#4f66c4;--main-light:#e6ebfa;--bg:#f5f7fb;--text:#2f3a57;--sub:#6b7591;--line:#dde2ee;--card:#fff;--t1:#e5835f;--t2:#68c898;--t3:#a8466a;--t4:#f0c45f}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;font-family:Noto Sans JP,sans-serif;font-size:16px;line-height:1.8}a{color:inherit}h1,h2,h3{font-family:Zen Maru Gothic,sans-serif;font-weight:700}.container{max-width:600px;margin:0 auto}header.site{background:var(--card);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.logo{letter-spacing:.12em;font-family:Zen Maru Gothic,sans-serif;font-size:17px;font-weight:700;text-decoration:none}.logo span{color:var(--main)}.head-link{color:var(--main);font-size:13px;font-weight:500;text-decoration:none}.page{padding:24px 20px 40px}.sec{margin-top:36px}.sec-title{margin-bottom:14px;font-size:18px}.btn{text-align:center;background:var(--main);color:#fff;border-radius:14px;margin-top:20px;padding:14px;font-size:16px;font-weight:700;text-decoration:none;display:block}.btn-sub{color:var(--sub);text-align:center;margin-top:8px;font-size:12px}.card{background:var(--card);border:1px solid var(--line);color:inherit;border-radius:16px;text-decoration:none;display:block;overflow:hidden}.card-body{border-top:3px solid var(--tc,var(--line));padding:14px 16px 16px}.tag{color:var(--tc,var(--sub));font-size:12px;font-weight:700}.card-title{margin-top:2px;font-size:16px;font-weight:700;line-height:1.6}.card-desc{color:var(--sub);margin-top:4px;font-size:13px;line-height:1.7}.thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#c9d3f2,#e6ebfa);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.thumb img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.play{background:#ffffffe6;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;display:flex;position:relative}.play:after{content:"";border-left:16px solid var(--main);border-top:10px solid #0000;border-bottom:10px solid #0000;margin-left:4px}.list{flex-direction:column;gap:12px;display:flex}.row{background:var(--card);border:1px solid var(--line);color:inherit;border-radius:14px;align-items:center;gap:12px;padding:10px;text-decoration:none;display:flex}.row .mini{border-radius:10px;flex-shrink:0;width:104px}.row .mini .play{width:30px;height:30px}.row .mini .play:after{border-top-width:6px;border-bottom-width:6px;border-left-width:10px;margin-left:3px}.row .tag{font-size:11px}.row .card-title{font-size:14px}.row .card-desc{margin-top:2px;font-size:12px}.themes{flex-direction:column;gap:10px;display:flex}.theme{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--tc);color:inherit;border-radius:14px;padding:14px 16px;text-decoration:none;display:block}.theme b{font-size:15px}.theme small{color:var(--sub);font-size:13px;display:block}.badge{color:var(--main);background:var(--main-light);border-radius:999px;margin-bottom:8px;padding:2px 12px;font-size:12px;font-weight:700;display:inline-block}.badge small{color:var(--sub);margin-left:6px;font-size:11px;font-weight:400}footer.site{text-align:center;color:var(--sub);border-top:1px solid var(--line);background:var(--card);padding:20px;font-size:11px;line-height:2.2}footer.site a{color:var(--sub);margin:0 6px}.dev-note{color:#7a5b00;text-align:center;background:#fff7df;padding:8px 20px;font-size:12px;line-height:1.7}.dev-note a{color:inherit;font-weight:700}.form-title{font-size:23px;line-height:1.5}.form-lead{color:var(--sub);margin-top:8px;font-size:15px}.form{margin-top:24px}.form label{margin-bottom:6px;font-size:14px;font-weight:700;display:block}.form input{border:1.5px solid var(--line);background:var(--card);width:100%;color:var(--text);border-radius:12px;padding:13px 14px;font-family:inherit;font-size:17px}.form input:focus{border-color:var(--main);outline:none}.form input.code{letter-spacing:.4em;text-align:center;font-size:26px}button.btn{cursor:pointer;border:0;width:100%;font-family:inherit}.error{color:#a33a3a;background:#fdeeee;border-radius:12px;margin-top:20px;padding:12px 14px;font-size:14px}.small-note{color:var(--sub);margin-top:20px;font-size:13px;line-height:1.8}.small-note a{color:var(--main)}.btn-outline{text-align:center;color:var(--main);border:1.5px solid var(--main);cursor:pointer;background:0 0;border-radius:14px;width:100%;margin-top:12px;padding:12px;font-family:inherit;font-size:15px;font-weight:700;text-decoration:none;display:block}.legal h1{font-size:22px;line-height:1.5}.legal .updated{color:var(--sub);margin-top:6px;font-size:12px}.legal h2{margin-top:28px;margin-bottom:6px;font-size:16px}.legal p,.legal li{font-size:14px;line-height:1.9}.legal ol,.legal ul{margin-top:4px;padding-left:1.4em}.legal li+li{margin-top:4px}.legal a{color:var(--main);word-break:break-all}.legal dl{border-top:1px solid var(--line);margin-top:20px}.legal dl>div{border-bottom:1px solid var(--line);padding:12px 0}.legal dt{color:var(--sub);font-size:13px;font-weight:700}.legal dd{margin-top:2px;font-size:14px;line-height:1.8}.legal .lead{color:var(--sub);margin-top:12px;font-size:14px}