*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#111;line-height:1.6;background:#fff}a{color:#14853d}.container{width:min(1100px,calc(100% - 32px));margin:auto}header{border-bottom:1px solid #e2e8e4;background:#fff}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:1.35rem;color:#111;text-decoration:none}.brand span{color:#1DB954}nav a{margin-left:18px;text-decoration:none;color:#222;font-weight:600}.hero{padding:70px 0 55px;text-align:center;background:linear-gradient(#f2fff6,#fff)}h1{font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.1}.hero p{max-width:720px;margin:0 auto 28px;color:#666}.tool{max-width:820px;margin:auto;border:1px solid #dfe5e1;border-radius:18px;padding:20px;box-shadow:0 14px 40px rgba(0,0,0,.06)}.input-row{display:flex;gap:10px}input{flex:1;min-width:0;padding:16px;border:1px solid #ccd6cf;border-radius:10px;font-size:1rem}button,.button{background:#1DB954;color:#fff;border:0;border-radius:10px;padding:16px 22px;font-weight:800;text-decoration:none;cursor:pointer}.message{display:none;margin-top:14px;padding:12px;border-radius:10px}.message.error{display:block;background:#fff1f1;color:#9b0000}.message.info{display:block;background:#effaf2;color:#126532}.result{display:none;margin-top:22px;border-top:1px solid #e2e8e4;padding-top:22px;text-align:left}.result-card{display:grid;grid-template-columns:160px 1fr;gap:22px;align-items:center}.result-card img{width:160px;height:160px;object-fit:cover;border-radius:14px}.badge{display:inline-block;background:#eaf9ef;color:#14743b;border-radius:999px;padding:5px 10px;text-transform:capitalize;font-weight:800;font-size:.8rem}.spotify-frame{width:100%;border:0;margin-top:20px;border-radius:12px}section{padding:60px 0}.alt{background:#f6f8f7}.section-title{text-align:center;max-width:700px;margin:0 auto 32px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid #dfe5e1;border-radius:14px;padding:24px;background:#fff}.page{max-width:850px;margin:auto;padding:55px 0}.page h1{font-size:2.4rem}.notice{max-width:850px;margin:auto;border-left:4px solid #1DB954;background:#f7f7f7;padding:16px}.faq details{border:1px solid #dfe5e1;border-radius:10px;padding:15px 18px;margin-bottom:12px}.faq summary{font-weight:800;cursor:pointer}footer{border-top:1px solid #e2e8e4;padding:28px 0}.footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer a{margin-right:14px;color:#333;text-decoration:none}.small{color:#777;font-size:.9rem}@media(max-width:760px){nav{display:none}.hero{padding:48px 0 40px}.input-row{flex-direction:column}.grid{grid-template-columns:1fr}.result-card{grid-template-columns:1fr;text-align:center}.result-card img{margin:auto}button{width:100%}}