.free-banner{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px 20px;width:100%;padding:15px 24px;background:#ffdf43;color:#172b40;border-bottom:1px solid #e5c333;text-align:center;line-height:1.5;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif}.free-banner strong{font-size:clamp(22px,3vw,28px);font-weight:900;letter-spacing:.04em}.free-banner span{font-size:16px;font-weight:600}.course-free-badge{display:inline-block;margin-left:10px;padding:4px 8px;background:#ffdf43;color:#172b40;font-size:14px;font-weight:800;letter-spacing:0;line-height:1.5}.course-card .card-top{flex-wrap:wrap;gap:8px}@media(max-width:640px){.free-banner{flex-direction:column;padding:12px 16px;gap:3px}.free-banner span{font-size:14px}.course-free-badge{margin-left:6px;font-size:13px}}