#license-gate{position:fixed;inset:0;z-index:2000;background:var(--bg-page);display:flex;align-items:center;justify-content:center;padding:20px}.gate-card{background:#fff;border-radius:16px;padding:44px 40px;max-width:480px;width:100%;box-shadow:0 8px 48px #00000021;text-align:center}.gate-card h2{font-size:1.45rem;font-weight:800;letter-spacing:-.02em;color:var(--text-h);margin:20px 0 10px}.gate-card p{font-size:.92rem;color:var(--text-b);line-height:1.6;margin-bottom:6px}.gate-card .note{font-size:.8rem;color:#999;margin-top:18px}.gate-card .note a{color:var(--primary);text-decoration:underline}#license-input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--r-sm);font-family:Inter,sans-serif;font-size:.92rem;letter-spacing:.04em;text-transform:uppercase;margin-top:22px;outline:none;transition:border .2s}#license-input:focus{border-color:var(--primary)}#license-input.error{border-color:#dc2626}#license-submit{width:100%;margin-top:12px;padding:13px 20px;background:#b8801a;color:#fff;border:none;border-radius:var(--r-btn);font-family:Inter,sans-serif;font-weight:700;font-size:.95rem;cursor:pointer;transition:background .2s}#license-submit:hover{background:#9a6b15}#license-submit:disabled{opacity:.6;cursor:not-allowed}#license-error{color:#dc2626;font-size:.82rem;margin-top:10px;min-height:18px}#course-index{display:none}.course-header{background:var(--dark);color:#fff;padding:3.5rem 1.5rem 3rem}.course-header-inner{max-width:1160px;margin:0 auto}.course-header .back-link{display:inline-flex;align-items:center;gap:.4rem;font-size:.82rem;color:#ffffff80;text-decoration:none;margin-bottom:1.5rem;transition:color .2s}.course-header .back-link:before{content:"←";margin-right:.3rem}.course-header .back-link:hover{color:var(--primary)}.course-header h1{display:flex;align-items:center;gap:.6rem;font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.75rem}.header-leaf{flex-shrink:0}.course-header p{color:#fff9;font-size:1rem;max-width:580px;line-height:1.65}.course-meta{display:flex;gap:2rem;flex-wrap:wrap;margin-top:1.5rem}.course-meta-item{display:flex;align-items:center;gap:.4rem;font-size:.82rem;color:#ffffff80}.course-meta-item strong{color:#ffffffd9}.modules-section{max-width:1160px;margin:0 auto;padding:3rem 1.5rem 2rem}.modules-section>h2{font-size:1.35rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.4rem}.modules-section .sub{font-size:.9rem;color:var(--text-b);margin-bottom:2rem}.modules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.module-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;text-decoration:none;color:inherit;transition:border-color .22s,box-shadow .22s;display:flex;flex-direction:column}@media(hover:hover){.module-card:hover{border-color:var(--primary);box-shadow:var(--shadow-h);transform:translateY(-3px)}}.mc-img-wrap{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#f0f0f0}.mc-img-wrap img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}@media(hover:hover){.module-card:hover .mc-img-wrap img{transform:scale(1.04)}}.mc-num{position:absolute;top:10px;left:10px;background:#0f0f0fbf;color:#fff;font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;padding:.3rem .6rem;border-radius:var(--r-sm);backdrop-filter:blur(4px)}.mc-body{padding:1.1rem 1.25rem 1.25rem;display:flex;flex-direction:column;flex:1}.module-card h3{font-size:.95rem;font-weight:700;margin-bottom:.35rem;color:var(--text-h)}.module-card p{font-size:.82rem;color:var(--text-b);line-height:1.55;flex:1}.mc-footer{display:flex;align-items:center;justify-content:space-between;margin-top:.85rem;padding-top:.7rem;border-top:1px solid var(--border)}.mc-time{font-size:.72rem;color:var(--text-b);font-weight:600}.mc-arrow{font-size:.78rem;font-weight:700;color:var(--primary)}.mc-arrow:after{content:" →"}@media(max-width:900px){.modules-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.modules-grid{grid-template-columns:1fr}}.progress-section{margin-top:3.5rem;padding-top:2rem;border-top:1px solid var(--border)}.progress-section h2{font-size:1.35rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.4rem}