.sponsor-admin{max-width:1120px;margin:2rem auto;padding:1.5rem}.sponsor-admin h1,.sponsor-admin h2{line-height:1.2}.sponsor-admin p{max-width:85ch;line-height:1.6}.sponsor-form{display:grid;gap:1rem;max-width:850px}.sponsor-form label,.sponsor-actions label{display:grid;gap:.4rem;font-weight:600}.sponsor-form input:not([type=checkbox]),.sponsor-form textarea,.sponsor-actions input,.sponsor-actions select{width:100%;padding:.7rem;border:1px solid #aeb9c7;border-radius:8px;font:inherit;background:#fff;color:#132238;box-sizing:border-box}.sponsor-form .sponsor-check{display:flex;align-items:center}.sponsor-button,.sponsor-admin button{display:inline-block;border:0;border-radius:8px;padding:.8rem 1rem;background:#153c50;color:white;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}.sponsor-section{margin-top:2rem;padding-top:1.5rem;border-top:1px solid #cbd5e1}.logo-comparison{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.logo-comparison figure{margin:0;background:#eef2f6;padding:1rem;border-radius:12px}.logo-comparison img{width:100%;height:260px;object-fit:contain}.logo-comparison figcaption{margin-top:.7rem}.sponsor-actions{display:flex;gap:1rem;align-items:end;flex-wrap:wrap;margin:1rem 0}.supporters{margin:2.5rem auto;padding:2rem;background:#f4f7fa;border-radius:16px;color:#142338}.supporters h2{margin:0 0 .6rem}.supporters p{margin-bottom:1.5rem}.supporter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin:1.5rem 0}.supporter-card{display:flex;flex-direction:column;gap:.5rem;padding:1rem;border:1px solid #d8e2ec;background:white;border-radius:12px;text-align:center;text-decoration:none;color:#142338;overflow-wrap:anywhere}.supporter-card img{width:100%;height:90px;object-fit:contain}.supporter-card small,.supporter-card span{font-size:.82rem}.sponsored-notice{padding:1rem;border-left:4px solid #b98527;background:#fff6e4;color:#583d12;margin:1rem 0}.company-archive{margin:2rem 0;padding:1.5rem;border:1px solid #ccd5df;border-radius:12px}.company-archive li{margin:.7rem 0}@media(max-width:600px){.logo-comparison{grid-template-columns:1fr}.sponsor-admin{padding:1rem}.sponsor-actions{align-items:stretch;flex-direction:column}}