.participation-page{grid-template-columns:minmax(0,1fr) minmax(320px,440px);align-items:start;gap:0 clamp(40px,8vw,120px);padding-block:clamp(32px,5vw,72px) 80px;display:grid}.participation-form{grid-area:1/2/span 2}.participation-detail{grid-column:1;align-self:start}.participation-back{margin-bottom:36px}.participation-intro h1{max-width:12ch;margin:22px 0;font-size:clamp(46px,5vw,72px);line-height:1.04}.participation-intro .auth-intro{max-width:43ch;color:var(--muted);opacity:1;line-height:1.8}.participation-benefits{max-width:42ch;margin:36px 0 0;padding:0;list-style:none}.participation-benefits li{border-top:1px solid var(--line);color:var(--muted);align-items:center;gap:16px;padding-block:16px;line-height:1.65;display:flex}.participation-benefits svg{color:var(--gold);flex-shrink:0}.participation-form{border-top:1px solid var(--gold);min-width:0;margin-top:70px;padding:28px 0 0}.participation-form h2{margin:12px 0;font-size:32px;line-height:1.12}.participation-note{color:var(--muted);margin:12px 0 26px;font-size:13px;line-height:1.7}.participation-page .auth-form{gap:22px}.participation-page .auth-field{gap:9px}.participation-page .auth-field label{opacity:1;font-size:14px}.participation-page .auth-field input{box-sizing:border-box;border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 50%, transparent);width:100%;min-width:0;min-height:50px;color:var(--text);border-radius:4px;padding:12px 14px;font-size:16px}.participation-page .auth-field input:focus{outline:2px solid var(--gold);outline-offset:3px}.participation-page .auth-hint{color:var(--muted);opacity:1;line-height:1.6}.participation-page .auth-submit{background:var(--gold);min-height:50px;color:var(--bg);border:1px solid var(--gold);border-radius:4px;margin-top:0;padding:14px 22px;font-size:14px}.participation-page .auth-submit:hover:not(:disabled){filter:brightness(1.06)}.participation-page .auth-links{opacity:1;color:var(--muted);line-height:1.7}.participation-page .auth-links a{color:var(--gold);text-underline-offset:4px}.participation-page .auth-error{color:#ffb1a6;border-left:2px solid;padding-left:12px;line-height:1.7}.participation-page .auth-success{color:#a9d6b1;margin-block:20px;line-height:1.7}[data-theme=light] .participation-page .auth-error{color:#a13025}[data-theme=light] .participation-page .auth-success{color:#286437}@media (max-width:800px){.participation-form,.participation-detail{grid-area:auto}.participation-page{grid-template-columns:1fr;gap:28px}.participation-intro h1{max-width:16ch;font-size:clamp(42px,8vw,58px)}.participation-back{margin-bottom:20px}.participation-form{width:100%;max-width:540px;margin-top:0}.participation-benefits{margin-top:20px}.participation-benefits li{padding-block:10px;font-size:14px}}