html.retro,html.retro .dark{--theme:#000000;--entry:#000022;--primary:#cccccc;--secondary:#99aacc;--tertiary:#222244;--content:#cccccc;--code-block-bg:#000000;--code-bg:#001122;--border:#6666aa;--radius:0}html.retro body{background-color:#000!important;background-image:radial-gradient(white,rgba(255,255,255,.2) 2px,transparent 3px),radial-gradient(white,rgba(255,255,255,.15) 1px,transparent 2px),radial-gradient(white,rgba(255,255,255,.1) 2px,transparent 3px);background-size:550px 550px,350px 350px,250px 250px;background-position:0 0,40px 60px,130px 270px;font-family:ＭＳ Ｐゴシック,ms pgothic,osaka,sans-serif!important;color:#ccc}html.retro::-webkit-scrollbar{width:16px;background:#000}html.retro::-webkit-scrollbar-thumb{background-color:#006;border:2px outset #009}html.retro::-webkit-scrollbar-track{background-color:#000;border-left:1px solid #333}html.retro a{color:#0ff;text-decoration:underline}html.retro a:visited{color:#f0f}html.retro a:hover{color:#ff0!important;text-decoration:none;cursor:help}html.retro a:active{color:red}html.retro .header{background-color:#002;border-bottom:4px ridge #66a}html.retro .logo a{font-size:26px;background:linear-gradient(90deg,#ff0000,#ff7f00,#ffff00,#00ff00,#00ffff,#0000ff,#ff00ff,#ff0000);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent!important;animation:retro-rainbow 3s linear infinite;letter-spacing:2px}@keyframes retro-rainbow{0%{background-position:0}100%{background-position:200%}}html.retro #menu a{color:#0ff;text-decoration:underline}html.retro #menu a::before{content:"★";color:#ff0;margin-right:3px;font-size:11px;animation:retro-star-blink 1.5s ease-in-out infinite}@keyframes retro-star-blink{0%,100%{opacity:1}50%{opacity:.3}}html.retro #theme-toggle{display:none}html.retro .main{background-color:rgba(0,0,34,.85);border:4px outset #66a;margin-top:10px;margin-bottom:10px;padding-top:15px}html.retro .post-entry{background-color:#002!important;border:3px ridge #ccc;box-shadow:none}html.retro .post-entry:hover{background-color:#013!important;transform:none}html.retro .entry-header h2{color:#ff0}html.retro .entry-header h2::before{content:"★ ";color:#ff0;animation:retro-star-blink 1.5s ease-in-out infinite}html.retro .entry-content,html.retro .entry-footer{color:#9ac}html.retro .first-entry,html.retro .home-info{background:#002;border:3px ridge #ccc;padding:20px}html.retro .first-entry .entry-header h1,html.retro .home-info .entry-header h1{color:#ff0;text-shadow:3px 3px red;font-weight:400}html.retro .post-title{color:#ff0!important;text-shadow:3px 3px red;font-weight:400;letter-spacing:2px}html.retro .post-content h2{background-color:#006;color:#fff;padding:3px 10px;border-left:5px solid #0ff;border-bottom:none;font-weight:700}html.retro .post-content h3{color:#00bfff;border-bottom:2px dashed #999;padding-bottom:3px}html.retro .post-content h3::before,html.retro .post-content h3::after{content:" ☆ ";color:#ff0}html.retro .post-content blockquote{border-inline-start:3px solid #ff00ff;background:#102}html.retro .post-content hr{border:0;height:3px;background:linear-gradient(90deg,transparent,#ff00ff,#00ffff,#ffff00,#ff00ff,transparent);animation:retro-hr-glow 2s ease-in-out infinite}@keyframes retro-hr-glow{0%,100%{opacity:.7}50%{opacity:1}}html.retro .toc{background:#012!important;border:2px inset #ccc!important}html.retro .toc summary::before{content:"◆ ";color:#0ff}html.retro .paginav{background:#002;border:2px outset #66a}html.retro .top-link{background:#333;border:2px outset #666;color:#fff;border-radius:0}html.retro .footer{color:#888;border-top:2px solid #66a}html:not(.retro) .retro-welcome-banner,html:not(.retro) .retro-marquee,html:not(.retro) .retro-counter-area,html:not(.retro) .retro-banner-area,html:not(.retro) .retro-best-viewed{display:none}.retro-welcome-banner{background:linear-gradient(90deg,#ff00ff,#00ffff,#ffff00);background-size:300% 100%;animation:retro-gradient-shift 2s ease infinite;padding:8px;color:#000;font-weight:700;font-size:16px;border:3px ridge #fff;text-align:center;max-width:calc(var(--main-width) + var(--gap) * 2);margin:10px auto 0}@keyframes retro-gradient-shift{0%,100%{background-position:0}50%{background-position:100%}}.retro-marquee{background-color:#006;color:#fff;border:2px inset #ccc;padding:4px;font-weight:700;overflow:hidden;white-space:nowrap;max-width:calc(var(--main-width) + var(--gap) * 2);margin:5px auto 0}.retro-marquee span{display:inline-block;padding-left:100%;animation:retro-marquee-slide 18s linear infinite}@keyframes retro-marquee-slide{0%{transform:translate(0,0)}100%{transform:translate(-100%,0)}}.retro-counter-area{text-align:center;margin:15px 0 5px;font-size:14px;color:#ccc}.retro-counter{display:inline-block;border:1px solid #666;background:#000;color:#0f0;font-family:courier new,monospace;padding:3px 10px;letter-spacing:3px;font-weight:700;font-size:18px;text-shadow:0 0 10px #0f0;animation:retro-counter-glow 1.5s ease-in-out infinite;vertical-align:middle;margin:0 5px}@keyframes retro-counter-glow{0%,100%{text-shadow:0 0 10px #0f0}50%{text-shadow:0 0 20px #0f0,0 0 30px #0f0}}.retro-blink{animation:retro-blinker .8s step-end infinite}@keyframes retro-blinker{50%{opacity:0}}.retro-banner-area{text-align:center;margin:10px 0}.retro-link-banner{display:inline-block;border:1px solid #fff;padding:3px 8px;font-size:10px;margin:2px;background:#013;color:#ccc}.retro-best-viewed{text-align:center;font-size:10px;color:#888;margin:10px 0}