.sky-evening{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:var(--evening, 0);background:linear-gradient(180deg,#160a33,#2c0f4e 8%,#571566,#921f5c,#c43043 35%,#e85420 43%,#ff8a2e 50%,#ffc56b,#5a7820 56%,#488018 66%,#366814,#285610 90%,#1e4808)}.sky-night{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:var(--night, 0);background:linear-gradient(180deg,#020207,#04060f 14%,#070b22 30%,#0c1638 44%,#142a55 50%,#20406e,#0a1c10 56%,#07160c 70%,#050f08)}.stars{position:absolute;inset:0 0 46%;background-repeat:no-repeat;background-image:radial-gradient(1.2px 1.2px at 5% 12%,rgba(255,255,255,.9),transparent),radial-gradient(1px 1px at 12% 30%,rgba(255,255,255,.7),transparent),radial-gradient(1.4px 1.4px at 18% 8%,rgba(255,255,255,.95),transparent),radial-gradient(.9px .9px at 23% 22%,rgba(255,255,255,.6),transparent),radial-gradient(1.1px 1.1px at 29% 38%,rgba(255,255,255,.8),transparent),radial-gradient(1px 1px at 34% 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36%,rgba(255,255,255,.65),transparent)}@media(prefers-reduced-motion:no-preference){.stars{animation:star-twinkle 6s ease-in-out infinite}}@keyframes star-twinkle{0%,to{opacity:1}50%{opacity:.55}}.shooting-star{position:absolute;width:130px;height:1.6px;background:linear-gradient(90deg,#fffffff2,#fff0);border-radius:2px;opacity:0;filter:drop-shadow(0 0 4px rgba(200,225,255,.8));will-change:transform,opacity}@media(prefers-reduced-motion:no-preference){.shooting-star{top:11%;left:62%;animation:shoot 11s ease-in infinite}.shooting-star.s2{top:22%;left:32%;width:95px;animation-duration:15s;animation-delay:6s}.shooting-star.s3{top:6%;left:80%;width:115px;animation-duration:19s;animation-delay:11s}}@keyframes shoot{0%{opacity:0;transform:translate(0) rotate(-21deg)}4%{opacity:0}9%{opacity:1}17%{opacity:0;transform:translate(-230px,92px) rotate(-21deg)}to{opacity:0;transform:translate(-230px,92px) rotate(-21deg)}}@font-face{font-family:Noto Sans 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none){@media(pointer:coarse){::-webkit-scrollbar{width:0;height:0}}}.md-content{font-family:Tahoma,Noto Sans JP,MS PGothic,sans-serif;font-size:15px;line-height:1.7;color:#000}.md-content h1{font-size:23px;font-weight:700;margin-bottom:3px}.md-content h2{font-size:18px;margin:25px 0 10px;color:#1252a2}.md-content h3{font-size:15px;margin:18px 0 8px;font-weight:700;color:#716f64}.md-content p{margin-bottom:13px}.md-content a{color:#00c;text-decoration:underline}.md-content a:visited{color:purple}.md-content a:hover{color:#00f}.md-content ul,.md-content ol{padding-left:30px;margin-bottom:13px}.md-content li{margin-bottom:5px}.md-content code{font-family:Courier New,monospace;font-size:14px;background:#f5f4ed;border:1px solid #aca899;padding:0 4px}.md-content pre{background:#f5f4ed;border-top:1px solid #716f64;border-left:1px solid #716f64;border-right:1px solid #ffffff;border-bottom:1px solid #ffffff;padding:10px 15px;margin:13px 0;overflow-x:auto}.md-content pre 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td:last-child{border-right:none}.md-content table tr:last-child td{border-bottom:none}.md-content table tr:nth-child(2n) td{background:#f5f4ed}@media print{app-taskbar,app-start-menu,app-bliss-bg,.title-bar,.win-controls{display:none!important}app-xp-window{display:block!important;position:static!important;transform:none!important;width:auto!important;height:auto!important;border:none!important;box-shadow:none!important}.win-content{display:block!important;height:auto!important}.win-body{overflow:visible!important;height:auto!important}.xp-scrollbar{display:none!important}}