:root{
  --retro-bg:#000018;
  --retro-panel:#00002d;
  --retro-blue:#0000ee;
  --retro-purple:#9b4dca;
  --retro-yellow:#ffff00;
  --retro-cyan:#00ffff;
  --retro-lime:#00ff66;
  --retro-pink:#ff5ce1;
  --retro-white:#f5f5ff;
  --retro-line:#7487ff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:12px}
body{
  margin:0;
  color:var(--retro-white);
  background-color:var(--retro-bg);
  background-image:
    radial-gradient(circle at 12px 18px,#fff 0 1px,transparent 1.5px),
    radial-gradient(circle at 52px 74px,#7ccfff 0 1px,transparent 1.5px),
    radial-gradient(circle at 88px 35px,#fff9a8 0 1px,transparent 1.5px),
    radial-gradient(circle at 116px 98px,#d6d6ff 0 1px,transparent 1.5px);
  background-size:128px 116px;
  font-family:"MS Gothic","ＭＳ ゴシック","Osaka-Mono",monospace;
  font-size:16px;
  line-height:1.75;
  overflow-wrap:anywhere;
}
a{color:#65a9ff;text-decoration:underline;text-underline-offset:2px}
a:visited{color:var(--retro-purple)}
a:hover,a:focus-visible{background:#ffff00;color:#000}
button,input,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px double #fff;outline-offset:3px}
.skip-link{position:fixed;left:12px;top:-100px;z-index:10;background:#fff;color:#000;padding:8px 12px}
.skip-link:focus{top:12px}
.retro-shell{width:min(calc(100% - 28px),800px);margin:18px auto;background:rgba(0,0,40,.93);border:3px ridge #9aa7ff;box-shadow:0 0 0 3px #111,0 0 24px rgba(0,136,255,.42)}
.retro-header,.retro-section,.retro-footer{padding:20px 28px}
.retro-header{text-align:center;background:linear-gradient(180deg,rgba(0,0,80,.92),rgba(0,0,32,.97))}
.tiny-greeting{margin:0 0 8px;color:var(--retro-cyan);font-size:.88rem;letter-spacing:.08em}
h1{margin:8px auto 14px;color:var(--retro-yellow);font-family:"MS Mincho","ＭＳ 明朝","Yu Mincho",serif;font-size:clamp(1.55rem,5vw,2.5rem);line-height:1.45;text-shadow:2px 2px #d000b8,-1px -1px #0055ff}
h2{margin:0 0 20px;text-align:center;color:var(--retro-yellow);font-family:"MS Mincho","ＭＳ 明朝","Yu Mincho",serif;font-size:1.45rem;text-shadow:1px 1px #c700ae}
h3{font-size:1.05rem}
p{margin:9px 0}
hr{height:8px;margin:0;border:0;background:repeating-linear-gradient(90deg,#00c8ff 0 8px,#ffff00 8px 16px,#ff3acd 16px 24px,#00004a 24px 32px)}
.mobile-break{display:none}
.construction{display:inline-flex;align-items:center;gap:10px;padding:4px 13px;border:3px ridge #ddd;background:#111;color:#ffef00;font-size:.92rem}
.construction span{display:inline-block;animation:wobble .7s steps(2,end) infinite}
@keyframes wobble{50%{transform:translateY(-2px)}}
.counter-area{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin:20px auto 5px}
.counter-area p{margin:0;font-weight:bold}
.digital-counter{display:inline-flex;min-width:144px;justify-content:center;padding:5px 10px;border:4px inset #b7b7b7;background:#050505;color:#ff3030;font-family:"Courier New",monospace;font-size:1.8rem;font-weight:bold;line-height:1;letter-spacing:.18em;text-shadow:0 0 7px red;font-variant-numeric:tabular-nums}
.hit-message{color:var(--retro-pink);font-weight:bold;font-size:1.1rem;animation:rainbow 1.4s steps(3,end) infinite}
@keyframes rainbow{0%{color:#ff55d6}33%{color:#ffff00}66%{color:#00ffff}}
.kiriban{max-width:650px;margin:18px auto;padding:10px 16px;border:2px dotted #00ffff;background:#000021;text-align:left}
.kiriban h2{margin:0 0 6px;font-size:1rem;color:#00ffff;text-align:left;text-shadow:none}
.kiriban p{margin:4px 0;font-size:.92rem}
.ticker{max-width:700px;margin:18px auto;border:2px inset #a8a8a8;background:#000;color:#fffc76;overflow:hidden;white-space:nowrap}
.ticker div{width:max-content;padding:4px 0;animation:ticker 17s linear infinite}
@keyframes ticker{from{transform:translateX(48rem)}to{transform:translateX(-100%)}}
.retro-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 16px;margin:20px auto 2px;padding:12px;border:1px dashed #7487ff;background:#000}
.retro-nav a{display:inline-flex;align-items:center;min-height:44px;padding:4px 3px;color:#6eb5ff;font-weight:bold}
.retro-nav a:visited{color:#6eb5ff}
.retro-section{background:rgba(0,0,45,.94)}
.news dl{max-width:610px;margin:0 auto}
.news dl div{display:grid;grid-template-columns:145px 1fr;padding:7px 0;border-bottom:1px dotted #6262aa}
.news dt,.news dd{margin:0}
.new-badge{display:inline-block;padding:0 4px;border:1px solid #fff;background:#ff0000;color:#fff;font-weight:bold;font-family:Arial,sans-serif;font-size:.75rem;line-height:1.4;animation:blink .75s steps(1,end) infinite}
@keyframes blink{50%{opacity:0}}
.last-update{text-align:right;color:#a7b7ff;font-size:.88rem}
.profile-table{border:4px ridge #a7a7cc;background:#00002b}
.profile-table>div{display:grid;grid-template-columns:175px minmax(0,1fr);border-bottom:1px solid #6875bc}
.profile-table>div:last-child{border-bottom:0}
.profile-table b,.profile-table span{padding:10px 12px}
.profile-table b{color:#ffff66;background:#18185a;border-right:1px solid #6875bc}
.center{text-align:center}
.question-link{font-weight:bold}
.under-construction{margin:15px auto 0;padding:9px;border:2px dashed #ffdf00;background:#151500;color:#ffef00;text-align:center}
.under-construction span{color:#ff6a00}
.work-item{padding:0 0 17px;margin:0 0 18px;border-bottom:1px dotted #667}
.work-item:last-child{border-bottom:0}
.work-item h3{margin:0 0 6px;color:#64f8ff}
.work-item p{margin:4px 0}
.fly-game-section>p{max-width:620px;margin-left:auto;margin-right:auto}
.game-controls{padding:9px 12px;border:2px dotted #00ffff;background:#000021;color:#f5f5ff}
.game-scoreboard{display:grid;max-width:480px;margin:16px auto;padding:10px 14px;border:4px ridge #a7a7cc;background:#000;color:#ffff00;gap:8px}
.game-stat{display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:"Courier New",monospace;font-weight:bold}
.game-counter{min-width:134px;padding:4px 8px;font-size:1.25rem;letter-spacing:.14em}
.game-time-counter{min-width:70px;letter-spacing:.08em}
.game-time-counter--last-five{color:#ff6767;text-shadow:1px 1px #710000}
.game-start-wrap{text-align:center}
.game-start-button{min-width:190px;min-height:44px;margin:2px auto 14px;padding:6px 16px;border:4px outset #ddd;border-radius:0;background:#d4d4d4;color:#000080;font-weight:bold}
.game-start-button:active{border-style:inset}
.game-start-button:disabled{cursor:default;color:#555}
.fly-game-area{position:relative;width:100%;max-width:480px;height:320px;margin:0 auto;overflow:hidden;border:5px inset #b7b7b7;background-color:#ffffe0;background-image:radial-gradient(#e1dca8 1px,transparent 1px);background-size:12px 12px;color:#000}
.game-countdown{position:absolute;left:50%;top:50%;z-index:1;margin:0;transform:translate(-50%,-50%);color:#777;font-family:"Courier New",monospace;font-size:clamp(5rem,28vw,9rem);font-weight:900;line-height:1;opacity:.35;pointer-events:none;user-select:none}
.game-countdown[hidden]{display:none}
.game-countdown--active{animation:countdown-fade .82s ease-out both}
@keyframes countdown-fade{0%{opacity:0;transform:translate(-50%,-50%) scale(1.12)}20%{opacity:.35;transform:translate(-50%,-50%) scale(1.03)}100%{opacity:0;transform:translate(-50%,-50%) scale(.9)}}
.game-fly{position:absolute;left:0;top:0;z-index:2;display:flex;width:48px;height:48px;min-width:48px;min-height:48px;align-items:center;justify-content:center;margin:0;padding:0;border:2px solid transparent;border-radius:0;background:transparent;touch-action:manipulation;-webkit-tap-highlight-color:transparent;will-change:transform}
.game-fly:hover,.game-fly:focus-visible{background:#fff8a8;color:#000}
.fly-emoji{display:block;font-size:1.8rem;line-height:1;filter:grayscale(1) brightness(.35)}
.game-fly--silver{border-color:#777;border-style:dashed;background:#f5f5f5}
.game-fly--silver .fly-emoji{filter:grayscale(1) saturate(0) brightness(1.25)}
.game-fly--gold{border-color:#9a5a00;border-style:double;background:#fff7cb}
.game-fly--gold .fly-emoji{filter:sepia(1) saturate(6) hue-rotate(355deg) brightness(1.08)}
.fly-marker{position:absolute;right:-3px;top:-9px;font-family:"MS Gothic","ＭＳ ゴシック",monospace;font-size:1.25rem;font-weight:bold;line-height:1;text-shadow:1px 1px #fff,-1px -1px #fff;pointer-events:none}
.game-fly--silver .fly-marker{color:#505050}
.game-fly--gold .fly-marker{color:#9a4e00}
.game-hit{position:absolute;z-index:3;padding:1px 5px;border:2px outset #fff;background:#000080;color:#ffff00;font-weight:bold;line-height:1.5;white-space:nowrap;pointer-events:none;animation:hit-pop .3s steps(2,end)}
@keyframes hit-pop{50%{transform:translateY(-5px) scale(1.08)}}
.game-result{position:absolute;left:50%;top:50%;z-index:4;width:min(calc(100% - 24px),390px);padding:16px 10px;transform:translate(-50%,-50%);border:5px ridge #fff;background:#000080;color:#ffff00;font-weight:bold;line-height:1.65;text-align:center;text-shadow:1px 1px #d000b8}
.game-result[hidden]{display:none}
.game-result p{margin:3px 0}
.game-result-title{font-size:1.45rem}
.game-result-score{font-family:"Courier New",monospace;font-size:1.22rem;letter-spacing:.04em}
.game-result-breakdown{margin:8px 0 0;padding:8px 4px 0;border-top:1px dotted #fff;list-style:none;font-family:"Courier New","MS Gothic","ＭＳ ゴシック",monospace;font-size:.95rem;text-align:left;text-shadow:none}
.game-result-breakdown li{margin:2px 0;white-space:pre}
.game-ranking-form{max-width:480px;margin:14px auto 0}
.game-ranking-form[hidden]{display:none}
.game-ranking-form fieldset{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;border:4px ridge #aaa;background:#08083d;padding:14px}
.game-ranking-form legend{padding:0 8px;color:#ff63dc;font-weight:bold;text-align:center}
.game-ranking-form label{color:#fff;font-weight:bold}
.game-ranking-form input{width:100%;min-width:0;border:3px inset #bbb;border-radius:0;background:#fff;color:#000;padding:7px}
.game-ranking-buttons{grid-column:1/-1;display:flex;justify-content:center;gap:12px}
.game-ranking-buttons button{min-height:42px;padding:4px 18px;border:4px outset #ddd;border-radius:0;background:#d4d4d4;color:#000;font-weight:bold}
.game-ranking-buttons button:active{border-style:inset}
.game-ranking-buttons button:disabled{cursor:wait;opacity:.65}
.game-entry-status{grid-column:1/-1;min-height:1.75em;margin:0;color:#ffff00;text-align:center}
.game-high-message{min-height:1.75em;margin:10px auto 0;color:#ff63dc;font-size:1.05rem;font-weight:bold;text-align:center}
.game-note{margin:2px auto 0!important;color:#bdeeff;font-size:.82rem;text-align:center}
.game-ranking{max-width:620px;margin:26px auto 0;padding-top:18px;border-top:2px dotted #7487ff}
.game-ranking h3{margin:0 0 12px;color:#ffff00;text-align:center;text-shadow:1px 1px #c700ae}
.game-ranking-table-wrap{padding:8px;border:4px ridge #9898ba;background:#08083d}
.game-ranking-table{width:100%;border-spacing:2px;table-layout:fixed;color:#111;text-align:center}
.game-ranking-table th{padding:6px 4px;border:2px outset #b7b7b7;background:#d4d4d4;color:#000080}
.game-ranking-table td{padding:7px 4px;border:2px inset #c5c5b2;background:#e9e9d8}
.game-ranking-table th:nth-child(1),.game-ranking-table td:nth-child(1){width:13%}
.game-ranking-table th:nth-child(2),.game-ranking-table td:nth-child(2){width:39%;overflow-wrap:anywhere}
.game-ranking-table th:nth-child(3),.game-ranking-table td:nth-child(3){width:27%}
.game-ranking-table th:nth-child(4),.game-ranking-table td:nth-child(4){width:21%}
.game-ranking-score{font-family:"Courier New",monospace;font-weight:bold;font-variant-numeric:tabular-nums}
.game-ranking-empty{margin:9px 4px 3px;color:#bdeeff;text-align:center}
.game-ranking-empty[hidden]{display:none}
.game-ranking-status{min-height:1.75em;margin:7px 0 0;color:#ffff00;text-align:center}
.diary-entry{padding:18px;border:4px groove #9090c0;background:#f1efd9;color:#111;font-family:"MS Mincho","ＭＳ 明朝","Yu Mincho",serif}
.diary-entry time{display:block;padding-bottom:6px;border-bottom:1px solid #777;font-weight:bold}
.diary-entry h3{margin:12px 0}
.bbs-note{color:#bdeeff;text-align:center}
.bbs-post{padding:14px 16px;border:2px outset #9898ba;background:#e9e9d8;color:#111}
.bbs-post+.bbs-post{margin-top:12px}
.bbs-post.reply{margin-left:34px;background:#dfeeff}
.bbs-post h3{margin:0 0 4px;color:#000080}
.bbs-post p{margin:5px 0}
.bbs-meta{font-size:.88rem;color:#444}
.bbs-form{margin-top:24px}
.bbs-form fieldset{border:4px ridge #aaa;background:#08083d;padding:14px}
.bbs-form legend{padding:0 8px;color:#ffff00;font-weight:bold}
.bbs-form label{display:grid;grid-template-columns:100px minmax(0,1fr);align-items:start;gap:10px;margin:10px 0;color:#fff}
.bbs-form input,.bbs-form textarea{width:100%;min-width:0;border:3px inset #bbb;border-radius:0;background:#fff;color:#000;padding:7px}
.website-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.form-buttons{display:flex;justify-content:center;gap:12px;margin-top:14px}
.form-buttons button{min-height:42px;padding:4px 18px;border:4px outset #ddd;border-radius:0;background:#d4d4d4;color:#000;font-weight:bold}
.form-buttons button:active{border-style:inset}
.form-buttons button:disabled{cursor:wait;opacity:.65}
.bbs-status{min-height:1.75em;text-align:center;color:#ffff00}
.link-list{padding-left:25px}
.mutual-link{margin:22px auto;color:#ff63dc;text-align:center;font-size:1.2rem;font-weight:bold;animation:rainbow 1.4s steps(3,end) infinite}
.link-banner{display:flex;width:min(100%,240px);height:60px;margin:14px auto;flex-direction:column;align-items:center;justify-content:center;border:4px outset #b8b8b8;background:repeating-linear-gradient(135deg,#00004c 0 8px,#08268a 8px 16px);color:#ffff00!important;text-decoration:none;text-shadow:2px 2px #d000a8}
.link-banner span{font-family:"Arial Black",sans-serif;font-size:1.25rem;letter-spacing:.08em}
.link-banner small{color:#00ffff;font-size:.65rem;letter-spacing:.16em}
.page-actions{padding:18px;text-align:center;background:#000}
.retro-footer{text-align:center;background:#000;color:#bababa;font-size:.88rem}
.retro-footer p{margin:2px 0}
.retro-footer .recommend{margin-top:17px;color:#fff}
@media (max-width:640px){
  body{font-size:16px;line-height:1.7}
  .retro-shell{width:100%;margin:0;border-width:2px;box-shadow:none}
  .retro-header,.retro-section,.retro-footer{padding:18px 16px}
  .mobile-break{display:block}
  .counter-area{gap:6px}
  .digital-counter{min-width:130px;font-size:1.55rem}
  .news dl div{grid-template-columns:1fr;gap:2px}
  .profile-table>div{grid-template-columns:1fr}
  .profile-table b{border-right:0;border-bottom:1px solid #6875bc}
  .game-scoreboard{padding:9px}
  .game-stat{gap:6px}
  .game-counter{min-width:122px;font-size:1.08rem}
  .game-time-counter{min-width:64px}
  .game-result{width:calc(100% - 16px);padding:13px 6px}
  .game-result-breakdown{font-size:.875rem}
  .game-ranking-form fieldset{grid-template-columns:1fr;gap:6px}
  .game-ranking-buttons,.game-entry-status{grid-column:1}
  .game-ranking-table{font-size:.875rem}
  .game-ranking-table th,.game-ranking-table td{padding:6px 2px}
  .bbs-post.reply{margin-left:15px}
  .bbs-form label{grid-template-columns:1fr;gap:3px}
  .retro-nav{gap:3px 10px}
  .retro-nav a{min-height:46px}
  .ticker div{animation-duration:14s}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .construction span,.hit-message,.new-badge,.mutual-link,.ticker div,.game-hit{animation:none}
  .game-countdown--active{animation:none;opacity:.35;transform:translate(-50%,-50%)}
  .ticker{white-space:normal}
  .ticker div{width:auto;padding:5px 8px}
}