:root{
  /* Layout: one phone-sized column; every screen fills it. Dusk cabin light behind, the seat map and the camera finder in front. */
  --night:#0d1024; --night-2:#151a37; --night-3:#1e2448; --dusk:#2f2654;
  --gold:#ffc978; --gold-2:#ffe2ad; --gold-soft:rgba(255,201,120,.13); --ember:#ff8a5c;
  --ink:#f3ece4; --ink-2:#d9d1d4; --mist:#a6a2c3; --rule:rgba(243,236,228,.13);
  --ok:#8fe3b0; --bad:#ff7b7b; --diamond:#9fd8ff;
  --display:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;
  --body:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;
  --data:"Martian Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{height:100%;background:var(--night)}
body{
  height:100%;margin:0;overflow:hidden;color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6;
  background-color:var(--night);
  background-image:radial-gradient(120% 340px at 50% -80px,rgba(255,138,92,.22),transparent 70%),linear-gradient(180deg,var(--dusk) 0,var(--night) 460px);
  background-repeat:no-repeat;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;
}
button{font:inherit;color:inherit}
canvas.px{image-rendering:pixelated;image-rendering:crisp-edges;display:block}
#app{position:relative;height:100%;max-width:480px;margin-inline:auto}
.screen{
  position:absolute;inset:0;display:flex;flex-direction:column;gap:14px;overflow-y:auto;overscroll-behavior:contain;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:14px 20px;
  padding-top:max(14px,env(safe-area-inset-top,0px));padding-bottom:max(20px,env(safe-area-inset-bottom,0px));
}
.screen > *{flex-shrink:0}
.screen.fit{overflow:hidden;gap:10px}
.eyebrow{margin:0;font-family:var(--data);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--mist)}
.mono{font-family:var(--data);font-variant-numeric:tabular-nums}
.btn{
  appearance:none;border:1px solid var(--rule);background:transparent;border-radius:999px;cursor:pointer;
  min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;letter-spacing:.04em;
  transition:transform .12s ease,background-color .2s ease,opacity .2s ease;
}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--gold);border-color:var(--gold);color:var(--night)}
.btn.ghost{color:var(--ink)}
.btn[disabled]{opacity:.38;cursor:default;transform:none}
.btn small{font-weight:500;font-size:12px;opacity:.85}
.link{appearance:none;background:none;border:0;padding:6px 4px;color:var(--mist);font-size:13px;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
button:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row > *{flex:1 1 140px}

/* title */
#scr-title{justify-content:center;align-items:stretch;text-align:center}
.title-art{width:min(100%,300px,38vh);aspect-ratio:1;margin-inline:auto;border-radius:18px;overflow:hidden;border:1px solid var(--rule);background:#000}
.title-art canvas{width:100%;height:100%;display:block}
.logo{margin:4px 0 0;font-family:var(--display);font-weight:800;font-size:clamp(36px,11.6vw,54px);line-height:1;letter-spacing:.03em;white-space:nowrap}
.logo span{color:var(--gold);margin-left:.05em}
.catch{margin:0;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.36em;color:var(--ink-2)}
.record{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid var(--rule);text-align:left}
.record > div{display:flex;flex-direction:column;gap:2px;padding:9px 10px;min-width:0}
.record > div + div{border-left:1px solid var(--rule)}
.record .k{font-size:10.5px;color:var(--mist);letter-spacing:.06em}
.record .v{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.title-actions{display:flex;flex-direction:column;gap:10px}
.title-foot{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 18px}

/* select */
.bar{display:flex;align-items:center;gap:8px 14px;flex-wrap:wrap;padding-bottom:10px;border-bottom:1px solid var(--rule)}
.bar .back{margin-right:auto}
.stat{display:flex;flex-direction:column;line-height:1.25}
.stat .k{font-size:10px;color:var(--mist);letter-spacing:.08em}
.stat .v{font-weight:700;font-size:14px}
.h2{margin:0;font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.04em}
.lead{margin:0;font-size:13px;color:var(--mist)}
.flight{border:1px solid var(--rule);border-radius:14px;background:var(--night-2);overflow:hidden;display:flex;flex-direction:column}
.flight header{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 14px;background:linear-gradient(90deg,var(--al) 0 5px,transparent 5px)}
.flight .al{font-weight:700;font-size:13px}
.flight .dep{font-size:12px;color:var(--mist)}
.route{display:flex;align-items:baseline;gap:10px;padding:2px 14px 8px;font-family:var(--display);font-weight:800;font-size:22px}
.route i{font-style:normal;font-family:var(--data);font-size:14px;color:var(--gold)}
.spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 12px;margin:0;padding:0 14px 12px}
.spec div{min-width:0}
.spec dt{font-size:10.5px;color:var(--mist);letter-spacing:.06em}
.spec dd{margin:0;font-size:13.5px;font-weight:500}
.spec dd small{display:block;font-size:11.5px;color:var(--mist);font-weight:400}
.elite b{font-weight:700;letter-spacing:.12em}
.elite .d{color:var(--diamond)} .elite .g{color:var(--gold)} .elite .dim{opacity:.35}
.elite b .sp{display:inline-block;min-width:1.4em;margin-right:4px;padding:0 4px;border-radius:5px;background:#2a1d2c;color:#ffd36b;font-size:12px;text-align:center;letter-spacing:0}
.spec dd small.sp{color:#ffd36b}
.elite b .sp.yami{background:#3a0f1c;color:#ff8a8a} .spec dd small.sp.yami{color:#ff9a9a}
.book{display:flex;gap:1px;background:var(--rule);border-top:1px solid var(--rule)}
.book button{flex:1;appearance:none;border:0;background:var(--night-2);padding:11px 8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:1px;font-weight:700;font-size:14px}
.book button small{font-weight:500;font-size:11.5px;color:var(--mist)}
.book button.f{color:var(--gold)}
.book button[disabled]{opacity:.4;cursor:default}
.book button:not([disabled]):active{background:var(--night-3)}

/* battle */
.b-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.b-flight{font-size:12.5px;color:var(--mist);line-height:1.4;min-width:0}
.b-flight b{display:block;color:var(--ink);font-size:14px}
.b-flight .song{display:block;color:var(--gold);font-size:11.5px;margin-top:1px}
.b-clock{font-family:var(--data);font-size:20px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--gold-2)}
.stages{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap}
.stages li{font-size:11.5px;padding:3px 10px;border-radius:999px;border:1px solid var(--rule);color:var(--mist);white-space:nowrap}
.stages li.now{border-color:var(--gold);color:var(--gold)}
.stages li.done{opacity:.45}
.stages li.you::after{content:attr(data-you);margin-left:6px;font-size:10px;padding:0 6px;border-radius:999px;background:var(--gold);color:var(--night)}
.map-wrap{position:relative;flex:0 1 auto;min-height:0;overflow:hidden;border-radius:120px 120px 16px 16px / 60px 60px 16px 16px;border:1px solid var(--rule);background:var(--night-2)}
.map-wrap::after{content:"";position:absolute;inset:auto 0 0;height:44px;background:linear-gradient(transparent,var(--night-2));pointer-events:none}
.map{padding:30px 14px 40px;display:flex;flex-direction:column;gap:6px;transition:opacity .1s}
.map.loading{opacity:.35}
.map .nose{text-align:center;font-family:var(--data);font-size:10px;letter-spacing:.2em;color:var(--mist);margin-top:-14px}
.map .cls{font-size:10.5px;letter-spacing:.12em;color:var(--mist);text-align:center;margin-top:4px}
.map .cls.f{color:var(--gold)}
.grid{display:grid;gap:6px;align-items:center}
.grid.c{grid-template-columns:1fr 20px 1fr 1fr 20px 1fr}
.grid.f{grid-template-columns:1fr 26px 1fr 26px 1fr}
.grid .hd{text-align:center;font-family:var(--data);font-size:10px;color:var(--mist)}
.grid .rn{text-align:center;font-family:var(--data);font-size:10px;color:var(--mist)}
.seat{
  appearance:none;height:38px;border-radius:9px 9px 5px 5px;border:1.5px solid rgba(243,236,228,.35);background:transparent;
  font-family:var(--data);font-size:11px;color:var(--ink-2);cursor:pointer;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;
}
.grid.f .seat{height:44px}
.seat.taken{border-color:transparent;background:rgba(243,236,228,.08);color:rgba(243,236,228,.3)}
.seat.blocked{border-color:rgba(243,236,228,.18);color:rgba(243,236,228,.45);background:repeating-linear-gradient(135deg,rgba(243,236,228,.07) 0 4px,transparent 4px 8px)}
.seat.free{background:rgba(143,227,176,.08);border-color:rgba(143,227,176,.55);color:var(--ok)}
.seat small{font-family:var(--body);font-size:9px;letter-spacing:.02em}
.seat.one{border-color:var(--gold);color:var(--gold);font-weight:600;font-size:13px}
.seat.one.free{background:var(--gold);color:var(--night);box-shadow:0 0 0 4px var(--gold-soft),0 0 24px rgba(255,201,120,.6)}
.seat.one.elite{background:var(--gold-soft)}
.seat.one.taken{border-color:rgba(255,123,123,.6);color:var(--bad);background:rgba(255,123,123,.08)}
.seat.one.mine{background:var(--gold);color:var(--night)}
.seat.shake{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.busy,.banner{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;padding:20px;background:rgba(13,16,36,.82);font-weight:700}
.busy small{font-weight:400;color:var(--mist);font-size:12px}
.spin{width:22px;height:22px;border-radius:50%;border:2px solid var(--rule);border-top-color:var(--gold);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.banner{background:rgba(13,16,36,.7)}
.banner .big{font-family:var(--display);font-weight:800;font-size:34px;color:var(--gold);letter-spacing:.06em}
.banner.lose .big{color:var(--ink-2);font-size:24px}
.banner p{margin:0;font-weight:500;font-size:13px;color:var(--ink-2)}
.ticker{margin:auto 0 0;min-height:22px;font-size:12.5px;color:var(--mist);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticker b{color:var(--ink-2);font-weight:500}
.b-foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px}
.jam{display:flex;flex-direction:column;gap:4px}
.jam .k{font-size:10.5px;color:var(--mist)}
.pips{display:flex;gap:3px}
.pips i{width:14px;height:6px;border-radius:2px;background:var(--rule)}
.pips i.on{background:var(--ember)}
.refresh{
  position:relative;appearance:none;width:92px;height:92px;border-radius:50%;border:0;cursor:pointer;
  background:var(--night-3);color:var(--ink);font-weight:700;font-size:17px;letter-spacing:.1em;
  box-shadow:inset 0 0 0 1.5px rgba(255,201,120,.5);
}
.refresh .ring{position:absolute;inset:-7px;border-radius:50%;border:2px solid var(--gold);opacity:calc(var(--p,0) * .9);transform:scale(calc(1 + var(--p,0) * .06))}
.refresh:active{background:#262d57}
.refresh[disabled]{opacity:.5}
.judge{justify-self:end;text-align:right;font-size:12.5px;font-weight:700;min-height:20px}
.judge.just{color:var(--gold)} .judge.miss{color:var(--ember)}

/* day-of */
.gate{border-radius:14px;overflow:hidden;border:1px solid var(--rule)}
.gate canvas{width:100%;height:auto;display:block}
.notice{border-radius:16px;background:var(--ink);color:var(--night);padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.notice .app{display:flex;justify-content:space-between;font-size:11px;color:#5d5876}
.notice .app b{display:flex;align-items:center;gap:6px;color:#2c2846}
.notice .app b::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--al)}
.notice h3{margin:0;font-size:16px}
.notice p{margin:0;font-size:13.5px;line-height:1.65}
.choices{display:flex;flex-direction:column;gap:10px}
.say{margin:0;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* camera */
.c-head{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12.5px;color:var(--mist)}
.c-time{flex:0 0 96px;height:6px;border-radius:3px;background:var(--rule);overflow:hidden}
.c-time span{display:block;height:100%;width:100%;background:var(--gold);transform-origin:left}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chips span{font-size:12px;font-weight:700;padding:3px 11px;border-radius:999px;border:1px solid var(--rule);color:var(--mist)}
.chips span.ok{border-color:var(--ok);color:var(--ok)}
.chips span.warn{border-color:var(--gold);color:var(--gold)}
.chips span.bad{border-color:var(--bad);color:var(--bad)}
.finder{position:relative;align-self:center;border-radius:6px;overflow:hidden;touch-action:none;cursor:grab;background:#000;flex:0 0 auto}
.finder canvas{width:100%;height:100%}
.finder .grid3{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(90deg,transparent calc(33.3% - .5px),rgba(255,255,255,.18) calc(33.3% - .5px) calc(33.3% + .5px),transparent 0,transparent calc(66.6% - .5px),rgba(255,255,255,.18) calc(66.6% - .5px) calc(66.6% + .5px),transparent 0),
  linear-gradient(180deg,transparent calc(33.3% - .5px),rgba(255,255,255,.18) calc(33.3% - .5px) calc(33.3% + .5px),transparent 0,transparent calc(66.6% - .5px),rgba(255,255,255,.18) calc(66.6% - .5px) calc(66.6% + .5px),transparent 0)}
.finder .flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.finder .hint{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);margin:0;padding:4px 12px;border-radius:999px;background:rgba(13,16,36,.7);font-size:12px;white-space:nowrap;pointer-events:none;transition:opacity .4s}
.announce{position:absolute;left:8px;right:8px;top:8px;padding:8px 12px;border-radius:10px;background:rgba(13,16,36,.82);font-size:12.5px;line-height:1.5;pointer-events:none}
.c-foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.thumb{width:64px;height:80px;border-radius:6px;border:1px solid var(--rule);overflow:hidden;position:relative;background:var(--night-2)}
.thumb canvas{width:100%;height:100%}
.shutter{appearance:none;width:78px;height:78px;border-radius:50%;border:4px solid var(--ink);background:var(--ink);box-shadow:inset 0 0 0 4px var(--night);cursor:pointer}
.shutter:active{transform:scale(.94)}
.c-foot .btn{justify-self:end;padding:0 16px}

/* post */
.post{border:1px solid var(--rule);border-radius:16px;background:var(--night-2);padding:14px;display:flex;flex-direction:column;gap:10px}
.post .who{display:flex;align-items:center;gap:10px}
.post .who canvas{width:40px;height:40px;border-radius:50%}
.post .who b{display:block;font-size:14px}
.post .who span{font-size:12px;color:var(--mist)}
.post .txt{margin:0;font-size:15px;line-height:1.6}
.post .txt em{font-style:normal;color:var(--diamond)}
.post .pic{border-radius:12px;overflow:hidden;border:1px solid var(--rule);align-self:center;width:min(100%,300px)}
.post .pic canvas{width:100%;height:auto}
.acts{display:flex;gap:22px;align-items:center;color:var(--mist);font-size:13.5px;position:relative}
.acts span{display:inline-flex;align-items:center;gap:6px}
.acts .likes{color:var(--ember);font-weight:700;font-family:var(--data);font-variant-numeric:tabular-nums}
.acts svg{width:18px;height:18px}
.heart{position:absolute;left:4px;bottom:6px;color:var(--ember);font-size:14px;pointer-events:none;animation:rise 1.4s ease-out forwards}
@keyframes rise{to{transform:translate(var(--dx,0),-70px);opacity:0}}
.replies{display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--rule);padding-top:10px}
.reply{font-size:13px;line-height:1.5;animation:fadein .4s ease both}
.reply b{color:var(--mist);font-weight:500;margin-right:6px}
@keyframes fadein{from{opacity:0;transform:translateY(4px)}}
.posting{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;flex:1;color:var(--mist)}

/* result */
.res{display:flex;flex-direction:column;border-block:1px solid var(--rule)}
.res > div{display:flex;justify-content:space-between;gap:12px;padding:9px 2px;border-bottom:1px solid var(--rule);font-size:14px}
.res > div:last-child{border-bottom:0}
.res .k{color:var(--mist);flex:0 0 auto}
.res .v{text-align:right;font-weight:700;min-width:0}
.res .v small{display:block;font-weight:400;font-size:12px;color:var(--mist)}
.plus{color:var(--ok)} .minus{color:var(--ember)}
.card{display:flex;gap:12px;align-items:center;padding:10px;border:1px solid var(--gold);border-radius:12px;background:var(--gold-soft)}
.card canvas{width:56px;height:78px;border-radius:6px}
.card b{display:block;color:var(--gold)}
.card span{font-size:12.5px;color:var(--ink-2)}
.newtitle{font-family:var(--display);font-weight:800;font-size:20px;color:var(--gold)}
.album{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld > span{font-size:12px;color:var(--mist);letter-spacing:.06em}
.fld input{appearance:none;height:48px;padding:0 14px;border-radius:12px;border:1px solid var(--rule);background:var(--night-2);color:var(--ink);font:inherit;font-size:16px}
.fld input::placeholder{color:rgba(243,236,228,.35)}
.fld input:focus{outline:2px solid var(--gold);outline-offset:1px}
.overlay .fld-note{margin:-8px 0 0;font-size:12px;color:var(--mist)}
.seg{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.seg button{appearance:none;display:flex;flex-direction:column;align-items:flex-start;gap:1px;padding:10px 14px;border-radius:12px;border:1px solid var(--rule);background:var(--night-2);cursor:pointer;text-align:left}
.seg button b{font-size:15px}
.seg button small{font-size:12px;color:var(--mist)}
.seg button[aria-checked="true"]{border-color:var(--gold);background:var(--gold-soft)}
.seg button[aria-checked="true"] b{color:var(--gold)}
.jb{display:flex;flex-direction:column;gap:6px}
.jb h3{margin:8px 0 0;font-family:var(--data);font-size:10px;font-weight:400;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.jb button{appearance:none;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:0 10px;text-align:left;padding:9px 14px;border-radius:12px;border:1px solid var(--rule);background:var(--night-2);cursor:pointer}
.jb button b{font-size:14.5px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.jb button span{grid-column:1;font-size:12px;color:var(--mist)}
.jb button i{grid-column:2;grid-row:1 / span 2;font-style:normal;font-family:var(--data);font-size:11px;color:var(--mist)}
.jb button.on{border-color:var(--gold);background:var(--gold-soft)}
.jb button.on b,.jb button.on i{color:var(--gold)}
.jb button:active{background:var(--night-3)}
.album canvas{width:100%;height:auto;border-radius:4px;border:1px solid var(--rule)}

/* overlay, toast */
.overlay{position:absolute;inset:0;z-index:20;background:rgba(9,11,26,.9);display:flex;flex-direction:column;gap:14px;overflow-y:auto;
  padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px));padding-block:28px 24px;
  padding-top:max(28px,env(safe-area-inset-top,0px));padding-bottom:max(24px,env(safe-area-inset-bottom,0px))}
.overlay h2{margin:0;font-family:var(--display);font-weight:800;font-size:24px}
.overlay ol{margin:0;padding-left:1.3em;display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.overlay ol b{color:var(--ink)}
.overlay p{margin:0;color:var(--ink-2);line-height:1.7}
.toast{position:absolute;z-index:30;left:50%;top:max(14px,env(safe-area-inset-top,0px));transform:translateX(-50%);max-width:calc(100% - 32px);padding:8px 14px;border-radius:12px;background:var(--ink);color:var(--night);font-size:13px;font-weight:700;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.35)}
@media (prefers-reduced-motion:reduce){
  .btn,.seat,.map{transition:none}
  .seat.shake,.spin,.heart,.reply{animation:none}
}

/* ---- standalone page additions ---- */
[hidden]{display:none!important}
html{touch-action:manipulation;-webkit-text-size-adjust:100%}
img{max-width:100%}
noscript p{margin:40px 20px;color:#f3ece4;font:15px/1.7 system-ui,sans-serif;text-align:center}