:root{color-scheme:dark;--ink:#e6dfd3;--muted:#929da5;--gold:#ceb47d;--cyan:#9bd8d1;--plum:#d27b8b;--line:#b9bca525;--panel:#10191f}
*{box-sizing:border-box}body{margin:0;background:#0b1116;color:var(--ink);font:14px/1.6 'Yu Gothic','Hiragino Sans',Meiryo,sans-serif}button,input,select{font:inherit}button,a,label.file-picker{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:1px solid var(--line);background:#151f26;padding:8px 13px;border-radius:4px}button:hover:not(:disabled){background:#243138;border-color:var(--cyan)}button:disabled{opacity:.4;cursor:default}a{color:var(--cyan);text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,#chamber-viewport:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}input[type=range]{accent-color:var(--cyan);min-width:0}input[type=checkbox]{accent-color:var(--cyan)}[hidden]{display:none!important}
.masthead{height:78px;display:flex;align-items:center;gap:28px;padding:0 max(26px,4vw);border-bottom:1px solid var(--line);background:#0c1318}.brand{font:22px Georgia,serif;letter-spacing:.2em;color:var(--gold);text-decoration:none}.brand span{font:11px monospace;letter-spacing:.26em;margin-left:13px;color:#a3afba}.edition{font:12px 'Yu Mincho',serif;letter-spacing:.18em;color:#a5adad}.atelier-link{font-size:11px;margin-left:auto;text-decoration:none}main{max-width:1480px;margin:auto;padding:32px 4vw 0}.introduction{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}.eyebrow{font:10px/1.5 monospace;letter-spacing:.18em;color:var(--gold);margin:0 0 11px}h1{font:36px/1.5 'Yu Mincho','Hiragino Mincho ProN',serif;letter-spacing:.13em;margin:0}.introduction p:not(.eyebrow){font-size:12px;color:var(--muted);margin:9px 0 0}.seal{font:11px/1.25 'Yu Mincho',serif;writing-mode:vertical-rl;color:#ca98a0;border:1px solid #8c535e;padding:5px 3px;margin-left:18px;vertical-align:middle}.preview-note{text-align:right;line-height:1.9}.preview-note small{font-size:10px;color:#88959e}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#92bfae;margin-right:5px}
.chamber-layout{display:grid;grid-template-columns:minmax(0,1fr) 278px;gap:22px;align-items:start}.board-card{min-width:0;border:1px solid #648a8e55;background:#0d171f;border-radius:8px;overflow:hidden}.board-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);color:#d5d0bf;letter-spacing:.07em}.board-caption small{color:#849eaa;font:9px monospace;letter-spacing:.14em;margin-left:12px}.board-caption button{font-size:11px;background:transparent}.stage{height:clamp(420px,47vw,640px);position:relative;isolation:isolate;background:radial-gradient(ellipse,#151e22,#070c11 75%);overflow:hidden}#chamber-viewport{position:absolute;inset:0;touch-action:pan-y}#chamber-viewport canvas{display:block;width:100%;height:100%}#stage-status{position:absolute;inset:40% 24px auto;text-align:center;color:var(--cyan);z-index:3;font-size:13px}#stage-status button{pointer-events:auto}.stage-corners{position:absolute;inset:18px;pointer-events:none;border:1px solid #b7ccbe20;clip-path:polygon(0 0,24px 0,24px 1px,1px 1px,1px 24px,0 24px,0 0,100% 0,100% 24px,calc(100% - 1px) 24px,calc(100% - 1px) 1px,calc(100% - 24px) 1px,calc(100% - 24px) 0,100% 0,100% 100%,calc(100% - 24px) 100%,calc(100% - 24px) calc(100% - 1px),calc(100% - 1px) calc(100% - 1px),calc(100% - 1px) calc(100% - 24px),100% calc(100% - 24px),100% 100%,0 100%,0 calc(100% - 24px),1px calc(100% - 24px),1px calc(100% - 1px),24px calc(100% - 1px),24px 100%,0 100%)}.position-label{position:absolute;bottom:12px;left:24px;right:24px;text-align:center;font:10px/1.6 monospace;color:#bec9c9;letter-spacing:.15em;pointer-events:none;text-shadow:0 1px 4px #000;background:#091219c7;width:fit-content;max-width:calc(100% - 48px);margin:0 auto;padding:4px 10px;border-radius:3px}
.event-readout{padding:18px 22px 15px;border-top:1px solid var(--line);display:grid;gap:5px;min-height:110px;background:linear-gradient(110deg,#18332c44,transparent)}.event-readout>span{font:10px/1.5 monospace;letter-spacing:.15em;color:var(--cue-color,var(--cyan))}.event-readout strong{font:19px/1.7 'Yu Mincho',serif;letter-spacing:.06em;font-weight:400}.event-readout small{font-size:10px;color:var(--muted)}.cue-controls{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;padding:0 20px 18px}.cue-controls button{padding:11px 4px;display:grid;gap:3px}.cue-controls b{font:15px 'Yu Mincho',serif;font-weight:400}.cue-controls small{font-size:9px;color:#93a5ad}.cue-controls button[aria-pressed=true]{border-color:var(--cue-color,var(--cyan));background:#22333c}.board-options{padding:13px 20px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line)}.board-options button{padding:5px 8px;font-size:11px;background:transparent}.board-options button[aria-pressed=true]{color:var(--cyan);border-color:#66999288}.board-options label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:9px}.board-options input{width:85px}.board-options output{font:10px monospace;min-width:30px;color:var(--cyan)}#audio-status{padding:0 20px 13px;margin:0}#zoom-reset{margin-left:auto}
.cast-card{border:1px solid #b3987255;border-radius:8px;background:#131a1e;overflow:hidden}.cast-heading{display:flex;align-items:center;justify-content:space-between;padding:16px 19px}.cast-heading p{margin:0}.cast-heading>span{font:16px Georgia,serif;color:#7f8e97}.portrait-frame{position:relative;aspect-ratio:3/4;overflow:hidden;margin:0 12px;border:1px solid #bfa47855;background:#171e23}.character-art{position:absolute;inset:0;background-image:url('./cast/eight-generals.jpg');background-size:400% 200%;background-position:33.333% 0;background-repeat:no-repeat}.portrait-shade{position:absolute;inset:55% 0 0;background:linear-gradient(transparent,#0b1216 90%)}.character-state{position:absolute;right:11px;top:12px;font:17px 'Yu Mincho',serif;writing-mode:vertical-rl;color:#d4c1a0;border:1px solid #d2bd9077;background:#0a111ade;padding:10px 5px;letter-spacing:.2em}.character-titles{position:absolute;bottom:16px;left:17px;right:17px}.character-titles small{color:#dbbd7a;letter-spacing:.24em;font:9px monospace}.character-titles h2{font:32px/1.4 'Yu Mincho',serif;letter-spacing:.18em;margin:3px 0}.character-titles p{margin:0;color:#bac6c8;font-size:11px;letter-spacing:.12em}.character-line{font:15px/1.9 'Yu Mincho',serif;letter-spacing:.06em;color:#d5c3a8;padding:2px 20px;min-height:58px}.cast-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;padding:0 15px 12px}.cast-selector button{padding:9px 0;background:#0e171d;display:grid;gap:3px}.cast-selector b{font:21px 'Yu Mincho',serif;font-weight:400}.cast-selector small{font-size:8px;color:var(--muted)}.cast-selector button[aria-pressed=true]{color:var(--gold);background:#372d2070;border-color:#b99a63}.cast-card>.minor{padding:0 19px 13px}.minor{font-size:10px;line-height:1.9;color:#96a3ab}.portrait-frame.awakened{border-color:#b57080}.awakened .character-state{color:#ffd1d5;border-color:#d08292}.awakened .character-titles small{color:#efb4bd}
#board-flare{position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at 50% 55%,color-mix(in srgb,var(--cue-color) 16%,transparent),transparent 66%)}#board-flare.active{animation:moon-breath 1.4s ease-out both}.portrait-frame.acting .character-art{animation:portrait-enter 1.4s cubic-bezier(.16,.8,.22,1) both}.portrait-frame.acting::after{content:"";position:absolute;inset:0;pointer-events:none;border:1px solid var(--cue-color,var(--gold));animation:moon-breath 1.4s ease-out both}@keyframes moon-breath{0%{opacity:0}25%{opacity:.9}100%{opacity:0}}@keyframes portrait-enter{0%{transform:translateX(9%) scale(1.025);filter:brightness(1.12)}40%{transform:translateX(0) scale(1.025);filter:brightness(1)}100%{transform:translateX(0) scale(1);filter:brightness(1)}}
.music-card{border:1px solid var(--line);border-radius:8px;padding:25px 28px;display:grid;grid-template-columns:1fr 1.5fr;gap:35px;margin-top:27px;background:linear-gradient(120deg,#162024,#10171c)}.music-card h2{font:23px/1.5 'Yu Mincho',serif;font-weight:400;margin:0}.music-intro>p:not(.eyebrow){color:var(--muted);font-size:11px;overflow-wrap:anywhere}.file-picker{position:relative;display:inline-flex;align-items:center;cursor:pointer;border:1px solid #a08e6866;border-radius:4px;background:#8f7a4225;color:#ddcba7;font-size:12px;padding:7px 20px}.file-picker input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.file-picker:focus-within{outline:2px solid var(--cyan);outline-offset:4px}.music-controls{align-self:center;min-width:0}.music-controls audio{width:100%;height:40px}.music-options{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:20px;font-size:11px;color:var(--muted)}.music-options label{display:flex;align-items:center;gap:7px}.music-options select{background:#0d171d;color:var(--ink);padding:5px;border:1px solid #79928b66;border-radius:3px}.music-options input[type=range]{width:85px}.music-options button{font-size:10px;padding:5px 10px}.music-options output{min-width:30px;color:var(--cyan)}.assembly{margin:24px 0 0;border-top:1px solid var(--line);padding-top:18px}.assembly img{max-width:100%;height:auto;display:block;border-radius:6px;margin:0 auto}footer{display:flex;justify-content:space-between;gap:20px;padding:30px 0;color:#75858d;font:9px/1.6 monospace;letter-spacing:.12em}footer i{color:var(--gold);padding:0 7px}
@media(min-width:1450px){main{padding-left:40px;padding-right:40px}.chamber-layout{grid-template-columns:minmax(0,1fr) 310px}.stage{height:680px}}
@media(max-width:950px){main{padding:25px 22px 0}.chamber-layout{grid-template-columns:minmax(0,1fr) 235px;gap:15px}.stage{height:475px}.board-caption{padding:12px}.board-caption small{display:none}.event-readout{padding:16px}.cue-controls{padding:0 12px 15px;gap:5px}.cue-controls b{font-size:13px}.board-options{padding:12px;gap:8px}.character-line{font-size:13px}.music-card{grid-template-columns:1fr 1.4fr;gap:20px;padding:20px}}
@media(max-width:720px){.masthead{height:65px;padding:0 19px;gap:8px}.brand{font-size:19px}.brand span{font-size:9px;margin-left:7px}.edition{display:none}.atelier-link{font-size:10px}main{padding:22px 15px 0}.introduction{align-items:start;margin-bottom:20px;gap:8px}h1{font-size:24px;letter-spacing:.08em}.seal{margin-left:8px;font-size:9px}.introduction .preview-note{font-size:9px}.preview-note small{font-size:8px}.introduction .eyebrow{font-size:8px}.chamber-layout{display:flex;flex-direction:column}.board-card,.cast-card{width:100%}.stage{height:clamp(355px,90vw,590px)}.board-options{gap:8px}.event-readout strong{font-size:17px}.cast-card{display:grid;grid-template-columns:148px minmax(0,1fr);gap:0 12px;padding:12px}.cast-heading{grid-column:1/-1;padding:0 0 12px}.portrait-frame{grid-row:2/5;margin:0;align-self:start}.character-line{padding:0;margin:0 0 14px;min-height:0;align-self:start;font-size:14px}.cast-selector{padding:0;gap:5px;align-self:start}.cast-selector button{padding:8px 0}.cast-card>.minor{padding:0;margin:12px 0 0;font-size:9px}.character-titles{left:11px;bottom:10px}.character-titles h2{font-size:25px}.character-titles p{font-size:9px}.character-state{font-size:13px;padding:6px 3px;right:7px;top:7px}.music-card{display:block;padding:20px;margin-top:20px}.music-controls{margin-top:20px}.music-card h2{font-size:22px}.music-options{gap:12px}footer{font-size:8px;flex-direction:column;gap:6px}.stage-corners{inset:10px}}
@media(max-width:370px){h1{font-size:21px}.preview-note{max-width:85px}.cast-card{grid-template-columns:128px minmax(0,1fr)}.cue-controls{grid-template-columns:repeat(3,1fr)}.board-options input{width:65px}.board-caption{font-size:12px}.character-line{font-size:12px}}
.sound-style{display:flex;align-items:center;gap:9px 18px;flex-wrap:wrap;padding:0 20px 10px;font-size:10px;color:var(--muted)}.sound-style label{display:flex;align-items:center;gap:9px}.sound-style select{background:#101a20;color:var(--ink);border:1px solid #84968955;border-radius:4px;padding:6px;font-size:11px;max-width:210px}.sound-style>span{font-size:9px}
/* A single, short-lived DOM cut-in above either board. No extra canvas/render loop. */
.board-cutin{--cutin-color:var(--cyan);--cutin-duration:1400ms;--cutin-entry:-13%;position:absolute;inset:0;z-index:4;pointer-events:none;overflow:hidden;contain:layout paint;opacity:0;color:#f5eddf}
.board-cutin[data-side=gote]{--cutin-entry:13%}
.cutin-veil{position:absolute;inset:0;background:linear-gradient(105deg,#050b14ba,#07141ce8 48%,#090e1bed);border-block:1px solid color-mix(in srgb,var(--cutin-color) 70%,transparent)}
.cutin-veil::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,color-mix(in srgb,var(--cutin-color) 17%,transparent) 58%,transparent 78%)}
.cutin-moon{position:absolute;height:94%;aspect-ratio:1;left:1%;top:3%;border:1px solid color-mix(in srgb,var(--cutin-color) 65%,transparent);border-radius:50%;box-shadow:inset 0 0 0 14px #9bc4c30a,inset 0 0 0 16px #9bc4c316}
.cutin-rays{position:absolute;inset:8% -20%;transform:rotate(-12deg);background:repeating-linear-gradient(0deg,transparent 0 28px,color-mix(in srgb,var(--cutin-color) 20%,transparent) 29px,transparent 30px 60px);mask-image:linear-gradient(90deg,transparent,#000 45%,transparent)}
.cutin-stroke{position:absolute;left:-15%;top:49%;width:130%;height:3px;background:linear-gradient(90deg,transparent,var(--cutin-color),#fcf0d7,var(--cutin-color),transparent);transform:rotate(-15deg);box-shadow:0 0 18px color-mix(in srgb,var(--cutin-color) 75%,transparent)}
.cutin-burst{position:absolute;z-index:1;left:49%;top:50%;width:min(72vw,720px);aspect-ratio:1;translate:-50% -50%;opacity:0;background:repeating-conic-gradient(from 4deg,transparent 0 5deg,color-mix(in srgb,var(--cutin-color) 60%,transparent) 5.5deg 6deg,transparent 6.5deg 14deg);mask-image:radial-gradient(circle,transparent 0 12%,#000 17% 42%,transparent 70%)}
.cutin-burst::after{content:'';position:absolute;inset:15%;border:5px double color-mix(in srgb,var(--cutin-color) 76%,#ffe5a3);border-radius:50%;box-shadow:0 0 0 12px #fff1b30b,0 0 38px color-mix(in srgb,var(--cutin-color) 80%,transparent)}
.cutin-impact{position:absolute;z-index:5;inset:auto 4% 4% auto;color:#ffe2a1;font:400 clamp(76px,16vw,230px)/.8 var(--shogi-brush,'Yu Mincho',serif);text-shadow:3px 4px 0 #53101a,0 0 7px #fff4cb,0 0 34px var(--cutin-color);opacity:0;rotate:-8deg}
.board-cutin[data-kind=capture] .cutin-impact::before{content:'奪'}.board-cutin[data-kind=drop] .cutin-impact::before{content:'打'}.board-cutin[data-kind=promote] .cutin-impact::before{content:'成'}.board-cutin[data-kind=check] .cutin-impact::before{content:'王手'}.board-cutin[data-kind=victory] .cutin-impact::before{content:'勝'}
.cutin-portrait{position:absolute;left:7%;height:90%;aspect-ratio:3/4;bottom:0;mask-image:linear-gradient(180deg,#000 0 78%,transparent);overflow:hidden;border-top:1px solid var(--cutin-color)}
.cutin-art{position:absolute;inset:0;background-repeat:no-repeat;transform-origin:50% 45%}
.board-cutin[data-art=none] .cutin-portrait,.board-cutin[data-art=none] .cutin-focus{display:none}
.board-cutin[data-art=none] .cutin-copy{left:15%;right:15%;text-align:center}
.cutin-glyph{position:absolute;right:4%;top:-2%;font:clamp(100px,15vw,220px)/1.2 'Yu Mincho','Hiragino Mincho ProN',serif;writing-mode:vertical-rl;color:var(--cutin-color);opacity:.12;letter-spacing:.08em}
.cutin-copy{position:absolute;left:55%;right:5%;top:50%;transform:translateY(-50%);text-shadow:0 3px 12px #000}
.cutin-copy>small{display:block;color:var(--cutin-color);font:10px/1.8 monospace;letter-spacing:.17em}
.cutin-copy>strong{display:block;font:clamp(40px,5.8vw,82px)/1.35 'Yu Mincho','Hiragino Mincho ProN',serif;font-weight:700;letter-spacing:.12em;margin:12px 0}
.cutin-copy>span{display:block;font:16px/1.8 'Yu Mincho',serif;letter-spacing:.18em;color:#e2c892}
.cutin-copy>p{font:16px/2 'Yu Mincho',serif;letter-spacing:.06em;margin:20px 0 0;max-width:20em}
.cutin-signature{position:absolute;bottom:5%;right:5%;font:9px monospace;color:var(--cutin-color);letter-spacing:.3em;opacity:.65}
.board-cutin[data-kind=move] .cutin-veil{inset:24% 0 16%}
.board-cutin[data-kind=move] .cutin-portrait{height:70%;bottom:10%;left:15%}
.board-cutin[data-kind=move] .cutin-moon,.board-cutin[data-kind=move] .cutin-glyph,.board-cutin[data-kind=move] .cutin-rays{display:none}
.board-cutin[data-kind=move] .cutin-copy>strong{font-size:clamp(32px,4vw,56px);margin:4px 0}
.board-cutin[data-kind=move] .cutin-copy>p{font-size:14px;margin-top:8px}
.board-cutin[data-kind=move] .cutin-signature{bottom:19%}
.board-cutin[data-kind=promote] .cutin-veil{background:linear-gradient(115deg,#160d1dcc,#1d0d1aec 55%,#0e1321f0)}
.board-cutin[data-kind=promote] .cutin-copy>strong{color:#ffe0d5}
.board-cutin.active{animation:cutin-presence var(--cutin-duration) linear both}
.board-cutin.active .cutin-portrait{animation:cutin-arrive var(--cutin-duration) cubic-bezier(.16,.8,.22,1) both}
.board-cutin.active .cutin-art{animation:cutin-closeup var(--cutin-duration) ease-out both}
.board-cutin.active .cutin-stroke{animation:cutin-slash var(--cutin-duration) ease-out both}
.board-cutin.active .cutin-rays{animation:cutin-wind var(--cutin-duration) ease-out both}
.board-cutin.active:not([data-kind=move]) .cutin-burst{animation:cutin-burst var(--cutin-duration) cubic-bezier(.1,.7,.2,1) both}
.board-cutin.active:not([data-kind=move]) .cutin-impact{animation:cutin-impact var(--cutin-duration) cubic-bezier(.15,.8,.2,1) both}
.stage.impact-heavy{animation:stage-impact 420ms cubic-bezier(.2,.85,.3,1) both}
@keyframes cutin-presence{0%{opacity:0}9%,72%{opacity:1}100%{opacity:0}}
@keyframes cutin-arrive{0%{transform:translateX(var(--cutin-entry)) scale(.94)}18%{transform:translateX(0) scale(1.02)}65%,100%{transform:translateX(0) scale(1)}}
@keyframes cutin-closeup{0%{transform:scale(1.14)}30%{transform:scale(1.035)}100%{transform:scale(1)}}
@keyframes cutin-slash{0%{transform:rotate(-15deg) scaleX(0);opacity:0}12%{transform:rotate(-15deg) scaleX(1);opacity:1}45%,100%{transform:rotate(-15deg) scaleX(1.08);opacity:0}}
@keyframes cutin-wind{0%{transform:translateX(var(--cutin-entry)) rotate(-12deg);opacity:0}20%{opacity:.85}100%{transform:translateX(4%) rotate(-12deg);opacity:0}}
@keyframes cutin-burst{0%{opacity:0;scale:.12;rotate:-28deg}10%{opacity:.95;scale:1.08}28%{opacity:.5;scale:.96;rotate:10deg}75%,100%{opacity:0;scale:1.18;rotate:18deg}}
@keyframes cutin-impact{0%,13%{opacity:0;translate:28% -9%;scale:2.2}20%{opacity:1;translate:0 0;scale:.92}27%{scale:1.08}34%,72%{opacity:1;scale:1}100%{opacity:0;translate:-3% 0;scale:1.02}}
@keyframes stage-impact{0%{translate:0 0}17%{translate:-7px 3px}34%{translate:6px -2px}52%{translate:-4px -1px}70%{translate:3px 1px}100%{translate:0 0}}
@media(max-width:950px){.cutin-portrait{height:82%;left:2%}.cutin-copy{left:53%;right:4%}.cutin-copy>p{font-size:13px;margin-top:12px}.cutin-copy>span{font-size:13px}.cutin-copy>small{font-size:8px}.cutin-signature{font-size:7px}.board-cutin[data-kind=move] .cutin-portrait{left:6%}}
@media(max-width:720px){.cutin-portrait{height:86%;left:0}.cutin-copy{left:51%;right:4%}.cutin-copy>strong{font-size:43px;letter-spacing:.05em;margin:7px 0}.cutin-copy>p{font-size:12px;line-height:1.9}.cutin-copy>span{font-size:12px;letter-spacing:.07em}.cutin-copy>small{font-size:7px;letter-spacing:.08em}.cutin-glyph{font-size:100px;right:0;top:0}.cutin-moon{left:-25%;height:96%}.cutin-signature{font-size:7px;letter-spacing:.13em}.board-cutin[data-kind=move] .cutin-copy>p{font-size:11px}.board-cutin[data-kind=move] .cutin-portrait{left:2%;height:70%}}
@media(max-width:720px){.cutin-portrait{mask-image:linear-gradient(90deg,#000 60%,transparent 100%)}}
@media(max-width:720px){.cutin-impact{right:2%;bottom:8%;font-size:clamp(58px,24vw,110px)}.cutin-burst{width:115vw}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.board-cutin{display:none!important}}

footer{align-items:flex-end}footer .footer-identity{display:grid;gap:6px}footer .footer-meta{display:flex;gap:12px;color:#a89270}footer a{color:var(--gold);text-decoration-color:#9f7640;text-underline-offset:3px}footer a:hover{color:#ffe0a0}footer a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
@media(max-width:720px){footer{align-items:flex-start}.footer-meta{flex-wrap:wrap}.footer-credits{line-height:2}}