@charset "UTF-8";
:root{color-scheme:light;--ink:#182f3c;--muted:#5c6d77;--paper:#f5f7f8;--line:#dce3e7;--accent:#14776d;--orange:#f3ae4c;--white:#fff;--shadow:0 6px 22px #182f3c0b;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN","Meiryo",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.45}button,summary,.scene{touch-action:manipulation}button:focus-visible,summary:focus-visible,.scene:focus-visible{outline:3px solid #177eaa;outline-offset:4px}button{transition:background .18s,transform .18s}button:not(:disabled):active{transform:translateY(1px)}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}[hidden]{display:none!important}.game{max-width:1760px;margin:0 auto;padding:28px 36px 32px}.masthead{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.heading{display:flex;align-items:center;gap:16px}.brand-mark{display:inline-flex;position:relative;align-items:center;justify-content:center;width:51px;height:58px;font-family:Georgia,serif;font-style:italic;font-size:57px;line-height:1;color:var(--accent)}.brand-mark span{position:absolute;right:-4px;top:0;font-size:19px;color:#b66a18}.eyebrow{margin:0 0 5px;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent)}h1{font-size:clamp(20px,2.1vw,29px);letter-spacing:.03em;line-height:1.4;margin:0;font-weight:750}.chapter{font-size:14px;color:var(--muted);letter-spacing:.08em}.dashboard{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:16px 22px;background:var(--ink);color:var(--white);border-radius:14px;box-shadow:var(--shadow)}.progress-group{display:flex;align-items:center;gap:26px}.count{display:flex;align-items:baseline;white-space:nowrap;gap:9px}.count strong{font-size:31px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums}.count>span{font-size:14px;color:#ccd8dd}.stamps{display:flex;gap:8px}.stamp{display:grid;place-items:center;width:27px;height:27px;border:1px solid #61717a;border-radius:50%;font-size:12px;color:#aebfc7}.stamp.found{background:var(--orange);border-color:var(--orange);color:#302817;font-weight:800;animation:pop .3s ease-out}.tools{display:flex;align-items:center;gap:16px}.time{display:flex;align-items:center;gap:9px;white-space:nowrap}.time svg{color:#b7c8d0}.time time{font-size:20px;font-variant-numeric:tabular-nums;letter-spacing:.04em}.divider{width:1px;height:26px;background:#ffffff30}.button{display:inline-flex;justify-content:center;align-items:center;gap:7px;border:1px solid var(--line);background:white;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:700;min-height:42px}.button.hint{background:#ffffff10;border-color:#ffffff30;color:#fff}.button.hint:not(:disabled):hover{background:#ffffff23}.icon-button{display:grid;place-items:center;min-width:42px;height:42px;background:transparent;border:0;border-radius:8px}.icon-button:hover{background:#8797a225}.play-instructions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:22px 1px 13px}.play-instructions p{margin:0;font-size:15px;line-height:1.8;color:var(--muted)}.play-instructions p span{color:var(--ink);font-weight:700;margin-left:8px}.no-limit{font-size:12px;white-space:nowrap;color:var(--muted);padding-left:13px;border-left:1px solid #bac7cd}.boards{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.picture-card{background:white;border:1px solid var(--line);border-radius:13px;overflow:hidden;box-shadow:var(--shadow)}.picture-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 14px}.picture-heading h2{display:flex;align-items:center;gap:10px;margin:0;font-size:14px;font-weight:600}.picture-heading h2 span{display:grid;place-items:center;width:27px;height:27px;background:#e6efef;color:var(--accent);border-radius:6px;font-family:Georgia,serif;font-size:17px;font-weight:700}.picture-card:nth-child(2) h2 span{background:#fcf0dd;color:#895514}.zoom-button{display:flex;align-items:center;gap:5px;border:0;background:transparent;border-radius:6px;color:var(--muted);font-size:14px;padding:7px 8px;min-height:36px}.zoom-button:hover{background:#edf3f4;color:var(--ink)}.zoom-button svg{width:18px;height:18px}.scene{position:relative;aspect-ratio:4/3;cursor:crosshair;isolation:isolate;user-select:none;-webkit-user-select:none}.scene img{display:block;width:100%;height:100%;object-fit:contain}.overlays{position:absolute;inset:0;pointer-events:none;overflow:hidden}.marker{position:absolute;border:3px solid #ffdb5e;border-radius:50%;box-shadow:0 0 0 2px #493416ab,inset 0 0 0 1px #4934168c;transform:translate(-50%,-50%);animation:pop-ring .3s ease-out}.marker.wide{border-radius:18px}.marker span{position:absolute;left:4%;top:0;display:grid;place-items:center;width:22px;height:22px;font:800 12px/1 system-ui,sans-serif;border-radius:50%;color:#34290b;background:#ffdf69;border:1px solid #493416ab;transform:translate(-30%,-38%)}.hint-ring{position:absolute;transform:translate(-50%,-50%);border:3px dashed #fff;box-shadow:0 0 0 3px #178474;border-radius:50%;animation:hint-pulse 1.2s infinite}.miss{position:absolute;transform:translate(-50%,-50%);width:28px;height:28px;display:grid;place-items:center;background:#263946df;color:white;border:2px solid #fff;border-radius:50%;font:700 20px/1 sans-serif;animation:fade-out .8s forwards}.keyboard-cursor{display:none;position:absolute;left:50%;top:50%;width:24px;height:24px;border:2px solid white;box-shadow:0 0 0 2px #1e4263;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}.keyboard-cursor:after{content:"+";position:absolute;inset:0;display:grid;place-items:center;font:700 20px/1 monospace;color:#fff;text-shadow:0 0 2px #000}.scene.keyboard-active .keyboard-cursor{display:block}.game-footer{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin:17px 2px 0;min-height:30px}.game-footer p{margin:0;font-size:14px;color:var(--accent);font-weight:600;line-height:1.8}.keyboard-help{font-size:12px;color:var(--muted);text-align:right}.success{display:flex;align-items:center;gap:22px;padding:26px 30px;margin-top:20px;background:#e5f2ed;border:1px solid #b8d8cc;border-radius:14px;animation:pop .4s ease-out}.success-star{font-size:46px;color:var(--accent)}.success h2{margin:0;font-size:24px}.success p:last-child{margin:7px 0 0;font-size:14px;color:var(--muted)}.success .primary{margin-left:auto;background:var(--accent);color:white;border-color:var(--accent)}.answers{padding:20px 6px;color:var(--muted);font-size:14px}.answers summary{cursor:pointer;width:fit-content;font-weight:700}.answers ol{display:grid;grid-template-columns:1fr 1fr;gap:12px 35px;padding-left:25px;line-height:1.7}dialog{border:1px solid var(--line);border-radius:16px;padding:0;width:calc(100% - 40px);max-width:1530px;max-height:calc(100dvh - 40px);background:var(--paper);color:var(--ink);box-shadow:0 20px 70px #0005}dialog::backdrop{background:#102433c9;backdrop-filter:blur(5px)}.zoom-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px}.zoom-header h2{font-size:18px;margin:0}.zoom-tabs{display:flex;padding:4px;gap:5px;background:#e0e7ea;border-radius:9px}.zoom-tabs button{border:0;background:transparent;border-radius:6px;padding:8px 22px;font-size:14px;font-weight:700}.zoom-tabs button[aria-pressed=true]{background:var(--ink);color:white}.zoom-instruction{font-size:14px;color:var(--muted);margin:0;padding:0 18px 12px}.zoom-scroll{max-height:calc(100dvh - 240px);overflow:auto;overscroll-behavior:contain;background:#dbe2e6}.zoom-scene{width:max(100%,1100px);max-width:1448px;margin:0 auto}.zoom-footer{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:14px 18px;font-size:14px}.zoom-footer p{margin:0;color:var(--accent);font-weight:600}.zoom-footer span{white-space:nowrap}
@keyframes pop{from{transform:scale(.88);opacity:.4}to{transform:scale(1);opacity:1}}@keyframes pop-ring{from{transform:translate(-50%,-50%) scale(1.15);opacity:.2}to{transform:translate(-50%,-50%) scale(1);opacity:1}}@keyframes hint-pulse{50%{opacity:.45}}@keyframes fade-out{0%,55%{opacity:1}100%{opacity:0}}
@media(min-width:1800px){.game{padding-top:36px}.masthead{margin-bottom:30px}.play-instructions{margin-top:26px}}
@media(max-width:1050px){.game{padding:22px 22px 28px}.chapter{display:none}.stamps{gap:6px}.progress-group{gap:18px}.dashboard{padding:15px 18px}.tools{gap:10px}.boards{gap:14px}.keyboard-help{display:none}.marker{border-width:2px}.marker span{width:18px;height:18px;font-size:12px}}
@media(max-width:740px){.game{padding:18px 12px 24px}.masthead{margin-bottom:19px}.heading{gap:12px}.brand-mark{width:40px;font-size:49px;height:51px}h1{font-size:20px}.eyebrow{font-size:12px}.dashboard{padding:13px 14px;gap:12px;flex-wrap:wrap}.progress-group{width:100%;justify-content:space-between}.stamps{gap:7px}.stamp{width:24px;height:24px}.count strong{font-size:28px}.tools{width:100%;border-top:1px solid #ffffff20;padding-top:10px;justify-content:flex-end}.time{margin-right:auto}.divider{display:none}.button.hint{padding:8px 13px;min-height:40px}.play-instructions{margin:17px 1px 10px;gap:6px}.play-instructions p{font-size:14px;max-width:290px}.play-instructions p span{margin:0;display:block}.no-limit{font-size:12px}.boards{gap:15px;grid-template-columns:1fr}.picture-heading{padding:7px 12px}.game-footer{margin-top:13px}.success{padding:20px 18px;gap:14px;flex-wrap:wrap}.success-star{font-size:32px}.success h2{font-size:20px}.success .primary{margin:0;width:100%}.answers ol{grid-template-columns:1fr}.marker{border-width:3px}.marker span{width:20px;height:20px}.zoom-header{padding:10px}.zoom-header h2{font-size:16px}.zoom-tabs button{padding:8px 15px}.zoom-instruction{font-size:12px;padding:0 12px 10px}.zoom-footer{font-size:12px;padding:12px;align-items:start}dialog{width:calc(100% - 16px);max-height:calc(100dvh - 16px)}.zoom-scroll{max-height:calc(100dvh - 220px)}}
.masthead{margin-bottom:20px}.heading h1{font-size:clamp(19px,1.8vw,28px)}.audio-controls{display:flex;align-items:center;gap:14px;flex-shrink:0}.sound-toggle{color:var(--accent);border-color:#bcd3cc;white-space:nowrap}.sound-toggle[aria-pressed=true]{background:#e7f3ef}.audio-settings{position:relative;z-index:20;font-size:14px}.audio-settings summary{cursor:pointer;padding:12px 0;color:var(--muted)}.audio-popover{position:absolute;right:0;top:44px;width:285px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 40px #1024332a}.audio-popover label{display:flex;justify-content:space-between;font-weight:700}.audio-popover output{font-variant-numeric:tabular-nums;color:var(--accent)}.audio-popover input{display:block;width:100%;margin:13px 0 24px;accent-color:var(--accent);cursor:pointer}.audio-popover .button{width:100%}.audio-popover p{font-size:12px;line-height:1.7;color:var(--muted);margin-bottom:0}.stage-selector{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 20px}.stage-choice{display:flex;align-items:center;gap:13px;min-width:0;text-align:left;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--shadow)}.stage-choice:hover{background:#edf5f2}.stage-choice[aria-pressed=true]{border:2px solid var(--accent);padding:11px 13px;background:#edf7f3}.stage-choice img{border-radius:7px;object-fit:cover;flex-shrink:0;width:64px;height:48px}.stage-choice-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.stage-label{font-size:12px;letter-spacing:.09em;color:var(--muted)}.stage-choice strong{font-size:16px;line-height:1.4}.stage-progress{margin-left:auto;white-space:nowrap;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--muted)}.stage-choice.completed .stage-progress{color:var(--accent)}.stage-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 1px 12px}.stage-bar>div{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.stage-bar h2{margin:0;font-size:19px}.stage-bar #stage-number{font-size:12px;font-weight:800;letter-spacing:.05em;color:var(--accent)}#stage-subtitle{font-size:14px;color:var(--muted)}.stage-bar p{margin:0;font-size:12px;color:var(--muted);white-space:nowrap}.boards.loading .scene{opacity:.4;cursor:wait;pointer-events:none}.scene{transition:box-shadow .25s}.marker,.stamp.found{animation:none}.marker.just-found{animation:mark-success .65s cubic-bezier(.2,1.4,.4,1)}.stamp.stamp-new{animation:pop .4s ease-out}.effects{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:5}.reaction{position:absolute;pointer-events:none;--reaction:#ffcf47}.reaction.wrong{--reaction:#ec4e68}.reaction-seal{position:absolute;left:0;top:0;transform:translate(-50%,-50%);width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:#fffbed;color:#137765;border:3px solid var(--reaction);box-shadow:0 0 25px #ffdc7199,0 3px 9px #10243344;font:900 35px/1 system-ui,sans-serif;animation:seal-pop 1.15s both}.wrong .reaction-seal{color:#fff;background:#d53950;box-shadow:0 0 20px #f1546c66}.reaction-label{position:absolute;top:34px;left:0;transform:translateX(-50%);white-space:nowrap;padding:5px 13px;border-radius:16px;background:#fffbed;color:#196c5b;box-shadow:0 3px 14px #10243322;font-size:15px;font-weight:800;animation:label-float 1.15s both}.wrong .reaction-label{background:#fff0f2;color:#b42c45}.reaction-ring{position:absolute;left:0;top:0;width:60px;height:60px;border:3px solid var(--reaction);border-radius:50%;animation:wave-out .8s var(--delay,0ms) both}.burst-star{position:absolute;left:0;top:0;color:#ffd75b;font:800 24px/1 system-ui;text-shadow:0 1px 3px #91551488;animation:star-burst 1s var(--delay,0ms) both}.burst-star:nth-of-type(3n){color:#7ff3d7}.hit-glow{animation:scene-glow .65s ease-out}.miss-shake{animation:scene-shake .4s ease-out}.success-actions{display:flex;flex-direction:column;gap:9px;margin-left:auto}.success-actions .primary{margin-left:0}.success.all-clear{background:linear-gradient(115deg,#142e3d,#23584f);border-color:#92bba0;color:#fff;box-shadow:0 8px 30px #113e3425}.success.all-clear .eyebrow,.success.all-clear .success-star{color:#ffda72}.success.all-clear #result-detail{color:#daeee5}#celebration{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:90}.audio-settings summary:focus-visible{outline:3px solid #177eaa;outline-offset:2px}
@keyframes mark-success{0%{transform:translate(-50%,-50%) scale(1.4);opacity:0;filter:brightness(2)}60%{transform:translate(-50%,-50%) scale(.94)}100%{transform:translate(-50%,-50%) scale(1);opacity:1}}
@keyframes seal-pop{0%{transform:translate(-50%,-50%) scale(.2);opacity:0}18%{transform:translate(-50%,-50%) scale(1.15);opacity:1}30%,68%{transform:translate(-50%,-50%) scale(1);opacity:1}100%{transform:translate(-50%,-70%) scale(.9);opacity:0}}
@keyframes label-float{0%{transform:translate(-50%,12px);opacity:0}20%,70%{transform:translate(-50%,0);opacity:1}100%{transform:translate(-50%,-10px);opacity:0}}
@keyframes wave-out{0%{transform:translate(-50%,-50%) scale(.3);opacity:.85}100%{transform:translate(-50%,-50%) scale(2.8);opacity:0}}
@keyframes star-burst{0%{transform:translate(-50%,-50%) scale(.2);opacity:0}18%{opacity:1}100%{transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) rotate(var(--rotation)) scale(.5);opacity:0}}
@keyframes scene-glow{0%,100%{box-shadow:inset 0 0 0 0 #fbd76600}30%{box-shadow:inset 0 0 35px 12px #fbd76688}}
@keyframes scene-shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-4px)}45%{transform:translateX(4px)}70%{transform:translateX(-2px)}}
@media(max-width:1100px){.stage-choice{gap:9px;padding:10px}.stage-choice[aria-pressed=true]{padding:9px}.stage-choice img{width:52px;height:43px}.stage-choice strong{font-size:14px}.audio-controls{gap:10px}.heading h1{font-size:22px}}
@media(max-width:820px){.masthead{flex-wrap:wrap;gap:12px}.audio-controls{margin-left:auto}.stage-progress{display:none}.stage-choice.completed .stage-label:after{content:' ✓';color:var(--accent)}#stage-subtitle{display:none}.stage-choice img{width:43px;height:42px}.stage-choice{gap:8px}.stage-label{font-size:12px}.stage-choice strong{font-size:14px}.stage-bar h2{font-size:18px}.reaction-seal{width:45px;height:45px;font-size:29px}.reaction-label{top:28px;font-size:14px}}
@media(max-width:540px){.heading h1{font-size:18px}.heading{gap:8px}.heading .brand-mark{font-size:44px;width:35px;height:46px}.masthead{margin-bottom:13px}.audio-controls{margin-left:0;width:100%;justify-content:flex-end}.sound-toggle{padding:6px 12px;min-height:36px}.audio-settings summary{padding:8px 0}.stage-selector{gap:7px;margin-bottom:16px}.stage-choice{flex-direction:column;align-items:flex-start;gap:7px;padding:8px}.stage-choice[aria-pressed=true]{padding:7px}.stage-choice img{width:100%;height:49px}.stage-choice-copy{gap:3px}.stage-choice strong{font-size:13px;white-space:nowrap}.stage-label{font-size:12px;letter-spacing:0}.stage-bar>div{gap:8px}.stage-bar h2{font-size:17px}.stage-bar p{font-size:12px}.stage-bar #stage-number{font-size:12px}.success-actions{width:100%;margin:0}.success-actions .button{width:100%}.audio-popover{width:275px}}
.hit-glow::after{content:'';position:absolute;inset:0;pointer-events:none;z-index:4;box-shadow:inset 0 0 30px 9px #ffdc7177;animation:glow-fade .65s both}@keyframes glow-fade{0%,100%{opacity:0}25%{opacity:1}}
@media(max-width:540px){.stage-choice strong{font-size:14px;white-space:normal;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reaction-ring,.burst-star,.hit-glow::after{display:none}.reaction-seal,.reaction-label{opacity:1}}