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@keyframes bob{50%{transform:translateY(-5px)}}@keyframes dogwalk{to{transform:translateX(50px)}}@keyframes butterfly{50%{transform:translate(90px,-25px) rotate(15deg)}}@keyframes flicker{to{transform:scale(.85,1.15)}}@keyframes stride{to{transform:rotate(35deg)}}@keyframes beat{50%{transform:scale(1.6);opacity:.5}}@keyframes medal-in{from{transform:scale(.4) rotate(-20deg);opacity:0}}@keyframes reveal{from{opacity:0;transform:translateY(8px)}}@keyframes fall{to{transform:translate(var(--dx),105vh) rotate(600deg);opacity:0}}@keyframes spark{to{transform:translate(var(--x),var(--y));opacity:0}}
@media(min-width:760px){.chapter-7 .stage{top:30px}.chapter-2 .stage{top:30px}}@media(max-width:759px){.shell{padding:15px 20px max(15px,env(safe-area-inset-bottom));max-width:500px}header{padding:4px 0 15px}.brand{font-size:21px}.brand span{font-size:7px;letter-spacing:1.5px}.header-tools{gap:4px}.header-tools button{padding:8px 10px;font-size:11px}.game-cover{margin-top:15px}.cover-caption{font-size:8px;letter-spacing:0}.cover-title{margin-top:28px}.cover-title small{font-size:7px;letter-spacing:2px}.cover-title h1{font-size:44px;letter-spacing:5px;margin:13px 0}.cover-title h1>span{font-size:65px}.exclaims{font-size:50px}.cover-title p{font-size:11px;letter-spacing:1px}.cover-world{width:100%;margin-top:-6px}.cover-world>svg{max-height:330px}.cover-stamp{width:73px;height:73px;font-size:27px;right:0;top:9%;padding-top:7px}.cover-stamp small{font-size:5px}.cover-bottom{gap:16px;padding-top:17px;grid-template-columns:1fr 1.2fr}.cover-bottom p{font-size:14px;line-height:1.7}.cover-bottom button{font-size:12px;padding:11px 8px;letter-spacing:0}.cover-instruction{font-size:8px;letter-spacing:1px;margin:17px 0}.chapter-title{padding:5px 0 18px}.chapter-title h1{font-size:30px;margin:8px 0 12px}.chapter-title p{font-size:12px;line-height:1.8}.chapter-title small{font-size:8px}.chapter-meta{font-size:9px;margin:12px 0}.play-layout{display:flex;flex-direction:column;gap:20px}.stage{position:relative;top:0;width:100%}.stage #scene>svg{max-height:340px}.stage-caption{font-size:7px;padding:9px}.game-panel{width:100%}.game-panel h3{font-size:22px}.game-panel p{font-size:13px}.run-controls button{min-height:90px}.chapter-2 .stage{position:relative;top:0}.chapter-2 .stage #scene>svg{max-height:240px}.chapter-2 .game-panel{padding-bottom:10px}.chapter-tools{gap:4px}.chapter-tools .text-btn{padding:8px 3px;font-size:10px}.memory{font-size:26px;letter-spacing:2px}dialog{padding:20px}footer span{font-size:8px;letter-spacing:0}.badge-grid{gap:12px}.race-hud{margin-top:0}.race-hud b{font-size:24px}}
@media(max-width:359px){.shell{padding-inline:14px}.brand{font-size:18px}.brand span{font-size:6px}.cover-title h1>span{font-size:58px}.cover-title p{font-size:10px}.cover-bottom{gap:9px}.cover-bottom p{font-size:12px}.cover-bottom button{font-size:11px}.memory{font-size:23px}.choices button{padding:10px;min-width:78px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.low-motion *,.low-motion *::before,.low-motion *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
svg [data-found=true]{opacity:.55;filter:drop-shadow(0 0 4px #d7a64b);animation:memory-find .65s ease-out}svg [data-found=true][data-act=memory-tree]{transform-origin:347px 230px;animation:leaf-find .65s ease-out}svg [data-found=true][data-act=memory-house]{animation:house-find .65s ease-out}@keyframes memory-find{50%{transform:translateY(-16px);opacity:1}}@keyframes leaf-find{50%{transform:rotate(-4deg);opacity:1}}@keyframes house-find{50%{filter:drop-shadow(0 0 12px #d7a64b);opacity:1}}.header-tools{flex-shrink:0}@media(max-width:400px){.brand{font-size:17px;letter-spacing:1px}.brand span{font-size:6px}.header-tools button{padding-inline:8px}}
/* A single bound leaf, with a photo mounted on the paper, not a cropped carousel. */
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/* Open eyes most of the time, a brief blink and an occasional warm smile. */
.natural-open-eyes{opacity:1;animation:eyes-open 11s infinite}.soft-smile-eyes,.blink-eyes{opacity:0}.soft-smile-eyes{animation:eyes-smile 11s infinite}.blink-eyes{animation:eyes-blink 11s infinite}@keyframes eyes-open{0%,24%,26%,69%,79%,100%{opacity:1}24.5%,25.5%,70%,78%{opacity:0}}@keyframes eyes-smile{0%,69%,79%,100%{opacity:0}70%,78%{opacity:1}}@keyframes eyes-blink{0%,24%,26%,100%{opacity:0}24.5%,25.5%{opacity:1}}@media(prefers-reduced-motion:reduce){.natural-open-eyes{opacity:1}.soft-smile-eyes,.blink-eyes{opacity:0}}.low-motion .natural-open-eyes{opacity:1}.low-motion .soft-smile-eyes,.low-motion .blink-eyes{opacity:0}
@media(max-width:759px){.chapter-title:has(+.finale-reading){display:none}.finale-reading .album-heading{margin-top:3px}.finale-reading .album-heading h2{margin-top:8px}.album-photo{-webkit-user-select:none;user-select:none}}
.album-photo img{height:auto;max-height:55vh;object-fit:contain}.book-leaf{min-height:480px}@media(max-width:759px){.album-photo img{height:auto;max-height:52vh;min-height:0}.book-leaf{min-height:420px}}
/* A warmer, carefully framed stage, with three tangible gifts. */
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/* The cover is a bound birthday storybook. */
.game-cover{max-width:800px;margin:32px auto 18px;padding:27px 38px 23px 55px;background:#f6f2e6;border:1px solid #c2bd9d;border-radius:4px 15px 15px 4px;box-shadow:inset 19px 0 23px -18px #56694e70,4px 4px 0 #d5ccb6,7px 7px 0 #eee6d6,10px 10px 0 #d1c7ae,0 20px 44px #41513f14;isolation:isolate}.game-cover:before{content:'';position:absolute;inset:12px 12px 12px 30px;border:1px solid #bcb28b;border-radius:1px 7px 7px 1px;pointer-events:none;z-index:-1}.game-cover:after{content:'';position:absolute;inset:0 auto 0 0;width:21px;background:#5c7763;border-right:1px solid #405c4c;box-shadow:inset -4px 0 6px #334c2f25;z-index:0}.cover-spine{position:absolute;left:6px;top:70px;writing-mode:vertical-rl;font:8px/1 sans-serif;letter-spacing:2.5px;color:#e5dfbd;z-index:2}.cover-caption{font-size:8px;letter-spacing:1.2px;border-bottom-color:#cfcaaf;padding-bottom:13px}.cover-title{margin-top:25px}.cover-title small{font-size:8px;letter-spacing:3px;color:#9b8964}.cover-title h1{font-family:"Songti 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p{font-size:12px}.reveal-gifts{gap:10px;grid-template-columns:1fr}.reveal-present{display:grid;grid-template-columns:100px 1fr;grid-template-rows:18px 29px auto auto;padding:18px 17px 0;text-align:left;border-radius:4px;column-gap:17px;overflow:visible}.gift-number{position:absolute;right:17px;top:13px}.present-art{grid-column:1;grid-row:1/5;width:100px;margin:0;align-self:center}.gift-tag{grid-column:2;grid-row:1;font-size:6px;letter-spacing:1px;margin:0;padding-right:17px;align-self:center}.reveal-present strong{grid-column:2;grid-row:2;font-size:24px;align-self:center}.gift-line{grid-column:2;grid-row:3;font-size:11px;min-height:0;margin:6px 0 12px}.present-action{grid-column:1/3;grid-row:5;width:calc(100% + 34px);margin-left:-17px;padding:10px 17px;text-align:right;font-size:10px}.reveal-next{margin-top:22px}.reveal-next .primary{min-width:0;width:100%}.chapter-6 .stage{border-radius:70px 70px 3px 3px}}@media(max-width:359px){.game-cover{padding-right:15px;padding-left:29px}.cover-title h1>span{font-size:47px}.cover-title h1{font-size:28px}.cover-title p{font-size:8px}.reveal-present{grid-template-columns:85px 1fr;column-gap:12px}.present-art{width:85px}}
.cover-world{max-width:375px}.cover-arch>svg{max-height:none}.cover-title h1>span{font-size:69px}.cover-title{margin-top:20px}.cover-title p{margin-bottom:16px}@media(max-width:759px){.cover-world{max-width:300px}.cover-title h1>span{font-size:54px}.cover-title{margin-top:22px}.cover-title p{margin-bottom:16px}.cover-arch>svg{max-height:none}}
.firework-particle{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--firework-color);box-shadow:0 0 7px 2px var(--firework-color),var(--trail-x) var(--trail-y) 2px var(--firework-color);animation:firework-bloom 1.85s cubic-bezier(.14,.63,.4,1) both;will-change:transform,opacity}.firework-flash{position:absolute;width:22px;height:22px;border-radius:50%;background:#fff8df;box-shadow:0 0 28px 12px var(--firework-color);animation:firework-flash .5s ease-out both}.still-star{position:absolute;font-size:22px;opacity:.7}.celebration-still{background:radial-gradient(ellipse at top,#e6c57416,transparent 60%)}@keyframes firework-bloom{0%{opacity:1;transform:translate(0,0) scale(1.25)}65%{opacity:1}100%{opacity:0;transform:translate(var(--x),calc(var(--y) + 28px)) scale(.35)}}@keyframes firework-flash{from{opacity:.95;transform:translate(-50%,-50%) scale(.3)}to{opacity:0;transform:translate(-50%,-50%) scale(2.8)}}
/* A light illustrated birthday invitation, with a friendly welcome before play. */
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small{font-size:9px}.birthday-start{margin-top:20px}.birthday-start .primary{font-size:13px}.birthday-welcome .welcome-signature{font-size:14px}}@media(max-width:359px){.birthday-cover{padding-inline:2px}.birthday-cover-heading h1>span{font-size:60px}.welcome-notes p{font-size:10px;gap:7px}.birthday-welcome .welcome-lead{font-size:19px}.birthday-edition{font-size:7px}}