:root{font-family:Arial,sans-serif;color:#24323f;background:#f7f4ec;font-size:17px;line-height:1.55}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #0c7477;outline-offset:3px}a{color:#075b62}.skip{position:absolute;top:-5rem;left:1rem;background:#fff;padding:.5rem;z-index:10}.skip:focus{top:1rem}.top{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.8rem max(1.25rem,calc((100vw - 1120px)/2));background:#17324d;color:white}.top a{color:white;text-decoration:none}.brand{font-weight:800}.top div{display:flex;gap:.25rem}.top button{border:1px solid #b9d5d6;border-radius:.5rem;padding:.4rem .7rem;background:transparent;color:#fff;min-height:44px}.top button[aria-pressed=true]{background:#f2c15b;color:#17324d;border-color:#f2c15b}main{max-width:1120px;margin:auto;padding:0 1.25rem}.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:2rem;align-items:center;padding:4rem 0 3rem;border-bottom:4px solid #17324d}.hero h1{font-size:clamp(2.5rem,6vw,5rem);line-height:1.04;letter-spacing:-.045em;color:#17324d;max-width:11ch;margin:.4rem 0 1rem}.hero-copy>p{max-width:54ch;font-size:1.15rem}.edition{font-weight:800;color:#075b62}.privacy{font-size:.93rem!important;padding-left:1rem;border-left:4px solid #1fa6a2}.hero-art{min-height:290px;background:#d8eae5;border-radius:46% 54% 60% 40%;position:relative;display:grid;place-items:center}.art-card{font-family:Georgia,serif;font-size:2.4rem;line-height:1.5;background:#fff;padding:1.25rem 2rem;transform:rotate(-6deg);box-shadow:9px 11px 0 #17324d;color:#17324d}.art-card b{color:#b36600}.art-orbit span{position:absolute;font-size:2rem;font-weight:900;color:#075b62}.art-orbit span:nth-child(1){top:8%;left:20%}.art-orbit span:nth-child(2){right:15%;top:15%}.art-orbit span:nth-child(3){bottom:9%;left:22%}.steps{display:flex;flex-wrap:wrap;gap:.5rem;padding:1.25rem 0;border-bottom:1px solid #b7c9c5}.steps a{padding:.35rem .8rem;border-radius:2rem;background:#e6efeb;text-decoration:none;font-weight:700}.section{padding:3.5rem 0;border-bottom:1px solid #b7c9c5;scroll-margin-top:1rem}.section-head{display:flex;gap:1rem;align-items:start;margin-bottom:1.5rem}.number{display:grid;place-items:center;flex:0 0 2.6rem;height:2.6rem;border-radius:50%;background:#f2c15b;color:#17324d;font-weight:900}.section h2{font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.15;color:#17324d;margin:0}.section-head p{margin:.35rem 0 0}.worlds{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.world{min-height:150px;text-align:left;border:2px solid #abbfbd;border-radius:1rem;padding:1rem;background:#fff;color:#17324d;display:flex;flex-direction:column;align-items:start}.world.chosen{border-color:#007c7b;box-shadow:inset 0 0 0 2px #007c7b}.world-icon{font-size:2rem}.world strong{font-size:1.25rem}.world small{margin-top:auto}.photo-option{margin-top:1.75rem;padding:1rem;border:1px dashed #799a98;border-radius:.8rem}.photo-option label{display:block;font-weight:700}.photo-option input{display:block;margin:.6rem 0;max-width:100%}.photo-option p{font-size:.9rem;margin:0}.photo-option img{display:block;max-width:220px;max-height:160px;margin-top:.7rem;border-radius:.4rem}.investigation{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem}.question,.result,.talk,.detective,.replay-card{background:white;border:1px solid #bbcbca;border-radius:1rem;padding:1.5rem}.question>p:first-child{font-size:1.25rem;font-weight:700;color:#17324d}.values{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}.values label{flex-basis:100%;font-weight:700}.values input{flex:1;accent-color:#007b79;min-width:120px}.values output{min-width:2ch;font-weight:900;font-size:1.5rem;color:#075b62}fieldset{border:0;padding:0;margin:1.5rem 0}legend{font-weight:700;margin-bottom:.5rem}.choices{display:flex;flex-direction:column;gap:.45rem}.choices label{display:flex;gap:.6rem;align-items:center;padding:.55rem;border:1px solid #b7c9c5;border-radius:.55rem;cursor:pointer}.choices label:has(input:checked){background:#d8eeeb;border-color:#007c7b}.choices input{width:1.2rem;height:1.2rem;accent-color:#007c7b}.primary{background:#075b62;color:white;border:0;border-radius:.55rem;padding:.75rem 1.2rem;min-height:48px;font-weight:800}.primary:hover{background:#17324d}.result{align-self:start}.result-graphic{display:grid;gap:1rem}.result-graphic div{display:grid;gap:.3rem}.result-graphic i{display:block;height:2rem;background:#1fa6a2;border-radius:.3rem;min-width:1px}.result-graphic div:first-child i{background:#f2c15b}.equation{font-size:1.6rem;font-weight:900;color:#17324d}.result button,.talk button,.detective button,.replay-actions button,footer button{border:2px solid #075b62;background:#fff;color:#075b62;border-radius:.55rem;padding:.6rem 1rem;min-height:44px;font-weight:700}.explain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.explain-grid label{display:flex;flex-direction:column;gap:.5rem;font-weight:700}.explain-grid textarea,.detective textarea{width:100%;border:1px solid #799a98;border-radius:.55rem;padding:.7rem;background:#fff;color:#24323f;resize:vertical;min-height:110px}.talk,.detective{margin-top:1rem}.talk h3,.detective h3{margin:0 0 .5rem;color:#17324d}.talk p{font-size:1.2rem;font-weight:700}.detective label{display:block;font-weight:700;margin:.75rem 0 .4rem}.detective button{margin-top:.5rem}.replay-controls{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.replay-controls label{font-weight:700}.replay-controls select{padding:.6rem;border-radius:.5rem;background:white;border:1px solid #799a98;min-height:48px}.replay-card{margin-top:1.5rem;border:3px solid #17324d}.replay-head{display:flex;justify-content:space-between;gap:1rem;font-weight:900;font-size:1.35rem;color:#17324d}.replay-card li{padding:.4rem 0}.replay-actions{display:flex;gap:.6rem;flex-wrap:wrap}footer{padding:2rem 0 4rem;display:flex;justify-content:space-between;gap:1rem;align-items:center}footer p{max-width:40ch;margin:0}.family-studio-entry{padding:1.5rem;background:#d8eeeb;border-radius:1rem;margin:1.5rem 0}.family-studio-entry h2{margin:0}@media(max-width:760px){.hero{grid-template-columns:1fr;padding:2.5rem 0}.hero-art{min-height:200px}.worlds{grid-template-columns:repeat(2,1fr)}.investigation{grid-template-columns:1fr}.explain-grid{grid-template-columns:1fr}footer{display:block}footer p{margin-top:1rem}}@media(max-width:400px){.worlds{grid-template-columns:1fr 1fr}.world{min-height:135px}.top{padding:.7rem}.hero h1{font-size:2.45rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media print{.top,.steps,.photo-option,.section:not(#replay),.replay-controls,.replay-actions,footer{display:none!important}body{background:white}.hero{padding:.5rem 0;border:0}.hero-art{display:none}.hero h1{font-size:2rem}.section{padding:.5rem 0;border:0}.replay-card{border:1px solid #000}.replay-card[hidden]{display:none}}
[hidden]{display:none!important}
.replay-card li.is-playing{background:#d8eeeb;border-left:4px solid #007c7b;padding-left:.55rem;font-weight:700}.replay-current{min-height:1.5rem;color:#075b62;font-weight:700}@media(prefers-reduced-motion:reduce){.replay-card li.is-playing{background:transparent}}