:root{font-family:-apple-system,BlinkMacSystemFont,"Avenir Next",sans-serif;color:#214c49;background:#f8f5eb;--green:#214c49;--gold:#f3c97b}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,select{font:inherit;color:inherit;touch-action:manipulation}button{cursor:pointer;border:0;min-height:44px;border-radius:22px}button:disabled{opacity:.45;cursor:wait}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #d36f39;outline-offset:3px}header{max-width:1100px;margin:auto;padding:23px 28px;display:flex;justify-content:space-between;font-size:13px}header a{text-decoration:none}main{max-width:1050px;margin:auto;padding:0 28px 50px}.intro{padding:31px 0 29px;position:relative}.eyebrow{font-size:10px;letter-spacing:.15em;font-weight:700}.intro h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.035em;font-size:64px;line-height:1.04;margin:15px 0 17px}.intro p{font-size:16px;line-height:1.65;color:#64766b}.lesson{background:#fffdf6;border:1px solid #dcded0;border-radius:25px;overflow:hidden;box-shadow:0 8px 45px #264f4710}.screen{aspect-ratio:16/9;background:#1b302f;min-height:200px}.screen iframe,.screen #player{display:block;width:100%;height:100%;border:0}.now{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 25px 8px}.now h2{font-size:24px;font-weight:600;margin:6px 0}.now #range{font-size:12px;color:#607569}.gold{background:var(--gold);padding:13px 24px;font-weight:650}.soft{background:#e6ecdf;padding:11px 18px}#player-status{min-height:18px;font-size:12px;color:#7d6b4c;margin:3px 25px 15px}.play-options{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:0 25px 22px;font-size:13px}.play-options select{max-width:210px;min-height:44px;border:1px solid #cbd7c9;border-radius:10px;padding:7px;background:#fbfcf4}.audio-help{margin:0 25px 15px;padding:16px 0;border-top:1px solid #e0e5d4;border-bottom:1px solid #e0e5d4}.audio-help summary{cursor:pointer;font-size:13px;font-weight:650;line-height:1.6}.audio-help p{font-size:12px;line-height:1.75;max-width:750px;margin:9px 0}.audio-help .small{font-size:11px}.source{display:inline-block;font-size:12px;margin:0 25px 23px}.picker{padding:35px 0 18px}.section-heading h2,.foundation h2{font-family:Georgia,serif;font-weight:500;font-size:29px;letter-spacing:-.02em;margin:0 0 10px}.section-heading p,.foundation p{font-size:13px;line-height:1.65;color:#61776a;margin:0 0 22px}.pair-grid{display:grid;grid-template-columns:26px repeat(5,minmax(0,1fr));gap:8px}.col-label,.row-label{display:flex;align-items:center;justify-content:center;font-size:12px;color:#738270}.col-label{height:26px}.pair{position:relative;min-height:100px;border:1px solid #dce1ce;background:#fffdf5;border-radius:17px;padding:12px 8px;display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;transition:.12s}.pair strong{font-size:16px;font-weight:650}.pair .time{font-size:10px;color:#7b8779}.pair svg{width:64px;max-width:100%;height:22px}.pair[aria-pressed=true]{color:#fffaf0;background:#2b5853;border-color:#2b5853;box-shadow:0 4px 12px #214c4920}.pair[aria-pressed=true] .time{color:#cfdfce}.pair:hover{box-shadow:0 3px 13px #214c4920}.small{font-size:11px;line-height:1.7;color:#6b7e6d}.picker>.small{padding-left:34px;margin-top:16px}.foundation{border-top:1px solid #d8dec9;padding:25px 0}.foundation #foundations{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}.foundation button{font-size:12px;background:#e3ead9;padding:11px 17px}footer{border-top:1px solid #dce0d1;padding-top:20px;font-size:11px;line-height:1.7;color:#72806f}@media(min-width:800px){.intro{padding-top:30px}.intro:after{content:'1̄ 2́ 3̌ 4̀';position:absolute;right:20px;top:35px;font-family:Georgia,serif;font-size:65px;letter-spacing:12px;color:#c1cfb6;transform:rotate(-5deg)}.lesson{max-width:860px}.screen{max-height:480px}}@media(max-width:600px){header{padding:18px}.intro{padding:20px 0}.intro h1{font-size:43px}.intro p{font-size:13px}main{padding:0 14px 35px}.lesson{border-radius:18px}.screen{min-height:200px}.now{padding:18px 16px 8px;gap:8px}.now h2{font-size:18px}.now .eyebrow{font-size:8px}.gold{font-size:12px;padding:12px 15px}#player-status{margin:5px 16px 15px;font-size:11px}.play-options{margin:0 16px 17px;gap:9px;font-size:11px}.play-options select{font-size:11px;max-width:178px}.soft{font-size:11px;padding:10px 14px}.audio-help{margin:0 16px 14px}.audio-help summary{font-size:12px}.audio-help p{font-size:11px}.source{margin:0 16px 20px;font-size:11px}.section-heading h2,.foundation h2{font-size:24px}.section-heading p{font-size:12px}.pair-grid{grid-template-columns:18px repeat(5,minmax(0,1fr));gap:5px}.pair{min-height:86px;padding:10px 3px;border-radius:13px}.pair strong{font-size:13px}.pair svg{width:49px;height:20px}.pair .time{font-size:9px}.picker>.small{padding-left:23px}.row-label,.col-label{font-size:11px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}