:root{--bg:#f4f1ea;--ink:#1d2927;--muted:#8b9188;--line:#d8d5cc;--accent:#c3e85c;--dark:#273934}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Yu Gothic",sans-serif}main{max-width:760px;margin:auto;padding:30px 28px 24px;min-height:100vh;display:flex;flex-direction:column}header{display:flex;justify-content:space-between;align-items:center}.brand{font-size:26px;font-weight:800;letter-spacing:-.08em;color:var(--ink);text-decoration:none}.brand span{color:#8fbf36}.session{font-size:11px;color:var(--muted);letter-spacing:.1em}.intro{padding:76px 0 45px}.intro p{font-size:12px;color:#86a13f;letter-spacing:.13em;margin:0 0 20px}.intro h1{font-size:clamp(42px,8vw,74px);letter-spacing:-.09em;line-height:1.03;margin:0;font-weight:700}.intro em{font-style:normal;color:#86a13f}.test{background:var(--dark);border-radius:16px;color:#f5f4ee;padding:32px 34px 27px;position:relative;box-shadow:0 18px 40px rgba(39,57,52,.12)}.target-label{font-size:10px;letter-spacing:.17em;color:#9eaaa1}.target{font-family:ui-monospace,monospace;font-size:112px;line-height:.83;letter-spacing:-.14em;margin-top:27px}.target sup{font-size:24px;letter-spacing:0;color:var(--accent);vertical-align:top;margin-left:8px}.target-hz{font-family:ui-monospace,monospace;color:#9eaaa1;font-size:12px;margin-top:18px}.target-hz span{color:#fff;font-size:17px}.listen{background:transparent;border:1px solid #52645e;color:#f5f4ee;border-radius:30px;padding:11px 16px;font-size:12px;margin-top:27px;transition:.2s}.listen:hover{border-color:var(--accent);color:var(--accent)}.listen span{margin-left:17px;color:var(--accent)}.meter-area{border-top:1px solid #465851;margin-top:38px;padding-top:23px}.meter-title{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#adb9b0}.meter-title b{font-size:10px;letter-spacing:.12em;color:var(--accent)}.scale{display:flex;align-items:center;gap:14px;color:#8e9d95;font-size:10px;margin-top:37px}.track{height:10px;background:#43534e;border-radius:10px;position:relative;flex:1}.safe{position:absolute;left:43%;right:43%;height:100%;background:#718e4e;border-left:1px solid var(--accent);border-right:1px solid var(--accent)}#needle{position:absolute;left:50%;top:-11px;height:32px;width:3px;background:var(--accent);border-radius:4px;box-shadow:0 0 12px var(--accent);transition:left .13s}.readings{display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid #465851;margin-top:36px;padding-top:20px}.readings>div+div{border-left:1px solid #465851;padding-left:18px}.readings small{display:block;color:#91a098;font-size:10px;margin-bottom:8px}.readings strong{font-family:ui-monospace,monospace;font-size:21px;font-weight:400}.readings strong small{display:inline;font-size:10px}.feedback{font-size:11px;color:#aeb9b1;margin:25px 0 0;min-height:17px}.mic{width:100%;border:0;border-radius:9px;background:#c3e85c;color:#1e2b23;font-weight:800;font-size:14px;padding:17px;margin-top:15px;cursor:pointer;transition:.2s}.mic:hover{background:#d0f477}.mic.active{background:var(--dark);color:var(--accent);outline:1px solid var(--accent)}.bottom{display:flex;gap:25px;align-items:center;border-bottom:1px solid var(--line);padding:25px 2px 27px;color:var(--muted);font-size:11px}.bottom strong{font-family:ui-monospace,monospace;color:var(--ink);font-size:17px;font-weight:500;margin-left:7px}.bottom button{margin-left:auto;border:0;background:transparent;color:#6e9238;font-weight:700;cursor:pointer}footer{display:flex;justify-content:space-between;color:#a5a79f;font-size:10px;padding-top:22px}footer:first-letter{color:#739b35}@media(max-width:540px){main{padding:22px 18px}.intro{padding:58px 0 34px}.intro h1{font-size:50px}.test{padding:25px 20px 22px}.target{font-size:90px}.meter-title{display:block}.meter-title b{display:block;margin-top:10px}.readings>div+div{padding-left:10px}.bottom{gap:12px;flex-wrap:wrap}.bottom button{width:100%;text-align:right}}