:root{--ground:#F3EDE1;--paper:#FAF6EE;--ink:#1C1A17;--dim:#7A746B;--rule:#DDD5C6;--shu:#C1372C;--pen:#E0362C}
*{box-sizing:border-box}
html{background:var(--ground)}
body{margin:0;color:var(--ink);background:var(--ground);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.jp,.brand-jp,.cue,.answer{font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif}
a{color:inherit}
.top{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;max-width:960px;margin:0 auto}
.brand{text-decoration:none;font-weight:600;letter-spacing:.02em}
.brand-jp{display:inline-block;color:var(--paper);background:var(--shu);border-radius:4px;padding:0 6px;margin-right:8px;transform:rotate(-4deg)}
nav a{margin-left:20px;text-decoration:none;color:var(--dim)}
main{max-width:720px;margin:0 auto;padding:0 24px 80px}
.hero{padding:56px 0 40px;border-left:3px solid var(--shu);padding-left:24px}
.kicker{margin:0 0 12px;color:var(--dim);font-size:14px;letter-spacing:.06em;text-transform:uppercase}
h1{font-size:clamp(40px,7vw,64px);line-height:1.05;margin:0 0 20px;font-weight:700;letter-spacing:-.01em}
h1 em{font-style:normal;color:var(--shu)}
.lede{font-size:20px;max-width:34em;margin:0 0 32px}
.waitlist{display:grid;grid-template-columns:1fr auto;gap:10px;max-width:520px}
.waitlist input[type=email]{font:inherit;padding:14px 16px;border:1px solid var(--rule);border-radius:8px;background:var(--paper);color:var(--ink)}
.waitlist button{font:inherit;font-weight:600;padding:14px 22px;border:0;border-radius:8px;background:var(--ink);color:var(--ground);cursor:pointer}
.waitlist button:disabled{opacity:.6}
.fine{grid-column:1/-1;margin:4px 0 0;color:var(--dim);font-size:14px}
.fine.ok{color:var(--shu)}
.hp{position:absolute;left:-9999px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.demo{margin:24px 0 56px}
.card{background:var(--paper);border:1px solid var(--rule);border-radius:12px;padding:24px 28px}
.label{margin:0 0 6px;color:var(--dim);font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.jp{font-size:34px;margin:0 0 4px;font-weight:700}
.jp.small{font-size:26px}
.romaji,.en{margin:0;color:var(--dim)}
.card hr{border:0;border-top:1px solid var(--rule);margin:18px 0}
.cue{color:var(--shu);font-size:26px;margin:0;font-weight:700}
.arrow{text-align:center;color:var(--dim);padding:14px 0;font-size:14px}
.answer{font-size:34px;margin:14px 0 18px;line-height:1.9}
.wrong{position:relative;color:var(--dim);text-decoration:underline wavy var(--pen);text-underline-offset:8px}
.fix{position:absolute;top:-.95em;left:50%;transform:translateX(-50%);color:var(--pen);font-size:.55em;line-height:1}
.finding{margin:0 0 20px;padding-left:12px;border-left:3px solid var(--pen)}
.tag{display:block;color:var(--pen);font-weight:600;font-size:14px;margin-bottom:2px}
.three{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:56px}
.three h3{margin:0 0 6px;font-size:18px}
.three p{margin:0;color:var(--dim)}
.social{border-top:1px solid var(--rule);padding-top:28px;color:var(--dim)}
.social p{margin:0 0 6px}
.handles a{color:var(--ink)}
footer{max-width:960px;margin:0 auto;padding:24px;color:var(--dim);font-size:14px;border-top:1px solid var(--rule)}
footer a{color:var(--dim)}
.doc{max-width:680px}
.doc h1{font-size:40px}
.doc h2{font-size:22px;margin-top:40px}
.doc p,.doc li{color:#3E3A35}
@media (max-width:520px){.waitlist{grid-template-columns:1fr}.hero{padding-left:18px}.jp,.answer{font-size:28px}}