:root{--ink:#171717;--muted:#767676;--line:#ddd}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif}header{height:64px;border-bottom:1px solid var(--line);padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;gap:24px;font-size:10px;letter-spacing:.17em}main{width:min(900px,calc(100% - 40px));margin:auto;padding:9vh 0}h1{font:400 clamp(34px,6vw,68px)/1.35 "Yu Mincho",serif;margin:12px 0 40px}section>p{color:var(--muted);line-height:1.8}form{display:grid;gap:16px}#start-form{max-width:600px}input,textarea{font:inherit;border:0;border-bottom:1px solid #aaa;padding:16px 3px;background:#fff}textarea{font:20px/1.9 "Yu Mincho",serif;min-height:170px;resize:vertical}label{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}button{justify-self:start;border:1px solid #222;background:#171717;color:#fff;padding:14px 22px;font:inherit;cursor:pointer}#progress{font:11px ui-monospace,monospace;letter-spacing:.15em}#message{color:#9a3f32}#complete{text-align:center;padding-top:10vh}#complete h1{margin-bottom:20px}@media(max-width:600px){main{padding-top:6vh}h1{font-size:36px}}