:root{--paper:#f6f8f4;--ink:#22261f;--ink3:#5c6157;--green:#3f6b3a;--line:#e1e6dc}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans SC",sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 16px 64px}
h1{font-size:30px;line-height:1.2;margin:0 0 6px}
h2{font-size:19px;margin:32px 0 8px}
p,li{color:var(--ink)}
.sub{color:var(--ink3);margin:0 0 24px}
a{color:var(--green)}
nav{display:flex;gap:16px;margin-bottom:28px;font-size:14px}
hr{border:0;border-top:1px solid var(--line);margin:48px 0}
table{border-collapse:collapse;width:100%;font-size:14px}
td,th{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
footer{color:var(--ink3);font-size:13px;margin-top:48px}
.hero{text-align:center;margin:8px 0 32px}
.hero img{width:128px;height:auto;display:block;margin:0 auto 8px}
.stores{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px}
.store{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink3);font-size:14px}
.points{display:grid;gap:14px;margin:8px 0 24px}
.point{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.point h2{margin:0 0 6px;font-size:18px}
.point p{margin:0}
.point .en{margin-top:8px;color:var(--ink3);font-size:14px;line-height:1.55}
.ai,.quiet{text-align:center;color:var(--ink3);font-size:14px}
.ai span,.quiet span{font-size:13px}
.list-title{font-size:18px;margin:8px 0 10px}
.features{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
.features li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;display:flex;flex-direction:column;gap:3px}
.features strong{font-size:16px}
.features .en{color:var(--ink3);font-size:13.5px;line-height:1.5}
.empty{color:var(--ink3);font-size:14px;margin:-8px 0 8px}
.features:empty{display:none}
.fb{display:grid;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.fb label{display:grid;gap:6px;font-size:15px}
.fb label span{color:var(--ink3);font-size:13px}
.fb textarea,.fb input{font:inherit;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--paper);color:var(--ink);width:100%}
.fb textarea{resize:vertical}
.fb button{justify-self:start;font:inherit;border:0;border-radius:12px;padding:10px 18px;background:var(--green);color:#fff;cursor:pointer}
.fb button span{opacity:.8;font-size:14px}
.fb button:disabled{opacity:.6}
.fb-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.fb-about{margin:0;color:var(--green);font-size:14px}
.fb-status{margin:0;color:var(--ink3);font-size:14px;min-height:1.4em}