:root{--paper:oklch(97% .012 85);--card:oklch(99% .006 85);--line:oklch(90% .014 80);--chip:oklch(94% .014 80);--track:oklch(92% .014 80);--soft:oklch(93% .014 80);--ink:oklch(24% .015 60);--ink-2:oklch(45% .015 60);--muted:oklch(48% .015 60);--accent:oklch(42% .07 160);--accent-soft:oklch(93% .03 160);--red:oklch(55% .19 28);--red-soft:oklch(95% .03 28);--off:oklch(85% .012 80);--lift:0 1px 2px oklch(30% .02 60/.14);--serif:Newsreader, "Noto Serif SC", "Songti SC", serif;--sans:Figtree, "Noto Sans SC", "PingFang SC", system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-text-size-adjust:100%;margin:0;font-size:17px;line-height:1.5}button{font:inherit;color:inherit}.serif{font-family:var(--serif);font-weight:600;line-height:1.15}h1,h2{font-family:var(--serif);margin:0;font-weight:600;line-height:1.15}h1{font-size:28px}h2{font-size:24px}.muted{color:var(--muted)}.lede{color:var(--ink-2);margin:0;font-size:16px;line-height:1.5}.screen{max-width:520px;min-height:100dvh;padding-top:env(safe-area-inset-top);flex-direction:column;margin:0 auto;display:flex}.topbar{flex:none;align-items:center;height:48px;padding:0 8px;display:flex}.topbar .title{text-align:center;flex:1;padding-right:44px;font-size:17px;font-weight:600}.icon-btn{cursor:pointer;width:44px;height:44px;color:inherit;background:0 0;border:0;border-radius:12px;flex:none;justify-content:center;align-items:center;display:flex}.body{flex-direction:column;flex:1;gap:20px;padding:8px 20px 24px;display:flex}.foot{padding:10px 20px max(8px, env(safe-area-inset-bottom));background:linear-gradient(to bottom, transparent, var(--paper) 30%);flex-direction:column;flex:none;gap:10px;display:flex;position:sticky;bottom:0}.btn{text-align:center;background:var(--ink);width:100%;min-height:56px;color:var(--paper);cursor:pointer;border:0;border-radius:16px;justify-content:center;align-items:center;gap:10px;padding:8px 20px;font-size:17px;font-weight:600;line-height:1.3;text-decoration:none;display:flex}.btn.soft{background:var(--soft);color:var(--ink)}.btn.small{border-radius:12px;width:auto;min-height:44px;padding:0 18px;font-size:15px}.btn:disabled{opacity:.45;cursor:default}.link{color:var(--accent);text-align:center;cursor:pointer;background:0 0;border:0;padding:10px;font-size:15px;font-weight:600;text-decoration:none}.field{flex-direction:column;gap:8px;display:flex}.field>.label{color:var(--muted);font-size:14px;font-weight:600}.input{border:1px solid var(--line);background:var(--card);width:100%;height:52px;font:inherit;color:var(--ink);border-radius:14px;outline:none;padding:0 14px;font-size:17px}.input:focus{border-color:var(--ink-2)}textarea.input{resize:vertical;height:auto;min-height:140px;padding:14px;line-height:1.5}.seg{background:var(--track);border-radius:12px;padding:3px;display:flex}.seg button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;flex:1;padding:12px 4px;font-size:15px;font-weight:500}.seg button[aria-pressed=true]{background:var(--card);color:var(--ink);box-shadow:var(--lift)}.chips{flex-wrap:wrap;gap:8px;display:flex}.chips button{border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;border-radius:12px;padding:10px 14px;font-size:15px}.chips button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--paper)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}.note{background:var(--chip);border-radius:16px;padding:16px 18px;font-size:16px;line-height:1.55}.error{color:var(--red);background:var(--red-soft);border-radius:12px;margin:0;padding:12px 14px}