:root{color-scheme:light;--paper:#FAF7F2;--ink:#0B0B0B;--body:#1A1A1A;--muted:#666666;--orange:#FF6A0B;--line:#E5E1DC;--soft:#F2EDE6;--white:#fff;--focus:#98420E;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--body);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;min-height:100svh;display:flex;flex-direction:column}button,textarea{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:wait;opacity:.55}button:focus-visible,textarea:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--focus);outline-offset:5px}button{touch-action:manipulation}h1,h2,p{margin:0}h1{font-size:38px;line-height:1.4;letter-spacing:-1.2px;font-weight:650;text-wrap:balance}h2{font-size:25px;line-height:1.5;font-weight:600}p{line-height:1.85}.header{width:min(100%,1120px);margin:0 auto;padding:32px 44px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{position:relative;display:block;overflow:hidden;width:94px;height:44px;mix-blend-mode:multiply;flex:none}.logo img{position:absolute;width:737.28px;max-width:none;left:-37px;top:-105px}.text-button{border:0;background:none;color:var(--muted);padding:12px 4px;line-height:1.5;font-size:14px}.text-button:hover{color:var(--ink)}main{width:min(100%,600px);margin:36px auto 0;padding:0 28px 32px;flex:1;outline:none}.footer{text-align:center;color:var(--muted);font-size:12px;letter-spacing:2px;padding:32px 24px max(26px,env(safe-area-inset-bottom))}.lead{color:var(--muted);font-size:16px;margin-top:18px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--muted);margin:0 0 16px}.thread{color:var(--orange);display:block;width:100%;height:90px;margin:20px 0 0;overflow:visible}.thread path{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}.thread .strand{stroke-width:2}.thread circle{fill:currentColor}.entry{margin-top:8px}.input-shell{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:23px 23px 15px;box-shadow:0 10px 30px #34201104;transition:border-color .2s}.input-shell:focus-within{border-color:var(--orange)}textarea{resize:vertical;width:100%;min-height:164px;max-height:45svh;border:0;outline:none!important;background:none;color:var(--body);font-size:18px;line-height:1.85;padding:0;display:block}textarea::placeholder{color:#82807B;font-size:16px}.input-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:15px}.counter{font-size:12px;color:var(--muted)}.send{border:0;border-radius:50%;background:var(--orange);width:48px;height:48px;color:var(--ink);font-size:28px;flex:none;display:grid;place-items:center}.send:hover{background:#F45C00}.entry-note{font-size:12px;color:var(--muted);line-height:1.8;margin:16px 8px 0}.primary{border:1px solid var(--ink);border-radius:28px;background:var(--ink);color:#fff;font-size:16px;font-weight:500;padding:16px 24px;min-height:54px;display:block;width:100%;line-height:1.4}.primary:hover{background:#282828}.secondary{border:1px solid var(--line);border-radius:28px;background:transparent;color:var(--body);padding:14px 24px;min-height:50px;width:100%;font-size:16px;line-height:1.5}.secondary:hover{background:var(--soft)}.actions{display:grid;gap:12px;margin-top:28px}.wide{width:100%}.back{margin-bottom:24px}.small{font-size:13px;color:var(--muted)}.statement{font-size:25px;line-height:1.65;letter-spacing:-.4px;font-weight:550;margin:20px 0 24px}.structure{display:grid;gap:12px}.piece{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 24px}.piece:first-child{background:#FFF1E5;border-color:#FAE5D4}.piece h3{font-size:12px;color:var(--muted);font-weight:500;margin:0 0 9px;letter-spacing:1px}.piece p{font-size:17px;line-height:1.8}.piece p+p{margin-top:9px}.arrangement{margin-top:26px;border-top:1px solid var(--line)}.arrangement article{padding:22px 0;border-bottom:1px solid var(--line)}.arrangement h3{font-size:12px;font-weight:500;color:var(--muted);margin:0 0 10px}.arrangement p{font-size:21px;line-height:1.7}.arrangement .return p{font-size:16px}.light-dot{height:14px;width:14px;border-radius:50%;background:var(--orange);margin-bottom:26px}.history{margin-top:30px;font-size:13px;color:var(--muted)}.history summary{cursor:pointer;padding:12px 0}.history p{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:12px;padding:14px 16px;background:var(--soft);border-radius:12px}.history p+p{margin-top:6px}.question-form{margin-top:28px}.correction-note{padding:18px 0;color:var(--muted);font-size:15px}.working{text-align:center;padding:80px 0}.working h1{font-size:30px;margin-top:28px}.working p{margin-top:14px;color:var(--muted);font-size:15px}.working .thread{height:110px}.working .strand{stroke-dasharray:500;animation:flow 3s ease-in-out infinite}.closed{padding:80px 0 20px;text-align:center}.closed h1{margin-top:45px;font-size:36px}.closed .lead{font-size:15px}.rest-symbol{display:block;width:170px;height:130px;margin:auto;color:var(--orange)}.closed details{margin-top:36px;text-align:left}.closed .text-button{margin-top:35px}.neutral-ending{padding:35px 0}.neutral-ending h1{font-size:30px}.neutral-ending .lead{margin-bottom:24px}.safety{border-left:3px solid var(--orange);padding-left:22px;margin:28px 0}.safety p{font-size:17px;white-space:pre-wrap}#notice{font-size:14px;line-height:1.8;margin-top:20px;color:#7C3312}#notice:empty{margin:0}#notice button{margin-top:12px}dialog{border:1px solid var(--line);background:var(--paper);border-radius:26px;padding:30px;max-width:440px;width:calc(100% - 32px);max-height:85svh;overflow:auto;color:var(--body)}dialog::backdrop{background:#16120E55;backdrop-filter:blur(3px)}dialog h2{font-size:23px;margin-bottom:20px}dialog p+p{margin-top:15px}dialog .primary{margin-top:24px}svg{pointer-events:none}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.flow-screen{animation:arrive .3s ease-out}@keyframes arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes flow{0%,100%{stroke-dashoffset:80;opacity:.5}50%{stroke-dashoffset:0;opacity:1}}
.entry-thread{width:65%;margin:0 auto}.entry-thread .thread{height:58px;margin-top:10px}.understanding{font-size:16px;color:var(--muted);margin-bottom:22px}.question-title{font-size:28px;line-height:1.6}.choices{display:grid;gap:9px;margin:22px 0 14px}.choices:empty{display:none}.choice{border:1px solid var(--line);border-radius:16px;padding:13px 17px;background:#fff;text-align:left;font-size:15px;line-height:1.6;color:var(--body);min-height:48px}.choice:hover,.choice[aria-pressed=true]{border-color:var(--orange);background:#FFF1E5}.recognition-line .thread{height:45px;margin:0}.recognition-line path:first-child{opacity:0;animation:unknot .7s ease-out}.recognition-line .strand{stroke-dasharray:450;animation:reveal-line .7s ease-out}.recognition-line{margin-left:-25px}@keyframes unknot{from{opacity:1}to{opacity:0}}@keyframes reveal-line{from{stroke-dashoffset:450}to{stroke-dashoffset:0}}
@media(min-width:900px){main{margin-top:56px}h1{font-size:44px}.entry textarea{min-height:190px}.header{padding-top:34px}.thread{margin-top:26px}}@media(max-width:500px){.header{padding:22px 25px 12px}main{margin-top:35px;padding:0 25px 24px}h1{font-size:34px;line-height:1.45}.lead{font-size:15px}.input-shell{padding:20px 20px 14px}.statement{font-size:23px}.piece{padding:19px 20px}.working{padding-top:60px}.closed{padding-top:65px}.closed h1{font-size:32px}.footer{font-size:11px;padding-top:22px}.actions{padding-bottom:env(safe-area-inset-bottom)}.thread{height:80px}.arrangement p{font-size:20px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}