@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600&family=Noto+Serif+TC:wght@400;500;600&display=swap');
:root{--paper:#f6f3ee;--ink:#292b27;--muted:#67695f;--line:#cfcec5;--accent:#77613f;--dark:#242d2b;--serif:'Noto Serif TC',serif;--sans:'Noto Sans TC',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.9 var(--sans)}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}img{display:block;width:100%;height:auto}button{font:inherit;cursor:pointer}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.55}p+p{margin-top:1em}.wrap{width:min(1240px,88%);margin-inline:auto}.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase}.muted{color:var(--muted)}.skip{position:absolute;top:-100px;background:white;padding:12px;z-index:99}.skip:focus{top:0}.header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{font-family:var(--serif);font-size:23px;letter-spacing:.13em;white-space:nowrap}.brand span{font:12px var(--sans);letter-spacing:.12em;display:block;margin-top:3px}.nav{display:flex;gap:28px;font-size:14px}.hero{padding:64px 0 74px;display:grid;grid-template-columns:1fr 1.06fr;gap:7%;align-items:center}.hero h1{font-size:clamp(36px,4.4vw,67px);letter-spacing:.04em;margin:20px 0 26px}.hero h1 span{display:block;font-size:.62em;margin-top:5px;color:var(--accent)}.hero .intro{font-family:var(--serif);font-size:18px;line-height:2.1;max-width:450px}.hero .text-link{margin-top:32px}.hero figure{position:relative;padding:20px 0 0 24px}.hero figure:before{content:'';position:absolute;inset:0 24px 52px 0;border:1px solid var(--line);z-index:-1}.hero img{aspect-ratio:1.04;object-fit:cover}.hero 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h3{font-size:32px;margin:14px 0 20px}.authority-feature p{margin-bottom:25px}.caption{font-size:12px;color:var(--muted);line-height:1.8;margin-top:10px}.timeline{margin-top:55px}.timeline article{display:grid;grid-template-columns:130px 1fr 190px;gap:30px;padding:28px 0;border-top:1px solid var(--line)}.timeline time{font:26px var(--serif);color:var(--accent)}.timeline h3{font-size:22px;margin-bottom:9px}.timeline p{font-size:15px;max-width:650px;color:var(--muted)}.timeline a{align-self:center;justify-self:end}.journey{display:grid;grid-template-columns:.85fr 1.15fr;gap:8%}.journey img{aspect-ratio:1;object-fit:cover}.journey h3{font-size:30px;margin-bottom:22px}.journey-stages{margin:25px 0;border-left:1px solid var(--line);padding-left:27px}.journey-stages p{margin:0;padding:10px 0}.journey-stages b{font-weight:500;color:var(--accent);margin-right:14px}.note{font-size:14px;color:var(--muted);margin-top:24px}.archive-intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.filters button{border:1px solid var(--line);padding:9px 18px;background:transparent;font-size:14px;color:var(--muted)}.filters button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.archive-list{display:grid;grid-template-columns:1fr 1fr;column-gap:55px}.archive-item{padding:22px 0;border-top:1px solid var(--line);display:block}.archive-item small{font-size:12px;color:var(--accent);letter-spacing:.04em}.archive-item h3{font:500 18px/1.7 var(--serif);margin:6px 0}.archive-item p{font-size:14px;color:var(--muted);line-height:1.8}.archive-item[hidden]{display:none}.service{background:#eae5db;padding:80px 0}.service-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:10%;align-items:center}.service h2{font-size:34px;margin:15px 0 22px}.service p{max-width:700px}.service a{justify-self:end;border:1px solid var(--ink);padding:17px 24px;font-size:15px}.service a:hover{background:var(--ink);color:var(--paper)}footer{padding:46px 0;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.footer-links{display:flex;gap:22px}.back{font-size:13px}.archive-count{font-size:13px;color:var(--muted)}
@media(min-width:1600px){.hero{padding-block:90px}.wrap{width:min(1370px,86%)}}
@media(max-width:900px){.wrap{width:88%}.header{height:auto;min-height:90px;padding-block:18px;align-items:flex-start}.nav{gap:14px;flex-wrap:wrap;justify-content:end;font-size:13px;max-width:220px}.hero{gap:6%;padding-top:45px}.hero .intro{font-size:16px}.section{padding:65px 0}.section-head{grid-template-columns:125px 1fr;gap:20px}.definition{margin-left:145px;grid-template-columns:1fr;gap:24px}.case{gap:5%}.case dl>div{grid-template-columns:1fr;gap:3px}.timeline article{grid-template-columns:90px 1fr}.timeline a{grid-column:2;justify-self:start}.journey{gap:5%}.service-inner{grid-template-columns:1fr;gap:30px}.service a{justify-self:start}}
@media(max-width:620px){.header{display:block}.brand{font-size:21px}.nav{margin-top:20px;max-width:none;justify-content:start;gap:12px 22px}.hero{display:flex;flex-direction:column;padding:42px 0;gap:40px;align-items:stretch}.hero h1{font-size:39px}.hero .intro{font-size:17px}.hero figure{padding-left:16px}.hero img{aspect-ratio:1.2}.hero figcaption{display:block}.hero figcaption span{display:block}.section{padding:50px 0}.section-head{display:block;margin-bottom:30px}.index-label{padding:0;margin-bottom:15px}.section-head h2{font-size:28px}.definition{margin:0;gap:26px}.definition p{font-size:17px}.principles{gap:15px}.principles strong{font-size:18px}.case{display:flex;flex-direction:column;gap:25px;padding:30px 0 42px}.case:nth-child(odd) .case-image{order:0}.case-image{width:100%}.case h3{font-size:27px}.case dl>div{grid-template-columns:65px 1fr;gap:12px}.case dd{font-size:15px}.questions{grid-template-columns:1fr}.question{padding:20px 0;gap:16px}.question strong{font-size:17px}.steps{grid-template-columns:1fr 1fr;gap:27px}.step h3{font-size:20px}.step p{font-size:14px}.method-note{font-size:19px}.authority-feature,.journey{grid-template-columns:1fr;gap:30px}.authority-feature h3,.journey h3{font-size:27px}.timeline{margin-top:35px}.timeline article{grid-template-columns:68px 1fr;gap:15px}.timeline time{font-size:22px}.timeline h3{font-size:20px}.archive-intro{display:block}.archive-list{grid-template-columns:1fr}.filters{gap:7px}.filters button{padding:8px 12px}.service{padding:50px 0}.service h2{font-size:27px}footer{flex-direction:column;gap:20px}.footer-links{flex-wrap:wrap}.hero .text-link{margin-top:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.case-image img.portrait{object-fit:contain;aspect-ratio:auto;max-height:570px;background:#e9e5dd}.research-pair{display:grid;grid-template-columns:1.4fr 1fr;gap:55px;margin-top:50px;align-items:center}.research-pair img{max-height:380px;object-fit:contain}.timeline-year{font:22px var(--serif);color:var(--accent)}.more{display:block;margin:35px auto 0;border:1px solid var(--ink);padding:12px 25px;background:transparent}.more:hover{background:var(--ink);color:var(--paper)}.more[hidden]{display:none}.archive-count{margin-bottom:18px}@media(max-width:620px){.research-pair{gap:25px;grid-template-columns:1fr}.case-image img.portrait{max-height:510px}.timeline-year{font-size:16px}.hero h1{font-size:clamp(30px,8.9vw,39px)}}
.case dd,.step p,.timeline p{font-size:16px}.case-image img:not(.portrait),.authority-feature img,.journey img{aspect-ratio:auto}.case-image img.portrait{max-height:620px}.timeline-year{line-height:1.6}.principles{flex-wrap:wrap}.hero figure{isolation:isolate}@media(max-width:620px){.case dd,.step p{font-size:16px}.case-image img.portrait{max-height:520px}}

/* Selected stories: problem-first summaries with native, keyboard-accessible disclosure. */
#selected .case{padding-block:38px 44px}
#selected .case-meta{display:flex;align-items:baseline;gap:12px;font-size:15px;line-height:1.7;letter-spacing:0;margin-bottom:12px}
#selected .case-number{flex:none;font-size:11px;letter-spacing:.1em;white-space:nowrap}
#selected .case h3{margin-bottom:12px}
#selected .person{font-size:13px;line-height:1.8;margin-bottom:10px}
#selected .lead{font-size:16px;line-height:1.8;margin:0 0 18px}
#selected .case-caption{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
#selected .case-solution{border-block:1px solid var(--line);margin-bottom:13px}
#selected summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:48px;padding:10px 0;cursor:pointer;list-style:none;font-size:14px;color:var(--accent)}
#selected summary::-webkit-details-marker{display:none}
#selected .when-open,#selected details[open] .when-closed{display:none}
#selected details[open] .when-open{display:inline}
#selected .solution-mark{font:20px/1 var(--serif)}
#selected .solution-mark:before{content:'+'}
#selected details[open] .solution-mark:before{content:'−'}
#selected .case dl{margin:0 0 20px}
#selected .case dl>div{margin-top:12px}
#selected .case dd{font-size:15px;line-height:1.85}
#selected .case .text-link{padding-block:8px;min-height:44px}
@media(max-width:620px){
 #selected .section-head p{font-size:15px}
 #selected .case{gap:18px;padding-block:24px 30px}
 #selected .case-image img,#selected .case-image img.portrait{max-height:260px;aspect-ratio:auto;object-fit:contain;background:transparent}
 #selected .case-meta{font-size:14px;gap:10px;margin-bottom:8px;line-height:1.7}
 #selected .case-number{font-size:10px}
 #selected .case h3{font-size:24px;line-height:1.55;margin-bottom:9px}
 #selected .case h3 br{display:none}
 #selected .person{font-size:12px;margin-bottom:7px}
 #selected .lead{font-size:15px;margin-bottom:14px}
 #selected .case dl>div{grid-template-columns:1fr;gap:3px;margin-top:13px}
 #selected .case dt{padding:0;font-size:12px}
 #selected .case dd{font-size:15px;line-height:1.8}
}

/* A continuous design process, with a compact vertical reading order on small screens. */
#method .steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;list-style:none;margin:0;padding:0}
#method .step{position:relative;border:0;padding:0 20px 0 0;min-width:0}
#method .step:before{content:'';position:absolute;top:20px;left:48px;right:12px;border-top:1px solid #69726b}
#method .step:not(:last-child):after{content:'';position:absolute;top:17px;right:12px;width:6px;height:6px;border-top:1px solid #a6aa9d;border-right:1px solid #a6aa9d;transform:rotate(45deg)}
#method .step:last-child:before{display:none}
#method .step-number{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid #69726b;border-radius:50%;font:italic 20px var(--serif);color:#d1be98}
#method .step h3{font-size:20px;margin:20px 0 12px;line-height:1.6}
#method .step p{font-size:16px;line-height:1.85}
#method .method-note{font:13px/1.9 var(--sans);color:#a4ada5;margin-top:46px;padding-top:0;border-top:0;max-width:none}
#method .method-note:before{content:"";display:block;width:30px;border-top:1px solid #69726b;margin-bottom:14px}
#service .service-inner{grid-template-columns:minmax(0,1fr) auto;gap:6%}
#service .service-cta{display:inline-flex;justify-content:space-between;align-items:center;gap:22px;min-height:60px;padding:17px 24px;background:var(--dark);border:1px solid var(--dark);color:var(--paper);font-size:15px;line-height:1.7;transition:background .18s,border-color .18s}
#service .service-cta:hover{background:#3c4943;border-color:#3c4943}
#service .service-cta:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
#service .service-cta:active{background:#17221d}
#service .cta-direction{flex:none;font-size:21px;line-height:1}
@media(max-width:1050px){
 #method .steps{display:block;max-width:760px;margin-inline:auto}
 #method .step{display:grid;grid-template-columns:40px minmax(0,1fr);gap:24px;padding:0 0 27px}
 #method .step:before{top:46px;bottom:6px;left:20px;right:auto;border:0;border-left:1px solid #69726b}
 #method .step:not(:last-child):after{top:auto;bottom:7px;left:17px;right:auto;transform:rotate(135deg)}
 #method .step:last-child{padding-bottom:0}
 #method .step-copy{display:grid;grid-template-columns:180px minmax(0,1fr);gap:20px;align-items:start}
 #method .step h3{margin:3px 0 0}
 #method .step p{margin-top:4px}
 #service .service-inner{grid-template-columns:1fr;gap:28px}
 #service .service-cta{justify-self:start}
}
@media(max-width:620px){
 #method .section-head{margin-bottom:28px}
 #method .step{gap:17px;padding-bottom:23px}
 #method .step-copy{display:block}
 #method .step h3{font-size:20px;margin:3px 0 6px}
 #method .step p{font-size:16px;line-height:1.75;margin:0}
 #method .method-note{margin-top:35px;padding-top:0}
 #service .service-cta{width:100%;gap:14px;padding:17px 18px;min-height:62px}
}
@media(prefers-reduced-motion:reduce){#service .service-cta{transition:none}}

/* CASE 02: full-width original scene; preserve both participants without cropping. */
#selected #daily-signing .case-image img{display:block;width:100%;height:auto;max-height:none;aspect-ratio:auto;object-fit:contain;background:transparent}