:root{--ink:#152e32;--muted:#52645f;--green:#164d43;--paper:#f7f8f2;--line:#d7dfd6;--soft:#e9efe5;--accent:#d7e78b;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:17px;line-height:1.8}a{color:var(--green);text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:#537421}button,input,select{font:inherit}button,a,input,select,video{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b5841e}img,video{display:block;max-width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin:0 0 20px}h1,h2,h3{line-height:1.25;letter-spacing:-.035em;font-weight:650}h1{font-size:clamp(36px,4.2vw,64px)}h2{font-size:clamp(26px,2.8vw,38px)}h3{font-size:23px}p{color:var(--muted)}[hidden]{display:none!important}.wrap{max-width:1220px;margin:auto;padding:0 38px}.skip{position:absolute;top:-100px;left:20px;z-index:20;background:white;padding:12px}.skip:focus{top:10px}.site-header{max-width:1376px;margin:auto;padding:22px 38px 0}.brandbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:18px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-weight:650;line-height:1.3;color:var(--ink)}.brand small{display:block;font-size:9px;letter-spacing:.16em;margin-top:7px;font-weight:500}.language{font-size:14px;white-space:nowrap;text-decoration:none}.site-header nav{display:flex;gap:32px;overflow:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scrollbar-width:thin}.site-header nav a{flex-shrink:0;padding:12px 0;text-decoration:none;font-size:14px;color:var(--muted);border-bottom:2px solid transparent}.site-header nav a[aria-current=page]{color:var(--green);font-weight:700;border-color:var(--green)}.hero{max-width:1376px;margin:0 auto;display:grid;grid-template-columns:1fr 1.05fr;padding:64px 38px 70px;gap:45px;align-items:center}.eyebrow{color:var(--green);font-size:11px;letter-spacing:.16em;font-weight:700;line-height:1.5;margin-bottom:20px}.hero h1{margin-bottom:24px}.hero-intro{max-width:530px;font-size:18px}.actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:20px;padding:13px 22px;background:var(--green);color:white;border:1px solid var(--green);border-radius:3px;font-size:14px;text-decoration:none;cursor:pointer;line-height:1.6}.button:hover{background:#245d45;color:white}.text-link{font-size:15px;font-weight:600}.location{font-size:10px;letter-spacing:.09em;margin:32px 0 0}.hero-image{position:relative}.hero-image img{width:100%;height:420px;object-fit:cover;border-radius:3px}.hero-image figcaption{font-size:11px;border-bottom:1px solid var(--line);padding:11px 0;color:var(--muted)}.section-heading{max-width:780px;margin-bottom:32px}.resource-overview{padding-top:50px;padding-bottom:80px;border-top:1px solid var(--line)}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.resource-card{border-top:2px solid var(--green);padding:26px 0 0;display:flex;flex-direction:column}.number{font-size:37px;line-height:1.2;letter-spacing:-.05em;color:#668674;display:block;margin-bottom:22px;font-weight:400}.resource-card p{font-size:15px;min-height:81px}.specs{margin:0 0 20px;line-height:1.5}.specs div{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.specs dt{color:var(--muted)}.specs dd{margin:0;font-weight:650;text-align:right}.resource-card>a{margin-top:auto;font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding-top:50px;padding-bottom:70px}.split>img{width:100%;border-radius:3px}.dark-band{background:var(--green);margin:40px 0}.dark-band .split{padding-top:65px;padding-bottom:65px}.dark-band h2,.dark-band p{color:#f3f6e9}.dark-band .eyebrow{color:var(--accent)}.button.light{background:var(--accent);color:var(--ink);border-color:var(--accent)}.link-feature{display:flex;align-items:center;justify-content:space-between;gap:60px;padding-top:45px;padding-bottom:65px}.link-feature>div{max-width:760px}.link-feature h2{font-size:27px}.link-feature>a{flex-shrink:0;font-size:14px}.page-heading{padding-top:60px;padding-bottom:38px}.page-heading h1{max-width:1000px}.lead{font-size:19px;max-width:850px}.diagram-box{background:white;border:1px solid var(--line);border-radius:4px;overflow:auto}.architecture{display:block;width:100%;min-width:660px;font-family:inherit}.note,.source{font-size:13px;color:var(--muted);line-height:1.75}.note{margin-top:14px}.notice{background:var(--soft);padding:25px 30px;margin-top:35px;margin-bottom:35px;border-left:3px solid #73916a}.notice h2{font-size:23px}.notice p:last-child{margin-bottom:0}.system-row{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:60px;padding-bottom:60px;border-top:1px solid var(--line);scroll-margin-top:20px}.system-row img{margin-top:25px;max-height:350px;object-fit:contain;object-position:left;width:100%;height:auto}.system-row .specs{margin-top:28px}.system-row .specs div{font-size:17px;padding:16px 0}.end-link{padding-top:15px;padding-bottom:50px}.research-list article{display:grid;grid-template-columns:180px 1fr;gap:40px;border-top:1px solid var(--line);padding:35px 0}.research-list article>div:last-child{max-width:830px}.status{font-size:10px;letter-spacing:.08em;color:var(--green);border:1px solid #bbcebd;padding:5px 7px;display:inline-block}.research-list .number{margin-bottom:12px}.research-list h2{font-size:28px}.timeline article{display:grid;grid-template-columns:180px 1fr;gap:50px;padding:40px 0;border-top:1px solid var(--line)}.timeline-date time{font-size:20px;font-weight:600}.timeline-date span{display:block;font-size:10px;letter-spacing:.1em;color:var(--muted);margin-top:8px}.timeline h2{font-size:28px}.timeline img{width:100%;max-width:750px;max-height:450px;object-fit:cover;margin:22px 0}.filter-tools{display:flex;gap:20px;align-items:flex-end;padding:25px;background:var(--soft);margin-bottom:10px}.filter-tools label{display:flex;flex-direction:column;font-size:13px;gap:6px;min-width:0}.filter-tools label:first-child{flex:1}.filter-tools input,.filter-tools select{padding:11px;border:1px solid #9cac9f;border-radius:2px;background:white;color:var(--ink);font-size:16px;min-height:48px;max-width:100%}.reset{font-size:14px;min-height:48px;padding:10px 17px;cursor:pointer;border:1px solid #9cac9f;background:transparent;color:var(--green)}.resource-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.resource-list article{border-top:1px solid var(--line);padding:25px 0}.resource-list h2{font-size:21px;letter-spacing:-.02em;line-height:1.5}.resource-list .eyebrow{margin-bottom:12px}.cooperation-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.cooperation-grid article{background:var(--soft);padding:30px}.cooperation-grid h2{font-size:26px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:60px;padding-bottom:50px}.steps article{border-top:1px solid var(--line);padding-top:22px}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:35px;padding-bottom:60px}.contact-actions{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:15px}.button.secondary{background:transparent;color:var(--green)}.contact-actions .note{margin-top:0}.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:25px 0 40px}.fact-grid h2{font-size:23px}.fact-content>.button{margin-bottom:30px}.fact-content>h2{font-size:26px}.fact-content{padding-bottom:50px}.site-footer{display:flex;align-items:start;justify-content:space-between;gap:40px;border-top:1px solid var(--line);padding-top:38px;padding-bottom:35px;margin-top:50px;font-size:13px}.site-footer strong{font-size:13px;letter-spacing:.12em}.site-footer p{font-size:12px;margin:10px 0}.site-footer a{font-size:12px}.media-section{padding-top:50px;padding-bottom:60px;border-top:1px solid var(--line)}.media-section h2{max-width:850px}.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:30px}.media-grid figure img{width:100%;background:#edf0e9;border:1px solid var(--line);border-radius:3px}.media-grid figcaption,.video-feature figcaption,.map-figure figcaption{font-size:13px;line-height:1.8;color:var(--muted);margin-top:12px}.media-grid h3{font-size:21px;margin-bottom:6px}.video-feature{margin-top:35px}.video-feature video{width:100%;aspect-ratio:1280/734;background:#122b2d;border-radius:3px}.video-feature figcaption{max-width:950px}.map-figure{max-width:900px;margin:35px auto 50px}.map-figure img{width:100%;border:1px solid var(--line)}.exchange-list{display:grid;grid-template-columns:1fr 1fr;gap:25px}.exchange-list article{border-top:1px solid var(--line);padding-top:20px}.exchange-list h3{font-size:23px}.exchange-list time{font-size:13px;color:var(--green)}.photo-pair{margin-top:30px}.media-grid img{height:auto}.print-button{display:none}.js .print-button{display:inline-flex}
@media(min-width:1500px){.hero{padding-top:85px;padding-bottom:85px}.hero-image img{height:460px}}
@media(max-width:1000px){.hero{gap:28px;padding-top:45px}.hero-image img{height:390px}.resource-grid{gap:20px}.resource-card p{min-height:110px}.specs div{flex-wrap:wrap;gap:3px}.specs dd{width:100%;text-align:left}.split{gap:35px}.link-feature{gap:25px}.link-feature>a{flex-shrink:1}.system-row{gap:35px}.site-header nav{gap:25px}.hero h1{font-size:42px}}
@media(max-width:700px){body{font-size:16px}.wrap{padding-left:22px;padding-right:22px}.site-header{padding:18px 22px 0}.brand{font-size:14px;gap:9px}.brand small{font-size:7px;letter-spacing:.07em}.language{font-size:12px}.brandbar{gap:12px}.site-header nav{gap:23px;margin-right:-22px;padding-right:22px}.site-header nav a{font-size:13px}.hero{display:flex;flex-direction:column;padding:37px 22px 45px;gap:30px;align-items:stretch}.hero h1{font-size:43px}.hero .eyebrow{font-size:9px;margin-bottom:17px}.hero-intro{font-size:16px}.hero-image img{height:auto;aspect-ratio:1.6;object-fit:cover}.hero-image figcaption{font-size:10px}.location{margin-top:24px}.resource-overview{padding-top:32px;padding-bottom:35px}.resource-grid{grid-template-columns:1fr;gap:30px}.resource-card p{min-height:0}.resource-card .specs div{flex-wrap:nowrap}.resource-card .specs dd{width:auto;text-align:right}.resource-card .number{font-size:30px}.split{grid-template-columns:1fr;gap:27px;padding-top:30px;padding-bottom:35px}.dark-band{margin:25px 0}.dark-band .split{padding-top:35px;padding-bottom:35px}.link-feature{display:block;padding-top:30px;padding-bottom:30px}.page-heading{padding-top:38px;padding-bottom:22px}.page-heading h1{font-size:36px}.lead{font-size:17px}.notice{padding:20px 22px}.notice.wrap{margin-left:22px;margin-right:22px}.system-row{grid-template-columns:1fr;gap:12px;padding-top:34px;padding-bottom:34px}.system-row .specs{margin-top:0}.system-row .specs div{flex-wrap:nowrap;font-size:15px}.system-row .specs dd{width:auto;text-align:right}.research-list article{grid-template-columns:1fr;gap:16px;padding:26px 0}.research-list article>div:first-child{display:flex;gap:16px;align-items:center}.research-list .number{margin-bottom:0;font-size:30px}.research-list h2{font-size:26px}.timeline article{grid-template-columns:1fr;gap:16px;padding:28px 0}.timeline-date{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.timeline-date span{margin:0}.timeline h2{font-size:26px}.filter-tools{padding:18px;flex-wrap:wrap;gap:12px}.filter-tools label:first-child{flex-basis:100%}.filter-tools label:nth-child(2){flex:1}.resource-list{grid-template-columns:1fr}.cooperation-grid{grid-template-columns:1fr;gap:18px}.cooperation-grid article{padding:24px}.steps{grid-template-columns:1fr;gap:25px;padding-top:35px;padding-bottom:30px}.steps .number{margin-bottom:12px;font-size:28px}.contact-panel{grid-template-columns:1fr;gap:20px;padding-bottom:30px}.contact-panel h2{font-size:28px}.fact-grid{grid-template-columns:1fr;gap:20px}.fact-grid .specs div{flex-wrap:nowrap}.fact-grid .specs dd{width:auto;text-align:right}.site-footer{flex-direction:column;gap:15px;margin-top:35px;padding-top:25px}.media-grid,.exchange-list{grid-template-columns:1fr;gap:30px}.media-section{padding-top:35px;padding-bottom:35px}.media-section h2{font-size:28px}.video-feature{margin-top:25px}.map-figure{margin-bottom:30px}.media-grid h3{font-size:21px}}
@media(max-width:360px){.hero h1{font-size:36px}.brand small{font-size:6px}.brand{font-size:12px}.language{font-size:11px}.site-header{padding-left:16px;padding-right:16px}.wrap,.hero{padding-left:18px;padding-right:18px}.resource-card .specs div{font-size:13px}.page-heading h1{font-size:31px}}
@media print{@page{size:A4;margin:14mm}body{font-size:10pt;background:white;color:black;line-height:1.5}.site-header,.skip,.site-footer,.print-button{display:none!important}.wrap{padding:0;max-width:none}.page-heading{padding:0 0 12px}.page-heading h1{font-size:26pt}.page-heading .eyebrow{margin-bottom:8px}.lead{font-size:12pt}p{margin-bottom:10px;color:#333}.fact-grid{gap:16px;margin:18px 0;grid-template-columns:repeat(3,1fr)}.fact-grid h2{font-size:14pt}.specs div{font-size:9pt;padding:8px 0;display:block}.specs dd{text-align:left;width:100%;margin-top:3px}.fact-content>h2{font-size:15pt;margin-top:18px;margin-bottom:8px}.note,.source{font-size:9pt}a{color:#164d43}.fact-content{padding-bottom:0}article{break-inside:avoid}.notice{break-inside:avoid}video{display:none}.media-grid{grid-template-columns:1fr 1fr}.system-row{break-inside:avoid}.page-heading h1{letter-spacing:0}}
/* Small screens retain an independently scrollable navigation and diagram. */
@media(max-width:360px){.site-header nav{margin-right:-16px;padding-right:16px}}
@media(max-width:700px){.hero h1{font-size:clamp(28px,8.5vw,39px)}}
@media print{:root{background:white}}
/* Preferences share the existing visual style and remain usable on phones. */
:root[data-theme="night"]{--ink:#edf3e9;--muted:#b3c4b9;--green:#b9dca0;--paper:#111e1b;--line:#3b5146;--soft:#20352d;--accent:#d7e78b}
:root[data-theme="night"] a:hover{color:#e0efbd}
:root[data-theme="night"] .dark-band{background:#173f36}
:root[data-theme="night"] .button:not(.light):not(.secondary){background:#225342;color:#f4f8ef;border-color:#72967e}
:root[data-theme="night"] .button:not(.light):hover{background:#31664e;color:white}
:root[data-theme="night"] .button.light:hover{color:#152e32;background:#e4efb1}
:root[data-theme="night"] .filter-tools input,:root[data-theme="night"] .filter-tools select,:root[data-theme="night"] .skip{background:var(--paper);color:var(--ink)}
:root[data-theme="night"] .number{color:#a4c3a5}
:root[data-theme="night"] .status{border-color:#62816b}
:root[data-theme="night"] .media-grid figure img{background:var(--soft)}
:root[data-theme="night"] .diagram-box{background:#162820}
:root[data-theme="night"] .architecture rect[fill="#e5eee8"]{fill:#284237;stroke:#597563}
:root[data-theme="night"] .architecture text[fill="#152b30"]{fill:#edf3e9}
:root[data-theme="night"] .architecture text[fill="#366452"],:root[data-theme="night"] .architecture text[fill="#415c61"]{fill:#bfd3c4}
@media print{:root[data-theme]{--ink:#152e32;--muted:#52645f;--green:#164d43;--paper:white;--line:#d7dfd6;--soft:#e9efe5;color-scheme:light!important;color:var(--ink);background:white}.preferences{display:none!important}}
/* Historical outcomes reuse the bilingual site shell and theme variables. */
.outcomes-section{padding-top:45px;padding-bottom:60px;border-top:1px solid var(--line);scroll-margin-top:25px}.outcomes-section>p:not(.eyebrow){max-width:800px}.outcome-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:28px}.outcome-card{border:1px solid var(--line);background:var(--soft);border-radius:4px;overflow:hidden;display:flex;flex-direction:column}.outcome-card>img{width:100%;aspect-ratio:1.5;object-fit:cover}.outcome-card>div{padding:28px;display:flex;flex-direction:column;flex:1}.outcome-card h3{font-size:25px;line-height:1.45}.outcome-card h3 a{text-decoration:none;color:var(--ink)}.outcome-card h3 a:hover{text-decoration:underline}.outcome-card .eyebrow{font-size:10px;margin-bottom:13px}.outcome-card .text-link{margin-top:auto}.outcome-card p{font-size:15px}.story-heading h1{max-width:1050px;font-size:clamp(31px,4vw,49px);line-height:1.3}.story-photo{max-width:1040px;margin:0 auto 48px}.story-photo>img{width:100%;height:auto;border-radius:4px}.story-photo figcaption{font-size:13px;color:var(--muted);padding-top:12px}.story-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:65px}.story-facts h2{font-size:21px}.story-facts dl{margin:0}.story-facts dl>div{border-top:1px solid var(--line);padding:14px 0}.story-facts dt{font-size:12px;color:var(--muted)}.story-facts dd{margin:4px 0 0;font-size:15px;line-height:1.6}.story-prose{max-width:800px;min-width:0}.story-prose h2{font-size:27px;line-height:1.4}.story-prose section{margin:34px 0}.story-intro{font-size:19px}.historical-talks{border-top:1px solid var(--line)}.historical-talks article{padding:20px 0;border-bottom:1px solid var(--line)}.historical-talks h3{font-size:17px;margin-bottom:8px}.historical-talks p{font-size:15px;margin-bottom:0}.story-prose li{margin:9px 0}.story-sources{font-size:14px;overflow-wrap:anywhere}.story-actions{border-top:1px solid var(--line);padding-top:30px;margin-top:40px;padding-bottom:30px}.story-content ul{padding-left:24px}
@media(max-width:850px){.story-layout{grid-template-columns:210px minmax(0,1fr);gap:30px}.outcome-card>div{padding:22px}}
@media(max-width:700px){.outcome-grid,.story-layout{grid-template-columns:1fr}.outcomes-section{padding-top:30px;padding-bottom:35px}.outcome-card h3{font-size:23px}.story-heading h1{font-size:32px}.story-facts dl{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.story-photo{margin-bottom:28px}.story-prose h2{font-size:25px}.story-intro{font-size:17px}.story-actions{gap:20px}.story-sources li{margin-bottom:14px}}
@media print{.outcome-grid{grid-template-columns:1fr 1fr}.outcome-card>div{padding:14px}.story-photo{max-width:150mm;margin-bottom:15px}.story-layout{display:block}.story-facts dl{display:flex;flex-wrap:wrap;gap:15px}.story-facts dl>div{flex:1 0 30%}.story-prose{max-width:none}.story-prose h2{font-size:16pt}.story-prose p{font-size:11pt}.story-actions{display:none}.story-prose section{break-inside:auto}.story-prose h2{break-after:avoid}}

/* Three historical outcomes, with readable tablet and mobile cards. */
@media(min-width:1100px){.outcome-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.outcome-card>div{padding:24px}.outcome-card h3{font-size:23px}}
.story-detail-photo{margin:30px 0}

.outcome-card>.outcome-date-panel{aspect-ratio:1.5;flex:none;justify-content:center;gap:16px;background:#133d39;color:#f5f7ed;padding:40px}.outcome-date-panel span{font-size:14px;letter-spacing:.15em}.outcome-date-panel strong{font-size:clamp(35px,4vw,60px);line-height:1.2}.timeline article[id]{scroll-margin-top:24px}

.hero-byline{font-size:14px;font-weight:600;color:var(--green);line-height:1.7;margin:0 0 14px}

.project-record{background:var(--soft);border:1px solid var(--line);padding:24px;scroll-margin-top:24px}.project-record h2{margin-top:0}.project-record dl{margin:0}.project-record dl>div{padding:12px 0;border-top:1px solid var(--line)}.project-record dt{font-size:13px;color:var(--muted)}.project-record dd{margin:5px 0 0;overflow-wrap:anywhere;line-height:1.7}.project-record dl>div:last-child{padding-bottom:0}

/* Compact direct controls, with automatic defaults and saved user choices. */
.preferences{display:flex;align-items:center;gap:10px;flex-shrink:0}
.preference-switch{display:flex;gap:2px;padding:2px;border:1px solid var(--line);border-radius:5px;background:transparent}
.preference-switch button{border:0;border-radius:3px;padding:4px 8px;min-height:28px;font-size:11px;line-height:1.25;font-weight:500;white-space:nowrap;background:transparent;color:var(--muted);cursor:pointer}
.preference-switch button:hover{background:var(--soft);color:var(--ink)}
.preference-switch button[aria-pressed="true"]{background:var(--green);color:var(--paper);font-weight:600}
.preference-switch button span{margin-right:2px}
@media(max-width:850px){.brandbar{flex-wrap:wrap}}
@media(max-width:600px){.preferences{width:100%;justify-content:flex-end;gap:8px}.brandbar{gap:10px}.preference-switch button{padding:4px 7px}}
@media(max-width:360px){.preferences{gap:6px}.preference-switch button{padding:4px 6px}}
:lang(ja){line-break:strict}
html[lang="ja"] .brand{font-size:15px}
html[lang="ja"] .brand small{font-size:9px}
html[lang="ja"] .hero h1{font-size:clamp(32px,3.6vw,54px);line-height:1.4;letter-spacing:-.025em}
@media(max-width:700px){html[lang="ja"] .hero h1{font-size:34px}html[lang="ja"] .brand{font-size:13px}}