:root{--ink:#142c25;--forest:#102b25;--lime:#d2f86f;--muted:#5b6c64;--line:#dfe6e0;--paper:#f5f7f4;--max:1180px;font-family:"Pretendard","Noto Sans KR","Malgun Gothic",system-ui,sans-serif;color:var(--ink);background:#fff;font-synthesis:none;line-height:1.65;scroll-behavior:smooth;scroll-padding-top:90px}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,select,input{-webkit-tap-highlight-color:transparent}svg{display:block;max-width:100%}figure,p,h1,h2,h3{margin:0}::selection{color:var(--forest);background:var(--lime)}:focus-visible{outline:3px solid #748f23;outline-offset:5px;border-radius:2px}.container{width:min(var(--max),calc(100% - 80px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:10px;left:10px;z-index:100;transform:translateY(-170%);background:var(--lime);padding:10px 18px}.skip-link:focus{transform:none}.site-header{height:86px;padding-inline:max(40px,calc((100vw - var(--max))/2));display:flex;align-items:center;gap:48px;border-bottom:1px solid var(--line);background:white}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:23px;font-weight:800;letter-spacing:-1px;line-height:1.1}.brand svg{width:38px;height:38px;flex:none}.brand-caption{display:block;font-size:10px;letter-spacing:1.3px;margin-top:7px;font-weight:600}.site-header nav{display:flex;gap:32px;margin-left:auto}.site-header nav a{text-decoration:none;font-size:14px;font-weight:600}.site-header nav a:hover{color:#4c6813}.edition{font-size:12px;color:var(--muted);border-left:1px solid var(--line);padding-left:24px;white-space:nowrap}.hero{color:white;background:var(--forest);overflow:hidden}.hero-inner{width:min(var(--max),calc(100% - 80px));margin:auto;display:grid;grid-template-columns:1.16fr 1fr;gap:80px;padding-block:60px 50px;align-items:center}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--muted)}.hero .eyebrow{color:var(--lime)}.hero h1{font-size:clamp(34px,3.6vw,49px);letter-spacing:-2px;line-height:1.3;margin:20px 0 22px;font-weight:800}.hero h1 span{color:var(--lime)}.hero-description{font-size:17px;color:#bfd0c7;line-height:1.85}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:12px 23px;border:0;border-radius:3px;text-decoration:none;font-size:15px;font-weight:750;cursor:pointer;transition:background .18s,transform .18s}.button:hover{transform:translateY(-2px)}.button-lime{color:var(--forest);background:var(--lime);margin-top:27px}.button-lime:hover{background:#e2ff9b}.hero-footnote{font-size:12px;color:#9bb5a8;margin-top:19px}.energy-flow{padding-top:4px}.energy-flow figcaption{border-bottom:1px solid #315247;padding-bottom:18px}.energy-flow figcaption .eyebrow{display:block;color:#a5bcaf;font-size:11px}.energy-flow figcaption strong{display:block;font-size:19px;margin-top:5px;letter-spacing:-.5px}.energy-flow svg{width:100%;height:auto;margin-top:13px}.energy-flow>p{font-size:12px;color:#a5bcaf;max-width:390px}.section{padding-block:72px}.section-heading{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:32px}.section-heading h2,.sources h2{font-size:29px;letter-spacing:-1.2px;line-height:1.45;margin-top:9px}.section-heading>p{font-size:14px;color:var(--muted)}.table-scroll{overflow-x:auto;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}table{border-collapse:collapse;width:100%;min-width:870px;table-layout:fixed}thead th{padding:25px 17px 23px;font-size:18px;letter-spacing:-.5px;text-align:left;border-bottom:1px solid var(--line)}thead th:first-child{width:115px;font-size:14px}thead th span{display:block;font-weight:400;font-size:12px;letter-spacing:0;color:var(--muted);margin-top:5px}tbody th,tbody td{text-align:left;padding:19px 17px;vertical-align:top;border-bottom:1px solid var(--line);font-size:14px;word-break:keep-all}tbody th{font-weight:600;color:var(--muted)}tbody tr:last-child>*{border-bottom:0}.future-col{background:#f0f6e6}.source-note{font-size:12px;color:var(--muted);margin-top:15px;line-height:1.8}.takeaway{display:flex;gap:20px;margin-top:30px;padding:21px 25px;background:var(--paper);border-left:3px solid #a4c855;font-size:14px}.takeaway-label{flex:none;font-size:12px;line-height:24px;color:#466312;font-weight:800}.takeaway strong{font-weight:750}.source-list{list-style:none;margin:25px 0;padding:0;border-top:1px solid var(--line)}.source-list li{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);font-size:14px;scroll-margin-top:110px}.source-list li span{color:var(--muted)}.source-list a{text-decoration:none;font-weight:600}.source-list a:hover{text-decoration:underline}.fine-print{font-size:13px;line-height:1.9;color:var(--muted)}.sources{border-top:1px solid var(--line)}.site-footer{display:flex;gap:30px;align-items:center;padding-block:28px 35px;border-top:1px solid var(--line)}.footer-brand{font-size:20px;font-weight:800;letter-spacing:-.8px;text-decoration:none}.site-footer p,.site-footer span{font-size:12px;color:var(--muted)}.site-footer span{margin-left:auto}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:enter .6s both}.energy-flow{animation:enter .7s .13s both}@keyframes enter{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}}
@media(max-width:1020px){.site-header{gap:25px}.site-header nav{gap:22px}.edition{display:none}.hero-inner{gap:35px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:38px}.energy-flow figcaption strong{font-size:17px}.section-heading>p{max-width:225px}.section-heading h2,.sources h2{font-size:26px}}
@media(max-width:720px){:root{scroll-padding-top:30px}.container,.hero-inner{width:calc(100% - 40px)}.site-header{height:auto;min-height:76px;padding:17px 20px;gap:20px;flex-wrap:wrap}.brand{font-size:20px}.brand svg{width:34px;height:34px}.brand-caption{font-size:9px}.site-header nav{gap:18px}.site-header nav a{font-size:13px}.hero-inner{grid-template-columns:1fr;padding:38px 0 33px;gap:34px}.hero h1{font-size:34px;letter-spacing:-1.5px;margin:16px 0}.hero-description{font-size:16px}.button-lime{margin-top:22px}.hero-footnote{margin-top:15px}.energy-flow{padding:20px 0 0;border-top:1px solid #315247}.energy-flow figcaption{border:0;padding:0}.energy-flow figcaption .eyebrow{display:none}.energy-flow svg{max-width:380px;margin-inline:auto;margin-top:0}.energy-flow>p{font-size:12px}.section{padding-block:44px}.section-heading{display:block;margin-bottom:24px}.section-heading h2,.sources h2{font-size:24px}.section-heading>p{margin-top:13px;max-width:none}.section-heading>p br{display:none}.table-scroll{margin-inline:0}.takeaway{padding:18px;gap:12px}.source-list li{grid-template-columns:1fr;gap:4px;padding:17px 0}.site-footer{flex-wrap:wrap;gap:10px 20px;padding-block:25px}.site-footer span{margin-left:0;flex-basis:100%}}
.site-header{position:sticky;top:0;z-index:20}.site-header nav a{position:relative;transition:color .18s}.site-header nav a[aria-current="location"]::after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:2px;background:#7d982e}.changes-wrap,.faq-wrap{background:var(--paper)}.timeline{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:40px 0 35px;border-top:1px solid #c9d4c9;gap:40px}.timeline li{position:relative;padding-top:26px}.timeline li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--forest);position:absolute;top:-5px;left:0}.timeline-status{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.timeline time{font-size:26px;font-weight:750;letter-spacing:-1px;line-height:1.4}.timeline h3{font-size:16px;margin-top:11px}.timeline p{font-size:14px;color:var(--muted);margin-top:6px;word-break:keep-all;max-width:310px}.transition-note{display:flex;align-items:center;gap:34px;border-top:1px solid var(--line);padding-top:28px}.big-number{flex:none;font-size:17px;letter-spacing:-.5px}.big-number strong{font-size:47px;line-height:1;font-weight:750;margin-inline:4px}.transition-note h3{font-size:17px;margin-bottom:7px}.transition-note p{font-size:14px;color:var(--muted);max-width:735px}.plant-section{display:grid;grid-template-columns:1fr 1.7fr;gap:70px}.plant-intro h2,.faq-layout h2{font-size:32px;line-height:1.45;letter-spacing:-1.2px;margin:12px 0 19px}.plant-intro>p:not(.eyebrow),.faq-layout>div>p:not(.eyebrow){font-size:15px;color:var(--muted)}.plant-intro .source-note{max-width:235px;margin-top:20px;font-size:13px!important}.plant-workspace{padding:28px 32px;background:var(--paper);border-radius:4px}.form-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-fields label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}select{display:block;width:100%;min-height:48px;padding:10px 34px 10px 12px;border:1px solid #c8d3c9;border-radius:3px;color:var(--ink);background:#fff;font-size:14px;cursor:pointer}.button-dark{color:white;background:var(--forest);margin-top:20px}.button-dark:hover{background:#285044}.plant-result{border-top:1px solid #c8d3c9;margin-top:25px;padding-top:25px}.result-label{font-size:12px;color:#4b651b;font-weight:700;margin-bottom:8px}.plant-result h3{font-size:21px;line-height:1.5;letter-spacing:-.6px}.plant-result>p:not(.result-label){font-size:14px;color:var(--muted);margin-top:10px}.plant-result ul{padding-left:19px;margin:14px 0 0;font-size:14px}.plant-result li{padding:4px 0}.plant-result .source-note{font-size:12px!important}.faq-layout{display:grid;grid-template-columns:1fr 1.7fr;gap:70px}.faq-list{border-top:2px solid var(--ink)}details{border-bottom:1px solid #d4dfd4}summary{padding:21px 38px 21px 0;cursor:pointer;font-size:16px;font-weight:650;list-style:none;position:relative;line-height:1.6;transition:color .2s}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:5px;top:17px;font-size:25px;font-weight:350;color:var(--muted)}details[open] summary::after{content:"−"}summary:hover{color:#567120}details>div{padding:0 30px 24px 0;color:var(--muted);font-size:14px;line-height:1.85}details>div .source-note{display:inline-block;margin-top:10px}.site-footer>a:not(.footer-brand){font-size:12px;color:var(--muted)}
@media(max-width:1020px){.site-header nav{gap:18px}.plant-section,.faq-layout{gap:36px;grid-template-columns:1fr 1.65fr}.plant-workspace{padding:25px}.plant-intro h2,.faq-layout h2{font-size:28px}.timeline{gap:25px}.timeline time{font-size:23px}}
@media(max-width:720px){.site-header{position:static;gap:17px;padding-bottom:15px}.site-header nav{flex-basis:100%;margin:0;justify-content:space-between;gap:12px}.site-header nav a{font-size:12px;white-space:nowrap}.site-header nav a[aria-current="location"]::after{bottom:-6px}.timeline{grid-template-columns:1fr;gap:0;border-top:0;border-left:1px solid #c9d4c9;margin:28px 0 25px;padding-left:25px}.timeline li{padding:0 0 28px}.timeline li:last-child{padding-bottom:0}.timeline li::before{top:5px;left:-30px}.timeline-status{margin-bottom:2px}.timeline time{font-size:25px}.timeline h3{margin-top:6px}.timeline p{max-width:none}.transition-note{align-items:flex-start;gap:22px;flex-direction:column;padding-top:25px}.big-number strong{font-size:42px}.transition-note h3{font-size:16px}.plant-section,.faq-layout{grid-template-columns:1fr;gap:26px}.plant-intro h2,.faq-layout h2{font-size:26px;margin:10px 0 13px}.plant-intro h2 br,.faq-layout h2 br{display:none}.plant-intro>p br,.faq-layout>div>p br{display:none}.plant-intro .source-note{max-width:none;margin-top:10px}.plant-workspace{padding:23px 20px}.form-fields{grid-template-columns:1fr;gap:18px}.plant-result h3{font-size:20px}summary{font-size:15px;padding-block:19px}.hero-inner{padding-top:32px}.hero h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}