/* A2A / The human connection. Native assets, restrained motion, accessible controls. */
:root{--paper:#f7f7f1;--ink:#183b2e;--forest:#214f3c;--forest-deep:#173e2d;--muted:#59675c;--metal:#8d927d;--line:#d9ded2;--lime:#d6e9b3;--white:#fff;--ease:cubic-bezier(.2,.7,.3,1);color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic","Apple SD Gothic Neo",sans-serif;font-synthesis:none;-webkit-font-smoothing:antialiased;line-height:1.5;font-weight:400}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;min-width:320px}button,select{font:inherit}button,a,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:wait;opacity:.58}button,a,select{outline-offset:5px}button:focus-visible,a:focus-visible,select:focus-visible,[tabindex="-1"]:focus-visible{outline:3px solid #528562}::selection{background:var(--lime);color:var(--forest-deep)}[hidden]{display:none!important}.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;left:24px;top:-70px;z-index:20;padding:12px 18px;background:var(--forest);color:var(--white);border-radius:4px}.skip-link:focus{top:16px}.page-frame{max-width:1680px;margin:0 auto;padding:0 64px}.site-header{height:116px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.brand-link{display:inline-flex;align-items:center;min-height:48px;flex-shrink:0}.brand-link img{display:block;width:136px;height:48px}.header-nav{display:flex;align-items:center;gap:34px}.header-protocol{font-size:13px;font-weight:500;min-height:44px;display:flex;align-items:center;position:relative}.header-protocol:after{content:"";position:absolute;bottom:7px;left:0;width:100%;height:1px;background:var(--forest);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}.header-protocol:hover:after{transform:scaleX(1)}.language-field{position:relative;display:flex;align-items:center;gap:8px;color:#4a6050}.language-field>svg:first-child{width:17px;height:17px;stroke:currentColor;stroke-width:1.15;flex-shrink:0}.language-field select{min-height:44px;appearance:none;border:0;background:transparent;color:var(--forest);font-size:12px;padding:0 23px 0 0;max-width:150px;cursor:pointer;border-radius:2px}.select-chevron{position:absolute;right:0;pointer-events:none;width:14px;height:14px;stroke:currentColor;stroke-width:1.2}.header-login{display:flex;align-items:center;justify-content:center;gap:21px;min-height:44px;background:transparent;color:var(--forest);border:1px solid #aebba8;border-radius:3px;padding:10px 16px;font-size:12px;font-weight:600;transition:background .18s,border-color .18s}.header-login svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.3}.header-login:hover{background:#e9eee0;border-color:var(--forest)}
.hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:20px;min-height:722px;align-items:center;padding:38px 0 44px}.hero-copy{padding:0 0 0 2px;position:relative;z-index:1;animation:arrive .28s var(--ease) both}.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 29px;font-size:10px;line-height:1.6;font-weight:600;letter-spacing:1.6px;color:#526b54}.eyebrow-line{width:27px;height:1px;background:#698469;display:inline-block;flex-shrink:0}.hero h1{font-size:clamp(42px,4.1vw,68px);font-weight:540;line-height:1.3;letter-spacing:-3.2px;margin:0 0 28px;word-break:keep-all;overflow-wrap:anywhere}.hero h1>span{display:block}.hero-title-second{color:#66785c}.hero-description{font-size:16px;color:#5a685a;line-height:1.95;margin:0;max-width:500px;font-weight:400;word-break:keep-all}.hero-actions{margin-top:35px}.xodian-button{display:flex;align-items:center;gap:15px;min-height:66px;padding:0 18px 0 13px;background:var(--forest);border:1px solid var(--forest);color:#fff;border-radius:4px;font-size:15px;font-weight:600;letter-spacing:-.2px;box-shadow:0 6px 15px #1c432c0b;transition:background .2s,transform .2s,box-shadow .2s}.xodian-button-mark{width:40px;height:40px;display:grid;place-items:center;border:1px solid #a5bd9d42;border-radius:2px}.xodian-button-mark img{opacity:1}.button-arrow{display:grid;place-items:center;width:36px;height:36px;margin-left:26px;border-left:1px solid #c0d0b339;padding-left:16px}.button-arrow svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.35;transition:transform .2s}.xodian-button:hover{background:#153d2b;box-shadow:0 10px 24px #183e2a16;transform:translateY(-1px)}.xodian-button:hover .button-arrow svg{transform:translateX(3px)}.xodian-button:active{transform:translateY(0)}.entry-note{display:flex;align-items:flex-start;gap:7px;margin:13px 0 0;font-size:11px;line-height:1.7;color:#5d6d5d}.entry-note svg{width:14px;height:14px;stroke:#5d785a;stroke-width:1.1;flex-shrink:0;margin-top:2px}.text-link{display:inline-flex;align-items:center;gap:15px;min-height:44px;margin-top:31px;color:#445b43;font-size:12px;font-weight:500}.text-link svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.2;transition:transform .2s}.text-link:hover svg{transform:translateY(3px)}
.hero-art{position:relative;align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-width:0;overflow:hidden;isolation:isolate;animation:arrive .3s .06s var(--ease) both}.art-topline,.art-baseline{display:flex;justify-content:space-between;align-items:center;font-size:8px;font-weight:500;letter-spacing:1.3px;color:#687c64}.art-topline{position:absolute;top:33px;left:30px;right:0;z-index:2}.art-edition{color:#7b8570;letter-spacing:1px}.art-stage{position:relative;aspect-ratio:1 / 1.08;max-height:618px;display:flex;align-items:center;justify-content:center}.art-halo{position:absolute;inset:5% -3% 7%;background:radial-gradient(ellipse at 55% 55%,#e3e9d8 0,#edf0e4 37%,#f7f7f100 71%);z-index:-1}.trust-sculpture{display:block;width:113%;max-width:none;height:auto;flex-shrink:0;margin-left:1%;filter:drop-shadow(0 24px 23px #21351d0b)}.art-baseline{margin:0 8px 0 30px;padding:16px 0 0;border-top:1px solid #d5ddce;letter-spacing:1.6px;font-size:8px}.art-cross{font-size:18px;line-height:1;font-weight:300;color:#6a815f}
.auth-panel{max-width:760px;margin:0 auto 62px;border:1px solid #bfcfb8;background:#edf2e7;padding:30px 34px;border-radius:4px;box-shadow:0 12px 32px #2a452207;scroll-margin-top:24px}.auth-panel-heading{display:flex;align-items:center;gap:18px}.auth-symbol{width:56px;height:56px;background:#dfe8d4;display:grid;place-items:center;border:1px solid #cfdbc3;flex-shrink:0}.auth-panel .eyebrow{font-size:9px;margin:0 0 8px;letter-spacing:1.5px}.auth-panel h2{font-size:23px;line-height:1.4;font-weight:550;letter-spacing:-.6px;margin:0}.auth-description{font-size:14px;line-height:1.8;color:#51644d;margin:23px 0 12px}.auth-status{padding:13px 0;margin:0;border-top:1px solid #cdd8c5;color:#365331;font-size:13px;line-height:1.8;overflow-wrap:anywhere}.auth-status[data-kind="error"]{color:#8a3b2d}.auth-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}.auth-primary,.auth-secondary,.auth-cancel{min-height:44px;border-radius:3px;font-size:12px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:14px;padding:11px 16px}.auth-primary{background:var(--forest);color:#fff;border:1px solid var(--forest)}.auth-primary svg{stroke:currentColor;stroke-width:1.3;width:17px;height:17px}.auth-primary:hover{background:var(--forest-deep)}.auth-secondary{background:#f7f9f2;border:1px solid #acbea3;color:#2d512a}.auth-secondary:hover{background:#e3eadb}.auth-cancel{border:0;background:transparent;color:#566b50;font-weight:500}.auth-cancel:hover{text-decoration:underline}
.protocol{border-top:1px solid var(--line);padding:68px 0 0;scroll-margin-top:34px}.section-intro{display:flex;justify-content:space-between;gap:50px;align-items:flex-end;margin-bottom:46px}.section-intro .eyebrow{margin:0 0 20px;font-size:9px;letter-spacing:1.8px}.section-intro h2{font-size:34px;line-height:1.55;font-weight:500;letter-spacing:-1.4px;margin:0;word-break:keep-all}.section-description{font-size:13px;line-height:1.95;color:#62715f;margin:0 0 5px;max-width:390px;word-break:keep-all}.trust-layers{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #cbd6c4;border-bottom:1px solid #cbd6c4}.trust-layer{padding:28px 32px 27px 0;min-width:0;position:relative}.trust-layer+.trust-layer{border-left:1px solid #d6ddcf;padding-left:32px}.trust-layer:last-child{padding-right:0}.layer-top{display:flex;align-items:center;gap:13px;margin-bottom:43px;color:#61765b}.layer-number{font-size:11px;font-variant-numeric:tabular-nums;color:#6e7f62}.layer-type{font-size:8px;letter-spacing:1.5px;font-weight:500}.layer-top svg{margin-left:auto;width:25px;height:25px;stroke:#66825b;stroke-width:1.1}.trust-layer h3{font-size:25px;font-weight:550;letter-spacing:1.6px;line-height:1.2;margin:0 0 18px}.layer-headline{font-size:15px;line-height:1.5;font-weight:550;letter-spacing:-.3px;margin:0 0 12px}.layer-description{font-size:12px;line-height:1.85;color:#62725b;max-width:295px;margin:0;min-height:68px;word-break:keep-all}.layer-bottom{display:inline-block;margin-top:29px;font-size:10px;color:#5a7352;letter-spacing:.5px;padding-left:15px;position:relative}.layer-bottom:before{content:"";width:5px;height:5px;border:1px solid #78936b;position:absolute;left:0;top:5px;border-radius:50%}.closing{display:flex;align-items:center;gap:22px;padding:61px 0 62px}.closing-mark{width:52px;display:flex;align-items:center;justify-content:center}.closing-mark img{display:block}.closing p{font-size:23px;font-weight:500;letter-spacing:-.9px;line-height:1.5;margin:0}.closing-link{border:0;border-bottom:1px solid #93aa86;background:transparent;min-height:44px;display:flex;align-items:center;gap:35px;margin-left:auto;padding:10px 0;color:#2f572d;font-size:13px;font-weight:600}.closing-link svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.3;transition:transform .2s}.closing-link:hover svg{transform:translateX(3px)}.site-footer{display:flex;align-items:center;gap:24px;min-height:97px;border-top:1px solid var(--line);font-size:10px;color:#74816b}.site-footer p{margin:0 0 0 auto;line-height:1.7}.footer-brand{font-size:18px;letter-spacing:-.8px;font-weight:600;color:#42603c;display:flex;align-items:center;gap:10px}.footer-brand>span{font-size:9px;font-weight:400;letter-spacing:.5px;color:#75836c}.footer-copyright{font-size:9px;letter-spacing:.5px;color:#73816b}
@keyframes arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.auth-qr{display:flex;align-items:center;gap:26px;margin:24px 0;padding:20px;background:#f7f9f2;border:1px solid #d1dcc9;border-radius:3px}.auth-qr-image{width:216px;max-width:100%;flex-shrink:0;background:#fff;line-height:0}.auth-qr-image svg{display:block;width:100%;height:auto;aspect-ratio:1}.auth-qr figcaption{display:grid;gap:9px;min-width:0;font-size:12px;line-height:1.8;color:#51644d;overflow-wrap:anywhere}.auth-qr figcaption strong{font-size:15px;font-weight:600;color:var(--forest)}
@media(max-width:650px){.auth-qr{flex-direction:column;gap:15px;padding:15px;margin:20px 0}.auth-qr-image{width:216px;max-width:100%}.auth-qr figcaption{text-align:center;font-size:12px}.auth-qr figcaption strong{font-size:14px}}
.hero-description,.section-description,#protocol-title{white-space:pre-line}
html:not([lang="ko"]) .hero h1{letter-spacing:-.045em;line-height:1.16}
@media(max-width:650px){.hero .hero-description{font-size:16px;line-height:1.8}.hero .entry-note{font-size:11px}.protocol .layer-description{font-size:14px}.protocol .section-description{font-size:14px}.auth-panel .auth-description{font-size:15px}.hero .xodian-button{font-size:16px}.hero-description,.section-description{white-space:normal}}
@media(min-width:1550px){.page-frame{padding:0 90px}.hero{min-height:790px}.hero h1{font-size:70px}.art-stage{max-height:680px}.art-topline{top:48px}}
@media(max-width:1199px){.page-frame{padding:0 38px}.site-header{height:99px}.header-nav{gap:24px}.hero{gap:8px;min-height:666px;padding-top:40px;padding-bottom:42px;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}.hero h1{font-size:49px;letter-spacing:-2.6px}.hero-description{font-size:14px}.hero .eyebrow{font-size:8px;letter-spacing:1.1px}.art-topline{left:22px;top:27px;font-size:7px;letter-spacing:.8px}.art-baseline{font-size:7px;letter-spacing:.8px;margin-left:22px}.section-description{max-width:320px;font-size:12px}.trust-layer{padding-right:23px}.trust-layer+.trust-layer{padding-left:23px}.layer-type{font-size:7px;letter-spacing:1px}.layer-top{gap:10px}.layer-description{min-height:90px}.xodian-button{font-size:14px}.button-arrow{margin-left:16px}}
@media(max-width:900px){.page-frame{padding:0 30px}.header-protocol{display:none}.header-nav{gap:18px}.hero{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);min-height:609px;padding-top:47px;padding-bottom:48px;gap:0}.hero h1{font-size:40px;letter-spacing:-2px}.hero-description{font-size:13px;line-height:1.9;max-width:350px}.hero-description br{display:none}.hero .eyebrow{font-size:7px;letter-spacing:.7px;gap:8px}.eyebrow-line{width:20px}.hero-actions{margin-top:27px}.xodian-button{min-height:60px;padding-left:10px;padding-right:13px;gap:11px;font-size:13px}.xodian-button-mark{width:35px;height:35px}.button-arrow{margin-left:3px;width:29px;padding-left:10px}.button-arrow svg{width:18px}.entry-note{font-size:10px;max-width:280px}.text-link{font-size:10px;margin-top:23px;gap:9px}.hero-art{margin-left:10px}.art-topline{top:18px;left:13px;font-size:6px;letter-spacing:.4px}.art-edition{font-size:6px;letter-spacing:.4px}.art-baseline{font-size:6px;letter-spacing:.5px;margin-left:13px;padding-top:12px}.art-cross{font-size:15px}.trust-sculpture{width:122%;margin-left:2%}.section-intro{gap:25px;margin-bottom:36px}.section-intro h2{font-size:28px}.section-description{max-width:265px;font-size:11px}.protocol{padding-top:51px}.trust-layer{padding:24px 18px 24px 0}.trust-layer+.trust-layer{padding-left:18px}.layer-top{margin-bottom:32px;gap:9px}.layer-type{font-size:6px;letter-spacing:.6px}.layer-top svg{width:21px;height:21px}.trust-layer h3{font-size:21px}.layer-headline{font-size:13px}.layer-description{font-size:11px;min-height:89px}.layer-bottom{font-size:9px}.closing{padding:43px 0}.closing p{font-size:20px}.closing-link{font-size:11px;gap:20px}.site-footer{min-height:85px;gap:18px}}
@media(max-width:650px){.page-frame{padding:0 23px}.site-header{height:87px;gap:10px}.brand-link img{width:111px;height:40px}.header-nav{gap:10px}.language-field{gap:6px}.language-field>svg:first-child{width:15px;height:15px}.language-field select{max-width:110px;font-size:11px;padding-right:16px}.select-chevron{width:11px}.header-login{display:none}.hero{display:flex;flex-direction:column;align-items:stretch;padding:53px 0 34px;gap:0;min-height:0}.hero-copy{padding-left:0}.hero .eyebrow{font-size:8px;letter-spacing:1px;margin-bottom:24px;gap:9px}.eyebrow-line{width:18px}.hero h1{font-size:clamp(35px,8.4vw,51px);letter-spacing:-2.2px;line-height:1.33;margin-bottom:24px}.hero-description{font-size:14px;line-height:1.9;max-width:460px;word-break:keep-all}.hero-description br{display:none}.hero-actions{margin-top:29px}.xodian-button{min-height:64px;padding:0 15px 0 12px;gap:13px;font-size:14px;max-width:100%;width:100%;justify-content:flex-start}.xodian-button-mark{width:38px;height:38px}.button-arrow{margin-left:auto;width:34px;padding-left:13px}.button-arrow svg{width:21px;height:21px}.entry-note{font-size:10px;max-width:none;margin-top:12px;justify-content:center;gap:6px}.entry-note svg{width:13px;height:13px}.text-link{font-size:11px;margin-top:22px;gap:12px}.hero-art{margin:34px -3px 0;align-self:stretch;height:390px;justify-content:center}.art-topline{font-size:7px;letter-spacing:1px;top:2px;left:8px;right:8px}.art-edition{font-size:7px}.art-stage{height:355px;width:100%;aspect-ratio:auto;max-height:none}.trust-sculpture{width:385px;max-width:115%;height:auto;max-height:none;margin:0;position:relative;top:-3px}.art-halo{inset:-4% 0 0}.art-baseline{font-size:7px;letter-spacing:1px;margin:0 8px;position:absolute;bottom:0;left:0;right:0;padding-top:13px}.art-cross{font-size:16px}.auth-panel{padding:23px 21px;margin-bottom:38px}.auth-panel-heading{align-items:flex-start;gap:13px}.auth-symbol{width:43px;height:43px}.auth-symbol img{width:26px;height:26px}.auth-panel .eyebrow{font-size:7px;letter-spacing:.9px;margin-bottom:6px}.auth-panel h2{font-size:20px;letter-spacing:-.5px}.auth-description{font-size:13px;margin-top:18px}.auth-status{font-size:12px}.auth-controls{gap:8px}.auth-primary,.auth-secondary,.auth-cancel{font-size:11px;padding:11px 12px}.protocol{padding-top:41px;scroll-margin-top:20px}.section-intro{display:block;margin-bottom:29px}.section-intro .eyebrow{font-size:8px;letter-spacing:1.6px;margin-bottom:15px}.section-intro h2{font-size:29px;letter-spacing:-1.2px;line-height:1.55}.section-description{font-size:12px;line-height:1.9;max-width:360px;margin:20px 0 0}.section-description br{display:none}.trust-layers{display:block;border-bottom:0}.trust-layer,.trust-layer+.trust-layer,.trust-layer:last-child{padding:25px 0 28px;border-left:0;border-bottom:1px solid #cbd6c4}.layer-top{margin-bottom:21px;gap:13px}.layer-number{font-size:10px}.layer-type{font-size:8px;letter-spacing:1.2px}.layer-top svg{width:23px;height:23px}.trust-layer h3{font-size:24px;letter-spacing:1.3px;margin-bottom:15px}.layer-headline{font-size:14px;margin-bottom:10px}.layer-description{font-size:12px;line-height:1.8;min-height:0;max-width:400px}.layer-bottom{font-size:9px;margin-top:23px}.closing{padding:37px 0 39px;flex-wrap:wrap;gap:13px}.closing-mark{width:34px}.closing-mark img{width:35px;height:35px}.closing p{font-size:20px;letter-spacing:-.7px;flex:1}.closing-link{font-size:12px;gap:0;justify-content:space-between;width:100%;margin-top:9px}.site-footer{padding:25px 0 29px;min-height:0;flex-wrap:wrap;gap:13px;justify-content:space-between}.footer-brand{font-size:17px}.footer-brand>span{font-size:8px}.site-footer p{order:3;margin:0;width:100%;font-size:9px}.footer-copyright{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.hero-copy,.hero-art{opacity:1;transform:none}}