._page_149i1_1{--research-ink:var(--ink,#17242e);--research-muted:color-mix(in srgb, var(--research-ink) 72%, var(--paper,#fff));--research-line:var(--line,#d6dce0);--research-tint:color-mix(in srgb, var(--research-ink) 4%, var(--paper,#fff));color:var(--research-ink);overflow-wrap:anywhere;max-width:1180px;margin:0 auto;padding:32px 0 24px;font-size:16px;line-height:1.8}._page_149i1_1 *,._page_149i1_1 :before,._page_149i1_1 :after{box-sizing:border-box}._page_149i1_1 h1,._page_149i1_1 h2,._page_149i1_1 h3,._page_149i1_1 p,._page_149i1_1 dl,._page_149i1_1 dd{margin:0}._page_149i1_1 a{color:inherit}._page_149i1_1 :is(a,button,[tabindex]):focus-visible{outline-offset:5px;outline:2px solid}._page_149i1_1 :is(h1,h2,h3){text-wrap:balance;letter-spacing:-.035em}._page_149i1_1[lang=ko]{word-break:keep-all}._masthead_149i1_20{border-top:2px solid var(--research-ink);letter-spacing:.07em;justify-content:space-between;gap:16px;padding-top:18px;font-size:.75rem;line-height:1.5;display:flex}._masthead_149i1_20>span:first-child{font-weight:650}._masthead_149i1_20>span:last-child{color:var(--research-muted);letter-spacing:.015em}._masthead_149i1_20>span>span{opacity:.5;padding-inline:12px;font-weight:400}._heroGrid_149i1_24{grid-template-columns:1.08fr 1fr;align-items:start;gap:56px;padding:52px 0 42px;display:grid}._heroGrid_149i1_24 h1{white-space:pre-line;font-size:clamp(2.25rem,3.7vw,3.6rem);font-weight:500;line-height:1.16}._heroGrid_149i1_24 ._introduction_149i1_26{font-size:1.0625rem;line-height:1.9}._introduction_149i1_26 p+p{color:var(--research-muted);margin-top:18px;font-size:1rem}._summary_149i1_28{border-block:1px solid var(--research-line);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}._summary_149i1_28>div{border-left:1px solid var(--research-line);padding:22px 24px}._summary_149i1_28>div:first-child{border-left:0;padding-left:0}._summary_149i1_28 dt{color:var(--research-muted);margin-bottom:5px;font-size:.75rem}._summary_149i1_28 dd{font-size:.9375rem;font-weight:550;line-height:1.6}._contents_149i1_33{flex-wrap:wrap;gap:10px 27px;padding:23px 0;display:flex}._contents_149i1_33 a{align-items:baseline;gap:8px;font-size:.8125rem;line-height:1.6;text-decoration:none;display:inline-flex}._contents_149i1_33 a span{opacity:.55;font-variant-numeric:tabular-nums;font-size:.75rem}._contents_149i1_33 a:hover{text-underline-offset:5px;text-decoration:underline}._section_149i1_37{border-top:1px solid var(--research-line);grid-template-columns:minmax(220px,.7fr) minmax(0,1.7fr);gap:64px;padding:52px 0;scroll-margin-top:90px;display:grid}._sectionHeading_149i1_38{min-width:0}._sectionLabel_149i1_39,._smallLabel_149i1_39{color:var(--research-muted);letter-spacing:.025em;font-size:.75rem;line-height:1.6;display:block}._sectionLabel_149i1_39>span{font-variant-numeric:tabular-nums;padding-right:12px}._sectionHeading_149i1_38 h2{white-space:pre-line;margin-top:18px;font-size:clamp(1.4rem,2vw,1.9rem);font-weight:500;line-height:1.45}._sectionBody_149i1_42{min-width:0}._prose_149i1_43{max-width:76ch;font-size:1rem;line-height:1.9}._prose_149i1_43 p+p{margin-top:20px}._sourceKinds_149i1_45{border-top:1px solid var(--research-line);margin-top:30px!important}._sourceKinds_149i1_45>div{border-bottom:1px solid var(--research-line);grid-template-columns:145px minmax(0,1fr);gap:24px;padding:20px 0;display:grid}._sourceKinds_149i1_45 dt{font-size:.875rem;font-weight:600}._sourceKinds_149i1_45 dd{color:var(--research-muted);font-size:.9375rem;line-height:1.8}._note_149i1_49{color:var(--research-muted);font-size:.8125rem;line-height:1.85;margin-top:22px!important}._architecture_149i1_50{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:stretch;gap:24px;margin-top:32px;display:grid}._stack_149i1_51{min-width:0}._stackLabel_149i1_52{color:var(--research-muted);align-items:center;gap:7px;margin-bottom:14px;font-size:.75rem;display:flex}._stackLabel_149i1_52 svg{flex-shrink:0}._layerList_149i1_54{border-top:1px solid var(--research-line)}._layer_149i1_54{border:0;border-bottom:1px solid var(--research-line);width:100%;color:inherit;text-align:left;cursor:pointer;background:0 0;grid-template-columns:26px 1fr 12px;align-items:start;gap:9px;padding:17px 12px;line-height:1.5;transition:background .15s;display:grid}._layer_149i1_54:hover{background:var(--research-tint)}._layer_149i1_54[aria-selected=true]{background:var(--research-ink);color:var(--paper,#fff)}._layerCode_149i1_58{font-variant-numeric:tabular-nums;opacity:.7;padding-top:2px;font-size:.75rem}._layer_149i1_54 strong{font-size:.9375rem;font-weight:550;display:block}._layer_149i1_54 small{opacity:.72;margin-top:4px;font-size:.75rem;display:block}._layerMark_149i1_61{font-size:1rem;line-height:1.3}._layerDetail_149i1_62{background:var(--research-tint);border:1px solid var(--research-line);padding:24px}._layerDetail_149i1_62[hidden]{display:none}._detailCode_149i1_64{letter-spacing:.08em;color:var(--research-muted);font-size:.75rem}._layerDetail_149i1_62 h3{margin:12px 0 25px;font-size:1.35rem;font-weight:550;line-height:1.5}._layerDetail_149i1_62 dl>div+div{margin-top:24px}._layerDetail_149i1_62 dt{color:var(--research-muted);margin-bottom:8px;font-size:.75rem}._layerDetail_149i1_62 dd{font-size:.9375rem;line-height:1.85}._reviewQuestion_149i1_69{border-top:1px solid var(--research-line);margin-top:24px;padding-top:18px}._reviewQuestion_149i1_69 span{color:var(--research-muted);font-size:.75rem}._reviewQuestion_149i1_69 p{margin-top:8px;font-size:.9375rem;font-weight:550;line-height:1.85}._steps_149i1_72{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 28px;margin:30px 0;padding:0;list-style:none;display:grid}._steps_149i1_72 li{border-top:1px solid var(--research-line);padding-top:14px}._steps_149i1_72 li>span{color:var(--research-muted);font-variant-numeric:tabular-nums;font-size:.75rem}._steps_149i1_72 h3{margin:7px 0;font-size:1rem;font-weight:600}._steps_149i1_72 p{color:var(--research-muted);font-size:.9375rem;line-height:1.8}._example_149i1_77{border-left:2px solid var(--research-ink);background:var(--research-tint);padding:24px 28px}._example_149i1_77 h3{margin:12px 0 22px;font-size:1.25rem;font-weight:550;line-height:1.65}._example_149i1_77 dl>div{border-top:1px solid var(--research-line);grid-template-columns:135px minmax(0,1fr);gap:18px;padding:15px 0;display:grid}._example_149i1_77 dt{font-size:.8125rem;font-weight:550}._example_149i1_77 dd{font-size:.9375rem;line-height:1.8}._standards_149i1_82{margin-top:25px}._standards_149i1_82>div{border-top:1px solid var(--research-line);grid-template-columns:28px 1fr;gap:16px;padding:22px 0;display:grid}._standardNumber_149i1_84{color:var(--research-muted);font-variant-numeric:tabular-nums;padding-top:4px;font-size:.75rem}._standards_149i1_82 h3{margin-bottom:7px;font-size:1.0625rem;font-weight:550;line-height:1.7}._standards_149i1_82 p{color:var(--research-muted);font-size:.9375rem;line-height:1.85}._application_149i1_87{border:1px solid var(--research-line);margin-top:32px;padding:26px 28px}._application_149i1_87 h3{margin:9px 0 12px;font-size:1.3rem;font-weight:550}._application_149i1_87 p{font-size:.9375rem;line-height:1.85}._application_149i1_87 ul{border-block:1px solid var(--research-line);grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 22px;margin:18px 0;padding:18px 0;font-size:.875rem;list-style:none;display:grid}._applicationLinks_149i1_91{flex-wrap:wrap;gap:12px 24px;display:flex}._applicationLinks_149i1_91 a{text-underline-offset:5px;align-items:center;gap:8px;font-size:.875rem;text-decoration:underline;display:inline-flex}._references_149i1_93 h2{font-size:1.2rem}._references_149i1_93 ._note_149i1_49{margin-top:0!important}._references_149i1_93 ol{margin:22px 0 0;padding:0;list-style:none}._references_149i1_93 li+li{margin-top:22px}._references_149i1_93 li>span{color:var(--research-muted);margin-bottom:4px;font-size:.75rem;display:block}._references_149i1_93 li a{text-underline-offset:4px;font-size:.875rem;text-decoration:underline}._references_149i1_93 li a svg{vertical-align:text-bottom;margin-left:5px;display:inline}._references_149i1_93 li p{color:var(--research-muted);margin-top:4px;font-size:.8125rem;line-height:1.8}._footer_149i1_101{border-top:1px solid var(--research-line);color:var(--research-muted);justify-content:space-between;align-items:center;gap:20px;padding-top:20px;font-size:.75rem;display:flex}._footer_149i1_101 a{white-space:nowrap;align-items:center;gap:7px;display:inline-flex}._srOnly_149i1_103{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:1100px){._heroGrid_149i1_24{gap:32px}._section_149i1_37{grid-template-columns:minmax(190px,.6fr) minmax(0,1.7fr);gap:32px}._architecture_149i1_50{grid-template-columns:minmax(0,1fr)}._layerDetail_149i1_62{min-height:320px}}@media (max-width:760px){._page_149i1_1{padding-top:18px}._masthead_149i1_20{flex-direction:column;gap:8px}._heroGrid_149i1_24{grid-template-columns:1fr;gap:26px;padding:32px 0}._heroGrid_149i1_24 h1{font-size:clamp(2rem,7.3vw,2.9rem);line-height:1.25}._heroGrid_149i1_24 ._introduction_149i1_26{font-size:1rem}._summary_149i1_28{grid-template-columns:1fr}._summary_149i1_28>div,._summary_149i1_28>div:first-child{border:0;grid-template-columns:80px minmax(0,1fr);gap:12px;padding:14px 0;display:grid}._summary_149i1_28>div+div{border-top:1px solid var(--research-line)}._summary_149i1_28 dt{margin:0;padding-top:2px}._summary_149i1_28 dd{font-size:.875rem}._contents_149i1_33{gap:12px 22px;padding:22px 0}._section_149i1_37{grid-template-columns:1fr;gap:26px;padding:36px 0;scroll-margin-top:78px}._sectionHeading_149i1_38 h2{margin-top:12px;font-size:1.65rem}._sourceKinds_149i1_45>div{grid-template-columns:1fr;gap:7px}._architecture_149i1_50{gap:22px;margin-top:24px}._layerDetail_149i1_62{min-height:0;padding:22px}._layer_149i1_54{padding:16px}._example_149i1_77{padding:22px}._example_149i1_77 dl>div{grid-template-columns:1fr;gap:7px}._application_149i1_87{padding:22px}._application_149i1_87 ul{grid-template-columns:1fr}._footer_149i1_101{align-items:flex-start}}@media (max-width:380px){._steps_149i1_72{grid-template-columns:1fr}._heroGrid_149i1_24 h1{font-size:1.95rem}}@media (prefers-reduced-motion:reduce){._layer_149i1_54{transition:none}}@media print{._page_149i1_1{--research-ink:#17242e;--research-muted:#495963;--research-line:#cbd2d6;--research-tint:#f5f7f8;--paper:#fff;max-width:none}._contents_149i1_33,._layerList_149i1_54,._stackHelp_149i1_138,._stackLabel_149i1_52,._footer_149i1_101 a{display:none}._section_149i1_37,._heroGrid_149i1_24,._architecture_149i1_50{display:block}._sectionHeading_149i1_38{margin-bottom:24px}._layerDetail_149i1_62[hidden]{display:block}._layerDetail_149i1_62{break-inside:avoid;margin-bottom:18px}._introduction_149i1_26{margin-top:24px}}
