._page_ifuhh_1{min-height:100svh;color:var(--ink);word-break:normal;overflow-wrap:break-word;background:radial-gradient(circle at 8% 4%, color-mix(in srgb, var(--purple) 14%, transparent), transparent 24rem), radial-gradient(circle at 92% 10%, color-mix(in srgb, var(--cyan) 18%, transparent), transparent 28rem), var(--ivory)}._page_ifuhh_1 p,._page_ifuhh_1 li,._page_ifuhh_1 summary{text-wrap:pretty}._translationNote_ifuhh_18{border-inline-start:3px solid var(--purple);color:var(--muted);background:var(--surface-2);overflow-wrap:anywhere;border-radius:6px;margin:16px 0 24px;padding:12px 16px;font-size:.93rem;line-height:1.65}html[lang=ko] ._page_ifuhh_1{word-break:keep-all}html[lang=ko] ._hubHero_ifuhh_34 h1{letter-spacing:-.055em;font-size:clamp(2.65rem,5.5vw,4.3rem);line-height:1}._skipLink_ifuhh_40{z-index:100;border:2px solid var(--edge);color:var(--on-accent);background:var(--lime);border-radius:10px;padding:10px 14px;font-weight:900;position:fixed;inset-block-start:12px;inset-inline-start:12px;transform:translateY(-160%)}._skipLink_ifuhh_40:focus{transform:translateY(0)}._siteHeader_ifuhh_58{z-index:10;border-block-end:1px solid var(--line);background:color-mix(in srgb, var(--paper) 94%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:relative}._headerInner_ifuhh_66,._footerInner_ifuhh_67,._contentWidth_ifuhh_68{width:min(1160px,100% - 40px);margin-inline:auto}._headerInner_ifuhh_66{justify-content:space-between;align-items:center;gap:24px;min-height:74px;display:flex}._brand_ifuhh_81{color:var(--ink);white-space:nowrap;align-items:center;gap:10px;font-size:1.02rem;font-weight:900;line-height:1;text-decoration:none;display:inline-flex}._brandMark_ifuhh_93{border:2px solid var(--edge);width:36px;height:36px;color:var(--on-accent);background:var(--lime);box-shadow:3px 3px 0 var(--shadow-ink);border-radius:10px;place-items:center;font-size:1.14rem;font-weight:900;display:inline-grid}._headerNav_ifuhh_107{align-items:center;gap:4px;display:flex}._visuallyHidden_ifuhh_113{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}._languagePicker_ifuhh_125{align-items:center;margin-inline:4px;display:inline-flex;position:relative}._languagePicker_ifuhh_125:before{content:"◎";color:var(--muted);pointer-events:none;font-size:.72rem;position:absolute;inset-inline-start:9px}._languagePicker_ifuhh_125 select{border:1px solid var(--line);width:126px;min-height:38px;color:var(--ink);background:var(--paper);font:inherit;cursor:pointer;border-radius:9px;padding:7px 24px 7px 26px;font-size:.78rem;font-weight:800}._languagePicker_ifuhh_125 select:hover,._languagePicker_ifuhh_125 select:focus-visible{border-color:var(--edge);box-shadow:0 0 0 2px color-mix(in srgb, var(--lime) 42%, transparent);outline:none}._headerNav_ifuhh_107 a{color:var(--muted);white-space:nowrap;border-radius:9px;padding:10px 12px;font-size:.88rem;font-weight:800;text-decoration:none}._headerNav_ifuhh_107 a:hover,._headerNav_ifuhh_107 a:focus-visible,._headerNav_ifuhh_107 a[aria-current=page]{color:var(--ink);background:var(--surface-2)}._headerNav_ifuhh_107 ._navCta_ifuhh_179{border:2px solid var(--edge);color:var(--on-accent);background:var(--lime);margin-inline-start:6px}._headerNav_ifuhh_107 ._navCta_ifuhh_179:hover,._headerNav_ifuhh_107 ._navCta_ifuhh_179:focus-visible{color:var(--on-accent);background:var(--yellow)}._hubHero_ifuhh_34{padding-block:clamp(68px,9vw,118px) clamp(62px,8vw,96px)}._hubHeroGrid_ifuhh_196{grid-template-columns:minmax(0,1.2fr) minmax(280px,.68fr);align-items:center;gap:clamp(36px,7vw,88px);display:grid}._eyebrow_ifuhh_203,._sectionEyebrow_ifuhh_204,._guideEyebrow_ifuhh_205{color:var(--muted);letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px;font-size:.75rem;font-weight:900}._hubHero_ifuhh_34 h1,._guideHero_ifuhh_215 h1{color:var(--ink);letter-spacing:-.065em;text-wrap:balance;margin:0;font-size:clamp(2.65rem,7vw,5.8rem);font-weight:900;line-height:.96}._hubHero_ifuhh_34 h1 span{color:var(--purple);display:block}._heroLead_ifuhh_230{max-width:720px;color:var(--muted);margin:26px 0 0;font-size:clamp(1.04rem,2vw,1.22rem);line-height:1.78}._heroActions_ifuhh_238,._ctaActions_ifuhh_239{flex-wrap:wrap;gap:12px;margin-block-start:30px;display:flex}._primaryButton_ifuhh_246,._secondaryButton_ifuhh_247{border:2px solid var(--edge);min-height:48px;color:var(--on-accent);background:var(--lime);box-shadow:4px 4px 0 var(--shadow-ink);white-space:nowrap;border-radius:11px;justify-content:center;align-items:center;padding:10px 18px;font-size:.92rem;font-weight:900;text-decoration:none;transition:transform .14s,box-shadow .14s;display:inline-flex}._secondaryButton_ifuhh_247{color:var(--ink);background:var(--paper)}._primaryButton_ifuhh_246:hover,._secondaryButton_ifuhh_247:hover{box-shadow:2px 2px 0 var(--shadow-ink);transform:translate(2px,2px)}._heroDiagram_ifuhh_276{isolation:isolate;place-items:center;min-height:336px;display:grid;position:relative}._heroDiagram_ifuhh_276:before,._heroDiagram_ifuhh_276:after{content:"";z-index:-1;border:2px solid var(--edge);border-radius:28px;position:absolute}._heroDiagram_ifuhh_276:before{background:var(--pink);width:76%;height:76%;inset:5% auto auto 3%;transform:rotate(-7deg)}._heroDiagram_ifuhh_276:after{background:var(--cyan);width:78%;height:78%;inset:auto 2% 3% auto;transform:rotate(7deg)}._blockDemo_ifuhh_309{aspect-ratio:1;border:3px solid var(--edge);width:min(280px,76vw);color:var(--ink);background:var(--paper);box-shadow:var(--shadow);border-radius:28px;grid-template-rows:1fr .66fr;grid-template-columns:.9fr 1.1fr;gap:8px;padding:28px;display:grid;transform:rotate(-1deg)}._blockDemo_ifuhh_309 b{border:2px solid var(--edge);border-radius:16px;place-items:center;font-size:clamp(2.5rem,7vw,4rem);line-height:1;display:grid}._blockDemo_ifuhh_309 b:first-child{background:var(--lime)}._blockDemo_ifuhh_309 b:nth-child(2){background:var(--yellow)}._blockDemo_ifuhh_309 b:nth-child(3){background:var(--purple);color:#fff;grid-column:1/-1}._librarySection_ifuhh_348,._methodSection_ifuhh_349{padding-block:72px}._librarySection_ifuhh_348{border-block:1px solid var(--line);background:color-mix(in srgb, var(--paper) 74%, transparent)}._sectionHeading_ifuhh_358{max-width:780px;margin-block-end:34px}._sectionHeading_ifuhh_358 h2,._methodCopy_ifuhh_364 h2,._ctaPanel_ifuhh_365 h2{letter-spacing:-.05em;text-wrap:balance;margin:0;font-size:clamp(2rem,5vw,3.55rem);font-weight:900;line-height:1.04}._sectionHeading_ifuhh_358 p,._methodCopy_ifuhh_364>p,._ctaPanel_ifuhh_365>p{color:var(--muted);font-size:1.02rem;line-height:1.75}._featuredCard_ifuhh_382{--guide-accent:var(--yellow);border:2px solid var(--edge);color:var(--ink);background:linear-gradient(135deg, color-mix(in srgb, var(--guide-accent) 28%, var(--paper)), var(--paper) 68%);box-shadow:var(--shadow);border-radius:22px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;margin-block-end:24px;padding:clamp(24px,5vw,42px);text-decoration:none;display:grid}._featuredCard_ifuhh_382:hover h3,._guideCard_ifuhh_400:hover h3{text-underline-offset:4px;text-decoration:underline;text-decoration-thickness:2px}._cardTag_ifuhh_406{border:1px solid var(--edge);width:fit-content;color:var(--on-accent);background:var(--guide-accent);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;margin:0 0 14px;padding:6px 9px;font-size:.7rem;font-weight:900;display:inline-flex}._featuredCard_ifuhh_382 h3,._guideCard_ifuhh_400 h3{color:var(--ink);letter-spacing:-.035em;text-wrap:balance;margin:0;font-size:clamp(1.35rem,3vw,2.05rem);line-height:1.16}._featuredCard_ifuhh_382 p,._guideCard_ifuhh_400 p{color:var(--muted);margin:12px 0 0;line-height:1.66}._cardArrow_ifuhh_438{border:2px solid var(--edge);background:var(--paper);border-radius:50%;place-items:center;width:52px;height:52px;font-size:1.5rem;font-weight:900;display:grid}._guideGrid_ifuhh_450{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;display:grid}._guideCard_ifuhh_400{--guide-accent:var(--lime);border:2px solid var(--edge);min-height:278px;color:var(--ink);background:linear-gradient(155deg, color-mix(in srgb, var(--guide-accent) 18%, var(--paper)), var(--paper) 54%);box-shadow:5px 5px 0 var(--shadow-ink);border-radius:18px;flex-direction:column;padding:26px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex}._guideCard_ifuhh_400:hover{box-shadow:3px 3px 0 var(--shadow-ink);transform:translate(2px,2px)}._guideCard_ifuhh_400[data-accent=lime],._guideHero_ifuhh_215[data-accent=lime],._relatedCard_ifuhh_479[data-accent=lime]{--guide-accent:var(--lime)}._guideCard_ifuhh_400[data-accent=pink],._guideHero_ifuhh_215[data-accent=pink],._relatedCard_ifuhh_479[data-accent=pink]{--guide-accent:var(--pink)}._guideCard_ifuhh_400[data-accent=purple],._guideHero_ifuhh_215[data-accent=purple],._relatedCard_ifuhh_479[data-accent=purple]{--guide-accent:var(--purple)}._guideCard_ifuhh_400[data-accent=cyan],._guideHero_ifuhh_215[data-accent=cyan],._relatedCard_ifuhh_479[data-accent=cyan]{--guide-accent:var(--cyan)}._guideCard_ifuhh_400[data-accent=yellow],._guideHero_ifuhh_215[data-accent=yellow],._relatedCard_ifuhh_479[data-accent=yellow]{--guide-accent:var(--yellow)}._cardMeta_ifuhh_507{color:var(--muted);letter-spacing:.04em;margin-block-start:auto;padding-block-start:24px;font-size:.76rem;font-weight:800}._methodGrid_ifuhh_516{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:clamp(34px,7vw,80px);display:grid}._principles_ifuhh_523{gap:14px;display:grid}._principle_ifuhh_523{border:1px solid var(--line);background:var(--paper);border-radius:16px;grid-template-columns:auto 1fr;gap:16px;padding:20px;display:grid}._principle_ifuhh_523 span{border:2px solid var(--edge);width:36px;height:36px;color:var(--on-accent);background:var(--cyan);border-radius:10px;place-items:center;font-weight:900;display:grid}._principle_ifuhh_523 h3{margin:0 0 5px;font-size:1rem}._principle_ifuhh_523 p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.6}._ctaWrap_ifuhh_562{padding-block:22px 86px}._ctaPanel_ifuhh_365{border:2px solid var(--edge);background:linear-gradient(125deg, color-mix(in srgb, var(--purple) 24%, var(--paper)), color-mix(in srgb, var(--cyan) 18%, var(--paper)));box-shadow:var(--shadow);border-radius:24px;padding:clamp(30px,6vw,58px)}._ctaPanel_ifuhh_365>p{max-width:720px}._siteFooter_ifuhh_579{border-block-start:1px solid var(--line);background:var(--paper)}._footerInner_ifuhh_67{justify-content:space-between;gap:36px;min-height:190px;padding-block:44px;display:flex}._footerInner_ifuhh_67 p{max-width:500px;color:var(--muted);line-height:1.6}._footerInner_ifuhh_67 nav{align-content:start;justify-items:end;gap:10px;display:grid}._footerInner_ifuhh_67 nav a{color:var(--muted);font-size:.86rem;font-weight:700;text-decoration:none}._footerInner_ifuhh_67 nav a:hover{color:var(--ink);text-decoration:underline}._breadcrumb_ifuhh_619{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;padding-block:28px 10px;font-size:.8rem;font-weight:700;display:flex}._breadcrumb_ifuhh_619 a{color:inherit;text-decoration:none}._breadcrumb_ifuhh_619 a:hover{color:var(--ink);text-decoration:underline}._breadcrumb_ifuhh_619 span[aria-hidden=true]{opacity:.55}._guideHero_ifuhh_215{--guide-accent:var(--lime);border:2px solid var(--edge);background:radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--guide-accent) 60%, transparent), transparent 23rem), var(--paper);box-shadow:var(--shadow);border-radius:26px;margin-block:14px 56px;padding:clamp(30px,6vw,62px);position:relative;overflow:hidden}._guideHero_ifuhh_215:after{content:"한";color:color-mix(in srgb, var(--guide-accent) 30%, transparent);pointer-events:none;font-size:clamp(9rem,24vw,20rem);font-weight:900;line-height:1;position:absolute;inset:auto -.02em -.35em auto}._guideEyebrow_ifuhh_205{z-index:1;border:1px solid var(--edge);width:fit-content;color:var(--on-accent);background:var(--guide-accent);border-radius:999px;padding:7px 10px;position:relative}._guideHero_ifuhh_215 h1{z-index:1;max-width:900px;font-size:clamp(2.55rem,6.6vw,5.1rem);position:relative}._guideStandfirst_ifuhh_687{z-index:1;max-width:760px;color:var(--muted);margin:24px 0 0;font-size:clamp(1.03rem,2vw,1.2rem);line-height:1.76;position:relative}._articleMeta_ifuhh_697{z-index:1;color:var(--muted);flex-wrap:wrap;gap:8px 18px;margin-block-start:24px;font-size:.78rem;font-weight:700;display:flex;position:relative}._articleLayout_ifuhh_709{grid-template-columns:230px minmax(0,760px);justify-content:center;gap:clamp(34px,6vw,78px);padding-block-end:84px;display:grid}._toc_ifuhh_717{border:1px solid var(--line);background:var(--paper);border-radius:16px;height:fit-content;padding:20px;position:sticky;inset-block-start:22px}._toc_ifuhh_717 p{letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px;font-size:.72rem;font-weight:900}._toc_ifuhh_717 ol{gap:9px;margin:0;padding-inline-start:20px;display:grid}._toc_ifuhh_717 a{color:var(--muted);font-size:.8rem;line-height:1.45;text-decoration:none}._toc_ifuhh_717 a:hover,._toc_ifuhh_717 a:focus-visible{color:var(--ink);text-decoration:underline}._article_ifuhh_697{min-width:0}._learningGoals_ifuhh_759,._quickAnswer_ifuhh_760,._callout_ifuhh_761,._drill_ifuhh_762,._editorial_ifuhh_763,._references_ifuhh_764{border-radius:17px}._learningGoals_ifuhh_759{border:2px solid var(--edge);background:var(--surface-2);margin-block-end:36px;padding:24px 26px}._learningGoals_ifuhh_759 h2,._quickAnswer_ifuhh_760 h2,._drill_ifuhh_762 h2,._mistakesBlock_ifuhh_778 h2,._faqBlock_ifuhh_779 h2,._references_ifuhh_764 h2,._relatedBlock_ifuhh_781 h2{letter-spacing:-.035em;text-wrap:balance;margin:0;font-size:clamp(1.45rem,3vw,2rem)}._learningGoals_ifuhh_759 ul{margin:14px 0 0;padding-inline-start:22px}._learningGoals_ifuhh_759 li{margin-block:8px;line-height:1.6}._intro_ifuhh_798{margin-block-end:34px}._intro_ifuhh_798 p,._section_ifuhh_204 p,._quickAnswer_ifuhh_760 p,._drill_ifuhh_762>p,._mistakeCard_ifuhh_806 p,._faqBlock_ifuhh_779 details p,._editorial_ifuhh_763 p,._references_ifuhh_764 p,._relatedBlock_ifuhh_781>p{color:var(--muted);font-size:1rem;line-height:1.8}._intro_ifuhh_798 p:first-child:first-letter{float:left;color:var(--purple);margin:.06em .11em 0 0;font-size:3.65em;font-weight:900;line-height:.82}._quickAnswer_ifuhh_760{border:2px solid var(--edge);background:color-mix(in srgb, var(--lime) 18%, var(--paper));border-inline-start-width:9px;margin-block:34px 50px;padding:25px 28px}._quickAnswer_ifuhh_760 p{color:var(--ink);margin-block-end:0}._section_ifuhh_204{padding-block:12px 46px;scroll-margin-top:22px}._section_ifuhh_204 h2{color:var(--ink);letter-spacing:-.045em;text-wrap:balance;margin:0 0 18px;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.14}._section_ifuhh_204 p{margin:0 0 16px}._section_ifuhh_204 ul,._section_ifuhh_204 ol{margin:20px 0;padding-inline-start:24px}._section_ifuhh_204 li{color:var(--muted);margin-block:10px;padding-inline-start:4px;line-height:1.7}._tableWrap_ifuhh_869{border:2px solid var(--edge);background:var(--paper);border-radius:14px;width:100%;margin-block:26px;overflow-x:auto}._tableWrap_ifuhh_869 table{border-collapse:collapse;text-align:start;width:100%;min-width:580px}._tableWrap_ifuhh_869 caption{border-block-end:1px solid var(--line);color:var(--muted);text-align:start;padding:14px 16px;font-size:.76rem;font-weight:800}._tableWrap_ifuhh_869 th,._tableWrap_ifuhh_869 td{border-block-end:1px solid var(--line);text-align:start;vertical-align:top;padding:13px 15px;font-size:.86rem;line-height:1.5}._tableWrap_ifuhh_869 th{color:var(--ink);background:var(--surface-2);font-weight:900}._tableWrap_ifuhh_869 td{color:var(--muted)}._tableWrap_ifuhh_869 tr:last-child td{border-block-end:0}._examples_ifuhh_918{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-block:24px;display:grid}._example_ifuhh_918{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:18px}._exampleHead_ifuhh_932{justify-content:space-between;align-items:baseline;gap:12px;margin-block-end:12px;display:flex}._exampleHead_ifuhh_932 span{color:var(--muted);font-size:.74rem;font-weight:800}._example_ifuhh_918 code,._drillItem_ifuhh_947 code{border:1px solid var(--line);color:var(--ink);background:var(--surface-2);border-radius:7px;padding:4px 7px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.84rem;font-weight:800}._exampleResult_ifuhh_958{color:var(--ink);align-items:center;gap:10px;font-size:1.3rem;font-weight:900;display:flex}._exampleResult_ifuhh_958 span[aria-hidden=true]{color:var(--muted);font-size:.9rem}._example_ifuhh_918 p{margin:10px 0 0;font-size:.82rem;line-height:1.55}._callout_ifuhh_761{border:2px solid var(--edge);background:color-mix(in srgb, var(--yellow) 24%, var(--paper));margin-block:24px;padding:20px 22px}._callout_ifuhh_761 h3{margin:0 0 6px;font-size:1rem}._callout_ifuhh_761 p{color:var(--ink);margin:0;font-size:.9rem;line-height:1.66}._drill_ifuhh_762{border:2px solid var(--edge);background:linear-gradient(145deg, color-mix(in srgb, var(--cyan) 24%, var(--paper)), var(--paper));box-shadow:5px 5px 0 var(--shadow-ink);margin-block:30px 54px;padding:clamp(24px,5vw,36px)}._drillList_ifuhh_1006{gap:10px;margin-block:24px;display:grid}._drillItem_ifuhh_947{border:1px solid var(--line);background:var(--paper);border-radius:11px;grid-template-columns:minmax(100px,.5fr) minmax(90px,.5fr) minmax(100px,.5fr) minmax(180px,1fr);align-items:center;gap:12px;padding:13px;display:grid}._drillItem_ifuhh_947 b{font-size:.82rem}._drillItem_ifuhh_947 strong{font-size:1.15rem}._drillItem_ifuhh_947 span{color:var(--muted);font-size:.78rem;line-height:1.45}._checkpoint_ifuhh_1037{border-inline-start:5px solid var(--purple);color:var(--ink);background:var(--surface-2);margin:0;padding:15px 17px;font-size:.9rem;line-height:1.65}._mistakesBlock_ifuhh_778,._faqBlock_ifuhh_779,._references_ifuhh_764,._relatedBlock_ifuhh_781{margin-block:54px}._mistakeGrid_ifuhh_1054{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-block-start:22px;display:grid}._mistakeCard_ifuhh_806{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:19px}._mistakeCard_ifuhh_806 h3{margin:0;font-size:.96rem;line-height:1.45}._mistakeCard_ifuhh_806 p{margin:9px 0 0;font-size:.86rem;line-height:1.62}._fixLabel_ifuhh_1080{color:var(--purple);letter-spacing:.06em;text-transform:uppercase;margin-inline-end:6px;font-size:.7rem;font-weight:900;display:inline-block}._faqBlock_ifuhh_779 details{border-block-end:1px solid var(--line)}._faqBlock_ifuhh_779 summary{color:var(--ink);cursor:pointer;padding-block:18px;font-weight:850;line-height:1.5}._faqBlock_ifuhh_779 details p{margin:-4px 0 18px}._editorial_ifuhh_763{border:1px solid var(--line);background:var(--surface-2);margin-block:46px;padding:22px 24px}._editorial_ifuhh_763 h2{margin:0 0 8px;font-size:1rem}._editorial_ifuhh_763 p{margin:0;font-size:.86rem;line-height:1.65}._references_ifuhh_764{border:1px solid var(--line);background:var(--paper);padding:24px}._references_ifuhh_764>p{margin-block:8px 0;font-size:.86rem}._references_ifuhh_764 ul{gap:10px;margin:18px 0 0;padding-inline-start:22px;display:grid}._references_ifuhh_764 li{color:var(--muted);font-size:.84rem;line-height:1.55}._references_ifuhh_764 a{color:var(--ink);text-underline-offset:3px;font-weight:750}._relatedGrid_ifuhh_1154{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-block-start:20px;display:grid}._relatedCard_ifuhh_479{--guide-accent:var(--lime);border:1px solid var(--line);border-block-start:6px solid 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