@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-sm:.25rem;--radius-md:.375rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, 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;color-scheme:light}:root[data-theme=dark]{--bg:#1d1b4a;--bg-soft:#ffffff0a;--surface:#ffffff0a;--ink:#fff;--text:#ffffffe0;--caption:#ffffffb8;--hairline:#ffffff1f;--control-border:#ffffff5c;--focus-ring:#b99eff;--heading:#fff;--accent:var(--lavender);--link:var(--lavender);--link-hover:var(--lavender-pale);--brand-band:#ffffff0a;--header-bg:#1d1b4adb;--cta-bg:var(--lavender);--cta-fg:var(--indigo);--btn-primary-bg:var(--lavender);--btn-primary-fg:var(--indigo);--btn-ghost-border:var(--lavender);--btn-ghost-fg:var(--lavender-pale);--number:#fff;--filter-on:var(--lavender);--filter-on-mix:14%;--stale-bg:#ffbc5538;--stale-fg:#fff;--fresh-bg:#25c5a829;--fresh-fg:#25c5a8;--code-bg:#ffffff0f;--callout-note-bg:#b99eff1a;--callout-note-line:var(--lavender);--callout-warning-bg:#ffbc551f;--callout-tip-bg:#25c5a81a;--callout-info-bg:#0095c31f;--callout-info-line:#0095c3;--type-tool:#0095c3;--type-tool-ink:#ffffffeb;--type-concept:var(--lavender);--type-concept-ink:#ffffffeb;--type-technique:#25c5a8;--type-technique-ink:#ffffffeb;--type-analysis:var(--line-coaching);--type-analysis-ink:#ffffffeb;--type-source:#ffffff80;--type-source-ink:#ffffffeb;--shadow-card:0 1px 0 #ffffff0a inset;--shadow-lift:0 16px 40px #00000047;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#1d1b4a;--bg-soft:#ffffff0a;--surface:#ffffff0a;--ink:#fff;--text:#ffffffe0;--caption:#ffffffb8;--hairline:#ffffff1f;--control-border:#ffffff5c;--focus-ring:#b99eff;--heading:#fff;--accent:var(--lavender);--link:var(--lavender);--link-hover:var(--lavender-pale);--brand-band:#ffffff0a;--header-bg:#1d1b4adb;--cta-bg:var(--lavender);--cta-fg:var(--indigo);--btn-primary-bg:var(--lavender);--btn-primary-fg:var(--indigo);--btn-ghost-border:var(--lavender);--btn-ghost-fg:var(--lavender-pale);--number:#fff;--filter-on:var(--lavender);--filter-on-mix:14%;--stale-bg:#ffbc5538;--stale-fg:#fff;--fresh-bg:#25c5a829;--fresh-fg:#25c5a8;--code-bg:#ffffff0f;--callout-note-bg:#b99eff1a;--callout-note-line:var(--lavender);--callout-warning-bg:#ffbc551f;--callout-tip-bg:#25c5a81a;--callout-info-bg:#0095c31f;--callout-info-line:#0095c3;--type-tool:#0095c3;--type-tool-ink:#ffffffeb;--type-concept:var(--lavender);--type-concept-ink:#ffffffeb;--type-technique:#25c5a8;--type-technique-ink:#ffffffeb;--type-analysis:var(--line-coaching);--type-analysis-ink:#ffffffeb;--type-source:#ffffff80;--type-source-ink:#ffffffeb;--shadow-card:0 1px 0 #ffffff0a inset;--shadow-lift:0 16px 40px #00000047;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}@media (max-width:1024px){:root{--header-h:72px;--section:88px}}@media (max-width:640px){:root{--gutter:20px;--section:64px;--fs-body:16px;--fs-lead:18px;--flow:24px}}html{background:var(--bg);scroll-padding-top:calc(var(--header-h) + 20px);-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-ko);font-size:var(--fs-body);word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;margin:0;line-height:1.8}h1,h2,h3,h4{color:var(--heading);word-break:keep-all}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-radius:4px}::selection{background:#b99eff59}.sr-only{clip:rect(0, 0, 0, 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p:not(.kicker){color:var(--text);margin:12px 0 0;font-size:18px;line-height:1.7}.section-head-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.section{padding:var(--section) 0}.section+.section{padding-top:0}.section.band{background:var(--brand-band);padding-top:var(--section)}.t-tool{--t:var(--type-tool);--t-ink:var(--type-tool-ink)}.t-concept{--t:var(--type-concept);--t-ink:var(--type-concept-ink)}.t-technique{--t:var(--type-technique);--t-ink:var(--type-technique-ink)}.t-analysis{--t:var(--type-analysis);--t-ink:var(--type-analysis-ink)}.t-source{--t:var(--type-source);--t-ink:var(--type-source-ink)}.kicker.typed{--kicker-ink:var(--t-ink);--kicker-line:var(--t)}:root[data-theme=dark] .kicker.typed:before,:root[data-theme=dark] .chip:before{content:"";background:var(--t,var(--control-border));border-radius:50%;flex:none;width:6px;height:6px}:root[data-theme=dark] .chip{background:#ffffff14}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .kicker.typed:before,:root:not([data-theme=light]) .chip:before{content:"";background:var(--t,var(--control-border));border-radius:50%;flex:none;width:6px;height:6px}:root:not([data-theme=light]) .chip{background:#ffffff14}}.btn-row{flex-wrap:wrap;gap:12px;display:flex}.btn{border-radius:var(--radius-pill);min-height:48px;transition:transform var(--ease), box-shadow var(--ease), background-color var(--ease), color var(--ease), border-color var(--ease);white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:10px;padding:12px 26px;font-size:16px;font-weight:700;line-height:1.2;display:inline-flex}.btn .arr{transition:transform var(--ease)}.btn:hover .arr{transform:translate(3px)}.btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-fg)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px #302d7c47}.btn-point{background:var(--cta-bg);color:var(--cta-fg)}.btn-point:hover{transform:translateY(-2px);box-shadow:0 12px 28px #b51f5247}.btn-ghost{color:var(--btn-ghost-fg);border-color:var(--btn-ghost-border);background:0 0}.btn-ghost:hover{background:#6955ba0f;transform:translateY(-2px)}.text-link{color:var(--link);align-items:center;gap:6px;font-size:15px;font-weight:700;display:inline-flex}.text-link:hover{color:var(--link-hover)}.text-link:hover .arr{transform:translate(3px)}.text-link .arr{transition:transform var(--ease)}.site-header{z-index:100;background:var(--header-bg);-webkit-backdrop-filter:saturate(180%)blur(18px);backdrop-filter:saturate(180%)blur(18px);border-bottom:1px solid var(--hairline);position:fixed;inset:0 0 auto}.header-inner{max-width:var(--maxw);padding:0 var(--gutter);height:var(--header-h);align-items:center;gap:24px;margin:0 auto;display:flex}.brand{color:var(--indigo);flex:none;align-items:center;gap:16px;display:flex}:root[data-theme=dark] .brand{color:#fff}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .brand{color:#fff}}.brand-logo{width:auto;height:60px;display:block}.brand-name{border-left:1px solid var(--hairline);flex-direction:column;padding-left:16px;line-height:1.15;display:flex}.brand-name b{font-family:var(--font-num);letter-spacing:-.01em;color:var(--heading);font-size:17px;font-weight:800}.brand-name small{font-family:var(--font-num);letter-spacing:.14em;text-transform:uppercase;color:var(--caption);margin-top:3px;font-size:11.5px;font-weight:600}.main-nav{margin-left:auto}.nav-list{align-items:center;gap:4px;margin:0;padding:0;list-style:none;display:flex}.nav-list a{white-space:nowrap;color:var(--heading);transition:background-color var(--ease), color var(--ease);border-radius:10px;padding:9px 14px;font-size:15px;font-weight:600;display:block}.nav-list a:hover{background:var(--bg-soft);color:var(--link-hover)}.nav-list a[aria-current=page]{color:var(--t-ink,var(--indigo));font-weight:800;box-shadow:inset 0 -2px}.mobile-panel a[aria-current=page]{color:var(--accent);padding-left:14px;font-weight:800;box-shadow:inset 3px 0}.header-tools{flex:none;align-items:center;gap:8px;display:flex}.search-trigger{white-space:nowrap;border-radius:var(--radius-pill);border:1px solid var(--hairline);background:var(--surface);height:42px;color:var(--caption);cursor:pointer;transition:border-color var(--ease);align-items:center;gap:10px;padding:0 12px 0 14px;font-size:14.5px;display:inline-flex}.search-trigger:hover{border-color:var(--control-border);color:var(--heading)}.search-trigger kbd{font-family:var(--font-num);background:var(--bg-soft);border:1px solid var(--hairline);color:var(--caption);border-radius:6px;padding:2px 7px;font-size:12px;font-weight:600}.icon-btn{border-radius:var(--radius-pill);width:44px;height:44px;color:var(--heading);cursor:pointer;transition:background-color var(--ease);background:0 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auto;display:grid}.footer-logo{color:#fff;width:120px;height:auto;margin-bottom:24px;display:block}.footer-brand p{max-width:360px;margin:0;font-size:15px;line-height:1.7}.footer-brand .slogan{font-family:var(--font-num);letter-spacing:.14em;text-transform:uppercase;color:var(--lavender);margin-bottom:10px;font-size:12.5px;font-weight:700}.footer-col h2{font-family:var(--font-num);letter-spacing:.14em;text-transform:uppercase;color:#ffffffb8;margin:0 0 16px;font-size:12.5px;font-weight:700}.footer-col ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.footer-col a{color:#fff;font-size:15px;font-weight:600}.footer-col a:hover{text-underline-offset:3px;text-decoration:underline}.site-footer :focus-visible{outline-color:var(--lavender)}.footer-bottom{max-width:var(--maxw);padding:0 var(--gutter) 32px;margin:0 auto}.footer-bottom-inner{color:#ffffffb8;border-top:1px solid 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