:root{--paper: #fbf8f1;--paper-deep: #f2ecdf;--white: #fffefa;--ink: #243444;--ink-soft: #52606d;--navy: #263f55;--navy-deep: #183044;--terracotta: #bd624d;--terracotta-deep: #994b3a;--sage: #75866d;--sage-light: #e9eee5;--gold: #d5a64f;--line: #ddd6c8;--line-strong: #c8beae;--warning: #fff2e3;--serif: "Gowun Batang", "Batang", serif;--sans: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;--mono: ui-monospace, "SFMono-Regular", Consolas, monospace;--shadow: 0 16px 45px rgba(46, 52, 54, .08);--radius: 18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:7rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:100;padding:.75rem 1rem;background:var(--navy-deep);color:#fff;border-radius:0 0 8px 8px}.skip-link:focus{top:0}.site-header{position:sticky;top:0;z-index:30;background:#fbf8f1f0;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.header-inner{max-width:76rem;min-height:5rem;margin:0 auto;padding:.75rem 2rem;display:flex;align-items:center;gap:2rem}.brand{display:inline-flex;align-items:center;gap:.8rem;margin-right:auto}.brand-mark{width:2.8rem;height:2.8rem;border-radius:50%;display:grid;place-items:center;background:var(--terracotta);color:#fff;font-family:var(--serif);font-size:.92rem;font-weight:700;box-shadow:inset 0 0 0 3px #ffffff38}.brand-copy{display:flex;flex-direction:column;line-height:1.25}.brand-copy strong{font-family:var(--serif);font-size:1.22rem;color:var(--navy-deep)}.brand-copy small{color:var(--ink-soft);font-size:.7rem;margin-top:.16rem}.primary-nav{display:flex;align-items:center;gap:.25rem}.primary-nav a{padding:.58rem .75rem;border-radius:999px;color:var(--ink-soft);font-size:.88rem;font-weight:600}.primary-nav a:hover,.primary-nav a.active{background:var(--paper-deep);color:var(--terracotta-deep)}.search-link{display:inline-flex;align-items:center;gap:.38rem;border-left:1px solid var(--line);padding-left:1.25rem;color:var(--navy);font-size:.86rem;font-weight:600}.search-link:hover{color:var(--terracotta-deep)}.site-main{min-height:calc(100vh - 13rem)}.site-footer{max-width:76rem;margin:5rem auto 0;padding:2.5rem 2rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:2rem;color:var(--ink-soft);font-size:.86rem}.site-footer strong{font-family:var(--serif);color:var(--navy-deep);font-size:1.1rem}.site-footer p{margin:.25rem 0 0}.footer-rule{text-align:right}.eyebrow,.letter-no{margin:0 0 .8rem;color:var(--terracotta-deep);font-size:.78rem;font-weight:700;letter-spacing:.08em}.button{min-height:3rem;padding:.75rem 1.15rem;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:.7rem;font-size:.9rem;font-weight:700;transition:transform .18s ease,background .18s ease}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--navy);color:#fff}.button.primary:hover{background:var(--navy-deep)}.button.quiet{border:1px solid var(--line-strong);background:#ffffff70;color:var(--navy)}.home-hero{max-width:76rem;margin:0 auto;padding:5.5rem 2rem 5rem;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(18rem,.72fr);align-items:center;gap:clamp(3rem,8vw,7rem)}.hero-letter{max-width:42rem}.hero-letter h1{margin:0 0 1.8rem;color:var(--navy-deep);font-family:var(--serif);font-size:clamp(3.3rem,6vw,5.6rem);line-height:1.13;letter-spacing:-.055em}.hero-letter>p:not(.eyebrow):not(.note-all){margin:.75rem 0;max-width:39rem}.hero-lead{font-family:var(--serif);font-size:1.22rem;line-height:1.8;color:var(--navy)}.note-all{margin:1.3rem 0 0;color:var(--ink-soft);font-size:.84rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}.today-note{position:relative;padding:2.8rem 2.3rem 2.3rem;background:var(--white);border:1px solid var(--line);border-radius:4px 4px 22px;box-shadow:var(--shadow);transform:rotate(1deg)}.today-note:after{content:"";position:absolute;right:-1px;bottom:-1px;border-style:solid;border-width:0 0 32px 32px;border-color:transparent transparent var(--paper-deep) transparent}.note-pin{position:absolute;top:-9px;left:50%;width:4.8rem;height:1.35rem;transform:translate(-50%) rotate(-2deg);background:#d5a64f7a;border:1px solid rgba(174,126,39,.14)}.note-label{color:var(--terracotta-deep);font-size:.78rem;font-weight:700}.today-note h2{margin:.5rem 0 1.5rem;font-family:var(--serif);font-size:1.9rem;line-height:1.45;color:var(--navy-deep)}.today-note ol{margin:0;padding:0;list-style:none}.today-note li{display:flex;align-items:center;gap:.7rem;margin:.8rem 0;font-size:.9rem}.today-note li span{width:1.65rem;height:1.65rem;display:grid;place-items:center;border-radius:50%;background:var(--sage-light);color:var(--sage);font-size:.72rem;font-weight:700}.note-sign{margin:1.8rem 0 0;text-align:right;color:var(--ink-soft);font-family:var(--serif);font-size:.86rem}.home-section{max-width:76rem;margin:0 auto;padding:5rem 2rem}.task-section{border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2rem}.section-heading h2,.course-intro h2{margin:0;font-family:var(--serif);color:var(--navy-deep);font-size:clamp(2rem,4vw,3rem);line-height:1.3;letter-spacing:-.035em}.section-heading>a{color:var(--terracotta-deep);font-size:.86rem;font-weight:700}.task-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem}.task-card{position:relative;min-height:14rem;padding:1.45rem;background:#fffefad1;border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.task-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--terracotta)}.task-icon{width:2.6rem;height:2.6rem;display:grid;place-items:center;border-radius:12px;background:var(--sage-light);color:var(--sage);font-family:var(--serif);font-weight:700}.task-time{position:absolute;top:1.5rem;right:1.4rem;color:var(--ink-soft);font-size:.72rem}.task-card h3{margin:1.2rem 0 .3rem;font-family:var(--serif);font-size:1.35rem;color:var(--navy-deep)}.task-card p{margin:0;color:var(--ink-soft);font-size:.86rem;line-height:1.6}.task-card small{margin-top:auto;padding-top:1rem;color:var(--sage);font-size:.72rem;font-weight:600}.card-arrow{position:absolute;right:1.4rem;bottom:1.3rem;color:var(--terracotta)}.course-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(3rem,8vw,7rem);align-items:center;border-top:1px solid var(--line)}.course-intro>p:not(.eyebrow){color:var(--ink-soft);max-width:28rem}.course-list{border-top:1px solid var(--line-strong)}.course-list>a{padding:1.5rem .25rem;border-bottom:1px solid var(--line-strong);display:grid;grid-template-columns:3rem 1fr auto;align-items:center;gap:1rem}.course-list>a:hover strong{color:var(--terracotta-deep)}.course-number{color:var(--terracotta);font-family:var(--serif);font-size:1.35rem}.course-list small,.course-list strong{display:block}.course-list small{color:var(--ink-soft);font-size:.74rem;margin-bottom:.2rem}.course-list strong{color:var(--navy-deep);font-size:1rem}.safety-ribbon{max-width:72rem;margin:1rem auto 6rem;padding:2rem 2.2rem;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.5rem;background:var(--warning);border:1px solid #e8c9a8;border-radius:var(--radius)}.safety-mark{width:3.2rem;height:3.2rem;display:grid;place-items:center;border-radius:50%;background:var(--terracotta);color:#fff;font-family:var(--serif);font-size:1.5rem;font-weight:700}.safety-ribbon .eyebrow{margin-bottom:.2rem}.safety-ribbon h2{margin:0;color:var(--navy-deep);font-family:var(--serif);font-size:1.35rem}.safety-ribbon p:not(.eyebrow){margin:.25rem 0 0;color:var(--ink-soft);font-size:.85rem}.safety-ribbon>a{color:var(--terracotta-deep);font-size:.84rem;font-weight:700;white-space:nowrap}.home-closing{margin:-2.5rem auto 6rem;text-align:center;color:var(--terracotta-deep);font-family:var(--serif);font-size:1.15rem}.reading-layout{max-width:74rem;margin:0 auto;padding:3rem 2rem 5rem;display:grid;grid-template-columns:minmax(0,48rem) 14rem;gap:5rem;align-items:start}.reading-main{min-width:0}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem;color:var(--ink-soft);font-size:.75rem}.breadcrumbs a:hover{color:var(--terracotta-deep)}.article-header{margin:2.2rem 0 3rem;padding-bottom:2.2rem;border-bottom:1px solid var(--line)}.article-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1.1rem}.article-tags span{padding:.25rem .65rem;border-radius:999px;background:var(--sage-light);color:var(--sage);font-size:.7rem;font-weight:700}.article-header h1{margin:0;max-width:45rem;font-family:var(--serif);color:var(--navy-deep);font-size:clamp(2.35rem,5vw,3.65rem);line-height:1.25;letter-spacing:-.045em}.article-header>p{margin:1.1rem 0 0;color:var(--ink-soft);font-size:.9rem}.desktop-toc{position:sticky;top:7rem;padding-top:1.3rem;border-top:2px solid var(--navy)}.desktop-toc>p{margin:0 0 1rem;color:var(--navy-deep);font-size:.78rem;font-weight:700}.desktop-toc ol{margin:0;padding:0;list-style:none;counter-reset:toc}.desktop-toc li{counter-increment:toc;margin:.65rem 0}.desktop-toc li a{display:grid;grid-template-columns:1.4rem 1fr;color:var(--ink-soft);font-size:.74rem;line-height:1.45}.desktop-toc li a:before{content:counter(toc,decimal-leading-zero);color:var(--terracotta);font-family:var(--serif)}.desktop-toc li a:hover{color:var(--terracotta-deep)}.toc-all{display:inline-block;margin-top:1.2rem;color:var(--terracotta-deep);font-size:.72rem;font-weight:700}.mobile-toc{display:none}.prose{color:var(--ink)}.prose>.letter-no{margin-top:-1rem}.prose>p:first-child:not(.letter-no),.prose>.letter-no+p{font-family:var(--serif);color:var(--navy);font-size:1.12rem;line-height:1.9}.prose h2{margin:4.5rem 0 1.25rem;padding-top:.25rem;color:var(--navy-deep);font-family:var(--serif);font-size:1.85rem;line-height:1.4;letter-spacing:-.025em}.prose h2:before{content:"";display:block;width:2.5rem;border-top:3px solid var(--terracotta);margin-bottom:.8rem}.prose h3{margin:2.6rem 0 .9rem;color:var(--navy);font-size:1.15rem;line-height:1.5}.prose p{margin:1rem 0}.prose strong{color:var(--navy-deep)}.prose a{color:var(--terracotta-deep);text-decoration:underline;text-decoration-color:#bd624d57;text-underline-offset:4px}.prose a:hover{text-decoration-color:currentColor}.prose ul,.prose ol{margin:1.2rem 0;padding-left:1.45rem}.prose li{margin:.58rem 0;padding-left:.2rem}.prose li::marker{color:var(--terracotta);font-weight:700}.prose hr{border:0;border-top:1px solid var(--line);margin:3.5rem 0}.prose img{display:block;max-width:100%;height:auto;margin:2rem 0;border:1px solid var(--line);border-radius:12px;background:#fff;box-shadow:0 10px 30px #2434440f}.prose code{padding:.14em .38em;border-radius:4px;background:var(--paper-deep);color:var(--terracotta-deep);font-family:var(--mono);font-size:.88em;overflow-wrap:anywhere}.prompt-block{margin:1.6rem 0;border:1px solid #31495d;border-radius:12px;overflow:hidden;background:var(--navy-deep);box-shadow:0 8px 24px #1830441a}.prompt-bar{min-height:2.8rem;padding:.55rem .7rem .55rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid rgba(255,255,255,.12);color:#cbd8df;font-size:.7rem}.copy-button{border:1px solid rgba(255,255,255,.25);border-radius:7px;padding:.3rem .65rem;background:transparent;color:#fff;font-size:.7rem;cursor:pointer}.copy-button:hover{background:#ffffff1a}.prose .prompt-block pre{margin:0;padding:1.3rem 1.4rem 1.5rem;background:transparent;color:#f5f1e8;font-family:var(--mono);font-size:.82rem;line-height:1.7;white-space:pre-wrap;overflow-x:auto}.prose .prompt-block pre code{padding:0;background:none;color:inherit}.prose blockquote{margin:1.6rem 0;padding:1.25rem 1.4rem;background:var(--sage-light);border:0;border-left:4px solid var(--sage);border-radius:0 10px 10px 0;color:#36463a}.prose blockquote p{margin:.45rem 0}.prose blockquote>:first-child{margin-top:0}.prose blockquote>:last-child{margin-bottom:0}.dad-note{position:relative;margin:2.6rem 0;padding:2rem 2.2rem 1.8rem;background:var(--white);border:1px solid var(--line);border-radius:4px 4px 20px;box-shadow:var(--shadow)}.dad-note:before{content:"“";position:absolute;right:1.6rem;top:-.25rem;color:var(--paper-deep);font-family:var(--serif);font-size:6rem;line-height:1}.dad-note .dad-note-label{position:relative;display:block;margin-bottom:.7rem;color:var(--terracotta-deep);font-size:.72rem;font-weight:700;letter-spacing:.09em}.dad-note p{position:relative;margin:0;color:var(--navy);font-family:var(--serif);font-size:1.15rem;line-height:1.85}.prose table{width:100%;margin:1.8rem 0;border-collapse:separate;border-spacing:0;display:block;overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--white);font-size:.85rem}.prose thead{background:var(--navy);color:#fff}.prose th,.prose td{min-width:8.5rem;padding:.8rem .9rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.prose th{color:#fff;font-weight:600}.prose tbody tr:last-child td{border-bottom:0}.prose tbody tr:nth-child(2n){background:#f2ecdf70}.article-pagination{margin-top:5rem;padding-top:1.4rem;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:1rem}.article-pagination a{min-height:6rem;padding:1rem 1.15rem;display:flex;flex-direction:column;justify-content:center;border:1px solid var(--line);border-radius:12px;background:#fffefa99}.article-pagination a:hover{border-color:var(--terracotta)}.article-pagination small{color:var(--terracotta-deep);font-size:.7rem;margin-bottom:.25rem}.article-pagination strong{color:var(--navy-deep);font-family:var(--serif);font-size:.96rem}.article-pagination .next{text-align:right}.guide-index{max-width:68rem;margin:0 auto;padding:4rem 2rem 6rem}.index-header{max-width:42rem;margin-bottom:3rem}.index-header h1{margin:0;color:var(--navy-deep);font-family:var(--serif);font-size:clamp(2.8rem,6vw,4.8rem);line-height:1.2;letter-spacing:-.05em}.index-header>p:last-child{max-width:36rem;color:var(--ink-soft)}.search-panel{padding:1.5rem 1.7rem;background:var(--navy);border-radius:var(--radius);color:#fff;display:grid;grid-template-columns:.55fr 1fr;align-items:center;gap:2rem;box-shadow:var(--shadow)}.search-panel strong,.search-panel span{display:block}.search-panel span{margin-top:.25rem;color:#cbd7de;font-size:.78rem}#search{min-width:0}.search-panel .pagefind-ui__search-input{height:3.1rem;border:0!important;border-radius:10px!important;background:#fff!important;font-family:var(--sans)!important;font-size:.88rem!important}.search-panel .pagefind-ui__search-clear{color:var(--ink)!important}.search-panel .pagefind-ui__drawer{position:absolute;z-index:10;max-width:35rem;margin-top:.5rem;padding:1rem;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.search-panel .pagefind-ui__result{padding:.7rem 0!important}.guide-groups{margin-top:4rem}.guide-group{display:grid;grid-template-columns:12rem 1fr;gap:2.5rem;padding:2.5rem 0;border-top:1px solid var(--line)}.guide-group>header{display:flex;gap:.8rem;align-items:baseline}.guide-group>header span{color:var(--terracotta);font-family:var(--serif)}.guide-group h2{margin:0;color:var(--navy-deep);font-family:var(--serif);font-size:1.25rem}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}.guide-list a{min-height:5.5rem;padding:1rem 1.1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;border:1px solid var(--line);border-radius:12px;background:#fffefaa8}.guide-list a:hover{border-color:var(--terracotta);box-shadow:0 8px 22px #2e34360d}.guide-list strong,.guide-list small{display:block}.guide-list strong{color:var(--navy-deep);font-size:.88rem}.guide-list small{margin-top:.3rem;color:var(--ink-soft);font-size:.68rem}.guide-list a>span:last-child{color:var(--terracotta)}@media(max-width:1000px){.task-grid{grid-template-columns:repeat(2,1fr)}.reading-layout{grid-template-columns:minmax(0,1fr);max-width:50rem;gap:0}.desktop-toc{display:none}.mobile-toc{display:block;margin:-1rem 0 2.5rem;border:1px solid var(--line);border-radius:12px;background:#fffefaa6}.mobile-toc summary{padding:.9rem 1rem;color:var(--navy-deep);font-size:.82rem;font-weight:700;cursor:pointer}.mobile-toc summary span{float:right;color:var(--terracotta)}.mobile-toc ol{margin:0;padding:0 1.2rem 1rem 2.5rem}.mobile-toc li{margin:.45rem 0;color:var(--ink-soft);font-size:.78rem}}@media(max-width:780px){html{scroll-padding-top:8.5rem}.header-inner{min-height:auto;padding:.65rem 1rem 0;display:grid;grid-template-columns:1fr auto;gap:.5rem 1rem}.brand-mark{width:2.35rem;height:2.35rem;font-size:.78rem}.brand-copy strong{font-size:1rem}.brand-copy small{display:none}.search-link{border:0;padding:.5rem}.search-link span{display:none}.search-link{grid-column:2;grid-row:1}.primary-nav{grid-column:1 / -1;grid-row:2;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.primary-nav a{padding:.65rem .2rem;border-radius:0;text-align:center;font-size:.74rem}.primary-nav a:hover,.primary-nav a.active{background:transparent;border-bottom:2px solid var(--terracotta)}.home-hero{padding:3.7rem 1.25rem 4rem;grid-template-columns:1fr;gap:3rem}.hero-letter h1{font-size:clamp(2.75rem,13vw,4rem)}.today-note{max-width:30rem;padding:2.3rem 1.7rem 1.8rem;transform:rotate(.35deg)}.home-section{padding:4rem 1.25rem}.course-section{grid-template-columns:1fr;gap:2rem}.safety-ribbon{margin:1rem 1.25rem 4rem;padding:1.5rem;grid-template-columns:auto 1fr}.safety-ribbon>a{grid-column:2}.reading-layout{padding:2rem 1.25rem 4rem}.article-header{margin:1.5rem 0 2.5rem}.article-header h1{font-size:clamp(2.1rem,10vw,3rem)}.prose h2{margin-top:3.8rem;font-size:1.55rem}.guide-index{padding:3rem 1.25rem 5rem}.search-panel{grid-template-columns:1fr;gap:1rem}.search-panel .pagefind-ui__drawer{position:relative}.guide-group{grid-template-columns:1fr;gap:1.2rem}.site-footer{margin-top:3rem;padding:2rem 1.25rem;display:block}.footer-rule{margin-top:1.5rem!important;text-align:left}}@media(max-width:520px){.hero-letter h1{font-size:2.8rem;letter-spacing:-.06em}.hero-lead{font-size:1.05rem}.hero-actions{display:grid}.task-grid{grid-template-columns:1fr}.task-card{min-height:12rem}.section-heading{display:block}.section-heading>a{display:inline-block;margin-top:1rem}.safety-ribbon{grid-template-columns:1fr}.safety-ribbon>a{grid-column:auto}.safety-mark{width:2.6rem;height:2.6rem}.article-pagination{grid-template-columns:1fr}.article-pagination .next{text-align:left}.guide-list{grid-template-columns:1fr}.prose .prompt-block pre{padding:1.1rem;font-size:.76rem}.prose table{font-size:.78rem}.dad-note{padding:1.6rem 1.4rem}}@media print{.site-header,.site-footer,.breadcrumbs,.desktop-toc,.mobile-toc,.article-pagination,.copy-button{display:none!important}body{background:#fff;color:#000;font-size:11pt}.reading-layout{display:block;max-width:none;padding:0}.article-header{margin-top:0}.prompt-block{break-inside:avoid;box-shadow:none}}