:root{--bg:#fffdfb;--bg-subtle:#f5f1ec;--text:#24211e;--text-muted:#5f5852;--border:#e2dbd3;--border-strong:#cfc6bc;--accent:#a44a21;--accent-hover:#7f3818;--code-bg:#f1ece6;--code-text:#8a3d1a;--selection:#f6dfd1;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Nanum Gothic", sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", "Apple SD Gothic Neo", "Malgun Gothic", monospace;--measure:68ch;--gutter:1.25rem}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#16140f;--bg-subtle:#211e18;--text:#ece7e0;--text-muted:#a9a199;--border:#34302a;--border-strong:#4a453d;--accent:#e79463;--accent-hover:#f3b189;--code-bg:#262119;--code-text:#eaa274;--selection:#4a3122}}:root[data-theme=dark]{--bg:#16140f;--bg-subtle:#211e18;--text:#ece7e0;--text-muted:#a9a199;--border:#34302a;--border-strong:#4a453d;--accent:#e79463;--accent-hover:#f3b189;--code-bg:#262119;--code-text:#eaa274;--selection:#4a3122}:root[data-theme=light]{color-scheme:light}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;margin:0;font-size:1.0625rem;line-height:1.7;display:flex;overflow-x:hidden}@media (width>=40rem){body{font-size:1.125rem}}::selection{background:var(--selection)}.wrap{width:100%;max-width:var(--measure);padding-inline:var(--gutter);margin-inline:auto}main.wrap{flex:1 0 auto;padding-block:2.5rem 4rem}.skip-link{background:var(--bg);color:var(--text);border:2px solid var(--accent);z-index:10;border-radius:0 0 6px;padding:.75rem 1rem;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}h1,h2,h3,h4{letter-spacing:-.011em;overflow-wrap:break-word;margin:0 0 .6em;font-weight:700;line-height:1.25}h1{font-size:clamp(1.75rem,1.35rem + 1.9vw,2.4rem)}h2{border-bottom:1px solid var(--border);margin-top:2.4em;padding-bottom:.3em;font-size:clamp(1.35rem,1.15rem + .95vw,1.65rem)}h3{margin-top:2em;font-size:clamp(1.15rem,1.05rem + .5vw,1.3rem)}h4{margin-top:1.75em;font-size:1.05rem}p,ul,ol,blockquote,figure{margin:0 0 1.45em}ul,ol{padding-left:1.35em}li+li{margin-top:.4em}li>ul,li>ol{margin-top:.4em;margin-bottom:.4em}a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--accent-hover)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}strong{font-weight:700}hr{border:0;border-top:1px solid var(--border);margin:2.75em 0}blockquote{border-left:3px solid var(--border-strong);color:var(--text-muted);margin-inline:0;padding:.25em 0 .25em 1.15em}blockquote>:last-child{margin-bottom:0}img,video{max-width:100%;height:auto}code{font-family:var(--font-mono);background:var(--code-bg);color:var(--code-text);overflow-wrap:break-word;border-radius:4px;padding:.12em .34em;font-size:.9em}pre{background:var(--code-bg);border:1px solid var(--border);border-radius:8px;margin:0 0 1.45em;padding:1rem 1.1rem;font-size:.95rem;line-height:1.6;overflow-x:auto}pre code{color:inherit;font-size:inherit;background:0 0;border-radius:0;padding:0}.table-scroll{-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:8px;max-width:100%;margin:0 0 1.6em;overflow-x:auto}.table-scroll>table{border:0;border-radius:0;min-width:100%;margin:0}.audio-phrase{white-space:nowrap}.audio-btn{appearance:none;cursor:pointer;vertical-align:baseline;filter:saturate(.85);background:0 0;border:0;margin-left:.3em;padding:0 .1em;font-size:.95em;line-height:1;transition:transform 80ms;position:relative;top:.02em}.audio-btn:hover{filter:saturate(1.1);transform:scale(1.12)}.audio-btn:active{transform:scale(.95)}.audio-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}.fillblank{background:var(--bg-subtle);border-left:3px solid var(--accent);border-radius:10px;margin:1.75rem 0;padding:1.3rem 1.4rem}.fb-gloss{color:var(--text-muted);margin:0 0 .4rem;font-size:.95rem}.fb-prompt{margin:0 0 .6rem;font-size:1.15rem;font-weight:600;line-height:1.6}.fb-base{color:var(--text-muted);margin:0 0 .9rem;font-size:.92rem}.fb-base-word{color:var(--text);font-weight:600}.fb-row{flex-wrap:wrap;gap:.6rem;display:flex}.fb-input{min-width:0;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;flex:12rem;padding:.55rem .75rem;font-family:inherit;font-size:1.05rem}.fb-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.fb-check{color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:8px;flex:none;padding:.55rem 1.3rem;font-family:inherit;font-size:1rem;font-weight:700}.fb-check:hover{background:var(--accent-hover)}.fb-check:focus-visible{outline:2px solid var(--text);outline-offset:2px}.fb-choices{flex-wrap:wrap;gap:.55rem;display:flex}.fb-choice{color:var(--text);background:var(--bg);border:1.5px solid var(--border);cursor:pointer;border-radius:8px;flex:0 auto;padding:.6rem 1.1rem;font-family:inherit;font-size:1.1rem;transition:border-color .12s,background .12s}.fb-choice:hover:not(:disabled){border-color:var(--accent)}.fb-choice:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.fb-choice:disabled{cursor:default}.fb-choice.is-correct{background:#1f8a4c1f;border-color:#1f8a4c;font-weight:700}.fb-choice.is-wrong{opacity:.7;background:#c0563f1a;border-color:#c0563f;text-decoration:line-through}.fb-choice.is-dimmed{opacity:.45}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .fb-choice.is-correct{background:#5fce8f26;border-color:#5fce8f}:root:not([data-theme=light]) .fb-choice.is-wrong{background:#e0836a24;border-color:#e0836a}}:root[data-theme=dark] .fb-choice.is-correct{background:#5fce8f26;border-color:#5fce8f}:root[data-theme=dark] .fb-choice.is-wrong{background:#e0836a24;border-color:#e0836a}:root[data-theme=light] .fb-choice.is-correct{background:#1f8a4c1f;border-color:#1f8a4c}:root[data-theme=light] .fb-choice.is-wrong{background:#c0563f1a;border-color:#c0563f}.fb-hint{margin:.75rem 0 0;font-size:.92rem}.fb-hint summary{cursor:pointer;color:var(--text-muted);font-weight:600}.fb-hint p{color:var(--text-muted);margin:.5rem 0 0}.fb-feedback{margin:.9rem 0 0;font-size:.98rem;font-weight:600}.fb-pass{color:#1f8a4c}.fb-near{color:#b5730a}.fb-again{color:var(--text-muted)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .fb-pass{color:#5fce8f}:root:not([data-theme=light]) .fb-near{color:#e0a94a}}:root[data-theme=light] .fb-pass{color:#1f8a4c}:root[data-theme=light] .fb-near{color:#b5730a}:root[data-theme=dark] .fb-pass{color:#5fce8f}:root[data-theme=dark] .fb-near{color:#e0a94a}.fb-reveal{border-top:1px dashed var(--border);margin:1rem 0 0;padding-top:.9rem}.fb-reveal-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:0 0 .3rem;font-size:.75rem;font-weight:700}.fb-reveal-sentence{margin:0;font-size:1.15rem;line-height:1.7}table{border-collapse:collapse;table-layout:auto;width:100%;margin:0 0 1.6em;font-size:.95rem;line-height:1.55}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);overflow-wrap:break-word;padding:.6rem .85rem}thead th{background:var(--bg-subtle);white-space:nowrap;border-bottom:2px solid var(--border-strong);font-weight:700}tbody tr:last-child td{border-bottom:0}tbody tr:nth-child(2n){background:color-mix(in srgb, var(--bg-subtle) 55%, transparent)}tbody th{white-space:nowrap;background:color-mix(in srgb, var(--bg-subtle) 70%, transparent);font-weight:700}.ab-drill{background:var(--bg-subtle);border-left:3px solid var(--accent);border-radius:10px;margin:1.75rem 0;padding:1.3rem 1.4rem}.ab-title{margin:0 0 .9rem;font-size:1.05rem;font-weight:700}.ab-pair{align-items:stretch;gap:.75rem;display:flex}.ab-side{flex:1 1 0;min-width:0}.ab-btn{background:var(--bg);border:1.5px solid var(--border);cursor:pointer;width:100%;height:100%;color:var(--text);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:.35rem;padding:1rem .75rem;font-family:inherit;transition:border-color .12s,transform 80ms;display:flex}.ab-btn:hover:not(:disabled){border-color:var(--accent)}.ab-btn:active:not(:disabled){transform:scale(.98)}.ab-btn:disabled{cursor:not-allowed;opacity:.55}.ab-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ab-btn.is-playing{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent)}.ab-word{font-size:1.9rem;font-weight:700;line-height:1.1}.ab-latin{color:var(--text-muted);font-size:.9rem}.ab-play,.ab-noaudio{filter:saturate(.85);font-size:1rem}.ab-vs{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;flex:none;align-self:center;font-size:.85rem;font-weight:700}.ab-compare{width:100%;color:var(--accent);border:1.5px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;margin-top:.9rem;padding:.6rem 1rem;font-family:inherit;font-size:.98rem;font-weight:700;transition:border-color .12s,background .12s}.ab-compare:hover:not(:disabled){border-color:var(--accent);background:color-mix(in srgb, var(--accent) 8%, transparent)}.ab-compare:disabled{color:var(--text-muted);cursor:not-allowed;opacity:.6}.ab-compare:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.ab-tip{color:var(--text-muted);margin:.85rem 0 0;font-size:.94rem}.hangeul-build{vertical-align:top;flex-direction:column;align-items:center;gap:.4rem;margin:1.25rem .5rem;display:inline-flex}.hb-stage{place-items:center;width:5.5rem;height:5.5rem;display:grid;position:relative}.hb-jamo-row,.hb-result{grid-area:1/1}.hb-jamo-row{justify-content:center;align-items:center;font-size:2.4rem;font-weight:700;line-height:1;display:flex}.hb-result{font-size:3.6rem;font-weight:700;line-height:1}.hb-jamo{display:inline-block}.hb-label{color:var(--text-muted);text-align:center;margin:0;font-size:.9rem}.hb-replay{appearance:none;border:1px solid var(--border);background:var(--bg);color:var(--text-muted);cursor:pointer;border-radius:999px;width:1.9rem;height:1.9rem;font-size:1rem;line-height:1;transition:color .12s,border-color .12s,transform .3s}.hb-replay:hover{color:var(--accent);border-color:var(--accent)}.hb-replay:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hangeul-build .hb-jamo-row{opacity:0}.hangeul-build .hb-result{opacity:1}.hangeul-build.is-playing .hb-result{animation:1.5s both hb-result-cycle}.hangeul-build.is-playing .hb-jamo-row{animation:1.5s both hb-jamo-cycle}.hangeul-build.is-playing .hb-cho{animation:.55s .2s both hb-from-left}.hangeul-build.is-playing .hb-jung{animation:.55s .32s both hb-from-right}.hangeul-build.is-playing .hb-jong{animation:.55s .44s both hb-from-bottom}.hangeul-build.is-playing .hb-replay{transform:rotate(360deg)}@keyframes hb-from-left{0%{opacity:0;transform:translate(-2.2rem)}to{opacity:1;transform:translate(0)}}@keyframes hb-from-right{0%{opacity:0;transform:translate(2.2rem)}to{opacity:1;transform:translate(0)}}@keyframes hb-from-bottom{0%{opacity:0;transform:translateY(1.8rem)}to{opacity:1;transform:translateY(0)}}@keyframes hb-result-cycle{0%{opacity:1}10%{opacity:0}70%{opacity:0}to{opacity:1}}@keyframes hb-jamo-cycle{0%{opacity:0}12%{opacity:1}68%{opacity:1}82%{opacity:0}to{opacity:0}}.pitch-arrow{background:var(--bg-subtle);border-left:3px solid var(--accent);text-align:center;border-radius:10px;margin:1.5rem 0;padding:1.1rem 1.3rem}.pitch-svg{width:100%;max-width:20rem;height:2.5rem;overflow:visible}.pitch-line{stroke:var(--accent);stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:240;stroke-dashoffset:240px}.pitch-head{fill:var(--accent);opacity:0}.pitch-arrow.is-drawn .pitch-line{animation:.9s forwards pitch-draw}.pitch-arrow.is-drawn .pitch-head{animation:.25s .8s forwards pitch-head-in}@keyframes pitch-draw{to{stroke-dashoffset:0}}@keyframes pitch-head-in{to{opacity:1}}.pitch-phrase{margin:.5rem 0 0;font-size:1.5rem;font-weight:700}.pitch-note{color:var(--text-muted);margin:.6rem 0 0;font-size:.92rem}.liaison{background:var(--bg-subtle);border-left:3px solid var(--accent);text-align:center;border-radius:10px;margin:1.5rem 0;padding:1.2rem 1.3rem}.li-stage{align-items:flex-start;gap:.25rem;padding-bottom:.35em;font-size:2.2rem;font-weight:700;line-height:1.2;display:inline-flex;position:relative}.li-head{display:inline-block;position:relative}.li-move{color:var(--accent);pointer-events:none;font-size:.7em;line-height:1;position:absolute;bottom:-.42em;left:0}.li-arrow{color:var(--text-muted);align-self:center;font-size:1.2rem;transition:color .2s}.li-slot{display:inline-grid;position:relative}.li-target,.li-fused{grid-area:1/1}.li-target{opacity:1}.li-fused{opacity:0;color:var(--accent)}.liaison.is-playing .li-move{animation:2s both li-fly}.liaison.is-playing .li-target{animation:2s both li-target-cycle}.liaison.is-playing .li-fused{animation:2s both li-fused-cycle}.liaison.is-playing .li-arrow{animation:2s both li-arrow-glow}@keyframes li-fly{0%{opacity:1;transform:translate(0)scale(1)}18%{opacity:1;transform:translate(0)scale(1)}30%{opacity:1;transform:translateY(-.15em)scale(1.35)}58%{transform:translate(var(--fly-x,3.2em), -.55em) scale(1.35);opacity:1}74%{transform:translate(var(--fly-x,3.2em), 0) scale(1);opacity:1}82%{transform:translate(var(--fly-x,3.2em), 0) scale(1);opacity:0}90%{opacity:0;transform:translate(0)scale(1)}to{opacity:1;transform:translate(0)scale(1)}}@keyframes li-target-cycle{0%{opacity:1}74%{opacity:1}84%{opacity:0}90%{opacity:0}to{opacity:1}}@keyframes li-fused-cycle{0%{opacity:0;transform:scale(.9)}74%{opacity:0;transform:scale(.9)}86%{opacity:1;transform:scale(1.25)}90%{opacity:1;transform:scale(1)}96%{opacity:0;transform:scale(1)}to{opacity:0;transform:scale(.9)}}@keyframes li-arrow-glow{0%{color:var(--text-muted)}30%{color:var(--accent)}80%{color:var(--accent)}to{color:var(--text-muted)}}.li-replay{appearance:none;border:1px solid var(--border);background:var(--bg);color:var(--text-muted);cursor:pointer;border-radius:999px;width:1.9rem;height:1.9rem;margin-top:.7rem;font-size:1rem;line-height:1;transition:color .12s,border-color .12s,transform .3s;display:inline-block}.li-replay:hover{color:var(--accent);border-color:var(--accent)}.li-replay:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.liaison.is-playing .li-replay{transform:rotate(360deg)}.hb-replay,.li-replay,.vc-replay{color:var(--accent);border-color:color-mix(in srgb, var(--accent) 40%, var(--border));background:color-mix(in srgb, var(--accent) 8%, var(--bg));font-size:1.15rem}.hb-replay:hover,.li-replay:hover,.vc-replay:hover{background:color-mix(in srgb, var(--accent) 16%, var(--bg))}.li-caption{color:var(--text-muted);margin:.6rem 0 0;font-size:.94rem}.li-roman{font-style:italic}.voicing{background:var(--bg-subtle);border-left:3px solid var(--accent);text-align:center;border-radius:10px;margin:1.5rem 0;padding:1.2rem 1.3rem}.vc-word{align-items:flex-end;gap:.5rem;display:inline-flex}.vc-syl{border-radius:8px;flex-direction:column;align-items:center;gap:.25rem;padding:.3rem .5rem;transition:background .25s;display:inline-flex}.vc-syl-char{font-size:2rem;font-weight:700;line-height:1.1}.vc-tag{opacity:.28;border-radius:999px;padding:.1rem .4rem;font-size:.85rem;font-weight:700;line-height:1;transition:opacity .3s}.vc-clear .vc-tag{color:var(--text-muted);background:color-mix(in srgb, var(--text-muted) 14%, transparent)}.vc-voiced .vc-tag{color:var(--accent);background:color-mix(in srgb, var(--accent) 14%, transparent)}.voicing.is-playing .vc-syl{animation:.4s both vc-pop;animation-delay:calc(var(--i) * .45s)}.voicing.is-playing .vc-tag{animation:.3s both vc-tag-in;animation-delay:calc(var(--i) * .45s + .15s)}.voicing.is-playing .vc-replay{transform:rotate(360deg)}@keyframes vc-pop{0%{background:0 0}40%{background:color-mix(in srgb, var(--accent) 16%, transparent)}to{background:0 0}}@keyframes vc-tag-in{to{opacity:1}}.voicing:not(.is-playing) .vc-tag{opacity:1}.vc-replay{appearance:none;border:1px solid var(--border);background:var(--bg);color:var(--text-muted);cursor:pointer;border-radius:999px;width:1.9rem;height:1.9rem;margin-top:.7rem;font-size:1rem;line-height:1;transition:color .12s,border-color .12s,transform .3s;display:inline-block}.vc-replay:hover{color:var(--accent);border-color:var(--accent)}.vc-replay:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.vc-caption{color:var(--text-muted);margin:.6rem 0 0;font-size:.94rem}.vc-reading{color:var(--text);font-weight:700}.reveal-primed{opacity:0;will-change:opacity, transform;transition:opacity .5s,transform .5s;transform:translateY(14px)}.reveal-primed.reveal-in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.hangeul-build .hb-jamo-row{display:none}.hangeul-build .hb-result{opacity:1}.hangeul-build.is-playing .hb-cho,.hangeul-build.is-playing .hb-jung,.hangeul-build.is-playing .hb-jong,.hangeul-build.is-playing .hb-jamo-row,.hangeul-build.is-playing .hb-result,.hangeul-build.is-playing .hb-replay{animation:none;transform:none}.pitch-line{stroke-dashoffset:0}.pitch-head{opacity:1}.pitch-arrow.is-drawn .pitch-line,.pitch-arrow.is-drawn .pitch-head{animation:none}.reveal-primed,.reveal-primed.reveal-in{opacity:1;transition:none;transform:none}.ab-btn,.ab-compare{transition:none}.li-move,.li-target{opacity:1}.li-fused{opacity:0}.li-arrow{transition:none}.liaison.is-playing .li-move,.liaison.is-playing .li-target,.liaison.is-playing .li-fused,.liaison.is-playing .li-arrow,.liaison.is-playing .li-replay{animation:none}.liaison.is-playing .li-move{transform:none}.vc-tag{opacity:1;transition:none}.voicing.is-playing .vc-syl,.voicing.is-playing .vc-tag,.voicing.is-playing .vc-replay{animation:none;transform:none}}.site-header{border-bottom:1px solid var(--border);background:var(--bg)}.header-inner{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 1.25rem;padding-block:1.1rem;display:flex}.brand{color:var(--text);letter-spacing:-.015em;font-size:1.15rem;font-weight:700;text-decoration:none}.brand:hover{color:var(--accent)}.site-header nav ul,.site-footer nav ul{flex-wrap:wrap;gap:.35rem 1.15rem;margin:0;padding:0;list-style:none;display:flex}.site-header nav li+li,.site-footer nav li+li{margin-top:0}.site-header nav a{color:var(--text-muted);font-size:.97rem;text-decoration:none}.site-header nav a:hover,.site-header nav a[aria-current=page]{color:var(--accent)}.site-header nav a[aria-current=page]{text-underline-offset:.3em;text-decoration:underline}.theme-toggle{appearance:none;cursor:pointer;color:var(--text-muted);background:0 0;border:0;border-radius:4px;align-items:center;margin:0;padding:.1rem .2rem;font-size:1.05rem;line-height:1;display:inline-flex}.theme-toggle:hover{color:var(--accent)}.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.theme-icon-dark{display:none}.theme-icon-light{display:inline}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-icon-dark{display:inline}:root:not([data-theme=light]) .theme-icon-light{display:none}}:root[data-theme=dark] .theme-icon-dark{display:inline}:root[data-theme=dark] .theme-icon-light,:root[data-theme=light] .theme-icon-dark{display:none}:root[data-theme=light] .theme-icon-light{display:inline}.site-footer{border-top:1px solid var(--border);background:var(--bg-subtle);flex-shrink:0;padding-block:1.75rem 2rem;font-size:.94rem}.site-footer nav a{color:var(--text-muted);text-decoration:none}.site-footer nav a:hover{color:var(--accent);text-decoration:underline}.copyright{color:var(--text-muted);margin:.9rem 0 0}