@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-space-y-reverse:0}}}@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;--spacing:.25rem;--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--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 Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) 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%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.fixed{position:fixed}.static{position:static}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.table{display:table}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-4{gap:calc(var(--spacing) * 4)}:where(.space-y-2>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 2) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 2) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-3>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 3) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 3) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-4>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 4) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 4) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-5>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 5) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 5) * calc(1 - var(--tw-space-y-reverse)))}:where(.space-y-6>:not(:last-child)){--tw-space-y-reverse:0;margin-block-start:calc(calc(var(--spacing) * 6) * var(--tw-space-y-reverse));margin-block-end:calc(calc(var(--spacing) * 6) * calc(1 - var(--tw-space-y-reverse)))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--background:#fffaf6;--surface:#fff;--soft:#f7edf0;--text:#302632;--muted:#685a69;--accent:#853653;--border:#c4afba;--focus:#175fbd;--nav-height:76px}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--background:#1d1920;--surface:#29232d;--soft:#382b36;--text:#f7eef6;--muted:#d2bfd0;--accent:#ffb6ce;--border:#8d758c;--focus:#95c5ff}}*{box-sizing:border-box}body{background:var(--background);color:var(--text);word-break:keep-all;overflow-wrap:anywhere;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,sans-serif;line-height:1.6}button,textarea{font:inherit}button,summary,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}h1,h2,h3,p{margin:0}h1{letter-spacing:-.04em;font-size:1.8rem;font-weight:750}h2{font-size:1.05rem;font-weight:700}h3{font-size:.9rem;font-weight:650}.muted{color:var(--muted)}.app-shell{max-width:600px;margin-inline:auto}.app-header{padding:calc(24px + env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) 24px max(20px, env(safe-area-inset-left))}.brand{color:var(--accent);letter-spacing:.07em;font-size:1.7rem;font-weight:750}.badge{background:var(--soft);color:var(--accent);border-radius:999px;flex-shrink:0;padding:6px 10px;font-size:.75rem}main{padding:0 max(20px, env(safe-area-inset-right)) calc(var(--nav-height) + 28px + env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left))}.page-intro{padding-block:8px}.eyebrow{color:var(--accent);font-size:.8rem;font-weight:650}.card{background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:22px}.topic-card{border-top:4px solid var(--accent)}.japanese-question{overflow-wrap:anywhere;font-size:1.3rem;font-weight:650;line-height:1.9}.reading-toggle{border:1px solid var(--border);min-width:110px;min-height:44px;color:var(--accent);background:var(--soft);cursor:pointer;border-radius:999px;padding:8px 12px;font-size:.8rem}.reading-toggle[aria-pressed=true]{border-color:var(--accent)}.hint-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.hint-list li{background:var(--soft);overflow-wrap:anywhere;text-align:center;border-radius:12px;flex-direction:column;justify-content:end;align-items:center;gap:8px;padding:18px 4px 10px;display:flex}.hint-word{font-size:1.08rem;font-weight:600}rt{font-size:.6em;font-weight:400}.example{border-top:1px solid var(--border);padding-top:10px}.example summary{min-height:44px;color:var(--accent);cursor:pointer;padding-block:10px;font-size:.9rem}.example p{overflow-wrap:anywhere;padding:12px 0}.field-label{margin-top:.75rem;font-size:.9rem;font-weight:600;display:block}.sent-to{overflow-wrap:anywhere;font-weight:600}textarea{resize:vertical;border:1px solid var(--border);background:var(--soft);width:100%;color:var(--text);border-radius:12px;padding:14px;display:block}textarea:disabled{opacity:1;cursor:not-allowed}textarea::placeholder{opacity:1;color:var(--muted);font-size:.9rem}.bottom-nav{z-index:10;background:var(--surface);border-top:1px solid var(--border);width:100%;max-width:600px;padding:6px max(12px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));grid-template-columns:repeat(3,minmax(0,1fr));display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav a{min-width:44px;min-height:64px;color:var(--muted);border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:.8rem;font-weight:650;text-decoration:none;display:flex}.bottom-nav a[aria-current=page]{background:var(--soft);color:var(--accent)}.empty-state{text-align:center;padding-block:40px}.empty-symbol{color:var(--accent);font-size:3rem;display:block}.settings-list{margin:0}.settings-list div{border-bottom:1px solid var(--border);grid-template-columns:1fr 1.7fr;gap:12px;padding-block:12px;font-size:.9rem;display:grid}.settings-list dt{color:var(--muted)}.settings-list dd{text-align:right;overflow-wrap:anywhere;margin:0}.skip-link{z-index:20;background:var(--surface);min-height:44px;color:var(--text);border-radius:10px;padding:10px 16px;position:fixed;top:12px;left:12px;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}@media (max-width:359px){.card{padding:16px}.badge{padding-inline:8px}}input{font:inherit;border:1px solid var(--border);background:var(--soft);width:100%;min-height:48px;color:var(--text);border-radius:12px;padding:10px 12px}.auth-button{border:1px solid var(--accent);background:var(--accent);min-width:44px;min-height:48px;color:var(--surface);font:inherit;cursor:pointer;border-radius:12px;padding:10px 16px;font-weight:650;display:block}.auth-button.secondary{background:var(--soft);color:var(--accent)}.auth-button:disabled{opacity:.65;cursor:not-allowed}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}