/*! tailwindcss v4.3.2 | MIT License | https://tailwindcss.com */@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-border-style:solid;--tw-leading:initial;--tw-font-weight:initial;--tw-tracking:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-backdrop-blur:initial;--tw-backdrop-brightness:initial;--tw-backdrop-contrast:initial;--tw-backdrop-grayscale:initial;--tw-backdrop-hue-rotate:initial;--tw-backdrop-invert:initial;--tw-backdrop-opacity:initial;--tw-backdrop-saturate:initial;--tw-backdrop-sepia:initial;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}:root{--kyozai-room-background:url(/images/backgrounds/kotoha-room.webp)}html,body,#root{min-height:100%}body{background-color:#fbf1ed!important;background-image:linear-gradient(#fff8f54d,#fff8f54d),var(--kyozai-room-background)!important;background-position:50%!important;background-repeat:no-repeat!important;background-size:cover!important;background-attachment:scroll!important}#root>div,#root>main,.min-h-screen,.h-screen{background-color:#ffffff1f!important;background-image:none!important}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, 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;--color-white:#fff;--spacing:.25rem;--container-md:28rem;--container-lg:32rem;--container-xl:36rem;--text-xs:.75rem;--text-xs--line-height:calc(1 / .75);--text-sm:.875rem;--text-sm--line-height:calc(1.25 / .875);--text-lg:1.125rem;--text-lg--line-height:calc(1.75 / 1.125);--text-xl:1.25rem;--text-xl--line-height:calc(1.75 / 1.25);--text-2xl:1.5rem;--text-2xl--line-height:calc(2 / 1.5);--text-3xl:1.875rem;--text-3xl--line-height: 1.2 ;--font-weight-medium:500;--font-weight-bold:700;--font-weight-black:900;--tracking-tight:-.025em;--tracking-wide:.025em;--radius-2xl:1rem;--radius-3xl:1.5rem;--animate-pulse:pulse 2s cubic-bezier(.4, 0, .6, 1) infinite;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--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%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, 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;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{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]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance: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{.pointer-events-none{pointer-events:none}.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}.absolute{position:absolute}.relative{position:relative}.right-0{right:0}.-bottom-3{bottom:calc(var(--spacing) * -3)}.bottom-5{bottom:calc(var(--spacing) * 5)}.mx-auto{margin-inline:auto}.my-5{margin-block:calc(var(--spacing) * 5)}.mt-1{margin-top:var(--spacing)}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-5{margin-top:calc(var(--spacing) * 5)}.mt-6{margin-top:calc(var(--spacing) * 6)}.mb-1{margin-bottom:var(--spacing)}.mb-4{margin-bottom:calc(var(--spacing) * 4)}.mb-5{margin-bottom:calc(var(--spacing) * 5)}.ml-2{margin-left:calc(var(--spacing) * 2)}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline-flex{display:inline-flex}.aspect-square{aspect-ratio:1}.h-2{height:calc(var(--spacing) * 2)}.h-4{height:calc(var(--spacing) * 4)}.h-5{height:calc(var(--spacing) * 5)}.h-7{height:calc(var(--spacing) * 7)}.h-8{height:calc(var(--spacing) * 8)}.h-16{height:calc(var(--spacing) * 16)}.h-32{height:calc(var(--spacing) * 32)}.h-full{height:100%}.min-h-16{min-height:calc(var(--spacing) * 16)}.min-h-24{min-height:calc(var(--spacing) * 24)}.min-h-28{min-height:calc(var(--spacing) * 28)}.min-h-screen{min-height:100vh}.w-4{width:calc(var(--spacing) * 4)}.w-5{width:calc(var(--spacing) * 5)}.w-7{width:calc(var(--spacing) * 7)}.w-8{width:calc(var(--spacing) * 8)}.w-11{width:calc(var(--spacing) * 11)}.w-16{width:calc(var(--spacing) * 16)}.w-24{width:calc(var(--spacing) * 24)}.w-auto{width:auto}.w-full{width:100%}.max-w-\[70\%\]{max-width:70%}.max-w-\[340px\]{max-width:340px}.max-w-lg{max-width:var(--container-lg)}.max-w-md{max-width:var(--container-md)}.max-w-xl{max-width:var(--container-xl)}.min-w-0{min-width:0}.flex-1{flex:1}.shrink-0{flex-shrink:0}.animate-pulse{animation:var(--animate-pulse)}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.flex-col{flex-direction:column}.place-items-center{place-items:center}.items-center{align-items:center}.justify-center{justify-content:center}.gap-2{gap:calc(var(--spacing) * 2)}.gap-3{gap:calc(var(--spacing) * 3)}.overflow-hidden{overflow:hidden}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-3xl{border-radius:var(--radius-3xl)}.rounded-\[32px\]{border-radius:32px}.rounded-\[40px\]{border-radius:40px}.rounded-full{border-radius:3.40282e38px}.border{border-style:var(--tw-border-style);border-width:1px}.border-2{border-style:var(--tw-border-style);border-width:2px}.border-\[\#bdd6e7\]{border-color:#bdd6e7}.border-\[\#c7d39e\]{border-color:#c7d39e}.border-\[\#d3bee1\]{border-color:#d3bee1}.border-\[\#dce2e3\]{border-color:#dce2e3}.border-\[\#e4d4c8\]{border-color:#e4d4c8}.border-\[\#e6ddd0\]{border-color:#e6ddd0}.bg-\[\#6f9aa5\]{background-color:#6f9aa5}.bg-\[\#79a6b3\]{background-color:#79a6b3}.bg-\[\#d8e8f4\]{background-color:#d8e8f4}.bg-\[\#dfe8ba\]{background-color:#dfe8ba}.bg-\[\#e1e7e7\]{background-color:#e1e7e7}.bg-\[\#e4f0f2\]{background-color:#e4f0f2}.bg-\[\#e6d9f0\]{background-color:#e6d9f0}.bg-\[\#e7f0ee\]{background-color:#e7f0ee}.bg-\[\#f2f6f6\]{background-color:#f2f6f6}.bg-\[\#f8ebe2\]{background-color:#f8ebe2}.bg-white{background-color:var(--color-white)}.bg-white\/66{background-color:#ffffffa8}@supports (color:color-mix(in lab,red,red)){.bg-white\/66{background-color:color-mix(in oklab,var(--color-white) 66%,transparent)}}.bg-white\/75{background-color:#ffffffbf}@supports (color:color-mix(in lab,red,red)){.bg-white\/75{background-color:color-mix(in oklab,var(--color-white) 75%,transparent)}}.bg-white\/80{background-color:#fffc}@supports (color:color-mix(in lab,red,red)){.bg-white\/80{background-color:color-mix(in oklab,var(--color-white) 80%,transparent)}}.object-contain{object-fit:contain}.p-2{padding:calc(var(--spacing) * 2)}.p-3{padding:calc(var(--spacing) * 3)}.p-6{padding:calc(var(--spacing) * 6)}.px-2{padding-inline:calc(var(--spacing) * 2)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-4{padding-inline:calc(var(--spacing) * 4)}.px-5{padding-inline:calc(var(--spacing) * 5)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-3{padding-block:calc(var(--spacing) * 3)}.py-4{padding-block:calc(var(--spacing) * 4)}.pb-5{padding-bottom:calc(var(--spacing) * 5)}.text-center{text-align:center}.text-left{text-align:left}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.text-\[10px\]{font-size:10px}.text-\[116px\]{font-size:116px}.leading-6{--tw-leading:calc(var(--spacing) * 6);line-height:calc(var(--spacing) * 6)}.leading-none{--tw-leading:1;line-height:1}.font-black{--tw-font-weight:var(--font-weight-black);font-weight:var(--font-weight-black)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.tracking-wide{--tw-tracking:var(--tracking-wide);letter-spacing:var(--tracking-wide)}.text-\[\#7e8789\]{color:#7e8789}.text-\[\#9b6548\]{color:#9b6548}.text-\[\#343a3d\]{color:#343a3d}.text-\[\#443d35\]{color:#443d35}.text-\[\#567c73\]{color:#567c73}.text-\[\#567d87\]{color:#567d87}.text-\[\#747d80\]{color:#747d80}.text-\[\#955f43\]{color:#955f43}.text-\[\#35546a\]{color:#35546a}.text-\[\#42494c\]{color:#42494c}.text-\[\#45484c\]{color:#45484c}.text-\[\#465033\]{color:#465033}.text-\[\#584064\]{color:#584064}.text-\[\#596164\]{color:#596164}.text-\[\#697174\]{color:#697174}.text-\[\#758083\]{color:#758083}.text-\[\#a45b35\]{color:#a45b35}.text-white{color:var(--color-white)}.opacity-70{opacity:.7}.opacity-80{opacity:.8}.shadow-sm{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.shadow-xl{--tw-shadow:0 20px 25px -5px var(--tw-shadow-color,#0000001a), 0 8px 10px -6px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.backdrop-blur-\[2px\]{--tw-backdrop-blur:blur(2px);-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}@media(hover:hover){.hover\:bg-\[\#f7f9f9\]:hover{background-color:#f7f9f9}.hover\:bg-\[\#fff8f2\]:hover{background-color:#fff8f2}.hover\:bg-white:hover{background-color:var(--color-white)}.hover\:brightness-105:hover{--tw-brightness:brightness(105%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}.focus-visible\:ring-4:focus-visible{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(4px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.focus-visible\:ring-\[\#6f9aa5\]\/30:focus-visible{--tw-ring-color:oklab(65.8906% -.0402978 -.0285577/.3)}.focus-visible\:ring-\[\#7ba7b5\]\/25:focus-visible{--tw-ring-color:oklab(70.1545% -.0397411 -.032729/.25)}.focus-visible\:ring-\[\#7ba7b5\]\/30:focus-visible{--tw-ring-color:oklab(70.1545% -.0397411 -.032729/.3)}.focus-visible\:ring-\[\#7ba7b5\]\/40:focus-visible{--tw-ring-color:oklab(70.1545% -.0397411 -.032729/.4)}.focus-visible\:ring-\[\#c98966\]\/25:focus-visible{--tw-ring-color:oklab(68.6409% .0602591 .0701965/.25)}.focus-visible\:outline-none:focus-visible{--tw-outline-style:none;outline-style:none}@media(min-width:40rem){.sm\:mb-5{margin-bottom:calc(var(--spacing) * 5)}.sm\:block{display:block}.sm\:h-36{height:calc(var(--spacing) * 36)}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:p-3{padding:calc(var(--spacing) * 3)}.sm\:p-5{padding:calc(var(--spacing) * 5)}.sm\:p-8{padding:calc(var(--spacing) * 8)}.sm\:text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.sm\:text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.sm\:text-\[142px\]{font-size:142px}}}:root{color:#45484c;font-synthesis:none;text-rendering:optimizelegibility;background:#eef2f1;font-family:Hiragino Maru Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}body{min-height:100vh}button{-webkit-tap-highlight-color:transparent}.app-shell{isolation:isolate;background:linear-gradient(#fafcf94d,#e3e9e76b),url(/images/katakana-flashcard/katakana-shape-sound-station.webp) 50%/cover fixed;overflow-x:hidden}.app-shell:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle at 50% 10%,#ffffff57,#0000 38%),linear-gradient(112deg,#82adb81f,#0000 35%,#ca8d691c);position:fixed;top:0;right:0;bottom:0;left:0}.glass-panel{-webkit-backdrop-filter:blur(16px);background:#fafcfaeb;border:1px solid #ffffffc2;box-shadow:0 24px 70px #34414424}.flashcard-face{border-top:1px solid #e4e9e8;border-bottom:10px solid #ccd7d5;border-left:1px solid #e4e9e8;border-right:7px solid #d6dfde}.touch-target{min-width:44px;min-height:44px}@media(max-height:560px)and (orientation:landscape){.app-shell{justify-content:flex-start;padding-top:.75rem;padding-bottom:.75rem;overflow-y:auto}.flashcard-face{max-width:230px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}