:root{--surface: #ffffff;--surface-muted: #f3f5f7;--surface-alt: #edf1f4;--border: #d9e0e7;--border-strong: #c3ced8;--accent: #0f6f7a;--accent-strong: #0b5b64;--accent-soft: rgba(15, 111, 122, .18);--text: #1f2a37;--muted: #5f6c7b;--shadow: 0 18px 44px rgba(15, 23, 42, .08);--shadow-soft: 0 12px 28px rgba(15, 23, 42, .06);--score-perfect: rgb(22, 163, 74);--score-high: rgb(202, 138, 4);--score-mid: rgb(234, 88, 12);--score-low: rgb(220, 38, 38);--header-offset: 0px;--header-gap: 8px;--footer-offset: 0px;--footer-gap: 8px}
.HummingbirdwithSeePhony {
  position:relative;
  line-height:1;
  min-height:100vh;background:linear-gradient(180deg,#f6f7f9,#eceff3);color:var(--text);font-family:Noto Sans JP,Hiragino Kaku Gothic Pro,Inter,sans-serif;font-size:1.4em;font-weight:400;margin:0;-webkit-user-select:none;user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-user-drag:none;-khtml-user-drag:none;-webkit-touch-callout:none;padding:calc(var(--header-offset) + var(--header-gap)) 0 calc(var(--footer-offset) + var(--footer-gap));
  font-size:10px;overflow-x:auto;overflow-y:scroll;scrollbar-gutter:stable;
div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}
ol,ul{list-style:none}
blockquote,q{quotes:none}
blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}
table{border-collapse:collapse;border-spacing:0}
*,*:before,*:after{box-sizing:border-box}

  #header{width:100%;background:#fff;border-top:5px solid #e6007e;position:fixed;top:0;left:0;right:0;z-index:2147483646;margin-bottom:0}
  #header a{text-decoration:none}
  #header .inner{width:min(1880px,96%);margin:0 auto;padding:12px 8px 14px}
  #header .hdrLogo{display:flex;align-items:center;gap:14px}
  #header .hdrLogo a{display:inline-flex;align-items:center}
  #header .hdrLogo img{display:block;width:auto;object-fit:contain}
  #header .hdrLogo .logo-humming,#header .hdrLogo .logo-rs{height:36px}
  @media screen and (max-width: 399px){#header .inner{width:94%;padding:10px 0 12px}
  #header .hdrLogo{gap:8px}
  #header .hdrLogo .logo-humming,#header .hdrLogo .logo-rs{height:28px}
  }
  .hb-footer-banner{width:100%;position:fixed;left:0;right:0;bottom:0;margin:0;border-top:1px solid #dfe4ec;background:#fff;color:#3d4754;z-index:2147483647}
  .hb-footer-inner{width:min(1880px,96%);margin:0 auto;padding:8px 8px 10px;display:flex;align-items:flex-start;justify-content:flex-start;gap:8px;flex-wrap:wrap}
  .hb-footer-brand-link{display:block;width:100%;text-decoration:none}
  .hb-footer-lead{margin:0;color:#787878;font-size:1.2em;font-weight:500;letter-spacing:.02em;width:100%}
  .hb-footer-title{margin:0;width:100%;color:#2f3c4b;font-size:clamp(2em,2.8vw,3.4em);line-height:1.05;font-weight:800;letter-spacing:.01em}
  .hb-footer-points{width:100%;display:flex;flex-wrap:nowrap;gap:10px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}
  .hb-footer-points li{flex:0 0 auto;width:112px;height:112px;border-radius:50%;background:#e6007e;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;padding:10px;font-size:1.05em;font-weight:700;line-height:1.26}
  .hb-footer-points li strong{display:inline-block;font-size:1.95em;line-height:1}
  .hb-footer-links{display:flex;gap:0;flex-wrap:wrap;align-items:center}
  .hb-footer-links a{display:inline-flex;align-items:center;justify-content:center;min-height:1px;padding:0;background:transparent;border:none;color:#2f3c4b;font-size:1.22em;font-weight:500;text-decoration:none;line-height:1.2}
  .hb-footer-links a:after{content:"›";color:#e6007e;margin-left:6px;font-weight:700}
  .hb-footer-links a+a:before{content:"/";color:#687385;margin:0 12px}
  .hb-footer-links a:hover{color:#0d5e95}
  @media (max-width: 640px){
  .hb-footer-inner{width:94%;padding:8px 0 9px;gap:8px}
  .hb-footer-lead{font-size:1.12em}
  .hb-footer-title{font-size:1.95em}
  .hb-footer-points li{width:96px;height:96px;font-size:.96em;padding:8px}
  .hb-footer-points li strong{font-size:1.75em}
  .hb-footer-links{width:100%;justify-content:flex-start}
  .hb-footer-links a{font-size:1.2em}
  .hb-footer-links a+a:before{margin:0 8px}
  }
  & img{-webkit-user-select:none;user-select:none;-moz-user-select:none;-ms-user-select:none;-webkit-user-drag:none;-khtml-user-drag:none;-webkit-touch-callout:none}
  & audio:focus{outline:0}
  .contents-container{width:min(960px,94%);height:100%;margin:0 auto;padding:clamp(12px,3vw,28px);border-radius:32px;background-color:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:clamp(12px,2.2vw,22px)}
  .options-area{display:none}
  .symbols-type{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;align-items:center;width:9.4em;height:3em;padding:.25em;border-radius:999px;border:1px solid var(--border-strong);background:linear-gradient(180deg,#f9fafb,#edf2f5);box-shadow:inset 0 1px #ffffffe6,0 2px 8px #0f172a14;-webkit-tap-highlight-color:rgba(0,0,0,0);cursor:pointer;-webkit-user-select:none;user-select:none}
  .symbols-type:before{content:"";position:absolute;top:.25em;left:.25em;width:calc(50% - .25em);height:calc(100% - .5em);border-radius:999px;background:linear-gradient(120deg,var(--accent),var(--accent-strong));box-shadow:0 5px 12px #0f6f7a42;transition:transform .22s ease}
  .symbols-type.ipa:before{transform:translate(100%)}
  .symbols-type__option{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;font-size:1.15em;font-weight:700;line-height:1;letter-spacing:.02em;color:var(--muted);transition:color .2s ease}
  .symbols-type .symbols-type__option--jones{color:#fff}
  .symbols-type.ipa .symbols-type__option--jones{color:var(--muted)}
  .symbols-type.ipa .symbols-type__option--ipa{color:#fff}
  .symbols-type:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-soft),inset 0 1px #ffffffe6,0 2px 8px #0f172a14}
  .select-area{display:flex;flex-direction:column;gap:16px}
  .select-area .target-word{position:relative;margin:0;width:100%;background-color:transparent;border-radius:0}
  .select-area .target-word.active{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
  .select-area .target-word .target-spell{display:inline-block;padding:0;line-height:2.4em}
  .target-final{display:inline-block;max-width:100%;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2;display:none}
  .sentence{display:flex;flex-direction:column;gap:16px}
  .card-panel{background-color:var(--surface-muted);border:1px solid var(--border);border-radius:20px;padding:clamp(14px,2.3vw,20px);box-shadow:var(--shadow-soft)}
  .word-browser{display:flex;flex-direction:column;gap:12px}
  .level-filter-block{display:flex;flex-direction:column;gap:8px}
  .level-filter{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .level-filter-button{border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--muted);padding:10px 12px;font-size:1.35em;font-weight:700;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
  .level-filter-button:hover{border-color:var(--accent);color:var(--accent-strong)}
  .level-filter-button.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 8px 20px #0f6f7a2e}
  .input-text:disabled{background:var(--surface-alt);color:var(--muted);cursor:not-allowed}
  .word-list-message{padding:16px 14px;border:1px dashed var(--border-strong);border-radius:14px;background:var(--surface);color:var(--muted);text-align:center;font-weight:600}
  .practice-column{display:flex;flex-direction:column;gap:16px}
  .practice-column .word-preview{order:0}
  .practice-column .speech-area{order:1;margin-top:0}
  .practice-column .phonetic-symbols-area{order:2}
  .practice-column .audio-control{order:3}
  .practice-column:not(.ready-for-practice) .phonetic-symbols-area,.practice-column:not(.ready-for-practice) .audio-control,.practice-column:not(.ready-for-practice) .speech-area{display:none}
  .word-preview{display:flex;flex-direction:column;gap:8px}
  .preview-label{font-size:1.2em;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0}
  .target-word{background:var(--surface);border-radius:16px;border:1px solid var(--border);min-height:64px;display:flex;align-items:center;justify-content:center;padding:10px 14px;font-size:clamp(1.6em,4vw,2.2em);letter-spacing:.04em}
  .target-final-row,.target-final,.target-final-label{display:none}
  .field-label{font-size:.96em;font-weight:600;color:var(--muted)}
  .input-text{border:2px solid var(--border);border-radius:14px;padding:12px 16px;font-size:1.4em;width:100%;transition:border-color .2s ease,box-shadow .2s ease}
  .input-text:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
  .pagination-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .pagination-controls button{border:none;background:var(--accent);color:#fff;padding:8px 14px;border-radius:10px;font-size:1.08em;font-weight:600;cursor:pointer;transition:background .2s ease}
  .pagination-controls button:disabled{background:var(--surface-alt);color:var(--muted);cursor:not-allowed}
  .pagination-controls button:not(:disabled):hover{background:var(--accent-strong)}
  .page-input{display:inline-flex;align-items:center;gap:4px;font-weight:600}
  #pageInput{width:60px;padding:6px 8px;border-radius:8px;border:1px solid var(--border)}
  .sentence.inactive{margin:0}
  .phonetic-symbols-area{margin:6px auto 0;width:100%;font-size:1.2em;background-color:var(--surface-muted);border-radius:20px;border:1px solid var(--border);padding:14px}
  .phonetic-symbols-area .phonetic-symbols-header{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:3em;margin-bottom:12px}
  .phonetic-symbols-area .phonetic-symbols-header .short-desc{display:flex;align-items:center;min-height:3em;line-height:1.4}
  .phonetic-symbols-area .phonetic-symbols-header .symbols-type{flex:0 0 auto}
  .phonetic-symbols-area .phonetic-symbols-contents{position:relative;margin:0 auto;width:100%;user-select:text;-moz-user-select:text;-ms-user-select:text;-webkit-user-select:text;-khtml-user-select:text;-webkit-user-drag:text;-khtml-user-drag:text;-webkit-touch-callout:text}
  .phonetic-symbols-area .phonetic-symbols-contents .short-desc-container{margin:2px 0;text-align:left}
  .phonetic-symbols-area .phonetic-symbols-contents .short-desc-container .short-desc{display:inline-block}
  .phonetic-symbols-area .phonetic-symbols-contents .short-desc-container .short-desc.model{color:var(--accent)}
  .phonetic-symbols-area .phonetic-symbols-contents .short-desc-container .short-desc.result{color:var(--muted);display:none}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer{min-height:calc(7.2em + 8px);overflow-x:auto;overflow-y:visible;position:relative;-webkit-overflow-scrolling:touch;--scrollbar-size: 8px;scrollbar-width:none;scrollbar-color:transparent transparent;touch-action:pan-x;cursor:grab;padding:2px 0}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer.has-scrollbar{scrollbar-width:thin;scrollbar-color:rgba(15,111,122,.65) transparent}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer.is-dragging{cursor:grabbing;-webkit-user-select:none;user-select:none}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer::-webkit-scrollbar{height:0;background:transparent}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer.has-scrollbar::-webkit-scrollbar{height:var(--scrollbar-size)}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer.has-scrollbar::-webkit-scrollbar-track{background:#fff3;border-radius:var(--scrollbar-size);margin:0 32px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer.has-scrollbar::-webkit-scrollbar-thumb{background:linear-gradient(90deg,#0f6f7ac7,#0b5b64e6);border-radius:var(--scrollbar-size);border:1px solid rgba(255,255,255,.4);box-shadow:0 2px 6px #0003}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer.has-scrollbar::-webkit-scrollbar-thumb:hover{background:linear-gradient(90deg,#0f6f7aeb,#0b5b64)}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbols-inner{list-style:none;display:flex;flex-wrap:wrap;gap:10px 12px;padding:0 .45em .6em;margin:0;overflow:visible;white-space:normal}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbols-inner::-webkit-scrollbar{height:6px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbols-inner::-webkit-scrollbar-track{background:transparent}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbols-inner::-webkit-scrollbar-thumb{background:#0000004d;border-radius:3px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group{position:relative;display:grid;grid-template-rows:auto auto;justify-items:center;gap:2px;min-width:2.8em;flex:0 0 auto;padding-top:1.8em;overflow:visible}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.word-start:not(:first-child){margin-left:.4em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.word-end:not(:last-child){margin-right:.4em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.row-break{margin-top:1.8em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.word-start:not(:first-child):before{content:"";position:absolute;top:.1em;bottom:0;width:2px;background:#0f6f7a38;opacity:.25;border-radius:2px;pointer-events:none;left:-.2em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-cell{display:flex;justify-content:center}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .word-cell{position:absolute;top:0;left:0;right:auto;min-height:0;width:max-content;pointer-events:none}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .word-cell .word-label-outer{display:flex;align-items:center;justify-content:flex-start;min-height:1.4em;width:auto}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .word-cell .word-label{display:inline-flex;align-items:center;justify-content:flex-start;padding:0 8px;min-height:1.4em;line-height:1.3;font-size:1.1em;border-radius:12px;background-color:#0f6f7a14;color:var(--accent-strong);white-space:nowrap;word-break:keep-all;text-align:left;opacity:0;transition:opacity .2s ease}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .word-cell .word-label.has-label{opacity:1}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback{display:none;position:relative;pointer-events:none;width:100%;margin-bottom:0;padding:0;height:0;min-height:0}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .not-recognized,.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .announcement-placeholder{position:relative;border:none;background-color:#fffffff2;font-size:1.4em;text-align:left;padding:10px 12px;width:100%;height:auto;min-height:calc(2.8em + 18px);line-height:1.45;box-shadow:0 4px 12px #0f172a14;border-radius:12px;white-space:normal;overflow:visible;overflow-wrap:anywhere;word-break:break-word;display:block}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .not-recognized{display:none;color:var(--accent-strong)}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .announcement-placeholder{color:#4b5563;font-weight:600}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .announcement-placeholder.hidden{display:none}
  @media (max-width: 640px){.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer{min-height:calc(6.5em + 8px);padding:2px 0}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback{display:none;margin-bottom:0;padding:0;height:0;min-height:0}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .not-recognized,.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-feedback .announcement-placeholder{width:100%;height:auto;min-height:calc(2.8em + 18px);line-height:1.45;overflow:visible;overflow-wrap:anywhere}
  }
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .phonetic-symbol-outer{display:inline-flex;text-align:center;flex:0 0 2.5em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .phonetic-symbol-outer .phonetic-symbol{display:inline-block;border:none;width:2.5em;height:2.4em;line-height:2.4em;vertical-align:middle;position:relative;z-index:1;font-size:1.6em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .phonetic-symbol-outer .phonetic-symbol{background-color:transparent}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbols-list.perfect-hit .model-cell .phonetic-symbol{color:var(--accent-strong);text-shadow:0 0 6px rgba(15,111,122,.62);animation:modelGlow .35s ease-in-out alternate 8}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .phonetic-symbol{background-color:transparent}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell{display:inline-flex;flex-direction:column;align-items:center;gap:2px;min-height:3.9em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .phonetic-symbol.wrong{background-color:transparent;color:var(--text);font-weight:700}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .phonetic-symbol.small-text{font-size:1.1em;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.05em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .model-cell .phonetic-symbol.slash:after{content:"";position:absolute;top:11px;left:50%;width:calc(100% - 4px);border-bottom:1px solid var(--score-low);transform:translate(-50%) rotate(-50deg);transform-origin:center;pointer-events:none;z-index:0}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer{display:inline-flex;text-align:center;flex:0 0 1.45em;width:4.3em;min-width:4.3em;max-width:4.3em;justify-content:center;align-items:center;overflow:visible}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer .torf-phoneme{display:inline-flex;min-width:3.7em;height:1.4em;line-height:1.4em;padding:0 .32em;vertical-align:middle;align-items:center;justify-content:center;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:.95em;font-variant-numeric:tabular-nums;letter-spacing:.02em;visibility:hidden;opacity:0;transition:opacity .18s ease}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer .torf-phoneme.score-visible{visibility:visible;opacity:1}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer .torf-phoneme.score-high,.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer .torf-phoneme.score-medium,.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer .torf-phoneme.score-low{transform:none}
  .speech2text-container{margin:24px auto 0;width:100%;font-size:1.2em;line-height:1.4}
  .speech2text-container .short-title{font-size:1.6em}
  .speech2text-container .short-title .short-desc .infos{font-size:.8em}
  .audio-control{margin:0;width:100%;text-align:center;min-height:3.2em;display:flex;align-items:center}
  .audio-control audio{width:100%}
  .audio-control .rec-audio[style*="display:none"]{display:block!important;visibility:hidden}
  & audio{height:3em}
  .speech-area{position:relative;margin:8px auto 0;overflow:visible;width:100%;height:120px;-webkit-tap-highlight-color:rgba(0,0,0,0)}
  .speech-area .score-board-clip{position:absolute;top:0;left:0;width:180px;height:120px;overflow:hidden;pointer-events:none}
  .speech-area.card-panel{padding:0;border:none;box-shadow:none;background:transparent}
  .speech-area .score-board{position:absolute;top:0;left:-40px;padding:10px;width:220px;height:220px;border-radius:50%;border:1px solid var(--border-strong);--score-color: var(--accent);--score-burst-color: rgba(15, 111, 122, .28)}
  .speech-area .score-board.pending{border-color:var(--border-strong)}
  .speech-area .score-board .score-text{position:absolute;top:30px;right:38px;display:inline-block;font-size:9em;font-weight:bolder;color:var(--accent);transition:transform .2s ease}
  .speech-area .score-board .score-text.perfect{font-size:7.8em}
  .speech-area .score-board .score-text.score-pop{animation:scorePop .45s ease-out}
  .speech-area .score-board.score-burst{animation:scoreBurst .55s ease-out}
  .speech-area .score-board .text-ten{position:absolute;top:80px;right:14px;display:inline-block;font-size:2em;font-weight:bolder;color:var(--score-color, var(--accent));opacity:0;transition:opacity .3s ease}
  .speech-area .score-board .text-ten.revealed{opacity:1}
  .speech-area .control-area{position:absolute;top:20px;right:20px;width:190px;height:72px;border-radius:999px;background:linear-gradient(120deg,var(--accent),var(--accent-strong));box-shadow:0 16px 30px #0f6f7a4d;overflow:hidden;z-index:1;text-align:center;display:flex;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .2s ease}
  .speech-area .control-area.prpared{background:linear-gradient(120deg,#1a8390,var(--accent));box-shadow:0 16px 30px #0f6f7a57}
  .speech-area .control-area.recording{background:linear-gradient(120deg,#0c5f69,#094a52);box-shadow:0 16px 30px #094a5259}
  .speech-area .control-area .func-button{text-align:center;height:100%;width:100%;display:flex;align-items:center;justify-content:center;padding:0 24px}
  .speech-area .control-area .func-button .input-title-area{pointer-events:none;display:flex;align-items:center;justify-content:center;width:100%;height:100%}
  .speech-area .control-area .func-button .input-title-area span{pointer-events:none;color:#fbfbfb;font-size:1.6em;font-weight:700;letter-spacing:.05em}
  .speech-area .control-area .func-button .input-wave-area{pointer-events:none;display:none;align-items:center;justify-content:center;width:100%;height:100%;text-align:center}
  .speech-area .control-area .func-button .input-wave-area[style*="display: block"]{display:flex!important}
  .speech-area .control-area .func-button .input-wave-area span{pointer-events:none;color:#fbfbfb;font-size:1.4em;font-weight:600;letter-spacing:.05em}
  @media (min-width: 768px){.sentence{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:24px}
  }
  @media (max-width: 520px){.pagination-controls{flex-direction:column;align-items:stretch}
  .page-input{justify-content:center}
  #pageInput{width:100%}
  }
  @media (max-width: 640px){
  .contents-container{width:94%;padding:12px;border-radius:24px;gap:12px}
  .card-panel{padding:10px 12px;border-radius:16px;box-shadow:0 8px 20px #0f172a0d}
  .sentence,.practice-column{gap:10px}
  .target-word{min-height:56px;padding:8px 12px;font-size:1.6em}
  .phonetic-symbols-area{padding:10px}
  .phonetic-symbols-area .phonetic-symbols-contents .short-desc-container{margin:0}
  .phonetic-symbols-area .phonetic-symbols-outer{height:auto}
  .phonetic-symbols-area .phonetic-symbols-outer .phonetic-symbols-inner{padding-bottom:10px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .phonetic-symbol-outer .phonetic-symbol{font-size:1.4em;width:2.1em;height:2.2em;line-height:2.2em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .phonetic-symbol.small-text{font-size:1em}
  .speech-area{transform:scale(.9);transform-origin:top center;margin-top:2px}
  .audio-control{margin-top:4px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer{width:3.9em;min-width:3.9em;max-width:3.9em}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group .result-cell .torf-phoneme-outer .torf-phoneme{min-width:3.4em;height:1.2em;line-height:1.2em;font-size:.86em;transform:none;padding:0 .25em}
  .speech-area .score-board-clip{width:140px;left:0}
  .speech-area .control-area{width:160px;height:64px;right:4px;top:32px;box-shadow:0 12px 20px #0f6f7a3d}
  .speech-area .control-area .func-button .input-title-area span,.speech-area .control-area .func-button .input-wave-area span{font-size:1.3em}
  }
  .detail-info{margin:2em auto;font-size:1em}
  .result-area .result-info-container{display:block;margin:2em auto 4em}
  .result-area .result-info-container .result-info{margin:1em auto 0}
  .result-area .result-info-container .result-info .result-info-text,.result-area .result-info-container .result-info .result-info-score{margin:.4em auto 0}
  & body.mouth-guide-open{overflow:hidden}
  .target-word{height:82px;max-height:82px;flex-direction:column;gap:4px;overflow:hidden}
  .select-area .target-word .target-spell,.target-word .target-spell{display:block;width:100%;padding:0;font-size:2.25em;font-weight:700;line-height:1.14;letter-spacing:.03em;text-align:center;overflow-wrap:anywhere;word-break:break-word}
  .target-word .target-jp{display:block;width:100%;min-height:1.35em;font-size:1.15em;line-height:1.35;color:var(--muted);text-align:center;overflow-wrap:anywhere;word-break:break-word}
  .target-word .target-jp:empty{display:none}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target{cursor:pointer}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target:after{content:"";position:absolute;top:1.7em;right:-.4em;bottom:-.35em;left:-.4em;border:1px solid rgba(15,111,122,.22);border-radius:14px;background:#0f6f7a0f;box-shadow:inset 0 0 0 1px #ffffff2e,0 0 #0f6f7a1f;animation:mouthGuideTargetPulse 2.1s ease-in-out infinite;pointer-events:none;z-index:0}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target.guide-unit-start:not(.guide-unit-end):after{border-top-right-radius:10px;border-bottom-right-radius:10px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target.guide-unit-middle:after{border-radius:10px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target.guide-unit-end:not(.guide-unit-start):after{border-top-left-radius:10px;border-bottom-left-radius:10px}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target:hover:after,.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target:focus-visible:after{background:#0f6f7a14;border-color:#0f6f7a4d;box-shadow:inset 0 0 0 1px #0f6f7a24,0 0 18px #0f6f7a24}
  .phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target[role=button]:focus-visible{outline:none}
  @keyframes mouthGuideTargetPulse{0%{box-shadow:inset 0 0 0 1px #0f6f7a1a,0 0 #0f6f7a0f}
  50%{box-shadow:inset 0 0 0 1px #0f6f7a2e,0 0 18px #0f6f7a1f}
  to{box-shadow:inset 0 0 0 1px #0f6f7a1a,0 0 #0f6f7a0f}
  }
  @media (prefers-reduced-motion: reduce){.phonetic-symbols-area .phonetic-symbols-contents .phonetic-symbols-outer .phonetic-symbol-group.guide-unit-target:after{animation:none}
  }
  .speech-area{height:188px}
  .speech-area .score-feedback{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:center;padding:0 12px;z-index:2}
  .speech-area .score-comment-text{width:min(100%,520px);margin:0;padding:10px 14px;border:1px solid var(--score-comment-border-color, var(--border));border-radius:16px;background:#fffffff0;color:var(--score-comment-color, var(--accent-strong));text-align:center;font-size:1.25em;font-weight:600;line-height:1.5;box-shadow:0 10px 22px #0f172a14;transition:color .2s ease,border-color .2s ease}
  .mouth-guide-modal[hidden]{display:none}
  .mouth-guide-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2147483647;display:flex;align-items:center;justify-content:center;padding:24px}
  .mouth-guide-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a8f;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
  .mouth-guide-dialog{position:relative;width:min(100%,980px);max-height:min(calc(100vh - 24px),960px);padding:20px 20px 24px;border:1px solid rgba(255,255,255,.4);border-radius:24px;background:linear-gradient(180deg,#fffffffa,#eff4f7f2);box-shadow:0 28px 56px #0f172a3d;overflow:auto;z-index:1}
  .mouth-guide-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;margin-bottom:18px}
  .mouth-guide-title-wrap{grid-column:2;display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 26px 16px;border:1px solid rgba(15,111,122,.14);border-radius:24px;background:radial-gradient(circle at top,rgba(15,111,122,.1),transparent 62%),linear-gradient(180deg,#fffffffa,#e6eff3db);box-shadow:inset 0 1px #ffffffbf,0 10px 26px #0f172a14}
  .mouth-guide-close{grid-column:3;justify-self:end;border:none;border-radius:999px;padding:8px 12px;background:var(--surface-alt);color:var(--muted);font-size:1.2em;font-weight:700;cursor:pointer}
  .mouth-guide-kicker{margin:0;color:var(--accent-strong);font-size:1.08em;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
  .mouth-guide-title{margin:0;color:var(--text);font-size:clamp(3.4em,8vw,5.4em);font-weight:800;line-height:1.05;text-align:center;letter-spacing:.02em;text-shadow:0 1px 0 rgba(255,255,255,.75)}
  .mouth-guide-word{margin:10px 0 0;color:var(--accent-strong);font-size:1.35em;font-weight:600;line-height:1.5}
  .mouth-guide-word,.mouth-guide-meta{display:none}
  .mouth-guide-content{margin-top:0;display:flex;flex-direction:column;gap:20px;align-items:stretch}
  .mouth-guide-section{display:flex;flex-direction:column;gap:12px;min-width:0;padding:14px 16px 16px;border:1px solid var(--border);border-radius:20px;background:#ffffffa8}
  .mouth-guide-section-title{display:block;color:var(--text);font-size:1.45em;font-weight:700;line-height:1.4;letter-spacing:.02em}
  .mouth-guide-visual-list{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:flex-start}
  .mouth-guide-visual-list.is-flow-list{flex-wrap:nowrap;gap:42px}
  .mouth-guide-visual-card{margin:0;flex:0 0 248px;width:248px;display:flex;flex-direction:column;gap:12px;padding:0;border:none;background:transparent}
  .mouth-guide-visual-list.is-flow-list .mouth-guide-visual-card{position:relative}
  .mouth-guide-visual-list.is-flow-list .mouth-guide-visual-card:not(:last-child):after{content:"→";position:absolute;top:104px;left:calc(100% + 10px);color:var(--accent-strong);font-size:3.2em;font-weight:700;line-height:1}
  .mouth-guide-visual-media{height:248px;padding:10px;border:1px dashed var(--border-strong);border-radius:20px;background:linear-gradient(180deg,#ffffffd6,#e5ecf0e6);display:flex;align-items:center;justify-content:center;overflow:hidden}
  .mouth-guide-visual-image{display:block;width:100%;max-width:100%;max-height:100%;height:auto;object-fit:contain}
  .mouth-guide-visual-fallback{color:var(--muted);font-size:1.1em;font-weight:600;line-height:1.55;text-align:center;overflow-wrap:anywhere}
  .mouth-guide-visual-caption{display:block;padding:0 2px}
  .mouth-guide-visual-caption-text{display:block;color:var(--text);font-size:1.18em;font-weight:500;line-height:1.65;text-align:left}
  @media (max-width: 640px){.target-word{height:72px;max-height:72px;gap:3px;padding:8px 12px}
  .target-word .target-spell{font-size:1.2em}
  .target-word .target-jp{font-size:.92em}
  .speech-area{height:172px}
  .speech-area .score-comment-text{padding:8px 10px;border-radius:14px;font-size:1.08em}
  .mouth-guide-modal{padding:16px}
  .mouth-guide-dialog{width:min(100%,100vw - 12px);max-height:calc(100vh - 12px);padding:16px 12px 18px;border-radius:20px}
  .mouth-guide-header{margin-bottom:14px}
  .mouth-guide-title-wrap{padding:12px 18px 14px;border-radius:18px}
  .mouth-guide-title{font-size:clamp(2.8em,11vw,4.2em)}
  .mouth-guide-kicker{font-size:.96em;letter-spacing:.12em}
  .mouth-guide-section{gap:10px;padding:12px;border-radius:16px}
  .mouth-guide-section-title{font-size:1.24em}
  .mouth-guide-visual-list{gap:10px}
  .mouth-guide-visual-list.is-flow-list{gap:26px}
  .mouth-guide-visual-card{flex-basis:min(39vw,168px);width:min(39vw,168px)}
  .mouth-guide-visual-media{height:min(39vw,168px);min-height:min(39vw,168px)}
  .mouth-guide-visual-list.is-flow-list .mouth-guide-visual-card:not(:last-child):after{top:72px;left:calc(100% + 6px);font-size:2.4em}
  .mouth-guide-visual-caption-text{font-size:1.02em;line-height:1.6}
  }
  .pre-confirm-outer{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto;background:#f6f7f9e0;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2147483646}
  .pre-confirm-panel{width:min(100%,700px);max-height:calc(100dvh - 48px);padding:clamp(14px,2.6vw,20px);border:1px solid rgba(255,255,255,.7);border-radius:28px;background:radial-gradient(circle at top right,rgba(15,111,122,.12),transparent 30%),linear-gradient(180deg,#fffffffa,#ecf1f4f5);box-shadow:0 28px 56px #0f172a29;text-align:left;overflow:auto}
  .pre-confirm-kicker{margin:0 0 6px;color:var(--muted);font-size:1.2em;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
  .pre-confirm-title{margin:0;color:var(--text);font-size:clamp(1.9em,3.2vw,2.4em);line-height:1.2}
  .pre-confirm-lead{margin:6px 0 0;max-width:42em;color:var(--muted);font-size:1.15em;line-height:1.4}
  .pre-confirm-steps{margin:12px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .pre-confirm-steps li{position:relative;display:flex;gap:12px;align-items:flex-start;min-height:auto;padding:10px 11px;border:1px solid rgba(195,206,216,.9);border-radius:20px;background:#ffffffdb;box-shadow:0 10px 24px #0f172a0d}
  .pre-confirm-step-num{flex:0 0 28px;height:28px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff;font-size:1.45em;font-weight:800;box-shadow:0 8px 18px #0f6f7a38}
  .pre-confirm-step-body{display:flex;flex-direction:column;gap:2px}
  .pre-confirm-step-body strong{color:var(--text);font-size:1.32em;font-weight:700;line-height:1.2}
  .pre-confirm-step-body small{color:var(--muted);font-size:1em;line-height:1.28}
  .pre-confirm-note{margin:10px 0 0;padding:8px 10px;border-radius:14px;background:#0f6f7a14;color:var(--accent-strong);font-size:1.08em;font-weight:600;line-height:1.35}
  .pre-confirm-outer .pre-confirm{display:inline-flex;align-items:center;justify-content:center;width:100%;margin:12px 0 0;border:1px solid var(--accent);border-radius:14px;padding:1.05em 1.3em;text-align:center;background:linear-gradient(135deg,var(--accent),var(--accent-strong));font-size:1.45em;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 14px 28px #0f6f7a3d}
  .pre-confirm-outer .pre-confirm.active{background-color:#1a8390;border-color:#1a8390}
  @media (max-width: 640px){.pre-confirm-outer{align-items:flex-start;padding:max(12px,env(safe-area-inset-top)) 12px 12px}
  .pre-confirm-panel{max-height:calc(100dvh - 24px - env(safe-area-inset-top));margin:auto 0;padding:12px 10px;border-radius:16px}
  .pre-confirm-lead{font-size:1.3em}
  .pre-confirm-steps{grid-template-columns:1fr;gap:10px}
  .pre-confirm-steps li{min-height:auto;padding:9px 10px;border-radius:14px}
  .pre-confirm-step-num{flex-basis:26px;height:26px;font-size:1.15em}
  .pre-confirm-step-body strong{font-size:1.5em}
  .pre-confirm-step-body small{font-size:1.18em}
  .pre-confirm-note{font-size:1.25em}
  .pre-confirm-outer .pre-confirm{margin-top:10px;padding:.95em 1.15em;font-size:1.32em}
  }
  .function-ignore{display:none;position:absolute;top:0;left:0;right:0;bottom:0;margin:auto;z-index:888}
  .function-ignore.active{display:block}
  .processing-now{display:none;position:absolute;top:0;left:0;right:0;bottom:0;border-radius:20px;background:#ffffffbf;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);z-index:5;align-items:center;justify-content:center}
  .speech-area.loading #score-board,.speech-area.loading #control-area{opacity:.4;pointer-events:none}
  .speech-area.loading .processing-now{display:flex}
  .processing-now:before{content:"";width:36px;height:36px;border-radius:50%;border:4px solid rgba(15,111,122,.15);border-top-color:var(--accent);animation:spin .8s linear infinite}
  @keyframes spin{0%{transform:translate(-50%,-50%) rotate(0)}
  to{transform:translate(-50%,-50%) rotate(360deg)}
  }
  @keyframes scorePop{0%{transform:scale(1)}
  50%{transform:scale(1.18)}
  to{transform:scale(1)}
  }
  @keyframes scoreBurst{0%{box-shadow:0 0 0 0 var(--score-burst-color, rgba(15, 111, 122, .28))}
  to{box-shadow:0 0 0 30px #0000}
  }
  @keyframes modelGlow{0%{transform:translateY(0);text-shadow:0 0 4px rgba(15,111,122,.4)}
  to{transform:translateY(-1px);text-shadow:0 0 10px rgba(15,111,122,.8)}
  }
  .not-support{display:none;position:absolute;top:0;left:0;right:0;bottom:0;margin:auto;text-align:center;z-index:1000;background-color:#000c}
  .not-support.active{display:block}
  .not-support .not-support-inner{position:absolute;top:0;left:0;right:0;bottom:0;margin:auto;height:8em;border:1px solid #000;background-color:#fff;border-radius:10px;width:90%;font-size:1.8em;font-weight:700;vertical-align:middle}
  .not-support .not-support-inner span{display:inline-block;position:absolute;top:50%;left:50%;transform:translateY(-50%) translate(-50%);-webkit-transform:translateY(-50%) translateX(-50%);width:100%}
  & body{padding:clamp(20px,4vw,40px) 0}
  .brand-lockup{display:flex;align-items:center;justify-content:center;gap:clamp(10px,2vw,18px);padding-bottom:clamp(2px,.6vw,8px);text-align:left}
  .brand-lockup__logo{display:block;width:auto;height:clamp(42px,6vw,58px);object-fit:contain}
  .brand-lockup__text{display:inline-flex;align-items:baseline;gap:.45em;color:var(--accent-strong);font-weight:700;letter-spacing:.01em}
  .brand-lockup__with{font-size:clamp(1.2em,1.6vw,1.5em);text-transform:lowercase}
  .brand-lockup__name{font-size:clamp(2em,2.8vw,2.8em);line-height:1}
  .brand-lockup__name sup{font-size:.45em;vertical-align:top}
  @media (max-width: 640px){body{padding:16px 0}
  .brand-lockup{gap:10px;padding-bottom:0}
  .brand-lockup__logo{height:36px}
  .brand-lockup__with{font-size:1.1em}
  .brand-lockup__name{font-size:1.8em}
  }
  #wordList{border:1px solid var(--border, #e5e9f2);border-radius:16px;background:#fff;height:clamp(240px,32vh,420px);overflow-y:auto;list-style:none;padding-left:0;margin:0;box-shadow:inset 0 1px 3px #0f172a0d}
  .word-browser-actions{display:flex;justify-content:flex-end}
  .word-action-button{border:1px solid var(--border-strong, #c3ced8);background:#fff;color:var(--muted, #5f6c7b);padding:8px 12px;border-radius:10px;font-size:1.2em;font-weight:600;line-height:1.2;cursor:pointer;transition:border-color .2s ease,color .2s ease,box-shadow .2s ease,background-color .2s ease}
  .word-action-button:hover{border-color:var(--accent, #0f6f7a);color:var(--accent-strong, #0b5b64);background:#f9fbfc}
  .word-action-button:focus-visible{outline:none;border-color:var(--accent, #0f6f7a);box-shadow:0 0 0 3px var(--accent-soft, rgba(15, 111, 122, .18))}
  .word-action-button:active{transform:translateY(1px)}
  .word{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 16px;min-height:32px;cursor:pointer;border-bottom:1px solid var(--border, #e5e9f2);font-size:1.4em;line-height:1.3;text-align:left;transition:background .2s ease,color .2s ease}
  .word .word-text{min-width:0;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .word .word-best-score{flex:0 0 auto;margin-left:auto;font-size:1.15em;font-weight:600;line-height:1.25;color:#94a3b8;font-variant-numeric:tabular-nums;letter-spacing:.01em}
  .word .word-best-score.score-tier-perfect{color:var(--score-perfect, rgb(22, 163, 74))}
  .word .word-best-score.score-tier-high{color:var(--score-high, rgb(202, 138, 4))}
  .word .word-best-score.score-tier-mid{color:var(--score-mid, rgb(234, 88, 12))}
  .word .word-best-score.score-tier-low{color:var(--score-low, rgb(220, 38, 38))}
  .word:hover{background-color:var(--surface-muted, #f5f6fb)}
  .word-level-category{position:sticky;top:0;z-index:1;padding:7px 12px;font-size:1.35em;font-weight:700;letter-spacing:.03em;color:var(--accent-strong, #0b5b64);background:linear-gradient(90deg,#edf2f5,#f8fafb);border-top:1px solid var(--border, #e5e9f2);border-bottom:1px solid var(--border, #e5e9f2)}
  .selected{background-color:#0f6f7a24;color:var(--accent, #08898e);font-weight:600}
  .upload-area{display:flex;flex-direction:row;align-items:center;justify-content:space-between;width:100%;max-width:500px;margin:0 auto}
  .custom-file-input{border:2px solid var(--accent, #0f6f7a);padding:10px;font-size:10px;border-radius:8px;margin-right:10px;width:70%}
  .custom-button{background-color:var(--accent, #0f6f7a);color:#fff;padding:10px 20px;border:none;border-radius:50px;font-size:12px;cursor:pointer;width:30%}
  .custom-button:hover{background-color:var(--accent-strong, #0b5b64)}
  .custom-button:active{background-color:#094a52}
  .custom-button:focus{outline:none;box-shadow:none}
  .custom-button{-webkit-user-select:none;user-select:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}
  @media (min-width: 1024px){#wordList{height:460px}
  .word{padding:2px 16px;min-height:30px}
  .word-level-category{padding:4px 12px;font-size:1.25em}
  }
  @media (max-width: 640px){#wordList{height:180px;padding:2px 0}
  .word-browser-actions{justify-content:stretch}
  .word-action-button{width:100%;font-size:1.1em;padding:7px 10px}
  .word{padding:4px 10px;font-size:1.1em;min-height:32px}
  .word .word-best-score{font-size:.95em}
  .word-level-category{font-size:1.15em;padding:5px 10px}
  }
}