.tagline-radio{display:flex;align-items:center;gap:16px;min-width:0}.radio-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;flex:none;padding:8px 12px;border:1px solid #cfddd6;border-radius:22px;color:#215d4d;background:#f5f9f6;font-size:12px;line-height:1;white-space:nowrap}.radio-button svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.radio-button:hover{background:#e8f3ed;border-color:#8cab98}.radio-button[aria-pressed=true]{background:#215d4d;color:#fff;border-color:#215d4d}.radio-panel{margin:20px 0 0;border:1px solid #bcd3c5;background:#f3f8f5;border-radius:10px;padding:18px 22px}.radio-panel-heading{display:flex;align-items:center;gap:12px;font-size:11px;color:#65786d}.radio-live{display:flex;align-items:center;gap:6px;color:#215d4d;font-weight:700;letter-spacing:1px}.radio-live i{width:7px;height:7px;border-radius:50%;background:#378b60}.radio-panel-heading>button{margin-left:auto;flex:none;border:1px solid #c7d9cc;border-radius:5px;background:white;padding:8px 11px;min-height:36px;font-size:11px;color:#215d4d}#radio-status{font-size:11px;color:#61756a;margin:12px 0 7px}#radio-article{display:flex;align-items:center;justify-content:space-between;gap:15px}#radio-title{font-size:17px;line-height:1.65}#radio-article>span{font-size:11px;white-space:nowrap;color:#215d4d}.radio-progress{display:flex;align-items:center;gap:13px;margin-top:12px}.radio-progress progress{display:block;width:100%;height:5px;border:0;border-radius:5px;overflow:hidden;appearance:none;background:#dce7df}.radio-progress progress::-webkit-progress-bar{background:#dce7df}.radio-progress progress::-webkit-progress-value{background:#438261}.radio-progress progress::-moz-progress-bar{background:#438261}#radio-position{font-size:10px;color:#6b7f72;white-space:nowrap;font-variant-numeric:tabular-nums}.radio-next{margin:10px 0 0;font-size:11px;line-height:1.6;color:#6b7f72}
@media(max-width:1050px) and (min-width:761px){.masthead{gap:16px}.tagline-radio{gap:9px}.masthead .tagline{font-size:11px}.radio-button{padding:8px 10px}.brand{font-size:34px}}
@media(max-width:760px){.masthead .tagline-radio{grid-column:1;grid-row:2;gap:10px}.masthead .tagline-radio .tagline{font-size:12px}.radio-button{min-height:36px;font-size:11px}}
.radio-learning{max-width:800px;margin:22px auto 20px}.radio-learning-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.radio-learning .grammar-legend{gap:6px;font-size:12px}.radio-learning .grammar-legend span{padding:5px 8px}#radio-sentence-number{font:13px Georgia,serif;color:#68747a;font-variant-numeric:tabular-nums;white-space:nowrap}.radio-reading-card{padding:21px 24px;background:#fafcfb;border:1px solid #dce5df;border-radius:9px;min-height:175px}.radio-reading-label{font-size:10px;font-weight:700;letter-spacing:1.4px;color:#687a74}#radio-sentence{font-size:24px;line-height:1.75;color:#263c34;margin:12px 0 10px;overflow-wrap:anywhere}#radio-sentence[lang=ja]{font-size:20px}#radio-translation{font-size:14px;line-height:1.8;color:#617168;margin:10px 0 0;min-height:25px}.radio-chunk{border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.radio-chunk[data-role=S]{--radio-bg:var(--S);--radio-ink:var(--S-ink)}.radio-chunk[data-role=V]{--radio-bg:var(--V);--radio-ink:var(--V-ink)}.radio-chunk[data-role=O]{--radio-bg:var(--O);--radio-ink:var(--O-ink)}.radio-chunk[data-role=C]{--radio-bg:var(--C);--radio-ink:var(--C-ink)}.radio-chunk[data-role=M]{--radio-bg:var(--M);--radio-ink:var(--M-ink)}.radio-chunk.speech-current{background:var(--radio-bg);color:var(--radio-ink);box-shadow:inset 0 -1px var(--radio-ink)}.radio-grammar-tip{padding:17px 22px;margin:0;background:#fff;border:1px solid #d9e2dc;border-radius:9px;box-shadow:0 5px 19px #20352c12;min-height:104px}.radio-tip-heading{display:flex;align-items:center;gap:10px}.radio-tip-heading>b{display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none;border-radius:5px;font:23px Georgia,serif}.radio-tip-heading>strong{font-size:13px}.radio-tip-heading>span{margin-left:auto;font-size:11px;color:var(--muted);white-space:nowrap}#radio-phrase-translation{font-size:15px;line-height:1.8;margin:9px 0 0;overflow-wrap:anywhere}
@media(max-width:600px){.radio-learning{margin:17px 0}.radio-learning .grammar-legend{gap:4px;font-size:10px}.radio-learning .grammar-legend span{padding:4px 5px}#radio-sentence-number{font-size:11px}.radio-reading-card{padding:15px 14px;min-height:160px}.radio-reading-label{font-size:9px;letter-spacing:1px}#radio-sentence{font-size:18px;line-height:1.8;margin-top:10px}#radio-sentence[lang=ja]{font-size:16px}#radio-translation{font-size:12px;line-height:1.7}.radio-grammar-tip{padding:13px 14px;min-height:104px}.radio-tip-heading{gap:7px}.radio-tip-heading>b{font-size:20px;width:29px;height:29px}.radio-tip-heading>strong{font-size:11px}.radio-tip-heading>span{font-size:9px}#radio-phrase-translation{font-size:13px}}
@media(max-width:600px){.masthead{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;height:auto;min-height:110px;padding:16px 0 12px;gap:10px 8px}.masthead .brand{grid-row:1;grid-column:1}.masthead .edition{grid-row:1;grid-column:2;font-size:10px}.masthead .tagline-radio{grid-column:1 / -1;grid-row:2}.masthead .tagline-radio .tagline{display:block;font-size:11px;white-space:nowrap}.radio-button{min-height:36px;gap:6px;padding:7px 11px}.radio-button svg{width:20px;height:20px}.radio-panel{padding:14px;margin-top:16px}.radio-panel-heading{gap:8px;flex-wrap:wrap}.radio-panel-heading>span:nth-child(2){font-size:9px}.radio-panel-heading>button{font-size:10px;padding:6px 8px}#radio-article{display:block}#radio-title{font-size:14px}#radio-article>span{display:block;font-size:10px;margin-top:5px}}
.radio-word{cursor:help;border-radius:2px}.radio-word:hover,.radio-word.dictionary-active{text-decoration:underline;text-decoration-style:dotted;text-underline-offset:4px}.radio-word:focus-visible{outline:2px solid #438261;outline-offset:2px}.radio-dictionary{position:fixed;z-index:40;width:300px;max-width:calc(100vw - 24px);max-height:calc(100vh - 24px);overflow:auto;box-sizing:border-box;padding:16px 18px;border:1px solid #d9e2dc;border-radius:8px;background:#fff;color:var(--ink);box-shadow:0 8px 30px #20352c26;font-size:13px;line-height:1.8;overflow-wrap:anywhere}.radio-dictionary-heading{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px}.radio-dictionary-heading strong{font:24px/1.35 Georgia,serif}.radio-dictionary-heading span,.radio-dictionary-lemma{font-size:11px;color:var(--muted)}.radio-dictionary-lemma{margin:7px 0 10px}.radio-dictionary-meaning{font-size:16px;font-weight:600;margin:0}.radio-dictionary-note{font-size:12px;color:#596b63;border-top:1px solid var(--line);margin:12px 0 0;padding-top:10px}