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@media(max-width:620px){.site-bar{padding:12px 16px;align-items:flex-start;flex-direction:column;gap:7px}.site-bar nav{gap:4px}.sound-lab{padding:20px 16px 45px}.lab-intro{padding:22px 0}.theme-nav{gap:6px}.theme-link{padding:12px 8px;display:block}.theme-number{font-size:.65rem}.theme-link strong{font-size:1rem}.theme-link small{font-size:.66rem}.watch-grid{padding:16px;gap:16px}.chapter-panel .chapters{grid-template-columns:repeat(2,minmax(0,1fr))}.word-grid{grid-template-columns:1fr}.word-card{padding:20px}.word-card h3{font-size:1.8rem}.word-card p{font-size:1rem}.quiz{padding:20px 16px}.quiz-scene{font-size:1.1rem}.choice{font-size:1.2rem;padding:13px 5px;min-height:58px}.quiz-actions .button{flex:1}.result-review{columns:1}.meaning-note{font-size:.8rem}.level-links{font-size:.85rem}footer{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.quiz-actions{scroll-margin-bottom:24px}

/* Editorial content stays in reading order; themes also have written headings. */
.article-hero{display:block;width:100%;height:auto;border-radius:18px;margin-top:24px}
.article-theme{--theme:#126977;--theme-paper:#edf7f7;margin:40px 0;padding:24px;border:1px solid var(--line);border-top:6px solid var(--theme);border-radius:18px;background:var(--theme-paper);display:flow-root}
.article-theme[data-theme=nature]{--theme:#386539;--theme-paper:#f0f6e9}
.article-theme[data-theme=emotion]{--theme:#8e3e60;--theme-paper:#fcf0f4}
.article-theme>h2{border:0;margin:0 0 20px;padding:0;color:var(--theme)}
.article-theme>.word-card{margin:20px 0}.article-theme .word-card h3{margin:0 0 12px;font-size:1.8rem}
.article-theme .word-card p{font-size:1rem;line-height:2}.article-theme .word-card p:last-of-type{color:var(--ink)}
.article-word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.article-word-grid dl{margin:0}.article-word-grid dt{font-size:.8rem;color:var(--muted);margin:12px 0 4px}.article-word-grid dd{margin:0;line-height:2}
.word-audio{margin-top:auto;padding-top:10px}.word-audio .file-link{display:inline-flex;align-items:center;min-height:44px;font-size:.85rem}
.article-video-link{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;margin:20px 0;text-decoration:none;font-weight:650;line-height:1.7}
.article-video-link img{width:160px;max-width:40%;height:auto;border-radius:8px}.article-video-link span{min-width:0}
.article-callout{border-left:4px solid var(--theme);background:#fff;padding:16px 20px;margin:24px 0}.article-callout h3{margin:0}
.word-guide .article-body{overflow-wrap:anywhere}.word-guide .article-body>p,.word-guide .article-body>ul{max-width:72ch}
@media(max-width:620px){.article-theme{padding:16px 12px;margin:28px 0}.article-theme .word-card{padding:16px}.article-word-grid{grid-template-columns:1fr}.article-video-link{gap:12px;font-size:.85rem}.article-video-link img{width:110px}.article-callout{padding:14px}.word-guide h1{font-size:2rem}.word-guide .article-toc a{padding:8px 0}.word-guide .article-body td,.word-guide .article-body th{min-width:0;overflow-wrap:anywhere}}

/* Native answers stay closed until the learner opens them; CTAs are siblings. */
.article-answer{margin:14px 0;border:1px solid var(--line);border-radius:10px;background:#fff}
.article-answer summary{min-height:44px;padding:10px 14px;cursor:pointer;font-weight:650;line-height:1.6;touch-action:manipulation}
.article-answer summary:focus-visible{outline:3px solid #b96a24;outline-offset:4px}
.article-answer>p{padding:0 14px 12px;margin:0}
.article-section-practice{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.article-section-practice .button{flex:1 1 230px;min-width:0;text-align:center;font-size:.9rem;padding:10px 14px}
.article-section-practice.compact{margin:16px 0 24px}
.article-section-practice.compact .button{flex:0 1 auto;background:transparent}
@media(max-width:620px){.article-section-practice .button{flex-basis:100%}}

/* Short overview and sibling navigation share the article typography. */
.overview-theme-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:24px 0}
.overview-theme-card{min-width:0;padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff;scroll-margin-top:24px}
.overview-theme-card img{width:100%;height:auto;aspect-ratio:16/9;border-radius:8px}
.overview-theme-card h2{font-size:1.3rem;margin:14px 0 8px}
.overview-theme-card p{font-size:.95rem;line-height:1.9}
.overview-theme-card .button{display:block;text-align:center}
.other-themes{display:flex;flex-wrap:wrap;gap:20px;padding:20px 0;border-top:1px solid var(--line)}
.overview-breadcrumb{margin:12px 0}.secondary-preply{font-size:.9rem;margin-top:28px}
.result-review a{display:block;margin-top:6px}
@media(max-width:800px){.overview-theme-grid{grid-template-columns:1fr}.overview-theme-card img{max-width:480px}}