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var(--ti-line);text-decoration:none;color:inherit}.ti-scope .ti-next-theme-divider{background:var(--ti-line)}.ti-scope .ti-next-theme-label{font-family:var(--ti-serif);font-size:9.5pt;letter-spacing:.1em;color:var(--ti-ink-soft);opacity:.75;margin:0 0 10px}.ti-scope .ti-next-theme-title{font-family:var(--ti-serif);font-size:13pt;line-height:1.6;color:var(--ti-ink);margin:0}.ti-scope .ti-next-theme-right{display:flex;flex-direction:column;align-items:flex-start}.ti-scope .ti-next-theme-icon{color:var(--ti-ink-soft);margin-bottom:12px}.ti-scope .ti-next-theme-desc{font-family:var(--ti-serif);font-size:9.5pt;line-height:1.7;color:var(--ti-ink-soft);opacity:.75;margin:0 0 12px}.ti-scope .ti-next-theme-link{font-family:var(--ti-serif);font-size:10.5pt;color:var(--ti-ink);text-decoration:none;border-bottom:1px solid var(--ti-ink);padding-bottom:3px;display:inline-block}.ti-scope .ti-tomorrow-theme{font-family:var(--ti-serif);font-size:10pt;color:var(--ti-ink-soft);opacity:.75;margin:40px 0 0}.ti-scope .milestone-banner{text-align:left}.ti-scope .ti-ans-en{font-size:15pt;line-height:1.73}.ti-model{padding:9px 0;border-top:1px solid var(--ti-line)}.ti-model-row2{display:flex;align-items:baseline;gap:14px}.ti-model-row2 .english{flex:1 1;font-size:23px}.ti-ans{border-left:2px solid var(--ti-ink);padding:2px 0 2px 16px;margin:14px 0 0}.ti-ans-en{font-family:var(--ti-en,Georgia,serif);font-size:24px;color:var(--ti-ink);margin:0}.ti-quiet-link{background:none;border:none;cursor:pointer;font-family:var(--ti-serif,"Hiragino Mincho ProN",serif);font-size:14.5px;color:var(--ti-ink);border-bottom:1px solid var(--ti-line-strong);padding:0 0 2px;transition:color var(--dur-base,.2s) ease,border-color var(--dur-base,.2s) ease}.ti-quiet-link:hover{color:var(--ti-today);border-color:var(--ti-today)}.ti-quiet-link--faint{font-family:var(--ti-sans,sans-serif);font-size:12.5px;color:var(--ti-ink-soft);border-bottom-color:transparent;text-decoration:underline;text-underline-offset:3px}.ti-quiet-link--faint:hover{color:var(--ti-ink);border-color:transparent}.ti-chapter-close{min-height:52vh;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:24px 12px}.ti-layer1-line{white-space:pre-line;font-family:var(--ti-serif,"Hiragino Mincho ProN",serif);font-size:18px;letter-spacing:.02em;color:#555555;line-height:2.1;text-align:left;margin:60px 0 0}.ti-unravel{display:block;margin:0 auto;overflow:visible}.ti-unravel-path{stroke-dasharray:600;stroke-dashoffset:600;animation:ti-unravel-draw 3.2s ease-in-out infinite}@keyframes ti-unravel-draw{0%{stroke-dashoffset:600;opacity:1}70%{stroke-dashoffset:0;opacity:1}88%{stroke-dashoffset:0;opacity:1}to{stroke-dashoffset:0;opacity:0}}@media 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