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b{color:var(--accent)}.settings-screen{background:var(--paper);flex-direction:column;height:100%;min-height:680px;display:flex}.settings-scroll{-webkit-overflow-scrolling:touch;flex:1;padding:18px 0 32px;overflow-y:auto}.settings-col{max-width:760px;padding:0 calc(20px + env(safe-area-inset-right)) 0 calc(20px + env(safe-area-inset-left));margin:0 auto}.settings-sec-label{letter-spacing:.12em;color:var(--ink-soft);margin:22px 4px 8px;font-size:11px;font-weight:700}.settings-sec{background:var(--card);border:1.5px solid var(--ink);border-radius:12px;overflow:hidden;box-shadow:0 3px #1e2a360d,0 8px 18px #1e2a3614}.settings-row{justify-content:space-between;align-items:center;gap:16px;padding:13px 16px;display:flex}.settings-row+.settings-row{border-top:1px solid #edf1f4}.settings-row-label{font-size:13px}.settings-row-hint{color:var(--ink-soft);margin-top:2px;font-size:11px}.settings-row-value{white-space:nowrap;font-size:13px;font-weight:700}.settings-row-actions{flex-shrink:0;gap:8px;display:flex}.seg{border:1px solid var(--ink-soft);border-radius:999px;flex-shrink:0;display:flex;overflow:hidden}.seg>button{background:var(--card);color:var(--ink-soft);cursor:pointer;white-space:nowrap;border:0;padding:6px 13px;font-family:Zen Kaku Gothic New,sans-serif;font-size:11.5px}.seg>button+button{border-left:1px solid var(--ink-soft)}.seg>button.on{background:var(--primary);color:#fff}.toggle{cursor:pointer;background:#c7d2da;border:0;border-radius:999px;flex-shrink:0;width:44px;height:26px;padding:0;transition:background .15s;position:relative}.toggle.on{background:var(--primary)}.toggle-knob{background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .15s;position:absolute;top:3px;left:3px}.toggle.on .toggle-knob{transform:translate(18px)}@media (max-width:640px){.settings-row{flex-direction:column;align-items:flex-start;gap:10px}}.topic-jp-wrap{margin-bottom:4px}.hint-word{font:inherit;color:var(--accent-dark);border:0;border-bottom:1.5px dashed var(--accent);cursor:pointer;line-height:inherit;background:0 0;padding:0 1px}.hint-word.on{background:var(--accent-soft);border-bottom-style:solid;border-radius:3px}.hint-caption{color:var(--ink);background:var(--accent-soft);border:1px solid var(--accent);border-radius:8px;margin-top:8px;padding:7px 10px;font-size:11.5px;line-height:1.6}.hint-caption b{color:var(--accent-dark)}.hint-note,.hint-hintline{color:var(--ink-soft)}.settings-link{cursor:pointer;text-align:left;background:0 0;border:0;width:100%;font-family:inherit}.settings-chevron{color:#9fb2bd;font-size:16px}.themes-screen{background:var(--paper);flex-direction:column;height:100%;min-height:680px;display:flex}.themes-count{color:var(--ink-soft);font-size:11.5px}.themes-scroll{padding:16px calc(24px + env(safe-area-inset-right)) 28px calc(24px + env(safe-area-inset-left));-webkit-overflow-scrolling:touch;flex:1;overflow-y:auto}.themes-legend{color:var(--ink-soft);flex-wrap:wrap;gap:16px;margin-bottom:14px;font-size:11px;display:flex}.themes-legend span{align-items:center;gap:5px;display:flex}.themes-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;display:grid}.theme-card{text-align:left;background:var(--card);border:1.5px solid var(--ink);cursor:pointer;border-radius:10px;flex-direction:column;justify-content:space-between;gap:12px;min-height:92px;padding:12px 12px 11px;font-family:inherit;display:flex;box-shadow:0 2px #1e2a360d}.theme-card:active{background:var(--accent-soft)}.theme-card-title{color:var(--ink);font-family:Shippori Mincho,Hiragino Mincho ProN,serif;font-size:12.5px;font-weight:700;line-height:1.4}.theme-pips{gap:6px;display:flex}.pip{border:1.5px solid #c7d2da;border-radius:50%;flex-shrink:0;width:13px;height:13px;display:inline-block}.pip.lv-easy{background:#2f6b4f;border-color:#2f6b4f}.pip.lv-normal{background:#b5842a;border-color:#b5842a}.pip.lv-hard{background:#c1443b;border-color:#c1443b}