:root{--font-sans:"IBM Plex Sans JP";--font-display:"Zen Kaku Gothic New";--ink:#1a1917;--muted:#6f6a61;--line:#e5e2da;--soft:#f4f4f1;--panel:#fff;--accent:#a65b32;--accent-rgb:166, 91, 50;--accent-strong:#864626;--accent-strong-rgb:134, 70, 38;--rose:#be123c;--sun:#b45309;--sky:#0f5e8a;--sky-rgb:15, 94, 138;--shadow:0 1px 2px #1a19170d, 0 10px 28px -12px #1a191729;--shadow-lg:0 24px 48px -18px #1a191747}*{box-sizing:border-box}html,body{min-height:100%;color:var(--ink);font-family:var(--font-sans), "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;-webkit-font-smoothing:antialiased;background:#f4f4f1;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-shell{width:min(1240px,100%);margin:0 auto;padding:0 22px 48px;transition:color .32s,filter 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(max-width:1023px){.workspace{grid-template-columns:minmax(0,1fr)}.result-panel{max-height:none;position:static;overflow:visible}.app-shell{width:min(760px,100%)}.presenter-picker{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:680px){.app-shell{padding:0 14px 32px}.topbar{margin:0 -14px 18px;padding:12px 14px}.topbar,.grid,.controls-row,.generation-actions,.presenter-picker{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}.generation-actions{bottom:10px}.brand-title{font-size:20px}.auth-card{padding:22px 18px}.auth-links{flex-direction:column;align-items:flex-start;gap:10px}}