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strong,.map-marker-label{background:#f8f0dbf0;border-radius:3px}.map-marker-dot,.summary-dot,.story-card-number,.quiz-index{background:var(--scroll-cinnabar)}.map-marker-visited:not(.map-marker-active) .map-marker-dot,.reading-complete-button-active{background:var(--scroll-celadon)}.unlock-strip{background:#a6382d14}.choice-button,.quiz-option,.open-answer{background:#f8f0dbc2}.summary-step{border-left:3px solid var(--scroll-river);background:#f8f0dba6;box-shadow:inset 0 0 0 1px #4a382424}.summary-formula{background:var(--scroll-ink)}.analysis-box{background:#738b781f}.sheet-layer{background:#211d177a}.bottom-sheet{background-color:var(--scroll-paper);background-image:url(/assets/paper-grain.png);background-size:420px 420px;border-color:#4a382466;border-radius:8px 8px 0 0}@media (width<=639px){.app-header-row,.app-nav-row,.app-main{width:calc(100vw - 16px)!important;max-width:calc(100vw - 16px)!important}.home-hero-image{-o-object-position:58% center;object-position:58% center}.home-actions{grid-template-columns:1fr;width:min(100%,19rem);display:grid}.start-button,.resource-entry-button{justify-content:center;width:100%}.nav-tab{min-height:44px;font-size:.68rem}.reader-title-block{align-items:flex-start}.reader-heading-row h2{font-size:2.05rem;line-height:1.12}.reading-section{padding:.85rem .8rem}.sentence-text{font-size:1.28rem;line-height:2.62}.inline-translation{grid-template-columns:1.65rem minmax(0,1fr);padding:.7rem}.inline-translation p{font-size:1rem;line-height:1.75}.sheet-layer{padding:0;padding-bottom:env(safe-area-inset-bottom)}.bottom-sheet{border-bottom:0;border-left:0;border-right:0;width:100%;max-height:86dvh}}@media (width>=768px){.reader-layout{grid-template-columns:minmax(0,1fr) 230px;gap:1.15rem}.margin-notes{display:block}.section-note-mobile{display:none}.margin-notes-inner{position:sticky;top:154px}.explore-grid{grid-template-columns:minmax(0,1.45fr) minmax(260px,.75fr)}}@media (width>=768px) and (width<=899px){.reader-layout{grid-template-columns:minmax(0,1fr) 200px;gap:.85rem}.reading-section{padding:1rem}.sentence-text{font-size:1.55rem;line-height:2.68}.margin-note-card{padding:.68rem}.margin-note-card h3{font-size:1.05rem}.margin-note-card p{font-size:.84rem;line-height:1.68}}@media (width>=1024px){.reader-layout{grid-template-columns:minmax(0,1fr) 260px;gap:1.35rem}.reading-section{padding:1.25rem 1.5rem}.sentence-row{padding:.95rem .55rem 1.1rem}.sentence-text{font-size:1.9rem;line-height:2.75}}@media (width>=640px){.sm\:h-5{height:1.25rem}.sm\:w-5{width:1.25rem}.sm\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.sm\:space-y-4>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(1rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1rem * var(--tw-space-y-reverse))}.sm\:px-10{padding-left:2.5rem;padding-right:2.5rem}.sm\:px-5{padding-left:1.25rem;padding-right:1.25rem}.sm\:pb-20{padding-bottom:5rem}.sm\:pt-8{padding-top:2rem}.sm\:text-2xl{font-size:1.5rem;line-height:2rem}.sm\:text-5xl{font-size:3rem;line-height:1}.sm\:text-lg{font-size:1.125rem;line-height:1.75rem}}@media (width>=768px){.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=1024px){.lg\:grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.lg\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.lg\:px-14{padding-left:3.5rem;padding-right:3.5rem}}