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(orientation:portrait){.ehon-face{padding-top:calc(52px + env(safe-area-inset-top));padding-bottom:calc(72px + env(safe-area-inset-bottom));flex-direction:column;justify-content:center;display:flex}.ehon-art{aspect-ratio:16/9;flex:none;width:100%;max-height:52%}.ehon-text{flex:none;padding:1em 7% .6em;font-size:clamp(1.2rem,5.6vw,2.8rem)}.ehon-text:before{display:none}.ehon-choices{bottom:-1.2em}.story-choice{font-size:clamp(1rem,4.8vw,2rem)}.ehon-hint{right:8%;bottom:calc(84px + env(safe-area-inset-bottom))}.ehon[data-tv][data-lock=no] .ehon-tvhint{display:block}}@media (min-width:1100px) and (orientation:landscape){.story-choice{font-size:clamp(1.4rem,3.6vh,2.6rem)}}@keyframes choice-bob{0%,to{transform:translateY(0)rotate(-1deg)}50%{transform:translateY(-6px)rotate(1deg)}}@keyframes touch-tap{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(3px)scale(.92)}}@keyframes choice-nudge{0%,to{transform:translate(0)}25%{transform:translate(-8px)rotate(-2deg)}75%{transform:translate(8px)rotate(2deg)}}@keyframes page-nudge{0%,to{transform:translate(0)}30%{transform:translate(-10px)}70%{transform:translate(6px)}}@keyframes ear-breathe{0%,to{opacity:.75;transform:translate(0)}50%{opacity:1;transform:translate(-3px,-3px)}}@keyframes hint-pull{0%,to{transform:translate(0)}50%{transform:translate(-26px)}}@media (prefers-reduced-motion:reduce){.ehon *{transition:none!important;animation:none!important}}:root{color:#432912;font-synthesis:none;--cream:#fff9eb;--brown:#432912;--yellow:#ffd45c;--yellow-deep:#f3c23a;--green:#e7efd9;--muted:#76664f;--line:#e8dfce;--card:#fff7e6;background:#fffdf8;font-family:Hiragino Maru Gothic ProN,Hiragino Kaku Gothic ProN,Yu 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div{grid-template-columns:1fr;gap:2px}.footer{padding-bottom:20px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.center.quiet{text-align:center;max-width:640px;margin:-6px auto 22px}.tags.small{margin:0 0 8px}.tags.small span{padding:3px 10px;font-size:11.5px}.filters{background:#f7f1e2;border-radius:20px;flex-direction:column;gap:10px;margin:18px 0 26px;padding:16px 18px;display:flex}.filter-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.filter-label{color:var(--muted);letter-spacing:.08em;margin-right:4px;font-size:12.5px;font-weight:700}.filters a{background:#fffdf8;border:1px solid #e6dcc6;border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:700;text-decoration:none}.filters a[aria-current=page]{background:var(--yellow);border-color:var(--yellow-deep)}.filters a:hover{border-color:#c9b98e}.books-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.concepts{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:8px 0 50px;display:grid}.concept-card{background:#f7f1e2;border-radius:22px;padding:22px 20px 18px;text-decoration:none;display:block;position:relative}.concept-card:nth-child(2n){background:#edf2e4}.concept-card:nth-child(3n){background:#ecf4f5}.concept-card:nth-child(5n){background:#fff0e5}.concept-card h3{margin-bottom:6px}.concept-card p{color:#5a4a34;margin:0 0 10px;font-size:13.5px}.concept-card .count{color:#6d834d;font-size:12px;font-weight:700}.ages{grid-template-columns:repeat(4,1fr);gap:12px;margin:8px 0 56px;display:grid}.age-card{background:#fff7e6;border:1px solid #f1e6cf;border-radius:18px;flex-direction:column;align-items:center;gap:4px;padding:18px 10px;text-decoration:none;display:flex}.age-card strong{font-size:1.2rem}.age-card span{color:var(--muted);font-size:12.5px;font-weight:700}.related{margin-top:48px}.related h2{margin-bottom:14px;font-size:1.3rem}@media (max-width:650px){.ages{grid-template-columns:repeat(2,1fr)}.filters{padding:12px 14px}.filters a{padding:5px 11px;font-size:12.5px}}