/* Original CERAL emblem, cropped and lit in CSS; the historic artwork is preserved. */
.site-header{height:auto;min-height:96px;gap:24px;padding-block:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:15px;flex-shrink:0}
.brand-mark{position:relative;display:block;width:66px;height:66px;overflow:hidden;border-radius:50%;transform:perspective(240px) rotateY(-16deg) rotateX(7deg);box-shadow:4px 4px 0 #284b3a,7px 7px 18px #0009,0 0 23px #68d6a323;isolation:isolate;border:1px solid #608b72}
.brand-mark img{position:absolute;width:172px!important;height:auto!important;max-width:none;left:0;top:-7px;filter:saturate(.7) brightness(.95)}
.brand-mark:after{content:'';position:absolute;inset:0;border-radius:50%;background:linear-gradient(125deg,#b7ffcf33,transparent 47%,#001e1355);pointer-events:none}
.brand-word{color:var(--text)!important;font-size:30px;letter-spacing:-.06em}.brand-word b{color:var(--accent);font-weight:800}
.site-header nav{margin-left:auto;flex-wrap:wrap;justify-content:flex-end;gap:22px}
.language-picker{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
.language-picker select{font:inherit;color:#bde8cf;background:#0e1b14;border:1px solid #385341;border-radius:6px;padding:8px 27px 8px 10px;cursor:pointer;max-width:125px}
:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.book-stage{height:310px;display:grid;place-items:center;perspective:1000px;background:transparent;margin-bottom:26px}
.book-stage .book-cover{width:auto;height:290px;max-width:88%;object-fit:contain;margin:0;transform:rotateY(-10deg) rotateZ(-1deg);box-shadow:5px 3px 0 #b6ae8b,9px 5px 0 #3b4438,18px 16px 25px #0007;filter:none;transition:transform .3s}
.book-highlight:hover .book-cover{transform:rotateY(-3deg) rotateZ(0)}
.book-highlight a{margin-top:18px}
.exploration{display:block}.exploration>.section-head{margin-bottom:32px}
.exploration-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.exploration-card{border:1px solid #2d4438;border-radius:8px;background:linear-gradient(145deg,#101c15,#0b130e);padding:27px}
.exploration-card h3{font-size:21px;letter-spacing:-.02em;line-height:1.25;margin:0 0 10px}
.exploration-card p{font-size:13px;color:var(--muted);margin-bottom:20px}
.exploration-card ul{list-style:none;padding:0;margin:0}.exploration-card li+li{border-top:1px solid #24382c}
.exploration-card a{display:block;padding:11px 0;font-size:12px;line-height:1.5;color:#b9d7c6;overflow-wrap:anywhere}
.exploration-card a:hover{color:var(--accent)}
.exploration>.section-note{margin-top:28px;max-width:900px}
.publication p,.history-node-content p,.research-topic p{overflow-wrap:break-word}
html[lang=ja] body{font-family:'Yu Gothic','Meiryo','Segoe UI',sans-serif}
html[lang=ja] .hero h1{letter-spacing:-.035em;font-size:clamp(30px,3.2vw,48px);line-height:1.45}
html[lang=ja] .eyebrow{letter-spacing:.1em}
@media(max-width:1100px){.site-header{gap:18px}.site-header nav{gap:16px}.language-label{display:none}}
@media(max-width:760px){.site-header{display:grid;grid-template-columns:1fr auto;align-items:center;padding:16px 24px;gap:20px}.brand-mark{width:56px;height:56px}.brand-mark img{width:146px!important;top:-6px}.brand-word{font-size:27px}.site-header nav{grid-row:2;grid-column:1/-1;margin:0;justify-content:flex-start;gap:16px;font-size:12px}.language-picker{grid-column:2;grid-row:1}.language-picker select{max-width:108px}.exploration-grid{grid-template-columns:1fr}.book-stage{height:285px}.book-stage .book-cover{height:265px}.exploration-card{padding:23px}.hero h1{overflow-wrap:normal}.hero-actions{flex-wrap:wrap}.hero-facts{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.book-stage .book-cover{transition:none}}