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.archive-book{perspective:1300px;padding:30px 0 38px;filter:drop-shadow(5px 22px 18px #172e3126)}
.book-spread{display:grid;grid-template-columns:1fr 1fr;aspect-ratio:1.48;border:7px solid #214b49;border-bottom-width:12px;border-radius:3px 8px 8px 3px;background:#ede7d8;transform:rotate(-3deg) rotateY(-7deg);box-shadow:0 4px 0 #d0c8b5,0 7px 0 #f1ebdf,0 9px 0 #173e3e;position:relative}
.book-spread:after{content:'';position:absolute;top:0;bottom:0;left:50%;width:18px;transform:translateX(-50%);background:linear-gradient(90deg,#0000,#172e3124,#0000);pointer-events:none}
.book-leaf{margin:0;min-width:0;padding:20px;background:#f3efe4;display:flex;flex-direction:column;justify-content:center;position:relative}
.book-photo{padding:21px 18px 25px;background:linear-gradient(90deg,#ece6d8,#f3efe4 88%,#d1c8b6)}
.book-photo>img{aspect-ratio:.82;max-height:290px;object-fit:cover;width:100%;border:7px solid #faf7ef;box-shadow:0 3px 7px #172e3126}
.book-photo figcaption{font:8px/1.45 var(--sans);margin-top:10px;color:#64716c}
.book-page{text-align:center;align-items:center;background:linear-gradient(90deg,#d9d1bd,#f3efe4 10%,#f6f2e7)}
.book-page-logo{width:100px!important;margin-bottom:auto}
.book-kicker{font-size:7px!important;line-height:1.6;letter-spacing:1px;text-transform:uppercase;color:#a64b35;margin:18px 0}
.book-page h3{font-size:clamp(20px,2.3vw,36px);line-height:1.14;letter-spacing:-.035em;margin:0;overflow-wrap:normal}
.book-page-rule{width:35px;height:1px;background:#bd9f6c;margin:20px auto}
#book-folio{font:9px var(--serif);color:#64716c;margin-top:auto;padding-top:20px}
.book-pagination{display:flex;align-items:center;justify-content:center;gap:24px;font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:1px;margin-top:5px}
.book-pagination button{border:1px solid #9da99a;border-radius:50%;width:46px;height:46px;background:#f3efe4;font-size:19px;line-height:1}
.book-pagination button:disabled{opacity:.3;cursor:default}.book-pagination button:not(:disabled):hover{background:#214b49;color:#f3efe4}
.page-arriving .book-photo>img{animation:arrive-page .45s ease-out}.page-arriving #book-page-title{animation:arrive-page .45s ease-out}
@keyframes arrive-page{from{opacity:.45;transform:translateX(6px)}to{opacity:1;transform:none}}
#spline-stage{height:460px;border-radius:5px;overflow:hidden;background:#e4e6d9}#spline-stage iframe{width:100%;height:100%;border:0}
#spline-status{min-height:1.5em;color:#64716c;font-size:11px}
.research-card{background:#faf7ef;border:1px solid #d3d0c1;border-top:2px solid #a64b35}.research-card .research-evidence{font-size:11px;color:#64716c}.research-grid{gap:24px}.research-card h3{font-size:30px}
@media(max-width:1050px){.book-experience{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:4%;padding:60px 6%}.book-leaf{padding:14px}.book-photo{padding:16px 12px}.book-excerpt{min-height:0}.book-page-logo{width:80px!important}.hero h1{font-size:clamp(76px,9vw,105px)}}
@media(max-width:700px){
 .masthead{padding:0 5%}.masthead .brand{width:125px}.masthead nav{gap:14px}.masthead nav>a.lang-switch{display:inline-block;font-size:11px}#contents-button{min-height:44px;padding:8px 10px}#contents-button span{margin-left:10px}
 .hero{height:auto;min-height:calc(100svh - 73px);max-height:none}.hero-content{padding:55px 7% 105px;max-width:none}.hero .eyebrow{margin-bottom:30px}.hero h1{font-size:clamp(60px,16.5vw,95px);letter-spacing:-.05em}.hero-content>p:not(.eyebrow){font-size:16px;margin-top:25px}.hero-bottom{font-size:7px;bottom:20px;gap:18px}.hero-bottom>span{max-width:145px;line-height:1.6}.vertical-note{display:none}
 .book-experience{grid-template-columns:1fr;padding:50px 6%;gap:20px}.book-experience h2{font-size:44px}.book-introduction>p:not(.eyebrow){font-size:14px}.chapter-picker select{font-size:16px;max-width:none}.book-excerpt{min-height:0;max-width:none}.book-actions{gap:14px}.book-visual{padding-top:0}.archive-book{padding:22px 3px 30px}.book-spread{aspect-ratio:1.35;border-width:5px;border-bottom-width:9px;transform:rotate(-2deg)}.book-leaf{padding:14px 10px}.book-photo{padding:14px 10px}.book-photo>img{border-width:4px;aspect-ratio:.7}.book-photo figcaption{font-size:7px}.book-page-logo{width:74px!important}.book-page h3{font-size:23px}.book-kicker{font-size:6px!important;letter-spacing:.5px;margin:12px 0}.book-page-rule{margin:14px auto}#book-folio{font-size:8px;padding-top:12px}.book-pagination{margin-top:5px}#spline-stage{display:block;height:430px}
 .chapter-visual img{height:auto;max-height:420px;aspect-ratio:1.15;object-fit:cover}.timeline{gap:24px 12px}.timeline-item{min-width:0}.timeline-item a{overflow-wrap:anywhere}.section-label{line-height:1.6}.lightbox-caption{padding-bottom:60px}
}
@media(max-width:360px){.masthead .brand{width:110px}.masthead nav{gap:9px}.hero h1{font-size:60px}.book-page h3{font-size:20px}.book-leaf{padding:12px 8px}.book-photo{padding:12px 8px}}
@media(prefers-reduced-motion:reduce){.book-spread{transform:none}.page-arriving .book-photo>img,.page-arriving #book-page-title{animation:none}}