:root{font-family:"Hiragino Maru Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:#253f44;background:#f7faf9}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0}a{color:inherit}
.library{max-width:1050px;margin:auto;padding:36px max(20px,env(safe-area-inset-right)) 28px max(20px,env(safe-area-inset-left))}
.heading{text-align:center;margin:0 0 26px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;margin:0 0 9px;color:#527b78}
.heading h1{font-size:clamp(28px,4.5vw,43px);letter-spacing:.025em;line-height:1.35;margin:0 0 9px;color:#2e5c62}
.heading>p:last-child{font-size:16px;font-weight:700;margin:0;color:#577b77}
.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.book-card{min-width:0;display:block;text-decoration:none;border-radius:22px;overflow:hidden;background:#fffef8;border:1px solid #e0e9e1;box-shadow:0 7px 18px rgba(47,91,77,.06);transition:transform .18s,box-shadow .18s}
.book-card:hover{transform:translateY(-3px);box-shadow:0 13px 24px rgba(47,91,77,.11)}
.book-card:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.book-art{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:cover;background:#cbe5de}
.book-copy{display:block;padding:15px 18px 17px}.book-copy strong{display:block;font-size:19px;line-height:1.5;color:var(--accent);font-weight:800}
.book-copy small{display:block;margin-top:5px;font-size:12px;color:#6c847c;line-height:1.5}
footer{text-align:center;margin-top:29px;color:#5a7c73;font-size:14px;line-height:1.7}footer p{margin:0 0 6px}
footer a{display:inline-flex;align-items:center;min-height:44px;text-underline-offset:4px;font-size:13px;color:#286c66}
.noscript{text-align:center;padding:20px}
@media(max-width:720px){.library{padding-top:27px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.book-copy{padding:12px 12px 14px}.book-copy strong{font-size:16px}.heading{margin-bottom:22px}}
@media(max-width:360px){.library{padding-left:14px;padding-right:14px}.book-grid{gap:10px}.book-copy{padding:10px 9px 12px}.book-copy strong{font-size:14px}.book-copy small{font-size:12px;letter-spacing:-.04em}.heading h1{font-size:27px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}