:root{--ink:#292723;--muted:#65645e;--line:#d9dcde;--paper:#f5f6f7;--yellow:#f3e449;--serif:'Yu Mincho','Hiragino Mincho ProN','Noto Serif CJK JP',serif;--sans:'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.9}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:5px}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #928400;outline-offset:5px}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.7}h1,h2{font-family:var(--serif);font-weight:500}p{line-height:2}.site-header,.section,.page-wrap,body>footer{width:min(1120px,calc(100% - 96px));margin:0 auto}.masthead{position:relative;padding:34px 0 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40px;background:#fff;max-width:95vw;width:1000px;max-height:96dvh}dialog::backdrop{background:#171714e8}dialog>img{width:100%;height:72dvh;object-fit:contain}dialog button{background:#fff;border:1px solid var(--line);padding:8px 16px}.close-lightbox{position:absolute;top:10px;right:10px}.previous,.next{position:absolute;top:48%}.previous{left:8px}.next{right:8px}.photo-caption{text-align:center;font-size:14px;margin:12px 0 0}.skip{position:fixed;top:-100px;background:var(--yellow);padding:8px 15px;z-index:100}.skip:focus{top:0}
@media(max-width:1050px){.site-header,.section,.page-wrap,body>footer{width:calc(100% - 64px)}.catalogue-grid{gap:0 32px}.catalogue-book{gap:20px;grid-template-columns:.85fr 1fr}.catalogue-cover img{height:260px}.catalogue-copy h3{font-size:21px}.about,.practical{gap:45px}.profile{padding-left:28px}.book-intro{gap:40px}.detail-section{grid-template-columns:180px minmax(0,1fr);gap:30px}.related-grid{gap:18px}.cover-stage,.coming-art{height:210px}.coming-art{padding:12px}.coming-art h3{font-size:18px}.site-header nav{gap:30px}}
@media(max-width:800px){.catalogue-book{display:flex;flex-direction:column;gap:20px;align-items:stretch}.catalogue-cover img{height:280px}.catalogue-copy{display:flex;flex-direction:column;flex:1}.catalogue-copy h3{font-size:22px;margin-bottom:14px}.catalogue-copy p{margin-bottom:20px}.book-more{align-self:flex-start;margin-top:auto}.about{gap:35px;grid-template-columns:1.2fr 1fr}.about h2{font-size:23px}.profile{padding-left:24px}.practical{gap:35px}.book-intro{gap:30px}.title-block h1{font-size:28px}.spec-block>div{flex-wrap:wrap;gap:8px}.spec-block ul{columns:1}.detail-section{grid-template-columns:1fr;gap:20px}.purchase>div,.purchase .stock-note{grid-column:auto}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.release-notice{padding:20px;gap:18px}.release-title{font-size:20px}.release-description{font-size:13px}}
@media(min-width:641px){.site-header nav{display:flex!important}}
@media(max-width:640px){.site-header,.section,.page-wrap,body>footer{width:calc(100% - 40px)}.masthead{padding:24px 0 18px}.masthead>a{width:440px;max-width:100%}.menu-toggle{display:flex;align-items:center;gap:8px;margin:0 auto 12px;padding:6px 12px;font-size:13px}.site-header nav{display:none;flex-direction:column;gap:0;padding:8px 0;border-top:1px solid var(--line)}.site-header nav.open{display:flex}.site-header nav a{padding:11px 0;text-align:center}.site-header{border-bottom:1px solid var(--line)}.opening{padding:30px 20px 34px}.opening h1{font-size:23px;letter-spacing:.02em}.opening p{font-size:14px}.mobile-break{display:block}.section-heading{margin-bottom:20px}.section-heading h2{font-size:22px}.release-notice{position:relative;display:block;padding:17px 18px;margin-bottom:8px}.release-status{display:inline-block;font-size:13px;margin-bottom:10px}.release-copy{padding-right:14px}.release-title{font-size:20px}.release-description{font-size:14px;margin-top:6px;line-height:1.9}.release-arrow{position:absolute;right:17px;top:17px;font-size:20px}.catalogue-grid{grid-template-columns:1fr;gap:0}.catalogue-book{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1fr);gap:23px;padding:28px 0}.catalogue-cover{padding:4px 0}.catalogue-cover img{height:240px}.catalogue-copy h3{font-size:21px;line-height:1.75;margin-bottom:12px}.category{font-size:13px;margin-bottom:8px}.catalogue-copy p{font-size:14px;line-height:1.9;margin-bottom:16px}.book-more{font-size:14px;margin-top:0}.archive-book{gap:14px;margin-top:25px}.archive-book>span:nth-child(2){flex-direction:column;align-items:flex-start;gap:7px}.archive-label{font-size:12px}.archive-title{font-size:15px}.books{padding-bottom:40px}.about{grid-template-columns:1fr;gap:32px;padding:35px 0}.about h2{font-size:23px;margin-bottom:22px}.about-copy p{font-size:16px;line-height:2.15}.profile{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.profile>div{display:flex;gap:18px;align-items:flex-start}.profile>div>div:first-child{width:60px;flex-shrink:0;margin:0}.profile img{width:60px;height:60px}.profile h3{margin-bottom:20px}.practical{grid-template-columns:1fr;gap:32px;padding:30px 0 38px}.practical section+section{border-top:1px solid var(--line);padding-top:30px}.practical h2{font-size:22px}.email{font-size:26px}body>footer{flex-direction:column;align-items:flex-start;gap:18px;padding:23px 0 30px}.compact-header .masthead>a{width:300px;max-width:95%}.compact-header .masthead{padding:18px 0 12px}.page-wrap{padding-top:24px}.back-link{margin-bottom:25px}.book-intro{grid-template-columns:1fr;gap:30px;margin-bottom:35px}.title-block h1{font-size:29px}.spec-block>div{flex-wrap:nowrap;gap:16px}.spec-block ul{columns:2}.detail-section{padding:30px 0}.detail-section p{font-size:17px}.purchase>div>div{grid-template-columns:1fr;gap:10px}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 20px}.cover-stage,.coming-art{height:220px}.coming-art{padding:16px}.coming-art h3{font-size:20px}.related{padding:35px 0 40px}.new-book{padding:25px 0 45px}.new-book h1{font-size:33px}.new-description{font-size:17px}dialog{padding:60px 40px 30px}dialog>img{height:65dvh}.previous,.next{padding:8px}.thumbnails{gap:5px}}
@media(max-width:370px){.catalogue-book{gap:17px}.catalogue-copy h3{font-size:19px}.catalogue-cover img{height:210px}.catalogue-copy p{font-size:14px}.opening h1{font-size:21px}.profile>div{gap:13px}.profile>div>div:first-child{width:48px}.profile img{width:48px;height:48px}.cover-stage,.coming-art{height:200px}.coming-art h3{font-size:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* New title: use the supplied complete cover, including its lower band. */
.release-notice{display:grid;grid-template-columns:205px minmax(0,1fr);gap:42px;align-items:center;padding:30px 38px;background:var(--paper)}
.release-cover{display:block;min-width:0}.release-cover img{width:100%;height:auto;filter:drop-shadow(5px 7px 5px #0002);transition:transform .2s}
.release-notice:hover .release-cover img{transform:translateY(-4px)}
.release-copy{display:flex;align-items:flex-start;gap:12px}.release-title{font-size:clamp(23px,2.8vw,31px);line-height:1.65}.release-description{max-width:570px;font-family:var(--serif);font-size:16px;line-height:2.2;color:var(--ink)}
.release-detail{font-size:14px;border-bottom:1px solid var(--line);padding-bottom:3px;margin-top:4px}.release-detail span{margin-left:18px}
.new-book{max-width:none;display:grid;grid-template-columns:minmax(240px,370px) minmax(0,1fr);gap:65px;align-items:center;padding:36px 0 70px}
.new-cover img{display:block;width:100%;height:auto;filter:drop-shadow(7px 9px 7px #0002)}
.new-copy h1{font-size:clamp(32px,4vw,50px)}.new-description{max-width:550px}
@media(max-width:800px){.release-notice{grid-template-columns:170px minmax(0,1fr);gap:28px;padding:24px}.release-title{font-size:24px}.new-book{grid-template-columns:minmax(190px,1fr) minmax(0,1.2fr);gap:35px}}
@media(max-width:640px){.release-notice{display:grid;grid-template-columns:128px minmax(0,1fr);gap:20px;padding:20px;align-items:start}.release-cover{grid-row:1}.release-copy{padding:0;grid-row:1}.release-status{margin:0;font-size:12px}.release-title{font-size:21px;line-height:1.6}.release-description{font-size:14px;line-height:1.9;margin-top:0}.release-detail{font-size:13px}.new-book{grid-template-columns:1fr;gap:30px;padding:24px 0 48px}.new-cover{max-width:330px;margin:auto}.new-copy h1{font-size:32px}.new-description{font-size:17px}}
@media(max-width:420px){.release-notice{grid-template-columns:1fr;gap:22px}.release-cover{width:min(72%,230px);justify-self:center}.release-copy{width:100%}.release-title{font-size:23px}.release-description{font-size:15px}.release-status{font-size:13px}.release-detail{font-size:14px}}

/* Price labels and the compact new-release layout. */
.release-price{font-size:15px;font-weight:600;letter-spacing:.02em}
.new-price{font-size:16px;font-weight:600;margin:0 0 18px}
@media(max-width:420px){
  .release-cover{grid-column:1;grid-row:1}
  .release-copy{grid-column:1;grid-row:2}
}

/* Section headings: a quiet, consistent accent across home and book pages. */
.section-heading h2,
.about-copy h2,
.practical h2,
.detail-section h2,
.related h2 {
  font-weight: 700;
  letter-spacing: .045em;
}
.section-heading h2::after,
.about-copy h2::after,
.practical h2::after,
.detail-section h2::after,
.related h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin-top: 9px;
  background: var(--yellow);
}

/* White background throughout; fine borders retain the section boundaries. */
.release-notice,.main-photo,.title-block>div{border:1px solid var(--line)}

/* A concise publication credit inside the author profile. */
.profile-credit{margin:13px 0 18px;padding:12px 0;border-top:1px solid var(--line)}
.profile-credit strong{display:inline-block;font-size:13px;line-height:1.5;font-weight:700;margin-bottom:7px}
.profile-credit a{display:block;font-size:13px;line-height:1.75}