:root{--ink:#202c2b;--red:#e44732;--teal:#087f83;--yellow:#ffda64;--paper:#fff;--muted:#616b69;font-family:'M PLUS Rounded 1c','Noto Sans JP',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:100px}
*{box-sizing:border-box}
body{margin:0;font-size:16px;line-height:1.75}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
img{display:block;max-width:100%;height:auto}
figure,p,h1,h2,h3{margin:0}
[hidden]{display:none!important}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--teal);outline-offset:5px}
.book-wrap{width:min(1140px,calc(100% - 80px));margin-inline:auto}
.book-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.book-skip{position:fixed;left:20px;top:-100px;z-index:10;padding:12px 20px;background:var(--yellow);border:2px solid var(--ink)}
.book-skip:focus{top:12px}
.book-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.97);border-bottom:2px solid var(--ink)}
.book-header-inner{width:min(1300px,calc(100% - 64px));min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:auto}
.book-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--red);color:white;border:2px solid var(--ink);border-radius:50%;font-family:Arial,sans-serif;font-size:25px;font-weight:900;line-height:1}
.book-header nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:800;letter-spacing:.06em}
.book-header nav a{padding-block:10px}
.book-header nav a:hover{color:var(--red)}
.book-cover{overflow:hidden;border-bottom:2px solid var(--ink)}
.book-cover-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;padding-block:50px 28px}
.book-cover-copy{padding-block:24px;position:relative;z-index:1}
.book-eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;letter-spacing:.14em}
.eyebrow-line{display:block;width:32px;height:3px;background:var(--red)}
.book-cover h1{margin-block:28px 22px;font-weight:900;line-height:1;letter-spacing:-.035em}
.book-name{display:block;font-size:clamp(26px,3vw,42px);letter-spacing:.025em;line-height:1.5;margin-bottom:14px}
.book-title-art,.book-title-book{display:block;font-family:'Arial Black','M PLUS Rounded 1c',sans-serif;font-size:clamp(80px,8.8vw,124px);font-weight:900;line-height:.95}
.book-title-art{color:var(--red)}
.book-title-book{color:var(--teal)}
.book-full-stop{color:var(--red)}
.book-cover-description{font-size:18px;line-height:1.8;margin-top:28px;font-weight:700}
.book-cover-link{display:inline-block;background:var(--yellow);border:2px solid var(--ink);border-radius:999px;padding:12px 26px;margin-top:28px;font-size:15px;font-weight:800;box-shadow:3px 3px 0 var(--ink);transition:transform .15s,box-shadow .15s}
.book-cover-link:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.book-cover-art{position:relative;height:590px;isolation:isolate}
.cover-backdrop{position:absolute;width:450px;height:450px;max-width:90%;border-radius:50%;background:var(--yellow);top:66px;left:24px;z-index:-1}
.cover-frame{position:absolute;padding:10px 10px 0;background:white;border:2px solid var(--ink);box-shadow:7px 7px 0 var(--ink)}
.cover-frame img{width:100%;height:auto}
.cover-frame figcaption{font-family:Arial,sans-serif;font-size:13px;font-weight:900;letter-spacing:.13em;padding-block:10px;text-align:center}
.cover-frame-main{width:290px;top:18px;left:40px;transform:rotate(-6deg)}
.cover-frame-small{width:200px;right:8px;bottom:26px;transform:rotate(8deg)}
.cover-count{position:absolute;right:12px;top:20px;width:110px;height:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;border:2px solid var(--ink);background:var(--teal);color:white;border-radius:50%;transform:rotate(9deg)}
.cover-count strong{font-size:48px;font-family:Arial,sans-serif;font-weight:900}
.cover-count span{font-size:10px;font-family:Arial,sans-serif;font-weight:700;margin-top:5px;letter-spacing:.035em}
.book-cover-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:20px 24px;font-size:14px;font-weight:700}
.cover-page-number{font-size:12px;letter-spacing:.12em;white-space:nowrap}
.book-gallery{padding-block:76px 32px}
.book-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.book-section-heading h2{font-family:'Arial Black','M PLUS Rounded 1c',sans-serif;font-size:clamp(42px,5vw,64px);letter-spacing:-.04em;line-height:1.2;margin-top:8px;font-weight:900}
.heading-period{color:var(--red)}
.gallery-hint{font-size:14px;font-weight:700;padding-bottom:8px}
.book-tabs{display:flex;gap:12px;flex-wrap:wrap}
.book-tab{display:flex;align-items:center;gap:20px;padding:12px 22px;border:2px solid var(--ink);border-radius:999px;background:white;font-size:16px;font-weight:800;transition:background .15s,transform .15s}
.book-tab:hover{background:#f5f7f6}
.book-tab[aria-selected="true"]{background:var(--red);color:white;box-shadow:3px 3px 0 var(--ink)}
.book-tab[data-category="chibi"][aria-selected="true"]{background:var(--teal)}
.book-tab[data-category="others"][aria-selected="true"]{background:var(--yellow);color:var(--ink)}
.tab-count{font-family:Arial,sans-serif;font-size:14px;font-weight:900;opacity:.8}
.book-gallery-status{display:flex;justify-content:space-between;gap:14px;margin-block:26px 18px;font-size:13px;color:var(--muted)}
.book-gallery-status [data-gallery-status]{font-weight:700;color:var(--ink);font-size:14px}
.book-panel{margin-bottom:48px}
.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px 22px}
.book-art{display:block;border:2px solid var(--ink);padding:8px;background:white;border-radius:5px;transition:transform .16s,box-shadow .16s}
.book-art:hover{transform:translateY(-4px);box-shadow:4px 4px 0 var(--yellow)}
.book-art-image{aspect-ratio:2/3;display:grid;place-items:center;background:#f4f5f3;overflow:hidden}
.book-art-image img{width:100%;height:100%;object-fit:contain}
.book-art figcaption{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 3px 3px;font-family:Arial,sans-serif;font-size:12px;letter-spacing:.05em;font-weight:700}
.book-art figcaption span:last-child{font-size:14px;font-weight:900;color:var(--red)}
[data-gallery-panel="chibi"] .book-art figcaption span:last-child{color:var(--teal)}
[data-gallery-panel="others"] .book-art figcaption span:last-child{color:var(--ink)}
.book-usage{border-top:2px solid var(--ink);padding:32px 0 16px;margin-top:60px}
.book-usage h2{font-size:16px;font-weight:800;margin-bottom:12px}
.book-usage p{font-size:14px;color:var(--muted);line-height:2;max-width:960px}
.book-viewer{inset:0;margin:auto;border:2px solid var(--ink);border-radius:8px;background:white;color:var(--ink);padding:18px;width:min(1080px,calc(100vw - 36px));max-height:calc(100dvh - 36px);height:min(900px,calc(100dvh - 36px));overflow:hidden}
.book-viewer[open]{display:flex;flex-direction:column}
.book-viewer::backdrop{background:rgba(16,25,25,.86)}
.viewer-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-shrink:0;padding-bottom:12px;min-height:48px}
.viewer-toolbar p{font-size:15px;font-weight:800}
.viewer-close,.viewer-pagination button{border:2px solid var(--ink);border-radius:999px;background:white;padding:6px 16px;font-size:14px;font-weight:700;min-height:40px}
.viewer-close span{font-size:20px;margin-left:8px}
.viewer-close:hover,.viewer-pagination button:hover{background:var(--yellow)}
.viewer-image-wrap{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:#f4f5f3}
.viewer-image{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.viewer-pagination{display:flex;align-items:center;justify-content:center;gap:24px;flex-shrink:0;padding-top:14px;font-size:14px}
.viewer-count{min-width:60px;text-align:center}
.book-top{position:fixed;bottom:22px;right:22px;z-index:4;width:52px;height:52px;display:grid;place-items:center;background:var(--yellow);color:var(--ink);border:2px solid var(--ink);border-radius:50%;font-family:Arial,sans-serif;font-size:13px;font-weight:900;box-shadow:2px 2px 0 var(--ink)}
@media(min-width:1500px){.book-cover-grid{padding-top:64px;padding-bottom:42px}}
@media(max-width:1000px){.book-cover-grid{gap:12px;grid-template-columns:1fr 1fr}.book-cover-art{height:520px}.cover-frame-main{width:245px;left:14px}.cover-frame-small{width:165px;right:3px}.cover-count{width:92px;height:92px;top:18px;right:4px}.cover-count strong{font-size:40px}.cover-backdrop{height:360px;top:60px;left:5px}.book-title-art,.book-title-book{font-size:96px}.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.book-cover-description{font-size:16px}}
@media(max-width:700px){:root{scroll-padding-top:86px}.book-wrap{width:calc(100% - 36px)}.book-header-inner{width:calc(100% - 28px);min-height:68px;gap:10px}.book-brand{font-size:14px;gap:7px}.brand-mark{width:29px;height:29px;font-size:20px}.book-header nav{gap:13px;font-size:12px;letter-spacing:0}.book-cover-grid{grid-template-columns:1fr;gap:0;padding-block:28px 6px}.book-cover-copy{padding-block:10px 20px}.book-eyebrow{font-size:12px}.book-cover h1{margin-block:20px 16px}.book-name{font-size:27px;margin-bottom:8px}.book-title-art,.book-title-book{font-size:clamp(76px,21vw,118px);display:inline-block}.book-title-art{margin-right:12px}.book-cover-description{font-size:16px;margin-top:18px}.book-cover-link{margin-top:18px;padding:9px 22px;font-size:14px}.book-cover-art{height:490px;width:100%;max-width:420px;margin:auto}.cover-frame-main{width:232px;top:24px;left:32px}.cover-frame-small{width:160px;right:16px;bottom:16px}.cover-backdrop{width:340px;height:340px;top:55px;left:15px}.cover-count{right:10px;top:12px;width:86px;height:86px}.cover-count strong{font-size:36px}.cover-count span{font-size:9px}.book-cover-bottom{padding-block:14px 20px;font-size:12px}.cover-page-number{font-size:10px}.book-gallery{padding-top:42px}.book-section-heading{align-items:flex-start;flex-direction:column;gap:10px;margin-bottom:22px}.book-section-heading h2{font-size:45px}.gallery-hint{font-size:14px;padding-bottom:0}.book-tabs{gap:8px;flex-wrap:nowrap}.book-tab{gap:7px;padding:10px 12px;font-size:14px;flex:1;justify-content:center;white-space:nowrap}.tab-count{font-size:12px}.book-gallery-status{margin-top:24px;font-size:12px;gap:8px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.book-art{padding:5px}.book-art figcaption{padding:9px 1px 2px;font-size:10px;letter-spacing:0}.book-art figcaption span:last-child{font-size:12px}.book-usage{margin-top:36px;padding-top:24px}.book-viewer{padding:12px;width:calc(100vw - 20px);height:calc(100dvh - 24px);max-height:calc(100dvh - 24px)}.viewer-toolbar p{font-size:14px}.viewer-close{padding:4px 10px}.viewer-pagination{gap:20px}.book-top{width:46px;height:46px;right:14px;bottom:14px}}
@media(max-width:700px){.book-header nav{font-size:14px}.book-title-art,.book-title-book{font-size:clamp(52px,14vw,78px)}.cover-count span,.cover-page-number,.book-art figcaption{font-size:12px}.book-art figcaption span:last-child{font-size:14px}.book-tab{padding-inline:8px;gap:5px}}
@media(max-width:380px){.brand-mark{display:none}.book-header nav{gap:9px}.book-tabs{gap:6px}.book-tab{padding-inline:6px;gap:4px}.cover-frame-main{left:20px;width:212px}.cover-frame-small{right:10px;width:145px}.book-cover-art{height:460px}.cover-count{right:4px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}

/* The expanded illustration sits directly on the dark backdrop, without a panel. */
.book-viewer{inset:0;margin:0;padding:0;border:0;border-radius:0;background:transparent;color:white;width:100vw;max-width:none;height:100dvh;max-height:none;box-shadow:none;overflow:hidden}
.book-viewer[open]{display:block}
.book-viewer::backdrop{background:rgba(8,12,12,.94)}
.viewer-toolbar{position:absolute;inset:8px 16px auto;min-height:36px;padding:0;z-index:1}
.viewer-toolbar p{font-size:14px;font-weight:500}
.viewer-close,.viewer-pagination button{border:0;box-shadow:none;background:rgba(255,255,255,.12);color:white;min-height:36px;padding:6px 14px}
.viewer-close:hover,.viewer-pagination button:hover{background:rgba(255,255,255,.24)}
.viewer-close:focus-visible,.viewer-pagination button:focus-visible{outline-color:white}
.viewer-image-wrap{position:absolute;inset:52px 14px 58px;background:transparent;display:flex;align-items:center;justify-content:center}
.viewer-image{width:auto;height:100%;max-width:100%;max-height:100%;object-fit:contain;border:0;border-radius:0;box-shadow:none}
.viewer-pagination{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);padding:0;gap:20px;white-space:nowrap}
@media(max-width:700px){.viewer-toolbar{inset:8px 10px auto}.viewer-image-wrap{inset:52px 6px 58px}.viewer-close{padding-inline:12px}}
.book-cover .book-title-art,.book-cover .book-title-music{font-size:clamp(48px,6.6vw,100px);display:block;margin-right:0}
.book-title-music{color:var(--red)}
.book-title-art{color:var(--teal)}
@media(max-width:700px){.book-cover .book-title-art,.book-cover .book-title-music{font-size:clamp(48px,14vw,78px)}}
.book-music{padding-block:64px 56px;border-bottom:2px solid var(--ink)}
.book-music-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.book-track{min-width:0}
.book-track:only-child{grid-column:1/-1;width:100%;max-width:900px;margin-inline:auto}
.book-video{position:relative;width:100%;aspect-ratio:16/9;background:var(--ink);border:2px solid var(--ink);border-radius:12px;overflow:hidden}
.book-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.book-track-caption{display:flex;gap:16px;align-items:baseline;padding-top:18px}
.book-track-number{font-family:Arial,sans-serif;font-size:14px;font-weight:900;color:var(--teal)}
.book-track-caption h3{font-size:22px;line-height:1.5;overflow-wrap:anywhere}
.book-profile{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:center;padding-block:48px;border-bottom:2px solid var(--ink)}
.book-profile-portrait img{width:100%;height:auto;border-radius:12px}
.book-profile .book-section-heading{margin-bottom:20px}
.book-profile .book-section-heading h2{font-size:clamp(28px,3.5vw,42px);line-height:1.4}
.book-profile-text{font-size:16px;line-height:1.9}
.book-profile-text p+p{margin-top:18px}
@media(max-width:700px){.book-profile{grid-template-columns:1fr;gap:24px;padding-block:36px}.book-profile-portrait{width:200px;margin-inline:auto}.book-header nav{flex-wrap:wrap}.book-profile .book-section-heading{margin-bottom:16px}}
@media(max-width:700px){:root{scroll-padding-top:112px}.book-header-inner{flex-wrap:wrap;padding-block:10px;gap:4px}.book-header nav{width:100%;justify-content:space-between;gap:12px}.book-header nav a{padding-block:4px}.book-music{padding-block:42px 36px}.book-music-grid{grid-template-columns:1fr;gap:28px}.book-track-caption{padding-top:12px;gap:12px}.book-track-caption h3{font-size:20px}}
@media(max-width:380px){:root{scroll-padding-top:140px}}
.book-header nav a:last-child{border-left:1px solid var(--ink);padding-left:24px}
@media(max-width:700px){.book-header nav a:last-child{padding-left:12px}}
.book-brand{font-size:1.25rem}
.book-header nav{font-size:1.125rem;line-height:1.5;flex-wrap:wrap}
.book-header nav a{white-space:nowrap}
@media(max-width:900px){:root{scroll-padding-top:128px}.book-header-inner{flex-wrap:wrap;padding-block:10px;gap:8px}.book-header nav{width:100%;justify-content:space-between;gap:12px}}
@media(max-width:700px){.book-brand{font-size:1.125rem}.book-header nav{font-size:1rem}}
@media(max-width:460px){:root{scroll-padding-top:150px}}
.book-menu-toggle{display:none;color:var(--ink);background:transparent;border:0;border-radius:0;box-shadow:none;padding:10px;cursor:pointer}
@media(max-width:760px){
 :root{scroll-padding-top:92px}
 .book-header-inner{width:calc(100% - 28px);min-height:74px;padding-block:10px;flex-wrap:nowrap;gap:12px}
 .book-menu-toggle{display:flex;flex:0 0 44px;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:6px}
 .book-menu-toggle span{display:block;width:22px;height:1px;background:currentColor;transition:transform .2s}
 .book-menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}
 .book-menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
 .book-header nav{display:none;position:absolute;inset:100% 0 auto;width:100%;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;padding:22px 7% 28px;background:var(--paper);border-bottom:2px solid var(--ink);max-height:calc(100dvh - 74px);overflow-y:auto;font-size:1rem}
 .book-header nav.is-open{display:flex}
 .book-header nav a{padding-block:6px}
 .book-header nav a:last-child{border-left:0;border-top:1px solid var(--ink);padding-left:0;padding-top:14px;margin-top:6px;width:100%}
}