@charset "UTF-8";
:root{--ink:#20211e;--paper:#fafaf5;--yellow:#ffe134;--line:#d8d9d1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid #3854d7;outline-offset:6px}a,summary{-webkit-tap-highlight-color:transparent}.wrap{width:min(1184px,calc(100% - 96px));margin-inline:auto}.header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink)}.brand{font-size:25px;font-weight:900;letter-spacing:-1px;display:flex;align-items:center;gap:10px}.brand-mark{background:var(--yellow);border:2px solid var(--ink);border-radius:50%;width:43px;height:43px;text-align:center;font-size:32px;position:relative;line-height:39px}.brand-mark span{position:absolute;font-size:22px;right:-8px;top:-8px}.brand-dot{font-size:13px;align-self:flex-start;margin-top:6px}.header nav{display:flex;gap:34px;font-size:13px;font-weight:800;letter-spacing:1px}.header nav a:hover{color:#736300}.hero{padding-top:77px;display:grid;grid-template-columns:1.15fr 1fr;gap:35px;position:relative}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.5px;margin:0 0 27px;display:flex;align-items:center;gap:9px}.small-star{font-size:24px}.hero h1{font-size:clamp(34px,4vw,54px);letter-spacing:-2px;line-height:1.55;margin:0 0 23px;font-weight:900}.hero h1>span{background:linear-gradient(transparent 61%,var(--yellow) 61%,var(--yellow) 95%,transparent 95%)}.intro{font-size:15px;line-height:2.1;color:#55564e;margin:0 0 28px}.button{display:inline-flex;gap:48px;align-items:center;padding:18px 24px;font-size:14px;font-weight:700;border:1px solid var(--ink);transition:transform .2s,box-shadow .2s}.button:hover{transform:translateY(-3px);box-shadow:4px 4px 0 #a49c61}.button span{font-size:22px}.dark{background:var(--ink);color:white}.hero-type{background:var(--yellow);padding:25px 32px 31px;transform:rotate(-3deg);align-self:center;position:relative;border:2px solid var(--ink);box-shadow:9px 9px 0 var(--ink);margin:5px 14px 8px 5px}.type-top,.type-bottom{font-size:11px;font-weight:900;letter-spacing:1.5px}.hero-type>div{font-size:clamp(68px,8.5vw,114px);line-height:.95;font-weight:950;letter-spacing:-9px;margin:28px 0 24px}.spark{font-size:.65em;vertical-align:top;margin-left:12px}.period{color:var(--paper)}.round-note{position:absolute;right:-22px;bottom:36px;display:flex;align-items:center;justify-content:center;width:105px;height:105px;border:2px solid var(--ink);border-radius:50%;background:var(--paper);transform:rotate(12deg);font-size:16px;font-weight:800;line-height:1.55}.hero-foot{grid-column:1/-1;margin-top:30px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:1.4px;font-weight:800;padding:20px 0 29px}.ticker{background:var(--yellow);border-block:1px solid var(--ink);overflow:hidden;padding:15px 0}.ticker>div{width:max-content;font-size:19px;font-weight:850;letter-spacing:.7px}.ticker span{margin:0 35px}.section{padding-top:89px;padding-bottom:82px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:37px;gap:20px}.section-heading .eyebrow{margin-bottom:15px;color:#66675b}.section-heading h2{margin:0;font-size:34px;letter-spacing:-1.5px}.section-heading h2>span{font-size:13px;letter-spacing:1px;margin-left:20px;font-weight:500;color:#707166}.section-heading>p{font-size:14px;line-height:1.8;margin:0;color:#626359}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:39px 28px}.book-art{height:295px;padding:23px 24px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--ink);overflow:hidden;transition:transform .2s,box-shadow .2s}.book a:hover .book-art{transform:translateY(-5px);box-shadow:5px 5px 0 var(--ink)}.art-label{font-size:10px;letter-spacing:1.7px;font-weight:800}.book-art>strong{font-size:39px;line-height:1.25;letter-spacing:-1px}.outlined{display:block;font-size:34px;-webkit-text-stroke:1px var(--ink);color:transparent;margin-top:7px}.art-foot{font-size:10px;font-weight:700;letter-spacing:1px;display:flex;justify-content:space-between;border-top:1px solid currentColor;padding-top:12px}.art-yellow{background:#f8df55}.art-pink{background:#f29cae}.art-blue{background:#a9c8e8}.art-cream{background:#e9e5d9}.art-green{background:#c9d5ae}.art-purple{background:#d9c9e7}.big-kanji{display:block;font-size:48px;margin-top:5px}.big-kanji>span{font-size:65px;font-style:italic}.vertical-title{position:relative}.large-question{position:absolute;right:3px;font-size:135px;top:-20px;font-family:Georgia,serif;font-weight:400;opacity:.65}.book-art .serif{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:34px;line-height:1.5}.art-sub{display:block;font-family:sans-serif;font-size:14px;letter-spacing:1px;margin-top:10px}.art-sub b{font-size:22px;margin-left:12px}.lotus-title>span{margin-left:65px}.book-meta{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.7px;margin:18px 0 9px;color:#64655b;font-weight:700}.book h3{font-size:18px;line-height:1.5;margin:0 0 6px}.book p{font-size:13px;line-height:1.7;margin:0;color:#616257}.book-note{font-size:12px;color:#6b6d62;margin:26px 0 30px;line-height:1.8}.adult{border-block:1px solid var(--line)}.adult summary{display:flex;align-items:center;gap:17px;padding:22px 0;cursor:pointer;list-style:none;font-size:14px;font-weight:700}.adult summary::-webkit-details-marker{display:none}.age{border:1px solid #75766c;border-radius:3px;font-size:12px;padding:4px 8px}.adult small{font-weight:400;font-size:12px;margin-left:15px;color:#6a6b60}.expand{margin-left:auto;font-size:23px}.adult[open] .expand{transform:rotate(45deg)}.adult-content{padding:0 0 25px 64px;font-size:14px;line-height:1.8}.adult-content>div{display:flex;gap:24px}.adult-content a{border-bottom:1px solid var(--ink);padding:7px 0}.games{background:var(--ink);color:var(--paper);overflow:hidden}.games-inner{padding-block:69px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:70px}.games .eyebrow{color:var(--yellow);margin-bottom:24px}.games h2{font-size:45px;line-height:1.4;letter-spacing:-1.5px;margin:0 0 21px}.games p:not(.eyebrow){font-size:14px;line-height:1.9;color:#c8c9bf;margin-bottom:25px}.yellow{background:var(--yellow);color:var(--ink)}.game-type{border-block:1px solid #707165;padding:20px 0}.game-type>span{font-size:11px;letter-spacing:2px}.game-type strong{display:block;font-size:clamp(65px,8vw,106px);line-height:1;font-weight:900;letter-spacing:-6px;margin:25px 0;position:relative}.game-type i{font-style:normal;color:var(--yellow)}.game-type strong>span{font-size:80px;position:absolute;right:0;bottom:0;color:var(--yellow)}.game-type>div{display:flex;justify-content:space-between;font-size:12px;letter-spacing:2px}.social-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.social-grid>a{display:flex;align-items:center;gap:19px;border-block-end:1px solid var(--line);padding:25px 4px;transition:background .2s}.social-grid>a:hover{background:#f1f0df}.social-icon{height:45px;width:45px;display:grid;place-items:center;font-size:34px;font-weight:700}.yt{font-size:21px;color:#e53229}.ig{color:#aa337e}.social-grid strong{display:block;font-size:20px}.social-grid small{display:block;font-size:12px;color:#67695c;margin-top:6px}.social-arrow{margin-left:auto;font-size:25px}.footer{border-top:1px solid var(--ink);padding-block:29px;display:flex;align-items:center;justify-content:space-between;gap:20px}.footer .brand{font-size:21px}.footer>span,.footer>a:last-child{font-size:11px;color:#66685c}.skip{position:absolute;left:10px;top:-90px;z-index:10;background:white;padding:14px}.skip:focus{top:10px}
@media(min-width:1500px){.hero{padding-block-start:90px}.hero-type>div{font-size:120px}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.hero{gap:23px}.hero-type{padding-inline:24px}.hero-type>div{letter-spacing:-6px}.book-art{height:260px;padding:20px}.book-art>strong{font-size:30px}.book-art .serif{font-size:27px}.outlined{font-size:27px}.big-kanji{font-size:36px}.art-sub{font-size:11px}.art-sub b{font-size:18px;margin-left:3px}.games-inner{gap:40px}.section-heading h2{font-size:29px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.header{height:84px}.brand{font-size:20px;gap:7px}.brand-mark{width:34px;height:34px;font-size:25px;line-height:30px}.brand-dot{display:none}.header nav{gap:14px;font-size:10px;letter-spacing:.3px}.hero{grid-template-columns:1fr;padding-top:40px;gap:28px}.eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:18px}.hero h1{font-size:clamp(32px,8.4vw,49px);letter-spacing:-1.5px}.intro{font-size:13px;line-height:2}.hero-type{width:calc(100% - 26px);max-width:430px;justify-self:center;margin:13px 0 5px;padding:22px 27px}.hero-type>div{font-size:clamp(83px,23vw,110px);margin:22px 0;letter-spacing:-7px}.round-note{right:-14px;width:90px;height:90px;font-size:14px}.hero-foot{margin:4px 0 0;padding:13px 0 22px;font-size:8px;letter-spacing:.5px}.ticker{padding:12px 0}.ticker>div{font-size:15px}.ticker span{margin:0 20px}.section{padding-block:55px}.section-heading{display:block;margin-bottom:26px}.section-heading h2{font-size:27px}.section-heading h2>span{font-size:11px;margin-left:13px}.section-heading>p{font-size:13px;margin-top:15px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 15px}.book-art{height:220px;padding:15px 12px}.art-label{font-size:8px;letter-spacing:.3px}.book-art>strong{font-size:26px}.outlined{font-size:22px}.big-kanji{font-size:28px}.big-kanji>span{font-size:36px}.book-art .serif{font-size:22px}.art-sub{font-size:9px;letter-spacing:0}.art-sub b{display:block;font-size:17px}.art-foot{font-size:8px;letter-spacing:0}.large-question{font-size:95px;right:-5px;top:6px}.lotus-title>span{margin-left:30px}.book-meta{font-size:8px;letter-spacing:0;margin-top:13px;gap:3px}.book h3{font-size:15px}.book p{font-size:11px}.book-note{font-size:11px}.adult small{display:block;margin:5px 0 0;font-size:11px}.adult-content{padding-left:0;font-size:13px}.games-inner{grid-template-columns:1fr;padding-block:45px;gap:43px}.games h2{font-size:37px}.game-type strong{font-size:95px}.game-type strong>span{font-size:75px}.social-grid{grid-template-columns:1fr}.social-grid>a{padding-block:21px}.footer{flex-wrap:wrap;padding-block:24px;gap:22px}.footer .brand{width:100%}.footer>a:last-child{margin-left:auto}}
@media(max-width:360px){.wrap{width:calc(100% - 28px)}.header nav{gap:9px}.brand-mark{display:none}.book-art{height:195px}.book-art>strong{font-size:23px}.book-art .serif{font-size:20px}.outlined{font-size:19px}.big-kanji{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Book introductions and tools */
.book-page{max-width:960px;padding-bottom:60px}.breadcrumb{display:flex;gap:14px;padding:27px 0;font-size:11px;font-weight:700;letter-spacing:1px}.breadcrumb a:hover,.text-link:hover{text-decoration:underline}.book-intro{padding:48px;border:1px solid var(--ink);margin-bottom:48px}.book-intro h1{font-size:clamp(30px,5vw,52px);line-height:1.4;letter-spacing:-1px;margin:0 0 24px;overflow-wrap:anywhere}.book-tagline{font-size:22px;font-weight:700;line-height:1.6}.book-description{max-width:680px;line-height:2;font-size:15px}.editions h2,.related-videos h2{font-size:26px;margin:0 0 24px}.edition{border-top:1px solid var(--line);padding:28px 0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center}.edition .eyebrow{margin-bottom:12px;color:#67695c}.edition h3{font-size:21px;line-height:1.6;margin:0 0 12px}.edition p:not(.eyebrow){font-size:14px;line-height:1.9;color:#55564e;margin:0}.edition .button{gap:18px;white-space:nowrap}.related-videos{margin-top:48px}.related-videos>p{font-size:14px;line-height:1.9;color:#55564e}.video-list{list-style:none;padding:0;margin:24px 0}.video-list li{border-top:1px solid var(--line)}.video-list a{display:block;padding:20px 0;font-size:14px;line-height:1.8}.video-list a:hover{background:#f1f0df}.text-link{font-size:14px;border-bottom:1px solid}.back-link{margin:48px 0 0}.tools-section{padding-block:46px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px}.tools-section .eyebrow{margin-bottom:16px}.tools-section h2{font-size:28px;margin:0 0 14px}.tools-section p:not(.eyebrow){font-size:14px;line-height:1.8;color:#55564e}.tools-section .button{flex-shrink:0;gap:20px}
@media(max-width:700px){.book-intro{padding:28px 22px;margin-bottom:32px}.book-intro .eyebrow{font-size:9px}.book-tagline{font-size:18px}.book-description{font-size:14px}.edition{grid-template-columns:1fr;gap:18px}.edition .button{justify-self:start;white-space:normal}.edition h3{font-size:19px}.tools-section{display:block;padding-block:36px}.tools-section h2{font-size:24px}.tools-section .button{margin-top:12px}.book-page .header nav{gap:9px}}
.edition p.edition-subtitle{font-weight:700;font-size:12px;margin-bottom:12px;letter-spacing:.3px}
.cover-art{background:#efefe7;align-items:center;justify-content:center;padding:15px}.cover-art img{display:block;width:100%;height:100%;object-fit:contain}.edition.has-cover{grid-template-columns:140px minmax(0,1fr)}.edition-cover{margin:0;grid-row:1 / span 2;align-self:start}.edition-cover img{display:block;width:100%;height:auto;max-height:240px;object-fit:contain}.edition.has-cover>.button{grid-column:2;justify-self:start}.edition.has-cover{row-gap:18px}
@media(max-width:700px){.edition.has-cover{grid-template-columns:90px minmax(0,1fr);column-gap:18px}.edition.has-cover>.button{grid-column:1 / -1}.edition-cover{grid-row:1}.edition.has-cover h3{font-size:17px}.edition.has-cover p:not(.eyebrow){font-size:13px}.edition-cover img{max-height:155px}}