@charset "UTF-8";
:root{color-scheme:dark;--bg:#080b10;--panel:#10161e;--ink:#f2f5f0;--muted:#a9b4bf;--line:#2a3542;--acid:#d6ff3f;--cyan:#62e6f6;--violet:#ba9dff;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--sans:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}figure,p,h1,h2,h3{margin:0}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:6px}::selection{background:var(--acid);color:var(--bg)}[hidden]{display:none!important}.skip{position:absolute;left:20px;top:-90px;z-index:100;background:var(--acid);color:var(--bg);padding:12px}.skip:focus{top:12px}.section{width:min(1360px,calc(100% - 96px));margin-inline:auto;padding-block:96px}.eyebrow{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--cyan);line-height:1.8}
.site-head{max-width:1600px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:24px 48px;gap:32px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:22px;line-height:1.4;letter-spacing:-.04em;flex-shrink:0}.brand small{display:block;font-family:var(--mono);font-size:8px;font-weight:400;letter-spacing:.17em;color:var(--muted);margin-top:5px}.brand-mark{font-size:40px;font-weight:400;line-height:1;color:var(--acid);transform:rotate(-45deg)}.site-head nav{display:flex;align-items:center;gap:28px}.site-head nav a{font-size:12px;padding-block:12px;white-space:nowrap}.site-head nav a:hover{color:var(--acid)}.head-cta{border:1px solid #627332;padding:10px 16px;color:var(--acid);font-size:12px;white-space:nowrap;display:flex;align-items:center;gap:24px}.head-cta span{font-size:20px}.head-cta:hover{background:var(--acid);color:var(--bg)}
.hero{max-width:1600px;margin:auto;padding:24px 48px 48px;background:radial-gradient(ellipse at 82% 40%,#10232680,transparent 56%);position:relative;overflow:hidden}.hero-rail{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding-bottom:32px}.hero-rail span:first-child{display:flex;align-items:center;gap:10px}.status-dot{height:6px;width:6px;background:var(--acid);display:inline-block;box-shadow:0 0 12px #d6ff3f80}.hero-layout{display:grid;grid-template-columns:1fr 1.14fr;gap:48px;align-items:center}.hero-copy{position:relative;padding-bottom:8px;z-index:1}.hero-copy>.eyebrow{color:var(--muted);font-family:var(--sans);font-weight:400;letter-spacing:.05em;font-size:12px;margin-bottom:24px}.hero-copy h1{font-size:clamp(30px,3.3vw,52px);line-height:1.4;font-weight:600;letter-spacing:-.06em;white-space:nowrap}.hero-copy h1 span,.hero-copy h1 strong{display:block}.hero-copy h1 strong{color:var(--acid);font-size:1.17em;font-weight:800}.hero-desc{font-size:15px;line-height:2.05;margin-top:28px;color:#c6ced7}.hero-actions{margin-top:32px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:52px;padding:12px 24px;font-size:13px;font-weight:700;line-height:1.6;transition:background .2s,transform .2s;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}.button span{font-size:22px;font-weight:400}.primary{background:var(--acid);color:#080b10}.primary:hover{background:#e9ff9c;transform:translateY(-2px)}.quiet-link{font-size:12px;min-height:44px;display:inline-flex;align-items:center;border-bottom:1px solid #67717b}.quiet-link:hover{color:var(--acid)}.hero-small{font-size:11px;color:var(--muted);margin-top:16px}.hero-sign{font-family:Impact,"Arial Narrow",Arial,sans-serif;font-weight:900;font-stretch:condensed;font-size:clamp(52px,6.2vw,92px);line-height:.9;letter-spacing:-.025em;margin-top:40px;color:#202c39}.hero-sign span{-webkit-text-stroke:1px #38495a;color:transparent}
.hero-visual{min-width:0;position:relative;border:1px solid #3f6060;background:#080e14;box-shadow:0 0 64px #62e6f608;clip-path:polygon(20px 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%,0 20px)}.visual-top{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;color:var(--cyan);font-family:var(--mono);font-size:9px;letter-spacing:.12em;border-bottom:1px solid #315054}.visual-cross{font-size:20px;line-height:1}.hero-image{position:relative;height:448px;overflow:hidden;background:#14232b}.hero-image img{width:100%;height:100%;object-fit:cover;object-position:60% center}.hero-image:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,#03060bdf);pointer-events:none}.viewfinder{position:absolute;inset:18px;border:1px solid #c9ffff45;z-index:1;pointer-events:none}.viewfinder:before,.viewfinder:after{content:"";position:absolute;width:28px;height:28px;border-color:var(--acid);border-style:solid}.viewfinder:before{left:-1px;top:-1px;border-width:2px 0 0 2px}.viewfinder:after{right:-1px;bottom:-1px;border-width:0 2px 2px 0}.visual-side{position:absolute;right:25px;top:40px;writing-mode:vertical-rl;font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:#c9e6e7;z-index:1}.visual-title{position:absolute;left:36px;bottom:36px;z-index:2;color:white;font-family:Impact,"Arial Narrow",Arial,sans-serif;font-weight:900;font-size:clamp(32px,3.7vw,58px);line-height:.98;letter-spacing:-.02em}.visual-title em{font-style:normal;color:var(--acid)}.hero-visual figcaption{display:flex;justify-content:space-between;padding:10px 20px;color:var(--muted);font-family:var(--mono);font-size:9px}.visual-timeline{display:flex;gap:8px;align-items:center;padding:12px 20px 20px;font-family:var(--mono);font-size:9px;color:var(--muted)}.visual-timeline i{display:block;height:13px;flex:1;background:repeating-linear-gradient(90deg,#385052 0 10px,#182b30 10px 12px);border-top:1px solid var(--cyan)}.visual-timeline i:nth-of-type(2){border-color:var(--violet);background:#302444}.visual-timeline i:last-of-type{border-color:var(--acid);background:#35451b}.visual-timeline b{font-size:22px;font-weight:400;color:var(--acid)}
.topic-strip{display:grid;grid-template-columns:.7fr 1fr 1fr 1fr;gap:16px;padding:20px 48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#0d131c;font-size:12px;max-width:1600px;margin:auto}.topic-strip>span{color:var(--muted)}.topic-strip a{border-left:1px solid var(--line);padding-left:24px;display:flex;align-items:center;min-height:44px}.topic-strip a:hover{color:var(--acid)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:40px}.section-heading h2{font-size:32px;line-height:1.55;letter-spacing:-.045em;font-weight:600;margin-top:16px}.section-heading>p{font-size:13px;color:var(--muted);line-height:1.9;max-width:420px}.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;border-bottom:1px solid var(--line)}.filter-bar>div{display:flex;gap:20px;flex-wrap:wrap}.filter-bar button{background:transparent;border:0;border-bottom:2px solid transparent;padding:12px 4px;color:var(--muted);font-size:12px;min-height:48px}.filter-bar button[aria-pressed=true]{color:var(--acid);border-bottom-color:var(--acid)}.filter-bar>span{font-size:10px;color:var(--muted);white-space:nowrap}.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.guide-card{min-width:0}.guide-card a{display:block;height:100%}.card-art{height:210px;overflow:hidden;position:relative;border:1px solid var(--line);background:#101820}.card-art img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.guide-card:hover .card-art img{transform:scale(1.04)}.art-index{position:absolute;top:12px;left:12px;font-family:var(--mono);font-size:9px;padding:4px 8px;color:var(--ink);background:#080b10d9;letter-spacing:.05em;z-index:2}.card-meta{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-block:18px 10px}.card-meta span:first-child{color:var(--cyan)}.guide-card h3{display:flex;justify-content:space-between;gap:16px;font-size:18px;line-height:1.6;font-weight:600;letter-spacing:-.02em}.guide-card h3>span{color:var(--acid);font-weight:400;font-size:22px}.guide-card p{font-size:12px;line-height:1.95;color:var(--muted);margin-top:12px}.guide-card:hover h3{color:var(--acid)}.graphic-focus{height:100%;position:relative;display:grid;place-items:center;background:radial-gradient(ellipse,#173c45,transparent 70%),repeating-linear-gradient(0deg,transparent 0 23px,#263a4522 24px),repeating-linear-gradient(90deg,transparent 0 23px,#263a4522 24px)}.focus-ring{width:112px;height:112px;border:1px solid var(--cyan);border-radius:50%;box-shadow:0 0 0 12px #62e6f60a,0 0 0 32px #62e6f605;position:relative}.focus-ring:after{content:"+";position:absolute;inset:0;display:grid;place-items:center;color:var(--cyan);font:50px var(--mono);font-weight:200}.focus-dot{position:absolute;width:7px;height:7px;top:60px;right:62px;background:var(--acid);box-shadow:0 0 20px #d6ff3f80}.focus-label{position:absolute;bottom:16px;font:8px var(--mono);letter-spacing:.08em;color:var(--cyan)}.graphic-edit{display:grid;grid-template-columns:20px 1.3fr 1fr 1.6fr;grid-template-rows:34px 26px;gap:7px;align-content:center;padding:44px 20px 20px;height:100%;position:relative;background:repeating-linear-gradient(90deg,#0e1322 0 38px,#283042 39px,#0e1322 40px)}.graphic-edit:after{content:"";position:absolute;top:40px;bottom:30px;left:62%;width:1px;background:var(--acid);box-shadow:0 0 12px #d6ff3f55}.graphic-edit span{font:9px var(--mono);color:var(--muted);align-self:center}.graphic-edit i{background:#503975;border-top:2px solid var(--violet)}.graphic-edit i:nth-child(3){background:#174a59;border-color:var(--cyan)}.graphic-edit b{background:repeating-linear-gradient(90deg,#395829 0 2px,#1b2d23 3px 6px);border-top:1px solid #b0e396}.graphic-work{display:flex;height:100%;padding:48px 20px 20px;align-items:center;justify-content:space-between;background:#192218}.graphic-work>span{font-family:Impact,"Arial Narrow",Arial,sans-serif;font-weight:900;font-size:36px;line-height:1;letter-spacing:-.03em}.graphic-work em{color:var(--acid);font-style:normal}.graphic-work>i{font-style:normal;font-size:72px;line-height:1;color:var(--acid)}
.roadmap{border-top:1px solid var(--line)}.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);padding:0;margin:48px 0 0}.steps li{border-right:1px solid var(--line);padding:0 24px}.steps li:first-child{padding-left:0}.steps li:last-child{padding-right:0;border-right:0}.steps a{display:block}.step-number{font-family:var(--mono);font-size:40px;letter-spacing:-.08em;color:var(--cyan);line-height:1}.step-line{display:block;border-top:1px solid var(--line);margin-block:24px;position:relative}.step-line:before{content:"";position:absolute;width:8px;height:8px;background:var(--acid);top:-4px}.steps h3{font-size:17px;font-weight:600;margin-bottom:12px}.steps p{font-size:12px;color:var(--muted);line-height:2}.step-link{font-size:11px;display:block;margin-top:24px;color:var(--acid)}.steps a:hover h3{color:var(--acid)}
.worksheet{display:grid;grid-template-columns:1.2fr 1fr;gap:48px 80px;align-items:center;border-top:1px solid #526332;border-bottom:1px solid #526332;position:relative;background:radial-gradient(ellipse at 100% 50%,#d6ff3f08,transparent 70%)}.worksheet:before{content:"";position:absolute;top:-1px;left:0;width:100px;border-top:3px solid var(--acid)}.worksheet h2{font-size:34px;line-height:1.55;font-weight:500;margin-top:16px;letter-spacing:-.04em}.worksheet h2 strong{color:var(--acid);font-weight:600}.worksheet-copy>p:not(.eyebrow){font-size:13px;line-height:2;color:var(--muted);margin-top:24px}.worksheet .button{margin-top:32px}.worksheet-copy>.file-note{font-size:10px!important;margin-top:12px!important}.sheet-preview{background:#eef1e6;color:#141a14;padding:32px;transform:rotate(-2deg);box-shadow:12px 12px 0 #26311b;clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%)}.sheet-top{font-family:var(--mono);font-size:10px;display:flex;justify-content:space-between;border-bottom:1px solid #8c9985;padding-bottom:12px;margin-bottom:16px}.sheet-top span:last-child{font-size:22px}.sheet-preview h3{font-size:20px;font-weight:700}.sheet-preview dl{margin:24px 0}.sheet-preview dl>div{border-bottom:1px solid #bec6b6;padding:12px 0}.sheet-preview dt{font-size:10px;color:#4d5947}.sheet-preview dd{font-size:12px;margin:4px 0 0}.sheet-preview>p{font-size:9px;color:#4d5947}.barcode{height:24px;width:100px;margin-top:16px;background:repeating-linear-gradient(90deg,#19211a 0 2px,transparent 2px 5px,#19211a 5px 6px,transparent 6px 10px)}.sheet-full{grid-column:1/-1;border-top:1px solid var(--line);margin-top:16px}.sheet-full summary{cursor:pointer;padding:20px 0;font-size:13px;display:flex;justify-content:space-between;align-items:center}.sheet-full summary span{color:var(--acid);font-size:20px}.sheet-full pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--sans);font-size:14px;line-height:2;background:var(--panel);padding:32px;color:var(--ink)}.about{display:grid;grid-template-columns:1fr 2fr;gap:80px}.about h2{font-size:30px;line-height:1.5;font-weight:500;letter-spacing:-.04em;margin-bottom:24px}.about p:not(.eyebrow){font-size:14px;line-height:2;max-width:700px;color:var(--muted)}.about .course-note{border-left:2px solid var(--cyan);padding-left:20px;margin-top:24px;font-size:12px!important}.site-foot{border-top:1px solid var(--line);padding:40px 48px 24px;max-width:1600px;margin:auto}.footer-top{display:flex;justify-content:space-between;gap:32px;align-items:center}.footer-top .brand{display:block}.footer-top p{font-size:18px;font-weight:400}.footer-top>a:last-child{font-size:12px;min-height:44px;display:flex;align-items:center}.footer-bottom{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding-top:20px;margin-top:32px;font-size:9px;color:var(--muted)}
.article-heading{max-width:1120px;padding-top:56px;padding-bottom:48px}.back-link{font-size:12px;color:var(--muted);display:inline-flex;align-items:center;min-height:44px}.article-kicker{display:flex;gap:24px;font-size:11px;color:var(--muted);margin-top:32px}.article-kicker span:first-child{color:var(--acid)}.article-heading h1{font-size:clamp(28px,3.4vw,48px);line-height:1.55;letter-spacing:-.04em;margin-block:20px 24px;font-weight:600;max-width:960px}.article-heading>p{max-width:720px;font-size:16px;line-height:1.9;color:var(--muted)}.article-body{max-width:1120px;display:grid;grid-template-columns:240px minmax(0,700px);gap:64px;padding-top:0;align-items:start}.toc{position:sticky;top:32px;border-top:2px solid var(--cyan);padding-top:20px}.toc>p{font-size:12px;color:var(--cyan);font-weight:600}.toc ol{list-style:none;padding:0;margin:16px 0 0;counter-reset:toc}.toc li{counter-increment:toc;border-bottom:1px solid var(--line)}.toc li a{display:block;font-size:12px;color:var(--muted);line-height:1.8;padding:14px 0}.toc li a:before{content:counter(toc,decimal-leading-zero) " / ";font-family:var(--mono);color:var(--cyan);font-size:10px}.toc a:hover{color:var(--acid)}.toc-sheet{font-size:11px;display:block;color:var(--acid);padding:20px 0}.prose{font-size:17px;line-height:2;color:#d8dee5;min-width:0}.prose>p{margin-bottom:40px}.prose .article-intro{font-size:19px;color:var(--ink);line-height:2}.prose section{margin-top:48px;border-top:1px solid var(--line);padding-top:32px}.prose h2{font-size:24px;font-weight:600;line-height:1.65;color:var(--ink);letter-spacing:-.02em;margin-bottom:24px}.prose p+p{margin-top:24px}.prose ul,.prose ol{padding-left:24px;margin:24px 0}.prose li{padding:4px 0}.prose li::marker{color:var(--cyan)}.prose blockquote{margin:24px 0;border-left:2px solid var(--acid);padding:24px;background:var(--panel);font-size:15px}.prose strong{color:var(--ink)}.article-action{background:var(--panel);border:1px solid var(--line);padding:32px;margin-top:56px}.article-action h2{margin-top:12px;font-size:22px}.article-action p{font-size:14px}.article-action .button{margin-top:24px}.related{max-width:1120px;border-top:1px solid var(--line);padding-top:48px}.related h2{font-size:26px;line-height:1.6;font-weight:500;margin-top:12px}.related>div{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}.related a{border:1px solid var(--line);padding:24px;background:var(--panel)}.related a:hover{border-color:var(--acid)}.related small{display:block;color:var(--cyan);font-size:10px;margin-bottom:8px}.related a span{font-size:15px;line-height:1.8}
@media(min-width:1700px){.hero-image{height:500px}.hero-copy h1{font-size:54px}.hero-sign{font-size:96px}.card-art{height:240px}}
@media(max-width:1100px){.site-head{padding:20px 32px;gap:20px}.site-head nav{gap:16px}.site-head nav a{font-size:10px}.head-cta{gap:12px;font-size:10px;padding:10px}.brand{font-size:19px}.hero{padding-inline:32px}.hero-layout{gap:28px}.hero-copy h1{font-size:32px}.hero-desc{font-size:13px}.hero-image{height:400px}.hero-sign{font-size:64px}.hero-actions{gap:12px}.hero .button{font-size:11px;padding-inline:16px}.topic-strip{padding-inline:32px;font-size:10px;gap:12px}.topic-strip a{padding-left:12px}.section{width:calc(100% - 64px);padding-block:72px}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 24px}.card-art{height:240px}.section-heading h2{font-size:28px}.section-heading>p{font-size:12px}.worksheet{gap:40px}.worksheet h2{font-size:28px}.sheet-preview{padding:24px}.article-body{grid-template-columns:200px minmax(0,1fr);gap:40px}.prose{font-size:16px}}
@media(max-width:800px){.site-head{flex-wrap:wrap;row-gap:16px}.site-head nav{order:3;width:100%;justify-content:space-between;border-top:1px solid var(--line);padding-top:8px}.site-head nav a{font-size:12px}.hero-layout{grid-template-columns:1fr 1fr;gap:24px}.hero-copy h1{font-size:27px}.hero-desc{font-size:12px}.hero-copy>.eyebrow{font-size:10px}.hero-image{height:365px}.hero-sign{display:none}.hero .button{width:100%;font-size:10px;padding-inline:12px;gap:12px}.hero-rail>span:last-child{display:none}.hero-small{font-size:10px}.hero-visual .visual-top{font-size:7px;padding-inline:12px}.visual-title{font-size:34px;left:24px}.hero-visual figcaption{padding-inline:12px;font-size:8px}.visual-timeline{padding-inline:12px;gap:4px;font-size:7px}.topic-strip{grid-template-columns:1fr 1fr}.topic-strip>span{display:flex;align-items:center}.section-heading{align-items:flex-start;flex-direction:column;gap:20px}.section-heading>p br{display:none}.steps{grid-template-columns:1fr 1fr;gap:40px 0}.steps li:nth-child(3){padding-left:0}.steps li:nth-child(2){border:0}.worksheet{grid-template-columns:1fr;gap:40px}.sheet-preview{width:min(440px,calc(100% - 16px));justify-self:center;transform:rotate(-1deg)}.about{grid-template-columns:1fr;gap:24px}.footer-top{flex-wrap:wrap}.footer-top p{font-size:14px}.footer-bottom{flex-direction:column;gap:8px}.article-body{grid-template-columns:1fr;gap:32px}.toc{position:static}.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.prose{max-width:700px}.related>div{grid-template-columns:1fr}.article-heading{padding-top:32px}.article-body{padding-top:0}}
@media(max-width:600px){.site-head{padding:20px 24px 8px}.brand{font-size:18px;gap:8px}.brand-mark{font-size:28px}.brand small{font-size:7px}.head-cta{font-size:9px;padding:8px 10px;gap:10px;min-height:44px}.site-head nav a{font-size:10px;min-height:44px}.hero{padding:20px 24px 32px}.hero-rail{font-size:8px;padding-bottom:28px}.hero-layout{grid-template-columns:1fr;gap:32px}.hero-copy>.eyebrow{font-size:11px;margin-bottom:16px}.hero-copy h1{font-size:clamp(27px,7.6vw,43px);letter-spacing:-.055em}.hero-desc{font-size:14px;line-height:1.95;margin-top:20px}.hero-actions{margin-top:24px;gap:8px}.hero .button{width:auto;font-size:12px;padding:12px 20px}.hero-small{margin-top:12px;font-size:10px}.hero-visual .visual-top{font-size:8px;padding-inline:16px}.hero-image{height:330px}.visual-title{font-size:40px}.hero-visual figcaption{padding-inline:16px;font-size:8px}.visual-timeline{font-size:8px;padding-inline:16px}.topic-strip{grid-template-columns:1fr;padding:20px 24px;gap:0}.topic-strip>span{font-size:11px;margin-bottom:8px}.topic-strip a{font-size:12px;min-height:48px;padding:12px 0;border-left:0;border-top:1px solid var(--line)}.section{width:calc(100% - 48px);padding-block:56px}.section-heading{margin-bottom:24px}.section-heading h2{font-size:27px;margin-top:12px}.section-heading>p{font-size:13px}.filter-bar{align-items:flex-start;flex-direction:column;gap:0}.filter-bar>div{gap:12px}.filter-bar button{font-size:11px;padding-inline:0}.filter-bar>span{padding-block:8px}.guide-grid{grid-template-columns:1fr;gap:32px}.card-art{height:230px}.guide-card h3{font-size:20px}.guide-card p{font-size:13px}.card-meta{font-size:11px}.graphic-work>span{font-size:48px}.graphic-work>i{font-size:90px}.graphic-edit{padding:48px 24px 24px;grid-template-rows:48px 32px}.focus-ring{width:128px;height:128px}.steps{gap:32px 0;margin-top:32px}.steps li{padding-inline:16px}.steps h3{font-size:15px}.steps p{font-size:11px}.step-number{font-size:32px}.step-link{font-size:10px}.worksheet h2{font-size:27px}.worksheet-copy>p:not(.eyebrow){font-size:13px}.worksheet-copy>p br{display:none}.worksheet .button{font-size:12px;padding-inline:18px}.sheet-preview h3{font-size:19px}.sheet-full pre{padding:20px 16px;font-size:13px}.about h2{font-size:27px}.about p:not(.eyebrow){font-size:14px}.site-foot{padding:32px 24px 24px}.footer-top{gap:24px}.footer-top p{width:100%;order:3}.footer-top>a:last-child{margin-left:auto}.footer-bottom{font-size:8px}.article-heading{padding-top:24px;padding-bottom:32px}.article-heading h1{font-size:28px;line-height:1.65}.article-heading>p{font-size:14px}.article-kicker{margin-top:20px}.article-body{padding-top:0}.toc ol{grid-template-columns:1fr}.toc li a{font-size:12px}.prose{font-size:16px;line-height:1.95}.prose .article-intro{font-size:17px}.prose h2{font-size:22px}.prose section{margin-top:32px;padding-top:24px}.prose blockquote{padding:20px;font-size:14px}.article-action{padding:24px}.article-action .button{font-size:11px;padding-inline:16px}.related h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.primary:hover,.guide-card:hover .card-art img{transform:none}}

/* Editorial revision: let the photograph carry the atmosphere. */
:root{--bg:#121314;--panel:#1d1f20;--ink:#f4f4f0;--muted:#c1c2be;--line:#3b3d3c;--acid:#d9ed89;--cyan:#c1c2be}
body{line-height:1.8}.brand-mark,.brand small,.hero-rail,.hero-sign,.visual-top,.viewfinder,.visual-side,.visual-title,.visual-timeline,.hero-image:after,.art-index,.barcode{display:none}.site-head{padding-block:24px;max-width:1440px}.brand{font-size:25px;letter-spacing:-.04em}.site-head nav a,.head-cta{font-size:14px}.head-cta{border:0;padding:12px 0;color:var(--ink)}.head-cta span{display:none}.site-head nav a:hover,.quiet-link:hover{color:white;text-decoration:underline;text-underline-offset:6px}
.hero{max-width:1440px;padding-top:56px;padding-bottom:56px;background:none}.hero-layout{grid-template-columns:1fr 1.25fr;gap:56px;align-items:center}.hero-copy>.eyebrow{font-size:14px;letter-spacing:0;margin-bottom:24px}.hero-copy h1{font-size:clamp(30px,3.2vw,46px);line-height:1.5;letter-spacing:-.045em}.hero-copy h1 strong{font-size:1em;font-weight:600;color:var(--ink)}.hero-desc{font-size:17px;line-height:1.9;margin-top:24px;color:var(--muted)}.hero-desc br{display:none}.hero-visual{border:0!important;clip-path:none!important;background:none!important}.hero-image{height:480px}.hero-image img{object-position:58% center}.hero-visual figcaption{padding:10px 0 0;font-family:var(--sans);font-size:12px;color:#a4a5a1}.hero-visual figcaption span:last-child{display:none}.button{clip-path:none;border-radius:3px;min-height:52px;font-size:15px;padding:14px 20px}.button span{font-size:18px}.primary{background:#f0f1e9;color:#151616}.primary:hover{background:#d9ed89;transform:none}.quiet-link{font-size:14px}.hero-small{font-size:13px;margin-top:20px}.hero-actions{margin-top:28px}.topic-strip{display:none}
.section{padding-block:72px}.eyebrow{font-family:var(--sans);letter-spacing:0;font-size:14px;color:var(--muted)}.section-heading h2{font-size:32px;line-height:1.5}.section-heading>p{font-size:16px}.filter-bar button{font-size:15px}.filter-bar>span{font-size:13px}.guide-card h3{font-size:22px;line-height:1.55}.guide-card p{font-size:15px;line-height:1.8}.card-meta{font-size:13px}.card-meta span:first-child{color:var(--muted)}.guide-card h3>span{display:none}.card-art{border:0}.steps h3{font-size:19px}.steps p{font-size:15px;line-height:1.8}.step-link{font-size:14px}.step-number{color:var(--muted);font-size:28px}.step-line:before,.worksheet:before{display:none}.worksheet{background:none;border-color:var(--line)}.worksheet h2 strong{color:var(--ink)}.worksheet-copy>p:not(.eyebrow){font-size:16px;line-height:1.8}.sheet-preview{transform:none;box-shadow:none;clip-path:none}.sheet-preview dt{font-size:13px}.sheet-preview dd{font-size:15px}.sheet-preview>p,.sheet-top{font-size:12px}.about p:not(.eyebrow){font-size:16px}.about .course-note{font-size:15px!important}.sheet-full summary{font-size:15px}.article-kicker,.back-link,.toc>p,.toc li a,.toc-sheet{font-size:14px}.related small{font-size:13px}.footer-bottom{font-size:12px}
@media(max-width:1100px){.hero-layout{gap:32px}.hero-copy h1{font-size:32px}.hero-desc{font-size:16px}.hero-image{height:420px}.hero .button{font-size:14px}.site-head nav a{font-size:14px}}
@media(max-width:800px){.hero-layout{grid-template-columns:1fr}.hero-copy{max-width:580px}.hero-copy h1{font-size:40px}.hero-copy>.eyebrow{font-size:14px}.hero .button{width:auto}.hero-image{height:400px}.hero-visual figcaption{font-size:12px;padding-inline:0}.head-cta{font-size:13px}.site-head nav a{font-size:13px}}
@media(max-width:600px){.site-head{padding:20px 24px 8px}.brand{font-size:21px}.hero{padding-top:32px;padding-bottom:32px}.hero-layout{gap:32px}.hero-copy h1{font-size:29px;white-space:normal}.hero-desc{font-size:16px}.hero-copy>.eyebrow{font-size:13px;margin-bottom:16px}.hero .button{font-size:14px}.hero-image{height:300px}.hero-small{font-size:12px}.hero-visual figcaption{font-size:11px}.section{padding-block:48px}.section-heading h2{font-size:26px}.section-heading>p{font-size:15px}.filter-bar button{font-size:13px}.filter-bar>div{gap:16px}.guide-card h3{font-size:22px}.guide-card p{font-size:15px}.steps{grid-template-columns:1fr;gap:28px}.steps li{padding:0;border:0}.steps h3{font-size:20px}.steps p{font-size:15px}.step-link{font-size:14px;margin-top:12px}.step-line{margin-block:16px}.worksheet-copy>p:not(.eyebrow){font-size:15px}.about h2{font-size:26px}.about p:not(.eyebrow){font-size:16px}.footer-bottom{font-size:11px}}

/* No.12: bold rounded category rhythm. DENSO: immersive scale and light type. */
.media-home>.site-head{position:absolute;z-index:5;top:0;left:0;right:0;max-width:none;border:0;padding:32px 4%;color:white}.media-home .head-cta{background:#f4f4ef;color:#191919;border-radius:100px;padding:14px 24px}.media-home .brand{font-size:26px}.immersive-hero{height:min(900px,100svh);min-height:660px;position:relative;isolation:isolate;background:#121719;overflow:hidden}.immersive-photo{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;object-position:60% 50%;z-index:-2}.immersive-hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(0,0,0,.68),rgba(0,0,0,.08) 75%),linear-gradient(0deg,rgba(0,0,0,.25),transparent 60%,rgba(0,0,0,.28))}.immersive-copy{position:absolute;left:10%;bottom:12%;color:white}.immersive-copy>p{font-size:14px;letter-spacing:.04em;margin-bottom:32px}.immersive-copy h1{font-size:clamp(64px,7.3vw,124px);line-height:1.3;font-weight:300;letter-spacing:-.05em}.immersive-link{display:flex;width:fit-content;align-items:center;gap:40px;font-size:20px;margin-top:36px}.immersive-link span{border:1px solid #ffffff80;border-radius:50%;height:48px;width:48px;display:grid;place-items:center;transition:background .25s}.immersive-link:hover span{background:#ffffff30}.discovery{padding:96px max(48px,calc((100vw - 1360px)/2));background:#efeee8;color:#202221}.discovery-intro{display:flex;justify-content:space-between;align-items:center;gap:48px;margin-bottom:56px}.discovery-intro h2{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-size:48px;line-height:1.5;font-weight:400;letter-spacing:-.06em}.discovery-intro p{font-size:17px;line-height:2}.discovery-links{display:grid;gap:12px}.discovery-links a{border-radius:100px;background:#c4c6ec;display:flex;align-items:center;padding:18px 36px;gap:40px;min-height:90px;transition:transform .25s}.discovery-links a:nth-child(2){background:#c6d79f;margin-left:9%}.discovery-links a:nth-child(3){background:#ecc4b3;margin-left:18%}.discovery-links span{font-size:32px;min-width:120px;font-weight:500}.discovery-links small{font-size:16px}.discovery-links b{margin-left:auto;font-size:28px;font-weight:400}.discovery-links a:hover{transform:translateX(-8px)}.media-home .guides{padding-top:96px}.media-home .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:56px 32px}.media-home .card-art{height:320px;border-radius:16px}.media-home .guide-card h3{font-size:25px}.media-home .filter-bar button{border-radius:100px;padding:10px 18px;border:1px solid var(--line);margin-bottom:16px}.media-home .filter-bar button[aria-pressed=true]{background:#f1f1eb;color:#171717}.media-home .filter-bar{border:0}.media-home .filter-bar>div{gap:8px}.media-home .sheet-preview{border-radius:16px}.media-home .button{border-radius:100px}.media-home .primary:hover{transform:none}
@media(min-width:1700px){.immersive-copy{left:max(10%,calc((100vw - 1360px)/2))}}
@media(max-width:800px){.media-home>.site-head{padding:24px 32px}.media-home .site-head nav{border-color:#ffffff40}.immersive-copy{left:7%;bottom:10%}.immersive-copy h1{font-size:72px}.discovery{padding:64px 32px}.discovery-intro{align-items:flex-start;flex-direction:column;gap:24px}.discovery-intro h2{font-size:40px}.discovery-links a{gap:20px;padding:20px 28px}.media-home .card-art{height:240px}}
@media(max-width:600px){.media-home>.site-head{padding:20px 24px}.media-home .brand{font-size:20px}.media-home .head-cta{font-size:12px;padding:12px 16px}.media-home .site-head nav{display:none}.immersive-hero{height:88svh;min-height:580px;max-height:760px}.immersive-photo{object-position:61% center}.immersive-copy{left:24px;right:24px;bottom:12%}.immersive-copy>p{font-size:12px;letter-spacing:0;margin-bottom:24px}.immersive-copy h1{font-size:clamp(46px,12vw,68px);line-height:1.4}.immersive-link{font-size:16px;gap:24px;margin-top:24px}.discovery{padding:48px 24px}.discovery-intro{margin-bottom:32px}.discovery-intro h2{font-size:34px}.discovery-intro p{font-size:15px;line-height:1.9}.discovery-links a,.discovery-links a:nth-child(2),.discovery-links a:nth-child(3){margin-left:0;padding:16px 20px;gap:16px;min-height:72px}.discovery-links span{font-size:25px;min-width:80px}.discovery-links small{font-size:13px}.discovery-links b{font-size:22px}.media-home .guides{padding-top:48px}.media-home .guide-grid{grid-template-columns:1fr;gap:40px}.media-home .guide-card h3{font-size:22px}.media-home .card-art{height:240px}.media-home .filter-bar button{font-size:13px;padding:10px 14px;margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){.discovery-links a:hover{transform:none}}

/* IZANAMI reference: quieter serif typography, negative space and overlapping imagery. */
.media-home .brand{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:500;font-size:23px;letter-spacing:.04em}.immersive-copy{left:12%;bottom:27%}.immersive-copy>p{font-size:13px;margin-bottom:28px}.immersive-copy h1{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:400;font-size:clamp(48px,5.3vw,80px);line-height:1.6;letter-spacing:.07em}.immersive-link{font-size:15px;gap:32px;margin-top:28px}.immersive-link span{width:40px;height:40px}.immersive-photo{animation:scene-arrive 1.4s ease-out both}.immersive-copy{animation:copy-arrive 1s ease-out both}.discovery{position:relative;background:#e8e7df;padding-top:160px;padding-bottom:104px}.discovery-intro{padding:0 5% 40px;align-items:flex-start}.discovery-intro h2{font-size:44px;line-height:1.7;letter-spacing:.03em}.discovery-intro p{padding-top:16px;line-height:2.1}.discovery-links{margin-inline:5%}.discovery-links a{background:#cccddd}.discovery-links a:nth-child(2){background:#ccd2b9}.discovery-links a:nth-child(3){background:#d9c8bd}.discovery-links span{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:400}.media-home .section-heading h2,.media-home .about h2{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:400;line-height:1.65}.media-home .guide-card:nth-child(even){padding-top:64px}.media-home .card-art{border-radius:0}.media-home .guides{padding-bottom:112px}
@keyframes scene-arrive{from{transform:scale(1.035)}to{transform:scale(1)}}@keyframes copy-arrive{from{opacity:.5;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:800px){.immersive-copy{left:8%;bottom:25%}.discovery-intro{padding-inline:0}.discovery-links{margin-inline:0}.discovery{padding-top:144px}.discovery-intro h2{font-size:36px}}
@media(max-width:600px){.media-home .brand{font-size:19px;letter-spacing:0}.media-home>.site-head{gap:12px}.media-home .head-cta{font-size:11px;padding:10px 16px}.immersive-copy{left:24px;right:24px;bottom:24%}.immersive-copy>p{font-size:11px;margin-bottom:20px}.immersive-copy h1{font-size:38px;letter-spacing:.03em;line-height:1.75}.immersive-link{font-size:14px;gap:20px}.discovery{padding-top:72px;padding-bottom:56px}.discovery-intro{padding:0;margin-bottom:32px}.discovery-intro h2{font-size:32px}.discovery-intro p{padding:0;font-size:15px}.media-home .guide-card:nth-child(even){padding-top:0}.media-home .guides{padding-bottom:56px}}
@media(prefers-reduced-motion:reduce){.immersive-photo,.immersive-copy{animation:none}}

/* Layout audit fixes: credit clearance, predictable filtered grids and touch targets. */
.media-home .guide-card:nth-child(even){padding-top:0}.site-head .brand,.footer-top .brand{min-height:44px;display:flex;align-items:center}.site-head nav a,.back-link,.quiet-link{min-height:44px}.filter-bar button{min-height:44px}.immersive-link{min-height:48px}.immersive-link span{width:44px;height:44px}.related a{min-width:0}.prose{overflow-wrap:break-word}
@media(max-width:600px){.media-home>.site-head{display:grid;grid-template-columns:1fr;padding:16px 24px;gap:8px}.media-home .head-cta{justify-self:start;min-height:44px}.media-home .brand{font-size:19px}.site-head nav a{font-size:12px}.worksheet-copy>.file-note{font-size:12px!important}}
.article-heading{padding-bottom:48px}.article-body{padding-top:0}.article-heading h1{text-wrap:balance}.article-page .brand{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:500;font-size:23px;letter-spacing:.04em}
@media(max-width:600px){.article-heading{padding-bottom:32px}.article-page .brand{font-size:19px;letter-spacing:0}.article-heading h1{font-size:26px}}

/* TATAP reference: substantial cards, strong editorial headings, selective lime actions. */
.media-home .guides .section-heading h2{font-family:var(--sans);font-weight:700;font-size:40px;line-height:1.45;letter-spacing:-.045em}.media-home .guides .section-heading .eyebrow{color:#d9ed89;font-weight:600}.media-home .guide-grid{gap:32px}.media-home .guide-card{background:#1c1e1e;border:1px solid #363939;border-radius:22px;overflow:hidden;transition:border-color .25s,transform .25s}.media-home .guide-card a{padding:14px 14px 28px}.media-home .card-art{border-radius:12px;height:320px}.media-home .card-meta{margin:24px 14px 14px;align-items:center;gap:16px}.media-home .card-meta span:first-child{border:1px solid #757f54;border-radius:100px;padding:4px 12px;color:#d9ed89}.media-home .guide-card h3{margin-inline:14px;font-size:24px;line-height:1.6}.media-home .guide-card h3>span{display:grid;place-items:center;flex:0 0 42px;height:42px;border:1px solid #6e7561;border-radius:50%;font-size:20px;color:#d9ed89}.media-home .guide-card p{margin:16px 14px 0;font-size:16px;line-height:1.8}.media-home .guide-card:hover{border-color:#a4b76b;transform:translateY(-4px)}.media-home .guide-card:hover h3{color:var(--ink)}.media-home .filter-bar button[aria-pressed=true]{background:#d9ed89;color:#151715;border-color:#d9ed89}.media-home .worksheet .button{background:#d9ed89;color:#171917;font-size:16px;min-height:60px;padding:16px 28px}.media-home .worksheet .button:hover{background:#e8f5ba}.media-home .worksheet .button span{display:grid;place-items:center;width:28px;height:28px;border:1px solid #73814b;border-radius:50%;font-size:17px}.media-home .worksheet h2{font-family:var(--sans);font-weight:650}.media-home .worksheet{padding-block:96px}
@media(max-width:800px){.media-home .guides .section-heading h2{font-size:34px}.media-home .card-art{height:240px}.media-home .guide-card h3{font-size:21px}.media-home .guide-card p{font-size:15px}.media-home .guide-grid{gap:24px}}
@media(max-width:600px){.media-home .guides .section-heading h2{font-size:27px}.media-home .guide-card{border-radius:18px}.media-home .guide-card a{padding:10px 10px 24px}.media-home .card-art{height:220px}.media-home .guide-card h3{font-size:21px;margin-inline:10px;gap:12px}.media-home .guide-card p{margin-inline:10px}.media-home .card-meta{margin-inline:10px;font-size:12px}.media-home .guide-card h3>span{flex-basis:36px;height:36px}.media-home .worksheet{padding-block:56px}.media-home .worksheet .button{font-size:14px;padding:14px 20px;gap:16px}}
@media(prefers-reduced-motion:reduce){.media-home .guide-card:hover{transform:none}}

/* Thirty-guide library: quiet text cards and a searchable index. */
.article-search { display:grid; gap:12px; max-width:620px; margin:36px 0 24px; }
.article-search[hidden], .guide-card[hidden], #empty-results[hidden], #load-guides[hidden] { display:none!important; }
.article-search label { font-size:14px; color:#d3d5cb; }
.article-search input { width:100%; box-sizing:border-box; padding:17px 22px; border:1px solid #60665f; border-radius:12px; background:#202620; color:#fff; font:inherit; min-height:54px; }
.article-search input::placeholder { color:#a8afa5; }
.article-search input:focus-visible,.load-guides:focus-visible { outline:3px solid #d9f48c; outline-offset:4px; }
.media-home .guide-card.compact-guide { margin-top:0; }
.media-home .guide-card.compact-guide>a { min-height:235px; padding:30px; display:flex; flex-direction:column; }
.media-home .compact-guide .card-meta { margin-top:0; }
.media-home .compact-guide h3 { font-size:clamp(21px,2vw,28px); line-height:1.65; }
.media-home .compact-guide p { margin-bottom:0; }
.load-guides { display:block; margin:42px auto 0; padding:18px 32px; min-height:54px; border:1px solid #d9f48c; border-radius:999px; background:transparent; color:#e9f7c7; font:inherit; cursor:pointer; }
.load-guides:hover { background:#d9f48c; color:#172015; }
#empty-results { padding:30px 0; line-height:1.9; }
@media(max-width:600px) { .media-home .guide-card.compact-guide>a { min-height:0; padding:24px; } .article-search { margin-top:24px; } }

.media-home .guides[data-filtered="true"] .card-art { display:none; }
.media-home .guides[data-filtered="true"] .guide-card>a { min-height:235px; padding:30px; }
.media-home .guides[data-filtered="true"] .card-meta { margin-top:0; }
@media(max-width:600px) { .media-home .guides[data-filtered="true"] .guide-card>a { min-height:0; padding:24px; } }

/* Intro spacing after removing the overlapping detail image. */
.discovery{padding-top:96px}
@media(max-width:800px){.discovery{padding-top:72px}}
@media(max-width:600px){.discovery{padding-top:48px}}

/* Nakamura / BEATUS / Soba House: editorial spacing below the preserved hero. */
.media-home .discovery{background:#e8e7df;padding-top:112px;padding-bottom:112px}
.media-home .discovery-intro{max-width:1120px;margin:0 auto 72px;padding:0;gap:72px;align-items:center}
.media-home .discovery-intro h2{font-size:clamp(32px,3.6vw,52px);line-height:1.7;letter-spacing:.07em;flex:1}
.media-home .discovery-intro p{padding:0;font-size:16px;line-height:2.2;flex:1;max-width:440px}
.media-home .discovery-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:0 auto;max-width:1120px;border-top:1px solid #b6b7af;border-bottom:1px solid #b6b7af;counter-reset:chapter}
.media-home .discovery-links a,.media-home .discovery-links a:nth-child(2),.media-home .discovery-links a:nth-child(3){position:relative;counter-increment:chapter;margin:0;border-radius:0;background:transparent;min-height:216px;padding:32px;display:flex;align-items:flex-start;justify-content:center;flex-direction:column;gap:16px;transition:background .3s ease}
.media-home .discovery-links a+a{border-left:1px solid #b6b7af}
.media-home .discovery-links a:before{content:'0' counter(chapter);font-family:Georgia,serif;font-size:13px;color:#55594e;letter-spacing:.12em}
.media-home .discovery-links span{font-size:36px;letter-spacing:.1em;min-width:0}
.media-home .discovery-links small{font-size:14px;color:#4e534a}
.media-home .discovery-links b{position:absolute;right:28px;bottom:32px;border:1px solid #93978b;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;font-size:20px}
.media-home .discovery-links a:hover{transform:none;background:#dcded3}
.media-home .guides>.section-heading h2{font-family:'Hiragino Mincho ProN','Yu Mincho',serif;font-weight:400;letter-spacing:.04em;line-height:1.65}
.media-home .guides{padding-top:112px}
@media(max-width:800px){.media-home .discovery{padding:80px 32px}.media-home .discovery-intro{gap:32px;margin-bottom:48px}.media-home .discovery-links a,.media-home .discovery-links a:nth-child(2),.media-home .discovery-links a:nth-child(3){padding:24px;min-height:208px}.media-home .discovery-links span{font-size:30px}.media-home .discovery-links b{right:20px;bottom:24px}}
@media(max-width:600px){.media-home .discovery{padding:64px 24px}.media-home .discovery-intro{display:block;margin-bottom:40px}.media-home .discovery-intro p{margin-top:24px;font-size:15px;line-height:2}.media-home .discovery-links{grid-template-columns:1fr}.media-home .discovery-links a,.media-home .discovery-links a:nth-child(2),.media-home .discovery-links a:nth-child(3){display:grid;grid-template-columns:24px 1fr 40px;gap:8px 16px;padding:24px 0;min-height:112px;align-content:center;align-items:center}.media-home .discovery-links a+a{border-left:0;border-top:1px solid #b6b7af}.media-home .discovery-links a:before{grid-row:1 / 3}.media-home .discovery-links span{font-size:28px}.media-home .discovery-links small{grid-column:2;font-size:13px}.media-home .discovery-links b{position:static;grid-column:3;grid-row:1 / 3}.media-home .guides{padding-top:64px}}