/* Story motion uses direct transform/opacity writes; layout and reading order stay native. */
.home-snippets{background:var(--bg);color:var(--ink);padding-block:88px}.snippet-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:end;margin-bottom:42px}.snippet-intro h2{font-size:42px;line-height:1.12}.snippet-intro p{max-width:38ch;font-size:18px}.snippet-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.snippet{display:block;border-top:1px solid var(--line);padding-top:24px}.snippet h3{font-size:25px;margin-top:24px}.snippet p{margin:12px 0 18px;max-width:44ch}.snippet-art{height:185px;background:var(--paper);position:relative;overflow:hidden}.folder-art span{position:absolute;left:calc(23% + var(--i)*12%);top:calc(36px + var(--i)*8px);width:34%;height:120px;border:1px solid var(--ink-faint);background:var(--bg);border-radius:8px 8px 3px 3px;transform:rotate(calc(-9deg + var(--i)*7deg))}.folder-art span:nth-child(1){--i:0}.folder-art span:nth-child(2){--i:1}.folder-art span:nth-child(3){--i:2}.folder-art span::before{content:'';position:absolute;top:26px;left:16%;width:65%;height:1px;background:var(--ink-faint);box-shadow:0 14px var(--line),0 28px var(--line)}.recall-art span{position:absolute;left:28%;top:20px;width:110px;height:145px;border:1px solid var(--line);border-radius:4px;background:var(--ink);color:var(--bg);font-size:80px;display:grid;place-items:center;transform:rotate(-12deg)}.recall-art span:last-child{left:48%;transform:rotate(12deg);background:var(--bg);color:var(--ink)}.home-snippets .text-link{text-decoration:underline;text-underline-offset:5px}body[data-route=index]{background:var(--bg)}body[data-route=index] .footer-name{color:var(--scene-ink)}body[data-route=index] .footer-main p,body[data-route=index] .footer-main a{color:var(--scene-muted)}body[data-route=index] .footer-main a:hover{color:var(--scene-ink)}.app-detail{display:grid;grid-template-columns:1.1fr 1fr;gap:100px;padding-block:88px;border-bottom:1px solid var(--line);align-items:center}.app-detail h2{font-size:42px;line-height:1.15;margin-block:18px}.app-detail p{font-size:17px;max-width:44ch;margin-bottom:20px}.app-materials{padding:40px 30px;background:var(--paper);perspective:800px}.app-materials>div{background:var(--bg);border:1px solid var(--line);padding:28px;margin-bottom:14px;transform:rotateY(-8deg);font-size:20px}.app-materials>div:nth-child(2){margin-left:16px}.app-materials>div:nth-child(3){margin-left:32px}.app-materials small{display:block;margin-top:24px;color:var(--ink-soft)}.large-price{font-size:72px!important;letter-spacing:-.05em;margin-top:24px}.assistant-detail{padding-block:64px}.program-hero{background:var(--world-bg);color:var(--world-ink);overflow:hidden}.program-cover{min-height:720px;display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:center}.program-heading{padding-block:40px;position:relative;z-index:1}.program-heading h1{font-size:clamp(44px,4.3vw,64px)!important;line-height:1.09;letter-spacing:-.04em}.program-heading>p{color:var(--world-soft);max-width:44ch;font-size:17px;line-height:1.7;margin-block:28px}.world-button{background:var(--world-ink);color:var(--world-bg)}.program-intro{display:flex;justify-content:space-between;gap:64px;align-items:end;padding-block:72px 40px}.program-intro h2{font-size:35px;max-width:20ch}.program-intro>p{max-width:37ch;font-size:17px}.study-world{position:relative;height:100%;min-height:410px;isolation:isolate;overflow:hidden;background:var(--world-bg);color:var(--world-ink);perspective:1100px}.hero-world{height:590px;overflow:visible}.world-orbit{position:absolute;border:1px solid var(--world-line);border-radius:50%;width:130%;height:80%;left:-15%;top:10%;transform:rotate(-25deg)}.orbit-front{transform:rotate(28deg);width:90%;height:120%;left:5%;top:-10%}.world-floor{position:absolute;left:-30%;right:-30%;height:60%;bottom:-26%;border:1px solid var(--world-line);border-radius:50%;background:var(--world-paper);transform:rotateX(68deg)}.world-papers{position:absolute;inset:0;transform-style:preserve-3d}.world-paper{position:absolute;left:17%;top:12%;width:66%;height:70%;background:var(--world-paper);border:1px solid var(--world-line);box-shadow:18px 26px 40px color-mix(in srgb,var(--world-bg) 65%,transparent);padding:24px;display:flex;flex-direction:column;backface-visibility:hidden;transform-origin:50% 80%}.world-paper .paper-index{font-size:12px;letter-spacing:.2em;color:var(--world-soft)}.world-paper svg{width:100%;height:65%;color:var(--world-accent);flex:1;min-height:0}.world-paper strong{font-size:23px;line-height:1.2;font-weight:500;margin-top:12px}.paper-rules{display:flex;flex-direction:column;gap:6px;margin-top:20px}.paper-rules i{height:1px;width:100%;background:var(--world-line)}.paper-rules i:last-child{width:55%}.paper-0{transform:translate(-25px,10px) rotate(-12deg) rotateY(-8deg);z-index:3}.paper-1{transform:translate(36px,22px) rotate(10deg) rotateY(-8deg);z-index:2}.paper-2{transform:translate(68px,34px) rotate(20deg) rotateY(-8deg);z-index:1}.hero-world .paper-0{transform:translate(-20px,12px) rotate(-14deg) rotateY(-15deg)}.hero-world .paper-1{transform:translate(44px,5px) rotate(8deg) rotateY(-15deg)}.hero-world .paper-2{transform:translate(93px,35px) rotate(24deg) rotateY(-15deg)}.world-caption{position:absolute;bottom:30px;left:20px;right:20px;text-align:center;font-size:11px;color:var(--world-soft)}.story{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:start;position:relative}.story-stage{position:sticky;top:28px;height:calc(100svh - 56px);max-height:760px;min-height:450px;align-self:start;background:var(--world-bg);overflow:hidden;border-radius:var(--radius-sm)}.story-stage>.study-world{height:calc(100% - 44px)}.story-chapter{min-height:86svh;display:flex;flex-direction:column;justify-content:center;align-items:start;padding:70px 0;scroll-margin-top:40px}.story-chapter h2{font-size:40px;line-height:1.16;margin:22px 0;max-width:19ch}.story-chapter p{font-size:17px;line-height:1.75;max-width:40ch}.story-chapter .text-link{margin-top:28px;text-decoration:underline;text-underline-offset:5px}.story-progress{height:44px;padding:0 26px 22px;display:flex;align-items:center;gap:12px;color:var(--world-soft);font-size:11px}.story-progress>div{height:1px;flex:1;background:var(--world-line);overflow:hidden}.story-progress i{display:block;width:100%;height:100%;background:var(--world-accent);transform:scaleX(.02);transform-origin:left}.program-access{display:grid;grid-template-columns:1.15fr 1fr;gap:90px;align-items:center;border-top:1px solid var(--line);padding-block:72px;margin-top:60px}.program-access h2{font-size:38px;margin-block:22px}.program-access p{font-size:16px;margin-top:18px;max-width:48ch}.access-actions{display:flex;align-items:start;flex-direction:column;gap:28px}.storage-policy{max-width:900px;padding-block:0 48px}.storage-policy h2{font-size:28px;margin:38px 0 18px}.storage-policy p{margin-bottom:16px}.storage-policy ul{padding-left:22px;line-height:1.8}.storage-policy .button{margin:16px 0}.storage-result{min-height:1.5em}.storage-policy a:not(.button){text-decoration:underline}.storage-settings{border:1px solid var(--line);padding:26px;margin-top:28px}.js .storage-reset{display:inline-flex}.storage-reset{display:none}
@media(hover:hover) and (pointer:fine){.snippet:hover h3{text-decoration:underline;text-underline-offset:5px}.world-button:hover{opacity:.9}}
@media(max-width:1100px){.program-cover{grid-template-columns:1.2fr 1fr;min-height:650px}.hero-world{height:490px}.world-paper{padding:20px}.story{gap:50px}.story-chapter h2{font-size:35px}.program-heading h1{font-size:48px!important}.program-heading p{font-size:16px}.app-detail{gap:50px}.program-access{gap:50px}}
@media(max-width:860px){.program-cover{grid-template-columns:1fr;gap:0}.program-heading{padding:32px 0 0}.program-heading p{max-width:48ch}.hero-world{height:460px;max-width:560px;width:100%;margin:auto;overflow:hidden}.program-intro{display:block;padding-block:44px 28px}.program-intro>p{margin-top:20px}.program-intro h2{font-size:30px}.story{display:block}.story-stage{height:34svh;min-height:245px;max-height:340px;top:0;z-index:2;border-radius:0}.story-stage .study-world{min-height:0;height:calc(100% - 28px)}.story-stage .world-paper{width:38%;height:81%;left:31%;top:6%;padding:12px}.story-stage .world-paper strong{font-size:15px;margin-top:0}.story-stage .world-paper svg{max-height:130px}.story-stage .paper-rules,.story-stage .world-caption{display:none}.story-stage .paper-index{font-size:9px}.story-progress{height:28px;padding:0 20px 12px}.story-chapter{min-height:67svh;scroll-margin-top:36svh;padding:36px 4px}.story-chapter h2{font-size:31px;max-width:21ch;margin-block:18px}.story-chapter p{font-size:16px}.program-access{grid-template-columns:1fr;gap:32px;padding-block:44px;margin-top:30px}.program-access h2{font-size:32px}.program-heading h1{font-size:44px!important}.home-snippets{padding-block:48px}.snippet-intro{grid-template-columns:1fr;gap:22px}.snippet-intro h2{font-size:34px}.snippet-grid{gap:26px}.snippet h3{font-size:23px}.snippet-art{height:170px}.app-detail{padding-block:48px;grid-template-columns:1fr;gap:32px}.app-detail h2{font-size:34px}.app-materials{padding:26px}.large-price{font-size:60px!important}}
@media(max-width:600px){.snippet-grid{grid-template-columns:1fr;gap:32px}.snippet-art{height:185px}.hero-world{height:380px}.program-heading h1{font-size:40px!important}.program-heading h1 br{display:none}.program-heading>p{font-size:16px;margin-block:24px}.world-paper strong{font-size:20px}.story-chapter h2{font-size:29px}.program-intro h2{font-size:29px}.story{padding-inline:var(--page-gutter)}.storage-policy h2{font-size:25px}.storage-settings{padding:20px}.app-materials>div{padding:20px;font-size:17px}}
@media(prefers-reduced-motion:reduce){.story-stage{position:relative;height:360px;min-height:0}.story-chapter{min-height:0;padding-block:40px;scroll-margin-top:20px}.story-stage .world-paper{transform:none!important;opacity:1!important;left:8%;width:38%;top:12%;height:70%}.story-stage .paper-1{left:32%;top:18%}.story-stage .paper-2{left:55%;top:25%}.story-stage .world-paper strong{font-size:15px}.story-progress{display:none}.story-stage>.study-world{height:100%}.world-papers{transform:none!important}}
html:not(.js) .story-stage{position:relative;height:440px}html:not(.js) .story-chapter{min-height:0;padding-block:40px}
.program-crumb{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--world-soft);margin-bottom:44px}.program-crumb a{text-decoration:underline;text-underline-offset:4px}@media(max-width:860px){.program-crumb{margin-bottom:32px}}

.chapter-nav{display:flex;gap:28px;flex-wrap:wrap;padding-block:0 28px;font-size:14px}.chapter-nav a{text-decoration:underline;text-underline-offset:5px}@media(max-width:600px){.chapter-nav{gap:16px;font-size:13px;padding-bottom:24px}}