.footer-store-badges[data-astro-cid-sz7xmlte]{--store-badge-height: 44px;display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:20px}@media(min-width:1121px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:minmax(260px,1.55fr) repeat(4,minmax(118px,.62fr));gap:clamp(24px,3vw,36px)}}@media(min-width:921px)and (max-width:1120px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:minmax(260px,1.4fr) repeat(2,minmax(150px,.8fr))}}.desktop-guide-nav[data-astro-cid-3ef6ksr2]{position:relative}.desktop-guide-nav[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]{display:inline-flex;min-height:48px;align-items:center;gap:7px;cursor:pointer;list-style:none}.desktop-guide-nav[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]::-webkit-details-marker{display:none}.desktop-guide-nav[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]:after{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;content:"";transform:translateY(-2px) rotate(45deg);transition:transform .16s ease}.desktop-guide-nav[data-astro-cid-3ef6ksr2][open] summary[data-astro-cid-3ef6ksr2]{color:var(--text-primary)}.desktop-guide-nav[data-astro-cid-3ef6ksr2][open] summary[data-astro-cid-3ef6ksr2]:after{transform:translateY(2px) rotate(225deg)}.desktop-guide-links[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + 6px);right:0;z-index:60;display:grid;min-width:250px;max-height:min(420px,calc(100vh - 104px));gap:4px;padding:10px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);box-shadow:0 16px 34px #24264a1f}.desktop-guide-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{min-height:44px;padding:10px 12px;border-radius:var(--radius-control);line-height:1.45}.desktop-guide-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:after{content:none}.desktop-guide-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{background:var(--background)}.mobile-nav-group[data-astro-cid-3ef6ksr2]{display:grid;gap:4px}.mobile-nav-group[data-astro-cid-3ef6ksr2]+.mobile-nav-group[data-astro-cid-3ef6ksr2]{margin-top:8px;padding-top:12px;border-top:1px solid var(--border)}.mobile-nav-heading[data-astro-cid-3ef6ksr2]{margin:0;padding:4px 12px;color:var(--text-secondary);font-size:.72rem;font-weight:800;letter-spacing:.06em}@media(max-width:920px){.mobile-nav[data-astro-cid-3ef6ksr2] nav[data-astro-cid-3ef6ksr2]{max-height:calc(100dvh - 84px);overflow-y:auto}}@font-face{font-family:LINE Seed JP;src:url(/_astro/LINESeedJP_Web_Rg.DnHz-pvC.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed JP;src:url(/_astro/LINESeedJP_Web_Bd.D9-wVWKd.ttf) format("truetype");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:LINE Seed JP;src:url(/_astro/LINESeedJP_Web_Eb.D0lYD3n-.ttf) format("truetype");font-weight:800;font-style:normal;font-display:swap}:root{color-scheme:light;--text-primary: #24264a;--text-secondary: #626580;--accent: #63a2ff;--accent-blue: #3d87e8;--accent-action: #276fbd;--accent-action-hover: #245f9e;--accent-periwinkle: #7586df;--accent-soft: rgba(99, 162, 255, .12);--background: #f5f9ff;--background-lavender: #f1f6ff;--surface: #ffffff;--border: #e4ecf7;--success: #6ed6b5;--success-text: #25755f;--warning: #d82727;--orange: #f09a23;--orange-deep: #e4771c;--course-rose: #e8667d;--course-orange: #e88752;--course-gold: #cc912e;--course-green: #8cb34d;--course-teal: #3ba3a3;--course-blue: #4087d9;--course-purple: #8a6bd6;--video-background: #1c2d45;--control-background: rgba(36, 38, 74, .08);--logo-hand: #ffd9bb;--logo-ray: #f9f871;--gradient-shuwa: linear-gradient( 135deg, #63a2ff 0%, #7586df 45%, #3d87e8 100% );--gradient-text: linear-gradient( 135deg, #3d87e8 0%, #7586df 52%, #3d87e8 100% );--radius-card: 8px;--radius-control: 8px;--radius-premium: 22px;--radius-pill: 999px;--space-xs: 6px;--space-sm: 10px;--space-md: 16px;--space-lg: 24px;--section-space: clamp(88px, 10vw, 144px);--font-hero: clamp(3.25rem, 7vw, 6.25rem);--font-h2: clamp(2.35rem, 5vw, 4.5rem);--font-h3: clamp(1.5rem, 2.4vw, 2rem);--shadow-premium: 0 10px 22px rgba(0, 0, 0, .12)}*,*:before,*:after{box-sizing:border-box}html{background:var(--surface);color:var(--text-primary);font-family:LINE Seed JP,-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;scroll-behavior:smooth;scroll-padding-top:88px}body{min-width:min(320px,100%);margin:0;overflow-x:hidden;background:var(--surface);color:var(--text-primary);font-size:16px;line-height:1.75;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}::selection{background:#63a2ff47;color:var(--text-primary)}img,svg,video{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,summary{font:inherit}:focus-visible{outline:3px solid var(--accent-blue);outline-offset:4px}.skip-link{position:fixed;top:10px;left:10px;z-index:100;padding:8px 12px;border-radius:var(--radius-control);background:var(--text-primary);color:var(--surface);font-weight:700;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.section-inner{width:min(1200px,calc(100% - 48px));margin-inline:auto}.section-white{background:var(--surface)}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.section-heading{max-width:720px}.section-heading h1,.section-heading h2,.learning-copy h2,.video-heading h2,.fingerspelling-copy h2,.pricing-copy h2,.final-cta h2,.info-panel h1{margin:0;color:var(--text-primary);font-size:var(--font-h2);font-weight:800;line-height:1.12;letter-spacing:-.035em}.section-lead,.section-heading>p:not(.section-kicker),.learning-copy>p:not(.section-kicker),.fingerspelling-copy>p:not(.section-kicker),.pricing-copy>p:not(.section-kicker),.info-panel>p{max-width:680px;margin:24px 0 0;color:var(--text-secondary);font-size:clamp(1.05rem,1.8vw,1.2rem);line-height:1.85}.section-kicker{display:inline-flex;min-height:34px;align-items:center;margin:0 0 18px;padding:4px 12px;border:1px solid rgba(99,162,255,.28);border-radius:var(--radius-control);background:var(--accent-soft);color:var(--text-primary);font-size:.82rem;font-weight:800;letter-spacing:.04em}.app-icon{position:relative;display:inline-block;flex:0 0 auto;overflow:hidden;border:1px solid rgba(36,38,74,.08);border-radius:22%;background:var(--accent)}.app-icon-small{width:42px;height:42px}.app-icon-medium{width:60px;height:60px}.app-icon-large{width:104px;height:104px}.app-icon img{position:absolute;inset:0;width:100%;height:100%}.screen-image{width:100%;height:auto}.site-header{position:sticky;top:0;z-index:50;display:flex;min-height:72px;align-items:center;gap:20px;padding:10px max(24px,calc((100vw - 1200px)/2));border-bottom:1px solid rgba(228,236,247,.9);background:#ffffffe6;backdrop-filter:blur(18px)}.brand,.footer-logo{display:inline-flex;min-height:48px;align-items:center;gap:10px;font-weight:800}.brand-text{white-space:nowrap;font-size:1.08rem}.desktop-nav{display:flex;align-items:center;gap:18px;margin-left:auto;color:var(--text-secondary);font-size:.88rem;font-weight:700}.desktop-nav a{position:relative;display:inline-flex;min-height:48px;align-items:center}.desktop-nav a:after{position:absolute;right:0;bottom:7px;left:0;height:2px;border-radius:2px;background:var(--accent);content:"";opacity:0;transform:scaleX(.5);transition:opacity .16s ease,transform .16s ease}.desktop-nav a:hover{color:var(--text-primary)}.desktop-nav a:hover:after{opacity:1;transform:scaleX(1)}.header-contact-link{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding-inline:20px;border-radius:var(--radius-pill);background:var(--accent-action);color:#fff;font-size:.9rem;font-weight:800;transition:background .16s ease,transform .16s ease}.header-contact-link:hover{background:var(--accent-action-hover);color:#fff;transform:translateY(-1px)}.mobile-nav{display:none;margin-left:auto}.mobile-nav summary{display:flex;width:48px;height:48px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:0;border-radius:var(--radius-control);background:var(--surface);cursor:pointer;list-style:none}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary span{width:20px;height:2px;border-radius:2px;background:var(--text-primary)}.mobile-nav nav{position:absolute;top:70px;right:16px;left:16px;display:grid;gap:4px;padding:12px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);box-shadow:0 16px 34px #24264a1f}.mobile-nav nav a{display:flex;min-height:48px;align-items:center;padding-inline:12px;border-radius:var(--radius-control);font-weight:700}.mobile-nav nav a:hover{background:var(--background)}.mobile-nav .mobile-contact-link{justify-content:center;margin-top:4px;background:var(--accent-action);color:#fff}.mobile-nav .mobile-contact-link:hover{background:var(--accent-action-hover);color:#fff}.hero{position:relative;overflow:hidden;padding:clamp(68px,8vw,116px) 0 38px;background:radial-gradient(circle at 88% 16%,rgba(99,162,255,.16),transparent 27%),linear-gradient(180deg,var(--background) 0%,var(--background) 84%,#ffffff 100%)}.hero:before{position:absolute;top:13%;right:-9vw;width:min(42vw,580px);aspect-ratio:1;border:1px solid rgba(99,162,255,.22);border-radius:50%;content:""}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.9fr) minmax(520px,1.1fr);align-items:center;gap:clamp(28px,5vw,80px)}.hero-copy{position:relative;z-index:3}.hero-copy h1{margin:0;color:var(--text-primary);font-size:var(--font-hero);font-weight:800;line-height:1.2;letter-spacing:-.055em}.hero-title-line{display:inline-block;white-space:nowrap}.hero-title-line-accent{color:var(--accent-blue)}.hero-title-character{display:inline-block;opacity:0;animation:hero-title-character-in .26s calc(var(--character-index) * 22ms) cubic-bezier(.22,1,.36,1) both}.hero-title-line-accent .hero-title-character{background-image:var(--gradient-text);background-position:var(--gradient-position) 50%;background-repeat:no-repeat;background-size:var(--gradient-width) 100%;-webkit-background-clip:text;background-clip:text;color:transparent}.hero-lead{max-width:600px;margin:30px 0 0;color:var(--text-primary);font-size:clamp(1.12rem,2vw,1.32rem);font-weight:700;line-height:1.78}.store-row{--store-badge-height: clamp(44px, 14vw, 54px);display:flex;align-items:center;gap:10px;margin-top:32px}.store-row.centered{justify-content:center}.store-badge-link{display:inline-flex;height:var(--store-badge-height, 48px);aspect-ratio:108.85157 / 40;align-items:center;justify-content:center;flex:0 0 auto;border-radius:9px;transition:transform .16s ease,filter .16s ease}.store-badge-link:hover{filter:drop-shadow(0 8px 14px rgba(36,38,74,.14));transform:translateY(-2px)}.store-badge-img{width:auto;height:100%}.google-play-badge{aspect-ratio:270 / 80}.hero-device-story{position:relative;min-height:720px}.hero-shot{position:absolute;bottom:0;filter:drop-shadow(0 24px 30px rgba(36,38,74,.14));transform-origin:50% 100%}.hero-shot-left{z-index:1;left:-2%;width:43%;transform:rotate(-5deg) translateY(28px);animation:hero-left-in .76s .18s cubic-bezier(.22,1,.36,1) both}.hero-shot-center{z-index:3;left:50%;width:52%;transform:translate(-50%);animation:hero-center-in .76s 80ms cubic-bezier(.22,1,.36,1) both}.hero-shot-right{z-index:2;right:-3%;width:43%;transform:rotate(5deg) translateY(28px);animation:hero-right-in .76s .26s cubic-bezier(.22,1,.36,1) both}.hero-orbit{position:absolute;z-index:0;border:1px solid rgba(99,162,255,.3);border-radius:50%}.hero-orbit-one{top:11%;left:4%;width:56px;height:56px}.hero-orbit-two{top:4%;right:8%;width:24px;height:24px;background:#63a2ff14}.app-facts{overflow:hidden;padding:24px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface)}.facts-grid{display:grid;grid-template-columns:repeat(4,1fr)}.fact-item{position:relative;isolation:isolate;min-width:0;overflow:hidden;padding:28px 24px;border-right:1px solid var(--border)}.fact-item:before{position:absolute;z-index:0;top:50%;left:18%;width:118px;height:118px;border-radius:50%;background:var(--fact-glow);content:"";filter:blur(28px);opacity:.28;transform:translate(-50%,-50%)}.fact-item:nth-child(1){--fact-glow: var(--course-rose)}.fact-item:nth-child(2){--fact-glow: var(--course-orange)}.fact-item:nth-child(3){--fact-glow: var(--course-blue)}.fact-item:nth-child(4){--fact-glow: var(--course-purple)}.fact-item:last-child{border-right:0}.fact-item p{position:relative;z-index:1;margin:0}.fact-value{display:flex;min-height:44px;align-items:baseline;gap:6px;color:var(--text-primary)}.fact-value strong{font-size:clamp(1.55rem,3vw,2.35rem);font-weight:800;line-height:1;letter-spacing:-.04em}.fact-value span{font-size:.9rem;font-weight:800}.fact-item>p:last-child{margin-top:8px;color:var(--text-secondary);font-size:.84rem}.learning-path{padding:var(--section-space) 0}.learning-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(500px,1.1fr);align-items:center;gap:clamp(48px,8vw,110px)}.learning-copy>.section-kicker{margin-bottom:0;padding:7px 16px;border:0;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--course-rose) 76%,var(--text-primary));color:#fff}.learning-copy h2{margin-top:24px}.learning-steps{display:grid;gap:0;margin:30px 0 0;padding:0;list-style:none}.learning-steps li{--step-color: var(--course-blue);position:relative;display:grid;grid-template-columns:42px 1fr;align-items:center;gap:14px;padding:0 0 20px}.learning-steps li:not(:last-child):after{position:absolute;top:42px;bottom:0;left:20px;width:1px;background:var(--border);content:""}.learning-steps li>span{position:relative;z-index:1;display:grid;width:42px;height:42px;place-items:center;border:1px solid color-mix(in srgb,var(--step-color) 30%,#ffffff);border-radius:50%;background:color-mix(in srgb,var(--step-color) 16%,#ffffff);color:color-mix(in srgb,var(--step-color) 72%,var(--text-primary));font-size:.86rem;font-weight:800}.learning-steps li:nth-child(1){--step-color: var(--course-rose)}.learning-steps li:nth-child(2){--step-color: var(--course-orange)}.learning-steps li:nth-child(3){--step-color: var(--course-blue)}.learning-steps h3{margin:0;font-size:clamp(.94rem,1.4vw,1.06rem);font-weight:700;line-height:1.45}.learning-screens{position:relative;min-height:690px;border:1px solid var(--border);border-radius:var(--radius-card);background:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px),var(--background);background-size:32px 32px}.learning-shot{position:absolute;bottom:22px;width:55%;filter:drop-shadow(0 18px 24px rgba(36,38,74,.12))}.learning-shot-course{z-index:1;left:7%;transform:rotate(-3deg)}.learning-shot-quiz{z-index:2;right:4%;transform:rotate(3deg) translateY(22px)}.video-showcase{position:relative;overflow:hidden;padding:var(--section-space) 0;background:var(--video-background);color:#fff}.video-showcase:after{position:absolute;right:-8vw;bottom:-20vw;width:min(52vw,700px);aspect-ratio:1;border:1px solid rgba(138,190,255,.18);border-radius:50%;content:""}.video-showcase>.section-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(260px,.68fr) minmax(0,1.32fr);align-items:center;gap:clamp(42px,7vw,96px)}.section-kicker-dark{padding:7px 16px;border:0;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--course-teal) 76%,var(--text-primary));color:#fff}.video-heading h2{color:#fff}.video-heading>p:not(.section-kicker){margin:24px 0 0;color:#b8bcd6;font-size:1.05rem}.video-capabilities{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 0;padding:0;list-style:none}.video-capabilities li{padding:7px 11px;border:1px solid rgba(166,178,255,.24);border-radius:var(--radius-control);background:#ffffff0f;color:#e4ecf7;font-size:.82rem;font-weight:700}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.video-card{margin:0;overflow:hidden;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);background:#ffffff0f}.video-frame{position:relative;aspect-ratio:1;overflow:hidden;background:#fff}.video-frame video{width:100%;height:100%;object-fit:cover}.video-toggle{position:absolute;top:50%;left:50%;display:grid;width:clamp(54px,7vw,68px);height:clamp(54px,7vw,68px);place-items:center;padding:0;border:1px solid rgba(255,255,255,.74);border-radius:50%;background:#ffffff8f;box-shadow:0 8px 22px #1c2d4533;color:var(--video-background);cursor:pointer;transform:translate(-50%,-50%);transition:background .16s ease,opacity .16s ease,transform .16s ease;-webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%)}.video-toggle:hover{background:#ffffffc7;transform:translate(-50%,-50%) scale(1.04)}.video-frame[data-state=playing] .video-toggle{opacity:.58}.video-frame[data-state=playing] .video-toggle:hover,.video-frame[data-state=playing] .video-toggle:focus-visible{opacity:1}.video-toggle-glyph{width:0;height:0;margin-left:4px;border-top:10px solid transparent;border-bottom:10px solid transparent;border-left:16px solid currentColor}.video-frame[data-state=playing] .video-toggle-glyph{width:16px;height:19px;margin-left:0;border:0;background:linear-gradient(90deg,currentColor 0 34%,transparent 34% 66%,currentColor 66% 100%)}.video-card figcaption{padding:15px 18px 16px;text-align:center}.video-card figcaption strong{font-size:1.22rem}.fingerspelling-section{padding:var(--section-space) 0;background:var(--background-lavender)}.fingerspelling-grid{display:grid;grid-template-columns:minmax(0,.88fr) minmax(500px,1.12fr);align-items:start;gap:clamp(48px,8vw,112px)}.fingerspelling-copy h2{font-size:clamp(2rem,4vw,3.3rem)}.finger-letters{display:grid;width:min(100%,332px);grid-template-columns:repeat(3,minmax(0,104px));justify-content:start;gap:10px;margin-top:30px}.finger-letter{margin:0;text-align:center}.finger-letter img{width:100%;aspect-ratio:1;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);object-fit:cover}.finger-letter figcaption{margin-top:6px;color:var(--text-primary);font-size:.78rem;font-weight:800;line-height:1.4}.fingerspelling-screens{position:relative;min-height:570px}.finger-shot{position:absolute;top:0;bottom:auto;filter:drop-shadow(0 20px 28px rgba(36,38,74,.12))}.finger-shot-list{z-index:1;left:8%;width:48%}.finger-shot-saved{z-index:2;right:7%;width:43%;transform:translateY(26px)}.feature-showcase{padding:var(--section-space) 0}.feature-story-list{display:grid;gap:24px;margin-top:58px}.feature-story{--story-accent: var(--accent);--story-background: var(--background);display:grid;min-height:680px;grid-template-columns:minmax(0,.82fr) minmax(500px,1.18fr);align-items:center;gap:clamp(42px,7vw,92px);overflow:hidden;padding:clamp(34px,6vw,76px);border:1px solid var(--border);border-radius:var(--radius-card);background:var(--story-background)}.feature-story.is-reversed .feature-story-copy{order:2}.feature-story.is-reversed .feature-story-screens{order:1}.feature-tone-blue{--story-accent: var(--accent-blue);--story-background: var(--background-lavender);--story-pill-background: rgba(61, 135, 232, .13)}.feature-tone-orange{--story-accent: var(--orange-deep);--story-background: rgba(240, 154, 35, .07);--story-pill-background: rgba(228, 119, 28, .13)}.feature-tone-navy{--story-accent: var(--video-background);--story-background: rgba(28, 45, 69, .05);--story-pill-background: rgba(28, 45, 69, .1)}.feature-kicker{display:inline-flex;min-height:32px;align-items:center;margin:0 0 16px;padding:4px 12px;border:1px solid color-mix(in srgb,var(--story-accent) 24%,transparent);border-radius:var(--radius-pill);background:var(--story-pill-background);color:var(--story-accent);font-size:.8rem;font-weight:800;letter-spacing:.04em}.feature-story-copy h3{margin:0;color:var(--text-primary);font-size:clamp(2rem,4vw,3.5rem);font-weight:800;line-height:1.16;letter-spacing:-.04em}.feature-story-copy>p:last-child{max-width:540px;margin:22px 0 0;color:var(--text-secondary);font-size:1.04rem}.feature-story-screens{position:relative;min-height:590px}.feature-story-shot{position:absolute;bottom:-12%;left:0;width:55%;filter:drop-shadow(0 18px 24px rgba(36,38,74,.12));transform:rotate(-2deg)}.feature-story-shot.is-secondary{z-index:2;right:0;left:auto;transform:rotate(2deg) translateY(18px)}.feature-story-screens.is-single .feature-story-shot{right:8%;bottom:-18%;left:auto;width:64%;transform:none}.pricing-section{padding:var(--section-space) 0;background:var(--background)}.pricing-grid{display:grid;grid-template-columns:minmax(0,.78fr) minmax(560px,1.22fr);align-items:center;gap:clamp(48px,8vw,112px)}.plan-prices{display:flex;flex-wrap:wrap;gap:20px 10px;margin:30px 0 0}.plan-prices p{display:grid;min-width:150px;gap:2px;margin:0;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface)}.plan-prices span{color:var(--text-secondary);font-size:.78rem;font-weight:700}.plan-prices strong{color:var(--text-primary);font-size:1.35rem;font-weight:800}.plan-price-annual{position:relative}.plan-renewal-note{max-width:42rem;margin:14px 0 0;color:var(--text-secondary);font-size:.82rem;line-height:1.7}.comparison-wrap{overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-premium);background:var(--surface)}.comparison-table{width:100%;border-collapse:collapse;background:var(--surface);text-align:left}.comparison-table caption{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.comparison-table th,.comparison-table td{padding:18px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.comparison-table thead th{color:var(--text-secondary);font-size:.82rem;letter-spacing:.04em;text-align:center}.comparison-table tbody th{color:var(--text-primary);font-size:.94rem;text-align:center}.comparison-table td{color:var(--text-primary);font-size:.9rem;text-align:center}.comparison-table thead .premium-column{color:var(--success-text);font-weight:800}.comparison-table tbody .premium-column{background:transparent;color:var(--text-primary)}.plan-value{display:grid;justify-items:center;gap:7px;font-weight:700;line-height:1.45}.plan-value img{width:24px;height:24px}.comparison-table tbody tr:last-child th,.comparison-table tbody tr:last-child td{border-bottom:0}.trust-section{padding:var(--section-space) 0;background:var(--surface)}.trust-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(520px,1.18fr);align-items:start;gap:clamp(48px,8vw,104px)}.trust-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--border);border-left:1px solid var(--border)}.trust-card{min-height:280px;padding:24px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface)}.trust-card>span{display:inline-flex;min-height:28px;align-items:center;padding-inline:9px;border-radius:var(--radius-control);background:var(--accent-soft);color:var(--text-primary);font-size:.72rem;font-weight:800}.trust-card h3{margin:24px 0 0;font-size:1.15rem;line-height:1.5}.trust-card p{margin:12px 0 0;color:var(--text-secondary);font-size:.9rem}.faq-section{padding:var(--section-space) 0;border-top:1px solid var(--border)}.faq-inner{display:grid;grid-template-columns:minmax(260px,.65fr) minmax(0,1.35fr);align-items:start;gap:clamp(42px,8vw,110px)}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface)}.faq-item summary{position:relative;display:flex;min-height:68px;align-items:center;padding:16px 52px 16px 18px;color:var(--text-primary);font-weight:800;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:before,.faq-item summary:after{position:absolute;top:50%;right:20px;width:14px;height:2px;border-radius:2px;background:var(--accent-blue);content:""}.faq-item summary:after{transform:rotate(90deg);transition:transform .16s ease}.faq-item[open] summary:after{transform:rotate(0)}.faq-item p{margin:0;padding:0 18px 20px;color:var(--text-secondary)}.final-cta{position:relative;overflow:hidden;padding:var(--section-space) 0;background:radial-gradient(circle at 20% 20%,rgba(117,134,223,.12),transparent 22%),radial-gradient(circle at 80% 84%,rgba(99,162,255,.15),transparent 25%),var(--background);text-align:center}.final-cta:before,.final-cta:after{position:absolute;border:1px solid rgba(99,162,255,.24);border-radius:50%;content:""}.final-cta:before{top:16%;left:12%;width:48px;height:48px}.final-cta:after{right:14%;bottom:17%;width:24px;height:24px}.final-cta-inner{position:relative;z-index:1;display:flex;max-width:760px;flex-direction:column;align-items:center;text-align:center}.final-cta .app-icon{display:block;margin:0 auto 26px}.final-cta h2{margin-top:0}.final-cta p{margin:24px 0 0;color:var(--text-secondary);font-size:1.08rem}.site-footer{padding:68px 0 26px;background:var(--video-background);color:#f4f6ff}.footer-grid{display:grid;grid-template-columns:minmax(300px,1.8fr) repeat(3,minmax(120px,.55fr));gap:36px}.footer-brand p{max-width:360px;margin:16px 0 0;color:#b8bcd6;font-size:.92rem}.footer-nav{display:grid;align-content:start;justify-items:start;gap:10px}.footer-nav h2{margin:0 0 10px;color:#fff;font-size:.82rem;letter-spacing:.06em}.footer-nav a{color:#b8bcd6;font-size:.9rem}.footer-nav a:hover{color:#fff}.footer-bottom{display:flex;justify-content:flex-start;gap:16px;margin-top:48px;padding-top:20px;border-top:1px solid rgba(184,196,214,.16);color:#a6b2ff}.footer-bottom a,.footer-bottom a:hover{color:inherit;text-decoration:none}.info-page{min-height:68vh;padding:92px 0;background:var(--background)}.info-panel{max-width:820px;padding:clamp(28px,6vw,58px);border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface)}.info-panel .section-kicker{margin-bottom:18px}.legal-page{padding:clamp(56px,8vw,80px) 0}.legal-document{padding:clamp(28px,5vw,48px)}.legal-document h1{margin-bottom:20px;font-size:clamp(2rem,3.5vw,2.75rem);line-height:1.25;letter-spacing:-.02em;text-wrap:balance}.legal-title-nowrap{white-space:nowrap}.legal-document h2{margin:42px 0 12px;color:var(--text-primary);font-size:clamp(1.2rem,2.2vw,1.5rem);font-weight:800;line-height:1.5}.legal-document p{margin:0 0 18px;color:var(--text-secondary);line-height:1.9}.legal-document h1+p{color:var(--text-secondary);font-size:.9rem}.legal-document a{color:var(--accent-action);text-decoration:underline;text-underline-offset:3px}.info-note{margin-top:28px;padding:18px;border:1px solid rgba(240,154,35,.24);border-radius:var(--radius-card);background:#f09a2314}.info-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.button{display:inline-flex;min-height:52px;align-items:center;justify-content:center;padding-inline:24px;border-radius:var(--radius-pill);font-weight:800}.button-primary{background:var(--accent);color:var(--text-primary)}.button-secondary,.button-ghost{border:1px solid var(--border);background:var(--surface);color:var(--text-primary)}@keyframes hero-title-character-in{0%{opacity:0;filter:blur(3px);transform:translateY(.45em)}to{opacity:1;filter:blur(0);transform:translateY(0)}}@keyframes hero-center-in{0%{opacity:0;transform:translate(-50%) translateY(36px)}to{opacity:1;transform:translate(-50%)}}@keyframes hero-left-in{0%{opacity:0;transform:rotate(-5deg) translateY(66px)}to{opacity:1;transform:rotate(-5deg) translateY(28px)}}@keyframes hero-right-in{0%{opacity:0;transform:rotate(5deg) translateY(66px)}to{opacity:1;transform:rotate(5deg) translateY(28px)}}@media(max-width:1120px){.desktop-nav{gap:13px;font-size:.82rem}.hero-grid{grid-template-columns:minmax(0,.88fr) minmax(460px,1.12fr)}.hero-device-story{min-height:640px}.learning-grid,.fingerspelling-grid,.pricing-grid,.trust-grid{grid-template-columns:minmax(0,.82fr) minmax(440px,1.18fr);gap:52px}.learning-screens{min-height:610px}.fingerspelling-screens{min-height:520px}.feature-story{grid-template-columns:minmax(0,.82fr) minmax(430px,1.18fr)}.trust-cards{grid-template-columns:1fr}.trust-card{min-height:0}}@media(max-width:920px){:root{--section-space: 96px}.desktop-nav,.header-contact-link{display:none}.mobile-nav{display:block}.hero-grid,.learning-grid,.video-showcase>.section-inner,.fingerspelling-grid,.pricing-grid,.trust-grid,.faq-inner{grid-template-columns:1fr}.hero-copy{max-width:720px}.hero-device-story{width:min(100%,700px);min-height:720px;margin-inline:auto}.facts-grid{grid-template-columns:repeat(2,1fr)}.fact-item:nth-child(2){border-right:0}.fact-item:nth-child(-n+2){border-bottom:1px solid var(--border)}.learning-screens{width:min(100%,620px);min-height:690px;margin-inline:auto}.fingerspelling-screens{width:min(100%,620px);min-height:560px;margin-inline:auto}.video-showcase>.section-inner{gap:52px}.video-heading{max-width:660px}.finger-letters{max-width:332px}.feature-story,.feature-story.is-reversed{min-height:0;grid-template-columns:1fr;gap:36px}.feature-story.is-reversed .feature-story-copy,.feature-story.is-reversed .feature-story-screens{order:initial}.feature-story-screens{width:min(100%,620px);min-height:600px;margin-inline:auto}.pricing-copy{max-width:720px}.comparison-wrap{width:min(100%,760px)}.trust-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.faq-inner{gap:44px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){:root{--section-space: 76px;--font-hero: clamp(2.45rem, 12vw, 3.5rem);--font-h2: clamp(2.2rem, 11vw, 3.4rem)}html{scroll-padding-top:76px}.section-inner{width:min(100% - 32px,1200px)}.site-header{min-height:66px;padding:8px 16px}.brand-text{font-size:1rem}.mobile-nav nav{top:64px}.hero{padding-top:58px}.hero-copy h1{margin-top:0}.hero-lead{margin-top:24px;font-size:1.05rem}.hero-device-story{min-height:min(680px,128vw);margin-top:8px}.hero-shot-left,.hero-shot-right{width:44%}.hero-shot-center{width:58%}.facts-grid{width:100%}.fact-item{padding:22px 16px}.fact-value strong{font-size:1.65rem}.learning-steps{margin-top:24px}.learning-screens{min-height:min(660px,125vw)}.learning-shot{width:58%}.video-grid{grid-template-columns:1fr}.video-card{max-width:460px}.finger-letters{gap:8px}.finger-letter figcaption{width:30px;height:30px;font-size:.85rem}.fingerspelling-screens{min-height:min(540px,105vw)}.feature-story-list{margin-top:42px}.feature-story{padding:28px 18px}.feature-story-screens{min-height:0;aspect-ratio:1}.feature-story-screens.is-single{aspect-ratio:1 / 1.14}.feature-story-screens.is-single .feature-story-shot{right:4%;width:66%}.comparison-wrap{overflow:hidden}.comparison-table{min-width:0;table-layout:fixed}.comparison-table thead th:first-child{width:30%}.comparison-table thead th:nth-child(2),.comparison-table thead th:nth-child(3){width:35%}.comparison-table th,.comparison-table td{padding:10px 4px}.comparison-table thead th{font-size:.7rem;letter-spacing:0}.comparison-table tbody th,.comparison-table td{font-size:.72rem;line-height:1.35;overflow-wrap:anywhere}.plan-value{gap:4px;line-height:1.35}.plan-value img{width:20px;height:20px}.trust-cards,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.final-cta p br{display:none}.legal-page{padding:40px 0 56px}.legal-document{padding:24px 20px 32px}.legal-document h1{margin-bottom:16px;font-size:clamp(1.75rem,7.5vw,2rem);line-height:1.3}.legal-document h2{margin:32px 0 10px}.legal-document p{margin-bottom:16px;line-height:1.8}}.article-page-a03 .article-body h2{margin:64px 0 20px;font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.42}.article-page-a03 .article-body h3{margin:40px 0 14px;padding-left:12px;border-left:3px solid rgba(99,162,255,.65);font-size:clamp(1.08rem,1.5vw,1.25rem);line-height:1.55}.article-page-a03 .article-section-visual,.article-page-a03 .article-section-visual.is-decorative{width:100%;margin-bottom:30px}.article-page-a03 .article-section-visual img{aspect-ratio:16 / 9;object-fit:cover}.article-page-a03 .article-body strong{padding-inline:.08em;background:linear-gradient(transparent 58%,rgba(99,162,255,.24) 58%,rgba(99,162,255,.24) 92%,transparent 92%);box-decoration-break:clone;-webkit-box-decoration-break:clone}.article-page-a03 .article-key-mark{padding-inline:.08em;background:linear-gradient(transparent 56%,rgba(255,216,102,.46) 56%,rgba(255,216,102,.46) 94%,transparent 94%);color:inherit;font-weight:700;box-decoration-break:clone;-webkit-box-decoration-break:clone}.a03-evaluation-legend,.a03-purpose-legend{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 14px}.a03-evaluation-legend span,.a03-purpose-legend span{display:inline-flex;min-height:32px;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--background);color:var(--text-secondary);font-size:.76rem;font-weight:700;line-height:1.35}.a03-evaluation-legend b,.a03-purpose-legend b{color:var(--accent-action);font-size:1rem}.a03-comparison-scroll{position:relative;width:100%;margin-bottom:22px;overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--surface);scrollbar-gutter:stable;-webkit-overflow-scrolling:touch}.a03-comparison-scroll:focus-visible{outline:3px solid var(--accent-blue);outline-offset:3px}.article-page-a03 .a03-comparison-table{display:table;min-width:780px;margin:0;overflow:visible;border-collapse:separate;border-spacing:0}.article-page-a03 .a03-comparison-table caption{padding:16px 18px;border-bottom:1px solid var(--border);background:var(--background);color:var(--text-primary);font-size:.88rem;font-weight:800;line-height:1.55;text-align:left}.article-page-a03 .a03-comparison-table th,.article-page-a03 .a03-comparison-table td{min-width:0;padding:13px 12px;border:0;border-right:1px solid var(--border);border-bottom:1px solid var(--border);font-size:.8rem;line-height:1.55;text-align:center;vertical-align:middle}.article-page-a03 .a03-comparison-table thead th{background:#f7faff;color:var(--text-secondary);font-size:.76rem;letter-spacing:.03em}.article-page-a03 .a03-comparison-table th:first-child{position:sticky;left:0;z-index:2;width:112px;background:#f7faff;color:var(--text-primary);font-weight:800}.article-page-a03 .a03-comparison-table tbody th:first-child{background:var(--surface)}.article-page-a03 .a03-comparison-table tr:last-child th,.article-page-a03 .a03-comparison-table tr:last-child td{border-bottom:0}.article-page-a03 .a03-comparison-table th:last-child,.article-page-a03 .a03-comparison-table td:last-child{border-right:0}.a03-evaluation{display:grid;justify-items:center;gap:5px}.a03-evaluation b{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;font-size:1rem;line-height:1}.a03-evaluation.is-best b{background:#6ed6b53d;color:#25755f}.a03-evaluation.is-good b{border:2px solid rgba(99,162,255,.56);background:#fff;color:#276fbd}.a03-evaluation.is-conditional b{border-radius:8px;background:#ffd8664d;color:#805b00}.a03-evaluation.is-weak b{border:2px solid rgba(98,101,128,.28);background:#fff;color:var(--text-secondary)}.a03-purpose-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 26px}.a03-purpose-card{min-width:0;padding:20px;border:1px solid var(--border);border-radius:12px;background:linear-gradient(145deg,#fff,#f8fbff)}.a03-purpose-card:last-child:nth-child(odd){grid-column:1 / -1}.article-page-a03 .article-body .a03-purpose-card h3{margin:0;padding:0;border:0;font-size:1.02rem;line-height:1.5}.a03-purpose-card dl{margin:16px 0 0}.a03-purpose-card dl>div{display:grid;grid-template-columns:64px minmax(0,1fr);gap:10px;padding:10px 0;border-top:1px solid var(--border)}.a03-purpose-card dt,.a03-purpose-card dd{margin:0;font-size:.82rem;line-height:1.65}.a03-purpose-card dt{display:flex;align-items:baseline;gap:5px;color:var(--accent-action);font-weight:800}.a03-purpose-card dd{color:var(--text-secondary)}.article-page-a03 .is-a03-cta{position:relative;overflow:hidden;grid-template-columns:minmax(0,1fr) 230px;gap:20px;padding:clamp(28px,4vw,38px);border:1px solid rgba(99,162,255,.3);border-top:4px solid var(--accent-periwinkle);border-radius:16px;background:radial-gradient(circle at 92% 12%,rgba(117,134,223,.2),transparent 32%),linear-gradient(145deg,#f8fbff,#f2f6ff)}.article-page-a03 .is-a03-cta .article-app-badges{--store-badge-height: 50px}.article-page-a03 .is-a03-cta .article-app-animals{position:relative;min-height:190px;align-items:center;padding-top:0}.article-page-a03 .is-a03-cta .article-app-animals:before{position:absolute;width:205px;height:205px;border:1px solid rgba(99,162,255,.22);border-radius:50%;background:#ffffffad;content:""}.article-page-a03 .is-a03-cta .article-app-animals img{position:relative;width:112px}.article-page-a03 .is-a03-cta .article-app-animals img:nth-child(2){width:132px}@media(max-width:720px){.a03-purpose-grid{grid-template-columns:1fr}.a03-purpose-card:last-child:nth-child(odd){grid-column:auto}}@media(max-width:620px){.article-page-a03 .article-body h2{margin-top:54px;font-size:1.5rem}.a03-evaluation-legend,.a03-purpose-legend{gap:6px}.a03-evaluation-legend span,.a03-purpose-legend span{padding-inline:8px;font-size:.72rem}.article-page-a03 .is-a03-cta{grid-template-columns:1fr;padding:24px 22px 12px}.article-page-a03 .is-a03-cta .article-app-animals{min-height:142px;order:0;margin-top:4px}.article-page-a03 .is-a03-cta .article-app-animals:before{width:152px;height:152px}.article-page-a03 .is-a03-cta .article-app-animals img{width:84px}.article-page-a03 .is-a03-cta .article-app-animals img:nth-child(2){width:98px}}@media(max-width:390px){.hero-device-story,.learning-screens{min-height:455px}.fingerspelling-screens{min-height:370px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.hero-title-character{opacity:1;filter:none;transform:none;animation-delay:0ms!important}}.article-shell{width:min(1120px,calc(100% - 48px));margin-inline:auto}.article-page,.article-index-page{background:var(--surface)}.article-hero,.article-index-hero{position:relative;overflow:hidden;padding:clamp(56px,8vw,104px) 0;border-bottom:1px solid var(--border);background:radial-gradient(circle at 88% 22%,rgba(117,134,223,.16),transparent 28%),radial-gradient(circle at 8% 76%,rgba(99,162,255,.13),transparent 24%),var(--background)}.article-hero h1,.article-index-hero h1{max-width:900px;margin:18px 0 0;color:var(--text-primary);font-size:clamp(2.35rem,6vw,4.8rem);font-weight:800;line-height:1.16;letter-spacing:-.045em}.article-description,.article-index-hero>.article-shell>p:last-child{max-width:760px;margin:24px 0 0;color:var(--text-secondary);font-size:clamp(1.05rem,2vw,1.22rem);line-height:1.85}.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--text-secondary);font-size:.84rem;font-weight:700}.breadcrumbs a{text-decoration:underline;text-decoration-color:#3d87e859;text-underline-offset:4px}.breadcrumbs a:hover{color:var(--accent-action)}.article-cluster{margin:28px 0 0;color:var(--accent-action);font-size:.88rem;font-weight:800;letter-spacing:.04em}.draft-badge{display:inline-flex;min-height:30px;align-items:center;margin:24px 0 0;padding:4px 10px;border:1px solid rgba(216,39,39,.24);border-radius:var(--radius-control);background:#d8272712;color:var(--warning);font-size:.78rem;font-weight:800}.draft-badge+.article-cluster{margin-top:14px}.article-meta{display:flex;flex-wrap:wrap;gap:24px;margin:32px 0 0}.article-meta div{display:flex;align-items:baseline;gap:8px}.article-meta dt{color:var(--text-secondary);font-size:.78rem;font-weight:700}.article-meta dd{margin:0;color:var(--text-primary);font-size:.88rem;font-weight:800}.article-hero-visual{margin:clamp(32px,5vw,52px) 0 0;overflow:hidden;border:1px solid rgba(99,162,255,.28);border-radius:16px;background:#dff0ff}.article-thumbnail{width:100%;height:auto;object-fit:cover}.article-thumbnail.is-hero{aspect-ratio:16 / 9}.article-thumbnail.is-card{aspect-ratio:16 / 9;margin-bottom:18px;border:1px solid var(--border);border-radius:7px}.article-layout-grid{display:grid;grid-template-columns:minmax(0,760px) minmax(210px,280px);align-items:start;justify-content:space-between;gap:clamp(48px,7vw,96px);padding-block:clamp(56px,8vw,104px)}.article-body{grid-column:1;grid-row:1;min-width:0;color:var(--text-primary);font-size:1.04rem;line-height:1.95}.article-body>:first-child{margin-top:0}.article-body h2,.article-body h3,.article-body h4{color:var(--text-primary);font-weight:800;letter-spacing:-.025em;scroll-margin-top:96px}.article-body h2{margin:72px 0 24px;padding-top:8px;font-size:clamp(1.75rem,4vw,2.45rem);line-height:1.35}.article-body h3{margin:46px 0 16px;font-size:clamp(1.3rem,2.4vw,1.65rem);line-height:1.45}.article-body h4{margin:34px 0 12px;font-size:1.12rem}.article-body p,.article-body ul,.article-body ol,.article-body blockquote,.article-body table{margin-top:0;margin-bottom:24px}.article-body ul,.article-body ol{padding-left:1.45em}.article-body li+li{margin-top:8px}.article-body a:not(.related-article-card):not(.store-badge-link){color:#276fbd;font-weight:700;text-decoration:underline;text-decoration-color:#276fbd57;text-underline-offset:4px}.article-body a:hover{text-decoration-color:currentColor}.article-body blockquote{padding:20px 22px;border:1px solid rgba(99,162,255,.28);border-left:4px solid var(--accent);border-radius:var(--radius-card);background:var(--background);color:var(--text-primary)}.article-body blockquote>:last-child{margin-bottom:0}.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;border-spacing:0;-webkit-overflow-scrolling:touch}.article-body th,.article-body td{min-width:140px;padding:14px 16px;border:1px solid var(--border);text-align:left;vertical-align:top}.article-body th{background:var(--background);font-size:.92rem}.article-body strong{font-weight:800;text-decoration:underline;text-decoration-color:#d8d2ff;text-decoration-thickness:.14em;text-underline-offset:.18em;text-decoration-skip-ink:auto}.article-body mark{color:inherit;background:#fff0b8;padding-inline:.12em;box-decoration-break:clone;-webkit-box-decoration-break:clone}.article-section-visual{margin:0 0 36px}.article-section-visual img{width:100%;height:auto;overflow:hidden;border:1px solid var(--border);border-radius:12px;background:var(--background)}.article-section-visual figcaption{margin-top:10px;color:var(--text-secondary);font-size:.84rem;line-height:1.65;text-align:center}.article-section-visual.is-decorative{width:min(100%,620px);margin-inline:auto}.article-body .article-flat-illustration{width:100%;max-width:none;margin:0 0 32px}.article-body .article-flat-illustration img{display:block;aspect-ratio:16 / 9;object-fit:cover;border-radius:8px}.article-learning-video{margin:0 0 32px;padding:clamp(12px,2vw,18px);border:1px solid var(--border);border-radius:12px;background:#f8faff}.article-learning-video video{display:block;width:100%;max-height:min(70vh,720px);border-radius:8px;background:#17203a}.article-learning-video figcaption{margin-top:10px;color:var(--text-secondary);font-size:.84rem;line-height:1.65}.article-toc{position:sticky;grid-column:2;grid-row:1;top:96px}.article-toc-panel{padding:20px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--background)}.article-toc summary{display:flex;min-height:32px;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none}.article-toc summary::-webkit-details-marker{display:none}.article-toc summary span:first-child{margin:0;font-size:.95rem;font-weight:800}.article-toc-chevron{width:9px;height:9px;flex:0 0 auto;border-right:2px solid var(--accent-action);border-bottom:2px solid var(--accent-action);transform:rotate(45deg) translate(-2px,-2px);transition:transform .16s ease}.article-toc-panel[open] .article-toc-chevron{transform:rotate(225deg) translate(-2px,-2px)}.article-toc-scroll{max-height:min(60vh,520px);margin-top:14px;padding-right:6px;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.article-toc ol{display:grid;gap:10px;margin:0;padding:0;list-style:none}.article-toc li{line-height:1.5}.article-toc li.is-depth-3{padding-left:14px;font-size:.82rem}.article-toc a{color:var(--text-secondary);font-size:.86rem;font-weight:700}.article-toc a:hover{color:var(--accent-action)}.article-note,.article-sources,.article-app-cta,.related-articles{margin-top:72px}.article-note{padding:24px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--background-lavender)}.article-note h2,.article-sources h2,.article-app-cta h2,.related-articles h2{margin:0 0 14px;padding:0;font-size:clamp(1.35rem,3vw,1.75rem)}.article-note p,.article-app-cta p{margin:0}.article-sources ul{margin-bottom:0}.article-app-cta{display:grid;grid-template-columns:minmax(0,1fr) minmax(210px,280px);align-items:center;gap:28px;padding:clamp(24px,5vw,40px);border:1px solid var(--border);border-radius:var(--radius-card);background:radial-gradient(circle at 88% 18%,rgba(117,134,223,.2),transparent 35%),var(--background)}.article-app-cta .section-kicker{margin-bottom:12px}.article-app-badges{--store-badge-height: 48px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}.article-app-animals{display:flex;min-height:170px;align-items:flex-end;justify-content:center;padding-top:12px}.article-app-animals img{width:clamp(92px,11vw,128px);height:auto}.article-app-animals img+img{margin-left:-32px}.article-app-animals img:nth-child(2){z-index:1;width:clamp(106px,13vw,146px)}.related-article-grid,.article-card-grid,.home-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-article-card,.article-card,.home-guide-card{display:flex;min-width:0;flex-direction:column;padding:22px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);color:var(--text-primary);text-decoration:none;transition:border-color .16s ease,transform .16s ease}.related-article-card:hover,.article-card:hover,.home-guide-card:hover{border-color:var(--accent);transform:translateY(-2px)}.related-article-card span,.home-guide-card>span{color:var(--accent-action);font-size:.75rem;font-weight:800}.related-article-card strong{margin-top:10px;line-height:1.5}.related-article-card small{margin-top:auto;padding-top:18px;color:var(--text-secondary);font-weight:700}.article-index-content{padding-block:clamp(56px,8vw,104px)}.article-cluster-section+.article-cluster-section{margin-top:80px}.article-cluster-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}.article-cluster-heading h2{margin:0;font-size:clamp(1.5rem,3vw,2rem);font-weight:800;line-height:1.3}.article-cluster-heading p{order:2;margin:0;color:var(--text-secondary);font-size:.85rem;font-weight:700}.article-card-meta{display:flex;flex-wrap:wrap;gap:6px}.article-card-meta span{display:inline-flex;min-height:26px;align-items:center;padding:3px 8px;border-radius:var(--radius-control);background:var(--accent-soft);color:var(--text-primary);font-size:.7rem;font-weight:800}.article-card h3,.home-guide-card h3{margin:16px 0 0;font-size:1.2rem;line-height:1.48}.article-card>h3:first-child{margin-top:0}.article-card p,.home-guide-card p{margin:12px 0 0;color:var(--text-secondary);font-size:.9rem;line-height:1.75}.article-card>strong,.home-guide-card>strong{margin-top:auto;padding-top:22px;color:var(--accent-action);font-size:.86rem}.article-empty-state{padding:42px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--background);text-align:center}.article-empty-state h2,.article-empty-state p{margin:0}.article-empty-state p{margin-top:10px;color:var(--text-secondary)}.learning-guides{padding:var(--section-space) 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--background)}.home-guide-grid{margin-top:44px}.home-guide-more{margin:28px 0 0;text-align:right}.home-guide-more a{color:var(--accent-action);font-weight:800;text-decoration:underline;text-underline-offset:5px}@media(max-width:900px){.article-layout-grid{grid-template-columns:1fr}.article-body{grid-column:1;grid-row:2}.article-toc{position:static;grid-column:1;grid-row:1}.article-toc-panel{padding:18px}.article-card-grid,.home-guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related-article-grid{grid-template-columns:1fr}}@media(max-width:620px){.article-shell{width:min(100% - 32px,1120px)}.article-hero,.article-index-hero{padding:44px 0 52px}.article-hero h1,.article-index-hero h1{font-size:clamp(2rem,10.5vw,3rem)}.article-layout-grid{gap:36px;padding-block:48px 72px}.article-body{font-size:1rem;line-height:1.9}.article-body h2{margin-top:58px}.article-toc li.is-depth-3{display:none}.article-app-cta{grid-template-columns:1fr}.article-app-animals{min-height:150px;order:-1}.article-app-badges{--store-badge-height: 46px}.article-card-grid,.home-guide-grid{grid-template-columns:1fr}.article-cluster-heading{display:block}.article-cluster-heading p{margin-bottom:6px}}.article-detail-shell{width:min(1200px,calc(100% - 64px));margin-inline:auto;padding-block:40px 96px}.article-detail-breadcrumbs{margin-bottom:32px}.article-detail-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);align-items:start;gap:40px}.article-main,.article-sidebar{min-width:0}.article-detail-heading{margin-bottom:28px}.article-detail-heading .article-cluster{margin:0 0 12px}.article-detail-heading .draft-badge{margin:0 0 18px}.article-detail-heading h1{margin:0;font-size:clamp(2rem,3vw,2.5rem);font-weight:800;line-height:1.4;letter-spacing:-.025em;overflow-wrap:anywhere;text-wrap:balance}.article-detail-heading .article-description{max-width:none;margin:18px 0 0;font-size:1rem;line-height:1.9}.article-title-unit{white-space:nowrap}.article-detail-heading .article-meta{gap:12px 24px;margin-top:20px}.article-cover{margin-bottom:24px;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--background)}.article-body .article-next-step{margin:32px 0;padding:clamp(18px,3vw,28px);border:1px solid #c4d8ee;border-radius:8px;background:#f5f9ff}.article-body .article-next-step h3{margin-top:0}.article-body .article-store-links{display:flex;flex-wrap:wrap;gap:12px}.article-body .article-store-links a{display:inline-flex;align-items:center;min-height:48px;padding:10px 14px;border:1px solid #aac7e6;border-radius:8px;background:#fff;color:#24588f;font-weight:700}.article-store-links a:focus-visible{outline:3px solid #24588f;outline-offset:3px}#today-practice{scroll-margin-top:100px}.article-thumbnail-fallback{display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(ellipse at 50% 60%,rgba(255,255,255,.9) 0 30%,transparent 31%),linear-gradient(135deg,#eaf3ff,#edf0ff)}.article-thumbnail-fallback.is-hero>img{width:26%;height:auto}.article-thumbnail-fallback.is-hero>img+img{margin-left:-3%}.article-thumbnail-fallback.is-hero>img:nth-child(2){z-index:1;width:30%;transform:translateY(-7%)}.article-detail-page .article-toc{position:static;width:100%;margin:0 0 40px}.article-detail-page .article-toc-panel{padding:18px 24px;border-radius:var(--radius-card);background:#f8faff}.article-detail-page .article-toc summary{min-height:48px}.article-detail-page .article-toc summary span:first-child{font-size:1rem}.article-toc summary small{margin-left:12px;color:var(--text-secondary);font-size:.8rem;font-weight:400}.article-detail-page .article-toc-scroll{max-height:min(44dvh,360px);margin-top:10px;padding:2px 10px 2px 4px}.article-detail-page .article-toc ol{gap:2px;padding-left:1.65em;list-style:decimal}.article-detail-page .article-toc li::marker{color:var(--accent-action);font-size:.82rem}.article-detail-page .article-toc a{display:block;padding:7px 0 7px 5px;font-size:.94rem;font-weight:400;line-height:1.65}.article-detail-page .article-body{font-size:1rem;line-height:1.92}.article-detail-page .article-body h2{font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.45}.article-detail-page .article-body h3{font-size:clamp(1.1rem,1.8vw,1.3rem);line-height:1.6}.article-detail-page .article-note h2,.article-detail-page .article-sources h2,.article-detail-page .article-app-cta h2,.article-detail-page .related-articles h2{margin:0 0 16px;padding:0;font-size:1.5rem}.article-detail-page .article-sources a{overflow-wrap:anywhere}.article-sidebar{display:grid;gap:24px}.article-sidebar-recommendations,.article-sidebar-download{padding:26px 24px;border:1px solid var(--border);border-radius:var(--radius-card);background:#f8faff}.article-sidebar-recommendations h2,.article-sidebar-download h2{margin:0 0 22px;font-size:1.2rem;font-weight:800;line-height:1.5}.article-sidebar-list{display:grid;gap:20px;margin:0;padding:0;list-style:none}.article-sidebar-link{display:grid;grid-template-columns:104px minmax(0,1fr);align-items:start;gap:14px;border-radius:6px}.article-thumbnail.is-sidebar{aspect-ratio:16 / 9;border:1px solid var(--border);border-radius:6px}.article-thumbnail-fallback.is-sidebar>img{width:58%;height:auto}.article-sidebar-link-copy{display:grid;gap:5px}.article-sidebar-link-copy small{color:var(--accent-action);font-size:.7rem;font-weight:700}.article-sidebar-link-copy>span{color:var(--text-primary);font-size:.9rem;font-weight:700;line-height:1.7}.article-sidebar-link:hover .article-sidebar-link-copy>span{color:var(--accent-action);text-decoration:underline;text-underline-offset:4px}.article-sidebar-all{display:flex;min-height:48px;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:12px;border-top:1px solid var(--border);color:var(--accent-action);font-size:.86rem;font-weight:700}.article-sidebar-download{overflow:hidden;border-top:3px solid var(--accent-periwinkle);background:linear-gradient(145deg,#f8fbff,#eef2ff)}.article-sidebar-download .section-kicker{margin-bottom:14px;font-size:.74rem}.article-sidebar-download h2{margin-bottom:12px}.article-sidebar-download .article-app-cta-copy>p:last-of-type{margin:0;color:var(--text-secondary);font-size:1rem;line-height:1.8}.article-sidebar-download .article-app-badges{--store-badge-height: 48px;gap:12px;margin-top:24px}.article-sidebar-download .article-app-animals{min-height:108px;align-items:center;margin-top:12px;padding:0}.article-sidebar-download .article-app-animals img{width:78px;filter:none}.article-sidebar-download .article-app-animals img:nth-child(2){width:90px}.article-sidebar-download .article-app-animals img+img{margin-left:-16px}@media(max-width:960px){.article-detail-shell{width:min(760px,calc(100% - 48px))}.article-detail-grid{grid-template-columns:minmax(0,1fr);gap:56px}.article-sidebar{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.article-sidebar-link{grid-template-columns:88px minmax(0,1fr);gap:12px}}@media(max-width:620px){.article-detail-shell{width:calc(100% - 32px);padding-block:28px 64px}.article-detail-breadcrumbs{margin-bottom:24px}.article-detail-heading h1{font-size:clamp(1.75rem,7.7vw,2rem);line-height:1.42}.article-detail-heading .article-meta{gap:8px 18px}.article-detail-page .article-toc-panel{padding:12px 18px}.article-detail-page .article-toc-scroll{max-height:min(44dvh,300px)}.article-detail-page .article-app-cta .article-app-animals{order:0}.article-sidebar{grid-template-columns:minmax(0,1fr)}.article-sidebar-link{grid-template-columns:104px minmax(0,1fr)}}