:root{color-scheme:light dark;--bg: #f7f4ee;--surface: #ffffff;--surface-2: #f1ede4;--text: #1f2328;--text-muted: #5b616b;--life-a: #2f5da8;--life-b: #9a5424;--life-a-tint: rgb(47 93 168 / 8%);--life-b-tint: rgb(154 84 36 / 8%);--glow-a: rgb(47 93 168 / 13%);--glow-b: rgb(154 84 36 / 12%);--focus: #5b3fb0;--border: #e2ddd3;--border-strong: #cdc6b8;--glass: rgb(255 255 255 / 70%);--radius-card: 16px;--radius-lg: 24px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgb(31 35 40 / 6%), 0 1px 1px rgb(31 35 40 / 4%);--shadow-md: 0 10px 28px -10px rgb(31 35 40 / 18%), 0 2px 6px rgb(31 35 40 / 6%);--shadow-lg: 0 24px 48px -18px rgb(31 35 40 / 28%);--ease: cubic-bezier(.2, .7, .2, 1);--page-inline: clamp(20px, 4vw, 64px);--content-max: 1180px;--font-sans: Pretendard, "Pretendard JP", system-ui, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #15171a;--surface: #1f2227;--surface-2: #272b31;--text: #ecedee;--text-muted: #a3a9b3;--life-a: #8fb0ea;--life-b: #e3a472;--life-a-tint: rgb(143 176 234 / 12%);--life-b-tint: rgb(227 164 114 / 12%);--glow-a: rgb(143 176 234 / 14%);--glow-b: rgb(227 164 114 / 11%);--focus: #b9a6f2;--border: #33373d;--border-strong: #454a52;--glass: rgb(31 34 39 / 72%);--shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);--shadow-md: 0 12px 30px -10px rgb(0 0 0 / 60%), 0 2px 6px rgb(0 0 0 / 30%);--shadow-lg: 0 24px 48px -18px rgb(0 0 0 / 70%)}}*{box-sizing:border-box}html{min-width:320px;background:var(--bg);color:var(--text);font-family:var(--font-sans);scroll-behavior:smooth}body{min-height:100vh;margin:0;background:radial-gradient(48rem 26rem at 8% -6%,var(--glow-a),transparent 70%),radial-gradient(44rem 24rem at 94% -4%,var(--glow-b),transparent 70%),var(--bg);background-repeat:no-repeat;font-size:16px;line-height:1.625;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}:lang(ko){word-break:keep-all}:lang(ja){line-break:strict}:lang(ja) :is(h1,h2){word-break:auto-phrase}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:10;top:8px;left:8px;padding:10px 16px;border-radius:var(--radius-pill);background:var(--text);color:var(--bg);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header,.site-footer,main{width:min(100%,var(--content-max));margin-inline:auto}.site-header{position:sticky;z-index:5;top:12px;display:flex;width:min(calc(100% - 24px),var(--content-max));min-height:64px;align-items:center;justify-content:space-between;gap:24px;margin-block:12px 0;padding-inline:20px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--glass);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px)}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}.brand__mark{width:36px;height:36px;border-radius:10px}.brand__copy{display:grid;line-height:1.25}.brand__copy strong{font-size:17px}.brand__copy small{color:var(--text-muted);font-size:12px}.locale-nav{display:flex;gap:2px;padding:4px;border-radius:var(--radius-pill);background:var(--surface-2)}.locale-nav a{min-width:52px;min-height:40px;display:grid;place-items:center;padding-inline:12px;border-radius:var(--radius-pill);color:var(--text-muted);font-size:13px;font-weight:600;text-decoration:none;transition:background .2s var(--ease),color .2s var(--ease)}.locale-nav a[aria-current=page]{background:var(--surface);box-shadow:var(--shadow-sm);color:var(--text)}.hero,.prototype{padding:clamp(48px,8vw,96px) var(--page-inline)}.hero__copy{position:relative;max-width:640px}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 20px;padding:6px 14px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);box-shadow:var(--shadow-sm);color:var(--text-muted);font-size:13px;font-weight:700;letter-spacing:.02em}h1,h2,p{margin-top:0}h1{margin-bottom:24px;font-size:clamp(32px,5.4vw,56px);font-weight:800;line-height:1.14;letter-spacing:-.04em}.hero__privacy{max-width:600px;margin-bottom:32px;color:var(--text-muted)}.primary-action,.text-link{display:inline-flex;align-items:center;justify-content:center;font-weight:700}.primary-action{min-height:52px}.text-link{min-height:40px;color:var(--text-muted);font-size:14px;font-weight:500;text-decoration:none}.primary-action{gap:10px;padding:0 28px;border-radius:var(--radius-pill);background:var(--text);box-shadow:var(--shadow-md);color:var(--bg);text-decoration:none;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}.text-link{color:var(--text-muted)}.cradles{display:grid;grid-template-columns:1fr 56px 1fr;align-items:stretch;margin-top:64px}.cradle-card{min-height:220px;padding:clamp(24px,4vw,40px);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.cradle-card--a{background:linear-gradient(var(--life-a-tint),var(--life-a-tint)),var(--surface)}.cradle-card--b{background:linear-gradient(var(--life-b-tint),var(--life-b-tint)),var(--surface)}.cradle-card__label{display:inline-grid;width:32px;height:32px;place-items:center;border-radius:50%;color:var(--surface);font-size:14px;font-weight:800}.cradle-card--a .cradle-card__label{background:var(--life-a)}.cradle-card--b .cradle-card__label{background:var(--life-b)}.cradle-card h2{margin:24px 0;font-size:22px;letter-spacing:-.02em}.cradle-card__path{display:block;width:72%;height:6px;border-radius:var(--radius-pill);background:currentColor}.cradle-card--a .cradle-card__path{color:var(--life-a)}.cradle-card--b .cradle-card__path{margin-left:auto;color:var(--life-b)}.timeline{display:grid;place-items:start center;color:var(--text-muted);background:linear-gradient(var(--border),var(--border)) center / 1px 100% no-repeat;font-variant-numeric:tabular-nums}.timeline span{display:grid;width:40px;height:40px;place-items:center;border:1px solid var(--border);border-radius:50%;background:var(--bg);font-size:12px}.evidence-strip{padding:0 var(--page-inline) 56px;color:var(--text-muted);text-align:center}.evidence-strip p{display:inline-block;max-width:760px;margin:0;padding:12px 20px;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--shadow-sm);font-size:14px}.prototype{max-width:760px}.prototype>p:not(.eyebrow){max-width:620px;color:var(--text-muted)}.site-footer{display:flex;justify-content:space-between;padding:32px var(--page-inline) 48px;color:var(--text-muted);font-size:13px}.language-entry{max-width:680px;min-height:calc(100vh - 190px);padding:clamp(64px,9vw,112px) var(--page-inline)}.language-entry h1{margin-top:24px}.language-entry p{margin-bottom:4px;color:var(--text-muted)}.language-choice{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.language-choice a{display:inline-grid;gap:2px;min-height:48px;place-items:center;padding-inline:20px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);font-weight:700;text-decoration:none}.language-choice a.is-suggested{border-color:var(--text);box-shadow:inset 0 0 0 1px var(--text)}.language-choice__hint{color:var(--text-muted);font-size:12px;font-weight:500}@media(max-width:680px){.site-header{min-height:60px;padding-inline:14px}.brand__copy small{display:none}.locale-nav a{min-width:0;padding-inline:8px}.cradles{grid-template-columns:1fr;gap:16px}.timeline{height:40px;background:linear-gradient(90deg,var(--border),var(--border)) center / 100% 1px no-repeat}.timeline span{background:var(--bg)}}@media(max-width:359px){.site-header{gap:12px}.brand__copy{display:none}.locale-nav{gap:0}.locale-nav a{padding-inline:6px;font-size:12px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}.locale-nav a:hover{color:var(--text)}.eyebrow:before{width:8px;height:8px;border-radius:50%;background:linear-gradient(90deg,var(--life-a) 50%,var(--life-b) 50%);content:""}.primary-action:after{width:18px;height:18px;background:currentColor;-webkit-mask:url(/icons/lucide/chevron-right.svg) center / contain no-repeat;mask:url(/icons/lucide/chevron-right.svg) center / contain no-repeat;content:"";transition:transform .2s var(--ease)}.primary-action:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.primary-action:hover:after{transform:translate(3px)}.primary-action:active{transform:translateY(0)}.text-link:hover{color:var(--text);text-decoration:underline}.cradle-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.hero{display:grid;gap:48px 32px}.hero__flow{display:none;width:100%;max-width:420px;height:auto;justify-self:end;overflow:visible}.flow__line{fill:none;stroke-dasharray:500;stroke-linecap:round;stroke-width:5}.flow__line--a{stroke:var(--life-a)}.flow__line--b{stroke:var(--life-b)}.flow__node{fill:var(--bg);stroke-width:4}.flow__node--a{stroke:var(--life-a)}.flow__node--b{stroke:var(--life-b)}.flow__origin{fill:var(--text)}@media(min-width:960px){.hero{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center}.hero__flow{display:block}.cradles{grid-column:1 / -1}}@media(prefers-reduced-motion:no-preference){.flow__line{animation:flow-draw 1.6s var(--ease) both}.flow__line--b{animation-delay:.2s}.flow__node{animation:flow-pop .5s var(--ease) both;animation-delay:1.2s}@keyframes flow-draw{0%{stroke-dashoffset:500}to{stroke-dashoffset:0}}@keyframes flow-pop{0%{opacity:0}to{opacity:1}}}.site-footer{flex-wrap:wrap;gap:12px 24px}.site-footer__nav{display:flex;flex-wrap:wrap;gap:0 20px}.site-footer__nav a{display:inline-flex;min-height:40px;align-items:center;color:var(--text-muted);text-decoration:none}.site-footer__nav a:hover{color:var(--text);text-decoration:underline}