:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f6f1;--surface:#fff;--surface-soft:#f1f1ea;--ink:#15161a;--ink-soft:#5d5f67;--ink-faint:#8c8e95;--line:#e4e4dc;--lime:#def77b;--lime-deep:#c9ea4f;--lime-ink:#1a1f04;--violet:#6b5ce7;--pink:#f08aa3;--peach:#f4c98e;--dark:#17181c;--dark-2:#222329;--dark-line:#3a3b43;--dark-ink:#f4f4ef;--dark-soft:#a9abb3;--sans:"Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--step--1:.8125rem;--step-0:1rem;--step-1:1.125rem;--step-2:1.5rem;--step-3:clamp(1.75rem, 5vw, 2.5rem);--step-4:clamp(2.5rem, 9vw, 5rem);--radius:20px;--radius-lg:28px;--shadow:0 1px 2px #15161a0a, 0 18px 40px -18px #15161a2e;--wide:76rem;--gutter:20px}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}.ring-site{min-height:100dvh;color:var(--ink);background:var(--bg);font-family:var(--sans);font-size:var(--step-0);letter-spacing:-.01em;-webkit-font-smoothing:antialiased;word-break:keep-all;line-height:1.65;overflow-x:hidden}:where(.ring-site) a{color:inherit;text-decoration:none}:where(.ring-site) ol,:where(.ring-site) ul{list-style:none}.ring-site :focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:6px}.wrap{width:min(100% - var(--gutter) * 2, var(--wide));margin-inline:auto}.section{padding-block:88px}.section--tight{padding-block:24px 88px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.ring-site h1,.ring-site h2,.ring-site h3{letter-spacing:-.035em;line-height:1.12}.ring-site h1{font-size:var(--step-4);letter-spacing:-.045em;font-weight:850;line-height:1.06}.ring-site h2{font-size:var(--step-3);font-weight:800}.ring-site h3{font-size:var(--step-1);font-weight:750}.lede{max-width:36rem;color:var(--ink-soft);font-size:var(--step-1);margin-top:24px;line-height:1.7}.eyebrow{color:var(--violet);font-size:var(--step--1);letter-spacing:.04em;align-items:center;gap:8px;margin-bottom:18px;font-weight:700;display:inline-flex}.eyebrow:before{content:"✳";font-size:1.05em}.hl{background:linear-gradient(transparent 52%, var(--lime) 52%, var(--lime) 92%, transparent 92%);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-inline:.08em}.hl--dark{color:var(--lime);background:0 0;padding:0}.btn-row{flex-wrap:wrap;gap:10px;margin-top:32px;display:flex}.btn{border:1.5px solid var(--ink);border-radius:999px;justify-content:center;align-items:center;min-height:52px;padding:0 26px;font-size:.9375rem;font-weight:700;transition:transform .18s,background-color .18s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn--act{background:var(--ink);color:var(--bg)}.btn--lime{background:var(--lime);border-color:var(--lime);color:var(--lime-ink)}.btn--ghost{background:0 0}.btn--ghost:hover{background:var(--surface)}.text-link{border-bottom:2px solid var(--lime-deep);margin-top:36px;font-weight:700;display:inline-block}.masthead{z-index:10;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid #0000;position:sticky;top:0}.masthead__inner{justify-content:space-between;align-items:center;gap:12px;min-height:64px;display:flex}.wordmark{letter-spacing:-.04em;align-items:center;gap:8px;font-size:1.1875rem;font-weight:850;display:inline-flex}.mark{color:var(--ink);flex:none}.masthead__nav{white-space:nowrap;align-items:center;gap:4px;font-size:.875rem;font-weight:600;display:flex}.masthead__nav a{color:var(--ink-soft);border-radius:999px;padding:8px 12px}.masthead__nav a[aria-current=page],.masthead__nav a:not(.pill):hover{color:var(--ink)}.masthead__nav .pill{background:var(--ink);color:var(--bg);margin-left:4px}.hero{align-items:center;gap:56px;padding-block:56px 72px;display:grid}.hero h1{max-width:12em}.rings{aspect-ratio:1/.92;width:min(100%,460px);margin-inline:auto;position:relative}.rings__ring{aspect-ratio:1;border:3px solid var(--ink);border-radius:50%;width:58%;padding:14%;display:flex;position:absolute}.rings__ring em{letter-spacing:-.03em;font-size:clamp(.9375rem,3.6vw,1.125rem);font-style:normal;font-weight:800}.rings__ring--a{background:var(--surface);justify-content:flex-start;align-items:flex-start;top:0;left:0}.rings__ring--b{background:var(--lime);justify-content:flex-end;align-items:flex-start;top:4%;right:0}.rings__ring--c{background:var(--peach);mix-blend-mode:multiply;justify-content:center;align-items:flex-end;bottom:0;left:21%}.rings__ring--a,.rings__ring--b{mix-blend-mode:multiply}.rings__me{background:var(--ink);width:56px;height:56px;color:var(--lime);box-shadow:0 0 0 6px var(--bg);border-radius:50%;place-items:center;font-size:.9375rem;font-weight:800;display:grid;position:absolute;top:47%;left:50%;transform:translate(-50%,-50%)}.rings figcaption{text-align:center;color:var(--ink-faint);font-size:var(--step--1);position:absolute;bottom:-44px;left:0;right:0}.split{gap:40px;display:grid}.index-list{border-top:2px solid var(--ink)}.index-list li{border-bottom:1px solid var(--line);grid-template-columns:52px 1fr;gap:8px;padding-block:26px;display:grid}.index-list__no{font-size:var(--step--1);color:var(--violet);padding-top:4px;font-weight:700}.index-list h3{font-size:var(--step-2);font-weight:800}.index-list p{color:var(--ink-soft);margin-top:6px}.dark{background:var(--dark);color:var(--dark-ink)}.dark .eyebrow{color:var(--lime)}.dark h2{max-width:16em}.flow{gap:0;margin-top:56px;display:grid;position:relative}.flow:before{content:"";background:var(--lime);width:2px;position:absolute;top:12px;bottom:12px;left:11px}.flow li{padding:0 0 40px 48px;position:relative}.flow li:last-child{padding-bottom:0}.flow__node{border:3px solid var(--lime);background:var(--dark);border-radius:50%;width:24px;height:24px;position:absolute;top:2px;left:0}.flow li:last-child .flow__node{background:var(--lime)}.flow__no{font-size:var(--step--1);color:var(--dark-soft);letter-spacing:.06em;font-weight:700;display:block}.flow h3{font-size:var(--step-2);margin-top:6px;font-weight:800}.flow p{color:var(--dark-soft);max-width:22rem;margin-top:8px}.promises{border-top:2px solid var(--ink)}.promises li{border-bottom:1px solid var(--line);gap:10px;padding-block:32px;display:grid}.promises strong{letter-spacing:-.045em;font-size:clamp(1.75rem,6.2vw,3.5rem);font-weight:850;line-height:1.12}.promises p{color:var(--ink-soft);max-width:30rem}.callout{border-radius:var(--radius-lg);background:var(--lime);color:var(--lime-ink);align-items:end;gap:28px;padding:40px 28px 120px;display:grid;position:relative;overflow:hidden}.callout .eyebrow{color:var(--lime-ink)}.callout p:not(.eyebrow){max-width:34rem;margin-top:14px}.callout .btn-row{margin-top:0}.callout .btn--ghost{border-color:var(--lime-ink)}.callout__word{letter-spacing:-.06em;color:var(--lime-deep);pointer-events:none;-webkit-user-select:none;user-select:none;font-size:clamp(4.5rem,20vw,12rem);font-weight:900;line-height:1;position:absolute;bottom:-.22em;right:-.06em}.callout>:not(.callout__word){z-index:1;position:relative}.page-head{padding-block:56px 40px}.page-head h1{max-width:12em}.six{border-top:2px solid var(--ink);border-left:2px solid var(--ink);grid-template-columns:repeat(3,1fr);margin-top:48px;display:grid}.six a{border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);letter-spacing:-.05em;flex-direction:column;justify-content:space-between;gap:18px;min-height:108px;padding:14px 14px 16px;font-size:clamp(1.75rem,7vw,3.25rem);font-weight:900;line-height:1;transition:background-color .18s;display:flex}.six a span{font-size:var(--step--1);letter-spacing:.02em;color:var(--violet);font-weight:700}.six a:hover{background:var(--lime)}.rules{padding-bottom:72px}.rule{border-top:2px solid var(--ink);gap:24px;padding-block:48px;scroll-margin-top:80px;display:grid}.rule__no{letter-spacing:-.06em;color:var(--lime-deep);margin-bottom:12px;font-size:clamp(3rem,12vw,5.5rem);font-weight:900;line-height:.9;display:block}.rule__head .eyebrow{margin-bottom:10px}.rule__no--ink{color:var(--violet)}.rule__body{gap:28px;display:grid}.rule__who{font-size:var(--step--1);color:var(--ink-faint);letter-spacing:.02em;margin-bottom:4px;font-weight:750}.rule__points{counter-reset:pt;gap:0;display:grid}.rule__points li{border-bottom:1px solid var(--line);color:var(--ink-soft);font-size:var(--step-1);padding:16px 0 16px 34px;line-height:1.6;position:relative}.rule__points li:before{content:"";background:radial-gradient(circle at 6px 6px, transparent 3px, var(--ink) 3.5px, var(--ink) 5px, transparent 5.5px), radial-gradient(circle at 12px 6px, var(--lime) 4px, var(--ink) 4.5px, var(--ink) 6px, transparent 6.5px);width:18px;height:12px;position:absolute;top:23px;left:0}.status{gap:40px;margin-top:48px;display:grid}.status h3{font-size:var(--step-1);color:var(--dark-soft);margin-bottom:12px;font-weight:750}.status li{border-bottom:1px solid var(--dark-line);font-size:var(--step-1);padding-block:14px;font-weight:650}.status li:before{content:"●";color:var(--lime);vertical-align:.15em;margin-right:12px;font-size:.7em}.status__next li{color:var(--dark-soft)}.status__next li:before{content:"○";color:var(--dark-soft)}.footer{border-top:1px solid var(--line);font-size:var(--step--1);color:var(--ink-soft);padding-block:40px 56px}.footer__inner{gap:20px;display:grid}.footer__brand{color:var(--ink);align-items:center;gap:8px;display:flex}.footer__brand strong{letter-spacing:-.03em;font-size:1rem;font-weight:850}.footer__brand span{color:var(--ink-faint)}.footer__meta{flex-wrap:wrap;gap:8px 28px;display:flex}.footer__meta div{gap:8px;display:flex}.footer__meta dt{color:var(--ink-faint)}.footer__meta a,.footer__note a{border-bottom:1px solid var(--line)}@media (max-width:860px){.masthead__nav .hide-sm{display:none}}@media (max-width:480px){.masthead__nav a[href="/ring/platform"]{display:none}}@media (max-width:560px){.masthead__nav a:not(.pill){padding-inline:8px}.masthead__nav .pill{padding-inline:12px}.btn-row .btn{flex:100%}.rings__me{width:46px;height:46px;font-size:.8125rem}}@media (min-width:880px){:root{--gutter:40px}.section{padding-block:128px}.section--tight{padding-block:32px 128px}.hero{grid-template-columns:1.15fr .85fr;min-height:calc(100svh - 64px);padding-block:88px 120px}.split{grid-template-columns:.8fr 1.2fr;gap:80px}.index-list li{grid-template-columns:72px 1fr 1.1fr;align-items:baseline;gap:24px}.index-list p{margin-top:0}.flow{grid-template-columns:repeat(4,1fr);gap:32px;margin-top:72px}.flow:before{width:auto;height:2px;inset:11px 12px auto}.flow li{padding:52px 0 0}.flow__node{top:0}.promises li{grid-template-columns:1.4fr 1fr;align-items:end;gap:48px;padding-block:40px}.callout{grid-template-columns:1fr auto;min-height:380px;padding:64px 64px 72px}.callout__word{font-size:13rem}.page-head{padding-block:96px 56px}.rule{grid-template-columns:.9fr 1.1fr;gap:64px;padding-block:72px}.six{grid-template-columns:repeat(6,1fr)}.six a{min-height:168px;padding:18px 18px 22px;font-size:clamp(2.25rem,3.6vw,3.5rem)}.status{grid-template-columns:1fr 1fr;gap:64px}.footer__inner{grid-template-columns:auto 1fr;align-items:center;column-gap:48px}.footer__note{grid-column:1/-1}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ring-site *,.ring-site :before,.ring-site :after{transition:none!important;animation:none!important}}