:root {
  color-scheme: light;
  --ink: #191c1c;
  --muted: #555e5c;
  --paper: #ffffff;
  --soft: #f1f5f4;
  --line: #d6deda;
  --teal: #08766b;
  --teal-hover: #065d55;
  --teal-light: #8ae0cf;
  --rail-width: 72px;
  --gutter: 48px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-synthesis: none;
  font-size: 16px;
  letter-spacing: 0;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button, summary { touch-action: manipulation; }
button { cursor: pointer; }
button, a { text-underline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 550; text-wrap: balance; }
p { text-wrap: pretty; }
h2 { font-size: 48px; line-height: 1.12; }
h3 { font-size: 24px; line-height: 1.3; }
::selection { color: var(--ink); background: #b6e8dc; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
main:focus { outline: none; }
section[id] { scroll-margin-top: 28px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 88px; padding: 10px 18px; background: var(--ink); color: white; z-index: 100; transform: translateY(-180%); border-radius: 4px; }
.skip-link:focus { transform: translateY(0); }
.icon { flex: 0 0 auto; width: 20px; height: 20px; }
.icon-inverse { filter: brightness(0) invert(1); }
.icon-down { transform: rotate(90deg); }
.page-width { width: 100%; max-width: 1584px; padding-inline: var(--gutter); margin-inline: auto; }
.site-shell { margin-left: var(--rail-width); min-width: 0; }
.section-space { padding-block: 100px; }

.brand-rail { position: fixed; z-index: 30; inset: 0 auto 0 0; width: var(--rail-width); display: flex; align-items: center; flex-direction: column; background: var(--ink); color: white; }
.rail-brand { display: flex; align-items: center; height: 88px; font-size: 23px; font-weight: 700; line-height: 1; }
.brand-point { color: var(--teal-light); }
.rail-nav { display: grid; gap: 12px; margin-top: 38px; }
.rail-link { position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 4px; color: white; transition: background-color 160ms ease; }
.rail-link img { filter: brightness(0) invert(1); opacity: .65; }
.rail-link:hover, .rail-link[aria-current="page"] { background: #303c39; }
.rail-link:hover img, .rail-link[aria-current="page"] img { opacity: 1; }
.rail-link[aria-current="page"]::before { content: ""; position: absolute; left: -14px; top: 12px; width: 3px; height: 20px; background: var(--teal-light); }
.rail-tooltip { position: absolute; left: 54px; top: 50%; transform: translateY(-50%); visibility: hidden; width: max-content; max-width: 210px; padding: 6px 12px; background: var(--ink); color: white; border: 1px solid #53605c; border-radius: 4px; font-size: 13px; font-weight: 500; pointer-events: none; }
.rail-link:hover .rail-tooltip, .rail-link:focus-visible .rail-tooltip { visibility: visible; }
.rail-note { margin-top: auto; padding-block: 28px; writing-mode: vertical-rl; transform: rotate(180deg); font-size: 11px; color: #aebbb7; }
.rail-bottom { margin-block: 20px; flex-shrink: 0; }
.brand-rail :focus-visible { outline-color: var(--teal-light); }

.site-header { display: flex; align-items: center; gap: 32px; min-height: 88px; border-bottom: 1px solid var(--line); background: var(--paper); }
.wordmark { display: inline-flex; align-items: center; flex-shrink: 0; gap: 9px; font-size: 16px; font-weight: 650; line-height: 1.2; }
.mobile-brand { display: none; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 30px; margin-left: auto; font-size: 14px; font-weight: 500; }
.site-nav > a { display: flex; align-items: center; min-height: 44px; }
.site-nav > a:hover, .site-footer nav a:hover, .contents-nav a:hover { text-decoration: underline; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 13px 22px; border: 1px solid transparent; border-radius: 4px; font-size: 15px; font-weight: 600; line-height: 1.35; text-align: center; transition: background-color 160ms ease, border-color 160ms ease; }
.button-small { min-height: 44px; padding: 11px 16px; gap: 12px; font-size: 13px; white-space: nowrap; }
.button-small .icon { width: 18px; height: 18px; }
.button-primary { background: var(--teal); color: white; }
.button-primary:hover { background: var(--teal-hover); }
.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: #35423e; }
.text-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font-size: 14px; font-weight: 550; line-height: 1.5; }
.text-link:hover { text-decoration: underline; }
.menu-toggle { display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 4px; background: white; }
.menu-close-icon, .menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
.menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }

.hero { position: relative; isolation: isolate; padding-block: 58px 36px; background: white; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background-image: url("/assets/workspace-preview.png"); background-position: center 32%; background-size: cover; opacity: .09; }
.hero-content { position: relative; }
.hero h1 { font-size: 124px; line-height: 1.04; font-weight: 550; white-space: nowrap; }
.hero-statement { margin-top: 28px; font-size: 29px; line-height: 1.28; font-weight: 500; }
.hero-description { max-width: 570px; margin-top: 17px; font-size: 18px; line-height: 1.6; color: #424b48; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 28px; margin-top: 28px; }
.hero-note { margin-top: 14px; font-size: 12px; line-height: 1.7; color: #4c5752; }

.product-section { padding-top: 18px; padding-bottom: 74px; }
.figure-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 16px; border-top: 1px solid var(--line); font-size: 14px; font-weight: 500; }
.figure-label { flex-shrink: 0; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; color: var(--muted); }
.product-image-link { display: block; }
.product-image { width: 100%; height: auto; object-fit: contain; background: var(--soft); }
.product-figure figcaption { display: flex; justify-content: space-between; align-items: center; gap: 12px 32px; padding-block: 13px; font-size: 12px; line-height: 1.7; color: var(--muted); }
.product-figure figcaption .text-link { flex-shrink: 0; font-size: 12px; color: var(--ink); }
.product-principles { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px 24px; margin-top: 16px; padding-top: 24px; border-top: 1px solid var(--line); }
.product-principles > span { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; }
.product-principles .icon { width: 18px; height: 18px; }

.section-label { margin-bottom: 22px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; font-weight: 500; line-height: 1.6; color: var(--teal); }
.section-heading { margin-bottom: 54px; }
.section-intro { margin-top: 22px; font-size: 17px; color: var(--muted); }
.workflow-section { background: var(--soft); }
.workflow-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; list-style: none; margin: 0; padding: 0; }
.workflow-list li { display: flex; align-items: flex-start; flex-direction: column; padding-top: 22px; border-top: 1px solid #b8c9c2; }
.step-number { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; font-weight: 500; line-height: 1.3; color: var(--teal); }
.workflow-list h3 { margin-top: 30px; font-size: 25px; }
.workflow-list p { margin-top: 15px; font-size: 15px; line-height: 1.8; color: var(--muted); }
.step-result { display: inline-flex; align-items: center; gap: 9px; margin-top: auto; padding-top: 25px; font-size: 12px; font-weight: 600; }
.step-result .icon { width: 18px; height: 18px; }

.use-cases-section .section-heading { margin-bottom: 50px; }
.use-case { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(260px, 1.5fr) minmax(185px, .85fr); align-items: start; gap: 36px; padding-block: 36px; border-top: 1px solid var(--line); }
.use-case:last-child { border-bottom: 1px solid var(--line); }
.use-case-title { display: flex; align-items: flex-start; gap: 17px; }
.use-case-icon { flex-shrink: 0; width: 25px; height: 25px; margin-top: 2px; }
.use-case h3 { max-width: 250px; font-size: 21px; }
.use-case > p { max-width: 520px; font-size: 15px; line-height: 1.8; color: var(--muted); }
.use-case .use-case-outcome { font-size: 12px; line-height: 1.8; }
.use-case-outcome strong { display: inline-block; padding-top: 7px; color: var(--ink); font-size: 14px; font-weight: 500; }

.local-section { color: white; background: var(--ink); }
.local-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.local-section .section-label { color: var(--teal-light); }
.local-section h2 { font-size: 56px; }
.local-intro { max-width: 390px; margin-top: 26px; color: #bbc7c2; font-size: 18px; }
.light-link { margin-top: 34px; color: white; }
.local-section :focus-visible { outline-color: var(--teal-light); }
.boundary-list { margin: 0; }
.boundary-list > div { border-top: 1px solid #47534e; padding-block: 25px; }
.boundary-list > div:first-child { padding-top: 22px; }
.boundary-list > div:last-child { padding-bottom: 0; }
.boundary-list dt { font-size: 20px; font-weight: 500; }
.boundary-list dd { margin: 10px 0 0; color: #bbc7c2; font-size: 15px; line-height: 1.8; }

.faq-section { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; }
.faq-heading > p:last-child { max-width: 310px; margin-top: 24px; font-size: 16px; color: var(--muted); }
.faq-list { min-width: 0; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; padding-block: 22px; list-style: none; font-size: 17px; font-weight: 500; line-height: 1.5; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .icon { width: 20px; height: 20px; }
.faq-list details[open] summary .icon { transform: rotate(90deg); }
.faq-list summary:hover { color: var(--teal); }
.faq-answer { padding: 0 42px 26px 0; color: var(--muted); font-size: 15px; line-height: 1.8; }

.closing-section { padding-block: 76px; background: var(--soft); border-block: 1px solid var(--line); }
.closing-layout { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.closing-layout h2 { font-size: 44px; }
.closing-layout p { margin-top: 20px; font-size: 16px; color: var(--muted); }
.closing-action { display: flex; align-items: flex-start; flex-direction: column; flex-shrink: 0; gap: 15px; }
.closing-action > span { font-size: 11px; color: var(--muted); }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 30px; padding-block: 40px; }
.footer-brand { font-size: 16px; font-weight: 650; line-height: 1.4; }
.footer-brand > span { display: block; margin-top: 8px; font-size: 11px; font-weight: 400; color: var(--muted); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 30px; }
.site-footer nav a { display: flex; align-items: center; min-height: 44px; font-size: 12px; }
.footer-edition { width: 100%; padding-top: 25px; border-top: 1px solid var(--line); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; color: var(--muted); }

.privacy-heading { padding-block: 38px 68px; }
.back-link { margin-bottom: 45px; font-size: 13px; }
.back-link .icon { transform: rotate(180deg); order: -1; width: 18px; height: 18px; }
.privacy-heading h1 { font-size: 88px; line-height: 1.05; }
.privacy-lede { margin-top: 26px; font-size: 23px; line-height: 1.5; }
.edition-note { margin-top: 20px; color: var(--muted); font-size: 12px; }
.privacy-layout { display: grid; grid-template-columns: 240px minmax(0, 780px); gap: 72px; align-items: start; padding-bottom: 100px; }
.contents-nav { position: sticky; top: 32px; border-top: 1px solid var(--line); padding-top: 25px; }
.contents-nav .section-label { margin-bottom: 14px; }
.contents-nav a { display: flex; align-items: center; width: fit-content; min-height: 44px; font-size: 13px; color: var(--muted); }
.privacy-content section { padding-block: 34px; border-top: 1px solid var(--line); }
.privacy-content section:first-child { padding-top: 24px; }
.privacy-content h2 { font-size: 29px; line-height: 1.25; }
.privacy-content p { margin-top: 20px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.data-locations { margin-block: 28px; }
.data-locations > div { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding-block: 15px; border-bottom: 1px solid var(--line); font-size: 14px; }
.data-locations dt { font-weight: 500; }
.data-locations dd { margin: 0; color: var(--muted); }
.privacy-closing h2 { max-width: 580px; font-size: 38px; }

@media (min-width: 1440px) {
  :root { --gutter: 64px; }
  .hero h1 { font-size: 148px; }
  .hero { padding-top: 64px; }
  .hero-statement { font-size: 32px; }
}

@media (max-width: 1199px) {
  :root { --gutter: 36px; }
  .site-header { gap: 22px; }
  .site-nav { gap: 20px; font-size: 13px; }
  .hero h1 { font-size: 98px; }
  .workflow-list { gap: 28px; }
  .workflow-list h3 { font-size: 22px; }
  .use-case { grid-template-columns: minmax(180px, 1fr) minmax(230px, 1.4fr); gap: 20px 32px; }
  .use-case .use-case-outcome { grid-column: 2; }
  .use-case-outcome br { display: none; }
  .use-case-outcome strong { padding-top: 0; margin-left: 7px; }
  .local-layout, .faq-section { gap: 44px; }
  .local-section h2 { font-size: 48px; }
  .closing-layout h2 { font-size: 38px; }
  .privacy-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 44px; }
  .data-locations > div { grid-template-columns: 150px minmax(0, 1fr); gap: 20px; }
}

@media (min-width: 800px) and (max-width: 999px) {
  :root { --rail-width: 60px; --gutter: 28px; }
  .rail-link[aria-current="page"]::before { left: -8px; }
  .site-header { gap: 16px; }
  .wordmark { font-size: 14px; }
  .site-nav { gap: 14px; font-size: 12px; }
  .button-small { padding-inline: 12px; font-size: 12px; gap: 8px; }
  .hero h1 { font-size: 80px; }
  .hero-statement { font-size: 27px; }
  h2 { font-size: 40px; }
  .workflow-list { gap: 22px; }
  .workflow-list h3 { font-size: 20px; }
  .step-result { font-size: 11px; }
  .faq-section { grid-template-columns: 1fr 1.3fr; gap: 32px; }
  .local-section h2 { font-size: 42px; }
  .closing-layout h2 { font-size: 32px; }
}

@media (max-width: 799px) {
  :root { --gutter: 28px; --rail-width: 0px; }
  .brand-rail { display: none; }
  .skip-link { left: 20px; }
  .site-header { display: grid; grid-template-columns: 1fr auto; gap: 0 20px; min-height: 76px; padding-block: 15px; }
  .mobile-brand { display: inline; font-size: 22px; font-weight: 750; }
  .mobile-brand .brand-point { color: var(--teal); }
  .wordmark { font-size: 14px; }
  .header-actions { grid-column: 2; grid-row: 1; gap: 10px; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; display: flex; justify-content: flex-start; flex-wrap: wrap; gap: 6px 28px; margin: 15px 0 0; padding-top: 12px; border-top: 1px solid var(--line); font-size: 14px; }
  .site-nav > a { min-height: 44px; }
  .hero { padding-block: 42px 26px; }
  .hero h1 { font-size: 72px; }
  .hero-statement { margin-top: 24px; font-size: 28px; }
  .hero-description { max-width: 510px; font-size: 17px; }
  .hero-actions { margin-top: 24px; }
  .product-section { padding-top: 12px; padding-bottom: 54px; }
  .figure-heading { font-size: 12px; }
  .figure-label { display: none; }
  .product-principles { gap: 16px 28px; justify-content: flex-start; }
  .product-principles > span { font-size: 12px; }
  .section-space { padding-block: 70px; }
  h2 { font-size: 38px; }
  .section-heading { margin-bottom: 36px; }
  .section-label { margin-bottom: 18px; }
  .section-intro { font-size: 16px; }
  .workflow-list { grid-template-columns: 1fr; gap: 30px; }
  .workflow-list li { position: relative; padding-top: 24px; padding-left: 55px; }
  .step-number { position: absolute; left: 0; top: 31px; }
  .workflow-list h3 { margin-top: 0; font-size: 25px; }
  .workflow-list p { max-width: 530px; margin-top: 12px; }
  .step-result { padding-top: 17px; }
  .use-case { grid-template-columns: minmax(150px, .8fr) minmax(0, 1.2fr); padding-block: 28px; }
  .use-case-title { gap: 12px; }
  .use-case h3 { font-size: 20px; }
  .use-case > p { font-size: 14px; }
  .local-layout { grid-template-columns: 1fr; gap: 42px; }
  .local-section h2 { font-size: 44px; }
  .local-intro { max-width: 500px; }
  .light-link { margin-top: 22px; }
  .faq-section { grid-template-columns: 1fr; gap: 34px; }
  .faq-heading br { display: none; }
  .faq-heading > p:last-child { max-width: none; margin-top: 18px; }
  .faq-list summary { min-height: 74px; font-size: 16px; }
  .closing-layout { align-items: flex-start; flex-direction: column; gap: 30px; }
  .closing-layout h2 { font-size: 38px; }
  .closing-action { gap: 12px; }
  .site-footer { padding-block: 32px; }
  .privacy-heading { padding-block: 24px 46px; }
  .back-link { margin-bottom: 32px; }
  .privacy-heading h1 { font-size: 66px; }
  .privacy-lede { font-size: 20px; }
  .privacy-layout { grid-template-columns: 1fr; gap: 30px; padding-bottom: 60px; }
  .contents-nav { position: static; display: flex; flex-wrap: wrap; gap: 2px 24px; }
  .contents-nav .section-label { width: 100%; margin-bottom: 6px; }
  .privacy-content h2 { font-size: 28px; }
  .privacy-content p { font-size: 15px; }
  .data-locations > div { grid-template-columns: 180px minmax(0, 1fr); }
}

@media (max-width: 639px) {
  :root { --gutter: 24px; }
  .hero h1 { font-size: 56px; }
  .hero-statement { font-size: 26px; }
  .hero-description { max-width: 430px; }
  .hero-actions { gap: 8px 20px; }
  .product-figure figcaption { align-items: flex-start; flex-direction: column; gap: 0; }
  .product-figure figcaption > span { max-width: 390px; }
  .product-principles { display: grid; gap: 13px; margin-top: 10px; padding-top: 22px; }
  h2 { font-size: 33px; }
  .section-space { padding-block: 58px; }
  .section-heading h2 br { display: none; }
  .use-cases-section .section-heading { margin-bottom: 32px; }
  .use-case { grid-template-columns: 1fr; gap: 17px; }
  .use-case h3 { max-width: none; }
  .use-case .use-case-outcome { grid-column: 1; }
  .use-case-outcome strong { margin-left: 5px; }
  .local-section h2 { font-size: 40px; }
  .local-intro { font-size: 17px; }
  .boundary-list dt { font-size: 19px; }
  .faq-answer { padding-right: 24px; }
  .closing-layout h2 { font-size: 34px; }
  .closing-layout p { max-width: 360px; font-size: 15px; }
  .site-footer nav { width: 100%; gap: 24px; }
  .footer-edition { padding-top: 20px; }
  .privacy-heading h1 { font-size: 58px; }
  .privacy-lede { font-size: 19px; }
  .privacy-lede br { display: none; }
  .data-locations > div { grid-template-columns: 1fr; gap: 5px; }
}

@media (max-width: 479px) {
  :root { --gutter: 20px; }
  .wordmark-name { display: none; }
  .site-header { gap: 0 14px; }
  .header-actions { gap: 8px; }
  .button-small { padding-inline: 12px; gap: 10px; font-size: 12px; }
  .hero h1 { font-size: 42px; }
  .hero-statement { font-size: 24px; }
  .hero-description { font-size: 16px; }
  .hero-actions .button { min-height: 50px; padding-inline: 18px; font-size: 14px; gap: 13px; }
  .hero-actions .text-link { font-size: 12px; gap: 8px; }
  .hero-note { font-size: 11px; }
  .figure-heading { font-size: 11px; }
  .workflow-list li { padding-left: 40px; }
  .workflow-list h3 { font-size: 23px; }
  .workflow-list p { font-size: 14px; }
  .step-result { font-size: 11px; }
  .faq-list summary { font-size: 15px; }
  .privacy-heading h1 { font-size: 50px; }
  .privacy-content h2 { font-size: 26px; }
  .privacy-closing h2 { font-size: 32px; }
}

@media (max-width: 359px) {
  .hero h1 { font-size: 36px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 4px; }
  h2, .closing-layout h2 { font-size: 30px; }
  .hero-statement { font-size: 22px; }
  .privacy-heading h1 { font-size: 44px; }
  .site-nav { gap: 6px 20px; }
}

@media (max-height: 600px) {
  .rail-note { display: none; }
  .rail-nav { margin-top: 16px; }
  .rail-bottom { margin-top: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}