:root {
  --paper: #edece5;
  --paper-deep: #deddd4;
  --night: #0b0d0c;
  --raised: #121512;
  --lime: #c7ff45;
  --muted: #5f655e;
  --line: rgba(16, 18, 16, .18);
  --dark-line: rgba(237, 236, 229, .16);
  --sans: "Manrope", system-ui, sans-serif;
  --mono: "DM Mono", monospace;
  --jp: "Noto Sans JP", sans-serif;
  --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: #101210; font: 16px/1.6 var(--sans); }
html:lang(ja) body { font-family: var(--jp); }
a { color: inherit; }
button, input, select { font: inherit; }
body [lang="ja"], body.ja [lang="en"] { display: none; }
html[data-language="ja"] [lang="ja"] { display: inline; }
html[data-language="ja"] [lang="en"] { display: none; }
.skip { position: fixed; top: 8px; left: 8px; z-index: 9; transform: translateY(-150%); padding: 10px; background: var(--lime); }
.skip:focus { transform: none; }
.mono { font-family: var(--mono); letter-spacing: .06em; font-size: 10px; }
.atlas-header { position: sticky; top: 0; z-index: 8; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 0 clamp(22px, 5vw, 72px); border-bottom: 1px solid var(--line); background: rgba(237, 236, 229, .95); backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font: 500 13px var(--mono); letter-spacing: .18em; }
.brand svg { width: 28px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.section-nav { display: flex; align-items: center; gap: clamp(10px, 1.7vw, 24px); }
.section-nav a { font-size: 11px; text-decoration: none; }
.section-nav a[aria-current="true"], .section-nav a:hover { color: #596f16; }
.section-nav button { min-height: 44px; border: 0; background: none; color: var(--muted); cursor: pointer; font: 11px var(--mono); }
.mobile-rail, .mobile-language-toggle { display: none; }
.mobile-language-toggle { min-height: 44px; border: 1px solid var(--line); padding: 0 12px; background: transparent; color: var(--night); font: 11px var(--mono); cursor: pointer; }
.atlas-hero { min-height: 650px; padding: clamp(90px, 12vw, 165px) max(24px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 20px; color: var(--muted); }
.atlas-hero h1 { max-width: 950px; margin: 0; font-size: clamp(65px, 11vw, 160px); font-weight: 500; line-height: .86; letter-spacing: -.085em; }
.atlas-hero h1 em { color: var(--muted); font-style: normal; }
.lede { max-width: 650px; margin: 46px 0 0; font-size: clamp(18px, 2vw, 26px); }
.dates { display: flex; flex-wrap: wrap; gap: 14px 40px; margin-top: 42px; color: var(--muted); }
.hero-links { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 28px; font-family: var(--mono); font-size: 12px; }
section { padding: clamp(70px, 9vw, 130px) max(24px, calc((100vw - var(--max)) / 2)); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(260px, .95fr); gap: 50px; align-items: end; margin-bottom: 50px; }
.section-heading h2 { max-width: 700px; margin: 0; font-size: clamp(38px, 5vw, 72px); font-weight: 500; line-height: .95; letter-spacing: -.06em; }
.section-heading > p:last-child { max-width: 500px; margin: 0; color: var(--muted); }
.stack-section, .ecosystem-section, .terms-section, .sources-section { background: var(--paper); }
.stack-plate { max-width: 980px; margin-left: auto; padding: 24px; background: var(--night); color: var(--paper); }
.stack-plate-label { margin: 0 0 18px; color: var(--lime); }
.stack-layers { display: grid; gap: 1px; margin: 0; padding: 0; list-style: none; background: var(--dark-line); }
.stack-layers li { display: grid; grid-template-columns: 44px minmax(155px, .65fr) minmax(0, 1.35fr); gap: 16px; align-items: center; padding: 15px 18px; background: var(--raised); }
.stack-layers li:nth-child(4n + 2) { border-left: 2px solid var(--lime); }
.stack-layers strong { font-weight: 500; font-size: 15px; }
.stack-index { color: var(--lime); }
.stack-orientation { color: #aeb2ac; font-size: 12px; line-height: 1.55; }
.stack-notes { max-width: 980px; margin: 16px 0 0 auto; padding: 14px 0; }
.stack-notes summary { color: #596f16; }
.stack-examples { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 16px 0 0; padding: 0; list-style: none; background: var(--line); }
.stack-examples li { padding: 13px 16px; background: var(--paper); font: 11px var(--mono); }
.disclaimer { max-width: 980px; margin: 12px 0 0 auto; color: var(--muted); font-size: 13px; }
.principle-section, .synthesis, .watch-section { background: var(--night); color: var(--paper); }
.principle-section .section-heading > p:last-child, .watch-section .section-heading > p:last-child { color: #aeb2ac; }
.principle-diagram { max-width: 980px; margin-left: auto; padding-top: 20px; border-top: 1px solid var(--dark-line); }
.principle-track { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.principle-node, .principle-destination { display: grid; gap: 12px; padding: 25px; border: 1px solid var(--dark-line); }
.principle-node .mono, .principle-destination .mono { color: var(--lime); }
.principle-node strong, .principle-destination strong { font-size: clamp(19px, 2.4vw, 29px); font-weight: 500; line-height: 1.2; }
.principle-node > span:last-child { color: #aeb2ac; font-size: 13px; }
.principle-join { padding: 7px; text-align: center; color: var(--lime); font: 25px var(--mono); letter-spacing: .8em; }
.principle-destination { border-color: var(--lime); background: var(--raised); }
.ecosystem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--line); }
.ecosystem-card { min-height: 280px; padding: 28px; background: var(--paper); border: 1px solid transparent; }
.ecosystem-card:hover { border-color: #889e34; }
.ecosystem-card header { display: grid; gap: 10px; }
.ecosystem-card header p { margin: 0; color: var(--muted); }
.ecosystem-card h3 { margin: 0; font-size: 26px; font-weight: 500; line-height: 1.05; }
.ecosystem-card > p { color: var(--muted); }
.ecosystem-role { font-size: 12px; }
.type-chip { width: fit-content; padding: 4px 7px; border: 1px solid var(--line); font: 10px var(--mono); }
.terms-section { background: var(--paper-deep); }
.filters { display: grid; grid-template-columns: minmax(220px, 1.8fr) repeat(3, minmax(130px, 1fr)) auto; gap: 12px; align-items: end; padding: 18px; background: var(--night); color: var(--paper); }
.filters label { display: grid; gap: 7px; font: 10px var(--mono); color: var(--muted); }
.filters input, .filters select { width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--dark-line); border-radius: 0; background: transparent; color: var(--paper); font-size: 13px; }
.filters option { color: #101210; }
.filters input:focus, .filters select:focus { outline: 2px solid var(--lime); outline-offset: 2px; }
#result-count { white-space: nowrap; color: var(--lime); }
.term-group { margin-top: 56px; }
.group-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.group-heading h3 { margin: 0; font-size: 30px; font-weight: 500; }
.group-heading p:last-child { max-width: 340px; margin: 0; color: var(--muted); }
.group-kicker { margin: 0 0 5px; color: var(--muted); }
.term-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.term-card { min-height: 270px; padding: 20px; background: var(--paper); border: 1px solid rgba(16, 18, 16, .15); }
.term-card[hidden], .term-group[hidden] { display: none; }
.term-meta { display: flex; justify-content: space-between; gap: 15px; color: var(--muted); }
.status { color: #596f16; }
.term-card h3 { margin: 28px 0 14px; font-size: 22px; font-weight: 500; line-height: 1.08; }
.term-definition { min-height: 76px; }
.term-why { color: var(--muted); font-size: 13px; }
.term-why strong { display: block; margin-bottom: 5px; font: 10px var(--mono); color: #596f16; }
details { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
summary { cursor: pointer; font: 10px var(--mono); color: #596f16; }
details p { margin: 10px 0 0; }
.synthesis .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin-top: 45px; }
.compare > div { min-height: 190px; padding: 26px; border: 1px solid var(--dark-line); }
.compare > div:last-child { color: var(--lime); }
.compare h3 { margin: 16px 0 4px; font-size: clamp(21px, 2.8vw, 34px); font-weight: 500; line-height: 1.15; }
.compare p { max-width: 440px; color: #aeb2ac; }
.synthesis-caveat { max-width: 760px; margin: 22px 0 0; color: #aeb2ac; }
.watch-history { margin-top: 62px; padding-top: 24px; border-top: 1px solid var(--dark-line); }
.watch-history h3 { margin: 0 0 16px; color: #101210; font: 11px var(--mono); letter-spacing: .06em; }
.changelog { margin: 0; padding: 0; list-style: none; }
.changelog li { display: grid; grid-template-columns: 140px 160px minmax(0, 1fr); gap: 16px; align-items: baseline; padding: 17px 0; border-top: 1px solid var(--dark-line); }
.changelog time, .changelog strong { font: 11px var(--mono); }
.changelog time { color: #aeb2ac; }
.changelog li > span { font-size: 13px; }
.eval-loop { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; padding: 0; list-style: none; counter-reset: loop; }
.eval-loop li { min-height: 130px; padding: 18px; border: 1px solid var(--dark-line); color: #101210; font: 11px var(--mono); }
.eval-loop li::before { display: block; margin-bottom: 25px; color: #aeb2ac; content: "0" counter(loop); counter-increment: loop; }
.text-equivalent { color: #aeb2ac; font-family: var(--mono); font-size: 12px; }
.placeholder-section { border-top: 1px solid var(--line); }
.placeholder-section h2 { max-width: 640px; margin: 0; font-size: clamp(38px, 5vw, 68px); font-weight: 500; line-height: .95; letter-spacing: -.06em; }
.placeholder-section p:last-child { max-width: 520px; color: var(--muted); }
.source-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.source-list li { display: grid; gap: 4px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.source-list a { font-weight: 600; }
.source-list span { color: var(--muted); font: 11px var(--mono); }
footer { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 30px max(24px, calc((100vw - var(--max)) / 2)); background: var(--night); color: var(--paper); font: 11px var(--mono); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
@media (max-width: 1120px) { .section-nav { display: none; } .mobile-language-toggle { display: block; } .mobile-rail { position: sticky; top: 76px; z-index: 7; display: flex; gap: 18px; overflow-x: auto; padding: 12px 22px; border-bottom: 1px solid var(--line); background: rgba(237,236,229,.96); white-space: nowrap; } .mobile-rail a { font: 10px var(--mono); text-decoration: none; } .mobile-rail a[aria-current="true"] { color: #596f16; } }
@media (max-width: 1050px) { .term-grid { grid-template-columns: repeat(2, 1fr); } .eval-loop { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 900px) { .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); } .filters label:first-child, #result-count { grid-column: 1 / -1; } }
@media (max-width: 760px) { .atlas-header { min-height: 64px; } .section-nav { display: none; } .mobile-rail { position: sticky; top: 64px; z-index: 7; display: flex; gap: 18px; overflow-x: auto; padding: 12px 22px; border-bottom: 1px solid var(--line); background: rgba(237,236,229,.96); white-space: nowrap; } .mobile-rail a { font: 10px var(--mono); text-decoration: none; } .mobile-rail a[aria-current="true"] { color: #596f16; } .atlas-hero { min-height: 550px; padding-top: 90px; } .atlas-hero h1 { font-size: clamp(58px, 17vw, 100px); } .dates { display: grid; gap: 10px; } .section-heading, .synthesis .compare { grid-template-columns: 1fr; gap: 22px; } .principle-track { grid-template-columns: 1fr; } .stack-layers li { grid-template-columns: 34px minmax(0, 1fr); gap: 7px 12px; } .stack-orientation { grid-column: 2; } .changelog li { grid-template-columns: 1fr; gap: 5px; } .ecosystem-grid, .term-grid, .stack-examples { grid-template-columns: 1fr; } .filters { grid-template-columns: 1fr 1fr; } .filters label:first-child { grid-column: 1 / -1; } #result-count { grid-column: 1 / -1; } .group-heading { display: grid; gap: 10px; } .eval-loop { grid-template-columns: repeat(2, 1fr); } footer { display: grid; } }
@media (max-width: 390px) { .atlas-hero h1 { font-size: 58px; } .filters { grid-template-columns: 1fr; } .filters label:first-child, #result-count { grid-column: auto; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }
.radar-section, .adoption-section { background: var(--paper-deep); }
.radar-audit { margin: 30px 0 24px; padding: 22px; border: 1px solid var(--dark-line); background: var(--night); color: var(--paper); }
.radar-audit > header { display: flex; justify-content: space-between; gap: 20px; align-items: start; }
.radar-audit > header p, .radar-audit > header h3 { margin: 0; }
.radar-audit > header h3 { margin-top: 8px; font-size: clamp(20px, 2.5vw, 30px); font-weight: 500; }
.radar-audit > p { max-width: 850px; color: #aeb2ac; font-size: 13px; }
.radar-audit .status-current, .radar-audit .status-checked { color: var(--lime); }
.radar-audit .status-skipped, .radar-audit .status-failed, .radar-audit .status-stale, .radar-audit .status-unavailable { color: #f4b860; }
.radar-audit-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 20px; background: var(--dark-line); }
.radar-audit-item { display: grid; gap: 7px; min-width: 0; padding: 14px; background: var(--raised); }
.radar-audit-item > span:first-child { color: var(--lime); font-size: 10px; }
.radar-audit-item strong { font-size: 14px; }
.radar-audit-item time, .radar-audit-item > span:last-child { overflow-wrap: anywhere; color: #aeb2ac; font: 10px var(--mono); }
.radar-audit-note { margin: 16px 0 0; padding-left: 12px; border-left: 2px solid #f4b860; }
.radar-audit-note strong { color: #f4b860; }
.radar-audit-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.radar-audit-details details { min-width: 0; margin: 0; border-color: var(--dark-line); }
.radar-audit-details summary { padding: 10px 0; color: var(--lime); cursor: pointer; font-size: 12px; }
.radar-audit-details h4 { margin: 18px 0 8px; color: var(--paper); font-size: 13px; }
.radar-audit-details code { overflow-wrap: anywhere; color: #d6dacd; font: 11px var(--mono); }
.radar-audit-list, .radar-audit-findings { margin: 12px 0 0; padding-left: 18px; }
.radar-audit-list li, .radar-audit-findings li { margin-top: 8px; color: #aeb2ac; font-size: 12px; }
.radar-audit-list li > span, .radar-audit-list li > time { margin-left: 8px; }
.radar-audit-list p, .radar-audit-findings p { margin: 4px 0 0; }
.radar-audit-findings .mono { color: var(--lime); font-size: 10px; }
.radar-controls { display: grid; grid-template-columns: minmax(220px, 1.8fr) repeat(2, minmax(150px, 1fr)) auto; gap: 12px; align-items: end; padding: 18px; background: var(--night); color: var(--paper); }
.radar-controls label { display: grid; gap: 7px; font: 10px var(--mono); color: #aeb2ac; }
.radar-controls input, .radar-controls select { width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--dark-line); border-radius: 0; background: transparent; color: var(--paper); font-size: 13px; }
.radar-controls option { color: #101210; }
.radar-controls input:focus, .radar-controls select:focus { outline: 2px solid var(--lime); outline-offset: 2px; }
#radar-result-count { white-space: nowrap; color: var(--lime); }
.radar-grid, .adoption-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 32px; }
.radar-card, .adoption-card { min-height: 300px; padding: 22px; background: var(--paper); border: 1px solid rgba(16, 18, 16, .15); }
.radar-card[hidden], .adoption-card[hidden] { display: none; }
.radar-card:hover, .adoption-card:hover { border-color: #889e34; }
.radar-card-header { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.radar-card-header h3 { margin: 8px 0 0; font-size: 23px; font-weight: 500; line-height: 1.1; }
.radar-card-header p { margin: 0; color: var(--muted); }
.status-watch, .status-pilot, .status-defer { color: #596f16; }
.radar-recommendation { min-height: 92px; margin: 26px 0 18px; color: var(--muted); font-size: 13px; }
.radar-recommendation strong { display: block; margin-bottom: 5px; color: #596f16; font: 10px var(--mono); }
.radar-scores { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.radar-score { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; padding: 9px; border: 1px solid var(--line); }
.radar-score strong { font: 16px var(--mono); }
.radar-meter { grid-column: 1 / -1; height: 3px; background: var(--paper-deep); }
.radar-meter i { display: block; height: 100%; background: #7d9828; }
.radar-compatibility { display: flex; justify-content: space-between; gap: 14px; margin: 18px 0 0; color: var(--muted); }
.radar-compatibility strong { color: #596f16; font: 11px var(--mono); }
.radar-tradeoffs { margin: 10px 0 0; padding-left: 18px; }
.radar-history { margin: 12px 0 0; padding-left: 18px; }
.radar-history li { display: grid; grid-template-columns: 90px 1fr; gap: 10px; margin-top: 6px; }
.radar-history time { font-family: var(--mono); }
.radar-caveat { max-width: 820px; margin: 30px 0 0 auto; color: var(--muted); font-size: 13px; }
.radar-empty { margin: 28px 0 0; color: var(--muted); }
.adoption-section { background: var(--night); color: var(--paper); }
.adoption-section .section-heading > p:last-child { color: #aeb2ac; }
.adoption-grid { margin-top: 8px; }
.adoption-card { background: var(--raised); border-color: var(--dark-line); }
.adoption-card p { color: #aeb2ac; font-size: 13px; }
.adoption-card .radar-card-header h3 { color: var(--paper); }
.adoption-score { display: flex; align-items: baseline; gap: 10px; margin: 28px 0 14px; color: #aeb2ac; }
.adoption-score strong { color: var(--lime); font: 42px var(--mono); line-height: 1; }
.adoption-score span { font: 10px var(--mono); }
.adoption-card details { border-color: var(--dark-line); }
.adoption-card summary { color: var(--lime); }
@media (max-width: 1050px) { .radar-grid, .adoption-grid { grid-template-columns: repeat(2, 1fr); } .radar-audit-summary, .radar-audit-details { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) { .radar-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); } #radar-result-count { grid-column: 1 / -1; } }
@media (max-width: 760px) { .radar-grid, .adoption-grid { grid-template-columns: 1fr; } .radar-controls { grid-template-columns: 1fr 1fr; } .radar-controls label:first-child, #radar-result-count { grid-column: 1 / -1; } .radar-audit > header { display: grid; } .radar-audit-summary, .radar-audit-details { grid-template-columns: 1fr; } }
@media (max-width: 390px) { .radar-controls { grid-template-columns: 1fr; } .radar-controls label:first-child, #radar-result-count { grid-column: auto; } }