@charset "UTF-8";

:root {
	color-scheme: light;
	--paper: #f6f5ef;
	--paper-deep: #eeede5;
	--ink: #202d29;
	--muted: #68756f;
	--green: #1d5049;
	--green-deep: #183d38;
	--green-soft: #dce6dc;
	--coral: #cb715d;
	--line: #d8dcd3;
	--serif: "Iowan Old Style", "Noto Serif TC", "Songti TC", Georgia, serif;
	--sans: "Aptos", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
	--mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
::selection { color: var(--paper); background: var(--green); }

.skip-link { position: fixed; z-index: 10; top: 12px; left: 12px; padding: 10px 14px; transform: translateY(-150%); border-radius: 4px; background: var(--green-deep); color: white; }
.skip-link:focus { transform: translateY(0); }
.site-header { height: 82px; padding: 0 clamp(24px, 6.2vw, 100px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid rgba(32,45,41,.1); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; text-decoration: none; }
.brand-mark { position: relative; display: grid; place-items: center; width: 35px; height: 35px; border-radius: 12px 12px 12px 4px; background: var(--green); }
.brand-mark::before, .brand-mark::after, .brand-mark span { position: absolute; content: ""; display: block; border-radius: 2px; background: var(--paper); }
.brand-mark::before { width: 15px; height: 4px; }
.brand-mark::after { width: 4px; height: 15px; }
.brand-copy { display: grid; gap: 0; line-height: 1.2; }
.brand-copy strong { font-size: 14px; letter-spacing: .12em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font: 9px/1 var(--mono); letter-spacing: .13em; }
.site-header nav { display: flex; align-items: center; gap: clamp(22px, 3.2vw, 50px); }
.site-header nav a, .header-link { font-size: 12px; font-weight: 550; text-decoration: none; color: #59665f; transition: color .2s ease; }
.site-header nav a:hover, .header-link:hover { color: var(--coral); }
.header-link { justify-self: end; padding: 9px 13px; border: 1px solid var(--line); border-radius: 2px; color: var(--green); }
.header-link span { padding-left: 4px; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, .98fr) minmax(0, 1.02fr); min-height: min(720px, calc(100svh - 82px)); padding: 64px clamp(24px, 8.5vw, 140px) 66px; overflow: hidden; }
.hero::before { position: absolute; top: 8%; right: 8%; width: 38vw; height: 38vw; max-width: 570px; max-height: 570px; border: 1px solid rgba(29,80,73,.09); border-radius: 50%; content: ""; pointer-events: none; }
.hero-copy { z-index: 1; align-self: center; max-width: 575px; padding: 0 20px 30px 0; }
.eyebrow, .section-kicker, .art-index, .art-caption, .hero-bottom, .node-index, .principle-aside, .notice-label, .site-footer > span { font: 10px/1.5 var(--mono); letter-spacing: .12em; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 26px; color: var(--green); }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 4px rgba(203,113,93,.13); }
.hero h1, .intro h2, .system-heading h2, .principles-heading h2, .credits-heading h2 { margin: 0; font-family: var(--serif); font-weight: 500; letter-spacing: -.055em; text-wrap: balance; }
.hero h1 { font-size: clamp(54px, 6.1vw, 88px); line-height: 1.2; }
.hero h1 span { color: var(--green); }
.hero-project-subtitle { margin: 6px 0 0; color: var(--green); font-size: 24px; font-weight: 650; letter-spacing: .04em; }
.hero-lede { max-width: 440px; margin: 22px 0 0; color: #626f69; font-size: 15px; line-height: 2; text-wrap: pretty; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 49px; padding: 0 18px; text-decoration: none; font-size: 12px; font-weight: 650; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(1px) scale(.985); }
.button-primary { background: var(--green); color: #fff; box-shadow: 0 8px 18px rgba(29,80,73,.14); }
.button-primary:hover { background: var(--green-deep); box-shadow: 0 10px 24px rgba(29,80,73,.2); }
.text-link { color: var(--green); font-size: 12px; font-weight: 600; text-decoration-color: rgba(29,80,73,.3); text-underline-offset: 5px; }
.hero-note { display: flex; align-items: center; gap: 12px; margin-top: 51px; color: #77817c; font-size: 11px; }
.note-line { width: 28px; height: 1px; background: var(--coral); }

.hero-art { position: relative; align-self: center; justify-self: end; width: min(100%, 560px); aspect-ratio: 1.04; max-height: 560px; background: #e8ebe2; overflow: hidden; }
.hero-art::before { position: absolute; inset: 0; background-image: radial-gradient(rgba(24,61,56,.16) .55px, transparent .55px); background-size: 7px 7px; opacity: .17; content: ""; }
.hero-art::after { position: absolute; right: -18%; bottom: -48%; width: 78%; height: 85%; border: 1px solid rgba(29,80,73,.1); border-radius: 50%; content: ""; }
.art-orbit { position: absolute; top: 49%; left: 50%; border: 1px solid rgba(29,80,73,.12); border-radius: 50%; transform: translate(-50%,-50%) rotate(-26deg); }
.orbit-one { width: 78%; height: 53%; }
.orbit-two { width: 63%; height: 81%; transform: translate(-50%,-50%) rotate(35deg); }
.art-index { position: absolute; z-index: 1; top: 23px; right: 25px; left: 25px; display: flex; justify-content: space-between; color: #78847e; font-size: 9px; }
.robot-stage { position: absolute; inset: 8% 5% 7%; }
.robot { position: absolute; top: 50%; left: 50%; width: 57%; max-width: 300px; transform: translate(-50%,-49%); filter: drop-shadow(0 15px 12px rgba(27,58,53,.11)); }
.robot-shadow { fill: #c8d2c8; }
.robot-neck, .robot-base { fill: #597d72; }
.robot-body-line { fill: none; stroke: #a6b9a9; stroke-width: 3; stroke-linecap: round; }
.robot-ear { fill: #7e9e8e; }
.robot-head { fill: #f9f7ef; stroke: #bed0c1; stroke-width: 3; }
.robot-face { fill: #dce8dc; }
.robot-eye { fill: #234f47; }
.robot-smile { fill: none; stroke: #234f47; stroke-width: 3; stroke-linecap: round; }
.robot-crown { stroke: #597d72; stroke-width: 4; stroke-linecap: round; }
.robot-beacon { fill: var(--coral); stroke: #f4c2ae; stroke-width: 4; }
.robot-cheek { fill: none; stroke: #cc8973; stroke-width: 2; stroke-linecap: round; }
.orbit-label { position: absolute; display: flex; align-items: center; gap: 10px; min-width: 138px; padding: 10px 12px; background: rgba(249,248,241,.91); box-shadow: 0 7px 20px rgba(36,66,59,.07); color: var(--ink); font-size: 10px; }
.orbit-label small { display: block; margin-top: 2px; color: #78847e; font-size: 9px; }
.label-glyph { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid #cbd8ca; border-radius: 50%; color: var(--green); font-size: 16px; }
.label-emotion { top: 24%; left: 4%; }
.label-dose { top: 37%; right: 0; }
.label-family { right: 9%; bottom: 17%; }
.art-caption { position: absolute; z-index: 1; right: 24px; bottom: 22px; left: 24px; display: flex; align-items: center; gap: 12px; color: #718078; font-size: 8px; }
.caption-rule { width: 34px; height: 1px; background: #aebbaf; }
.hero-bottom { position: absolute; right: clamp(24px, 8.5vw, 140px); bottom: 21px; left: clamp(24px, 8.5vw, 140px); display: flex; justify-content: space-between; color: #84908a; font-size: 8px; }
.hero-bottom i { display: inline-block; width: 5px; height: 5px; margin: 0 5px 1px; border-radius: 50%; background: var(--coral); }

.section-wrap { width: min(1100px, calc(100% - 64px)); margin-inline: auto; }
.intro { padding-top: 130px; padding-bottom: 130px; }
.section-kicker { display: flex; align-items: center; gap: 13px; color: #75817a; font-size: 9px; }
.section-kicker span:first-child { color: var(--coral); }
.section-kicker span:last-child { letter-spacing: .17em; }
.intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; margin-top: 34px; }
.intro h2, .system-heading h2, .principles-heading h2, .credits-heading h2 { font-size: clamp(38px, 4.2vw, 58px); line-height: 1.32; }
.intro-text { max-width: 475px; padding-top: 9px; }
.intro-text p { margin: 0; color: #66726c; font-size: 14px; line-height: 2.05; }
.intro-text .intro-emphasis { margin-top: 20px; color: var(--green); font-family: var(--serif); font-size: 20px; line-height: 1.7; }
.signal-row { display: grid; grid-template-columns: 1fr 45px 1fr 45px 1fr; align-items: center; gap: 17px; margin-top: 72px; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-step { display: flex; align-items: center; gap: 15px; }
.signal-number { align-self: flex-start; padding-top: 2px; color: var(--coral); font: 10px var(--mono); }
.signal-step strong, .signal-step small { display: block; }
.signal-step strong { font-size: 13px; font-weight: 650; }
.signal-step small { margin-top: 3px; color: #75817a; font-size: 10px; }
.signal-connector { color: #9fa9a1; text-align: center; font-size: 15px; }

.system-section { padding: 112px 0 104px; background: var(--green-deep); color: #f3f2e9; }
.system-section .section-kicker { color: #a6b8aa; }
.system-section .section-kicker span:first-child { color: #e49983; }
.system-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 70px; align-items: end; margin-top: 34px; }
.system-heading h2 { color: #f4f2e8; }
.system-heading p { max-width: 340px; margin: 0 0 7px; color: #b6c4b9; font-size: 13px; line-height: 2; }
.system-map { display: grid; grid-template-columns: 1fr 82px 1fr 82px 1fr; align-items: center; margin-top: 62px; }
.system-node { position: relative; min-height: 294px; padding: 23px 22px; background: rgba(255,255,255,.055); border-top: 1px solid rgba(226,235,223,.3); transition: background .25s ease, transform .25s ease; }
.system-node:hover { transform: translateY(-4px); background: rgba(255,255,255,.085); }
.node-index { color: #9fb1a4; font-size: 8px; }
.node-icon { position: relative; display: grid; place-items: center; width: 70px; height: 70px; margin: 27px 0 20px; border: 1px solid rgba(216,230,214,.27); border-radius: 50%; color: #d2dfd1; }
.node-bot .bot-antenna { position: absolute; top: 12px; width: 2px; height: 9px; background: #cadacb; }
.node-bot .bot-antenna::before { position: absolute; top: -4px; left: -2px; width: 6px; height: 6px; border-radius: 50%; background: #d99681; content: ""; }
.bot-face { position: relative; width: 39px; height: 32px; margin-top: 10px; border: 1px solid #c6d7c8; border-radius: 13px; }
.bot-face i { position: absolute; top: 10px; left: 8px; width: 4px; height: 4px; border-radius: 50%; background: #e9a18a; }
.bot-face i:nth-child(2) { right: 8px; left: auto; }
.bot-face b { position: absolute; bottom: 7px; left: 15px; width: 8px; height: 4px; border-bottom: 1px solid #c6d7c8; border-radius: 50%; }
.node-network i, .node-network b { position: absolute; z-index: 1; display: block; width: 9px; height: 9px; border: 1px solid #d0dece; border-radius: 50%; background: var(--green-deep); }
.node-network i:nth-child(1) { top: 18px; left: 31px; }.node-network i:nth-child(2) { top: 32px; left: 13px; }.node-network i:nth-child(3) { top: 32px; right: 13px; }.node-network i:nth-child(4) { bottom: 13px; left: 31px; }
.node-network b { top: 31px; left: 31px; width: 9px; height: 9px; background: #d99681; }
.node-network::before, .node-network::after { position: absolute; width: 35px; height: 25px; border-top: 1px solid #99b0a1; border-left: 1px solid #99b0a1; content: ""; transform: rotate(28deg); }
.node-network::before { top: 23px; left: 19px; }.node-network::after { top: 23px; right: 19px; transform: scaleX(-1) rotate(28deg); }
.node-home { font-family: var(--serif); font-size: 40px; }
.node-home span { transform: translateY(-2px); }.node-home i { position: absolute; bottom: 16px; left: 25px; width: 19px; height: 13px; border: 1px solid #c6d7c8; border-top: 0; }.node-home b { position: absolute; top: 17px; left: 28px; width: 14px; height: 14px; border-top: 1px solid #c6d7c8; border-left: 1px solid #c6d7c8; transform: rotate(45deg); }
.system-node h3 { margin: 0; color: #f6f3e9; font-size: 15px; font-weight: 600; }
.system-node p { min-height: 56px; margin: 8px 0 13px; color: #b2c0b5; font-size: 10px; line-height: 1.8; }
.node-tag { display: inline-block; padding: 4px 8px; border: 1px solid rgba(219,229,218,.22); color: #c8d7c9; font-size: 9px; }
.map-link { display: grid; justify-items: center; gap: 7px; color: #a8b9aa; font: 8px var(--mono); text-align: center; }
.map-link i { position: relative; display: block; width: 42px; height: 1px; background: #849b8a; }
.map-link i::after { position: absolute; top: -3px; right: 0; width: 6px; height: 6px; border-top: 1px solid #a9bba9; border-right: 1px solid #a9bba9; content: ""; transform: rotate(45deg); }
.system-footnote { display: flex; justify-content: space-between; gap: 20px; margin: 43px 0 0; padding-top: 17px; border-top: 1px solid rgba(233,238,224,.17); color: #a7b8aa; font-size: 10px; }
.system-footnote span:first-child { font: 8px var(--mono); letter-spacing: .14em; }

.principles { padding-top: 120px; padding-bottom: 132px; }
.principles-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 70px; align-items: end; margin-top: 34px; }
.principles-heading > p { max-width: 330px; margin: 0 0 8px; color: #68756f; font-size: 13px; line-height: 2; }
.principle-list { margin-top: 57px; border-top: 1px solid var(--line); }
.principle-list article { display: grid; grid-template-columns: 55px 1fr auto; gap: 19px; align-items: center; padding: 23px 0; border-bottom: 1px solid var(--line); }
.principle-mark { align-self: start; color: var(--coral); font: 12px var(--mono); }
.principle-list h3 { margin: 0; font-size: 14px; font-weight: 650; }
.principle-list p { max-width: 620px; margin: 5px 0 0; color: #758079; font-size: 11px; line-height: 1.9; }
.principle-aside { color: #929c95; font-size: 8px; }

.credits-section { padding: 108px 0 115px; background: var(--paper-deep); }
.credits-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: end; margin-top: 32px; }
.credits-heading > p { max-width: 550px; margin: 0 0 6px; color: #40585d; font-size: 17px; line-height: 1.9; }
.credits-list { margin: 44px 0 0; border-top: 1px solid var(--line); }
.credits-list > div { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.credits-list dt { color: #40585d; font-size: 15px; font-weight: 650; }
.credits-list dd { margin: 0; color: var(--ink); font-size: 17px; }
.credits-list dd span[lang="en"] { margin-left: 12px; color: #52686d; font-size: 15px; }
.credits-list a { color: var(--green); font-weight: 650; text-underline-offset: 4px; }
.notice { display: grid; grid-template-columns: 32px 1fr auto; gap: 16px; align-items: start; margin-top: 72px; margin-bottom: 85px; padding: 22px 23px; border: 1px solid var(--line); }
.notice-symbol { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: #e5e9df; color: var(--green); font-family: var(--serif); font-style: italic; }
.notice strong { font-size: 11px; font-weight: 650; }
.notice p { max-width: 730px; margin: 5px 0 0; color: #727e77; font-size: 10px; line-height: 1.9; }
.notice-label { align-self: center; color: #89948d; font-size: 8px; }
.site-footer { display: grid; grid-template-columns: 1fr 1fr auto; align-items: center; gap: 20px; min-height: 86px; padding: 15px clamp(24px, 6.2vw, 100px); border-top: 1px solid var(--line); color: #758079; }
.footer-brand { width: fit-content; color: var(--ink); font-size: 11px; font-weight: 700; text-decoration: none; letter-spacing: .07em; }
.footer-brand span { margin-left: 8px; color: #89948d; font: 8px var(--mono); letter-spacing: .1em; }
.site-footer p { margin: 0; font-size: 10px; }
.site-footer > span { justify-self: end; font-size: 8px; }

:focus-visible { outline: 3px solid #d4836f; outline-offset: 4px; }

@media (min-width: 1500px) { .hero { padding-inline: max(140px, calc((100vw - 1250px) / 2)); } }
@media (max-width: 980px) {
	.site-header { grid-template-columns: 1fr auto; }
	.site-header nav { display: none; }
	.hero { min-height: auto; grid-template-columns: 1fr 1fr; padding-top: 54px; padding-bottom: 76px; }
	.hero h1 { font-size: clamp(48px, 7vw, 70px); }
	.hero-art { width: 100%; }
	.intro-grid, .system-heading, .principles-heading { gap: 42px; }
	.system-map { grid-template-columns: 1fr 40px 1fr 40px 1fr; }
	.system-node { min-height: 320px; padding-inline: 16px; }
	.credits-list > div { grid-template-columns: 150px 1fr; }
}
@media (max-width: 680px) {
	html { scroll-padding-top: 20px; }
	.site-header { height: 70px; padding-inline: 21px; }
	.header-link { padding: 8px 10px; font-size: 10px; }
	.brand-mark { width: 32px; height: 32px; }
	.hero { grid-template-columns: 1fr; gap: 26px; padding: 48px 22px 68px; }
	.hero-copy { padding: 0; }
	.eyebrow { margin-bottom: 21px; font-size: 8px; }
	.hero h1 { font-size: clamp(49px, 13vw, 72px); }
	.hero-lede { max-width: 450px; margin-top: 14px; font-size: 13px; }
	.hero-actions { gap: 19px; margin-top: 23px; }
	.button { min-height: 46px; gap: 19px; padding-inline: 14px; font-size: 11px; }
	.text-link { font-size: 10px; }
	.hero-note { margin-top: 25px; font-size: 10px; }
	.hero-art { justify-self: center; width: min(100%, 440px); }
	.hero-bottom { right: 22px; bottom: 17px; left: 22px; font-size: 7px; }
	.section-wrap { width: min(100% - 44px, 520px); }
	.intro { padding-top: 83px; padding-bottom: 85px; }
	.intro-grid, .system-heading, .principles-heading { grid-template-columns: 1fr; gap: 18px; margin-top: 25px; }
	.intro h2, .system-heading h2, .principles-heading h2, .credits-heading h2 { font-size: 42px; }
	.intro-text { padding-top: 0; }
	.intro-text p { font-size: 12px; }
	.intro-text .intro-emphasis { font-size: 17px; }
	.signal-row { grid-template-columns: 1fr; gap: 15px; margin-top: 35px; padding: 20px 0; }
	.signal-connector { display: none; }
	.signal-step { gap: 14px; }
	.signal-step small { font-size: 10px; }
	.system-section { padding: 78px 0 73px; }
	.system-heading p, .principles-heading > p { font-size: 12px; }
	.system-map { grid-template-columns: 1fr; gap: 9px; margin-top: 35px; }
	.system-node { min-height: 0; padding: 18px; }
	.node-icon { width: 61px; height: 61px; margin: 19px 0 14px; }
	.system-node p { min-height: 0; max-width: 360px; }
	.map-link { grid-template-columns: auto 38px auto; align-items: center; justify-content: center; gap: 8px; padding: 3px; }
	.map-link i { width: 32px; }
	.map-link i::after { transform: rotate(135deg); right: -1px; }
	.system-footnote { flex-direction: column; gap: 8px; margin-top: 28px; }
	.principles { padding-top: 82px; padding-bottom: 84px; }
	.principle-list { margin-top: 32px; }
	.principle-list article { grid-template-columns: 29px 1fr; gap: 9px; align-items: start; padding: 18px 0; }
	.principle-list h3 { font-size: 12px; }
	.principle-list p { font-size: 10px; }
	.principle-aside { grid-column: 2; margin-top: -3px; }
	.credits-section { padding: 77px 0 82px; }
	.credits-heading { grid-template-columns: 1fr; gap: 14px; margin-top: 25px; }
	.credits-list { margin-top: 28px; }
	.credits-list > div { grid-template-columns: 1fr; gap: 2px; padding: 14px 0; }
	.credits-list dt { font-size: 14px; }
	.credits-list dd { font-size: 16px; }
	.credits-list dd span[lang="en"] { display: block; margin: 4px 0 0; font-size: 14px; }
	.notice { grid-template-columns: 25px 1fr; gap: 11px; margin-top: 43px; margin-bottom: 54px; padding: 17px 14px; }
	.notice-label { grid-column: 2; }
	.site-footer { grid-template-columns: 1fr; gap: 7px; padding: 20px 22px; }
	.site-footer > span { justify-self: start; margin-top: 5px; }
}
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Calm, high-contrast reading defaults for older adults and low-vision visitors. */
:root {
	--paper: #f3f7f7;
	--paper-deep: #e8f0f0;
	--ink: #173239;
	--muted: #4c6268;
	--green: #245d63;
	--green-deep: #204b50;
	--green-soft: #dce9e8;
	--coral: #8b523a;
	--line: #cbd9d9;
	--serif: var(--sans);
}

body { color: var(--ink); font-size: 18px; line-height: 1.8; -webkit-font-smoothing: auto; }
.site-header nav a, .header-link { min-height: 44px; display: inline-flex; align-items: center; font-size: 15px; }
.header-link { padding: 9px 14px; }
.brand-copy strong { font-size: 16px; }
.brand-copy small { font-size: 12px; }
.hero h1, .intro h2, .system-heading h2, .principles-heading h2, .credits-heading h2 { font-weight: 650; letter-spacing: -.025em; }
.hero-project-subtitle { font-size: 28px; }
.eyebrow { font-size: 13px; }
.hero-lede { color: #40585d; font-size: 18px; line-height: 1.85; }
.button { min-height: 54px; font-size: 16px; }
.text-link { font-size: 16px; }
.hero-note { color: #435b60; font-size: 14px; }
.art-index, .art-caption, .hero-bottom { font-size: 12px; letter-spacing: .07em; }
.orbit-label { min-width: 160px; font-size: 14px; }
.orbit-label small { color: #4c6268; font-size: 12px; }
.section-kicker { font-size: 12px; letter-spacing: .07em; }
.intro-text p { color: #40585d; font-size: 17px; line-height: 1.9; }
.intro-text .intro-emphasis { font-size: 21px; }
.signal-number { font-size: 13px; }
.signal-step strong { font-size: 16px; }
.signal-step small { color: #465d62; font-size: 14px; }
.system-heading p, .principles-heading > p { color: #e0e9e8; font-size: 16px; }
.node-index { color: #d2e1e0; font-size: 12px; letter-spacing: .07em; }
.system-node h3 { font-size: 18px; }
.system-node p { min-height: 0; color: #e0e9e8; font-size: 15px; line-height: 1.8; }
.node-tag { color: #f1f6f4; font-size: 13px; }
.map-link { color: #e0e9e8; font-size: 12px; }
.system-footnote { color: #d2e1e0; font-size: 13px; }
.system-footnote span:first-child { font-size: 12px; letter-spacing: .07em; }
.principle-list h3 { font-size: 17px; }
.principle-list p { color: #465d62; font-size: 15px; line-height: 1.8; }
.principle-aside { color: #52686d; font-size: 12px; letter-spacing: .07em; }
.notice strong { font-size: 15px; }
.notice p { color: #40585d; font-size: 15px; line-height: 1.8; }
.notice-label { color: #52686d; font-size: 12px; letter-spacing: .07em; }
.footer-brand { font-size: 15px; }
.footer-brand span { color: #52686d; font-size: 12px; }
.site-footer p, .github-footer { color: #40585d; font-size: 14px; }
.github-footer { width: fit-content; font-weight: 650; text-underline-offset: 4px; }
.github-footer:hover { color: var(--green); }
.credits-heading > p { font-size: 18px; }
.credits-list dt { font-size: 16px; }
.credits-list dd { font-size: 18px; }
.credits-list dd span[lang="en"] { font-size: 16px; }
.hero-note { margin-top: 32px; color: #263f43; font-size: 19px; font-weight: 600; line-height: 1.65; }
.note-line { width: 36px; flex: 0 0 36px; }
:focus-visible { outline-color: var(--coral); }

@media (max-width: 680px) {
	.header-link { min-height: 44px; max-width: 175px; text-align: center; font-size: 13px; }
	.eyebrow { font-size: 12px; }
	.hero-lede { font-size: 17px; }
	.button { font-size: 15px; }
	.text-link { font-size: 14px; }
	.hero-note { font-size: 13px; }
	.art-index, .art-caption, .hero-bottom { font-size: 12px; }
	.orbit-label { min-width: 150px; font-size: 13px; }
	.orbit-label small { font-size: 12px; }
	.intro-text p { font-size: 16px; }
	.intro-text .intro-emphasis { font-size: 19px; }
	.signal-step strong { font-size: 16px; }
	.signal-step small { font-size: 14px; }
	.system-heading p, .principles-heading > p { font-size: 15px; }
	.system-node p { font-size: 15px; }
	.map-link { font-size: 12px; }
	.principle-list h3 { font-size: 16px; }
	.principle-list p { font-size: 14px; }
	.credits-heading > p { font-size: 16px; }
	.credits-list dt { font-size: 14px; }
	.credits-list dd { font-size: 16px; }
	.credits-list dd span[lang="en"] { font-size: 14px; }
	.notice strong, .notice p { font-size: 14px; }
	.notice-label { font-size: 12px; }
	.site-footer p, .github-footer { font-size: 14px; }
	.hero-note { margin-top: 26px; font-size: 17px; line-height: 1.65; }
}

/* Keep all meaningful supporting copy comfortably readable at a glance. */
.hero-project-subtitle { font-size: 30px; }
.hero-lede, .intro-text p, .system-heading p, .principles-heading > p, .credits-heading > p { font-size: 20px; line-height: 1.8; }
.hero-note { font-size: 21px; line-height: 1.65; }
.button, .text-link { font-size: 17px; }
.orbit-label { min-width: 175px; font-size: 16px; }
.orbit-label small { font-size: 14px; }
.art-index, .art-caption, .hero-bottom, .section-kicker, .node-index, .system-footnote span:first-child { font-size: 14px; }
.signal-step strong { font-size: 19px; }
.signal-step small { font-size: 16px; }
.system-node h3 { font-size: 21px; }
.system-node p { font-size: 18px; line-height: 1.75; }
.node-tag, .map-link { font-size: 15px; }
.system-footnote { font-size: 16px; }
.principle-list h3 { font-size: 20px; }
.principle-list p { font-size: 18px; line-height: 1.75; }
.principle-aside { font-size: 14px; }
.credits-list dt { font-size: 18px; }
.credits-list dd { font-size: 20px; }
.credits-list dd span[lang="en"] { font-size: 17px; }
.notice strong { font-size: 18px; }
.notice p { font-size: 18px; line-height: 1.75; }
.notice-label, .footer-brand span, .site-footer p, .github-footer { font-size: 16px; }

@media (max-width: 680px) {
	.hero-project-subtitle { font-size: 25px; }
	.hero-lede, .intro-text p, .system-heading p, .principles-heading > p, .credits-heading > p { font-size: 18px; line-height: 1.75; }
	.hero-note { font-size: 19px; }
	.button, .text-link { font-size: 16px; }
	.orbit-label { min-width: 155px; font-size: 14px; }
	.orbit-label small { font-size: 13px; }
	.art-index, .art-caption, .hero-bottom, .section-kicker, .node-index, .system-footnote span:first-child { font-size: 12px; }
	.signal-step strong { font-size: 18px; }
	.signal-step small { font-size: 16px; }
	.system-node h3 { font-size: 20px; }
	.system-node p, .principle-list p, .notice p { font-size: 17px; }
	.node-tag, .map-link, .principle-aside { font-size: 14px; }
	.principle-list h3 { font-size: 18px; }
	.credits-list dt { font-size: 16px; }
	.credits-list dd { font-size: 18px; }
	.credits-list dd span[lang="en"] { font-size: 16px; }
	.notice strong { font-size: 17px; }
	.notice-label, .footer-brand span, .site-footer p, .github-footer { font-size: 15px; }
}