:root {
  --paper: #f2efe7;
  --paper-deep: #e7e1d5;
  --ink: #171915;
  --muted: #62665d;
  --line: rgba(23, 25, 21, 0.22);
  --forest: #26483a;
  --moss: #66775e;
  --ember: #b6462d;
  --ochre: #b9852e;
  --danger: #792b25;
  --white: #fbfaf6;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, "Noto Sans JP", sans-serif;
  --display: var(--sans);
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a, p, li { overflow-wrap: anywhere; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--forest); color: var(--white); }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
}
.skip-link:focus { transform: none; }

.reading-progress {
  position: fixed;
  z-index: 90;
  inset: 0 0 auto 0;
  height: 2px;
  background: transparent;
}
.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--ember);
}

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 48px), var(--max));
  min-height: 94px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  width: fit-content;
  color: inherit;
  text-decoration: none;
}
.brand-name { font-size: 1.35rem; font-weight: 700; letter-spacing: .14em; }
.brand-note, .eyebrow, .chapter-index p, .status-card p, .status-card span, .cause-flow span, .impact-list span, .recorder-grid span, .small-actions span, .donation-top span {
  font-size: .66rem;
  line-height: 1.4;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.desktop-nav { display: flex; gap: 28px; }
.desktop-nav a {
  font-size: .72rem;
  letter-spacing: .08em;
  text-decoration: none;
}
.desktop-nav a:hover { text-decoration: underline; text-underline-offset: 5px; }
.plain-button {
  justify-self: end;
  border: 0;
  padding: 9px 0;
  background: transparent;
  color: inherit;
  font-size: .72rem;
  letter-spacing: .12em;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(360px, .88fr) minmax(520px, 1.12fr);
  grid-template-rows: auto auto;
  gap: 54px 72px;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 84px 0 42px;
}
.hero-copy { align-self: center; padding-left: clamp(0px, 4vw, 68px); }
.eyebrow { margin: 0 0 22px; color: var(--muted); font-weight: 600; }
.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4rem, 7.4vw, 8.7rem);
  font-weight: 600;
  line-height: .96;
  letter-spacing: -.055em;
}
.hero h1 span { color: var(--ember); }
.hero-lead {
  max-width: 560px;
  margin: 42px 0 0;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  line-height: 1.65;
}
.hero-note {
  max-width: 530px;
  margin: 28px 0 0;
  padding-left: 18px;
  border-left: 1px solid var(--ember);
  color: var(--muted);
  font-size: .9rem;
}
.hero-actions, .share-actions, .card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 21px;
  border: 1px solid var(--ink);
  border-radius: 0;
  text-decoration: none;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { background: var(--forest); }
.button-light { background: transparent; color: var(--ink); }
.button-light:hover { background: var(--white); }

.hero-media { align-self: center; margin: 0; }
.video-frame {
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--ink);
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.hero-media figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  padding-top: 12px;
  color: var(--muted);
  font-size: .68rem;
  line-height: 1.5;
}
.hero-media figcaption span:first-child { color: var(--ink); font-weight: 600; }
.hero-media figcaption a { margin-left: auto; text-underline-offset: 3px; }
.hero-meta {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero-meta p {
  margin: 0;
  padding: 18px 20px;
  color: var(--muted);
  font-size: .66rem;
  letter-spacing: .1em;
  line-height: 1.7;
}
.hero-meta p + p { border-left: 1px solid var(--line); }

.status-band {
  display: grid;
  grid-template-columns: .85fr 1.5fr;
  gap: 44px 70px;
  width: 100%;
  margin-top: 60px;
  padding: 78px max(24px, calc((100vw - var(--max)) / 2 + 24px));
  background: var(--ink);
  color: var(--white);
}
.status-intro h2 {
  max-width: 460px;
  margin: 0 0 20px;
  font-family: var(--display);
  font-size: clamp(2rem, 3.4vw, 4.2rem);
  font-weight: 600;
  line-height: 1.28;
}
.status-intro > p:last-child { max-width: 490px; color: rgba(255,255,255,.6); font-size: .84rem; }
.status-band .eyebrow { color: rgba(255,255,255,.5); }
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.status-card {
  min-height: 270px;
  padding: 24px;
  border-left: 1px solid rgba(255,255,255,.25);
}
.status-card p { margin: 0; color: rgba(255,255,255,.7); }
.status-card strong {
  display: block;
  margin: 34px 0 24px;
  font-family: var(--display);
  font-size: clamp(3.2rem, 5.2vw, 6.2rem);
  font-weight: 400;
  line-height: 1;
}
.status-card span { color: rgba(255,255,255,.65); }
.status-card.very-unhealthy strong { color: #d5a544; }
.status-card.hazardous strong { color: #dc6a4e; }
.status-card.very-hazardous strong { color: #ef8270; }
.status-links {
  grid-column: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  padding-top: 4px;
}
.status-links a { color: rgba(255,255,255,.8); font-size: .76rem; text-underline-offset: 4px; }

.chapter {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 60px;
  width: min(calc(100% - 48px), 1280px);
  margin: 0 auto;
  padding: 150px 0;
  border-bottom: 1px solid var(--line);
}
.chapter-index { padding-top: 4px; }
.chapter-index > span {
  display: block;
  font-family: var(--display);
  font-size: 3.8rem;
  line-height: 1;
}
.chapter-index p { margin-top: 18px; color: var(--muted); }
.chapter-body > h2, .why-quiet h2, .action-chapter h2, .sources h2 {
  max-width: 920px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 5.6rem);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -.035em;
}
.chapter-compact { padding-block: 104px; }
.chapter-compact .chapter-body > h2 { max-width: 760px; font-size: clamp(2.2rem, 4.3vw, 4.6rem); }
.now-summary {
  max-width: 760px;
  margin: 34px 0 0;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  font-weight: 500;
  line-height: 1.8;
}
.situation-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.situation-list article { min-height: 210px; padding: 26px; }
.situation-list article + article { border-left: 1px solid var(--line); }
.situation-list span { color: var(--muted); font-size: .66rem; letter-spacing: .16em; }
.situation-list h3 { margin: 34px 0 10px; font-size: 1.45rem; font-weight: 600; }
.situation-list p { margin: 0; color: var(--muted); font-size: .86rem; }
.lead-grid {
  display: grid;
  grid-template-columns: minmax(260px, .85fr) minmax(320px, 1.15fr);
  gap: 70px;
  margin-top: 80px;
}
.large-copy {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.4vw, 2.25rem);
  line-height: 1.65;
}
.body-copy p { margin: 0 0 1.6em; }
.body-copy strong { color: var(--ember); font-size: 1.15em; }

.fact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 78px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.fact-row > div { padding: 28px; }
.fact-row > div + div { border-left: 1px solid var(--line); }
.fact-row span { color: var(--muted); font-size: .65rem; letter-spacing: .14em; }
.fact-row strong { display: block; margin: 18px 0 12px; font-family: var(--display); font-size: clamp(2.4rem, 4vw, 4.3rem); font-weight: 500; line-height: 1; }
.fact-row p { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.6; }
.clarity-note {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 30px;
  margin-top: 58px;
  padding: 30px;
  background: var(--paper-deep);
}
.clarity-note p { margin: 0; }
.clarity-note.no-label > p { grid-column: 1 / -1; }
.note-label { font-size: .72rem; font-weight: 700; letter-spacing: .08em; }

.cause-chapter { background: transparent; }
.cause-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 82px;
  border: 1px solid var(--line);
}
.cause-flow article { min-height: 320px; padding: 26px; }
.cause-flow article + article { border-left: 1px solid var(--line); }
.cause-flow span, .impact-list span, .recorder-grid span, .small-actions span { color: var(--muted); }
.cause-flow h3, .impact-list h3, .recorder-grid h4, .small-actions h3 {
  margin: 66px 0 12px;
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 600;
}
.cause-flow p, .impact-list p, .recorder-grid p, .small-actions p { margin: 0; color: var(--muted); font-size: .83rem; }
.palm-answer {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 70px;
  margin-top: 88px;
  padding-top: 38px;
  border-top: 2px solid var(--ink);
}
.question { margin: 0; font-family: var(--display); font-size: clamp(1.7rem, 3vw, 3rem); font-weight: 600; line-height: 1.45; }
.palm-answer > div > p { margin: 0 0 1.5em; }
.answer { font-family: var(--display); font-size: clamp(1.4rem, 2.4vw, 2.15rem); font-weight: 500; line-height: 1.6; }
.answer strong { color: var(--ember); font-weight: 400; }
.source-line { margin: 46px 0 0; color: var(--muted); font-size: .72rem; }
.source-line a { text-underline-offset: 4px; }
.source-preview {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 70px;
  margin-top: 72px;
  padding: 38px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.source-preview-label .eyebrow { margin-bottom: 26px; }
.source-preview-label > p:last-child { margin: 0; color: var(--muted); font-size: .68rem; letter-spacing: .12em; }
.source-preview-body h3 { margin: 0; font-family: var(--display); font-size: clamp(1.5rem, 2.5vw, 2.6rem); font-weight: 600; line-height: 1.35; }
.source-preview-body p { max-width: 680px; margin: 28px 0; color: var(--muted); }
.source-preview-body a { font-size: .72rem; text-underline-offset: 4px; }
.hero-media.chapter-video { width: 100%; margin: 72px 0 0; padding-top: 38px; border-top: 1px solid var(--line); }
.chapter-video > h3 { margin: 0 0 34px; font-family: var(--display); font-size: clamp(1.7rem, 3vw, 3.2rem); font-weight: 600; line-height: 1.35; }
.chapter-video-note { margin: 24px 0 0; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }
.chapter-video-note p { margin: 0; }
.chapter-video-note p + p { margin-top: 1.4em; }

.interlude {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  width: min(calc(100% - 48px), 1280px);
  margin: 0 auto;
  padding: 98px 120px;
  background: var(--forest);
  color: var(--white);
}
.interlude p { margin: 0; font-family: var(--display); font-size: clamp(1.5rem, 2.5vw, 2.5rem); font-weight: 500; line-height: 1.65; }
.interlude span { color: #bfc9b4; }

.impact-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 76px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.impact-list article { min-height: 270px; padding: 28px; }
.impact-list article + article { border-left: 1px solid var(--line); }
.impact-list h3 { margin-top: 54px; }
.wildlife-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  margin-top: 72px;
  padding: 44px;
  background: var(--ember);
  color: var(--white);
}
.wildlife-proof .eyebrow { color: rgba(255,255,255,.65); }
.wildlife-proof h3 { margin: 0; font-family: var(--display); font-size: clamp(1.8rem, 3vw, 3.4rem); font-weight: 600; line-height: 1.45; }
.wildlife-proof > p { align-self: end; margin: 0; }
.wildlife-proof-copy { align-self: end; }
.wildlife-proof-copy p { margin: 0 0 24px; }
.wildlife-proof-copy time { display: block; color: rgba(255,255,255,.7); font-size: .7rem; letter-spacing: .08em; }
.wildlife-proof-copy a { display: inline-block; margin-top: 18px; font-size: .72rem; text-underline-offset: 4px; }
.uncertainty { background: transparent; border: 1px solid var(--line); }

.recorder-section { margin-top: 120px; }
.recorder-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 70px; align-items: end; }
.recorder-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.recorder-heading h3 { margin: 0; font-family: var(--display); font-size: clamp(2.2rem, 4vw, 4.4rem); font-weight: 600; line-height: 1.35; }
.answer.short { margin: 0; }
.recorder-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 62px;
  border: 1px solid var(--line);
}
.recorder-grid article { min-height: 286px; padding: 26px; }
.recorder-grid article + article { border-left: 1px solid var(--line); }
.recorder-grid h4 { margin-top: 58px; }
.limit-note { margin: 28px 0 0; padding: 24px 28px; background: var(--paper-deep); font-size: .82rem; }

.why-quiet {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 80px;
  width: min(calc(100% - 48px), 1280px);
  margin: 0 auto;
  padding: 110px 120px;
  border-bottom: 1px solid var(--line);
}
.why-quiet .eyebrow { grid-column: 1 / -1; margin-bottom: -24px; }
.why-quiet h2 { font-size: clamp(2rem, 3.8vw, 4rem); }
.why-quiet > div p { margin: 0 0 1.5em; }

.action-chapter { border-bottom: 0; }
.section-lead { max-width: 750px; margin: 48px 0 0; font-size: 1.05rem; }
.donation-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 72px; }
.donation-card {
  display: flex;
  flex-direction: column;
  min-height: 650px;
  padding: 40px;
  border: 1px solid var(--ink);
  background: var(--white);
}
.donation-top { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.donation-top p { margin: 0; font-size: .75rem; }
.donation-card h3 { margin: 50px 0 24px; font-family: var(--display); font-size: clamp(2rem, 3.5vw, 3.6rem); font-weight: 600; line-height: 1.2; }
.donation-card > p { color: var(--muted); }
.donation-card ul { margin: 24px 0 36px; padding: 0; list-style: none; }
.donation-card li { padding: 9px 0 9px 22px; border-top: 1px solid var(--line); font-size: .78rem; position: relative; }
.donation-card li::before { content: "✓"; position: absolute; left: 0; color: var(--forest); }
.donation-card .card-actions { margin-top: auto; align-items: center; }
.text-link { font-size: .72rem; text-underline-offset: 4px; }
.animal-card { border-color: var(--ember); }
.donation-note { margin-top: 20px; padding: 24px 30px; border: 1px solid var(--line); font-size: .76rem; }
.donation-note p { margin: 0; }
.small-actions { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 74px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.small-actions article { padding: 28px; min-height: 190px; }
.small-actions article + article { border-left: 1px solid var(--line); }
.small-actions h3 { margin-top: 34px; }

.message {
  display: grid;
  grid-template-columns: .55fr 1.45fr;
  gap: 90px;
  padding: 130px max(24px, calc((100vw - 1280px) / 2 + 24px));
  background: var(--forest);
  color: var(--white);
}
.message .eyebrow { color: rgba(255,255,255,.55); }
.message-label > p:last-child { margin-top: 56px; color: rgba(255,255,255,.65); font-size: .72rem; letter-spacing: .08em; line-height: 1.7; }
.message-body h2 { margin: 0; font-family: var(--display); font-size: clamp(3.4rem, 7vw, 8rem); font-weight: 600; line-height: 1.15; letter-spacing: -.045em; }
.message-copy { max-width: 720px; margin: 80px 0 0 auto; }
.message-copy p { margin: 0 0 2em; font-family: var(--display); font-size: clamp(1.15rem, 1.7vw, 1.55rem); font-weight: 400; line-height: 2; }
.message-copy p:first-child, .message-copy p:last-child { font-size: clamp(1.45rem, 2.2vw, 2rem); }
.message-copy .message-actions { margin-block: 4.5em; }

.share-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 130px 24px;
  text-align: center;
}
.share-section h2 { margin: 0; font-family: var(--display); font-size: clamp(2.5rem, 5vw, 5.6rem); font-weight: 600; }
.share-section > p:not(.eyebrow):not(.copy-status) { color: var(--muted); }
.share-section .share-actions { justify-content: center; }
.copy-status { min-height: 1.8em; margin-top: 14px; color: var(--forest); font-size: .74rem; }

.sources {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 80px;
  width: min(calc(100% - 48px), 1280px);
  margin: 0 auto;
  padding: 84px 0;
  border-top: 1px solid var(--line);
}
.sources h2 { font-size: clamp(2rem, 3.3vw, 3.6rem); }
.sources > div > p { margin-top: 0; }
details { margin-top: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
summary { padding: 18px 0; cursor: pointer; font-size: .82rem; font-weight: 700; }
details ol { margin: 0 0 28px; padding-left: 22px; }
details li { margin: 10px 0; padding-left: 8px; font-size: .74rem; }
details a { text-underline-offset: 3px; }
.updated { margin-top: 24px !important; color: var(--muted); font-size: .68rem; letter-spacing: .08em; }
.method-principles { margin-top: 38px; padding-block: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-principles p { margin: 0; padding: 18px 0; font-family: var(--display); font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.7; }
.method-principles p + p { border-top: 1px solid var(--line); }

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  align-items: end;
  padding: 58px max(24px, calc((100vw - var(--max)) / 2 + 24px));
  background: var(--ink);
  color: var(--white);
}
.footer-brand { font-size: 1.4rem; font-weight: 700; letter-spacing: .14em; text-decoration: none; }
footer p { margin: 0; color: rgba(255,255,255,.55); font-size: .65rem; letter-spacing: .08em; line-height: 1.7; }
footer p:last-child { text-align: right; }
.final-brand {
  display: block;
  padding-block: clamp(110px, 16vw, 230px);
  background: var(--forest);
  color: var(--white);
  text-align: center;
}
.final-brand p { margin: 0; color: var(--white); font-family: var(--display); font-size: clamp(3rem, 7vw, 8rem); font-weight: 600; line-height: 1.3; letter-spacing: -.045em; text-align: center; }
.final-brand small { display: block; margin-top: 58px; color: rgba(255,255,255,.65); font-size: 1.425rem; letter-spacing: .16em; }

:focus-visible { outline: 2px solid var(--ember); outline-offset: 4px; }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-left: 0; }
  .hero-media { width: 82%; margin-left: auto; }
  .cause-flow, .recorder-grid { grid-template-columns: 1fr 1fr; }
  .cause-flow article:nth-child(3), .recorder-grid article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .cause-flow article:nth-child(4), .recorder-grid article:nth-child(4) { border-top: 1px solid var(--line); }
  .why-quiet { padding-inline: 40px; }
  .interlude { padding-inline: 56px; }
}

@media (max-width: 800px) {
  .site-header { width: min(calc(100% - 32px), var(--max)); min-height: 74px; grid-template-columns: 1fr auto; }
  .brand-note, .desktop-nav { display: none; }
  .hero { width: min(calc(100% - 32px), var(--max)); gap: 46px; padding-top: 62px; }
  .hero h1 { font-size: clamp(3.5rem, 16vw, 6rem); }
  .hero-media { width: 100%; }
  .hero-media figcaption { display: block; }
  .hero-media figcaption span, .hero-media figcaption a { display: block; margin: 0 0 5px; }
  .hero-meta { grid-template-columns: 1fr; }
  .hero-meta p + p { border-left: 0; border-top: 1px solid var(--line); }
  .status-band { grid-template-columns: 1fr; padding-inline: 20px; }
  .status-grid { grid-template-columns: 1fr; }
  .status-card { min-height: auto; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px 24px; border-left: 0; border-top: 1px solid rgba(255,255,255,.25); }
  .status-card strong { grid-row: 1 / 3; grid-column: 2; margin: 0; }
  .status-links { grid-column: 1; }
  .chapter { grid-template-columns: 1fr; gap: 32px; width: min(calc(100% - 32px), 1280px); padding: 96px 0; }
  .chapter-index { display: flex; align-items: end; gap: 18px; }
  .chapter-index > span { font-size: 2.7rem; }
  .chapter-index p { margin: 0; }
  .lead-grid, .palm-answer, .wildlife-proof, .recorder-heading, .source-preview, .why-quiet, .message, .sources { grid-template-columns: 1fr; }
  .lead-grid, .palm-answer { gap: 34px; }
  .fact-row, .situation-list, .impact-list, .small-actions { grid-template-columns: 1fr; }
  .fact-row > div + div, .situation-list article + article, .impact-list article + article, .small-actions article + article { border-left: 0; border-top: 1px solid var(--line); }
  .situation-list article { min-height: auto; }
  .clarity-note { grid-template-columns: 1fr; gap: 10px; }
  .interlude { grid-template-columns: 1fr; width: 100%; padding: 72px 24px; }
  .wildlife-proof { gap: 30px; padding: 30px; }
  .source-preview { gap: 34px; }
  .recorder-heading .eyebrow { grid-column: 1; }
  .why-quiet { width: min(calc(100% - 32px), 1280px); gap: 30px; padding: 80px 0; }
  .why-quiet .eyebrow { grid-column: 1; margin-bottom: 0; }
  .donation-grid { grid-template-columns: 1fr; }
  .donation-card { min-height: auto; padding: 28px; }
  .message { gap: 50px; padding: 94px 24px; }
  .message-copy { margin-top: 50px; }
  .sources { gap: 40px; width: min(calc(100% - 32px), 1280px); }
  footer { grid-template-columns: 1fr; }
  footer p:last-child { text-align: left; }
}

@media (max-width: 560px) {
  .hero-actions .button, .share-actions .button { width: 100%; }
  .status-card strong { font-size: 3.3rem; }
  .cause-flow, .recorder-grid { grid-template-columns: 1fr; }
  .cause-flow article, .recorder-grid article { min-height: auto; }
  .cause-flow article + article, .cause-flow article:nth-child(3), .recorder-grid article + article, .recorder-grid article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .cause-flow h3, .recorder-grid h4 { margin-top: 34px; }
  .donation-top { display: block; }
  .donation-top p { margin-top: 8px; }
  .card-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}