/* ============================================
   Tweet Source Label — Stylesheet
   Pure monochrome (black & white)
   ============================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --bg-section: #f4f4f4;
  --bg-dark: #000000;
  --ink: #000000;
  --ink-soft: #1a1a1a;
  --muted: #525252;
  --muted-light: #999999;
  --border: #e5e5e5;
  --border-strong: #000000;

  --serif: "Fraunces", "Shippori Mincho", "Hiragino Mincho ProN", "YuMincho", serif;
  --sans: "IBM Plex Sans", "Noto Sans JP", "Hiragino Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1180px;
  --container-narrow: 920px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "palt" 1;
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================
   Header
   ============================================ */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  text-decoration: none;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  display: block;
  width: 22px;
  height: 22px;
}

.nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav a:hover { color: var(--ink); }

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: 100px 0 120px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 96px;
  align-items: start;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.kicker-line {
  width: 32px;
  height: 1px;
  background: var(--ink);
}

.kicker-text {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
  font-family: var(--mono);
}

.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin-bottom: 40px;
  font-variation-settings: "opsz" 144, "SOFT" 0;
}

.display em {
  font-style: normal;
  font-weight: 500;
}

.display-line {
  display: block;
}

.lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 56px;
}

.hl {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-section);
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  color: var(--ink);
}

/* Bookmarklet button */
.bookmarklet-zone {
  padding: 36px 36px 32px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.bookmarklet {
  display: inline-flex;
  align-items: center;
  padding: 16px 32px;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: grab;
  user-select: none;
  transition: transform 0.18s ease;
  border: 1px solid var(--ink);
}

.bookmarklet:hover {
  transform: translateY(-1px);
}

.bookmarklet:active {
  cursor: grabbing;
  transform: translateY(0);
}

.bm-hint {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* Hero aside - inline preview */
.hero-aside {
  position: sticky;
  top: 96px;
}

.inline-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 28px 28px 24px;
}

.ip-tag {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-bottom: 20px;
  font-family: var(--mono);
  font-weight: 500;
}

.ip-handle {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}

.ip-username {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
}

.ip-body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 18px;
}

.ip-meta {
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.ip-source {
  color: var(--ink);
  font-weight: 500;
  background: linear-gradient(transparent 65%, #f4f4f4 65%);
  padding: 0 2px;
}

.ip-caption {
  margin-top: 18px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--serif);
  font-style: italic;
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 120px 0;
  border-bottom: 1px solid var(--border);
}

.section-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 28px;
  margin-bottom: 72px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.section-num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.section-title {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
}

.section-sub {
  font-size: 13px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

/* Install steps */
.install-steps {
  display: grid;
  gap: 56px;
  max-width: var(--container-narrow);
}

/* ============================================
   Install methods (A: bookmarklet, B: userscript)
   ============================================ */
.methods {
  display: grid;
  gap: 96px;
}

.method {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
}

.method-head {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-right: 24px;
  border-right: 1px solid var(--border);
}

.method-tag {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}

.method-titles { display: flex; flex-direction: column; gap: 6px; }

.method-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.35;
  word-break: keep-all;
}

.method-sub {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  font-family: var(--mono);
}

.method .install-steps {
  gap: 44px;
  max-width: none;
}

.step-body h4 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.env-list {
  margin-top: 14px;
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 10px;
}

.env-list li {
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
  line-height: 1.7;
}

.env-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
}

.env-list strong {
  color: var(--ink);
  font-weight: 600;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.env-list a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.install-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  padding: 14px 28px;
  background: var(--ink);
  color: var(--bg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease;
  border: 1px solid var(--ink);
}

.install-btn:hover { transform: translateY(-1px); }

.install-btn::before {
  content: "↓";
  margin-right: 10px;
  font-size: 16px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 32px;
  align-items: start;
}

.step-num {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding-top: 6px;
  letter-spacing: 0.05em;
}

.step-body h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.step-body p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.85;
}

kbd {
  display: inline-block;
  padding: 1px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  font-weight: 500;
}

.inline-button {
  display: inline-block;
  padding: 3px 10px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  vertical-align: 1px;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  padding: 1px 6px;
  background: var(--bg-section);
  color: var(--ink);
  border-radius: 2px;
}

/* ============================================
   Dark section (How it works)
   ============================================ */
.section-dark {
  background: var(--bg-dark);
  color: var(--bg);
  border-bottom: none;
}

.section-head-light {
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.section-head-light .section-num { color: rgba(255, 255, 255, 0.5); }
.section-head-light .section-title { color: var(--bg); }
.section-head-light .section-sub { color: rgba(255, 255, 255, 0.6); }

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}

.how-text p {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 24px;
}

.how-lead {
  font-family: var(--serif);
  font-size: 28px !important;
  line-height: 1.45 !important;
  color: var(--bg) !important;
  font-weight: 400;
  margin-bottom: 36px !important;
  letter-spacing: -0.01em;
}

.how-text code {
  background: rgba(255, 255, 255, 0.1);
  color: var(--bg);
}

.how-note {
  font-size: 13px !important;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-left: 1px solid rgba(255, 255, 255, 0.5);
  margin-top: 32px;
}

.how-diagram {
  position: sticky;
  top: 96px;
}

.flow {
  display: grid;
  gap: 14px;
  padding: 36px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.flow-node {
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.flow-tag {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  font-family: var(--mono);
}

.flow-body {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--bg);
  line-height: 1.4;
}

.flow-body code {
  font-size: 13px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--bg);
}

.flow-arrow {
  text-align: center;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.35);
}

.flow-result {
  border-color: var(--bg);
}

.flow-result .flow-tag { color: var(--bg); }

/* ============================================
   Specimens
   ============================================ */
.section-specimens {
  background: var(--bg);
}

.specimen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.spec-card {
  padding: 36px 32px 40px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.spec-card:hover {
  background: var(--bg-soft);
}

.spec-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

.spec-name {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.spec-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.spec-card-rare {
  background: var(--ink);
  color: var(--bg);
}

.spec-card-rare:hover { background: var(--ink); }
.spec-card-rare .spec-num { color: rgba(255, 255, 255, 0.5); }
.spec-card-rare .spec-name { color: var(--bg); }
.spec-card-rare .spec-desc { color: rgba(255, 255, 255, 0.7); }

/* ============================================
   Code section
   ============================================ */
.section-code {
  background: var(--bg-soft);
}

.code-intro {
  max-width: var(--container-narrow);
  margin-bottom: 36px;
}

.code-intro p {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.code-block {
  background: var(--ink);
  overflow: hidden;
  border: 1px solid var(--ink);
}

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.code-file {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

.copy-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--bg);
  padding: 6px 16px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.copy-btn.copied {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--bg);
}

.code-block pre {
  padding: 24px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
  white-space: pre-wrap;
  word-break: break-all;
}

.code-block pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
  color: inherit;
  border-radius: 0;
}

/* ============================================
   Warnings
   ============================================ */
.section-warnings {
  padding: 96px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.warnings {
  max-width: var(--container-narrow);
  padding: 40px 48px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 2px solid var(--ink);
}

.warn-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.warn-list {
  padding-left: 22px;
}

.warn-list li {
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.warn-list strong {
  color: var(--ink);
  font-weight: 600;
}

.warn-list a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 36px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.footer-icon {
  display: block;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.footer-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  color: var(--bg);
  letter-spacing: -0.01em;
}

.footer-sub {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}

.footer-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  font-family: var(--mono);
}

.footer-link {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--bg);
  text-decoration: none;
  transition: opacity 0.2s;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 1px;
  align-self: flex-start;
}

.footer-link:hover {
  border-bottom-color: var(--bg);
}

.footer-text {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--bg);
}

.footer-legal {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-legal p {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.02em;
  font-family: var(--mono);
}

/* ============================================
   Toast notification (page only)
   ============================================ */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 14px 24px;
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 920px) {
  .container { padding: 0 20px; }

  .hero { padding: 56px 0 72px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-aside { position: static; }

  .display { font-size: clamp(36px, 11vw, 56px); }
  .lead { font-size: 16px; line-height: 1.8; }

  .bookmarklet-zone { padding: 28px 24px; }
  .bookmarklet {
    width: 100%;
    justify-content: center;
    text-align: center;
    box-sizing: border-box;
    padding: 18px 24px;
    font-size: 16px;
  }

  .section { padding: 64px 0; }

  .section-head {
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 40px;
    padding-bottom: 20px;
  }
  .section-num {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--muted);
    grid-column: 1;
    order: -1;
  }
  .section-title {
    font-size: 36px;
    line-height: 1.1;
  }
  .section-sub {
    font-size: 11px;
    grid-column: 1;
    order: 3;
  }

  /* ==== Install steps: stack number above content ==== */
  .install-steps { gap: 36px; }
  .step {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .step-num {
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--ink);
    font-weight: 600;
    padding-top: 0;
  }
  .step-body h3,
  .step-body h4 {
    font-size: 19px;
    line-height: 1.4;
    margin-bottom: 8px;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }
  .step-body p {
    font-size: 14px;
    line-height: 1.75;
  }

  /* ==== Methods (A/B) on mobile ==== */
  .methods { gap: 56px; }
  .method {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .method-head {
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 16px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: center;
  }
  .method-tag {
    font-size: 40px;
    margin-bottom: 0;
    line-height: 1;
  }
  .method-titles { gap: 2px; }
  .method-title { font-size: 19px; line-height: 1.3; }
  .method-sub { font-size: 11px; }

  /* ==== Install button: full width, no mid-word break ==== */
  .install-btn {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 16px 20px;
    font-size: 14px;
    word-break: keep-all;
    overflow-wrap: break-word;
    line-height: 1.4;
  }

  .env-list li { font-size: 13px; line-height: 1.65; }

  /* ==== How section ==== */
  .how-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .how-diagram { position: static; }
  .how-lead {
    font-size: 22px !important;
    line-height: 1.5 !important;
    margin-bottom: 28px !important;
  }
  .how-text p { font-size: 15px; line-height: 1.85; }
  .flow { padding: 24px; }
  .flow-node { padding: 18px; }
  .flow-body { font-size: 16px; }
  .flow-body code { font-size: 12px; }
  .how-note { font-size: 12px !important; padding: 14px 16px; }

  /* ==== Specimens ==== */
  .specimen-grid { grid-template-columns: 1fr; }
  .spec-card { padding: 24px 22px 28px; }
  .spec-num { margin-bottom: 12px; font-size: 10px; }
  .spec-name { font-size: 14px; margin-bottom: 10px; }
  .spec-desc { font-size: 12px; line-height: 1.65; }

  /* ==== Code section ==== */
  .code-block pre { padding: 16px; font-size: 11px; line-height: 1.7; }
  .code-head { padding: 12px 16px; }
  .code-file { font-size: 11px; }
  .copy-btn { font-size: 11px; padding: 5px 12px; }
  .code-intro p { font-size: 14px; }

  /* ==== Warnings ==== */
  .warnings { padding: 24px 22px; }
  .warn-title { font-size: 20px; margin-bottom: 14px; }
  .warn-list li { font-size: 13px; line-height: 1.8; }
  .warn-list { padding-left: 18px; }

  /* ==== Footer ==== */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 40px;
  }
  .footer-brand { gap: 14px; }
  .footer-icon { width: 32px; height: 32px; }
  .footer-title { font-size: 18px; }
  .footer-sub { font-size: 12px; }
  .footer-label { font-size: 9px; }
  .footer-link, .footer-text { font-size: 13px; }
  .footer-legal p { font-size: 10px; line-height: 1.6; }
  .site-footer { padding: 56px 0 28px; }

  .nav { gap: 18px; }
  .nav a { font-size: 12px; }
}

@media (max-width: 520px) {
  .header-inner { height: 56px; }
  .logo { font-size: 15px; }
  .logo-icon { width: 20px; height: 20px; }
  .nav { gap: 14px; }
  .nav a:not(:last-child) { display: none; }

  .display { font-size: clamp(32px, 10vw, 48px); }
  .section { padding: 56px 0; }
  .section-title { font-size: 30px; }
  .how-lead { font-size: 20px !important; }
}