/* Medical Slide marketing site — Cloudflare OS-inspired precision */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&display=swap");

:root {
  --ink: #101418;
  --ink-2: #2a313a;
  --muted: #66707d;
  --faint: #8b949e;
  --border: #dde2e8;
  --border-strong: #b8c0ca;
  --card: #f6f7f9;
  --card-2: #eef1f4;
  --accent: #1a5fb4;
  --accent-soft: rgba(26, 95, 180, 0.08);
  --warn: #9a3412;
  --bg: #ffffff;
  --shadow:
    0 1px 2px rgba(16, 20, 24, 0.04), 0 24px 64px rgba(16, 20, 24, 0.08);
  --shadow-soft: 0 12px 40px rgba(16, 20, 24, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --sans:
    "IBM Plex Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  --serif: "Newsreader", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, monospace;
  --wrap: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.55;
  font-size: 16px;
}

:lang(ja) {
  text-wrap: pretty;
  word-break: auto-phrase;
}

a {
  color: inherit;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

code,
pre {
  font-family: var(--mono);
}

.wrap {
  width: min(100% - 48px, var(--wrap));
  margin-inline: auto;
}

.wrap-wide {
  width: min(100% - 48px, 1240px);
  margin-inline: auto;
}

/* ── Top nav ── */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(1.2) blur(12px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.topnav.is-scrolled {
  border-bottom-color: var(--border);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand__mark {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--ink);
  position: relative;
}

.brand__mark::after {
  content: "";
  position: absolute;
  left: 3px;
  right: 3px;
  top: 7px;
  height: 2px;
  background: #fff;
}

.topnav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  font-size: 14px;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
}

.nav-link:hover {
  color: var(--ink);
  background: var(--card);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 560;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    transform 0.2s var(--ease),
    background 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: #154d93;
}

.btn-ink {
  background: var(--ink);
  color: #fff;
}

.btn-ink:hover {
  background: #000;
}

.btn-ghost {
  background: #fff;
  border-color: var(--border-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-lg {
  height: 48px;
  padding: 0 24px;
  font-size: 15px;
}

.gh-icon {
  width: 16px;
  height: 16px;
}

/* ── Hero ── */
.hero {
  padding: 72px 0 28px;
  text-align: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  background: #fff;
  margin-bottom: 28px;
  animation: rise 0.8s var(--ease) both;
}

.pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(40px, 6.2vw, 64px);
  letter-spacing: -0.035em;
  line-height: 1.08;
  max-width: 14ch;
  margin: 0 auto;
  animation: rise 0.9s var(--ease) 0.05s both;
}

.hero__sub {
  margin: 22px auto 0;
  max-width: 52ch;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted);
  font-weight: 400;
  line-height: 1.55;
  animation: rise 0.9s var(--ease) 0.1s both;
}

.hero__cta {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  animation: rise 0.9s var(--ease) 0.15s both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── Showcase (CF OS-style tabs + product frame) ── */
.showcase {
  padding: 20px 0 88px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  margin-bottom: 20px;
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 18px 16px 16px;
  cursor: pointer;
  border-right: 1px solid var(--border);
  position: relative;
  min-width: 0;
  transition: background 0.2s var(--ease);
}

.tab:last-child {
  border-right: 0;
}

.tab:hover {
  background: var(--card);
}

.tab[aria-selected="true"] {
  background: #fff;
}

.tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--accent);
}

.tab__n {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faint);
  margin-bottom: 6px;
}

.tab[aria-selected="true"] .tab__n {
  color: var(--accent);
}

.tab__title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 4px;
}

.tab__desc {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.stage {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(180deg, #fbfbfc 0%, #f3f5f7 100%);
  padding: 18px;
  box-shadow: var(--shadow);
}

.stage__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding: 0 4px;
}

.stage__dots {
  display: flex;
  gap: 6px;
}

.stage__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #d5dae1;
}

.stage__title {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

.stage__panel {
  display: none;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
}

.stage__panel.is-active {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  animation: fade 0.35s var(--ease);
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.panel-copy {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  border-right: 1px solid var(--border);
  background: #fff;
}

.panel-copy h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 2.6vw, 34px);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.panel-copy p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
  max-width: 38ch;
}

.prompt {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-2);
}

.prompt strong {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.panel-media {
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background:
    radial-gradient(
      circle at 30% 20%,
      rgba(26, 95, 180, 0.06),
      transparent 40%
    ),
    linear-gradient(160deg, #fafbfc, #eef2f6);
}

.panel-media video,
.panel-media img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  background: #fff;
}

.gate-card {
  width: min(100%, 420px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.gate-card__head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
}

.gate-card__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.gate-card__row:last-child {
  border-bottom: 0;
}

.badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 8px;
  border-radius: 999px;
  align-self: center;
}

.badge-pass {
  background: #e8f1fb;
  color: #0f3d7a;
}

.badge-stop {
  background: #fff1e8;
  color: #7c2d12;
}

.install-mini pre {
  background: var(--ink);
  color: #e8eaed;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 12.5px;
  line-height: 1.7;
  overflow-x: auto;
}

.install-mini .c {
  color: #8b949e;
}

/* ── Platform sections ── */
.block {
  padding: 96px 0;
  border-top: 1px solid var(--border);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.block h2 {
  font-family: var(--serif);
  font-weight: 350;
  font-size: clamp(32px, 4.2vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1.12;
  max-width: 16ch;
}

.block .lede {
  margin-top: 18px;
  font-size: 17px;
  color: var(--muted);
  max-width: 58ch;
  line-height: 1.65;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 8px;
}

.feature-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.feature-list .n {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--faint);
  padding-top: 4px;
}

.feature-list h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}

.feature-list p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
}

.cases {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.case {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition:
    border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.case:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.case img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--card);
}

.case__body {
  padding: 22px 22px 24px;
}

.case h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.case .ask {
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-2);
  margin-bottom: 12px;
}

.case p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

.metrics {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.metric {
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}

.metric .v {
  display: block;
  font-family: var(--serif);
  font-size: clamp(40px, 4vw, 52px);
  font-weight: 350;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.metric .k {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.4;
}

.demo-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.demo-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition:
    border-color 0.2s var(--ease),
    transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
  min-height: 168px;
}

.demo-card:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.demo-card .lang {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.demo-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.demo-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.demo-card .open {
  margin-top: auto;
  padding-top: 14px;
  font-size: 14px;
  font-weight: 600;
}

.safety-table {
  width: 100%;
  margin-top: 40px;
  border-collapse: collapse;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.safety-table th,
.safety-table td {
  text-align: left;
  padding: 16px 14px;
  vertical-align: top;
}

.safety-table th {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
}

.safety-table td {
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--border);
}

.safety-table tr:last-child td {
  border-bottom: 0;
}

.safety-table td:first-child {
  font-weight: 600;
  white-space: nowrap;
  width: 140px;
}

.steps {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  align-items: start;
}

.step .n {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--faint);
  line-height: 1;
  padding-top: 6px;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
}

.step pre {
  background: var(--ink);
  color: #e8eaed;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.65;
  overflow-x: auto;
}

.step .c {
  color: #8b949e;
}

.cta-band {
  margin-top: 72px;
  padding: 48px;
  border-radius: calc(var(--radius) + 4px);
  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(26, 95, 180, 0.12),
      transparent 35%
    ),
    var(--ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}

.cta-band h2 {
  font-family: var(--serif);
  font-weight: 350;
  font-size: clamp(28px, 3.5vw, 40px);
  letter-spacing: -0.03em;
  max-width: 14ch;
  color: #fff;
}

.cta-band p {
  margin-top: 10px;
  color: #aab3bf;
  max-width: 42ch;
}

.cta-band .btn-accent {
  background: #fff;
  color: var(--ink);
}

.cta-band .btn-ghost {
  background: transparent;
  color: #fff;
  border-color: #66707d;
}

.cta-band .btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.author {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 36px;
}

.author p {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.75;
}

.author p + p {
  margin-top: 16px;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0 56px;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  align-items: baseline;
}

.site-footer p {
  font-size: 13px;
  color: var(--muted);
}

.site-footer a {
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

@media (max-width: 980px) {
  .tabs {
    grid-template-columns: 1fr;
  }

  .tab {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .tab:last-child {
    border-bottom: 0;
  }

  .tab[aria-selected="true"]::after {
    left: 0;
    right: auto;
    top: 12px;
    bottom: 12px;
    width: 2px;
    height: auto;
  }

  .stage__panel.is-active {
    grid-template-columns: 1fr;
  }

  .panel-copy {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .panel-media {
    min-height: 280px;
  }

  .split,
  .author,
  .cases,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .wrap,
  .wrap-wide {
    width: min(100% - 32px, var(--wrap));
  }

  .hero {
    padding-top: 48px;
  }

  .hero h1 {
    max-width: none;
  }

  .topnav__actions .nav-link:not(.lang) {
    display: none;
  }

  .metrics {
    grid-template-columns: 1fr;
  }

  .cta-band {
    padding: 32px 24px;
  }

  .block {
    padding: 72px 0;
  }
}

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