:root {
  --ink: #171a22;
  --muted: #626a79;
  --line: #dfe3eb;
  --paper: #f7f8fb;
  --white: #fff;
  --blue: #3d63f2;
  --blue-dark: #2443b8;
  --red: #f0444a;
  --green: #1aa870;
  --night: #161a24;
  --radius: 1.35rem;
  --shadow: 0 24px 80px rgba(27, 37, 65, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--ink); color: #fff; border-radius: .5rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 4.75rem;
  padding: 0 max(1.25rem, calc((100vw - 1200px) / 2));
  display: flex;
  align-items: center;
  gap: 2rem;
  background: rgba(247, 248, 251, .88);
  border-bottom: 1px solid rgba(212, 217, 228, .8);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: .55rem; font-size: .95rem; font-weight: 750; text-decoration: none; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark { width: 1.65rem; height: 1.65rem; display: grid; place-items: center; border: 2px solid currentColor; border-radius: 50%; }
.brand-mark span { width: .55rem; height: .55rem; display: block; background: var(--red); border-radius: 50%; }
.brand-edition { padding: .12rem .42rem; color: var(--blue); background: #e9edff; border-radius: .32rem; font-size: .72rem; letter-spacing: .02em; }
.desktop-nav { margin-left: auto; display: flex; gap: 1.75rem; }
.desktop-nav a { color: #4f5665; font-size: .9rem; font-weight: 650; text-decoration: none; }
.desktop-nav a:hover { color: var(--blue); }
.header-cta { padding: .55rem 1rem; border-radius: 999px; color: #fff; background: var(--ink); font-size: .86rem; font-weight: 700; text-decoration: none; }

.hero {
  width: min(1200px, calc(100% - 2.5rem));
  min-height: 690px;
  margin: 0 auto;
  padding: 6.3rem 0 5.4rem;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 5rem;
  align-items: center;
}
.eyebrow, .section-kicker { color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .13em; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; padding: .35rem .72rem; background: #eef1ff; border: 1px solid #dce3ff; border-radius: 999px; }
.live-dot { width: .45rem; height: .45rem; background: var(--red); border-radius: 50%; box-shadow: 0 0 0 5px rgba(240, 68, 74, .10); }
h1 { margin: 1.35rem 0 1.4rem; font-size: clamp(3.15rem, 5.8vw, 5.15rem); line-height: 1.06; letter-spacing: -.065em; font-weight: 800; }
h1 span { color: var(--blue); }
.hero-lead { max-width: 38rem; margin: 0; color: var(--muted); font-size: 1.1rem; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2rem 0 1.35rem; }
.button { display: inline-flex; min-height: 3.2rem; padding: .72rem 1.35rem; align-items: center; justify-content: center; border-radius: .8rem; font-weight: 750; text-decoration: none; }
.button.primary { color: #fff; background: var(--blue); box-shadow: 0 10px 30px rgba(61, 99, 242, .25); }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary { color: #333946; background: #fff; border: 1px solid var(--line); }
.hero-facts { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin: 0; padding: 0; color: #697180; font-size: .82rem; list-style: none; }
.hero-facts li::before { content: "✓"; margin-right: .4rem; color: var(--green); font-weight: 800; }

.product-scene { position: relative; min-height: 560px; display: grid; place-items: center; isolation: isolate; }
.scene-glow { position: absolute; inset: 7% -2% 4% 5%; z-index: -2; background: radial-gradient(circle at 60% 36%, #d9e1ff 0, #edf0ff 30%, transparent 68%); filter: blur(1px); }
.product-scene::after { content: ""; position: absolute; inset: 15% 5% 5% 12%; z-index: -1; border: 1px solid #d9deeb; border-radius: 50%; transform: rotate(-10deg); }
.menubar-strip { position: absolute; top: 2rem; left: 5%; right: 0; height: 2.35rem; padding: 0 1rem; display: flex; align-items: center; gap: .9rem; color: #6b7280; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.95); border-radius: .8rem; box-shadow: 0 10px 28px rgba(28,38,65,.08); font-size: .73rem; backdrop-filter: blur(12px); }
.menubar-spacer { flex: 1; }
.app-panel { width: min(420px, 78%); padding: 1.35rem; color: #262b35; background: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.98); border-radius: 1.5rem; box-shadow: var(--shadow); backdrop-filter: blur(20px); }
.panel-head { display: flex; align-items: center; justify-content: space-between; }
.record-state { display: flex; align-items: center; gap: .5rem; font-weight: 800; }
.record-pulse { width: .7rem; height: .7rem; background: var(--red); border-radius: 50%; box-shadow: 0 0 0 6px rgba(240,68,74,.1); }
.elapsed { color: #6d7481; font: 600 .78rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.meeting-name { margin-top: 1.35rem; color: var(--blue); font-size: .76rem; font-weight: 800; }
.meeting-title { margin-top: .15rem; font-size: 1.25rem; font-weight: 760; }
.capture-note { color: #7a8190; font-size: .76rem; }
.track-row { margin: 1.2rem 0 .8rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: .45rem; }
.track-row span { padding: .5rem .25rem; text-align: center; background: #f5f7fa; border: 1px solid #eaedf3; border-radius: .65rem; color: #555d6b; font-size: .7rem; }
.track-row i { display: inline-grid; width: 1rem; height: 1rem; place-items: center; color: #fff; background: var(--green); border-radius: 50%; font-size: .62rem; font-style: normal; }
.panel-divider { height: 1px; margin: 1rem 0; background: #e7eaf0; }
.calendar-row { display: flex; align-items: center; gap: .75rem; }
.calendar-icon { width: 2.2rem; height: 2.2rem; display: grid; place-items: center; color: var(--red); background: #fff5f5; border: 1px solid #f9dada; border-radius: .55rem; font-size: .82rem; font-weight: 800; }
.calendar-row div { flex: 1; display: grid; }
.calendar-row strong { font-size: .77rem; }
.calendar-row small { color: #858c98; font-size: .64rem; }
.toggle { width: 2.15rem; height: 1.25rem; padding: .15rem; display: flex; justify-content: flex-end; background: var(--blue); border-radius: 999px; }
.toggle span { width: .95rem; height: .95rem; background: #fff; border-radius: 50%; }
.stop-demo { width: 100%; margin-top: 1.25rem; padding: .65rem; color: var(--red); background: #fff4f4; border: 1px solid #f8d8da; border-radius: .7rem; font: inherit; font-size: .76rem; font-weight: 800; pointer-events: none; }
.result-card { position: absolute; width: 230px; padding: .82rem 1rem; display: flex; align-items: center; gap: .7rem; background: #fff; border: 1px solid #e6e9f0; border-radius: 1rem; box-shadow: 0 16px 45px rgba(28,38,65,.12); }
.result-card div { flex: 1; display: grid; }
.result-card strong { font-size: .75rem; }
.result-card small { color: #858c98; font-size: .64rem; }
.result-icon { width: 2rem; height: 2rem; display: grid; place-items: center; color: var(--blue); background: #edf0ff; border-radius: .55rem; font-size: .72rem; font-weight: 800; }
.check { color: var(--green); font-weight: 900; }
.card-note { left: 0; bottom: 7rem; transform: rotate(-2deg); }
.card-task { right: -1rem; bottom: 1rem; transform: rotate(2deg); }

.trust-strip { padding: 1.5rem max(1.25rem, calc((100vw - 1200px) / 2)); display: flex; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.trust-strip div { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.trust-strip span { color: #8a919e; font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.trust-strip strong { font-size: .9rem; }

.section { padding: 7.5rem max(1.25rem, calc((100vw - 1200px) / 2)); }
.section-heading { max-width: 760px; margin-bottom: 3rem; }
.section-heading.compact { max-width: 670px; }
.section-kicker { margin: 0 0 .8rem; }
.section-kicker.light { color: #aebcff; }
.section h2 { margin: 0; font-size: clamp(2.25rem, 4.2vw, 4rem); line-height: 1.23; letter-spacing: -.05em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.05rem; }

.workflow { background: #fff; }
.workflow-line { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--ink); }
.workflow-line article { position: relative; padding: 2rem 1.5rem 0 0; }
.workflow-line article::before { content: ""; position: absolute; top: -.42rem; left: 0; width: .72rem; height: .72rem; background: var(--paper); border: 2px solid var(--ink); border-radius: 50%; }
.workflow-line article:first-child::before { background: var(--red); border-color: var(--red); }
.step-number { color: #9ca3af; font: 700 .72rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.workflow-line h3 { margin: .7rem 0 .45rem; font-size: 1.08rem; }
.workflow-line p { margin: 0; color: var(--muted); font-size: .9rem; }

.features { background: var(--paper); }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.feature-card { min-height: 330px; padding: 2rem; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature-wide { min-height: 290px; grid-column: span 2; flex-direction: row; align-items: center; gap: 3rem; }
.feature-wide > div:first-child { flex: 1; }
.feature-label { color: var(--blue); font-size: .68rem; font-weight: 850; letter-spacing: .13em; }
.feature-card h3 { max-width: 32rem; margin: auto 0 .65rem; font-size: 1.45rem; line-height: 1.4; letter-spacing: -.025em; }
.feature-card p { max-width: 38rem; margin: 0; color: var(--muted); font-size: .92rem; }
.dark-card { color: #fff; background: var(--night); border-color: var(--night); }
.dark-card .feature-label { color: #95a8ff; }
.dark-card p { color: #b8bfcc; }
.card-icon, .mini-calendar { margin: 2rem 0 1rem; }
.transcript-icon { width: 4.5rem; height: 4.5rem; display: grid; place-items: center; color: var(--blue); background: #eef1ff; border-radius: 1.2rem; font-size: 1.5rem; font-weight: 800; }
.mini-calendar { width: 5rem; padding: .45rem; display: grid; text-align: center; color: var(--red); background: #fff7f7; border: 1px solid #f5dfe0; border-radius: 1rem; }
.mini-calendar span { font-size: .6rem; font-weight: 800; letter-spacing: .14em; }
.mini-calendar strong { font-size: 1.8rem; line-height: 1.2; }
.note-lines { margin-top: 2.4rem; display: grid; gap: .7rem; }
.note-lines i { height: .52rem; background: #e9ecf2; border-radius: 999px; }
.note-lines i:nth-child(1) { width: 72%; background: #cfd8ff; }
.note-lines i:nth-child(2) { width: 92%; }
.note-lines i:nth-child(3) { width: 80%; }
.note-lines i:nth-child(4) { width: 58%; }
.task-stack { margin-top: 2rem; display: flex; gap: .6rem; }
.task-stack span { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; color: var(--green); background: #eaf8f2; border-radius: 50%; font-size: 1.2rem; font-weight: 900; }
.audio-visual { min-width: 38%; height: 145px; display: flex; align-items: center; justify-content: center; gap: .45rem; }
.audio-visual span { width: .38rem; height: 30%; background: linear-gradient(#6e88fa, #a3b3ff); border-radius: 999px; }
.audio-visual span:nth-child(2n) { height: 60%; }
.audio-visual span:nth-child(3n) { height: 88%; background: linear-gradient(var(--red), #ff9b9f); }
.file-chip { min-width: 40%; padding: 1.1rem; display: flex; align-items: center; gap: .9rem; background: #eef1ff; border: 1px solid #dfe5ff; border-radius: 1rem; }
.file-chip > span { width: 2.6rem; height: 2.6rem; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: .75rem; }
.file-chip div { display: grid; min-width: 0; }
.file-chip strong { overflow: hidden; text-overflow: ellipsis; font-size: .8rem; white-space: nowrap; }
.file-chip small { color: #68718b; font-size: .68rem; }

.use-cases { background: #fff; }
.tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tips-grid article { min-height: 220px; padding: 1.6rem; background: #fff; }
.tips-grid span { color: var(--blue); font: 750 .74rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.tips-grid h3 { margin: 1.7rem 0 .4rem; font-size: 1.05rem; }
.tips-grid p { margin: 0; color: var(--muted); font-size: .87rem; }

.install { display: grid; grid-template-columns: .85fr 1.15fr; gap: 5rem; color: #fff; background: var(--night); }
.install-intro > p:not(.section-kicker) { color: #b7bdc9; }
.requirements { margin-top: 2rem; padding: 1.35rem; background: #202632; border: 1px solid #303848; border-radius: 1rem; }
.requirements strong { font-size: .85rem; }
.requirements ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: .35rem 1rem; margin: .7rem 0 0; padding: 0; color: #c2c8d4; font-size: .78rem; list-style: none; }
.requirements li::before { content: "✓"; margin-right: .4rem; color: #7e98ff; }
.install-options { display: grid; gap: 1rem; }
.install-card { padding: 1.7rem; color: var(--ink); background: #fff; border-radius: 1.25rem; }
.install-card.recommended { outline: 2px solid #718cff; }
.install-card-head { min-height: 2rem; display: flex; align-items: center; justify-content: space-between; }
.method-number { width: 2rem; height: 2rem; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: 50%; font-weight: 800; }
.recommend-badge { padding: .25rem .55rem; color: var(--blue); background: #edf0ff; border-radius: 999px; font-size: .68rem; font-weight: 800; }
.install-card h3 { margin: .9rem 0 .5rem; font-size: 1.25rem; }
.install-card ol { margin: .6rem 0 1.1rem; padding-left: 1.35rem; color: var(--muted); font-size: .84rem; }
.copy-button { width: 100%; padding: .78rem; color: #fff; background: var(--blue); border: 0; border-radius: .7rem; font: inherit; font-size: .85rem; font-weight: 800; cursor: pointer; }
.copy-button:hover { background: var(--blue-dark); }
.copy-done { display: none; }
.copy-button.copied .copy-default { display: none; }
.copy-button.copied .copy-done { display: inline; }
.fine-print { margin: .6rem 0 0; color: #7b8290; font-size: .7rem; }
.code-block { padding: .8rem 1rem; overflow-x: auto; color: #dbe2ff; background: #1e2430; border-radius: .7rem; font-size: .73rem; line-height: 1.8; }

.first-run { background: #fff; }
.setup-list { display: flex; flex-wrap: wrap; gap: .65rem; }
.setup-list span { padding: .68rem 1rem; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; font-size: .85rem; font-weight: 700; }
.setup-list span::before { content: "✓"; margin-right: .45rem; color: var(--green); }
.callout { margin-top: 2.2rem; padding: 1.4rem 1.6rem; display: flex; gap: 1.5rem; align-items: baseline; background: #fff8e8; border-left: 4px solid #f4b52f; }
.callout strong { flex: 0 0 auto; }
.callout p { margin: 0; color: #6f654e; font-size: .9rem; }

.privacy { display: grid; grid-template-columns: .9fr 1.1fr; gap: 6rem; color: #fff; background: var(--blue); }
.privacy-copy p:last-child { color: #d7deff; }
.privacy-list { margin: 0; padding: 0; list-style: none; }
.privacy-list li { padding: 1.35rem 0; display: flex; gap: 1.2rem; border-bottom: 1px solid rgba(255,255,255,.2); }
.privacy-list > li > span { color: #b9c5ff; font: 750 .72rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.privacy-list div { display: grid; }
.privacy-list strong { font-size: .95rem; }
.privacy-list small { color: #d6ddff; font-size: .78rem; }

.faq { background: #fff; }
.faq-list { max-width: 900px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 1.35rem 2.5rem 1.35rem 0; position: relative; cursor: pointer; font-weight: 750; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: .2rem; top: 1.15rem; color: var(--blue); font-size: 1.35rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 760px; margin: -.4rem 0 1.4rem; color: var(--muted); font-size: .92rem; }

.alpha-banner { padding: 3rem max(1.25rem, calc((100vw - 1200px) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; color: #fff; background: var(--red); }
.alpha-banner span { font-size: .65rem; font-weight: 850; letter-spacing: .13em; }
.alpha-banner h2 { margin: .4rem 0 0; font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1.25; letter-spacing: -.035em; }
.alpha-banner p { margin: 0; color: #fff1f1; font-size: .9rem; }

footer { padding: 4rem max(1.25rem, calc((100vw - 1200px) / 2)); color: #b7bdc9; background: #10131a; }
.footer-brand { display: flex; align-items: center; gap: .7rem; color: #fff; }
footer > p { max-width: 560px; font-size: .85rem; }
.footer-meta { display: flex; flex-wrap: wrap; gap: .6rem; margin: 2rem 0; }
.footer-meta span { padding: .35rem .65rem; color: #cbd1dc; border: 1px solid #343a46; border-radius: 999px; font-size: .7rem; }
.copyright { color: #686f7b; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .site-header { gap: 1rem; }
  .header-cta { margin-left: auto; }
  .hero { padding-top: 4rem; grid-template-columns: 1fr; gap: 2rem; }
  .hero-copy { max-width: 720px; }
  .product-scene { min-height: 540px; }
  .workflow-line { grid-template-columns: repeat(2, 1fr); border-top: 0; }
  .workflow-line article { padding: 1.5rem 1.2rem 1.5rem 0; border-top: 2px solid var(--ink); }
  .install, .privacy { grid-template-columns: 1fr; gap: 3rem; }
  .tips-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  body { line-height: 1.7; }
  .site-header { height: 4.2rem; }
  .brand > span:not(.brand-mark) { display: none; }
  .header-cta { font-size: .78rem; }
  .hero { width: min(100% - 2rem, 1200px); min-height: 0; padding: 3.6rem 0 3rem; }
  h1 { font-size: clamp(2.6rem, 13vw, 4rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .product-scene { min-height: 470px; margin-top: 1rem; }
  .app-panel { width: 92%; }
  .menubar-strip { left: 0; }
  .result-card { width: 205px; }
  .card-note { left: -1%; bottom: 3.5rem; }
  .card-task { right: -1%; bottom: -.8rem; }
  .trust-strip, .trust-strip div { align-items: flex-start; flex-direction: column; gap: .6rem; }
  .section { padding-top: 5.2rem; padding-bottom: 5.2rem; }
  .workflow-line, .feature-grid, .tips-grid { grid-template-columns: 1fr; }
  .feature-wide { grid-column: span 1; flex-direction: column; align-items: stretch; }
  .feature-card { min-height: 310px; }
  .audio-visual { min-height: 110px; }
  .requirements ul { grid-template-columns: 1fr; }
  .callout { align-items: flex-start; flex-direction: column; gap: .35rem; }
  .alpha-banner { grid-template-columns: 1fr; gap: 1rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .record-pulse { animation: pulse 2s ease-out infinite; }
  .product-scene { animation: rise .6s ease-out both; }
  @keyframes pulse { 0%, 55% { box-shadow: 0 0 0 0 rgba(240,68,74,.22); } 100% { box-shadow: 0 0 0 12px rgba(240,68,74,0); } }
  @keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print { .site-header, .hero-actions, .copy-button { display: none; } .hero, .section { padding: 2rem 0; } body { background: #fff; } }