:root {
  color-scheme: light dark;
  --magenta: #E4007F;
  --cyan: #00A0E9;
  --yellow: #FFF100;
  --black: #111111;
  --white: #FFFFFF;
  --page: var(--white);
  --ink: var(--black);
  --secondary: #4A4A4A;
  --rule: #CFCFCF;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; font-size: 18px; line-height: 1.95; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, figure, dl, dd, ol { margin: 0; }
h1, h2, h3, dt { font-feature-settings: "palt"; }
h1, h2, h3 { font-weight: 700; letter-spacing: -.045em; line-height: 1.48; }
h1 { font-size: clamp(40px, 4.1vw, 60px); }
h2 { font-size: 38px; }
p, dd { overflow-wrap: break-word; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 6px; }
.phrase { display: inline-block; white-space: nowrap; }
/* Key symbols (⌃⇧⌘⌥) look weak in Hiragino: use the system font (SF), which has proper glyphs. */
kbd.keys { font: inherit; font-family: "SF Pro Text", "SF Pro", -apple-system, BlinkMacSystemFont, system-ui, "Hiragino Sans", sans-serif; letter-spacing: .04em; }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.section { padding-block: 112px; }
.hero > *, .how > *, .section-intro > *, .write-detail > *, .snap > *, .redact-detail > *, .export > *, .privacy-inner > *, .faq > *, .closing-inner > * { min-width: 0; }
.screen { display: block; width: 100%; height: auto; }
.eyebrow { display: flex; align-items: center; gap: 13px; margin-bottom: 21px; font-size: 16px; font-weight: 700; letter-spacing: .025em; }
.eyebrow::before, .section-mark { content: ""; display: block; width: 18px; height: 18px; border: 5px solid var(--magenta); flex: 0 0 auto; }
.section-mark { margin-bottom: 24px; }
.lead { margin-top: 26px; color: var(--secondary); }
.masthead { display: flex; align-items: center; padding-block: 28px; }
.brand { display: flex; align-items: center; gap: 14px; font-size: 23px; font-weight: 700; letter-spacing: -.035em; white-space: nowrap; }
.brand img { display: block; }
.hero-band { background: var(--magenta); color: var(--white); }
.hero { display: grid; grid-template-columns: .96fr 1.04fr; align-items: center; gap: 48px; min-height: 704px; padding-block: 64px 78px; }
.hero h1 .phrase:first-child, .hero h1 .phrase:last-child { display: block; }
.hero-description { max-width: 30em; margin-top: 30px; font-size: 17px; line-height: 2; }
.hero-screen { position: relative; padding: 32px 0 32px 32px; }
/* One icon-derived frame behind the whole window; never annotate the screenshot. */
.hero-screen::before { content: ""; position: absolute; inset: 0 40px 0 0; border: 8px solid var(--black); }
.hero-screen::after { content: ""; position: absolute; top: 0; left: 0; width: 32px; height: 8px; background: var(--cyan); }
.hero-screen .screen { position: relative; }
.frame-corner { position: absolute; right: 40px; bottom: 0; width: 32px; height: 8px; background: var(--yellow); }
.store-badges { display: flex; align-items: center; padding: 12px; margin: 25px -12px 0; }
.store-badge, .store-badge picture { display: block; line-height: 0; }
.store-badge img { display: block; width: auto; height: 48px; }
.availability { margin-top: 4px; font-size: 12px; line-height: 1.8; }
.how { display: grid; grid-template-columns: 1fr 1.1fr; gap: 100px; align-items: start; }
.how h2 { font-size: 42px; }
.steps { padding: 0; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 40px 1fr; gap: 24px; padding-block: 24px; border-top: 1px solid var(--rule); }
.steps li:first-child { padding-top: 0; border-top: 0; }
.steps li::before { content: counter(step); color: var(--magenta); font-size: 28px; line-height: 1.55; font-weight: 700; }
.step-text { font-size: 21px; font-weight: 700; line-height: 1.8; letter-spacing: -.025em; }
.note { margin-top: 8px; padding-left: 64px; color: var(--secondary); font-size: 15px; }
.write { border-top: 1px solid var(--rule); }
.section-intro { display: grid; grid-template-columns: 1.05fr 1fr; gap: 100px; align-items: end; }
.section-intro .lead { margin: 0; }
.write-detail { display: grid; grid-template-columns: 1.35fr 1fr; gap: 72px; align-items: start; margin-top: 60px; }
.write-screens { display: grid; gap: 32px; }
.feature-list > div { padding-block: 24px; border-bottom: 1px solid var(--rule); }
.feature-list > div:first-child { padding-top: 0; }
.feature-list > div:last-child { padding-bottom: 0; border-bottom: 0; }
.feature-list dt { font-size: 22px; font-weight: 700; letter-spacing: -.025em; line-height: 1.65; margin-bottom: 10px; }
.feature-list dd { font-size: 16px; color: var(--secondary); }
.snap-band { background: var(--black); color: var(--white); --secondary: #CACACA; }
.snap { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; }
.snap .eyebrow::before { border-color: var(--cyan); }
.snap h2 { font-size: 40px; }
.redact-detail { display: grid; grid-template-columns: 1.35fr 1fr; gap: 72px; align-items: start; margin-top: 60px; }
.caution { position: relative; }
.caution::before { content: ""; position: absolute; left: 0; top: 28px; width: 5px; height: 20px; background: var(--magenta); }
.feature-list .caution dt { padding-left: 16px; font-size: 20px; }
.export-band { background: var(--cyan); color: var(--black); --secondary: var(--black); }
.export { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; }
.export .eyebrow::before { border-color: var(--black); }
.privacy { border-bottom: 1px solid var(--rule); }
.privacy-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.privacy h2 { font-size: 34px; }
.prose p + p { margin-top: 18px; }
.text-link { display: inline-block; font-size: 16px; margin-top: 25px; }
.faq { display: grid; grid-template-columns: 1fr 1.7fr; gap: 90px; }
.faq h2 { font-size: 31px; }
.faq-list dt { font-size: 21px; }
.faq-list dd { font-size: 17px; }
.closing { padding-bottom: 80px; }
.closing-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; padding-block: 50px; border-block: 3px solid var(--ink); align-items: center; }
.closing h2 { font-size: 30px; }
.closing .store-badges { margin-top: 0; }
.footer { padding-bottom: 44px; font-size: 12px; color: var(--secondary); }
.footer-links { display: flex; flex-wrap: wrap; gap: 15px 32px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-top: 30px; }
.operator > div { display: flex; gap: 18px; }
.operator dt { min-width: 7em; }
.copyright { white-space: nowrap; }
@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: arrive .65s ease-out both; }
  .hero-screen { animation: arrive .75s .12s ease-out both; }
  @keyframes arrive { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
}
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  h1 { font-size: clamp(29px, 3.8vw, 43px); }
  h2 { font-size: 33px; }
  .hero { gap: 30px; min-height: 620px; }
  .hero-description { font-size: 16px; }
  .how, .section-intro, .snap, .export, .privacy-inner { gap: 50px; }
  .how h2 { font-size: 32px; }
  .snap h2, .export h2 { font-size: 31px; }
  .write-detail, .redact-detail { gap: 40px; }
  .faq { gap: 50px; }
  .closing-inner { gap: 40px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; line-height: 1.95; }
  .wrap { width: calc(100% - 40px); }
  .section { padding-block: 68px; }
  h1 { font-size: clamp(29px, 8.3vw, 43px); line-height: 1.55; letter-spacing: -.04em; }
  h2 { font-size: 28px; line-height: 1.6; letter-spacing: -.04em; }
  .eyebrow { font-size: 14px; gap: 11px; margin-bottom: 18px; }
  .eyebrow::before, .section-mark { width: 16px; height: 16px; border-width: 4px; }
  .masthead { padding-block: 20px; }
  .brand { font-size: 20px; gap: 12px; }
  .brand img { width: 40px; height: 40px; }
  .hero { grid-template-columns: 1fr; gap: 40px; min-height: 0; padding-block: 42px 48px; }
  .hero-description { margin-top: 23px; font-size: 16px; }
  .hero-screen { padding: 20px 0 20px 20px; border-bottom: 0; }
  .hero-screen::before { right: 24px; border-width: 6px; }
  .hero-screen::after { width: 24px; height: 6px; }
  .frame-corner { right: 24px; width: 24px; height: 6px; }
  .store-badges { padding: 11px; margin: 20px -11px 0; }
  .store-badge img { height: 44px; }
  .availability { font-size: 11px; line-height: 1.9; }
  .how { grid-template-columns: 1fr; gap: 32px; }
  .how h2 { font-size: 30px; }
  .steps li { grid-template-columns: 26px 1fr; gap: 18px; padding-block: 23px; }
  .steps li::before { font-size: 25px; }
  .step-text { font-size: 20px; }
  .note { padding-left: 44px; font-size: 14px; }
  .section-intro { grid-template-columns: 1fr; gap: 23px; }
  .write-detail, .redact-detail { grid-template-columns: 1fr; gap: 36px; margin-top: 34px; }
  .write-screens { gap: 22px; }
  .feature-list dt { font-size: 21px; margin-bottom: 9px; }
  .feature-list dd { font-size: 15px; }
  .feature-list > div { padding-block: 23px; }
  .snap, .export { grid-template-columns: 1fr; gap: 34px; }
  .snap h2 { font-size: 29px; }
  .export h2 { font-size: 28px; }
  .snap .lead, .export .lead { margin-top: 23px; }
  .feature-list .caution dt { font-size: 19px; }
  .caution::before { top: 27px; height: 18px; }
  .privacy-inner { grid-template-columns: 1fr; gap: 24px; }
  .privacy h2 { font-size: 28px; }
  .text-link { margin-top: 22px; font-size: 15px; }
  .faq { grid-template-columns: 1fr; gap: 30px; }
  .faq h2 { font-size: 28px; }
  .faq-list dt { font-size: 20px; }
  .faq-list dd { font-size: 15px; }
  .closing { padding-bottom: 48px; }
  .closing-inner { grid-template-columns: 1fr; gap: 25px; padding-block: 32px; }
  .closing h2 { font-size: 26px; }
  .footer { font-size: 11px; padding-bottom: 30px; }
  .footer-links { gap: 12px 22px; }
  .footer-bottom { display: block; margin-top: 26px; }
  .operator > div { gap: 11px; }
  .copyright { margin-top: 24px; }
}
@media (prefers-color-scheme: dark) {
  :root { --page: var(--black); --ink: var(--white); --secondary: #CACACA; --rule: #4F4F4F; }
  .hero-band, .export-band { background: var(--black); }
  .hero-band { border-top: 8px solid var(--magenta); }
  .hero-screen::before { border-color: var(--magenta); }
  .steps li::before { color: var(--white); }
  .snap-band { border-block: 1px solid var(--rule); }
  .export-band { color: var(--white); --secondary: #CACACA; border-block: 1px solid var(--rule); }
  .export .eyebrow::before { border-color: var(--cyan); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}