/* Windows edition: official pink identity, stable text rendering and responsive layout. */
:root {
  color-scheme: light;
  --bg: #fcfafb;
  --fg: #29232a;
  --muted: #655d65;
  --accent: #bf2568;
  --accent-hover: #9f1952;
  --accent-soft: #fff0f6;
  --pro: #a91f5d;
  --pro-soft: #fce7f0;
  --card-bg: #fff;
  --border: #eadfe5;
  --max: 1160px;
  --shadow: 0 8px 28px #51263b08;
}
body { font-family: "Segoe UI", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif; line-height: 1.8; -webkit-text-size-adjust: 100%; }
html:lang(ja) body { font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif; font-weight: 500; }
::selection { background: #f8cde0; color: #60233e; }
a:focus-visible, button:focus-visible, video:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header { position: relative; }
.header-inner { padding: 18px 28px; gap: 24px; }
.brand { font-family: "Segoe UI", sans-serif; font-size: 19px; letter-spacing: -.03em; }
.nav { justify-content: flex-end; gap: 8px 20px; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; }
.nav a[aria-current="page"] { color: var(--accent); font-weight: 700; }
.lang-picker-btn { min-height: 44px; }
.lang-picker-menu { max-height: min(420px, 65vh); }
.lang-picker-menu li { min-height: 44px; }
.windows-download-banner { margin-top: 16px; padding-inline: 28px; }
.windows-download-link { background: linear-gradient(105deg, #422432, #682744); border-color: #7b3b59; box-shadow: 0 8px 24px #72244412; }
.windows-download-product { color: #f4dce7; }
.windows-download-arrow { background: #c62b6b; }
.hero { padding: 32px 28px 0; }
.windows-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 36px; align-items: center; padding: 40px 32px; border: 1px solid var(--border); border-radius: 26px; background: radial-gradient(ellipse at 5% 0, #fce5ef, transparent 60%), #fff; text-align: start; }
.windows-intro-copy { min-width: 0; }
.hero-brand { flex-direction: row; gap: 14px; margin-bottom: 24px; justify-content: flex-start; }
.hero-logo { width: 62px; height: 62px; border-radius: 12px; box-shadow: none; }
/* Do not use transparent text or background-clip here: dark-mode shorthand previously rendered a bar. */
.hero-wordmark { margin: 0; color: var(--accent); background: none; -webkit-text-fill-color: var(--accent); filter: none; text-shadow: none; font-family: "Segoe UI", sans-serif; font-size: 26px; font-weight: 750; line-height: 1.3; }
.hero-copy { max-width: none; margin: 0 0 24px; }
.hero-catch, html:lang(ja) .hero-catch { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.55; font-weight: 700; letter-spacing: -.035em; white-space: normal; text-wrap: balance; overflow-wrap: break-word; }
.hero-title { font-size: 15px; line-height: 1.9; gap: 6px; }
.hero-screenshot-wrap { margin: 0; min-width: 0; }
.hero-screenshot { max-width: none; border-radius: 16px; box-shadow: 0 12px 28px #72244412; }
.hero-cta { margin: 0; }
.btn-store { background: var(--accent); box-shadow: 0 5px 14px #bf25681c; border: 1px solid transparent; border-radius: 12px; padding: 14px 22px; min-height: 52px; font-size: 15px; line-height: 1.6; text-align: center; max-width: 100%; overflow-wrap: anywhere; }
.btn-store:hover { background: var(--accent-hover); }
.cta-sub { margin-top: 10px; font-size: 12px; font-weight: 500; }
.trust-line { margin: 18px 0 0; font-size: 12px; }
.hero-features { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; max-width: none; margin: 26px 0 0; padding: 26px; border-radius: 18px; box-shadow: none; text-align: start; }
.hero-features:empty { display: none; }
.hero-features li { padding: 0; margin: 0; font-size: 13px; line-height: 1.85; color: var(--muted); }
.hero-features li::before { display: none; }
.hero-features strong { font-size: 15px; color: var(--accent); }
.windows-demo { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1fr); align-items: center; gap: 40px; margin: 44px 0 60px; padding: 32px; background: #f5eff2; border-radius: 22px; text-align: start; }
.windows-demo h2 { font-size: 24px; line-height: 1.5; margin: 0 0 14px; color: var(--fg); text-wrap: balance; }
.windows-demo p { margin: 0; font-size: 15px; color: var(--muted); }
.hero-video-wrap { margin: 0; min-width: 0; }
.hero-video { max-width: 100%; aspect-ratio: 16 / 9; object-fit: contain; border: 1px solid var(--border); border-radius: 14px; background: #eee6ea; }
main { padding: 0 28px 32px; }
.section { margin-bottom: 60px; }
.section h2 { font-size: clamp(23px, 2.6vw, 30px); line-height: 1.6; margin-bottom: 26px; font-weight: 700; text-wrap: balance; }
.section h2::after { content: ""; display: block; width: 36px; height: 3px; border-radius: 3px; margin: 12px auto 0; background: #e969a0; }
.problem { padding: 34px; border-radius: 22px; box-shadow: none; }
.problem-list { max-width: 800px; margin: 0 auto 24px; line-height: 1.9; }
.problem-list li::marker { color: var(--accent); }
.problem-solution { background: var(--accent-soft); border: 0; border-radius: 12px; padding: 20px 24px; font-size: 15px; }
.cards { gap: 20px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards article { padding: 26px; border-radius: 18px; box-shadow: none; }
.cards h3 { font-size: 17px; line-height: 1.65; color: var(--accent); margin-bottom: 10px; }
.cards p { font-size: 14px; line-height: 1.9; }
#benefits-grid { counter-reset: benefit; }
#benefits-grid article::before { counter-increment: benefit; content: "0" counter(benefit); display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; margin-bottom: 18px; background: var(--accent-soft); color: var(--accent); border-radius: 11px; font-family: "Segoe UI", sans-serif; font-weight: 700; font-size: 13px; }
.pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.price-card { padding: 30px; border-radius: 20px; box-shadow: none; }
.price-card-pro { border: 2px solid #dd86aa; background: linear-gradient(145deg, #fff0f6, #fff); }
.price-card h3 { font-size: 18px; }
.price { font-size: 27px; line-height: 1.55; margin: 12px 0 18px; text-wrap: balance; }
.price-card li { margin-bottom: 10px; }
.pricing-note { margin-top: 20px; }
.cta-block { padding: 42px 28px; border: 1px solid #f1cfde; border-radius: 24px; background: radial-gradient(ellipse at 0 0, #fbdce9, transparent 70%), #fff2f7; }
footer { padding: 28px; font-size: 12px; }
@media (max-width: 950px) {
  .header-inner { gap: 16px; }
  .nav { justify-content: center; order: 3; flex: 1 0 100%; }
  .windows-intro { grid-template-columns: minmax(0, 1fr); padding: 28px; gap: 26px; }
  .hero-screenshot { max-width: 760px; }
  .hero-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .windows-demo { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 640px) {
  .header-inner { padding: 14px 18px 6px; gap: 12px; }
  .brand { font-size: 17px; }
  .nav { gap: 0 18px; }
  .nav a { font-size: 12px; min-height: 40px; }
  .windows-download-banner { padding-inline: 18px; }
  .windows-download-link { padding-inline: 12px; gap: 10px; }
  .windows-download-copy strong { font-size: 14px; word-break: normal; }
  .hero { padding: 20px 18px 0; }
  .windows-intro { padding: 24px 20px; border-radius: 20px; }
  .hero-brand { gap: 12px; margin-bottom: 20px; }
  .hero-logo { width: 52px; height: 52px; }
  .hero-wordmark { font-size: 23px; }
  .hero-catch, html:lang(ja) .hero-catch { font-size: 26px; line-height: 1.6; white-space: normal; }
  .hero-title { font-size: 14px; }
  .hero-cta .btn-store { display: block; font-size: 14px; padding: 12px; }
  .trust-line { line-height: 1.8; }
  .hero-features { grid-template-columns: minmax(0, 1fr); padding: 22px; gap: 20px; }
  .hero-features li + li { border-top: 1px solid var(--border); padding-top: 18px; }
  .windows-demo { margin: 28px 0 40px; padding: 24px 20px; }
  .windows-demo h2 { font-size: 22px; }
  main { padding-inline: 18px; }
  .section { margin-bottom: 42px; }
  .section h2 { font-size: 23px; margin-bottom: 22px; }
  .problem, .cards article, .price-card { padding: 24px 20px; }
  .problem-solution { padding: 18px; }
  .cards-3, .cards-4, .pricing-grid { grid-template-columns: minmax(0, 1fr); }
  .cta-block { padding: 30px 20px; }
  .price { font-size: 25px; }
}
@media (max-width: 360px) { .hero-wordmark { font-size: 21px; } .hero-brand { gap: 10px; } .hero-logo { width: 44px; height: 44px; } .hero-catch, html:lang(ja) .hero-catch { font-size: 24px; } }
@media (prefers-reduced-motion: reduce) { .btn-store { transition: none; } .btn-store:hover { transform: none; } }

/* The Store banner now lives within the main introduction. */
.hero-cta .windows-download-link { gap: 12px; padding: 16px; border-radius: 12px; }
.hero-cta .windows-store-icon { width: 32px; height: 32px; flex-basis: 32px; }
.hero-cta .windows-download-copy strong { font-size: 16px; word-break: keep-all; overflow-wrap: anywhere; }
.hero-cta .windows-download-arrow { flex-basis: 34px; height: 34px; font-size: 20px; }
@media (max-width: 640px) {
  .hero-cta .windows-download-link { gap: 10px; padding: 14px 12px; }
  .hero-cta .windows-download-copy strong { font-size: 14px; }
  .hero-cta .windows-download-product { font-size: 10px; }
  .hero-cta .windows-download-arrow { flex-basis: 28px; height: 28px; }
}