:root {
  --sfr-green-primary: #10b981;
  --sfr-green-accent: #34d399;
  --sfr-green-dark: #059669;
  --sfr-green-soft: rgba(16, 185, 129, .12);
  --sfr-green-border: rgba(16, 185, 129, .30);
  --sfr-green-glow: rgba(16, 185, 129, .18);
  --sfr-bg: #020617;
  --sfr-surface: #0f172a;
  --sfr-surface-raised: #1e293b;
  --sfr-line: #334155;
  --sfr-text: #f8fafc;
  --sfr-muted: #94a3b8;
  --sfr-muted-strong: #cbd5e1;
  --shell: min(1280px, calc(100vw - 52px));
  --radius-large: 28px;
  --radius-medium: 20px;
  --shadow: 0 30px 90px rgba(0, 0, 0, .36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--sfr-bg); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--sfr-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  background:
    radial-gradient(circle at 78% 5%, rgba(5, 150, 105, .16), transparent 28%),
    radial-gradient(circle at 5% 54%, rgba(16, 185, 129, .07), transparent 26%),
    linear-gradient(180deg, #020617 0%, #07101d 48%, #020617 100%);
  line-height: 1.72;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a[href] { cursor: pointer; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.shell { width: var(--shell); margin-inline: auto; }

html[data-lang="ja"] :where(p, li) {
  word-break: auto-phrase;
  overflow-wrap: normal;
  line-break: strict;
}

:where(h1, h2, h3, h4, .button, .text-link, .pill, .price, .section-kicker, .eyebrow, .experience-steps em) {
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}

html[data-lang="ja"] :where(h1, h2, h3, h4) {
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
}

:where(a, button):focus-visible {
  outline: 2px solid var(--sfr-green-accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-140%);
  border-radius: 8px;
  background: var(--sfr-green-accent);
  padding: 9px 13px;
  color: var(--sfr-bg);
  font-size: 12px;
  font-weight: 800;
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(110px);
  pointer-events: none;
}
.ambient-a { width: 520px; height: 520px; top: 4%; right: -280px; background: rgba(16, 185, 129, .16); }
.ambient-b { width: 640px; height: 640px; bottom: 3%; left: -390px; background: rgba(5, 150, 105, .10); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(148, 163, 184, .13);
  background: rgba(2, 6, 23, .84);
  backdrop-filter: blur(20px);
}
.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  transition: opacity .2s ease;
}
.brand:hover { opacity: .82; }
.brand img { filter: drop-shadow(0 12px 26px rgba(16, 185, 129, .17)); }
.brand > span { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font-size: 17px; letter-spacing: .08em; }
.brand small { margin-top: 7px; color: #94a3b8; font-size: 7px; font-weight: 700; letter-spacing: .24em; white-space: nowrap; }
.header-brand { gap: 12px; }
.header-brand img { width: 42px; height: 42px; }
.header-brand-copy { line-height: 1.05; }
.header-brand strong { font-size: 15px; font-weight: 800; letter-spacing: .01em; white-space: nowrap; }
.header-brand small { margin-top: 6px; color: #768ba5; font-size: 7px; font-weight: 650; letter-spacing: .22em; }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.language-switch {
  display: flex;
  border: 1px solid var(--sfr-line);
  border-radius: 999px;
  background: rgba(15, 23, 42, .9);
  padding: 4px;
  color: var(--sfr-muted);
}
.language-switch span {
  border-radius: 999px;
  padding: 6px 9px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  white-space: nowrap;
}
.language-switch .active { background: var(--sfr-green-dark); color: var(--sfr-bg); }
.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--sfr-line);
  border-radius: 12px;
  background: var(--sfr-surface);
  padding: 10px;
  color: #fff;
}
.menu-button span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: currentColor; transition: transform .2s ease; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.mobile-menu { border-top: 1px solid rgba(148, 163, 184, .13); background: #07101f; padding: 10px 24px 22px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--sfr-muted-strong); font-size: 13px; }
.mobile-menu a:hover, .mobile-menu a:focus-visible { color: var(--sfr-green-accent); }

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 0 21px;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  background: linear-gradient(115deg, #34d399, #10b981 58%, #059669);
  box-shadow: 0 17px 46px rgba(16, 185, 129, .22);
  color: #020617;
}
.button-primary:hover { box-shadow: 0 22px 58px rgba(16, 185, 129, .34); }
.button-secondary, .button-ghost { border-color: #334155; background: rgba(15, 23, 42, .88); color: #e2e8f0; }
.button-secondary:hover, .button-ghost:hover { border-color: rgba(52, 211, 153, .55); background: #152237; }
.button-ghost { min-height: 42px; padding-inline: 15px; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.18; text-wrap: balance; }
.section { padding-block: 112px; }
.section-kicker {
  margin: 0 0 14px;
  color: var(--sfr-green-accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .18em;
}
.section-heading {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: end;
  gap: 54px;
  margin-bottom: 44px;
}
.section-heading h2, .compact-heading h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading > p { margin: 0; color: #9cacc0; font-size: 14px; line-height: 1.85; text-wrap: pretty; }
.compact-heading { margin-bottom: 38px; }

.hero {
  min-height: 740px;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  align-items: center;
  gap: 46px;
  padding-block: 66px 92px;
}
.hero-copy { min-width: 0; }
.hero h1 {
  max-width: 690px;
  margin: 0 0 26px;
  background: linear-gradient(100deg, #f8fafc 0%, #d1fae5 58%, #34d399 100%);
  background-clip: text;
  color: transparent;
  font-size: clamp(48px, 4.45vw, 64px);
  line-height: 1.07;
  letter-spacing: -.052em;
}
.hero-title-line { display: block; }
.hero-title-line:empty { display: none; }
html[data-lang="en"] .hero h1 { letter-spacing: -.055em; word-spacing: .08em; }
.hero-lead { max-width: 690px; margin: 0; color: #a7b4c6; font-size: clamp(15px, 1.25vw, 18px); line-height: 1.9; text-wrap: pretty; }
.hero-lead span { display: block; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 20px;
  margin-top: 34px;
  border-top: 1px solid rgba(148, 163, 184, .18);
  padding-top: 20px;
}
.hero-proof div { min-width: 0; }
.hero-proof strong {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cfe9e2;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
  letter-spacing: .01em;
  white-space: nowrap;
}
.hero-proof strong::before { content: ""; width: 5px; height: 5px; flex: 0 0 auto; border-radius: 50%; background: var(--sfr-green-accent); box-shadow: 0 0 12px rgba(52, 211, 153, .42); }
.hero-stage { position: relative; min-width: 0; padding: 42px 12px 0 24px; }
.stage-grid {
  position: absolute;
  inset: 0 0 38px 10px;
  border-radius: 36px;
  background-image: linear-gradient(rgba(52, 211, 153, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(52, 211, 153, .08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 82%, transparent);
}
.screen-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(52, 211, 153, .27);
  border-radius: 24px;
  background: #060d1d;
  box-shadow: var(--shadow), 0 0 70px rgba(16, 185, 129, .09);
}
.hero-screen { transform: rotate(-.5deg); }
.screen-bar { height: 39px; display: flex; align-items: center; gap: 6px; border-bottom: 1px solid #1e293b; padding: 0 13px; background: #0b1425; }
.screen-bar i { width: 7px; height: 7px; border-radius: 50%; background: #334155; }
.screen-bar i:first-child { background: var(--sfr-green-primary); }
.screen-bar span { margin-left: 7px; color: #64748b; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 8px; font-style: normal; letter-spacing: .09em; }
.hero-visual { position: relative; aspect-ratio: 16 / 10; background: var(--sfr-bg); }
.media-deck { position: relative; isolation: isolate; overflow: hidden; }
.media-deck > img, .media-deck > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transform: scale(1.015);
  transition: opacity .45s ease, transform .8s ease;
}
.media-deck > img.is-active, .media-deck > video.is-active { opacity: 1; transform: scale(1); }

.about-section {
  border-block: 1px solid rgba(148, 163, 184, .12);
  background: linear-gradient(135deg, rgba(15, 32, 49, .94), rgba(7, 20, 34, .96));
}
.about-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: clamp(44px, 7vw, 96px); align-items: start; }
.about-intro h2 { margin: 0; font-size: clamp(36px, 4.3vw, 58px); line-height: 1.08; letter-spacing: -.05em; }
.about-intro h2 span { display: block; white-space: nowrap; }
.about-statement { max-width: 540px; margin: 26px 0 0; color: #e2e8f0; font-size: clamp(18px, 1.8vw, 24px); font-weight: 750; line-height: 1.65; }
.about-copy { display: grid; max-width: 700px; gap: 20px; padding-top: 0; }
.about-copy p { margin: 0; color: #9fadc0; font-size: 15px; line-height: 1.95; text-wrap: pretty; }
.about-closing { display: flex; flex-wrap: wrap; gap: 0 .28em; margin-top: 8px; color: #f8fafc; font-size: 18px; letter-spacing: .01em; }
.about-closing span { display: inline-block; }

.benefits-section { border-block: 1px solid rgba(148, 163, 184, .12); background: linear-gradient(180deg, rgba(15, 23, 42, .64), rgba(2, 6, 23, .18)); }
.benefit-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.benefit-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, .13);
  border-radius: var(--radius-medium);
  background: linear-gradient(145deg, rgba(15, 32, 46, .98), rgba(7, 17, 31, .98));
  padding: 25px;
}
.benefit-card::after { content: ""; position: absolute; right: -60px; bottom: -80px; width: 160px; height: 160px; border: 1px solid rgba(52, 211, 153, .15); border-radius: 50%; box-shadow: 0 0 0 24px rgba(52, 211, 153, .03); }
.benefit-index { color: #5e7186; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.benefit-card h3 { margin: 24px 0 10px; color: #d1fae5; font-size: 22px; letter-spacing: -.025em; }
.benefit-card p { position: relative; z-index: 1; margin: 0; color: #9aacbf; font-size: 13px; line-height: 1.78; text-wrap: pretty; }

.speaker-section { background: radial-gradient(circle at 82% 18%, rgba(16, 185, 129, .10), transparent 28%); }
.speaker-section .section-heading > p { color: #d1fae5; font-size: 14px; font-weight: 400; line-height: 1.85; }
.flagship-card {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 28px;
  border: 1px solid var(--sfr-green-border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(6, 30, 32, .98), rgba(6, 15, 29, .98));
  padding: 30px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .24);
}
.flagship-media { position: relative; min-width: 0; aspect-ratio: 16 / 10; align-self: center; overflow: hidden; border: 1px solid rgba(52, 211, 153, .22); border-radius: 22px; background: var(--sfr-bg); }
.flagship-copy { display: flex; flex-direction: column; min-width: 0; padding: 16px 10px 12px 0; }
.flagship-copy h3 { margin: 0; font-size: 31px; line-height: 1.18; letter-spacing: -.04em; word-spacing: .12em; }
.product-lead { margin: 22px 0 19px; color: #c7d4e4; font-size: 14px; line-height: 1.8; text-wrap: pretty; }
.product-strength-grid { display: grid; grid-template-columns: 1fr; gap: 10px; margin-bottom: 19px; }
.product-strength-card { min-width: 0; display: grid; grid-template-columns: 118px minmax(0, 1fr); column-gap: 24px; align-items: start; border: 1px solid rgba(52, 211, 153, .22); border-radius: 17px; background: linear-gradient(145deg, rgba(16, 185, 129, .09), rgba(15, 23, 42, .68)); padding: 16px 18px; }
.product-strength-card h4 { grid-column: 1 / -1; margin: 0; color: #a7f3d0; font-size: 9px; font-weight: 850; letter-spacing: .15em; white-space: nowrap; }
.product-strength-stat { grid-column: 1; grid-row: 2 / span 2; align-self: center; display: block; margin-top: 11px; color: #f0fdf4; font-size: 42px; line-height: 1; letter-spacing: -.045em; text-shadow: 0 0 28px rgba(52, 211, 153, .17); }
.product-strength-card > p { grid-column: 2; margin: 11px 0 0; color: #aebdcd; font-size: 10px; line-height: 1.65; text-wrap: pretty; }
.product-strength-card > .product-strength-title { color: #d1fae5; font-size: 11px; font-weight: 750; line-height: 1.5; word-break: keep-all; }
.product-strength-card > .product-strength-title + p { margin-top: 6px; }
.product-strength-description span { display: block; }
.product-strength-description span.mobile-keep-together { display: inline; }
.product-strength-description span:empty { display: none; }
.feature-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 21px; color: #9eafc2; font-size: 12px; line-height: 1.6; }
.feature-list li::before { content: "↗"; position: absolute; left: 0; top: 0; color: var(--sfr-green-accent); font-size: 10px; }
.manual-link { color: #a7f3d0; font-size: 11px; font-weight: 800; line-height: 1.5; text-decoration: underline; text-decoration-color: rgba(167, 243, 208, .42); text-underline-offset: 4px; }
.manual-link::after { content: " ↗"; }
.manual-link:hover, .manual-link:focus-visible { color: #fff; text-decoration-color: currentColor; }
.product-manual-link { align-self: flex-start; margin-top: 15px; }
.enclosure-compact { grid-column: 1 / -1; display: flex; flex-wrap: nowrap; align-items: center; gap: 3px; margin-top: 12px; overflow-x: auto; padding-top: 11px; border-top: 1px solid rgba(148, 163, 184, .14); scrollbar-width: thin; scrollbar-color: rgba(52, 211, 153, .25) transparent; }
.enclosure-compact span { flex: 0 0 auto; border: 1px solid rgba(52, 211, 153, .18); border-radius: 999px; background: rgba(16, 185, 129, .06); padding: 4px 5px; color: #a9b9ca; font-size: 7px; font-weight: 700; line-height: 1.35; white-space: nowrap; }
.product-actions { display: flex; align-items: center; gap: 22px; margin-top: auto; padding-top: 24px; }
.text-link { color: #a7f3d0; font-size: 13px; font-weight: 800; white-space: nowrap; }
.text-link::after { content: " ↓"; }
.text-link:hover, .text-link:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 5px; }

.experience-section { border-block: 1px solid rgba(148, 163, 184, .12); background: linear-gradient(180deg, rgba(7, 18, 29, .74), rgba(2, 6, 23, .34)); }
.experience-gallery { position: relative; width: min(1080px, 100%); margin-inline: auto; padding: 30px 32px 0; }
.experience-gallery .stage-grid { inset: 0 0 34px; }
.gallery-viewport { position: relative; aspect-ratio: 16 / 10; background: var(--sfr-bg); }
.gallery-viewport > img, .gallery-viewport > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transform: scale(1.012); transition: opacity .55s ease, transform .8s ease; }
.gallery-viewport > img.is-active, .gallery-viewport > video.is-active { opacity: 1; transform: scale(1); }
.experience-section .section-heading { grid-template-columns: 1fr; }
.experience-nav { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto; align-items: stretch; gap: 14px; margin-top: 16px; }
.gallery-arrows { display: flex; gap: 6px; }
.gallery-arrows button { width: 52px; height: 100%; min-height: 54px; border: 1px solid #475569; border-radius: 12px; background: #111c30; color: #e2e8f0; font-size: 18px; }
.gallery-arrows button:hover { border-color: var(--sfr-green-primary); color: var(--sfr-green-accent); }
.experience-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.experience-steps button { min-width: 0; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(52, 211, 153, .15); border-radius: 12px; background: rgba(15, 23, 42, .72); padding: 13px 14px; text-align: left; transition: border-color .2s ease, background .2s ease, box-shadow .2s ease; }
.experience-steps button:hover { border-color: rgba(52, 211, 153, .42); }
.experience-steps button.is-active { border-color: rgba(52, 211, 153, .58); background: rgba(16, 185, 129, .14); box-shadow: inset 0 0 28px rgba(16, 185, 129, .08); }
.experience-steps b { color: #5e7186; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }
.experience-steps em { color: #9fb0c3; font-size: 11px; font-style: normal; font-weight: 800; letter-spacing: .055em; white-space: normal; }
.experience-steps button.is-active b { color: var(--sfr-green-accent); }
.experience-steps button.is-active em { color: #f0fdf4; font-size: 13px; }

.pricing-section { background: radial-gradient(circle at 74% 50%, rgba(16, 185, 129, .09), transparent 28%); }
.pricing-wrap { width: min(980px, var(--shell)); }
.pricing-card { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; border: 1px solid var(--sfr-green-border); border-radius: 24px; background: linear-gradient(135deg, rgba(5, 70, 61, .24), rgba(15, 23, 42, .9)); padding: 28px; box-shadow: 0 28px 80px rgba(0, 0, 0, .2); }
.pill { display: inline-flex; width: fit-content; border-radius: 999px; padding: 6px 10px; font-size: 9px; font-weight: 850; letter-spacing: .12em; }
.pill-live { border: 1px solid var(--sfr-green-border); background: var(--sfr-green-soft); color: #a7f3d0; }
.pricing-card h3 { margin: 16px 0 9px; font-size: 23px; letter-spacing: -.03em; word-spacing: .12em; }
.pricing-card p { margin: 0; color: #9eafc2; font-size: 12px; }
.pricing-action { display: flex; align-items: center; gap: 28px; }
.price { text-align: right; white-space: nowrap; }
.price strong { display: block; color: var(--sfr-green-accent); font-size: 58px; line-height: 1; letter-spacing: -.06em; }
.price span { display: block; margin-top: 7px; color: #91a3b8; font-size: 10px; font-weight: 700; }

.legal-page {
  background:
    radial-gradient(circle at 82% 8%, rgba(16, 185, 129, .1), transparent 28%),
    linear-gradient(180deg, #020617 0%, #07101d 55%, #020617 100%);
}
.legal-main { width: min(920px, var(--shell)); padding-block: 72px 112px; }
.legal-back { display: inline-flex; margin-bottom: 52px; color: #94a3b8; font-size: 12px; font-weight: 700; }
.legal-back:hover, .legal-back:focus-visible { color: var(--sfr-green-accent); text-decoration: underline; text-underline-offset: 5px; }
.legal-view h1 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.18; letter-spacing: -.045em; }
.legal-intro { max-width: 800px; margin: 26px 0 0; color: #a7b4c6; font-size: 15px; line-height: 1.95; text-wrap: pretty; }
.legal-sections { display: grid; gap: 30px; margin-top: 54px; }
.legal-sections section { border-top: 1px solid rgba(148, 163, 184, .18); padding-top: 26px; }
.legal-sections h2 { margin: 0; color: #f8fafc; font-size: 18px; line-height: 1.45; letter-spacing: -.015em; }
.legal-sections p { max-width: 800px; margin: 13px 0 0; color: #9fadc0; font-size: 14px; line-height: 1.95; text-wrap: pretty; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 54px; border-top: 1px solid rgba(148, 163, 184, .18); padding-top: 24px; }
.legal-nav a { color: #899bb0; font-size: 12px; font-weight: 700; }
.legal-nav a[aria-current="page"] { color: var(--sfr-green-accent); }
.legal-nav a:hover, .legal-nav a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.legal-footer { margin-top: 0; }

.site-footer { border-top: 1px solid rgba(148, 163, 184, .13); background: #020713; padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.15fr 1.2fr 1fr auto; align-items: start; gap: 32px; padding-bottom: 44px; }
.footer-brand .brand { width: fit-content; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; padding-top: 8px; }
.footer-links a { color: #899bb0; font-size: 11px; word-break: keep-all; overflow-wrap: normal; hyphens: none; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--sfr-green-accent); text-decoration: underline; text-underline-offset: 4px; }
.footer-manuals { display: flex; flex-direction: column; gap: 9px; padding-top: 8px; }
.footer-manuals strong { color: #d1fae5; font-size: 11px; }
.footer-manuals a { color: #899bb0; font-size: 11px; line-height: 1.55; }
.footer-manuals a:hover, .footer-manuals a:focus-visible { color: var(--sfr-green-accent); text-decoration: underline; text-underline-offset: 4px; }
.footer-language { align-self: start; }

.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .72s ease, transform .72s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1120px) {
  :root { --shell: min(100% - 40px, 960px); }
  .menu-button { display: block; }
  .hero { grid-template-columns: 1fr; min-height: 0; gap: 26px; padding-top: 64px; }
  .hero-copy { max-width: 820px; }
  .hero-stage { width: min(820px, 100%); margin-inline: auto; }
  .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flagship-card { grid-template-columns: 1fr; }
  .flagship-copy { padding: 14px 12px 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-language { justify-self: start; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100vw - 28px); }
  .header-inner { height: 70px; }
  .header-cta { display: none; }
  .section { padding-block: 82px; }
  .section-heading { grid-template-columns: 1fr; gap: 30px; margin-bottom: 44px; }
  .section-heading h2, .compact-heading h2 { font-size: clamp(34px, 8vw, 48px); }
  .hero { padding-block: 52px 72px; }
  .hero-stage { padding-left: 8px; padding-right: 4px; }
  .about-layout { grid-template-columns: 1fr; gap: 30px; }
  .about-intro h2 { font-size: clamp(36px, 4.3vw, 58px); }
  .about-statement { margin-top: 26px; }
  .about-copy { padding-top: 0; }
  .pricing-card { grid-template-columns: 1fr; gap: 30px; }
  .pricing-action { justify-content: space-between; }
  .footer-grid { grid-template-columns: 1fr auto; }
  .footer-links { grid-column: 1 / -1; grid-row: 2; }
  .footer-manuals { grid-column: 1 / -1; grid-row: 3; }
}

@media (max-width: 620px) {
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-card { min-height: 184px; }
  .benefit-card h3 { margin-top: 29px; }
  .product-strength-grid { grid-template-columns: 1fr; }
  .experience-gallery { padding-inline: 0; }
  .experience-gallery .stage-grid { left: 0; right: 0; }
  .experience-nav { grid-template-columns: 1fr; }
  .experience-steps { grid-template-columns: 1fr; }
  .gallery-arrows { justify-content: flex-end; }
  .gallery-arrows button { width: 48px; height: 46px; min-height: 46px; }
}

@media (max-width: 520px) {
  html[data-lang="ja"] .mobile-keep-together { white-space: nowrap; }
  .header-inner { gap: 8px; }
  .brand { min-width: 0; gap: 8px; }
  .brand img { width: 38px; height: 38px; }
  .brand strong { font-size: 14px; }
  .brand small { max-width: 134px; overflow: hidden; font-size: 6px; letter-spacing: .18em; text-overflow: ellipsis; }
  .header-brand { flex: 1 1 auto; gap: 7px; }
  .header-brand img { width: 36px; height: 36px; flex: 0 0 auto; }
  .header-brand-copy { min-width: 0; }
  .header-brand strong { font-size: 9px; letter-spacing: .035em; }
  .header-brand small { max-width: none; overflow: visible; margin-top: 5px; font-size: 5.5px; letter-spacing: .075em; text-overflow: clip; }
  .header-actions { flex: 0 0 auto; gap: 7px; }
  .language-switch span { padding: 5px 7px; font-size: 9px; }
  .menu-button { width: 38px; height: 38px; padding: 8px; }
  .hero { gap: 18px; padding-block: 52px 72px; }
  .hero h1 { margin-top: 0; font-size: clamp(42px, 12vw, 62px); }
  .hero-lead { font-size: 14px; line-height: 1.82; }
  .hero-actions { display: grid; grid-template-columns: 1fr; margin-top: 24px; }
  .hero-actions .button { width: 100%; }
  .hero-proof { grid-template-columns: 1fr; gap: 9px; margin-top: 27px; padding-top: 17px; }
  .hero-proof strong { font-size: 11px; }
  .hero-stage { padding-top: 22px; }
  .hero-screen { transform: none; }
  .screen-frame { border-radius: 18px; }
  .screen-bar { height: 34px; }
  .screen-bar span { max-width: 210px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .compact-heading { margin-bottom: 29px; }
  .section-heading h2, .compact-heading h2 { font-size: 33px; }
  .flagship-card { gap: 9px; border-radius: 24px; padding: 13px; }
  .flagship-media { border-radius: 17px; }
  .flagship-copy { padding: 16px 9px 10px; }
  .flagship-copy h3 { font-size: 31px; }
  .product-lead { font-size: 13px; }
  .product-strength-card { grid-template-columns: 94px minmax(0, 1fr); column-gap: 16px; padding: 16px; }
  .product-strength-stat { font-size: 38px; }
  .product-strength-card > p { font-size: 11px; }
  .product-actions { align-items: stretch; flex-direction: column; }
  .product-actions .button { width: 100%; }
  .text-link { align-self: center; }
  .experience-steps button { padding: 12px 10px; }
  .experience-steps button.is-active em { font-size: 12px; }
  .pricing-card { gap: 25px; border-radius: 22px; padding: 22px; }
  .pricing-action { align-items: stretch; flex-direction: column; }
  .price { text-align: left; }
  .price strong { font-size: 48px; }
  .legal-main { padding-block: 50px 76px; }
  .legal-back { margin-bottom: 38px; }
  .legal-view h1 { font-size: 33px; }
  .legal-intro { margin-top: 22px; font-size: 14px; line-height: 1.85; }
  .legal-sections { gap: 26px; margin-top: 42px; }
  .legal-sections section { padding-top: 22px; }
  .legal-sections h2 { font-size: 17px; }
  .legal-sections p { font-size: 13px; line-height: 1.85; }
  .legal-nav { margin-top: 42px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-column: auto; grid-row: auto; }
  .footer-language { justify-self: start; }
}

@media (max-width: 390px) {
  .header-brand small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}
