:root {
  --color-ink: #10253f;
  --color-ink-soft: #4d637a;
  --color-blue: #1769ff;
  --color-cyan: #11cbe5;
  --color-mint: #79e8ce;
  --color-line: #dce8f1;
  --color-surface: #f4f9fc;
  --color-white: #fff;
  --gradient-brand: linear-gradient(115deg, #275dff 0%, #15bff0 58%, #64e4c5 100%);
  --shadow-card: 0 24px 65px rgba(25, 75, 115, .1);
  --radius-lg: 28px;
  --radius-md: 18px;
  --container: 1180px;
  --header-height: 88px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; color: var(--color-ink); background: var(--color-white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif; line-height: 1.75; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 999; top: 8px; left: 8px; padding: 10px 16px; color: var(--color-white); background: var(--color-ink); border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(23, 105, 255, .45); outline-offset: 4px; border-radius: 4px; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: var(--header-height); background: rgba(255, 255, 255, .82); border-bottom: 1px solid transparent; backdrop-filter: blur(16px); transition: height .35s var(--ease), border-color .35s, box-shadow .35s; }
.site-header.is-scrolled { height: 70px; border-color: rgba(220, 232, 241, .8); box-shadow: 0 8px 25px rgba(18, 64, 96, .06); }
.header-inner { width: min(calc(100% - 48px), var(--container)); height: 100%; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; }
.brand-logo, .footer-logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo { height: 40px; }
.footer-logo { height: 44px; }
.brand-logo img, .footer-logo img { width: auto; height: 100%; }
.global-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); }
.global-nav a { position: relative; padding: 8px 0; font-size: .88rem; font-weight: 650; letter-spacing: .04em; }
.global-nav a::after { content: ""; position: absolute; right: 0; bottom: 2px; left: 0; height: 2px; background: var(--gradient-brand); transform: scaleX(0); transform-origin: right; transition: transform .3s var(--ease); }
.global-nav a:hover::after, .global-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 11px 9px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px auto; background: var(--color-ink); border-radius: 2px; transition: transform .3s, opacity .3s; }

.hero { position: relative; min-height: 720px; display: grid; align-items: center; overflow: hidden; padding: calc(var(--header-height) + 44px) 0 68px; isolation: isolate; }
.hero::before { content: ""; position: absolute; z-index: -3; inset: 0; background-image: linear-gradient(rgba(21, 121, 190, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(21, 121, 190, .045) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, transparent, #000 24%, #000 70%, transparent); }
.hero-glow { position: absolute; z-index: -2; border-radius: 50%; filter: blur(5px); pointer-events: none; }
.hero-glow-one { width: min(52vw, 720px); aspect-ratio: 1; right: -10%; top: 4%; background: radial-gradient(circle, rgba(25, 199, 237, .13), rgba(37, 93, 255, .04) 45%, transparent 70%); }
.hero-glow-two { width: 420px; aspect-ratio: 1; left: -220px; bottom: -140px; background: radial-gradient(circle, rgba(100, 228, 197, .17), transparent 67%); }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: clamp(42px, 6vw, 86px); }
.hero-content { min-width: 0; }
.eyebrow, .section-index { margin: 0 0 18px; color: var(--color-blue); font-size: .75rem; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
.hero h1 { margin: 0; font-size: clamp(4.6rem, 9vw, 8.2rem); line-height: .9; letter-spacing: -.065em; background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy { display: grid; gap: 1px; margin: 28px 0 0; }
.hero-copy span { color: var(--color-ink); font-size: clamp(1.45rem, 3vw, 2.45rem); font-weight: 680; letter-spacing: -.025em; line-height: 1.3; }
.hero-copy strong { color: var(--color-ink-soft); font-size: clamp(.95rem, 1.6vw, 1.15rem); font-weight: 500; letter-spacing: .06em; }
.hero-description { margin: 26px 0 0; color: var(--color-ink-soft); font-size: 1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-visual { position: relative; width: min(100%, 470px); aspect-ratio: 1; justify-self: end; display: grid; place-items: center; }
.hero-mark-surface { position: relative; z-index: 2; width: 76%; aspect-ratio: 1; display: grid; place-items: center; padding: 13%; background: rgba(255,255,255,.7); border: 1px solid rgba(210,231,242,.9); border-radius: 38% 62% 58% 42% / 45% 40% 60% 55%; box-shadow: 0 32px 80px rgba(26, 94, 144, .12); backdrop-filter: blur(8px); transform: rotate(-3deg); }
.hero-mark-surface::before { content: ""; position: absolute; inset: 9%; border: 1px solid rgba(23,105,255,.1); border-radius: inherit; }
.hero-mark-surface img { position: relative; z-index: 1; width: 100%; height: auto; opacity: .88; transform: rotate(3deg); }
.hero-orbit { position: absolute; border: 1px solid rgba(23,105,255,.14); border-radius: 50%; }
.hero-orbit-one { inset: 4%; transform: rotate(18deg); }
.hero-orbit-two { inset: 17% -3%; border-color: rgba(17,203,229,.14); transform: rotate(-21deg); }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; border-radius: 50%; }
.hero-visual::before { z-index: 3; width: 12px; height: 12px; right: 6%; top: 24%; background: var(--color-cyan); box-shadow: 0 0 0 8px rgba(17,203,229,.08); }
.hero-visual::after { width: 70px; height: 70px; left: 0; bottom: 10%; background: linear-gradient(135deg, rgba(39,93,255,.18), rgba(100,228,197,.12)); filter: blur(1px); }
.hero-visual-label { position: absolute; z-index: 3; right: 2%; bottom: 4%; color: var(--color-ink-soft); font-size: .61rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; writing-mode: vertical-rl; }
.button { min-width: 168px; min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 13px 22px; border: 1px solid var(--color-line); border-radius: 999px; font-size: .86rem; font-weight: 700; letter-spacing: .03em; transition: transform .25s var(--ease), box-shadow .25s, border-color .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--color-white); background: var(--gradient-brand); border-color: transparent; box-shadow: 0 12px 30px rgba(23, 105, 255, .22); }
.button-secondary { background: rgba(255,255,255,.72); }
.button-secondary:hover { border-color: var(--color-blue); }
.scroll-cue { position: absolute; right: clamp(24px, 4vw, 72px); bottom: 36px; display: flex; align-items: center; gap: 12px; color: var(--color-ink-soft); font-size: .65rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; writing-mode: vertical-rl; }
.scroll-cue span { width: 1px; height: 42px; overflow: hidden; background: var(--color-line); }
.scroll-cue span::after { content: ""; display: block; width: 100%; height: 45%; background: var(--color-blue); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0% { transform: translateY(-120%); } 70%, 100% { transform: translateY(240%); } }

.section { padding: clamp(88px, 11vw, 150px) 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 52px; }
.section-heading h2, .about h2, .news h2 { margin: 0; font-size: clamp(2.6rem, 5.5vw, 4.7rem); line-height: 1; letter-spacing: -.055em; }
.section-heading > p { max-width: 320px; margin: 0 0 5px; color: var(--color-ink-soft); font-size: .95rem; }
.section-heading.compact { margin-bottom: 40px; }
.products { background: linear-gradient(180deg, #fff, var(--color-surface) 18%, var(--color-surface) 82%, #fff); }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.product-card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--color-white); border: 1px solid rgba(220, 232, 241, .9); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: transform .35s var(--ease), box-shadow .35s; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 30px 80px rgba(25, 75, 115, .15); }
.product-media { position: relative; aspect-ratio: 1024 / 500; background: var(--color-surface); border-bottom: 1px solid rgba(220, 232, 241, .9); }
.product-media-game { background: #fff1e7; }
.product-media-utility { background: #0c232b; }
.product-feature { width: 100%; height: 100%; object-fit: contain; }
.product-icon { position: absolute; z-index: 2; left: clamp(20px, 3vw, 34px); bottom: 0; width: clamp(76px, 8vw, 98px); height: auto; aspect-ratio: 1; object-fit: contain; background: var(--color-white); border: 4px solid var(--color-white); border-radius: 24%; box-shadow: 0 14px 32px rgba(16, 37, 63, .2); transform: translateY(38%); }
.product-content { flex: 1; display: flex; flex-direction: column; padding: 58px clamp(24px, 3vw, 38px) 32px; }
.product-meta { min-height: 25px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tag { padding: 4px 11px; color: var(--color-blue); background: #edf4ff; border-radius: 999px; font-size: .7rem; font-weight: 750; letter-spacing: .05em; }
.status { color: var(--color-ink-soft); font-size: .68rem; font-weight: 650; }
.status i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; background: #21be8b; border-radius: 50%; }
.status-soon { color: #708296; }
.product-content h3 { margin: 20px 0 2px; font-size: clamp(1.65rem, 3vw, 2.15rem); line-height: 1.3; letter-spacing: -.03em; }
.product-en { margin: 0 0 18px !important; color: var(--color-blue) !important; font-size: .75rem !important; font-weight: 650; letter-spacing: .04em; }
.product-content > p { min-height: 3.5em; margin: 12px 0 24px; color: var(--color-ink-soft); font-size: .91rem; }
.product-cta { margin-top: auto; padding-top: 2px; }
.product-cta-note { min-height: 1.8em; margin: 0 0 9px; color: var(--color-ink-soft); font-size: .72rem; font-weight: 600; line-height: 1.6; }
.external-label { display: inline-flex; align-items: center; margin-left: 5px; padding: 1px 7px; color: #40556b; background: #edf3f7; border-radius: 999px; font-size: .64rem; font-weight: 750; white-space: nowrap; }
.product-cta-button { width: min(100%, 350px); min-height: 50px; display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 18px 12px 20px; color: var(--color-white); background: linear-gradient(115deg, #1557d8 0%, #087a9b 100%); border: 1px solid transparent; border-radius: 14px; box-shadow: 0 12px 26px rgba(14, 91, 167, .2); font-size: .86rem; font-weight: 750; line-height: 1.45; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.product-cta-label { word-break: keep-all; overflow-wrap: normal; }
.product-cta-arrow { flex: 0 0 auto; font-size: 1.1rem; line-height: 1; transition: transform .25s var(--ease); }
.product-cta-button:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(14, 91, 167, .27); }
.product-cta-button:hover .product-cta-arrow { transform: translateX(4px); }
.product-cta-button:focus-visible { outline: 3px solid var(--color-ink); outline-offset: 3px; box-shadow: 0 0 0 6px rgba(17, 203, 229, .28); }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(48px, 10vw, 150px); align-items: start; }
.about-title-wrap { position: sticky; top: 120px; }
.about-copy { padding-top: 40px; }
.about-copy p { max-width: 620px; margin: 0 0 24px; color: var(--color-ink-soft); font-size: 1rem; }
.about-copy .lead { margin-bottom: 40px; color: var(--color-ink); font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 650; line-height: 1.55; letter-spacing: -.03em; }
.philosophy { padding-top: 40px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { position: relative; min-height: 265px; padding: 30px; overflow: hidden; background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-md); }
.value-card::after { content: ""; position: absolute; width: 150px; height: 150px; right: -70px; bottom: -70px; background: var(--gradient-brand); border-radius: 50%; opacity: .08; }
.value-card > span { color: var(--color-blue); font-size: .7rem; font-weight: 750; }
.value-card h3 { margin: 55px 0 8px; font-size: 1.65rem; letter-spacing: -.03em; }
.value-card p { margin: 0; color: var(--color-ink-soft); font-size: .9rem; }

.news { background: var(--color-ink); color: var(--color-white); }
.news .section-index { color: var(--color-cyan); }
.news-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(50px, 10vw, 150px); }
.news-heading > p:last-child { color: #aebdcb; }
.news-list { border-top: 1px solid rgba(255,255,255,.2); }
.news-item { display: grid; grid-template-columns: 105px 1fr auto; gap: 22px; align-items: center; min-height: 108px; border-bottom: 1px solid rgba(255,255,255,.2); }
.news-item time { color: var(--color-cyan); font-size: .75rem; font-weight: 700; letter-spacing: .06em; }
.news-item p { margin: 0; font-size: .92rem; }
.news-item > span { color: var(--color-cyan); transition: transform .25s; }
.news-item:hover > span { transform: translateX(4px); }
.news-placeholder { opacity: .48; }

.support-panel { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: end; padding: clamp(36px, 6vw, 72px); overflow: hidden; background: linear-gradient(135deg, #edf5ff, #e7fbf7); border: 1px solid #d8eaf2; border-radius: var(--radius-lg); }
.support-panel::after { content: "R"; position: absolute; right: -28px; top: -95px; color: rgba(23,105,255,.055); font-size: 28rem; font-weight: 850; line-height: 1; pointer-events: none; }
.support-panel > * { position: relative; z-index: 1; }
.support-panel h2 { margin: 0; font-size: clamp(2.5rem, 6vw, 5.2rem); line-height: 1; letter-spacing: -.055em; }
.support-panel p:last-child { margin: 25px 0 0; color: var(--color-ink-soft); font-size: .92rem; }
.support-links { display: grid; }
.support-links a { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 4px; border-bottom: 1px solid rgba(16,37,63,.2); font-size: .88rem; font-weight: 700; }
.support-links a:first-child { border-top: 1px solid rgba(16,37,63,.2); }
.support-links a span { color: var(--color-blue); }

.site-footer { padding: 70px 0 28px; border-top: 1px solid var(--color-line); }
.footer-main, .footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.footer-main nav { display: flex; flex-wrap: wrap; gap: 18px 38px; font-size: .8rem; font-weight: 650; }
.footer-main nav a:hover { color: var(--color-blue); }
.footer-bottom { margin-top: 62px; padding-top: 22px; color: var(--color-ink-soft); border-top: 1px solid var(--color-line); font-size: .72rem; }
.footer-bottom p { margin: 0; letter-spacing: .04em; }
.footer-bottom small { font-size: inherit; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s var(--ease), transform .75s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero { min-height: 0; padding: calc(var(--header-height) + 52px) 0 78px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-content { max-width: 680px; }
  .hero-visual { display: none; }
  .hero-glow-one { right: -28%; }
}

@media (max-width: 760px) {
  :root { --header-height: 72px; }
  .container, .header-inner { width: min(calc(100% - 36px), var(--container)); }
  .site-header.is-scrolled { height: 62px; }
  .brand-logo { height: 36px; }
  .menu-toggle { display: block; position: relative; z-index: 2; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .global-nav { position: fixed; inset: 0; display: grid; align-content: center; gap: 12px; padding: 96px 32px 50px; background: rgba(255,255,255,.98); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: opacity .3s, transform .3s, visibility .3s; }
  .global-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .global-nav a { padding: 8px; font-size: clamp(1.65rem, 8vw, 2.3rem); letter-spacing: -.03em; text-align: center; }
  body.menu-open { overflow: hidden; }
  .hero { min-height: 0; padding: 116px 0 68px; }
  .hero::before { background-size: 42px 42px; }
  .hero h1 { font-size: clamp(4rem, 21vw, 6.2rem); }
  .hero-copy { margin-top: 25px; }
  .hero-description { max-width: 300px; }
  .mobile-break { display: block; }
  .hero-actions { align-items: stretch; }
  .button { min-width: 0; flex: 1 1 calc(50% - 6px); padding-inline: 15px; font-size: .75rem; }
  .scroll-cue { display: none; }
  .section { padding: 88px 0; }
  .section-heading { display: block; margin-bottom: 34px; }
  .section-heading > p { margin-top: 22px; }
  .product-grid, .about-grid, .news-layout, .support-panel { grid-template-columns: 1fr; }
  .product-grid { gap: 18px; }
  .product-icon { left: 20px; width: 78px; border-width: 3px; }
  .product-content { padding: 48px 22px 30px; }
  .product-cta-button { width: 100%; }
  .product-meta { align-items: flex-start; }
  .status { max-width: 145px; text-align: right; }
  .about-grid { gap: 36px; }
  .about-title-wrap { position: static; }
  .about-copy { padding-top: 0; }
  .about-copy .lead { margin-bottom: 30px; }
  .philosophy { padding-top: 12px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 210px; }
  .value-card h3 { margin-top: 35px; }
  .news-layout { gap: 48px; }
  .news-item { grid-template-columns: 76px 1fr auto; gap: 12px; min-height: 100px; }
  .news-item p { font-size: .84rem; }
  .support-panel { gap: 42px; padding: 36px 24px; }
  .support-panel::after { top: -30px; font-size: 18rem; }
  .footer-main { align-items: flex-start; }
  .footer-main nav { display: grid; gap: 10px; }
  .footer-logo { height: 36px; }
  .footer-bottom { margin-top: 44px; }
}

@media (max-width: 390px) {
  .container, .header-inner { width: calc(100% - 30px); }
  .hero h1 { font-size: 20.5vw; }
  .hero-copy span { font-size: 1.32rem; }
  .button { flex-basis: 100%; min-height: 49px; }
  .section-heading h2, .about h2, .news h2 { font-size: 2.45rem; }
  .news-item { grid-template-columns: 68px 1fr; }
  .news-item > span { display: none; }
  .footer-main { display: grid; }
}

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