:root {
  color-scheme: light;
  --paper: #f6f5f1;
  --ink: #252620;
  --muted: #74766e;
  --line: #d6d7cf;
  --blue: #444bf4;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img, svg { display: block; }
img { max-width: 100%; }
figure, p, h1, h2, h3 { margin: 0; }
::selection { background: #d9d9ff; color: #222450; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; }
.site-shell { max-width: 1600px; padding: 0 72px; margin: 0 auto; }
.skip-link { position: fixed; z-index: 10; top: 16px; left: 16px; padding: 12px 20px; background: var(--ink); color: white; border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { height: 126px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-symbol { width: 43px; height: 43px; color: var(--blue); }
.brand-text { font-size: 25px; font-weight: 650; letter-spacing: .06em; line-height: 1.15; }
.brand-english { display: block; font-size: 11px; font-weight: 600; letter-spacing: .12em; margin-top: 8px; }
.header-link { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 500; padding: 14px 0 14px 14px; }
.header-link span { font-size: 24px; line-height: 1; transition: transform .2s ease; }
.header-link:hover span { transform: translate(3px, 3px); }

.hero { position: relative; display: grid; grid-template-columns: 1.52fr 1fr; padding: 87px 0 0; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 11px; font-size: 13px; line-height: 1.6; letter-spacing: .09em; }
.blue-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
h1 { font-size: clamp(52px, 5.6vw, 88px); line-height: 1.28; font-weight: 600; letter-spacing: -.065em; margin-top: 33px; white-space: nowrap; }
.hero-emphasis { position: relative; color: var(--blue); }
.hero-emphasis svg { position: absolute; width: 104%; height: 14px; bottom: -9px; left: -3%; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; }
.hero-description { margin-top: 34px; font-size: 16px; line-height: 1.85; color: #77796f; letter-spacing: .03em; }
.text-link { display: inline-flex; align-items: center; gap: 20px; font-size: 14px; font-weight: 500; }
.hero-link { margin-top: 35px; }
.round-arrow { width: 35px; height: 35px; border-radius: 50%; border: 1px solid #aaaDA1; display: grid; place-items: center; font-size: 20px; font-weight: 400; transition: background .2s ease, color .2s ease; }
.text-link:hover .round-arrow { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.hero-art { position: relative; min-width: 0; margin: -5px -24px 0 -10px; align-self: start; }
.stardust-art { width: 100%; height: auto; }
.art-caption { position: absolute; right: 16px; bottom: -8px; font-size: 11px; line-height: 1.6; font-weight: 500; letter-spacing: .1em; color: #74766e; }
.hero-baseline { grid-column: 1 / -1; margin-top: 70px; display: flex; align-items: center; gap: 44px; border-bottom: 1px solid var(--line); padding-bottom: 26px; color: var(--muted); font-size: 11px; letter-spacing: .07em; }
.baseline-star { margin-left: auto; color: #5f6257; font-size: 24px; line-height: 1; }

.work-section { padding-top: 66px; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 28px; }
.section-heading h2 { display: flex; align-items: baseline; gap: 18px; font-size: 19px; font-weight: 600; letter-spacing: .015em; }
.section-heading h2 span { font-size: 11px; font-weight: 450; letter-spacing: .12em; color: var(--muted); }
.section-index { font-size: 13px; letter-spacing: .05em; color: var(--muted); }
.product { isolation: isolate; position: relative; display: grid; grid-template-columns: 45% 55%; min-height: 630px; background: #e9ecf0; border-radius: 4px; overflow: hidden; }
.product-copy { position: relative; z-index: 2; padding: 56px 0 43px 54px; }
.product-identity { display: flex; align-items: center; gap: 15px; }
.product-icon { width: 57px; height: 57px; border-radius: 14px; box-shadow: 0 4px 12px #242a3810; }
.product-identity h3 { font-size: 23px; font-weight: 600; letter-spacing: .035em; }
.product-platform { display: flex; align-items: center; gap: 6px; margin-top: 7px; font-size: 11px; color: #69716a; }
.product-platform > span { width: 5px; height: 5px; background: #62826e; border-radius: 50%; }
.product-headline { font-size: clamp(38px, 3.8vw, 58px); font-weight: 600; letter-spacing: -.05em; line-height: 1.3; margin-top: 37px; }
.product-headline > span { color: var(--blue); }
.product-description { margin-top: 24px; font-size: 14px; line-height: 1.9; color: #686d75; }
.product-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 37px; min-height: 52px; padding: 13px 24px; border-radius: 4px; background: var(--ink); color: white; font-size: 14px; font-weight: 500; margin-top: 28px; transition: background .2s ease, transform .2s ease; }
.product-link:hover { background: var(--blue); transform: translateY(-2px); }
.product-link:focus-visible { outline-offset: 7px; }
.product-footnote { display: block; margin-top: 30px; color: #777d86; font-size: 11px; letter-spacing: .06em; }
.product-art { position: relative; min-width: 0; }
.art-orbit { position: absolute; border: 1px solid #ccd2df; width: 615px; height: 615px; border-radius: 50%; left: -24px; top: 65px; }
.art-orbit::after { content: ""; position: absolute; inset: 49px; border: 1px solid #d8dde6; border-radius: 50%; }
.wallpaper { position: absolute; width: 45%; max-width: 284px; aspect-ratio: 660 / 1424; overflow: hidden; border: 7px solid #fff; border-radius: 7px; background: #fff; box-shadow: 0 18px 44px -10px #2c35492b, 0 2px 5px #2c354914; }
.wallpaper img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.1); }
.wallpaper-flowers { left: 2%; top: 45px; transform: rotate(-12deg); }
.wallpaper-cat { left: 46%; top: 174px; transform: rotate(9deg); }
.product-spark { position: absolute; top: 51px; right: 42px; color: var(--blue); transform: rotate(12deg); }
.art-note { position: absolute; left: 0; bottom: 36px; color: #697386; font-size: 11px; font-weight: 500; letter-spacing: .12em; transform: rotate(-90deg); transform-origin: left center; }

.closing { padding: 95px 0 75px; }
.closing > .eyebrow { color: var(--muted); font-size: 12px; }
.closing-line { margin-top: 25px; display: flex; justify-content: space-between; align-items: center; }
.closing h2 { font-size: clamp(36px, 4.05vw, 62px); line-height: 1.3; font-weight: 500; letter-spacing: -.04em; }
.closing-symbol { width: 52px; height: 52px; color: var(--blue); margin-right: 9px; }
.mobile-break { display: none; }
.site-footer { padding: 34px 0 40px; display: flex; gap: 30px; align-items: end; justify-content: space-between; border-top: 1px solid var(--line); }
.footer-brand > span { font-size: 18px; font-weight: 600; letter-spacing: .06em; }
.footer-brand p { margin-top: 13px; font-size: 11px; line-height: 1.8; color: #73766d; }
.registrations { display: flex; align-items: center; gap: 22px; font-size: 11px; line-height: 1.8; color: #73766d; }
.registrations a { padding: 4px 0; }
.registrations a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.police-registration { display: inline-flex; align-items: center; gap: 5px; }
.police-registration img { flex-shrink: 0; width: 18px; height: auto; object-fit: contain; }

@media (min-width: 1600px) {
  .hero { padding-top: 108px; }
  .hero-baseline { margin-top: 92px; }
}

@media (max-width: 1199px) {
  .site-shell { padding: 0 46px; }
  .hero { grid-template-columns: 1.5fr 1fr; padding-top: 74px; }
  h1 { font-size: clamp(44px, 5.7vw, 70px); }
  .hero-art { margin-top: 20px; }
  .product { min-height: 600px; grid-template-columns: 47% 53%; }
  .product-copy { padding-left: 38px; padding-top: 45px; }
  .product-headline { font-size: 43px; }
  .wallpaper { width: 50%; }
  .wallpaper-flowers { top: 81px; left: 0; }
  .wallpaper-cat { left: 49%; top: 201px; }
  .product-spark { top: 47px; right: 24px; width: 46px; height: 46px; }
  .site-footer { align-items: start; }
  .registrations { align-items: end; flex-direction: column; gap: 3px; }
}

@media (max-width: 767px) {
  html { scroll-padding-top: 22px; }
  .site-shell { padding: 0 24px; }
  .site-header { height: 96px; }
  .brand { gap: 9px; }
  .brand-symbol { width: 32px; height: 32px; }
  .brand-text { font-size: 20px; }
  .brand-english { display: none; }
  .header-link { font-size: 12px; gap: 10px; }
  .header-link span { font-size: 20px; }
  .hero { display: flex; flex-direction: column; padding-top: 47px; }
  .eyebrow { font-size: 11px; gap: 9px; }
  .blue-dot { width: 6px; height: 6px; }
  h1 { margin-top: 24px; font-size: clamp(40px, 10.9vw, 72px); letter-spacing: -.055em; line-height: 1.32; }
  .hero-emphasis svg { height: 10px; bottom: -6px; }
  .hero-description { font-size: 14px; line-height: 1.85; margin-top: 26px; }
  .hero-link { margin-top: 22px; font-size: 12px; gap: 16px; }
  .round-arrow { width: 31px; height: 31px; font-size: 18px; }
  .hero-art { width: min(75%, 330px); align-self: flex-end; margin: -11px -8px -5px 0; }
  .art-caption { font-size: 11px; right: 2px; bottom: 1px; }
  .hero-baseline { width: 100%; margin-top: 24px; padding-bottom: 19px; gap: 27px; font-size: 11px; }
  .baseline-star { font-size: 22px; }
  .work-section { padding-top: 40px; }
  .section-heading { margin-bottom: 21px; }
  .section-heading h2 { font-size: 17px; gap: 13px; }
  .section-heading h2 span { font-size: 11px; letter-spacing: .08em; }
  .section-index { font-size: 11px; }
  .product { display: flex; flex-direction: column; min-height: 0; }
  .product-copy { padding: 30px 27px 0; }
  .product-identity { gap: 12px; }
  .product-icon { width: 48px; height: 48px; border-radius: 12px; }
  .product-identity h3 { font-size: 21px; }
  .product-platform { font-size: 11px; margin-top: 5px; }
  .product-headline { font-size: clamp(36px, 10vw, 50px); margin-top: 29px; line-height: 1.3; }
  .product-description { margin-top: 19px; font-size: 14px; line-height: 1.85; }
  .desktop-break { display: none; }
  .product-link { margin-top: 24px; font-size: 13px; padding: 12px 20px; min-height: 47px; gap: 32px; }
  .product-footnote { display: none; }
  .product-art { height: 384px; margin-top: 25px; }
  .wallpaper { width: 42%; max-width: 210px; border-width: 5px; border-radius: 5px; }
  .wallpaper-flowers { left: 9%; top: 18px; }
  .wallpaper-cat { left: 52%; top: 102px; }
  .art-orbit { width: 410px; height: 410px; top: 36px; left: -30px; }
  .art-orbit::after { inset: 37px; }
  .product-spark { width: 38px; height: 38px; right: 27px; top: 25px; }
  .art-note { left: 22px; bottom: 24px; font-size: 11px; }
  .closing { padding: 56px 0 43px; }
  .closing > .eyebrow { font-size: 11px; }
  .closing-line { margin-top: 22px; }
  .closing h2 { font-size: clamp(32px, 9vw, 48px); line-height: 1.35; letter-spacing: -.05em; }
  .closing-symbol { width: 39px; height: 39px; margin-right: 4px; }
  .mobile-break { display: block; }
  .site-footer { padding: 28px 0 28px; flex-direction: column; gap: 20px; }
  .footer-brand > span { font-size: 17px; }
  .footer-brand p { font-size: 11px; margin-top: 9px; }
  .registrations { align-items: start; font-size: 11px; gap: 6px; }
  .police-registration { gap: 5px; }
}

@media (min-width: 520px) and (max-width: 767px) {
  .hero-art { margin-top: -64px; }
  .product-art { height: 480px; }
}

@media (max-width: 359px) {
  .site-shell { padding: 0 20px; }
  .header-link { font-size: 11px; gap: 7px; }
  .brand-text { font-size: 18px; }
  .brand-symbol { width: 28px; height: 28px; }
  h1 { font-size: 36px; }
  .product-copy { padding-left: 24px; padding-right: 24px; }
  .product-headline { font-size: 34px; }
  .product-art { height: 332px; }
  .section-heading h2 { gap: 10px; }
  .section-heading h2 span { display: none; }
  .section-heading h2 span { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}