:root {
    --ink: #182033;
    --muted: #697386;
    --line: #e8e9ef;
    --page: #f7f7fb;
    --blue: #5267e8;
    --orange: #ff895f;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: page-out .18s ease both; }
::view-transition-new(root) { animation: page-in .32s ease both; }
@keyframes page-out { to { opacity: 0; transform: translateY(-6px); } }
@keyframes page-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
body {
    margin: 0;
    color: var(--ink);
    background: var(--page);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    line-height: 1.65;
}
a { color: inherit; }
.container { width: min(1000px, calc(100% - 40px)); margin: 0 auto; }
header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid #e8e9efb8; background: #ffffffeb; backdrop-filter: blur(14px); }
nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { color: var(--ink); font-size: 18px; font-weight: 850; text-decoration: none; }
.logo span { color: var(--blue); }
.back-link { color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none; transition: color .2s, transform .2s; }
.back-link:hover { color: var(--blue); transform: translateX(-3px); }
.hero { position: relative; overflow: hidden; padding: 64px 0 50px; background: white; }
.hero::after { position: absolute; width: 360px; height: 360px; top: -245px; right: 8%; border: 1px solid #dfe3ff; border-radius: 50%; box-shadow: 0 0 0 35px #eceeff88, 0 0 0 70px #f2f3ff88; content: ""; }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 300px; align-items: center; gap: 45px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { width: 20px; height: 2px; background: var(--orange); content: ""; }
h1 { margin: 12px 0; font-size: clamp(38px, 6vw, 58px); line-height: 1.05; letter-spacing: -2.5px; }
.lead { max-width: 610px; margin: 0; color: var(--muted); font-size: 16px; }
.art { position: relative; min-height: 240px; display: grid; place-items: center; }
.art-box { width: 150px; height: 150px; display: grid; place-items: center; border: 1px solid #ffffff80; border-radius: 36px; color: white; background: linear-gradient(145deg, var(--tone-a), var(--tone-b)); box-shadow: 0 24px 50px color-mix(in srgb, var(--tone-a) 38%, transparent); font-size: 66px; transform: rotate(-7deg); }
.art-ring { position: absolute; width: 210px; height: 210px; border: 1px solid #dfe3ff; border-radius: 50%; box-shadow: 0 0 0 20px #eceeff70; }
.art-design { --tone-a: #6b6de8; --tone-b: #9c75e6; }
.art-video { --tone-a: #ed7182; --tone-b: #f6a36c; }
.art-camera { --tone-a: #278fac; --tone-b: #44b69b; }
.detail-section { padding: 48px 0 70px; }
.detail-panel { padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: 0 12px 34px #18203309; }
.detail-panel h2 { margin: 0 0 9px; font-size: 25px; letter-spacing: -.7px; }
.detail-panel > p { margin: 0; color: var(--muted); font-size: 14px; }
.detail-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.detail-list li { padding: 13px 15px; border: 1px solid var(--line); border-radius: 10px; color: #505b70; background: #fcfcfe; font-size: 13px; }
.detail-list li::before { margin-right: 8px; color: var(--blue); content: "✓"; font-weight: 800; }
.detail-note { margin-top: 20px; padding: 14px 16px; border-left: 3px solid var(--blue); border-radius: 0 9px 9px 0; color: #5f687b; background: #f5f6ff; font-size: 13px; }
.page-links { display: flex; justify-content: space-between; gap: 16px; margin-top: 25px; }
.page-links a { color: var(--blue); font-size: 13px; font-weight: 750; text-decoration: none; }
.page-links a:hover { text-decoration: underline; }
footer { padding: 24px 0; color: #8991a0; font-size: 12px; }
.footer-inner { display: flex; justify-content: space-between; gap: 18px; }
a:focus-visible { outline: 3px solid #9aa8ff; outline-offset: 4px; }
@media (max-width: 680px) {
    .container { width: min(100% - 30px, 1000px); }
    nav { min-height: 62px; }
    .hero { padding: 48px 0 28px; }
    .hero-layout { grid-template-columns: 1fr; gap: 16px; }
    .art { min-height: 190px; }
    .art-ring { width: 165px; height: 165px; }
    .art-box { width: 118px; height: 118px; border-radius: 28px; font-size: 52px; }
    .detail-section { padding: 28px 0 48px; }
    .detail-panel { padding: 24px 20px; }
}
@media (max-width: 460px) {
    .detail-list { grid-template-columns: 1fr; }
    .back-link { font-size: 12px; }
    .footer-inner { flex-direction: column; gap: 3px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    ::view-transition-old(root), ::view-transition-new(root) { animation-duration: .01ms; }
    *, *::before, *::after { transition-duration: .01ms !important; }
}