:root{--guide-bg: #ffffff;--guide-surface: #ffffff;--guide-ink: #0f172a;--guide-muted: #475569;--guide-accent: #7c3aed;--guide-accent-hover: #6d28d9;--guide-accent-soft: #f5f3ff;--guide-accent-ring: #8b5cf6;--guide-border: #e2e8f0;--guide-radius: 12px;--guide-font: "Hiragino Sans", "Noto Sans JP", "Segoe UI", system-ui, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--guide-bg)}body{margin:0;font-family:var(--guide-font);color:var(--guide-ink);background-color:transparent;line-height:1.7}body:before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:url(/images/landing/page-background.svg);background-repeat:no-repeat;background-size:auto 100%;background-position:right center;opacity:.45}body:after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background:linear-gradient(to bottom,#fff,#ffffffbf 14%,#ffffff59 45%,#fff3)}@media(min-width:1024px){body:before{background-size:cover;background-position:center 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