:root{--primary:#0ea5e9;--primary-600:#0284c7;--accent:#06b6d4;--bg:#f0f9ff;--surface:#fff;--surface-2:#e0f2fe;--surface-3:#f8fafc;--text:#0f172a;--text-2:#334155;--muted:#64748b;--border:#e2e8f0;--shadow:0 10px 30px #0284c71f;--grad-hero:linear-gradient(135deg,#e0f2fe 0%,#f0f9ff 55%,#fff 100%);--grad-cta:linear-gradient(135deg,#0ea5e9 0%,#38bdf8 60%,#e0f2fe 110%);--font-noto-sans-jp:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-inter:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-main:var(--font-noto-sans-jp);--font-mono:var(--font-inter);--container-max:1280px;--space-sm:1rem;--space-md:2.5rem;--space-lg:5rem;--space-xl:8rem;--radius-sm:4px;--radius-md:12px;--radius-lg:20px;--radius-xl:32px;--radius-full:9999px;--transition-base:all .3s cubic-bezier(.2,.8,.2,1)}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-main);background:var(--bg);color:var(--text);scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{background:var(--bg);color:var(--text);letter-spacing:.03em;min-width:0;line-height:1.7;overflow-x:hidden}@media (max-width:768px){body{letter-spacing:.02em;line-height:1.8}}a{color:inherit;transition:var(--transition-base);text-decoration:none}img{max-width:125%;height:auto;display:block}ul{list-style:none}.container{width:100%;max-width:var(--container-max);z-index:10;margin-inline:auto;padding-inline:1.25rem;position:relative}@media (min-width:768px){.container{padding-inline:2rem}}@media (min-width:1024px){.container{padding-inline:2.5rem}}.section{padding-block:var(--space-lg);position:relative}h1,h2,h3,h4{font-family:var(--font-main);letter-spacing:.05em;color:var(--text);line-height:1.4}@media (max-width:768px){h1,h2,h3,h4{letter-spacing:.03em;line-height:1.35}}.text-gradient{background:linear-gradient(135deg,var(--primary)30%,var(--text)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;display:inline-block}.text-accent{color:var(--accent)}.wrap-keep{white-space:nowrap;display:inline-block}.word-keep{word-break:keep-all;overflow-wrap:break-word}.btn{border-radius:var(--radius-full);cursor:pointer;letter-spacing:.1em;transition:var(--transition-base);justify-content:center;align-items:center;padding:1rem 2rem;font-weight:700;display:inline-flex;position:relative;overflow:hidden}.btn-primary{background:var(--primary);color:#fff;border:1px solid #0000;box-shadow:0 4px 15px #0ea5e966}.btn-primary:hover{background:var(--color-primary-light);transform:translateY(-2px);box-shadow:0 8px 25px #0ea5e980}.btn-outline{border:1px solid var(--primary);color:var(--primary);background:0 0}.btn-outline:hover{background:#0ea5e91a}.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:2rem;display:grid}