:root{--color-bg:#fbfaf8;--color-surface:#fff;--color-text:#1c1a24;--color-muted:#6f6b7a;--color-accent:#5b3df0;--color-accent-2:#ff7a59;--color-border:#eae7f0;--shadow-sm:0 1px 2px #1c143c0a, 0 1px 1px #1c143c08;--shadow-md:0 12px 32px -12px #1c143c29;--radius-lg:20px;--radius-md:14px;--max-width:800px;--font-jp:"Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;--font-display:"Zen Kaku Gothic New", var(--font-jp)}*{box-sizing:border-box}html{font-family:var(--font-jp);-webkit-font-smoothing:antialiased}body{color:var(--color-text);background:var(--color-bg);background-image:radial-gradient(600px 320px at 8% -8%, color-mix(in srgb, var(--color-accent) 12%, transparent), transparent), radial-gradient(500px 280px at 100% 0%, color-mix(in srgb, var(--color-accent-2) 10%, transparent), transparent);letter-spacing:.01em;background-repeat:no-repeat;margin:0;line-height:1.85}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}header.site-header{z-index:10;background:color-mix(in srgb, var(--color-bg) 78%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);padding:18px 0;position:sticky;top:0}header.site-header .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.brand{font-family:var(--font-display);color:var(--color-text);letter-spacing:.01em;align-items:center;gap:10px;font-size:1.02rem;font-weight:700;display:inline-flex}.brand:hover{text-decoration:none}.brand-mark{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-2));color:#fff;width:30px;height:30px;font-family:var(--font-display);box-shadow:var(--shadow-sm);border-radius:9px;place-items:center;font-size:.9rem;font-weight:700;display:inline-grid}nav.main-nav{flex-wrap:wrap;align-items:center;gap:22px;font-size:.88rem;display:flex}nav.main-nav a{color:var(--color-text);opacity:.75;transition:opacity .15s}nav.main-nav a:hover{opacity:1;text-decoration:none}nav.main-nav .lang-switch{opacity:1;border-left:1px solid var(--color-border);padding-left:20px;font-size:.82rem}nav.main-nav .lang-switch a{color:var(--color-muted);opacity:1}main{min-height:60vh;padding:0 0 80px}.hero{padding:64px 0 12px}.hero .kicker{letter-spacing:.08em;color:var(--color-accent);text-transform:uppercase;align-items:center;gap:8px;margin-bottom:18px;font-size:.78rem;font-weight:600;display:inline-flex}.hero .kicker:before{content:"";background:var(--color-accent-2);border-radius:2px;width:22px;height:2px}.hero h1{font-family:var(--font-display);letter-spacing:.01em;margin:0 0 .5em;font-size:clamp(2rem,4.5vw,2.7rem);line-height:1.35}.hero .lede{max-width:46ch;font-size:1.08rem}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}main h1:not(.hero h1){font-family:var(--font-display);letter-spacing:.01em;margin:56px 0 .5em;font-size:1.9rem}main h2{font-family:var(--font-display);letter-spacing:.01em;margin-top:0;margin-bottom:14px;font-size:1.2rem}main p{color:var(--color-text)}.lede{color:var(--color-muted);margin-bottom:0;font-size:1rem}.section{margin-top:28px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:30px 32px}.card+.card{margin-top:20px}.card-row{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.feature{border-radius:var(--radius-md);background:color-mix(in srgb, var(--color-accent) 5%, var(--color-surface));border:1px solid var(--color-border);padding:20px}.feature .icon{background:linear-gradient(135deg, var(--color-accent), var(--color-accent-2));color:#fff;border-radius:10px;place-items:center;width:34px;height:34px;margin-bottom:12px;font-size:1rem;display:inline-grid}.feature h3{font-family:var(--font-display);margin:0 0 6px;font-size:.98rem}.feature p{color:var(--color-muted);margin:0;font-size:.88rem}.app-icon{width:88px;height:88px;box-shadow:var(--shadow-md);border:1px solid var(--color-border);border-radius:22px}.app-hero{flex-wrap:wrap;align-items:center;gap:22px;display:flex}table.info-table{border-collapse:collapse;width:100%;font-size:.92rem}table.info-table th,table.info-table td{text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top;padding:14px 4px}table.info-table tr:last-child th,table.info-table tr:last-child td{border-bottom:none}table.info-table th{width:32%;color:var(--color-muted);white-space:nowrap;font-weight:600}.button{color:#fff;background:linear-gradient(135deg, var(--color-accent), var(--color-accent-2));box-shadow:var(--shadow-sm);border-radius:999px;align-items:center;gap:8px;padding:12px 24px;font-size:.92rem;font-weight:600;transition:transform .15s,box-shadow .15s;display:inline-flex}.button:hover{box-shadow:var(--shadow-md);text-decoration:none;transform:translateY(-1px)}.button.secondary{color:var(--color-text);border:1px solid var(--color-border);box-shadow:none;background:0 0}.button.secondary:hover{background:var(--color-surface);box-shadow:var(--shadow-sm);transform:none}.badge{color:var(--color-muted);background:color-mix(in srgb, var(--color-accent) 8%, var(--color-surface));border:1px dashed var(--color-border);border-radius:999px;align-items:center;gap:8px;padding:10px 18px;font-size:.85rem;font-weight:600;display:inline-flex}.badge:before{content:"";background:var(--color-accent-2);border-radius:50%;width:7px;height:7px}footer.site-footer{border-top:1px solid var(--color-border);color:var(--color-muted);padding:32px 0;font-size:.85rem}footer.site-footer .container{flex-wrap:wrap;justify-content:space-between;gap:10px;display:flex}footer.site-footer a{color:var(--color-muted)}@media (width<=560px){.hero{padding:44px 0 8px}.card{padding:24px 20px}}@media (prefers-color-scheme:dark){:root{--color-bg:#121016;--color-surface:#1a1721;--color-text:#f1eef7;--color-muted:#a49dbb;--color-accent:#9b86ff;--color-accent-2:#ff9478;--color-border:#2c2836;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 16px 40px -16px #0000008c}}