:root{--accent:#8b5cf6;--bg:#f6f4fc;--text:#1f2937;--sec:#6b7280;--ter:#9ca3af;--glass:rgba(255,255,255,0.58);--glass-strong:rgba(255,255,255,0.8);--glass-bd:rgba(255,255,255,0.85);--line:rgba(31,41,55,0.10);--shadow:0 24px 70px rgba(91,33,182,0.13);--nav-glass:rgba(255,255,255,0.6);--chip:rgba(139,92,246,0.1);--ok:#16a34a}[data-theme=dark]{--bg:#0a0a0c;--text:#ececf1;--sec:#9b9ba4;--ter:#5b5b63;--glass:rgba(22,22,26,0.55);--glass-strong:rgba(24,24,30,0.82);--glass-bd:rgba(255,255,255,0.12);--line:rgba(255,255,255,0.10);--shadow:0 24px 70px rgba(0,0,0,0.5);--nav-glass:rgba(12,12,16,0.55);--chip:rgba(167,139,250,0.16);--ok:#4ade80}*,:after,:before{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Noto Sans JP,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,h3{font-family:Zen Kaku Gothic New,Noto Sans 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img{width:30px;height:30px;border-radius:8px}.nav-links{display:flex;gap:22px;font-size:13.5px;font-weight:600;color:var(--sec);margin-left:8px}.nav-links a:hover{color:var(--accent)}.nav-right{margin-left:auto;gap:8px}.nav-right,.theme-btn{display:flex;align-items:center}.theme-btn{width:36px;height:36px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--sec);cursor:pointer;justify-content:center}.theme-btn:hover{color:var(--accent);border-color:var(--accent)}.cta-sm{display:flex;align-items:center;gap:7px;background:var(--accent);color:#fff;font-size:13px;font-weight:700;white-space:nowrap;padding:9px 16px;border-radius:999px;transition:transform .2s,box-shadow .2s;box-shadow:0 6px 22px color-mix(in oklab,var(--accent) 45%,transparent)}.cta-sm:hover{transform:translateY(-1px)}.store-badge{display:inline-block;transition:transform .2s;filter:drop-shadow(0 10px 26px rgba(91,33,182,.22))}.store-badge:hover{transform:translateY(-2px)}.store-badge 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