:root{--bg:#050914;--panel:rgba(10,22,43,.78);--panel2:rgba(8,16,31,.92);--line:rgba(52,214,255,.34);--text:#eef7ff;--muted:#b8c7d9;--cyan:#31d7ff;--gold:#f0c75e;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 70% 5%,rgba(38,168,255,.22),transparent 35%),radial-gradient(circle at 20% 10%,rgba(9,116,255,.18),transparent 30%),linear-gradient(180deg,#02040b 0%,var(--bg) 48%,#03050b 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"Noto Sans JP","Noto Sans",sans-serif;line-height:1.75}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}header.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);background:rgba(2,6,16,.72);border-bottom:1px solid rgba(49,215,255,.16)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:18px}.brand{font-weight:800;letter-spacing:.04em;color:#fff}.nav-links{display:flex;flex-wrap:wrap;gap:14px;font-size:14px}.nav-links a{color:var(--muted)}.hero{padding:56px 0 32px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}.kicker{color:var(--gold);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px}h1{margin:12px 0 14px;font-size:clamp(42px,7vw,86px);line-height:1.02;letter-spacing:-.05em}h2{margin:0 0 18px;font-size:clamp(28px,4vw,44px);line-height:1.15}h3{margin-top:0;font-size:22px}.lead{color:#d9e9ff;font-size:clamp(18px,2.2vw,24px);margin:0 0 22px}.muted{color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid var(--line);border-radius:999px;color:#fff;background:rgba(49,215,255,.08);font-weight:700}.button.primary{background:linear-gradient(90deg,rgba(49,215,255,.25),rgba(240,199,94,.22));border-color:rgba(49,215,255,.55)}.hero-image,.card,.record,.author-card{border:1px solid var(--line);border-radius:24px;background:var(--panel);box-shadow:0 0 42px rgba(25,179,255,.10);overflow:hidden}.hero-image img{display:block;width:100%;height:auto}section{padding:52px 0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:24px}.card strong{color:#fff}.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}.author-card{display:grid;grid-template-columns:240px 1fr;gap:24px;padding:22px;align-items:center}.author-card img{width:100%;border-radius:18px;display:block}.record{padding:24px;background:var(--panel2)}.record ul{margin:0;padding-left:1.25em}.lang-cards{display:grid;grid-template-columns:1fr 1fr;gap:22px}.lang-card{padding:22px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.035)}.lang-card img{width:100%;border-radius:16px;margin:12px 0 18px}footer{border-top:1px solid rgba(49,215,255,.16);padding:34px 0 46px;color:var(--muted);font-size:14px}.small{font-size:14px}hr.soft{border:0;border-top:1px solid rgba(49,215,255,.16);margin:28px 0}.notice{border-left:3px solid var(--gold);padding:12px 16px;background:rgba(240,199,94,.08);color:#f6e6b0}@media(max-width:860px){.hero-grid,.split,.author-card,.lang-cards{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr}.author-card img{max-width:260px}.nav{align-items:flex-start;flex-direction:column;padding:14px 0}}