:root{--bg:#0b0716;--bg2:#140e26;--card:#1a1330;--line:#2e2450;--ink:#f2eeff;--mut:#a89cc9;
 --vio:#8b5cf6;--vio2:#c4b5fd;--wave:#06b6d4;--maxw:1120px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Noto Sans JP","Yu Gothic UI",system-ui,sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
header.site{position:sticky;top:0;z-index:60;background:rgba(11,7,22,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;letter-spacing:.02em}
.logo .mark{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--vio),var(--wave));display:grid;place-items:center;font-size:.9rem;font-weight:900;color:#fff}
.logo small{display:block;font-size:.6rem;font-weight:600;letter-spacing:.22em;color:var(--mut)}
nav.main{display:flex;gap:4px;align-items:center}
nav.main a{color:var(--mut);padding:8px 13px;font-size:.92rem;font-weight:600;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a.active{color:var(--ink);border-color:var(--vio)}
nav.main a.btn{background:linear-gradient(135deg,var(--vio),var(--wave));color:#fff;border:0;border-radius:6px;padding:9px 16px;font-weight:800}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink);cursor:pointer}
.btn{display:inline-block;background:linear-gradient(135deg,var(--vio),var(--wave));color:#fff;padding:12px 22px;border-radius:8px;font-weight:800;font-size:.95rem}
.btn.ghost{background:transparent;color:var(--vio2);border:1.5px solid var(--vio2)}
.btn:hover{filter:brightness(1.1)}
.hero{position:relative;overflow:hidden;padding:76px 0 64px;text-align:center;background:
 radial-gradient(circle at 20% 20%, rgba(139,92,246,.25), transparent 42%),
 radial-gradient(circle at 85% 80%, rgba(6,182,212,.18), transparent 45%), var(--bg)}
.hero h1{font-size:clamp(2.2rem,6vw,3.6rem);font-weight:900;line-height:1.12;
 background:linear-gradient(120deg,var(--vio2),#fff,var(--wave));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{margin:20px auto 28px;max-width:660px;color:#b9aed8}
.hero .eyebrow{display:inline-block;color:var(--vio2);font-weight:700;font-size:.8rem;letter-spacing:.22em;border:1px solid var(--line);background:var(--card);padding:6px 15px;border-radius:999px;margin-bottom:16px}
.wave{width:80%;max-width:760px;height:70px;margin:30px auto 0;display:flex;align-items:center;justify-content:center;gap:6px}
.wave i{display:block;width:8px;background:linear-gradient(180deg,var(--vio2),var(--wave));border-radius:4px;animation:wv 1.2s ease-in-out infinite}
.wave i:nth-child(2n){animation-delay:.2s}.wave i:nth-child(3n){animation-delay:.4s}.wave i:nth-child(4n){animation-delay:.1s}
@keyframes wv{0%,100%{height:18px}50%{height:60px}}
.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.blk{padding:60px 0}
.sec{font-size:1.5rem;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:12px}
.sec::before{content:"";width:26px;height:4px;background:linear-gradient(90deg,var(--vio),var(--wave));border-radius:2px}
.sec-sub{color:var(--mut);margin-bottom:26px}
.grid{display:grid;gap:18px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{font-size:1.02rem;margin-bottom:8px}
.card p{color:var(--mut);font-size:.9rem}
.card .ic{font-size:1.4rem;margin-bottom:8px}
.plancard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column}
.plancard h3{font-size:1.1rem}
.plancard .price{font-size:1.5rem;font-weight:800;margin:8px 0}
.plancard ul{list-style:none;color:var(--mut);font-size:.88rem;margin:10px 0 0}
.plancard li{padding:5px 0;border-bottom:1px dashed var(--line)}
.plancard li::before{content:"✓ ";color:var(--vio2);font-weight:800}
.plancard.hot{border-color:var(--vio);box-shadow:0 0 30px rgba(139,92,246,.25)}
.pill{display:inline-block;background:var(--vio);color:#fff;font-size:.7rem;font-weight:800;padding:3px 10px;border-radius:999px;letter-spacing:.05em}
.steps{counter-reset:st;display:grid;gap:14px;margin-top:16px;max-width:760px}
.stp{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;display:flex;gap:16px;align-items:flex-start;counter-increment:st}
.stp .n{flex:0 0 34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--vio),var(--wave));display:grid;place-items:center;font-weight:900;font-size:1rem}
.stp h3{font-size:1.02rem}
.stp p{color:var(--mut);font-size:.9rem}
.qalist{display:grid;gap:12px;margin-top:16px}
.qa{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 22px}
.qa h3{font-size:1rem;color:var(--ink)}
.qa p{color:var(--mut);font-size:.9rem;margin-top:6px}
footer.site{border-top:1px solid var(--line);padding:28px 0;margin-top:40px;color:var(--mut);font-size:.85rem}
.flex{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer nav a{margin-right:16px;font-size:.85rem}
@media(max-width:900px){.grid.g3,.g2{grid-template-columns:1fr}
 nav.main{position:fixed;inset:66px 0 auto 0;background:var(--bg2);flex-direction:column;padding:16px;gap:4px;display:none;border-bottom:1px solid var(--line)}
 nav.main.open{display:flex}
 .nav-toggle{display:block}
 .hero{padding:54px 0 46px}}