*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic","YuGothic","Noto Sans JP",Meiryo,sans-serif;line-height:1.75;color:#e6edf3;background:#0b0d0f}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

.header{position:sticky;top:0;z-index:999;background:rgba(12,14,18,.72);backdrop-filter:saturate(150%) blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo{font-weight:800;letter-spacing:.08em;color:#fff}
.logo small{font-weight:500;opacity:.7;margin-left:.5em}
nav ul.nav-menu{display:flex;gap:18px;list-style:none}
nav ul.nav-menu a{color:#dfe7ee;font-size:.95rem;opacity:.9;white-space:nowrap}
nav ul.nav-menu a:hover{opacity:1}
.menu-btn{display:none;color:#fff}

@media(max-width:920px){
  nav ul.nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(12,14,18,.98);
    backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid rgba(255,255,255,.08);
    padding:10px 20px;flex-direction:column;gap:10px}
  nav ul.nav-menu.open{display:flex}
  .menu-btn{display:inline-flex}
}

.hero{position:relative;min-height:70vh;display:flex;align-items:center;overflow:hidden}
.hero .content{position:relative;z-index:2;color:#fff;padding:64px 0}
.hero h1{font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.2;margin-bottom:14px}
.hero p{max-width:760px;opacity:.95;margin-bottom:22px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:12px 18px;border-radius:10px;border:1px solid rgba(255,255,255,.2);color:#fff;display:inline-flex;align-items:center;gap:8px;font-weight:700}
.btn.primary{background:linear-gradient(135deg,#3b82f6,#06b6d4)}
.btn.ghost{background:rgba(255,255,255,.06)}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.08);color:#b8c4cf;margin-bottom:14px;border:1px solid rgba(255,255,255,.08)}
#bg-canvas{position:absolute;inset:0;z-index:1}

.section{padding:64px 0;background:#0b0d0f;color:#e6edf3}
.section.alt{background:linear-gradient(180deg,#0b0d0f,#0e1116)}
.section h2{font-size:clamp(22px,4.2vw,34px);margin-bottom:18px;color:#fff;letter-spacing:.02em}
.lead{color:#b9c6d2;margin-bottom:28px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:880px){.grid.cols-3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}}

.card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:18px}
.card h3{color:#fff;font-size:1.1rem;margin-bottom:8px}
.card p{color:#c6d2dc}
.kpi{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px}
.kpi .item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);padding:10px 12px;border-radius:10px;color:#d8e2eb}
.list{margin-top:10px;color:#c7d3dd}
.list li{margin-left:1.2em;margin-bottom:6px}

.tiers{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.tier{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:20px;color:#e8eef4}
.tier h3{font-size:1.2rem;margin-bottom:6px}
.price{font-size:1.8rem;font-weight:800;margin:6px 0 10px}
.tier ul{margin:10px 0 0 1.2em}
.tier li{margin-bottom:6px}
.tier .note{font-size:.84rem;color:#a9b6c2;margin-top:10px}

.footer{padding:26px 0;border-top:1px solid rgba(255,255,255,.08);color:#a7b5c1}
.footer .cols{display:grid;gap:18px;grid-template-columns:2fr 1fr 1fr}
.footer a{color:#cbd7e3}
.footer small{display:block;margin-top:10px;opacity:.8}
@media(max-width:720px){.footer .cols{grid-template-columns:1fr}}

form{display:grid;gap:12px}
input,textarea,select{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:12px;border-radius:10px;color:#fff}
label{color:#c9d5e0;font-size:.92rem}
input::placeholder,textarea::placeholder{color:#9fb0be}
button{cursor:pointer}

.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid rgba(255,255,255,.08);padding:12px 8px;text-align:left;color:#cfe0ec}
.table th{color:#fff}
.badge-soft{background:rgba(59,130,246,.18);border:1px solid rgba(59,130,246,.35);color:#cfe4ff;padding:4px 8px;border-radius:999px;font-size:.8rem}

.mt-2{margin-top:10px}.mt-3{margin-top:16px}.mt-4{margin-top:22px}.mt-5{margin-top:30px}
.center{text-align:center}
.sep{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);margin:18px 0}