:root{
  --bg: #faf9f7;
  --card: #ffffff;
  --text: #4a5568;
  --muted: #718096;
  --accent: #f093fb;
  --accent-2: #a8edea;
  --border: #e2e8f0;
  --shadow: 0 6px 20px rgba(247, 147, 251, 0.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, 'Hiragino Kaku Gothic ProN', Meiryo, 'Noto Sans JP', sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(247, 147, 251, 0.08), transparent 60%),
    radial-gradient(800px 400px at 120% 30%, rgba(168, 237, 234, 0.12), transparent 50%),
    linear-gradient(135deg, #faf9f7 0%, #f7f3f0 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.container{
  width:min(1100px, 92vw);
  margin-inline:auto;
  padding-inline: 0;
}

.section{padding:72px 0}
.section.alt{background:linear-gradient(180deg, rgba(247, 147, 251, 0.03), rgba(168, 237, 234, 0.02)); border-top:1px solid var(--border); border-bottom:1px solid var(--border)}
.section-title{
  font-size: clamp(24px, 3vw, 32px);
  margin:0 0 28px;
  letter-spacing:.02em;
  font-weight:500;
}

.site-header{
  position:sticky; top:0; z-index:9;
  background:rgba(250,249,247,.9); backdrop-filter: saturate(1.2) blur(12px);
  border-bottom:1px solid rgba(247, 147, 251, 0.1);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  min-height:64px;
}
.logo{display:inline-flex; align-items:center; gap:.5rem; color:var(--text); text-decoration:none; font-weight:600}
.logo .logo-mark{display:inline-grid; place-items:center; width:32px; height:32px; border-radius:16px; background:linear-gradient(135deg,var(--accent),var(--accent-2))}

.nav ul{display:flex; gap:20px; align-items:center; list-style:none; margin:0; padding:0}
.nav a{color:var(--text); text-decoration:none; opacity:.9}
.nav a:hover{opacity:1}
.nav-toggle{display:none; background:none; border:0; width:44px; height:44px; position:relative}
.nav-toggle span{position:absolute; left:10px; right:10px; height:2px; background:var(--text); transition:.3s}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:28px}

@media (max-width: 900px){
  .nav-toggle{display:inline-block}
  .nav ul{position:fixed; inset:64px 0 auto; display:grid; gap:0; grid-auto-rows:minmax(56px,auto); background:rgba(250,249,247,.96); translate:0 -120%; transition:.35s; border-bottom:1px solid var(--border)}
  .nav ul.open{translate:0 0}
  .nav ul li{border-top:1px solid var(--border)}
  .nav a{padding:0 20px; display:flex; align-items:center}
}

.hero{padding:84px 0 40px}
.hero-grid{display:grid; grid-template-columns: 1.15fr 1fr; gap:40px; align-items:center}
.hero h1{font-size: clamp(28px, 4vw, 48px); line-height:1.3; margin:0 0 12px; font-weight:500}
.lead{font-size:clamp(16px, 2.1vw, 18px); color:var(--muted); margin:0 0 24px}
.accent{color:var(--accent)}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin:0 0 12px}
.trust{display:flex; gap:12px; list-style:none; margin:6px 0 0; padding:0; color:var(--muted); flex-wrap:wrap}
.trust li{padding:.45rem .8rem; border:1px solid var(--border); border-radius:999px; background:rgba(255,255,255,.6)}

.hero-media{display:grid; place-items:center}
svg{max-width:100%; height:auto}
.svg-card{fill:#ffffff; opacity:.9; stroke:var(--border); stroke-width:1}
.svg-line{fill:var(--accent); opacity:.3}
.svg-dot{fill:var(--accent-2)}

@media (max-width: 900px){
  .hero-grid{grid-template-columns: 1fr; gap:28px}
}

.grid-3{display:grid; grid-template-columns: repeat(3,1fr); gap:18px}
@media (max-width: 900px){ .grid-3{grid-template-columns:1fr} }

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.8), rgba(255,255,255,.6));
  border:1px solid var(--border);
  border-radius:24px;
  padding:24px 24px;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 6px; font-size:18px; font-weight:500}
.card p{margin:0; color:var(--muted)}

.steps{display:grid; grid-template-columns: 1fr; gap:10px; counter-reset: step}
.steps li{display:flex; align-items:center; gap:12px; background:rgba(255,255,255,.6); border:1px solid var(--border); padding:18px 20px; border-radius:20px}
.steps li span{display:inline-grid; place-items:center; width:32px; height:32px; border-radius:16px; background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#4a5568; font-weight:600}

.pricing{display:grid; grid-template-columns: repeat(3,1fr); gap:18px; align-items:stretch}
.price-card{
  display:grid; align-content:start; gap:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.7));
  border:1px solid var(--border); border-radius:28px; padding:28px; box-shadow: var(--shadow);
}
.price-card.featured{outline:2px solid var(--accent); outline-offset:2px}
.price{font-size:26px; font-weight:500}
.price span{opacity:.7; font-weight:600}
.price-card ul{margin:6px 0 0; padding-left:18px; color:var(--muted)}
@media (max-width: 900px){ .pricing{grid-template-columns:1fr} }

.note{color:var(--muted); font-size:14px}

.accordion details{
  background:rgba(255,255,255,.6);
  border:1px solid var(--border);
  border-radius:20px;
  padding:18px 20px;
}
.accordion details+details{margin-top:10px}
.accordion summary{cursor:pointer; list-style:none; font-weight:500}
.accordion summary::-webkit-details-marker{display:none}
.accordion .content{color:var(--muted); padding-top:8px}

.cta{padding:64px 0; background: radial-gradient(600px 180px at 70% 20%, rgba(247, 147, 251, 0.12), transparent 60%), rgba(255,255,255,.4); border-top:1px solid var(--border)}
.cta-inner{display:grid; gap:10px; justify-items:center; text-align:center}
.btn-online{display:inline-block; background:linear-gradient(135deg,var(--accent), var(--accent-2)); color:#4a5568; padding:16px 24px; border-radius:24px; font-weight:600; text-decoration:none; box-shadow: var(--shadow)}

.site-footer{border-top:1px solid var(--border); padding:30px 0 50px; background:rgba(250,249,247,.8)}
.footer-grid{display:grid; grid-template-columns: 1fr auto; gap:18px; align-items:start}
.footer-nav{list-style:none; display:grid; gap:10px; margin:0; padding:0}
.small{color:var(--muted); font-size:12px}
@media (max-width: 900px){ .footer-grid{grid-template-columns:1fr} }

/* Buttons */
.btn{display:inline-block; text-decoration:none; font-weight:600; border-radius:20px; padding:14px 20px; border:1px solid transparent; transition:.2s}
.btn-sm{padding:8px 12px; font-size:14px}
.btn-lg{padding:14px 20px; font-size:16px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#4a5568; box-shadow: var(--shadow)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:var(--border); background:rgba(255,255,255,.7); color:var(--text)}
.btn-ghost:hover{border-color:#2e3c63}

/* Focus styles */
a:focus-visible, button:focus-visible, summary:focus-visible{
  outline:2px solid var(--accent); outline-offset:3px; border-radius:8px;
}