:root{
  --pink:#FADADD;
  --blue:#D6EAF8;
  --green:#D5F5E3;
  --ink:#222;
  --bg:#FFF7FB;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:"Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", Meiryo, sans-serif;color:var(--ink);background:var(--bg)}
a{color:#e75480;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1000px;margin:0 auto;padding:24px}
.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid #eee;z-index:10}
.logo{font-weight:800;letter-spacing:.02em}
.nav a{margin-left:12px;font-size:14px}
.hero{
  min-height:70vh;
  display:grid;
  place-items:center;
  text-align:center;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(1200px 650px at 85% -10%, rgba(214,234,248,0.9), transparent 70%),
    radial-gradient(1000px 560px at -10% 15%, rgba(250,218,221,0.95), transparent 65%),
    linear-gradient(180deg, #fff, var(--bg));
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(12px 8px at 20% 30%, rgba(250,218,221,.7), transparent 50%),
    radial-gradient(10px 6px at 65% 20%, rgba(214,234,248,.7), transparent 50%),
    radial-gradient(14px 9px at 80% 60%, rgba(250,218,221,.6), transparent 55%),
    radial-gradient(8px 5px at 35% 75%, rgba(214,234,248,.6), transparent 55%);
  opacity:.5; pointer-events:none;
}
.badge{display:inline-block;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid #e6e6e6;font-size:12px;margin-bottom:12px}
h1{font-size:clamp(32px,5vw,56px);line-height:1.1;margin:12px 0}
.lead{font-size:clamp(16px,2.3vw,20px);opacity:.85}
.cta{margin-top:24px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{padding:12px 18px;border-radius:12px;border:1px solid #ddd;background:#fff;font-weight:600}
.btn.primary{background:var(--pink)}
.section{padding:56px 0}
.section.alt{background:linear-gradient(180deg, #fff, var(--bg))}
.kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;opacity:.7}
.cards{display:grid;grid-template-columns:repeat(auto-fit, minmax(240px,1fr));gap:16px;margin-top:20px}
.card{background:#fff;border:1px solid #eee;border-radius:16px;padding:18px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.card h3{margin-top:0}
.footer{padding:36px 0;border-top:1px solid #eee}
.small{font-size:12px;opacity:.7}