:root {
  --pink: #fd6596;
  --pink-deep: #f04b82;
  --pink-soft: #fff0f5;
  --ink: #2f2a2c;
  --muted: #6b5f64;
  --card: #ffffff;
  --line: rgba(47, 42, 44, 0.08);
  --shadow: 0 12px 40px rgba(253, 101, 150, 0.18);
  --radius: 20px;
  --max: 1080px;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #ffe0eb 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #ffd0e0 0%, transparent 45%),
    linear-gradient(180deg, #fff7fa 0%, #ffffff 40%, #fff5f8 100%);
  line-height: 1.7;
}

a {
  color: var(--pink-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.wrap {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 247, 250, 0.88);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.nav a:hover {
  color: var(--pink-deep);
}

.nav-cta {
  color: #fff !important;
  background: var(--pink);
  padding: 8px 14px;
  border-radius: 999px;
}

.nav-cta:hover {
  background: var(--pink-deep);
  text-decoration: none;
}

.hero {
  padding: 48px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(253, 101, 150, 0.12);
  color: var(--pink-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: var(--pink);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--pink-deep);
  color: #fff;
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-lg {
  min-height: 54px;
  padding: 0 28px;
  font-size: 1.05rem;
}

.hero-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-visual {
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: #fff;
}

.section {
  padding: 56px 0;
}

.section-alt {
  background: rgba(255, 240, 245, 0.65);
}

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}

.prose p,
.prose li {
  color: var(--muted);
  font-size: 1.02rem;
}

.prose p {
  margin: 0 0 1em;
}

.prose ul {
  margin: 0 0 1.2em;
  padding-left: 1.2em;
}

.prose h3 {
  margin: 1.4em 0 0.4em;
  font-size: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: 0 8px 24px rgba(47, 42, 44, 0.04);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.cta-band .cta-band-inner {
  text-align: center;
  background: linear-gradient(135deg, #ff8fab, #fd6596 55%, #f04b82);
  color: #fff;
  border-radius: 28px;
  padding: 40px 24px;
  box-shadow: var(--shadow);
}

.cta-band h2 {
  margin: 0 0 10px;
  color: #fff;
}

.cta-band p {
  margin: 0 auto 20px;
  max-width: 36em;
  color: rgba(255, 255, 255, 0.94);
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--pink-deep);
  box-shadow: none;
}

.cta-band .btn-primary:hover {
  background: var(--pink-soft);
  color: var(--pink-deep);
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.footer-inner {
  text-align: center;
}

.footer-inner p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-copy {
  opacity: 0.75;
}

@media (max-width: 880px) {
  .hero-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding-top: 28px;
  }
}