:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans JP", "Helvetica Neue", sans-serif;
  --color-bg: #fffafc;
  --color-surface: #ffffff;
  --color-soft: #fff1f6;
  --color-warm: #fff8ee;
  --color-ink: #251d29;
  --color-muted: #6d6170;
  --color-primary: #e74786;
  --color-primary-dark: #a82758;
  --color-coral: #ff7f6f;
  --color-mint: #dff7ef;
  --color-line: #f3d8e2;
  --color-deep: #2c2030;
  --shadow-soft: 0 18px 44px rgba(168, 39, 88, .1);
  --shadow-photo: 0 24px 70px rgba(168, 39, 88, .18);
  --radius: 8px;
  --container: 1120px;
  --space-xs: 8px;
  --space-sm: 14px;
  --space-md: 22px;
  --space-lg: 34px;
  --space-xl: 56px;
  --space-xxl: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-bg);
  font-family: var(--font-sans);
  line-height: 1.75;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(100% - 32px, var(--container)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--color-line);
  background: rgba(255, 250, 252, .94);
  backdrop-filter: blur(14px);
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; }
.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-coral));
}
.nav-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px; font-size: 14px; font-weight: 800; }
.btn, .sticky-cta a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  padding: 12px 22px;
  color: #fff;
  background: var(--color-primary);
  font-weight: 900;
  box-shadow: 0 14px 30px rgba(231, 71, 134, .2);
}
.btn--ghost { color: var(--color-primary-dark); background: #fff; box-shadow: none; }
.hero { padding: var(--space-xxl) 0 var(--space-xl); background: linear-gradient(180deg, #fff 0%, var(--color-soft) 100%); }
.page-hero { padding: 70px 0 48px; background: linear-gradient(180deg, #fff 0%, var(--color-soft) 100%); }
.hero-grid, .split, .visual-band, .stats-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.kicker {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.18; letter-spacing: 0; }
h1 { max-width: 10.5em; font-size: clamp(38px, 6vw, 68px); }
h2 { font-size: clamp(30px, 4.2vw, 48px); }
h3 { margin-bottom: 10px; font-size: 21px; }
p { margin: 0 0 1em; }
.lead { max-width: 720px; color: var(--color-muted); font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badges span {
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255,255,255,.8);
  color: #5e5061;
  font-size: 13px;
  font-weight: 800;
}
.hero-media img, .visual-band img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-photo);
}
.photo-tall img { aspect-ratio: 4 / 5; }
.hero-note {
  position: relative;
  width: min(88%, 370px);
  margin: -52px auto 0;
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}
.section { padding: 72px 0; }
.section--soft { background: var(--color-soft); }
.section--warm { background: var(--color-warm); }
.section--deep { color: #fff; background: var(--color-deep); }
.section--deep p, .section--deep .kicker, .section--deep .note { color: rgba(255,255,255,.78); }
.section-head { max-width: 780px; margin-bottom: 28px; }
.grid { display: grid; gap: 18px; }
.grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .panel, .voice, .faq article {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}
.card, .panel, .voice, .faq article { padding: 26px; }
.card p, .panel p, .voice p, .faq p { color: var(--color-muted); }
.number {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: #17694e;
  background: var(--color-mint);
  font-weight: 900;
}
.visual-band { grid-template-columns: minmax(280px, .82fr) minmax(0, 1.18fr); }
.visual-band--reverse { grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr); }
.visual-band--reverse img { order: 2; }
.feature-list { display: grid; gap: 14px; }
.feature-list div {
  display: grid;
  gap: 3px;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff;
}
.feature-list strong { color: var(--color-primary-dark); font-size: 22px; }
.feature-list span { color: var(--color-muted); }
.stat-list { display: grid; gap: 12px; }
.stat-list div {
  padding: 24px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
}
.stat-list strong { display: block; font-size: 36px; }
.voice span {
  display: inline-flex;
  margin-bottom: 12px;
  border-radius: 999px;
  padding: 5px 12px;
  color: var(--color-primary-dark);
  background: var(--color-soft);
  font-size: 13px;
  font-weight: 900;
}
.note { color: var(--color-muted); font-size: 13px; }
.site-footer { padding: 52px 0 88px; color: #fff; background: var(--color-deep); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 2fr; gap: 38px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; color: rgba(255,255,255,.78); }
.sticky-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px 10px 16px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 16px 44px rgba(37,29,41,.18);
  backdrop-filter: blur(12px);
}
.sticky-cta span { color: var(--color-muted); font-size: 13px; font-weight: 800; white-space: nowrap; }
.sticky-cta a { min-height: 40px; padding: 8px 16px; }
@media (max-width: 900px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .hero-grid, .split, .visual-band, .visual-band--reverse, .stats-band, .footer-grid,
  .grid--four, .grid--three, .grid--two { grid-template-columns: 1fr; }
  .visual-band--reverse img { order: 0; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero { padding-top: 54px; }
  .section { padding: 52px 0; }
  .actions, .actions .btn, .btn { width: 100%; }
  .footer-links { grid-template-columns: 1fr; }
  .sticky-cta { left: 12px; right: 12px; justify-content: space-between; }
}