:root {
  --sky: #6fc6ff;
  --sun: #ffd861;
  --blush: #ffb7d5;
  --pink: #ff4f93;
  --violet: #6a58a8;
  --deep: #3c2e78;
  --bg: #f6f9ff;
  --surface: #ffffff;
  --text: #261f4a;
  --muted: #5a5380;
  --border: #d8d4ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: linear-gradient(180deg, #f8fbff 0%, #f4f2ff 45%, #ffffff 100%);
  color: var(--text);
  line-height: 1.7;
}

.container {
  width: min(1000px, 92%);
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  z-index: 20;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--deep);
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 14px;
  font-size: 0.95rem;
}

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

main {
  padding: 36px 0 80px;
}

.hero {
  background: linear-gradient(125deg, rgba(111, 198, 255, 0.24), rgba(255, 183, 213, 0.26), rgba(255, 216, 97, 0.2));
  border: 1px solid #e7ddff;
  border-radius: 24px;
  padding: 34px 34px 24px;
  box-shadow: 0 16px 50px rgba(106, 88, 168, 0.16);
}

.hero-top {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
  align-items: stretch;
}

.kicker {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 600;
  background: rgba(60, 46, 120, 0.12);
  border: 1px solid rgba(60, 46, 120, 0.16);
  color: var(--deep);
  padding: 6px 12px;
  border-radius: 999px;
}

.hero h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  margin: 12px 0 12px;
}

.hero .lead {
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.btn {
  display: inline-block;
  padding: 10px 15px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), #ff76ae);
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: var(--deep);
  border: 1px solid #d7cfff;
}

.visual {
  border-radius: 18px;
  border: 1px dashed rgba(60, 46, 120, 0.28);
  background: linear-gradient(150deg, rgba(60, 46, 120, 0.08), rgba(255, 79, 147, 0.14), rgba(111, 198, 255, 0.18));
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--deep);
  padding: 18px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.84rem;
  border: 1px solid transparent;
  color: var(--deep);
}

.chip.sky {
  background: rgba(111, 198, 255, 0.2);
  border-color: rgba(111, 198, 255, 0.5);
}

.chip.sun {
  background: rgba(255, 216, 97, 0.28);
  border-color: rgba(255, 216, 97, 0.56);
}

.chip.blush {
  background: rgba(255, 183, 213, 0.32);
  border-color: rgba(255, 79, 147, 0.3);
}

.section-title {
  margin: 44px 0 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 26px rgba(60, 46, 120, 0.06);
}

.feature-card h3 {
  margin: 0 0 8px;
  color: var(--deep);
}

.safety-panel {
  margin-top: 18px;
  background: linear-gradient(135deg, rgba(106, 88, 168, 0.1), rgba(255, 79, 147, 0.12));
  border: 1px solid #d6c8ff;
  border-radius: 18px;
  padding: 22px;
}

.safety-list {
  margin: 8px 0 0;
  padding-left: 18px;
}

h1 {
  margin-top: 0;
  line-height: 1.3;
}

h2 {
  margin-top: 36px;
  color: var(--deep);
}

p,
li {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  background: var(--surface);
}

a {
  color: var(--violet);
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 34px;
  color: var(--muted);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.86);
}

.small {
  font-size: 0.92rem;
}

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

  nav a {
    margin-left: 10px;
    font-size: 0.88rem;
  }
}