:root {
  color-scheme: light;
  --ink: #1b1f2a;
  --muted: #4d5768;
  --paper: #f6f1ea;
  --accent: #ff8c42;
  --accent-deep: #ff5d3a;
  --card: #fffdf9;
  --shadow: 0 18px 40px rgba(25, 35, 60, 0.18);
}

body {
  font-family: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Yu Gothic UI", "Yu Gothic",
    "Meiryo", sans-serif;
  margin: 0;
  background: radial-gradient(circle at top, #fff7ef 0%, var(--paper) 42%, #efe9df 100%);
  color: var(--ink);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

body::before,
body::after {
  content: "";
  position: absolute;
  width: min(420px, 60vmin);
  height: min(420px, 60vmin);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 140, 66, 0.25), rgba(255, 140, 66, 0));
  filter: blur(2px);
  z-index: -1;
}

body::before {
  top: -10vmin;
  right: -10vmin;
}

body::after {
  bottom: -12vmin;
  left: -12vmin;
  background: radial-gradient(circle, rgba(56, 177, 255, 0.25), rgba(56, 177, 255, 0));
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 20px 84px;
}

header {
  margin-bottom: 36px;
  display: grid;
  gap: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  width: fit-content;
  color: var(--muted);
  box-shadow: 0 10px 24px rgba(25, 35, 60, 0.12);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--accent), var(--accent-deep));
}

h1 {
  font-size: clamp(32px, 4.2vw, 46px);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted);
}

.lead {
  font-size: 17px;
  max-width: 640px;
}


ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}

li a {
  display: block;
  background: var(--card);
  border-radius: 16px;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 140, 66, 0.15);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  animation: rise 420ms ease both;
}

li a:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 46px rgba(25, 35, 60, 0.22);
  border-color: rgba(255, 93, 58, 0.4);
}

small {
  display: block;
  margin-top: 6px;
  color: #6b7280;
}

.grid {
  display: grid;
  gap: 16px;
}

.footer {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

.footer a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(27, 31, 42, 0.12);
  background: rgba(255, 255, 255, 0.8);
  transition: border-color 200ms ease, color 200ms ease, transform 200ms ease;
}

.footer a:hover {
  color: var(--ink);
  border-color: rgba(27, 31, 42, 0.3);
  transform: translateY(-2px);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

li:nth-child(1) a {
  animation-delay: 60ms;
}

li:nth-child(2) a {
  animation-delay: 120ms;
}

li:nth-child(3) a {
  animation-delay: 180ms;
}

li:nth-child(4) a {
  animation-delay: 240ms;
}

li:nth-child(5) a {
  animation-delay: 300ms;
}

li:nth-child(6) a {
  animation-delay: 360ms;
}

li:nth-child(7) a {
  animation-delay: 420ms;
}

li:nth-child(8) a {
  animation-delay: 480ms;
}

li:nth-child(9) a {
  animation-delay: 540ms;
}

li:nth-child(10) a {
  animation-delay: 600ms;
}