@charset "UTF-8";

:root {
  --text: #444;
  --muted: #666;
  --line: #dbeef5;
  --accent: #63b8d4;
  --background: #f8fcfe;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--background);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(255,255,255,.95), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, var(--background) 100%);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  line-height: 1.9;
}

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

.renewal {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 48px 24px;
}

.renewal__panel {
  width: min(100%, 760px);
  padding: 54px 56px 48px;
  text-align: center;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(45, 101, 121, .08);
}

.renewal__bird {
  width: min(100%, 220px);
  margin: 0 auto 24px;
}

h1 {
  margin: 0 0 30px;
  color: #3d6673;
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.55;
}

h1::after {
  display: block;
  width: 52px;
  height: 3px;
  margin: 20px auto 0;
  background: var(--accent);
  border-radius: 999px;
  content: "";
}

p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: clamp(.98rem, 1.8vw, 1.08rem);
}

.renewal__logo {
  width: min(100%, 260px);
  margin: 38px auto 0;
}

.sp-only {
  display: none;
}

@media (max-width: 640px) {
  .renewal {
    padding: 28px 16px;
  }

  .renewal__panel {
    padding: 38px 22px 34px;
    border-radius: 18px;
  }

  .renewal__bird {
    width: 160px;
    margin-bottom: 20px;
  }

  h1 {
    margin-bottom: 24px;
    letter-spacing: .05em;
  }

  p {
    margin-bottom: 16px;
    text-align: left;
  }

  .renewal__logo {
    width: 220px;
    margin-top: 30px;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: inline;
  }
}