/* ===== Design tokens (from Figma: akala / Coming soon) ===== */
:root {
  --color-gold:        #ffd700;
  --color-gold-deep:   rgba(212, 175, 55, 0.9);
  --color-gold-bright: rgba(255, 215, 0, 0.9);
  --color-ink:         #252525;
  --color-black:       #000000;
  --color-bg:          #ffffff;

  --bar-top-height:    10px;
  --bar-footer-height: 48px;

  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

/* ===== Layout ===== */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--color-bg);
  font-family: var(--font-serif);
}

/* ===== Header ===== */
.header {
  padding: 25px 20px 0;
  text-align: center;
  border-bottom: var(--bar-top-height) solid var(--color-gold);
  padding-bottom: 21px; /* 106px line position − 25px top − ~logo height */
}

.logo {
  margin: 0;
  font-size: 48px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.02em;
  /* 金色の縦グラデーション */
  background: linear-gradient(
    to bottom,
    var(--color-gold-deep),
    var(--color-gold-bright)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Main ===== */
.main {
  flex: 1 1 auto;
  padding: 60px 20px;
  text-align: center;
}

.title {
  margin: 0;
  font-size: 40px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-ink);
}

.lead {
  margin: 24px 0 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-ink);
}

/* ===== Footer ===== */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--bar-footer-height);
  background: var(--color-gold);
}

.copyright {
  margin: 0;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-black);
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .logo {
    font-size: 36px;
  }
  .title {
    font-size: 30px;
  }
  .main {
    padding: 40px 16px;
  }
}