/* ===== Base ===== */

body {
  background-color: black;
  color: rgba(130, 140, 243, 0.801);
  font-family: "Times New Roman", serif;
  font-size: 0.9em;
  margin: 0;
  padding: 40px;
  height: auto;
  text-align: center;
}

p {
  line-height: 1.7;
}

/* ===== Layout ===== */

.content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.3em;
  text-align: left;
  position: relative;
  top: -0.3em;
}

/* ===== Headings ===== */

.heading {
  font-size: 1.1em;
  font-weight: bold;
  margin-top: 1.5em;
  margin-bottom: 1em;
  text-align: left;
}

.content h1 {
  font-size: 1.15em;
  margin-top: 1.5em;
  margin-bottom: 1em;
}

/* ===== Japanese text ===== */

.jp {
  font-family: "MS Mincho", "Hiragino Mincho Pro", "Noto Serif JP", serif;
  font-size: 0.98em;
  line-height: 1.65;
  font-weight: 290;
  text-align: left;
}

.jp.heading {
  font-size: 1.0em;
  font-weight: bold;
  margin-top: 1.5em;
  margin-bottom: 1em;
  text-align: left;
}

.jp.small {
  font-size: 0.85em;
}

/* ===== Brand block ===== */

.brand {
  display: block;
  font-weight: normal;
  font-size: 1.1em;
  letter-spacing: 0.03em;
  text-align: left;
  line-height: 0.5;
  margin-bottom: 0;
}

.brand + em {
  display: block;
  font-size: 1em;
  line-height: 0.5 !important;
  margin-top: -0.2em;
}

/* ===== Buttons ===== */

a.button {
  display: inline-block;
  padding: 0.5em 1.2em;
  margin: 0 0.5em 20px;
  background-color: #222;
  color: rgba(130, 140, 243, 0.801);
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  transition: background-color 0.3s;
}

a.button:hover {
  background-color: #444;
}

a.button.small-button {
  font-size: 0.8em;
  padding: 0.3em 0.8em;
  font-family: "Verdana", "Noto Sans JP", sans-serif;
  font-weight: normal;
  border-radius: 7px;
}

/* ===== Spacers ===== */

.spacer-xs { height: 0.3em; }
.spacer-s  { height: 0.5em; }
.spacer-m  { height: 3em; }
.spacer-l  { height: 6em; }
.spacer-xl { height: 10em; }
.spacer-huge { height: 33em; }

/* center row for buttons if必要なら */
.button-row {
  text-align: center;
}