/* Font Face Declarations */
@font-face {
  font-family: 'LINE Seed JP App OTF';
  src: url('../fonts/LINESeedJP_A_OTF_Th.otf') format('opentype');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'LINE Seed JP App OTF';
  src: url('../fonts/LINESeedJP_A_OTF_Rg.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'LINE Seed JP App OTF';
  src: url('../fonts/LINESeedJP_A_OTF_Bd.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'LINE Seed JP App OTF';
  src: url('../fonts/LINESeedJP_A_OTF_Eb.otf') format('opentype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'LINE Seed JP App OTF', sans-serif;
  font-size: 24px;
  line-height: 1.3;
  color: #333333;
  text-align: center;
}

html {
  font-size: 16px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'LINE Seed JP App OTF', sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

p {
  font-family: 'LINE Seed JP App OTF', sans-serif;
  line-height: 1.3;
  margin-bottom: 0;
}

/* Common text styles */
.text-center {
  text-align: center;
}

.text-nowrap {
  white-space: nowrap;
}

.text-white {
  color: #ffffff;
}

.font-bold {
  font-weight: 700;
}

/* Layout utilities */
.relative {
  position: relative;
}

.block {
  display: block;
}

.size-full {
  width: 100%;
  height: 100%;
}

.display-pc {
  display: block;
}

.display-sp {
  display: none;
}

@media (max-width: 768px) {
  .display-sp {
    display: block;
  }

  .display-pc {
    display: none;
  }
}