/*! Generated by Font Squirrel (https://www.fontsquirrel.com) on September 2, 2020 */

html {
  font-size: 16px; /* เพื่อให้ 1rem มีค่าประมาณ 16px */
}
body {
  font-family: 'Prompt', sans-serif;
  color: #000;
}

h1,
h2,
h3,
h4,
h5,
button,
.btn,
.btn-link,
.headTxt,
.subMenu1,
.subMenu1Body {
  font-family: 'Prompt', sans-serif;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 600;
}

/* iphone */
@media only screen and (min-device-width: 280px) {
  html {
    font-size: 18px;
  }
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.7rem;
  }
  h4 {
    font-size: 1.4rem;
  }
  h5 {
    font-size: 1rem;
  }
}

/* ipad */
@media only screen and (min-device-width: 834px) {
  html {
    font-size: 18px;
  }
  h1 {
    font-size: 4rem;
  }
  h2 {
    font-size: 2.2rem;
  }
  h3 {
    font-size: 2rem;
  }
  h4 {
    font-size: 1.8rem;
  }
  h5 {
    font-size: 1.2rem;
  }
}

/* ----------- lap top ----------- */
@media screen and (min-device-width: 1600px) {
  html {
    font-size: 20px;
  }
  h1 {
    font-size: 4.5rem;
  }
  h2 {
    font-size: 3rem;
  }
  h3 {
    font-size: 2.5rem;
  }
  h4 {
    font-size: 2rem;
  }
  h5 {
    font-size: 1.4rem;
  }
}

/* ----------- Full HD ----------- */
@media screen and (min-device-width: 1920px) {
  html {
    font-size: 24px;
  }
  h2 {
    font-size: 3.125rem;
  }
}
/* ----------- 4K ----------- */
@media screen and (min-device-width: 2560px) {
  html {
    font-size: 28px;
  }
  h2 {
    font-size: 3.5rem;
  }
}
/* Portrait and Landscape */
@media only screen and (-webkit-min-device-pixel-ratio: 2) {
  h1 {
    letter-spacing: -2px !important;
  }
  h2,
  h3,
  h4,
  h5 {
    letter-spacing: -1px !important;
  }
  h2 *,
  h3 *,
  h4 *,
  h5 * {
    letter-spacing: -1px !important;
  }
}