/**************
|  style.css  |
**************/

@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

:root {
  font-size: 62.5%;
}

html {
  border-top: 0.1rem solid #222;
}

.main {
  background-image: url("./images/stone.jpg");
  font-family: "Roboto", sans-serif;
  box-sizing: border-box;
	object-fit: contain;
  text-align: center;
  margin: 0 auto;
  color: #222;
  width: 100%;
  padding: 0;
}

.main h1 {
	width: 90%;
	margin: auto;
  margin-top: 0;
  font-size: 3.2rem;
  padding: 3.0rem 1.0rem;
  text-shadow: 0.5rem 0.5rem 1.5rem #666;
}

.r {
  background-color: rgb(224, 224, 246);
  box-shadow: 0.4rem 0.4rem 0.9rem #666;
  border: 0.2rem outset #222;
  text-align: center;
	color: #222;
  margin: auto;
	max-width: 100%;
	visibility: hidden;
}

th,
td {
  border: 0.2rem inset #fff;
  font-size: 1.8rem;
  padding: 0.5rem;
}

td.b {
  font-weight: bold;
  text-align: center;
}

td.c {
  text-align: center;
}

td.cb {
  text-align: center;
  font-weight: bold;
}

#nowDay,
#utcDay,
#firstDstDay,
#secondDstDay {
  font-weight: normal;
  text-align: center;
  margin: 0;
}

#nowDate,
#utcDate,
#firstDstDate,
#secondDstDate {
  font-weight: normal;
  text-align: center;
  margin: 0;
}

#nowTime,
#utcTime,
#firstDstTime,
#secondDstTime {
  font-weight: normal;
  text-align: center;
  margin: 0;
}

#nowDiff,
#nowDiff2,
#utcDiff,
#dstDiff1,
#dstDiff2 {
  font-weight: normal;
  text-align: center;
  margin: 0;
}

#timeZone {
  font-weight: bold;
  text-align: center;
  margin: 0;
}

@media screen and (max-width: 600px) {
  .main h1 {
    font-size: 2.4rem;
  }
	td, th {
		font-size: 1.5rem;
	}
}

@media screen and (max-width: 500px) {
  .main h1 {
    font-size: 2.2rem;
  }
	td, th {
		font-size: 1.25rem;
		padding: 0.3rem;
	}
}

@media screen and (max-width: 420px) {
  .main h1 {
    font-size: 2.0rem;
  }
	td, th {
		font-size: 1.0rem;
	}
}

@media screen and (max-width: 350px) {
  .main h1 {
    font-size: 1.6rem;
  }
	td, th {
		font-size: 0.8rem;
	}
}