@charset "UTF-8";

/* header
================================================= */
header {
  width: 90%;
  max-width: 1024px;
  margin: 6% auto 0;
}
header h1 {
  font-size: 2.2rem;
  line-height: 1.4;
  text-align: center;
}
header h1 .sub {
  display: block;
  margin: 0.5em auto;
  font-size: 0.7em;
  line-height: 1.5;
}
header h1 img {
  width: 100%;
	margin: 0 auto;	
}
@media print, screen and (min-width: 520px) {
  header { margin-top: 5%; }
  header h1 { font-size: 3.0rem; }
  header h1 .sub { font-size: 0.6em; }
}
@media print, screen and (min-width: 960px) {
  header { margin-top: 50px; }
  header h1 { font-size: 3.9rem; }
}


/* main
================================================= */
main {
  width: 90%;
  max-width: 1024px;
  margin: 5% auto 6%;
}
.col-a > section,
.col-b > section,
.col-c > section {
  margin-top: 9vw;
  padding: 5%;
  background: #fff;
}
@media print, screen and (min-width: 520px) {
  body { font-size: 1.8rem; }
  main { margin: 4% auto 5%; }
  /*main > div.wrap.flex { display: flex; justify-content: space-between; }
  main > div.wrap.flex > .col-a { width: 47.5%; }
  main > div.wrap.flex > .col-b { width: 47.5%; }*/
  .col-a > section, .col-b > section , .col-c > section { margin-top: 4.5vw; padding: 4%; }
}
@media print, screen and (min-width: 960px) {
  main { margin: 40px auto 50px; }
  .col-a > section, .col-b > section, .col-c > section { margin-top: 35px; }
}

/* text decoration */
.text-small {
  font-size: 0.85em;
}
.text-underline {
  text-decoration: underline;
}
.text-large {
  font-size: 1.25em;
}
.text-bold {
  font-weight: bold;
}
.text-red {
  color: #C80028;
}

/* catch */
div.catch {
  width: 100%;
  margin: 2% auto;
  padding: 2.5% 0;
	border-top: 1px solid #181818;
	border-bottom: 1px solid #181818;
	font-size: 1.7rem;
	font-weight: bold;
}

@media print, screen and (min-width: 540px) {
  div.catch {text-align: center;}
  div.catch span { display: inline-block;}
}

@media print, screen and (min-width: 960px) {
  div.catch { margin-top: 0.5%; padding: 20px 0; font-size: 1.9rem; }
  div.catch br { display: inline; }
}


/* h2 & h3 & p */
h2 {
  margin: 1em 0 0.4em;
	padding: 0.25em 0.6em;
	border-radius: 3px;
	background: #3188B3;
  color: #fff;
  font-size: 1.8rem;
  letter-spacing: 0.08em;
  line-height: 1.4;
}
h2:first-child { margin: 0 0 0.4em; }
h3 {
  margin: 1.25em 0 0.3em;
  font-size: 1.6rem;
  line-height: 1.5;
}
h4 {
  margin: 1.25em 0 0.3em;
	border-left: 5px solid #3188B3;
	padding-left: 0.5em;
	font-size: 1.6rem;
  line-height: 1.5;
}
h2 + h3 {
  margin-top: 0.7em;
}
p + p {
  margin-top: 0.8rem;
}
@media print, screen and (min-width: 960px) {
  h2 { font-size: 1.9rem; }
  h3,h4 { font-size: 1.7rem; }
}

/* button */
a.btn {
  display: block;
  width: 90%;
  max-width: 320px;
  margin: 1.6em auto 2em;
  padding: 1.6rem;
  background: #ff5981;
  color: #fff;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  transition: .2s;
	border-radius: 30px;
	font-size: 2rem;
	font-weight: bold;
}
a.btn:hover,
a.btn:active {
  background: #000;
}

/* youtube */
div.youtube {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 0;
  margin: 0 auto 10px;
  padding: 56.25% 0 0;
}
div.youtube iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
h2 + div.youtube {
  margin-top: 13px;
}
p + div.youtube {
  margin-top: 5px;
}
/*about*/
.col_howto {
  display: flex;
  flex-wrap: wrap;

  align-content: flex-start;
  margin-bottom: 14px;
  justify-content: space-between;
}
.col-1 ,.col-2 { width: 100%; margin: 0; }

@media print, screen and (min-width: 960px) {
  .col-1 ,.col-2 { width: 47.5%; margin: 0; }
}

.info_pre_and_que{
	margin: 4% auto 0;
	width: 100%;
	max-width: 640px;
}

/*枠*/
.pre_and_que {
	margin:2em auto;
	padding: 0.8rem 1.2rem;
	border: solid 4px #3188B3;
	border-radius: 10px;
}
.pre_and_que h3 {
	margin: 1.8rem 0 1rem;
	font-size: 2rem;
	line-height: 1.8;
	text-align: center;
	color: #3188B3;
	border-bottom: dotted 2px #3188B3;
}

.pre_and_que h3:first-child {
	margin-top: 0;
}
.pre_and_que .que-text {
	font-size: 1.8rem;
	font-weight: bold;
	line-height: 1.8;
}
.pre_and_que .que-text .highlight {
	font-size: 2.0rem;
	color: #FF0004;
}
.pre_and_que img.que-pic {
	width: 50%;
	max-width: 250px;
	margin: 0.4em auto;
}

/* figure */
.pre_and_que figure {
	width: 120px;
	margin: 1rem auto 0;
}
figcaption span.position {
  display: block;
  margin-top: 5px;
  text-align: center;
}
@media print, screen and (min-width: 520px) {
.pre_and_que { padding: 20px; }
.pre_and_que h3 { font-size: 2.4rem; }
}


/* banner */
.banner-area {
  margin-top: 1.5em;
}
a.banner {
  display: block;
  width: 100%;
  max-width: 320px;
  margin-top: 13px;
  margin-bottom: 13px;
  border: 1px solid #333;
}
a.banner.large {
  width: 100%;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
}