@charset "UTF-8";

/* header
================================================= */
header {
  width: 100%;
	background: linear-gradient(to bottom, #FFF7ED, #FFEACB);
}
header h1 {
  width: min(100%, 1230px);
  margin: 0 auto;
  background: url(../image/header.webp) no-repeat center center;
  background-size: contain;
}


/* main
================================================= */
main {
  width: 90%;
  max-width: 1230px;
  margin: 5% auto 7%;
}
.col-a > section,
.col-b > section {
  margin-top: 9vw;
  padding: 1px 0;
}
.col-a > section:first-child {
  margin-top: 1vw;
}
@media print, screen and (min-width: 600px) {
  main { margin: 5% auto 6%; }
  main > div.wrap.flex { display: flex; justify-content: space-between; }
  main > div.wrap.flex > .col-a { width: 47%; }
  main > div.wrap.flex > .col-b { width: 47%; }
  .col-a > section, .col-b > section { margin-top: 5.5vw; }
  .col-a >section:first-child, .col-b > section:first-child { margin-top: 0; }
}
@media print, screen and (min-width: 960px) {
  main { margin: 60px auto 80px; }
  .col-a > section, .col-b > section { margin-top: 60px; }
}

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

/* h2 & h3 & p */
h2 {
  margin-bottom: 0.8em;
	padding: 0.3em 0.6em;
  outline: 4px solid #2a8195;
  outline-offset: 1px;
	border-radius: 1px;
	background: #2a8195;
  color: #fff;
  font-size: 1.25em;
  letter-spacing: 0.03em;
  line-height: 1.4;
}
h3 {
  margin: 1.6em 0 0.3em;
  color: #2a8195;
  font-size: 1.1em;
  line-height: 1.6;
}
h2 + h3 {
  margin-top: 0.7em;
}
p + p {
  margin-top: 0.9rem;
}

/* button */
a.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(90%, 280px);
  height: 60px;
  margin: 0.6em auto;
  padding: 0 1.0em;
  border-radius: 100vh;
  background-color: #cf3b83;
  color: #fff;
  font-weight: bold;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  transition: .2s;
}
a.btn:hover,
a.btn:active {
  background-color: #EA90BC;
}

/* add */
img.program {
  margin-bottom: 1.2em;
}
.supporters-sponsors {
  margin-top: 7%;
}
.flex-logo img {
  display: inline;
  width: auto;
  height: 2.3em;
  margin-right: 0.2em;
  margin-bottom: -0.8em;
}
ul {
  margin: 0;
  padding: 0 0 0 1.3em;
}