@charset "UTF-8";

*,*::before,*::after{box-sizing:border-box}
ul[class],ol[class]{padding:0}
body,h1,h2,h3,h4,p,ul[class],ol[class],figure,blockquote,dl,dd{margin:0}
html{scroll-behavior:smooth}
body{min-height:100vh;text-rendering:optimizeSpeed;line-height:1.5}
ul[class],ol[class]{list-style:none}
a:not([class]){text-decoration-skip-ink:auto}
img,picture{max-width:100%;display:block}
article>*+*{margin-top:1em}
input,button,textarea,select{font:inherit}
img:not([alt]){filter:blur(10px)}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
/* addition */
main{display:block}
h5,h6{margin:0}
img,picture{width:100%;height:auto}
table{border-collapse:collapse;border-spacing:0}
a{color:inherit;word-break:break-all}
.cf:before,.cf:after{content:"";display:table}
.cf:after{clear:both}


/* fonts
================================================= */
@font-face {
  font-family: "NotoSansJP-Bold";
  font-weight: 700;
  font-style: normal;
  src: url('../fonts/NotoSansJP-Bold.woff2') format('woff2'),
    url('../fonts/NotoSansJP-Bold.woff') format('woff'),
    url('../fonts/NotoSansJP-Bold.ttf') format('truetype');
}


/* base
================================================= */
html {
  font-size: 62.5%;
}
body {
  background-color: #ffffff;
  color: #181818;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: clamp(1.6rem, 4.6vw, 1.8rem);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
a {
  color: #1558d6;
}
a:visited {
  color: #681da8;
}
a:hover,
a:active {
  color: #44a0ff;
}


/* text decoration
================================================= */
.text-smallest {
  font-size: 0.7em;
}
.text-small {
  font-size: 0.85em;
}
.text-large {
  font-size: 1.25em;
}
.text-largest {
  font-size: 1.4em;
}
.text-bold {
  font-weight: bold;
}
.text-red {
  color: #C80028;
}
.text-center {
  text-align: center;
}


/* button
================================================= */
button {
  appearance: none;
  border: 0;
  text-align: left;
}
.btn,
a.btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 280px);
  height: 66px;
  margin: 0.4em 0;
  padding: 0 1.35em;
  border-color: #3f48be;
  border-style: solid;
  border-width: 2px;
  border-radius: 100vh;
  background-color: #3f48be;
  color: #ffffff;
  line-height: 1.3;
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}
.btn:hover,
.btn:active {
  background-color: #ffffff;
  color: #3f48be;
}
.btn.small {
  height: 60px;
}
.btn.more,
.btn.close {
  margin: 0.4em auto;
}
.btn.close {
  background-color: #ffffff;
  color: #3f48be;
}
.btn.close:hover,
.btn.close:active {
  background-color: #3f48be;
  color: #ffffff;
}
.btn::after {
  content: "";
  display: block;
  width: 18px;
  height: 18px;
  margin-left: 5px;
	margin-right: -5px;
  background-image: url(../image/icons/arrow-head_white.svg), url(../image/icons/arrow-head_blue.svg);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover, 0 0;
}
.btn.more::after {
	margin-right: 0;
  background-image: url(../image/icons/plus_white.svg), url(../image/icons/plus_blue.svg);
}
.btn.close::after {
	margin-right: 0;
  background-image: url(../image/icons/close_blue.svg), url(../image/icons/close_white.svg);
}
.btn:hover::after,
.btn:active::after {
  background-size: 0 0, cover;
}


/* youtube
================================================= */
div.youtube iframe {
  width: 100%;
  height: 100%;
	aspect-ratio: 16 / 9;
}


/* header
================================================= */
header {
  width: 100%;
  padding: 1px 0;
  background-color: #F4F4F4;
  background-image: url(../image/bg_header.png);
  background-repeat: repeat;
  background-position: center center;
  background-size: 8px 8px;
}


/* main
================================================= */
main {
  width: min(90%, 1230px);
  margin: 10% auto;
}
@media print, screen and (min-width: 600px) {
	main { margin: 8.5% auto; }
}
@media print, screen and (min-width: 960px) {
	main { margin: 7% auto; }
}
@media print, screen and (min-width: 1366px) {
	main { margin: 100px auto; }
}

/* h2 */
section h2 {
  position: relative;
  margin-bottom: 3.5vw;
  color: #414ac4;
  font-family: "NotoSansJP-Bold", sans-serif;
  font-size: 2.9rem;
  text-indent: 0.8em;
  line-height: 1.3;
}
section h2::before {
  content: "";
  position: absolute;
  top: 0.2em;
  left: 0;
  display: block;
  width: 0.6em;
  height: 0.9em;
  background: url(../image/h2.svg) no-repeat top center;
  background-size: contain;
}
@media print, screen and (min-width: 600px) {
  section h2 { margin-bottom: 2.5vw; font-size: 3.6rem; }
}
@media print, screen and (min-width: 960px) {
  section h2 { margin-bottom: 2.1vw; font-size: 4.4rem; }
}
@media print, screen and (min-width: 1366px) {
  section h2 { margin-bottom: 30px; font-size: 4.6rem; }
}


/* footer
================================================= */
footer {
	padding: 15px 0;
	background: #141414;
	color: #fff;
  font-size: 1.2rem;
	text-align: center;
}
address {
  font: inherit;
  line-height: 20px;
}
@media print, screen and (min-width: 768px) {
  footer { padding: 25px 0; }
}