@charset "utf-8";

/* ========================================
    リセットcss
========================================= */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-style:normal;
	font-weight: normal;
	font-size: 100%;
	vertical-align: baseline;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}
html{overflow-y: scroll;}
blockquote, q {quotes: none;}
blockquote:before, blockquote:after,q:before, q:after {content: ''; content: none;}
ol, ul{list-style:none;}
table{border-collapse: collapse; border-spacing:0;}
caption, th{text-align: left;}
a:focus {outline:none;}



/* ========================================
	フロートの解除
========================================= */
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
/* ========================================
	全体設計
========================================= */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
}

a {
  text-decoration: none;
}

.clear {
  clear: left;
}

.container {
  max-width: 1170px;
  width: 100%;
  padding: 0 15px;
  margin: 0 auto;
}

.top-wrapper {
  padding: 180px 0 100px 0;
  background-image: url(img/mainimage.jpg);
  background-size: cover;
  color: white;
  text-align: center;
}

.top-wrapper h1 {
  opacity: 0.7;
  font-size: 45px;
  letter-spacing: 5px;
}

.top-wrapper p {
  opacity: 0.7;
}

.btn-wrapper p {
  margin: 10px 0;
}

.signup {
  background-color: #239b76;
}

.facebook {
  background-color: #3b5998;
  margin-right: 10px;
}

.twitter {
  background-color: #55acee;
}

.btn {
  padding: 8px 24px;
  color: white;
  display: inline-block;
  opacity: 0.8;
  border-radius: 4px;
  text-align: center;
}

.btn:hover {
  opacity: 1;
}

.fa {
  margin-right: 5px;
}

header {
  height: 65px;
  width: 100%;
  background-color: rgba(34, 49, 52, 0.9);
  position :fixed;
  top: 0;
  z-index: 10;
}

.logo {
  height: 65px;
  width: 100%;
  margin: 0;
}

.header-left {
  float: left;
}

.header-left a {
  line-height: 55px;
  margin-left: 60px;
  padding: 5px 25px;
  color: white;
  display: block;
  float: left;
  transition: all 0.5s;
}

.header-left a:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* menu-iconのCSSを貼り付けてください */
.menu-icon {
  color: white;
  float: right;
  font-size: 25px;
  padding: 21px 0;
  /* displayをnoneに指定してください */
  display:none;
}


.lesson-wrapper {
  padding-bottom: 80px;
  padding-left: 5%;
  padding-right: 5%;
  background-color: #f7f7f7;
  text-align: center;
}

.heading {
  padding-top: 80px;
  padding-bottom: 50px;
  color: #5f5d60;
}

.heading h2 {
  font-weight: normal;
}

.lesson {
  float: left;
  width: 33%;
}

.lesson-icon {
  position: relative;
}

.lesson-icon p {
  position: absolute;
  top: 44%;
  width: 100%;
  color: white;
  font-size: 130%;
}

.text-contents {
  width: 80%;
  display: inline-block;
  margin-top: 15px;
  font-size: 13px;
  color: #b3aeb5;
}

.heading h3 {
  font-weight: normal;
}

.message-wrapper {
  border-bottom: 1px solid #eee;
  padding-bottom: 80px;
  text-align: center;
}

.message {
  padding: 15px 40px;
  background-color: #5dca88;
  cursor: pointer;
  box-shadow: 0 7px #1a7940;
}

.message:active {
  position: relative;
  top: 7px;
  box-shadow: none;
}

footer img {
  width: 125px;
}

footer {
  padding-top: 30px;
  padding-bottom: 20px;
}