@charset "UTF-8";
html {
  font-size: 100%;
}

body {
  font-family: "Arial";
}

img {
  max-width: 100%;
  vertical-align: bottom;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
li {
  list-style-type: none;
}

.inner {
  max-width: 1200px;
  padding: 0 16px;
  margin: 0 auto;
}

/*ヘッダー*/
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: #fff;
}

.header-logo {
  line-height: 1px;
  padding: 20px 0;
  width: 145px;
}

.header-nav {
  height: 36px;
  background-color: #333333;
}
.header-nav ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.header-nav ul li {
  line-height: 36px;
  margin-right: 59px;
}
.header-nav ul li a {
  color: #fff;
  display: inline-block;
  font-size: 0.875rem;
}
.header-nav ul li:nth-child(3),
.header-nav ul li:nth-child(4),
.header-nav ul li:nth-child(5) {
  margin-right: 60px;
}

/*トップ*/
.top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
@media (max-width: 767px) {
  .top {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
}
.top .top-item {
  width: 32%;
  margin-top: 150px;
  text-align: center;
}
@media (max-width: 767px) {
  .top .top-item {
    width: 100%;
  }
}
.top .top-item p {
  margin-top: 9px;
  text-align: left;
  font-weight: bold;
  line-height: 1.125;
  margin-top: 6px;
  font-size: 16px;
  line-height: 1.5;
}
.top .top-item a {
  display: inline-block;
  text-align: center;
  margin-top: 15px;
  font-size: 0.875rem;
  padding-bottom: 1px;
  position: relative;
}
.top .top-item a::after {
  content: "";
  height: 1px;
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 0;
  background: #333;
  -webkit-transition: all 200ms ease;
  transition: all 200ms ease;
}
.top .top-item a:hover::after {
  opacity: 0;
  -webkit-transform: translateY(3px);
          transform: translateY(3px);
}
@media (max-width: 767px) {
  .top .top-item + .top-item {
    margin-top: 30px;
  }
}

/*メイン*/
.main-flex {
  margin-top: 70px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
@media (max-width: 767px) {
  .main-flex {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
}

article {
  width: 65%;
}
@media (max-width: 767px) {
  article {
    width: 100%;
  }
}

aside {
  margin-right: 13px;
  font-size: 0.875rem;
  width: 29%;
}
@media (max-width: 767px) {
  aside {
    width: 100%;
    margin-top: 80px;
  }
}

/*アーティクル*/
.article-title {
  font-size: 1.5rem;
  line-height: 0;
}

.article-item {
  margin-top: 80px;
}

.article-item:first-child {
  margin-top: 0;
}

.article-item span {
  display: inline-block;
  margin-top: 15px;
  font-size: 0.875rem;
  margin-right: 18px;
}

.article-item img {
  margin-top: 10px;
}

.article-text {
  margin: 0 auto;
  margin-top: 10px;
  text-align: center;
  width: 91%;
}
.article-text p {
  text-align: left;
}

.article-text a {
  display: inline-block;
  margin-top: 30px;
}

/*アサイド*/
.profile .profile-img {
  text-align: center;
}
.profile .profile-img img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
}
.profile .profile-text {
  text-align: center;
  margin-top: 30px;
  line-height: 1.14;
}
.profile .profile-text h3 {
  font-size: 1.125rem;
  margin-top: 30px;
}
.profile .profile-text p {
  margin-top: 30px;
  text-align: left;
}

/*ランキング*/
.ranking {
  margin-top: 95px;
}
.ranking h3 {
  text-align: center;
  font-size: 1.125rem;
}
.ranking img {
  margin-top: 30px;
}
.ranking p {
  line-height: 1.14;
}

/*アチーブ*/
.achive {
  margin-top: 60px;
}
.achive h3 {
  text-align: center;
  font-size: 1.125em;
}
.achive p:first-of-type {
  margin-top: 30px;
}
.achive p {
  padding: 20px 0;
  border-top: 1px solid #777777;
  padding-left: 16px;
}
.achive p:last-of-type {
  border-bottom: 1px solid #777777;
}

footer {
  background-color: #f7f7f7;
  margin-top: 140px;
  padding-top: 50px;
  font-size: 0.875rem;
}
footer .footer-flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
@media (max-width: 767px) {
  footer .footer-flex {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
}
footer .footer-item {
  width: 30%;
}
@media (max-width: 767px) {
  footer .footer-item {
    width: 100%;
  }
}
footer .footer-item h3 {
  margin-bottom: 30px;
}
footer .footer-item p {
  margin-bottom: 20px;
}
footer .footer-item .footer-menu li {
  border-top: 1px solid #777777;
}
footer .footer-item .footer-menu li a {
  display: inline-block;
  padding: 15px 0;
  padding-left: 16px;
}
footer .footer-item .footer-menu li:last-child {
  border-bottom: 1px solid #777777;
}
footer .footer-item .about-item {
  position: relative;
  display: inline-block;
  padding-left: 12px;
}
footer .footer-item .about-item::before {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 6px 0 6px 8px;
  border-color: transparent transparent transparent #333;
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -6px;
}
@media (max-width: 767px) {
  footer .footer-item .twitter-timeline {
    margin: 0 auto;
  }
}
@media (max-width: 767px) {
  footer .footer-item + .footer-item {
    margin-top: 40px;
  }
}
footer .copy-right {
  text-align: center;
  margin-top: 60px;
  margin-bottom: 10px;
}