/* フェードイン */

.js-feedIn {
  opacity: 0;
  transform: translateY(40px);
  transition: 1s;
  transition-delay: .5s;
}

.show {
  opacity: 1;
  transform: translateY(0);
}

/* ハンバーガーメニュー */

.menu-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  display: flex;
  height: 60px;
  width: 60px;
  justify-content: center;
  align-items: center;
  z-index: 90;
  background-color: #4285f4;
}

.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
  content: '';
  display: block;
  height: 3px;
  width: 25px;
  border-radius: 3px;
  background-color: #ffffff;
  position: absolute;
  transition: .3s;
}

.menu-btn span:before {
  bottom: 8px;
}

.menu-btn span:after {
  top: 8px;
}

/* ハンバーガーメニュー 三本線 */

#menu-btn-check:checked~.menu-btn span {
  background-color: rgba(255, 255, 255, 0);
}

#menu-btn-check:checked~.menu-btn span::before {
  bottom: 0;
  transform: rotate(45deg);
}

#menu-btn-check:checked~.menu-btn span::after {
  top: 0;
  transform: rotate(-45deg);
}

#menu-btn-check {
  display: none;
}

/* ハンバーガーメニュー メニュー */

.menu-content {
  width: 100%;
  position: fixed;
  height: 100vh;
  top: calc(-100vh - 70px);
  left: 0;
  z-index: 80;
  transition: all 0.5s;
  opacity: 0;
  background-color: rgba(66, 133, 244, 0.9);
  z-index: -9999;
}

#menu-btn-check:checked~.menu-content {
  opacity: 1;
  z-index: 0;
  top: 70px;
}

/* style */

html {
  color: #fff;
}

body {
  max-width: 768px;
  margin: 0 auto;
}

header ul {
  display: block;
  padding-top: 10%;
}

#wrapper {
  background-image: url(../img/up/24188583.jpeg);
  background-attachment: fixed;
  background-size: cover;
  min-height: 75vh;
}

#index_main_wrapper {
  height: 50vw;
  max-height: 350px;
  border-top: 1px solid;
  border-bottom: 2px solid;
  margin-top: 20px;
  position: relative;
}

#index_main_wrapper::before {
  content: '';
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.main_text {
  height: 100%;
  bottom: 50%;
  left: 50%;
  transform: translate(-50%, 50%);
}

header {
  max-width: 768px;
  background-color: #4285f4;
  left: 50%;
  transform: translateX(-50%);
}

header ul li {
  color: #fff;
  border: none;
  background-color: transparent;
  border-bottom: 1px solid #fff;
  padding: 10px 20px;
  margin-bottom: 30px;
}

header ul li:last-child {
  margin-bottom: 0;
}

header ul li a {
  color: #fff;
  font-weight: bold;
}

.login-form {
  margin: 80px 0;
}

.Center form label {
  margin-bottom: 20px;
}

.Center form input {
  max-width: 360px;
  padding: 15px;
  border-radius: 5px;
}

.Center .btn-gradient-radius {
  max-width: 450px;
}

.form-container {
  margin-bottom: 30px;
}

h2 {
  margin: 40px 0;
}

font {
  color: #00ff00;
}

#main h1 {
  margin: 40px 0;
  text-align: center;
}

.content-box {
  padding: 30px 3%;
  position: relative;
  border: 1px dashed #999;
  margin: 30px 2%;
}

.content-box::after {
  content: '';
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: -10;
}

.textbox.white {
  background-color: transparent;
}