* {
  margin: 0;
  border: 0;
  padding: 0;
}

html {
  overflow-y: scroll;
}

a {
  text-decoration: none;
}

:root {
  --white: #eaeff6;
  --white-50: #eaeff666;
  --deep-black: #06060d;
  --black: #0c0c13;
  --black-20: #0c0c1333;
  --black-80: #0c0c13cc;
  --blue: #6d91d2;
  --green: #92fb99;
  --green-50: #92fb9988;
  --red: #dc5666;
  --red-50: #dc566688;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.width100vw {
  width: 100vw !important;
}

.height100vh {
  height: 100vh !important;
}

.fade-in > * {
  opacity: 0;
  position: relative;
  right: 10px;
  transition: opacity 0.7s ease, right 0.5s ease;
}

.fade-in > img {
  transition: opacity 1s ease, right 0.5s ease !important;
}

.fade-in-start > * {
  right: 0;
  opacity: 1;
}

.fade-in > span:nth-child(0) {
  transition-delay: 0s;
}

.fade-in > span:nth-child(1) {
  transition-delay: 0.06s;
}

.fade-in > span:nth-child(2) {
  transition-delay: 0.12s;
}

.fade-in > span:nth-child(3) {
  transition-delay: 0.18s;
}

.fade-in > span:nth-child(4) {
  transition-delay: 0.24s;
}

.fade-in > span:nth-child(5) {
  transition-delay: 0.3s;
}

.fade-in > span:nth-child(6) {
  transition-delay: 0.36s;
}

.fade-in > span:nth-child(7) {
  transition-delay: 0.42s;
}

.fade-in > span:nth-child(8) {
  transition-delay: 0.48s;
}

.fade-in > span:nth-child(9) {
  transition-delay: 0.54s;
}

.fade-in > span:nth-child(10) {
  transition-delay: 0.6s;
}

.fade-in > span:nth-child(11) {
  transition-delay: 0.66s;
}

.fade-in > span:nth-child(12) {
  transition-delay: 0.72s;
}

.fade-in > span:nth-child(13) {
  transition-delay: 0.78s;
}

.fade-in > span:nth-child(14) {
  transition-delay: 0.84s;
}

.fade-in > span:nth-child(15) {
  transition-delay: 0.9s;
}

.fade-in > span:nth-child(16) {
  transition-delay: 0.96s;
}

.fade-in > span:nth-child(17) {
  transition-delay: 1.02s;
}

.fade-in > span:nth-child(18) {
  transition-delay: 1.08s;
}

.fade-in > span:nth-child(19) {
  transition-delay: 1.14s;
}

.fade-in > span:nth-child(20) {
  transition-delay: 1.2s;
}

.fade-in > span:nth-child(21) {
  transition-delay: 1.26s;
}

.fade-in > span:nth-child(22) {
  transition-delay: 1.32s;
}

.fade-in > span:nth-child(23) {
  transition-delay: 1.38s;
}

.fade-in > span:nth-child(24) {
  transition-delay: 1.44s;
}

.fade-in > span:nth-child(25) {
  transition-delay: 1.5s;
}

.fade-in > span:nth-child(26) {
  transition-delay: 1.56s;
}

.fade-in > span:nth-child(27) {
  transition-delay: 1.62s;
}

.fade-in > span:nth-child(28) {
  transition-delay: 1.68s;
}

.fade-in > span:nth-child(29) {
  transition-delay: 1.74s;
}

.fade-in > span:nth-child(30) {
  transition-delay: 1.8s;
}

.separator {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--white);
  background: linear-gradient(to right, transparent, var(--white) 30%, var(--white) 70%, transparent);
}

img {
  cursor: pointer;
}

.enlarge-box {
  display: flex;
  position: fixed;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  background-color: var(--black-80);
  opacity: 0;
  transition: opacity 0.2s ease;
  overflow: auto;
}

.close-button {
  cursor: pointer;
  position: absolute;
  width: 30px;
  height: 30px;
  z-index: 1001;
  top: 20px;
  right: 50px;
}
.close-button::before, .close-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 30px;
  background-color: var(--white);
}
.close-button::before {
  transform: translate(-50%, -50%) rotate(45deg);
}
.close-button::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.enlarge {
  display: block;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  position: fixed;
  width: 90vw;
  height: 80vh;
}

html {
  overflow-x: hidden;
  width: 100vw;
  background-color: var(--black);
}

.video-box {
  position: fixed;
  display: flex;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  z-index: -1;
}
.video-box #bg-video {
  height: auto;
  width: auto;
  min-width: 100%;
  min-height: 100%;
  position: fixed;
  opacity: 0.1;
}

nav {
  position: absolute;
  top: 0px;
  background-color: var(--black-80);
  width: 100vw;
  z-index: 100;
}
nav ul {
  margin-top: 20px;
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
nav ul li {
  margin: 0 20px;
}
@media screen and (max-width: 560px) {
  nav ul li {
    margin: 0 5px;
  }
}
nav ul li a {
  font-size: 30px;
  font-family: serif;
  color: var(--white);
  letter-spacing: 3px;
  padding: 0 10px;
  transition: all 0.4s ease;
}
@media screen and (max-width: 560px) {
  nav ul li a {
    font-size: 25px;
    letter-spacing: 2px;
  }
}
nav ul li a:hover {
  opacity: 0.7;
}

#welcome-screen {
  width: 100vw;
  height: 100vh;
}
#welcome-screen .container {
  width: 100vw;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}
@media screen and (max-width: 960px) {
  #welcome-screen .container {
    align-items: end;
  }
}
#welcome-screen .container .contents {
  display: contents;
}
#welcome-screen .container .contents #icon {
  position: absolute;
  background-image: url("../assets/image/nazu_white.png");
  background-position: center;
  background-size: cover;
  width: 100px;
  height: 100px;
  margin-bottom: 50px;
  border-radius: 50px;
}
#welcome-screen .container .contents #icon.animated {
  animation: open-animation 1.6s ease;
  left: 20vw;
}
@media screen and (max-width: 960px) {
  #welcome-screen .container .contents #icon.animated {
    animation: none;
    left: 70px;
  }
}
@media screen and (max-width: 560px) {
  #welcome-screen .container .contents #icon.animated {
    left: 0;
    border-radius: 0 0 10px 0;
    height: 70px;
    width: 70px;
  }
}
@keyframes open-animation {
  0% {
    left: 50vw;
    transform: rotateZ(300deg);
  }
  100% {
    transform: rotateZ(0deg);
  }
}
#welcome-screen .container .contents .introduce {
  color: var(--white);
  font-size: 4em;
  letter-spacing: 10px;
  font-family: serif;
  opacity: 0;
  width: 100vw;
  text-align: right;
  padding-right: 200px;
  padding-top: 50px;
  transition: opacity 1s ease;
  background-color: var(--black-20);
}
@media screen and (max-width: 960px) {
  #welcome-screen .container .contents .introduce {
    padding-right: 10px;
    font-size: 3em;
    overflow-wrap: break-word;
    width: -moz-min-content;
    width: min-content;
    padding-left: 100%;
  }
}
@media screen and (max-width: 560px) {
  #welcome-screen .container .contents .introduce {
    font-size: 2.6em;
  }
}
#welcome-screen .container .contents .introduce.animated {
  opacity: 1;
}
#welcome-screen .container .icons {
  display: flex;
  background-color: var(--black-20);
  list-style: none;
  height: 100px;
  width: 100vw;
  top: 100px;
}
#welcome-screen .container .icons li {
  margin-left: 20px;
  margin-right: 20px;
}
#welcome-screen .container .icons a {
  display: block;
  background-position: center;
  background-size: cover;
  width: 20px;
  height: 20px;
  opacity: 1;
  transition: opacity 0.4s ease;
}
#welcome-screen .container .icons a:hover {
  opacity: 0.7;
}
#welcome-screen .container .icons .github {
  background-image: url(../assets/image/GitHub-Mark-Light-32px.png);
}
#welcome-screen .container .icons .x {
  background-image: url(../assets/image/x_logo_white.png);
}
#welcome-screen .bg-video-switch {
  position: absolute;
  right: 0;
  bottom: 0;
  margin: 10px;
  width: 100px;
  height: 30px;
  z-index: 100;
}
#welcome-screen .bg-video-switch p {
  position: absolute;
  color: var(--white-50);
  text-align: center;
  font-size: 13px;
  margin-left: 4px;
  top: -20px;
}
#welcome-screen .bg-video-switch > * {
  transition: all 0.3s ease;
}
#welcome-screen .bg-video-switch label[for=bg-video-sw] {
  display: flex;
  width: 100%;
  height: 100%;
  border-radius: 15px;
  background-color: transparent;
  border: 1px solid var(--green);
  cursor: pointer;
  z-index: 100;
  align-items: center;
}
#welcome-screen .bg-video-switch label[for=bg-video-sw]::after {
  content: "ON";
  text-align: center;
  color: var(--green);
  width: 100px;
  height: -moz-max-content;
  height: max-content;
  display: block;
}
#welcome-screen .bg-video-switch .circle {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 24px;
  height: 24px;
  border-radius: 12px;
  z-index: -1;
  background-color: var(--green);
}
#welcome-screen .bg-video-switch #bg-video-sw {
  width: 100%;
  height: 100%;
  display: none;
  cursor: pointer;
  z-index: 200;
}
#welcome-screen .bg-video-switch #bg-video-sw:checked + label[for=bg-video-sw] {
  border: 1px solid var(--red);
}
#welcome-screen .bg-video-switch #bg-video-sw:checked + label[for=bg-video-sw]::after {
  content: "OFF";
  color: var(--red);
}
#welcome-screen .bg-video-switch #bg-video-sw:checked ~ .circle {
  transform: translateX(69px);
  background-color: var(--red);
}

h2.section-title {
  margin-top: 100px;
  margin-left: 100px;
  letter-spacing: 4px;
  color: var(--white);
  font-style: italic;
  font-family: serif;
  font-size: 70px;
}
@media screen and (max-width: 960px) {
  h2.section-title {
    margin-left: 30px;
    font-size: 3em;
  }
}
h2.section-title::before {
  content: "";
  display: inline-block;
  width: 100px;
  height: 1px;
  border-bottom: solid 1px var(--blue);
  margin-right: 10px;
  position: relative;
  bottom: 25px;
}
@media screen and (max-width: 960px) {
  h2.section-title::before {
    width: 20px;
  }
}

#program {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: calc(100% - 100px);
  background-color: var(--black-80);
}
#program::before, #program::after {
  content: "";
  position: relative;
  top: -100px;
  display: block;
  width: 100vw;
  height: 100px;
  background-color: var(--black-80);
  background: linear-gradient(transparent, var(--black-80));
}
#program::after {
  top: 100px !important;
  background: linear-gradient(var(--black-80), transparent);
}
#program .center-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}
#program .separator {
  width: 70vw;
}
#program .container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  margin: 70px 0;
  width: 100vw;
  height: 500px;
}
@media screen and (max-width: 960px) {
  #program .container {
    flex-direction: column-reverse !important;
  }
}
#program .container::after {
  content: "";
  position: absolute;
  margin-top: 600px;
  display: block;
  width: 70vw;
  height: 1px;
  background-color: var(--white);
  background: linear-gradient(to right, transparent, var(--white) 5%, var(--white) 95%, transparent);
}
@media screen and (max-width: 960px) {
  #program .container::after {
    width: 85vw;
  }
}
#program .container:last-child::after {
  content: none !important;
}
#program .container:nth-child(odd) {
  flex-direction: row-reverse;
}
#program .container:nth-child(odd) .description {
  margin-left: 150px;
}
#program .container .description {
  height: 100%;
  width: -moz-max-content;
  width: max-content;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-direction: column;
}
@media screen and (max-width: 960px) {
  #program .container .description {
    align-items: center;
    margin: 0 !important;
  }
}
#program .container .description .program-name {
  color: var(--white);
  font-family: serif;
  font-weight: 800;
  font-size: 30px;
  letter-spacing: 4px;
}
@media screen and (max-width: 960px) {
  #program .container .description .program-name {
    font-size: 2.2em;
    text-align: center;
  }
}
#program .container .description .program-name::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 1px;
  border-bottom: solid 1px var(--green);
  margin-right: 10px;
  position: relative;
  bottom: 15px;
}
#program .container .description .use-languages {
  margin-top: 15px;
  margin-left: 100px;
  list-style: none;
  width: 100%;
}
@media screen and (max-width: 960px) {
  #program .container .description .use-languages {
    margin: 0 !important;
  }
}
#program .container .description .use-languages li {
  margin-top: 10px;
}
#program .container .description .use-languages li p.language {
  color: var(--white);
  font-size: 20px;
  font-family: serif;
  letter-spacing: 2px;
}
@media screen and (max-width: 960px) {
  #program .container .description .use-languages li p.language {
    font-size: 1.2em !important;
    text-align: left !important;
  }
}
#program .container .description .use-languages li p.language::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 1px;
  border-bottom: solid 1px var(--blue);
  margin-right: 10px;
  position: relative;
  bottom: 7px;
}
#program .container .description .link-button {
  margin-top: 80px;
  position: relative;
  margin-left: 100px;
  bottom: 10px;
  background-color: var(--red);
  color: var(--white);
  padding: 10px 20px;
  right: 0;
  border-radius: 20px;
  letter-spacing: 1px;
  font-size: 14px;
  border: solid 1px var(--red);
  transition: all 0.5s ease;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
@media screen and (max-width: 960px) {
  #program .container .description .link-button {
    margin: 0;
    margin-top: 40px !important;
    right: 10px;
  }
}
#program .container .description .link-button:hover {
  color: var(--red);
  background-color: transparent;
  border-radius: 0px;
}
#program .container .img-box {
  margin-left: 30px;
  overflow: visible;
  width: 410px;
}
@media screen and (max-width: 960px) {
  #program .container .img-box {
    margin: 0;
  }
}
@media screen and (max-width: 560px) {
  #program .container .img-box {
    width: 90vw;
  }
}
#program .container img {
  -o-object-fit: contain;
     object-fit: contain;
  max-width: 100%;
  border-radius: 10px;
}

#design {
  padding: 100px 0;
}
#design .video-container {
  width: 100vw;
  height: -moz-max-content;
  height: max-content;
  margin-top: 50px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
#design .video-container .box {
  margin: 50px;
}
#design .image-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: -moz-max-content;
  height: max-content;
  margin-top: 100px;
}
#design .image-container .box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-bottom: 70px;
}
#design .image-container .box .image-box {
  display: flex;
  flex-direction: row;
  justify-content: center;
  margin-bottom: 10px;
  width: 60%;
}
#design .image-container .box .image-box img {
  margin: 0 10px;
}
#design .image-container .box .image-box img:first-child {
  width: 70%;
}
#design .image-container .box img {
  height: 50%;
  max-height: 500px;
  width: 70%;
  margin-bottom: 10px;
}
@media screen and (max-width: 560px) {
  #design .image-container .box img:first-child {
    width: 90vw;
  }
}
@media screen and (max-width: 960px) {
  #design iframe {
    max-width: 90vw;
  }
}
#design p, #design a {
  font-family: serif;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--white);
  text-align: center;
  margin-top: 3px;
}
#design p.title, #design a.title {
  font-size: 17px;
  margin: 0 !important;
}
#design a {
  margin-top: 10px;
  display: block;
  text-decoration: underline;
  transition: all 0.4s ease;
  color: var(--white);
}
#design a:hover {
  opacity: 0.7;
  color: var(--blue);
}
#design a::before, #design a::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 1px;
  border-bottom: solid 1px var(--blue);
  margin-right: 10px;
  position: relative;
  bottom: 3px;
}
#design a::after {
  margin-right: 0 !important;
  margin-left: 10px;
}

footer {
  height: 100px;
  width: 100vw;
  background-color: var(--deep-black);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
footer p {
  color: var(--white);
  letter-spacing: 3px;
}/*# sourceMappingURL=style.css.map */