add animation

assets/css/modal-video.css

@@ -0,0 +1,109 @@
+@keyframes modal-video {
+  from {
+    opacity: 0;
+  }
+
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes modal-video-inner {
+  from {
+    transform: translate(0, 100px);
+  }
+
+  to {
+    transform: translate(0, 0);
+  }
+}
+
+.js-modal-video-close {
+  display: none;
+}
+
+.js-modal-video-open {
+  display: block;
+}
+
+.modal-video {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background-color: rgba(0, 0, 0, 0.5);
+  z-index: 1000000;
+  cursor: pointer;
+  opacity: 1;
+  animation-duration: .3s;
+  animation-name: modal-video;
+}
+
+.modal-video-body {
+  max-width: 940px;
+  width: 100%;
+  height: 100%;
+  margin: 0 auto;
+  display: table;
+}
+
+.modal-video-inner {
+  display: table-cell;
+  vertical-align: middle;
+  width: 100%;
+  height: 100%;
+}
+
+.modal-video-movie-wrap {
+  width: 100%;
+  height: 0;
+  position: relative;
+  padding-bottom: 56.25%;
+  animation-duration: .3s;
+  animation-name: modal-video-inner;
+}
+
+.modal-video-movie-wrap iframe {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+.modal-video-close-btn {
+  position: absolute;
+  z-index: 2;
+  top: -35px;
+  right: -35px;
+  display: inline-block;
+  width: 35px;
+  height: 35px;
+  overflow: hidden;
+  border: none;
+  background: transparent;
+}
+
+.modal-video-close-btn:before {
+  transform: rotate(45deg);
+}
+
+.modal-video-close-btn:after {
+  transform: rotate(-45deg);
+}
+
+.modal-video-close-btn:before,
+.modal-video-close-btn:after {
+  content: '';
+  position: absolute;
+  height: 2px;
+  width: 100%;
+  top: 50%;
+  left: 0;
+  margin-top: -1px;
+  background: #fff;
+  border-radius: 5px;
+  height: 6px;
+  margin-top: -6px;
+}

assets/scss/modal-video.scss

@@ -0,0 +1,109 @@
+@keyframes modal-video {
+  from {
+    opacity: 0;
+  }
+
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes modal-video-inner {
+  from {
+    transform: translate(0, 100px);
+  }
+
+  to {
+    transform: translate(0, 0);
+  }
+}
+
+.js-modal-video-close {
+  display: none;
+}
+
+.js-modal-video-open {
+  display: block;
+}
+
+.modal-video {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background-color: rgba(0, 0, 0, .5);
+  z-index: 1000000;
+  cursor: pointer;
+  opacity: 1;
+  animation-duration: .3s;
+  animation-name: modal-video;
+}
+
+.modal-video-body {
+  max-width: 940px;
+  width: 100%;
+  height: 100%;
+  margin: 0 auto;
+  display: table;
+}
+
+.modal-video-inner {
+  display: table-cell;
+  vertical-align: middle;
+  width: 100%;
+  height: 100%;
+}
+
+.modal-video-movie-wrap {
+  width: 100%;
+  height: 0;
+  position: relative;
+  padding-bottom: 56.25%;
+  animation-duration: .3s;
+  animation-name: modal-video-inner;
+
+  & iframe {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+  }
+}
+
+.modal-video-close-btn {
+  position: absolute;
+  z-index: 2;
+  top: -35px;
+  right: -35px;
+  display: inline-block;
+  width: 35px;
+  height: 35px;
+  overflow: hidden;
+  border: none;
+  background: transparent;
+
+  &:before {
+    transform: rotate(45deg);
+  }
+
+  &:after {
+    transform: rotate(-45deg);
+  }
+
+  &:before,
+  &:after {
+    content: '';
+    position: absolute;
+    height: 2px;
+    width: 100%;
+    top: 50%;
+    left: 0;
+    margin-top: -1px;
+    background: #fff;
+    border-radius: 5px;
+    height: 6px;
+    margin-top: -6px;
+  }
+}