CSS部分代码L:
@font-face {
font-weight: normal;
font-style: normal;
font-family: ‘codropsicons’;
src:url(’…/fonts/codropsicons/codropsicons.eot’);
src:url(’…/fonts/codropsicons/codropsicons.eot?#iefix’) format(‘embedded-opentype’),
url(’…/fonts/codropsicons/codropsicons.woff’) format(‘woff’),
url(’…/fonts/codropsicons/codropsicons.ttf’) format(‘truetype’),
url(’…/fonts/codropsicons/codropsicons.svg#codropsicons’) format(‘svg’);
}

*, *:after, *:before { -webkit-box-sizing: border-box; box-sizing: border-box; }
.clearfix:before, .clearfix:after { content: ‘’; display: table; }
.clearfix:after { clear: both; }

.input-container {
margin: 0 auto;
text-align: center;
overflow: hidden;
background-color: aliceblue;
}

.input {
position: relative;
z-index: 1;
display: inline-block;
margin: 1em;
max-width: 350px;
width: calc(100% - 2em);
vertical-align: top;
}

.input__field {
position: relative;
display: block;
float: right;
padding: 0.8em;
width: 60%;
border: none;
border-radius: 0;
background: #f0f0f0;
color: #aaa;
font-weight: bold;
font-family: “Helvetica Neue”, Helvetica, Arial, sans-serif;
-webkit-appearance: none; /* for box shadows to show on iOS */
}

.input__field:focus {
outline: none;
}

.input__label {
display: inline-block;
float: right;
padding: 0 1em;
width: 40%;
color: #6a7989;
font-weight: bold;
font-size: 70.25%;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}

.input__label-content {
position: relative;
display: block;
padding: 1.6em 0;
width: 100%;
}

.graphic {
position: absolute;
top: 0;
left: 0;
fill: none;
}

.icon {
color: #ddd;
font-size: 150%;
}

/* Individual styles */

/* Haruki */

.input–haruki {
margin: 4em 1em 1em;
}

.input__field–haruki {
padding: 0.4em 0.25em;
width: 100%;
background: transparent;
color: #AFB5BB;
font-size: 1.55em;
}

.input__label–haruki {
position: absolute;
width: 100%;
text-align: left;
pointer-events: none;
}

.input__label-content–haruki {
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–haruki::before,
.input__label–haruki::after {
content: ‘’;
position: absolute;
left: 0;
z-index: -1;
width: 100%;
height: 4px;
background: #6a7989;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–haruki::before {
top: 0;
}

.input__label–haruki::after {
bottom: 0;
}

.input__field–haruki:focus + .input__label–haruki .input__label-content–haruki,
.input–filled .input__label-content–haruki {
-webkit-transform: translate3d(0, -90%, 0);
transform: translate3d(0, -90%, 0);
}

.input__field–haruki:focus + .input__label–haruki::before,
.input–filled .input__label–haruki::before {
-webkit-transform: translate3d(0, -0.5em, 0);
transform: translate3d(0, -0.5em, 0);
}

.input__field–haruki:focus + .input__label–haruki::after,
.input–filled .input__label–haruki::after {
-webkit-transform: translate3d(0, 0.5em, 0);
transform: translate3d(0, 0.5em, 0);
}

/* Hoshi */
.input–hoshi {
overflow: hidden;
}

.input__field–hoshi {
margin-top: 1em;
padding: 0.85em 0.15em;
width: 100%;
background: transparent;
color: #595F6E;
}

.input__label–hoshi {
position: absolute;
bottom: 0;
left: 0;
padding: 0 0.25em;
width: 100%;
height: calc(100% - 1em);
text-align: left;
pointer-events: none;
}

.input__label-content–hoshi {
position: absolute;
}

.input__label–hoshi::before,
.input__label–hoshi::after {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: calc(100% - 10px);
border-bottom: 1px solid #B9C1CA;
}

.input__label–hoshi::after {
margin-top: 2px;
border-bottom: 4px solid red;
-webkit-transform: translate3d(-100%, 0, 0);
transform: translate3d(-100%, 0, 0);
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–hoshi-color-1::after {
border-color: hsl(200, 100%, 50%);
}

.input__label–hoshi-color-2::after {
border-color: hsl(160, 100%, 50%);
}

.input__label–hoshi-color-3::after {
border-color: hsl(20, 100%, 50%);
}

.input__field–hoshi:focus + .input__label–hoshi::after,
.input–filled .input__label–hoshi::after {
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}

.input__field–hoshi:focus + .input__label–hoshi .input__label-content–hoshi,
.input–filled .input__label-content–hoshi {
-webkit-animation: anim-1 0.3s forwards;
animation: anim-1 0.3s forwards;
}

@-webkit-keyframes anim-1 {
50% {
opacity: 0;
-webkit-transform: translate3d(1em, 0, 0);
transform: translate3d(1em, 0, 0);
}
51% {
opacity: 0;
-webkit-transform: translate3d(-1em, -40%, 0);
transform: translate3d(-1em, -40%, 0);
}
100% {
opacity: 1;
-webkit-transform: translate3d(0, -40%, 0);
transform: translate3d(0, -40%, 0);
}
}

@keyframes anim-1 {
50% {
opacity: 0;
-webkit-transform: translate3d(1em, 0, 0);
transform: translate3d(1em, 0, 0);
}
51% {
opacity: 0;
-webkit-transform: translate3d(-1em, -40%, 0);
transform: translate3d(-1em, -40%, 0);
}
100% {
opacity: 1;
-webkit-transform: translate3d(0, -40%, 0);
transform: translate3d(0, -40%, 0);
}
}

/* Kuro */
.input–kuro {
max-width: 320px;
margin-bottom: 3em;
}

.input__field–kuro {
width: 100%;
background: transparent;
color: #9196A1;
opacity: 0;
text-align: center;
-webkit-transition: opacity 0.3s;
transition: opacity 0.3s;
}

.input__label–kuro {
position: absolute;
left: 0;
width: 100%;
color: #df6589;
pointer-events: none;
}

.input__label–kuro::before,
.input__label–kuro::after {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 50%;
height: 100%;
border: 4px solid #747981;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–kuro::before {
border-right: none;
}

.input__label–kuro::after {
left: 50%;
border-left: none;
}

.input__field–kuro:focus,
.input–filled .input__field–kuro {
opacity: 1;
-webkit-transition-delay: 0.3s;
transition-delay: 0.3s;
}

.input__field–kuro:focus + .input__label–kuro::before,
.input–filled .input__label–kuro::before {
-webkit-transform: translate3d(-10%, 0, 0);
transform: translate3d(-10%, 0, 0);
}

.input__field–kuro:focus + .input__label–kuro::after,
.input–filled .input__label–kuro::after {
-webkit-transform: translate3d(10%, 0, 0);
transform: translate3d(10%, 0, 0);
}

.input__field–kuro:focus + .input__label–kuro .input__label-content–kuro,
.input–filled .input__label-content–kuro {
-webkit-animation: anim-2 0.3s forwards;
animation: anim-2 0.3s forwards;
}

@-webkit-keyframes anim-2 {
50% {
opacity: 0;
-webkit-transform: scale3d(0.3, 0.3, 1);
transform: scale3d(0.3, 0.3, 1);
}
51% {
opacity: 0;
-webkit-transform: translate3d(0, 3.7em, 0) scale3d(0.3, 0.3, 1);
transform: translate3d(0, 3.7em, 0) scale3d(0.3, 0.3, 1);
}
100% {
opacity: 1;
-webkit-transform: translate3d(0, 3.7em, 0);
transform: translate3d(0, 3.7em, 0);
}
}

@keyframes anim-2 {
50% {
opacity: 0;
-webkit-transform: scale3d(0.3, 0.3, 1);
transform: scale3d(0.3, 0.3, 1);
}
51% {
opacity: 0;
-webkit-transform: translate3d(0, 3.7em, 0) scale3d(0.3, 0.3, 1);
transform: translate3d(0, 3.7em, 0) scale3d(0.3, 0.3, 1);
}
100% {
opacity: 1;
-webkit-transform: translate3d(0, 3.7em, 0);
transform: translate3d(0, 3.7em, 0);
}
}

/* Jiro */
.input–jiro {
margin-top: 2em;
}

.input__field–jiro {
padding: 0.85em 0.5em;
width: 100%;
background: transparent;
color: #DDE2E2;
opacity: 0;
-webkit-transition: opacity 0.3s;
transition: opacity 0.3s;
}

.input__label–jiro {
position: absolute;
left: 0;
padding: 0 0.85em;
width: 100%;
height: 100%;
text-align: left;
pointer-events: none;
}

.input__label-content–jiro {
-webkit-transition: -webkit-transform 0.3s 0.3s;
transition: transform 0.3s 0.3s;
}

.input__label–jiro::before,
.input__label–jiro::after {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–jiro::before {
border-top: 2px solid #6a7989;
-webkit-transform: translate3d(0, 100%, 0) translate3d(0, -2px, 0);
transform: translate3d(0, 100%, 0) translate3d(0, -2px, 0);
-webkit-transition-delay: 0.3s;
transition-delay: 0.3s;
}

.input__label–jiro::after {
z-index: -1;
background: #6a7989;
-webkit-transform: scale3d(1, 0, 1);
transform: scale3d(1, 0, 1);
-webkit-transform-origin: 50% 0%;
transform-origin: 50% 0%;
}

.input__field–jiro:focus,
.input–filled .input__field–jiro {
opacity: 1;
-webkit-transition-delay: 0.3s;
transition-delay: 0.3s;
}

.input__field–jiro:focus + .input__label–jiro .input__label-content–jiro,
.input–filled .input__label-content–jiro {
-webkit-transform: translate3d(0, -80%, 0);
transform: translate3d(0, -80%, 0);
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}

.input__field–jiro:focus + .input__label–jiro::before,
.input–filled .input__label–jiro::before {
-webkit-transition-delay: 0s;
transition-delay: 0s;
}

.input__field–jiro:focus + .input__label–jiro::before,
.input–filled .input__label–jiro::before {
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}

.input__field–jiro:focus + .input__label–jiro::after,
.input–filled .input__label–jiro::after {
-webkit-transform: scale3d(1, 1, 1);
transform: scale3d(1, 1, 1);
-webkit-transition-delay: 0.3s;
transition-delay: 0.3s;
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}

/* Minoru */
.input__field–minoru {
width: 100%;
background: #fff;
box-shadow: 0px 0px 0px 2px transparent;
color: #eca29b;
-webkit-transition: box-shadow 0.3s;
transition: box-shadow 0.3s;
}

.input__label–minoru {
padding: 0;
width: 100%;
text-align: left;
}

.input__label–minoru::after {
content: ‘’;
position: absolute;
top: 0;
z-index: -1;
width: 100%;
height: 4em;
box-shadow: 0px 0px 0px 0px;
color: rgba(199,152,157, 0.6);
}

.input__field–minoru:focus {
box-shadow: 0px 0px 0px 2px #eca29b;
}

.input__field–minoru:focus + .input__label–minoru {
pointer-events: none;
}

.input__field–minoru:focus + .input__label–minoru::after {
-webkit-animation: anim-shadow 0.3s forwards;
animation: anim-shadow 0.3s forwards;
}

@-webkit-keyframes anim-shadow {
to {
box-shadow: 0px 0px 100px 50px;
opacity: 0;
}
}

@keyframes anim-shadow {
to {
box-shadow: 0px 0px 100px 50px;
opacity: 0;
}
}

.input__label-content–minoru {
padding: 0.75em 0.15em;
}

/* Yoko */
.input__field–yoko {
z-index: 10;
width: 100%;
background: transparent;
color: #f5f5f5;
opacity: 0;
-webkit-transition: opacity 0.3s;
transition: opacity 0.3s;
}

.input__label–yoko {
position: relative;
width: 100%;
color: #b04b40;
text-align: left;
}

.input__label–yoko::before {
content: ‘’;
position: absolute;
bottom: 100%;
left: 0;
width: 100%;
height: 4em;
background: #c5564a;
-webkit-transform: perspective(1000px) rotate3d(1, 0, 0, 90deg);
transform: perspective(1000px) rotate3d(1, 0, 0, 90deg);
-webkit-transform-origin: 50% 100%;
transform-origin: 50% 100%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–yoko::after {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 0.25em;
background: #ad473c;
-webkit-transform-origin: 50% 0%;
transform-origin: 50% 0%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label-content–yoko {
padding: 0.75em 0;
}

.input__field–yoko:focus,
.input–filled .input__field–yoko {
opacity: 1;
-webkit-transition-delay: 0.3s;
transition-delay: 0.3s;
}

.input__field–yoko:focus + .input__label–yoko::before,
.input–filled .input__label–yoko::before {
-webkit-transform: perspective(1000px) rotate3d(1, 0, 0, 0deg);
transform: perspective(1000px) rotate3d(1, 0, 0, 0deg);
}

.input__field–yoko:focus + .input__label–yoko,
.input–filled .input__label–yoko {
pointer-events: none;
}

.input__field–yoko:focus + .input__label–yoko::after,
.input–filled .input__label–yoko::after {
-webkit-transform: perspective(1000px) rotate3d(1, 0, 0, -90deg);
transform: perspective(1000px) rotate3d(1, 0, 0, -90deg);
}

/* Kyo */
.input–kyo {
z-index: auto;
}

.input__field–kyo {
padding: 0.85em 1.5em;
width: 100%;
border-radius: 2em;
background: #fff;
color: #535d92;
}

.input__label–kyo {
z-index: 0;
padding: 0 0 0 2em;
width: 100%;
text-align: left;
}

.input__label–kyo::after {
content: ‘’;
position: fixed;
top: 0;
left: 0;
z-index: 1000;
width: 100%;
height: 100%;
background: rgba(11, 43, 205, 0.6);
opacity: 0;
-webkit-transition: opacity 0.3s;
transition: opacity 0.3s;
pointer-events: none;
}

.input__label-content–kyo {
padding: 0.5em 0;
}

.input__field–kyo:focus,
.input__field–kyo:focus + .input__label–kyo .input__label-content–kyo {
z-index: 10000;
}

.input__field–kyo:focus + .input__label–kyo {
color: #fff;
}

.input__field–kyo:focus + .input__label–kyo::after {
opacity: 1;
}

/* Akira */
.input–akira {
margin-top: 2em;
}

.input__field–akira {
position: absolute;
top: 0;
left: 0;
z-index: 10;
display: block;
padding: 0 1em;
width: 100%;
height: 100%;
background: transparent;
text-align: center;
}

.input__label–akira {
padding: 0;
width: 100%;
background: #696a6e;
color: #cc6055;
cursor: text;
}

.input__label–akira::before {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #2f3238;
-webkit-transform: scale3d(0.97, 0.85, 1);
transform: scale3d(0.97, 0.85, 1);
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label-content–akira {
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__field–akira:focus + .input__label–akira::before,
.input–filled .input__label–akira::before {
-webkit-transform: scale3d(0.99, 0.95, 1);
transform: scale3d(0.99, 0.95, 1);
}

.input__field–akira:focus + .input__label–akira,
.input–filled .input__label–akira {
cursor: default;
pointer-events: none;
}

.input__field–akira:focus + .input__label–akira .input__label-content–akira,
.input–filled .input__label-content–akira {
-webkit-transform: translate3d(0, -3.5em, 0);
transform: translate3d(0, -3.5em, 0);
}

/* Ichiro */
.input–ichiro {
margin-top: 2em;
}

.input__field–ichiro {
position: absolute;
top: 4px;
left: 4px;
z-index: 100;
display: block;
padding: 0 0.55em;
width: calc(100% - 8px);
height: calc(100% - 8px);
background: #f0f0f0;
color: #7F8994;
opacity: 0;
-webkit-transform: scale3d(1, 0, 1);
transform: scale3d(1, 0, 1);
-webkit-transform-origin: 50% 100%;
transform-origin: 50% 100%;
-webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
transition: opacity 0.3s, transform 0.3s;
}

.input__label–ichiro {
width: 100%;
text-align: left;
cursor: text;
}

.input__label–ichiro::before {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: #fff;
-webkit-transform-origin: 50% 100%;
transform-origin: 50% 100%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label-content–ichiro {
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__field–ichiro:focus,
.input–filled .input__field–ichiro {
opacity: 1;
-webkit-transform: scale3d(1, 1, 1);
transform: scale3d(1, 1, 1);
}

.input__field–ichiro:focus + .input__label–ichiro,
.input–filled .input__label–ichiro {
cursor: default;
pointer-events: none;
}

.input__field–ichiro:focus + .input__label–ichiro::before,
.input–filled .input__label–ichiro::before {
-webkit-transform: scale3d(1, 1.5, 1);
transform: scale3d(1, 1.5, 1);
}

.input__field–ichiro:focus + .input__label–ichiro .input__label-content–ichiro,
.input–filled .input__label-content–ichiro {
-webkit-transform: translate3d(0, -3.15em, 0) scale3d(0.8, 0.8, 1);
transform: translate3d(0, -3.15em, 0) scale3d(0.8, 0.8, 1) translateZ(1px);
}

/* Juro */
.input–juro {
overflow: hidden;
}

.input__field–juro {
position: absolute;
z-index: 100;
padding: 2.15em 0.75em 0;
width: 100%;
background: transparent;
color: #1784cd;
font-size: 0.85em;
}

.input__label–juro {
padding: 0;
width: 100%;
height: 100%;
background: #fff;
text-align: left;
}

.input__label-content–juro {
padding: 2em 1em;
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
-webkit-transition: -webkit-transform 0.3s, color 0.3s;
transition: transform 0.3s, color 0.3s;

text-rendering: geometricPrecision;

}

.input__label–juro::before {
content: ‘’;
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
border: 0px solid transparent;
-webkit-transition: border-width 0.3s, border-color 0.3s;
transition: border-width 0.3s, border-color 0.3s;
}

.input__field–juro:focus + .input__label–juro::before,
.input–filled .input__label–juro::before {
border-width: 8px;
border-color: #1784cd;
border-top-width: 2em;
}

.input__field–juro:focus + .input__label–juro .input__label-content–juro,
.input–filled .input__label–juro .input__label-content–juro {
color: #fff;
-webkit-transform: translate3d(0, -1.5em, 0) scale3d(0.75, 0.75, 1);
transform: translate3d(0, -1.5em, 0) scale3d(0.75, 0.75, 1) translateZ(1px);
}

/* Hideo */
.input–hideo {
overflow: hidden;
background: #fff;
}

.input__field–hideo {
padding: 0.85em 0.85em 0.85em 3em;
width: 100%;
background: transparent;
-webkit-transform: translate3d(1em, 0, 0);
transform: translate3d(1em, 0, 0);
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label–hideo {
position: absolute;
padding: 1.25em 0 0;
width: 4em;
height: 100%;
}

.input__label–hideo::before {
content: ‘’;
position: absolute;
top: 0;
left: 0;
z-index: -1;
width: 4em;
height: 100%;
background: #899dda;
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.icon–hideo {
color: #fff;
-webkit-transform: scale3d(1, 1, 1); /* Needed for Chrome bug */
transform: scale3d(1, 1, 1);
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.input__label-content–hideo {
position: absolute;
top: 100%;
}

.input__field–hideo:focus {
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}

.input__field–hideo:focus + .input__label–hideo::before {
-webkit-transform: scale3d(0.8, 1, 1);
transform: scale3d(0.8, 1, 1);
}

.input__field–hideo:focus + .input__label–hideo .icon–hideo {
-webkit-transform: scale3d(0.6, 0.6, 1);
transform: scale3d(0.6, 0.6, 1);
}

/* Madoka */
.input–madoka {
margin: 1.1em;
}

.input__field–madoka {
width: 100%;
background: transparent;
color: #7A7593;
}

.input__label–madoka {
position: absolute;
width: 100%;
height: 100%;
color: #7A7593;
text-align: left;
cursor: text;
}

.input__label-content–madoka {
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
-webkit-transition: -webkit-transform 0.3s;
transition: transform 0.3s;
}

.graphic–madoka {
-webkit-transform: scale3d(1, -1, 1);
transform: scale3d(1, -1, 1);
-webkit-transition: stroke-dashoffset 0.3s;
transition: stroke-dashoffset 0.3s;
pointer-events: none;

stroke: #7A7593;
stroke-width: 4px;
stroke-dasharray: 962;
stroke-dashoffset: 558;

}

.input__field–madoka:focus + .input__label–madoka,
.input–filled .input__label–madoka {
cursor: default;
pointer-events: none;
}

.input__field–madoka:focus + .input__label–madoka .graphic–madoka,
.input–filled .graphic–madoka {
stroke-dashoffset: 0;
}

.input__field–madoka:focus + .input__label–madoka .input__label-content–madoka,
.input–filled .input__label-content–madoka {
-webkit-transform: scale3d(0.81, 0.81, 1) translate3d(0, 4em, 0);
transform: scale3d(0.81, 0.81, 1) translate3d(0, 4em, 0);
}

/* Kaede */
.input–kaede {
display: block;
overflow: hidden;
margin: 1em auto 2em;
background: #EFEEEE;
}

.input__field–kaede {
position: absolute;
top: 0;
right: 100%;
width: 60%;
height: 100%;
background: #fff;
color: #9DABBA;
-webkit-transition: -webkit-transform 0.5s;
transition: transform 0.5s;
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}

.input__label–kaede {
z-index: 10;
display: block;
width: 100%;
height: 100%;
text-align: left;
cursor: text;
-webkit-transform-origin: 0% 50%;
transform-origin: 0% 50%;
-webkit-transition: -webkit-transform 0.5s;
transition: transform 0.5s;
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}

.input__label-content–kaede {
padding: 1.5em 0;
}

.input__field–kaede:focus,
.input–filled .input__field–kaede {
-webkit-transform: translate3d(100%, 0, 0);
transform: translate3d(100%, 0, 0);
-webkit-transition-delay: 0.06s;
transition-delay: 0.06s;
}

.input__field–kaede:focus + .input__label–kaede,
.input–filled .input__label–kaede {
-webkit-transform: translate3d(60%, 0, 0);
transform: translate3d(60%, 0, 0);
pointer-events: none;
}

@media screen and (max-width: 34em) {
.input__field–kaede:focus + .input__label–kaede,
.input–filled .input__label–kaede {
-webkit-transform: translate3d(65%, 0, 0) scale3d(0.65, 0.65, 1);
transform: translate3d(65%, 0, 0) scale3d(0.65, 0.65, 1);
pointer-events: none;
}
}

/* Isao */
.input__field–isao {
z-index: 10;
padding: 0.75em 0.1em 0.25em;
width: 100%;
background: transparent;
color: #afb3b8;
}

.input__label–isao {
position: relative;
overflow: hidden;
padding: 0;
width: 100%;
color: #dadada;
text-align: left;
}

.input__label–isao::before {
content: ‘’;
position: absolute;
top: 0;
width: 100%;
height: 7px;
background: #dadada;
-webkit-transform: scale3d(1, 0.4, 1);
transform: scale3d(1, 0.4, 1);
-webkit-transform-origin: 50% 100%;
transform-origin: 50% 100%;
-webkit-transition: -webkit-transform 0.3s, background-color 0.3s;
transition: transform 0.3s, background-color 0.3s;
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}

.input__label–isao::after {
content: attr(data-content);
position: absolute;
top: 0;
left: 0;
padding: 0.75em 0.15em;
color: #da7071;
opacity: 0;
-webkit-transform: translate3d(0, 50%, 0);
transform: translate3d(0, 50%, 0);
-webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
transition: opacity 0.3s, transform 0.3s;
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
pointer-events: none;
}

.input__field–isao:focus + .input__label–isao::before {
background-color: #da7071;
-webkit-transform: scale3d(1, 1, 1);
transform: scale3d(1, 1, 1);
}

.input__field–isao:focus + .input__label–isao {
pointer-events: none;
}

.input__field–isao:focus + .input__label–isao::after {
opacity: 1;
-webkit-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
}

.input__label-content–isao {
padding: 0.75em 0.15em;
-webkit-transition: opacity 0.3s, -webkit-transform 0.3s;
transition: opacity 0.3s, transform 0.3s;
-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}

.input__field–isao:focus + .input__label–isao .input__label-content–isao {
opacity: 0;
-webkit-transform: translate3d(0, -50%, 0);
transform: translate3d(0, -50%, 0);
}**
效果图如下：

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