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HTML 

              
                <body>
    <div class="animation01">
        <div class="rhombus_small">
            <div class="rhombus">
                <div class="border_box">
                    <span class="line line01"></span>
                    <span class="line line02"></span>
                    <span class="line line03"></span>
                    <span class="line line04"></span>
                    <span class="circle circle01"></span>
                    <span class="circle circle02"></span>
                    <span class="circle circle03"></span>
                    <span class="circle circle04"></span>
                    <span class="animation_line animation_line01"></span>
                    <span class="animation_line_wrapper animation_line02_wrapper"><span class="animation_line animation_line02"></span></span>
                    <span class="animation_line animation_line03"></span>
                    <span class="animation_line_wrapper animation_line04_wrapper"><span class="animation_line animation_line04"></span></span>
                    <span class="animation_line animation_line05"></span>
                    <span class="animation_line_wrapper animation_line06_wrapper"><span class="animation_line animation_line06"></span></span>
                    <span class="animation_line animation_line07"></span>
                    <span class="animation_line_wrapper animation_line08_wrapper"><span class="animation_line animation_line08"></span></span>
                </div>
                <div class="wave">
                    <div class="wave_wrapper"><div class="wave_box"></div></div>
                </div>
            </div>
        </div>
    </div>
    <div class="animation02">
        <div class="rhombus_box">
            <span class="rhombus_item_wrapper rhombus_item01_wrapper"><span class="rhombus_item"></span></span>
            <span class="rhombus_item_wrapper rhombus_item02_wrapper"><span class="rhombus_item"></span></span>
        </div>
        <div class="double_content">
            <div class="double_wrapper02 dotted02"><div class="dotted_hide"><div class="double_wrapper01 dotted01"><span class="dotted_right"></span></div></div></div>
            <div class="double_wrapper02 white02"><div class="double_wrapper01 white01"></div></div>
            <div class="double_wrapper02 gray02"><div class="double_wrapper01 gray01"></div></div>
            <div class="double_wrapper02 orange02"><div class="double_wrapper01 orange01"></div></div>
        </div>
        <div class="name">
            <p>KURI-CHAN</p>
            <span class="name_circle01"></span>
            <span class="name_circle02"></span>
        </div>
    </div>
</body>
!

CSS 

              
                /*=================
Basic style
==================*/
html, body{
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #212022;
}
body{
    margin: 0;
}
img{
    vertical-align:bottom;
    max-width:100%;
    width: 100%;
}
h1,h2,p{
    margin: 0;
}
/*===================
animation01
====================*/
.animation01{
    position: absolute;
    width: 100%;
    height: 100%;
}
.border_box{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 15vw;
    height: 15vw;
}
.line{
    display: block;
    position: absolute;
    right: 0;
    bottom: 0;
    background-color: #845b46;
    opacity: 0;
}
.line01{
    top: 0;
    left: 100%;
    width: 0.15vw;
    height: 15.15vw;
    transform-origin: bottom;
    animation: animation01_line01 0.2s linear 0.3s forwards;
}
.line03{
    top: 0;
    left: 0;
    width: 0.15vw;
    height: 15.15vw;
    transform-origin: bottom;
    animation: animation01_line01 0.2s linear 0.6s forwards;
}
@keyframes animation01_line01{
    0%{
        transform: scale3d(1,0,1);
        opacity: 1;
    }
    100%{
        transform: scale3d(1,1,1);
        opacity: 1;
    }
}
.line02{
    top: 100%;
    left: 0;
    width: 15.15vw;
    height: 0.15vw;
    transform-origin: right;
    animation: animation01_line02 0.2s linear 0.4s forwards;
}
.line04{
    top: 0;
    left: 0;
    width: 15.15vw;
    height: 0.15vw;
    transform-origin: left;
    animation: animation01_line02 0.2s linear 0.8s forwards;
}
@keyframes animation01_line02{
    0%{
        transform: scale3d(0,1,1);
        opacity: 1;
    }
    100%{
        transform: scale3d(1,1,1);
        opacity: 1;
    }
}
.circle{
    display: block;
    position: absolute;
    right: 0;
    bottom: 0;
    width: 1.2vw;
    height: 1.2vw;
    border: 0.1vw solid #fff;
    border-radius: 50%;
    opacity: 0;
}
.circle01{
    top: 96%;
    left: 96%;
    margin: 0 auto;
    animation: animation01_circle 0.3s linear 0.3s forwards;
}
.circle02{
    top: 96%;
    left: -99%;
    margin: 0 auto;
    animation: animation01_circle 0.3s linear 0.45s forwards;
}
.circle03{
    top: -4%;
    left: -99%;
    margin: 0 auto;
    animation: animation01_circle 0.3s linear 0.65s forwards;
}
.circle04{
    top: -4%;
    left: 96%;
    margin: 0 auto;
    animation: animation01_circle 0.3s linear 0.85s forwards;
}
@keyframes animation01_circle{
    0%{
        transform: scale3d(0,0,1);
        opacity: 1;
    }
    40%{
        transform: scale3d(1,1,1);
        opacity: 1;
    }
    60%{
        transform: scale3d(1,1,1);
        opacity: 1;
    }
    100%{
        transform: scale3d(0,0,1);
        opacity: 1;
    }
}

.wave{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 13.5vw;
    height: 13.5vw;
    overflow: hidden;
}
.wave_wrapper{
    width: 200%;
    height: 150%;
    position: absolute;
    top: -25%;
    right: 0;
    bottom: 0;
    left: -50%;
    margin: 0 auto;
    animation: animation01_wave_wrapper 1s linear 1s forwards;
}
@keyframes animation01_wave_wrapper{
    0%{
        transform: rotate(0);
    }
    25%{
        transform: rotate(15deg);
    }
    50%{
        transform: rotate(0);
    }
    75%{
        transform: rotate(-15deg);
    }
    100%{
        transform: rotate(0);
    }
}
.wave_box{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: 0 auto;
    width: 100%;
    height: 100%;
    background-color: #fff;
    transform-origin: bottom;
    animation: animation01_wave_box 1s linear 1s forwards;
    opacity: 0;
}
@keyframes animation01_wave_box{
    0%{
        transform: scale3d(1,0,1);
        opacity: 1;
    }
    100%{
        transform: scale3d(1,1,1);
        opacity: 1;
    }
}
.animation_line{
    position: absolute;
    right: 0;
    bottom: 0;
    margin: 0 auto;
    background-color: #fff;
    opacity: 0;
}
.animation_line_wrapper{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: 0 auto;
    width: 100%;
    height: 100%;
}
.animation_line01{
    top: -15%;
    left: 0;
    width: 0.2vw;
    height: 0.7vw;
    animation: animation_line01 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: top;
}
.animation_line02_wrapper{
    transform: rotate(45deg)
}
.animation_line02{
    top: -35%;
    left: 0;
    width: 0.2vw;
    height: 0.7vw;
    animation: animation_line01 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: top;
}
@keyframes animation_line01{
    0%{
        transform: translateY(0);
        opacity: 1;
    }
    100%{
        transform: translateY(-1.5vw);
        opacity: 1;
    }
}
.animation_line03{
    top: 50%;
    left: 110%;
    width: 0.7vw;
    height: 0.2vw;
    animation: animation_line03 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: right;
}
.animation_line04_wrapper{
    transform: rotate(45deg)
}
.animation_line04{
    top: 50%;
    left: 128%;
    width: 0.7vw;
    height: 0.2vw;
    animation: animation_line03 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: right;
}
@keyframes animation_line03{
    0%{
        transform: translateX(0);
        opacity: 1;
    }
    100%{
        transform: translateX(1.5vw);
        opacity: 1;
    }
}
.animation_line05{
    top: 110%;
    left: 0;
    width: 0.2vw;
    height: 0.7vw;
    animation: animation_line05 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: bottom;
}
.animation_line06_wrapper{
    transform: rotate(45deg)
}
.animation_line06{
    top: 128%;
    left: 0;
    width: 0.2vw;
    height: 0.7vw;
    animation: animation_line05 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: bottom;
}
@keyframes animation_line05{
    0%{
        transform: translateY(0);
        opacity: 1;
    }
    100%{
        transform: translateY(1.5vw);
        opacity: 1;
    }
}
.animation_line07{
    top: 50%;
    left: -130%;
    width: 0.7vw;
    height: 0.2vw;
    animation: animation_line07 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: left;
}
.animation_line08_wrapper{
    transform: rotate(45deg)
}
.animation_line08{
    top: 50%;
    left: -162%;
    width: 0.7vw;
    height: 0.2vw;
    animation: animation_line07 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) 1.9s;
    transform-origin: left;
}
@keyframes animation_line07{
    0%{
        transform: translateX(0);
        opacity: 1;
    }
    100%{
        transform: translateX(-1.5vw);
        opacity: 1;
    }
}

.rhombus{
    position: absolute;
    width: 100%;
    height: 100%;
    animation: rhombus 0.2s linear 2.2s forwards;
}
@keyframes rhombus {
    0%{
        transform: rotate(0)
    }
    100%{
        transform: rotate(45deg)
    }
}
.rhombus_small{
    position: absolute;
    width: 100%;
    height: 100%;
    animation: rhombus_small 0.4s linear 2.55s forwards;
}
@keyframes rhombus_small {
    0%{
        transform: scale3d(1,1,1);
        opacity: 1;
    }
    99%{
        transform: scale3d(0.15,0.15,0.15);
        opacity: 1;
    }
    100%{
        transform: scale3d(0.15,0.15,0.15);
        opacity: 0;
    }
}

/*===================
animation02
====================*/
.animation02{
    position: absolute;
    width: 100%;
    height: 100%;
}
.rhombus_box{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    width: 40vw;
    height: 40vw;
    animation: rhombus_box 0.4s linear 3.55s forwards;
}
.rhombus_item_wrapper{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    width: 2.1vw;
    height: 2.1vw;
    opacity: 0;
}
.rhombus_item{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    width: 2.1vw;
    height: 2.1vw;
    background-color: #fff;
    transform: rotate(45deg)
}
.rhombus_item01_wrapper{
    animation: rhombus_item01 0.5s linear 2.95s forwards;
}

.rhombus_item02_wrapper{
    animation: rhombus_item02 0.5s linear 2.95s forwards;
}
@keyframes rhombus_item01{
    0%{
        transform: translateX(0);
        opacity: 1;
    }
    100%{
        transform: translateX(-18.5vw);
        opacity: 1;
    }
}
@keyframes rhombus_item02{
    0%{
        transform: translateX(0);
        opacity: 1;
    }
    100%{
        transform: translateX(18.5vw);
        opacity: 1;
    }
}
@keyframes rhombus_box{
    0%{
        transform: rotate(0)
    }
    100%{
        transform: rotate(360deg)
    }
}

.double_content{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}
.double_wrapper02{
    position: relative;
    width: 100%;
    height: 100%;
    animation: double_content forwards;
    opacity: 0;
}
.double_wrapper01{
    display: block;
    position: absolute;
    border-radius: 50%;
    overflow: hidden;
}
.double_wrapper01::before {
    content: "";
    display: block;
    position: absolute;
    background: #212022;
    z-index: 2;
}
.double_wrapper01::after {
    content: "";
    display: block;
    position: absolute;
    background: #212022;
    z-index: 3;
}
/*============
dotted circle
============*/
.dotted02{
    top: 0;
    animation-delay: 4.2s;
}
.dotted_hide{
    position: absolute;
    width: 31vw;
    height: 31vw;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    overflow: hidden;
}
.dotted01{
    width: 30vw;
    height: 30vw;
    border: dotted 0.5vw #fff;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    overflow: visible;
}
.dotted_right::before{
    content: "";
    display: block;
    position: absolute;
    background: #212022;
    z-index: 3;
}
.dotted_right::before{
    top: 0;
    left: 0;
    width: 32vw;
    height: 32vw;
    transform-origin: left 16vw;
    animation: rotate-circle-right 0.5s linear 4.2s forwards;
}
.dotted_right{
    position: absolute;
    width: 16vw;
    height: 32vw;
    z-index: 1;
    top: 50%;
    left: 75%;
    transform: translate(-50%, -50%);
    overflow: hidden;
}
.dotted01::after{
    top: -1vw;
    left: -17vw;
    width: 32vw;
    height: 32vw;
    transform-origin: right 16vw;
    animation: rotate-circle-left01 0.5s linear 4.2s forwards;
}
@keyframes rotate-circle-left01 {
    0%   {
        transform: rotate(0deg);
        background: #212022;
        opacity: 1;
    }
    50%  {
        transform: rotate(-180deg);
        background: #212022;
        opacity: 1;
    }
    50.01% {
        transform: rotate(0deg);
        opacity: 0;
    }
    100% {
        transform: rotate(0deg);
        opacity: 0;
    }
}
/*============
white circle
============*/
.white02{
    top: -100%;
    animation-delay: 4.7s;
}
.white01{
    width: 29vw;
    height: 29vw;
    background: #fff;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.white01::before{
    top: 0;
    left: 14.5vw;
    width: 29vw;
    height: 29vw;
    transform-origin: left 14.5vw;
    animation: rotate-circle-right 0.3s linear 4.7s forwards;

}
.white01::after{
    top: 0;
    left: -14.5vw;
    width: 29vw;
    height: 29vw;
    transform-origin: right 14.5vw;
    animation: rotate-circle-left 0.3s linear 4.7s forwards;
}
@keyframes rotate-circle-left {
    0%   {
        transform: rotate(0deg);
        background: #212022;
    }
    50%  {
        transform: rotate(-180deg);
        background: #212022;
    }
    50.01% {
        transform: rotate(-360deg);
        background: #fff;
    }
    100% {
        transform: rotate(-360deg);
        background: #fff;
    }
}
/*============
gray circle
============*/
.gray02{
    top: -200%;
    animation-delay: 4.8s;
}
.gray01{
    width: 8vw;
    height: 8vw;
    background: #808184;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.gray01::before{
    top: 0;
    left: 4vw;
    width: 8vw;
    height: 8vw;
    background: #fff;
    transform-origin: left 4vw;
    animation: rotate-circle-right 0.5s linear 4.8s forwards;

}
.gray01::after{
    top: 0;
    left: -4vw;
    width: 8vw;
    height: 8vw;
    background: #fff;
    transform-origin: right 4vw;
    animation: rotate-circle-left03 0.5s linear 4.8s forwards;
}
@keyframes rotate-circle-left03 {
    0%   {
        transform: rotate(0deg);
        background: #fff;
    }
    50%  {
        transform: rotate(-180deg);
        background: #fff;
    }
    50.01% {
        transform: rotate(-360deg);
        background: #808184;
    }
    100% {
        transform: rotate(-360deg);
        background: #808184;
    }
}
/*============
orange circle
============*/
.orange02{
    top: -300%;
    animation-delay: 5.3s;
}
.orange01{
    width: 27vw;
    height: 27vw;
    background: #f47141;
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.orange01::before{
    top: 0;
    left: 13.5vw;
    width: 27vw;
    height: 27vw;
    background: #fff;
    transform-origin: left 13.5vw;
    animation: rotate-circle-right 0.5s linear 5.3s forwards;

}
.orange01::after{
    top: 0;
    left: -13.5vw;
    width: 27vw;
    height: 27vw;
    background: #fff;
    transform-origin: right 13.5vw;
    animation: rotate-circle-left02 0.5s linear 5.3s forwards;
}
@keyframes rotate-circle-left02 {
    0%   {
        transform: rotate(0deg);
        background: #fff;
    }
    50%  {
        transform: rotate(-180deg);
        background: #fff;
    }
    50.01% {
        transform: rotate(-360deg);
        background: #f47141;
    }
    100% {
        transform: rotate(-360deg);
        background: #f47141;
    }
}

@keyframes double_content{
    0%{
    opacity: 0;
    }
    100%{
        opacity: 1;
    }
}
@keyframes rotate-circle-right {
    0%   { transform: rotate(0deg); }
    50%  { transform: rotate(0deg); }
    100% { transform: rotate(-180deg); }
}

.name{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30vw;
    height: 30vw;
    animation: name 1.0s cubic-bezier(0.165, 0.84, 0.44, 1) 5.9s forwards;
    opacity: 0;
}
.name p{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 2.0vw;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    letter-spacing: 0.1em;
}
.name_circle01{
    position: absolute;
    top: 50%;
    left: 20%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    width: 2vw;
    height: 2vw;
    border-radius: 50%;
}
.name_circle02{
    position: absolute;
    top: 50%;
    left: 80%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    width: 2vw;
    height: 2vw;
    border-radius: 50%;
}
@keyframes name {
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}
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