body {
    background: #000;
    /*background: linear-gradient(to top, #555555, #000000);
  background: linear-gradient(25deg, #000435, #fff); */
    background-size: cover;
    margin: 0;
}

@media screen and (max-width: 640px) {
    body {
        background: linear-gradient(to top, #555555, #000000);
    }
}


/*collarデコレーション

 color:#fff;
background: linear-gradient(to right, #38ff84, #008fc7);
  -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  text-shadow: 0px 0 10px #38ff848e, 0 0 15pxrgba(0, 143, 199, 0.5);*/

::selection {
    background: #6caab3;
    color: #f9bcff;
}

::-moz-selection {
    background: #6caab3;
    color: #f9bcff;
}

.border {
    width: 100%;
    border-bottom: thin dotted;
    border-image: linear-gradient(to right, #00dbde 0%, #fc00ff 100%);
    border-image-slice: 1;
    ;
    display: inline-block;
}

.border-2 {
    border-bottom: thin dotted;
    border-image: linear-gradient(to right, #00dbde 0%, #fc00ff 100%);
    border-image-slice: 1;
    ;
    display: inline-block;
}

.border-3 {
    border-bottom: thin dotted;
    border-image: linear-gradient(to right, #00dbde 0%, #fc00ff 100%);
    border-image-slice: 1;
}

#pp1 section,
#pp2 section,
#pp3 section {
    max-width: 100%;
    overflow: hidden;
    display: inline-flex;
    border: thin dotted;
    border-image: linear-gradient(to right, #fc00ff 0%, #00dbde 100%);
    border-image-slice: 1;
    margin: 3px 0px 3px 0px;
}

#pp4 section {
    max-width: 100%;
    overflow: hidden;
    display: inline-flex;
    margin: 3px 0px 3px 0px;
}

#pp3>article {
    text-align: center;
    display: block;
    float: left;
    max-width: 100vw;
    overflow: hidden;
    border: thin dotted;
    border-image: linear-gradient(to right, #fc00ff 0%, #00dbde 100%);
    border-image-slice: 1;
    ;
    display: inline-block;
    margin: 3px 0px 3px 0px;
}

#pp1 h1,
h3,
h5,
h6,
#pp2 h1,
h3,
h5,
h6,
#pp3 h1,
h3,
h5,
h6,
#pp4 h1,
h3,
h5,
h6 {
    display: block;
    margin-block-start: 0;
    margin-block-end: 0;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
}

#pp1 .crea-left,
#pp2 .crea-left,
#pp3 .crea-left,
#pp4 .crea-left {
    position: relative;
    overflow: hidden;
}

#pp1 .left-img,
#pp2 .left-img,
#pp3 .left-img,
#pp4 .left-img {
    height: auto;
    overflow: hidden;
    position: relative;
}

#pp3 .left-img>iframe {
    max-width: 100vw;
    width: 640px;
    height: 350px;
}

#pp1 img {
    height: 570px;
}

#pp1 img,
#pp2 img,
#pp3 img,
#pp4 img {
    max-width: 100vw;
}

#pp1 a,
#pp2 a,
#pp3 a,
#pp4 a {
    color: #fff;
    text-decoration: none;
}

#pp1 a:hover,
#pp2 a:hover,
#pp3 a:hover,
#pp4 a:hover {
    color: #fff;
    background: -webkit-linear-gradient(0deg, #ACB6E5, #86FDE8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#pp1 a,
#pp2 a,
#pp3 a,
#pp4 a {
    position: relative;
    display: inline-block;
    text-decoration: none;
}

#pp1 a::after,
#pp2 a::after,
#pp3 a::after,
#pp4 a::after {
    position: absolute;
    bottom: 0px;
    left: 0;
    content: '';
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, #00dbde 0%, #fc00ff 100%);
    transform: scale(0, 1);
    transform-origin: center top;
    transition: transform .3s;
}

#pp1 a:hover::after,
#pp2 a:hover::after,
#pp3 a:hover::after,
#pp4 a:hover::after {
    transform: scale(1, 1);
}

.Maine {
    position: relative;
    margin-left: 5px;
    margin: 0 auto;
}

.text {
    text-align: center;
    color: #ffffff;
    font-size: 17px;
    background-size: cover;
}

.pc_only {
    display: block;
}

.particle_outer {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1100;
    overflow: hidden;
}

#particle {
    width: calc(100%);
    height: calc(100vh);
    position: absolute;
    top: 0;
    left: 0;
}

.particle2_outer {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1000;
    overflow: hidden;
}

#particle2 {
    width: calc(100%);
    height: calc(100vh);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.07;
}

@media only screen and (max-width: 640px) {
    .pc_only {
        display: none!important;
    }
}

#page-wrap {
    background-size: cover;
    width: 100%;
    height: 100%;
    min-height: 100%;
    position: relative;
    padding-bottom: 470px;
}

.btn-Jp-or-Eng {
    width: 200px;
    text-align: center;
    display: inline-block;
    padding: 7px 20px;
    border-radius: 25px;
    text-decoration: none;
    color: #000;
    background-color: rgba(255, 255, 255, 0.5);
}

.btn-Jp-or-Eng:hover {
    background-color: rgba(255, 255, 255, 0.2);
}