@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho&display=swap');

:root {
    --white-clr: #ffff;
    --bg-clr: rgba(255, 255, 255, 0.2);
    --bg-dk-clr: rgba(255, 255, 255, 0.3);

    --blue: #2b8cff;
    --green: #2ebf6e;
    --red: #ff6b6b;
    --purple: #8b5cf6;
    --grey: #6b7280;
    --pink: #ec4899;
    --yellow: #facc15;
    --orange: #fb923c;
    --brown: #92400e;
    --black: #111827;

    --blue-hover: #1e74e6;
    --green-hover: #22a85d;
    --red-hover: #e65858;
    --purple-hover: #7c3aed;
    --grey-hover: #555b68;
    --pink-hover: #db2777;
    --yellow-hover: #eab308;
    --orange-hover: #f97316;
    --brown-hover: #78350f;
    --black-hover: #000000;
}
body {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    background: transparent;
    color: #fff;
    font-family: "Noto Serif JP", serif;
}
body.lock-scroll {
    position: fixed;
    width: 100%;
    overflow: hidden;
}
.wrapper {
    top: 0;
    position: relative;
}
.stack {
    height: 600px;
    width: 100%;
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    writing-mode: vertical-rl;
    text-orientation: upright;
}
.stack span {
    font-family: "Shippori Mincho", serif;
    font-weight: 550;
    list-style: none;
    font-size: 2rem;
    letter-spacing: 5px;
    background: linear-gradient(
        180deg,
        #000000 0%,
        #000000 45%,
        #2563eb 65%,
        #ec4899 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: scale(1);
    filter: blur(5px);
    animation: stackOut 3s ease forwards;
}
.text-1 {
    margin-top: -2rem;
}
.text-2 {
    margin-top: 12rem;
}
.stack span:nth-child(1) { 
    animation-delay: 1s; 
    transform: translateY(-3rem);
}
.stack span:nth-child(2) { 
    animation-delay: 3s;
    transform: translateY(3rem);
}
@keyframes stackOut {
    to {
        opacity: 1;
        transform: scale(1);
        filter: blur(0);
    }
}
.stack.hide {
    opacity: 0;
    transition: opacity 0.6s ease;
}
.main {
    opacity: 0;
    transition: opacity 0.6s ease;
}
.main.show {
    opacity: 1;
}
@media (min-width: 767px) {
    .stack span{
        font-size: 2.5rem;
    }
    .text-1 {
        margin-top: -3rem;
    }
    .text-2 {
        margin-top: 14rem;
    }
}