* {
    margin: 0;
    font-family: 'Inter', 'Murecho', sans-serif;
    --basic-white: #FFFFFF;
    --basic-black: #000000;
    --basic-white-rgb: 255, 255, 255;
    --basic-black-rgb: 0, 0, 0;
    --akai-1200: #4E0810;
    --akai-1100: #6C0814;
    --akai-1000: #880C13;
    --akai-900: #9F1111;
    --akai-800: #C11515;
    --akai-700: #D71818;
    --akai-600: #E41A1A;
    --akai-500: #EE3D3D;
    --akai-400: #E85252;
    --akai-300: #FF7B7B;
    --akai-200: #FF9899;
    --akai-100: #FFBCBC;
    --akai-50: #FFDADA;
    --akai-gray-1200: #000000;
    --akai-gray-1100: #0C0C0C;
    --akai-gray-1000: #181818;
    --akai-gray-900: #262626;
    --akai-gray-800: #414141;
    --akai-gray-700: #494949;
    --akai-gray-600: #736E6E;
    --akai-gray-500: #979292;
    --akai-gray-400: #B6ADAD;
    --akai-gray-300: #CDC7C7;
    --akai-gray-200: #E9E3E3;
    --akai-gray-100: #F4F4F4;
    --akai-gray-50: #F9F9F9;
}

a {
    text-decoration: none;
}

.f900 {
    font-weight: 900;
}

.f800 {
    font-weight: 800;
}

.f700 {
    font-weight: 700;
}

.f600 {
    font-weight: 600;
}

.f500 {
    font-weight: 500;
}

.f400 {
    font-weight: 400;
}

.f100 {
    font-weight: 100;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    min-height: 100vh;
}

.scroll-bar {
    overflow-y: scroll;
}

.scroll-bar::-webkit-scrollbar {
    width: 0.5rem;
}

.scroll-bar::-webkit-scrollbar-track {
    width: 50%;
    background-color: var(--akai-gray-1000);
}

.scroll-bar::-webkit-scrollbar-thumb {
    border-radius: 100px;
    background-color: var(--akai-gray-700);
}

.scroll-bar::-webkit-scrollbar-thumb:hover {
    background-color: var(--akai-700);
}

p {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

#page-title {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    margin-top: 4rem;
    border-bottom: 2px solid var(--basic-black);
    color: var(--basic-white);
    background-color: var(--akai-600);
    transition: ease 0.75s;
    user-select: none;
    z-index: 2;
}

#page-title.small {
    background-color: var(--akai-1100);
}

#page-title>h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin: 1rem 7.5%;
    transition: ease 0.75s;
    mix-blend-mode: normal;
}

#page-title>h1.small {
    font-size: 1.5rem;
}

#back-to-top {
    margin: 0 7.5%;
    opacity: 0;
    visibility: hidden;
    transition: ease 0.75s;
    cursor: pointer;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    color: var(--akai-gray-200);
}

#banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4rem;
    display: flex;
    align-items: space-between;
    justify-content: space-between;
    background-color: var(--basic-black);
    user-select: none;
    z-index: 2;
}

#banner-logo,
#banner-menu-icon {
    height: 100%;
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

#banner-logo>a>img {
    height: 50%;
}

#banner-menu-icon>img {
    height: 30%;
    transition: ease-in-out 0.5s;
}

#banner-menu-icon.open>img {
    border: 1px solid var(--basic-white);
    transform: rotate(45deg);
}

#menu-container {
    position: fixed;
    display: flex;
    visibility: hidden;
    justify-content: center;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    margin-top: 4rem;
    opacity: 0;
    color: var(--basic-white);
    background-color: rgba(var(--basic-black-rgb), 0.95);
    transition: ease-in-out 0.5s;
    user-select: none;
    z-index: 3;
}

#menu-container.open {
    visibility: visible;
    opacity: 1.0;
}

#menu {
    display: flex;
    flex-direction: column;
    width: 85%;
}

#menu>a {
    margin-top: 4rem;
    font-size: 3rem;
    color: var(--akai-gray-500);
    opacity: 0;
    position: relative;
    right: 3rem;
    transition: 1s;
}

#menu-container.open>#menu>a {
    right: 0;
    opacity: 1;
}

#menu>a:hover,
#menu>a.now {
    color: var(--basic-white);
}

#menu>a.now {
    right: 2rem;
}

#contents {
    width: 100%;
    flex-grow: 1;
}

#contents-wrapper {
    width: 85%;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    margin-top: 11.5rem;
    margin-bottom: 11rem;
    background-color: inherit;
    transition: ease 0.5s;
}

footer {
    width: 100%;
    height: 8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    bottom: 0;
    font-size: 1rem;
    color: var(--akai-gray-600);
    background-color: var(--basic-black);
    z-index: 1;
}

#footer-container {
    width: 85%;
    height: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

#footer-container #footer-logo {
    height: 100%;
    aspect-ratio: 1/1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#footer-logo>a>img {
    height: 70%;
}

#footer-container>p:nth-child(1) {
    width: 10rem;
    display: flex;
    justify-content: flex-start;
}

#footer-container>p:nth-child(3) {
    width: 10rem;
    display: flex;
    justify-content: flex-end;
}