@charset "UTF-8";

/* ウェブフォントの読み込み */
@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic&display=swap');

/* 全体に適用する */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-weight: normal;
}

/* root */
:root {
    --color: #203744;
    --color2: #a7716c;
    --white: #fff;
    --black: #333;
    --font: "Zen Maru Gothic", sans-serif;
}

/* 基本設定 */
body {
    min-height: 100vh;
    min-height: 100svh;
    background: linear-gradient(to bottom, var(--color), var(--black));
    text-align: justify;
    line-height: 1.8;
    letter-spacing: 0.1em;
    font-size: 13px;
    font-family: "Zen Maru Gothic", sans-serif;
    color: var(--white);
}

/* 横幅768px以上で読み込む */
@media screen and (min-width: 768px) {
    body {
        font-size: 14px;
    }
}

/* リンク */
a,
a:visited {
    font-family: var(--font);
    color: var(--white);
    transition: .5s all;
}

a:hover,
a:visited:hover {
    color: var(--white);
}

header {
    margin: 5em auto 1.5em;
}

header img {
    display: block;
    margin: 1.5em auto;
    width: 100px;
    height: auto;
}

header h1 {
    text-align: center;
    font-size: 1.5em;
    font-family: var(--font);
    color: var(--color2);
}

aside {
    margin: 1em auto;
    padding: 1em;
    width: 80%; text-align:center;
    max-width: 400px;
    background-color: rgba(0, 0, 0, 0.2);
    font-size: 12px;
}

main {
    margin: 0 auto;
    width: 80%;
    max-width: 400px;
}

section {
    margin: 3em auto;
    padding: 2em;
    border: thin solid var(--white);
}

section h2 {
    text-decoration: underline;
    font-family: var(--font);
    font-size: 1.3em;
    font-weight: bold;
}

section p {
    font-size: 12px;
}

section ul,
section ol {
    margin: 0.5em auto 1em;
}

section ul {
    list-style-type: none;
}

section ul li a,
section ol li a {
    transition: .5s color;
}

section ol {
    list-style-position: inside;
    list-style-type: decimal-leading-zero;
}

.yoko li {
    position: relative;
    display: inline-block;
    margin-right: 1em;
}

.yoko li::before {
    position: absolute;
    display: block;
    content: '/';
    top: 50%;
    right: -1em;
    transform: translateY(-50%);
}

.yoko li:last-of-type::before {
    display: none;
}

/* アーティクル */
article {
    margin: 3em auto;
    max-width: 700px;
    padding: 1.5em;
    background-color: var(--white);
}

article h1 {
    margin-bottom: 1em;
    text-align: center;
    font-family: var(--font);
    color: var(--black);
}

article p {
    color: var(--black);
}

.menu {
    margin: 2em auto;
    text-align: center;
}

.menu li {
    margin: 0 1em;
    display: inline-block;
}

.menu li a,
.menu li a:visited {
    text-decoration: none;
    font-weight: bold;
    color: var(--color);
}