* {
    scroll-margin-top: 135px;
}

body {
    font-family: 'Noto Sans JP', YuGothic, 'Hiragino Kaku Gothic ProN', sans-serif;
    color: #404040;
    line-height: 1.75;
    letter-spacing: 0.008em;
    margin: 0px;
    padding: 10px;
    font-size:medium;
}

header {
    position: sticky;
    position: -webkit-sticky;
    top: 0px;
    z-index: 999;
    background-color: white;
    border-bottom: 1px dotted #777;
}

.navigation {
    height: 100px;
    max-width: 1024px;
    min-width: 880px;
    margin: 0 auto;
    display: flex;
    white-space: nowrap;
}

/* Title */
#title {
    margin-right: auto;
    display: flex;
    width: 400px;
    align-items: center;
    color: #000000;
}

#title-logo {
    display: flex;
    align-items: center;
}

#title a {
    display: flex;
    color: #000000;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
}

#title a:hover {
    color: #267CB9;
    border-bottom: dashed 1px;
}

#title img {
    width: 40px;
    height: 100%;
    padding: 15px;
}

#social img {
    width: 24px;
    height: 100%;
    padding-left: 5px;
    padding-right: 5px;
}

/* Nav */
#nav {
    display: flex;
    width: 400px;
    align-items: center;
    justify-content: flex-end;
    font-size: 18px;
}

.navigation #nav a {
    color: #404040;
    text-decoration: none;
}

.navigation #nav a:hover {
    color: #267CB9;
    border-bottom: dashed 1px;
}

.navigation ul {
    display: flex;
    align-items: center;
    list-style: none;
    list-style-image: none;
}

.navigation li {
    width: 125px;
    text-align: center;
}

@media (max-width: 850px) {
    .navigation {
        display: inline;
        white-space: normal;
        max-width: 800px;
        min-width: 400px;
    }
    #title {
        display: inline;
        width: 100%;
        margin: auto;
        display: inline-block;
    }
    #title a {
        display: flex;
        justify-content: center;
        margin: auto;
        font-size: 18px;
    }
    #nav {
        width: 100%;
        display: flex;
        justify-content: center;
        margin: auto;
    }

    #nav ul{
        padding-left: 0;
        display: flex;
        margin: auto;
        justify-content: flex-start;
    }
    #nav a{
        font-size: 16px;
    }

    #nav li {
        margin: auto;
        width: fit-content;
        padding: 5px;
    }
}

/* Main */
.main {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px;
    padding-top: 50px;
    padding-bottom: 100px;
}

.main h1,
.main h2 {
    color: #222;
    margin: 0 0 20px;
}

.main p,
.main l,
.main l,
.main able,
.main re,
.main n
.main l {
    margin: 0 0 20px;
}

.main h1,
.main h2,
.main h3 {
    line-height: 1.0;
}

.main h1 {
    font-size: 24px;
}

.main img {
    padding-right: 5px;
    padding-left: 5px;
}

.main h2 {
    font-size: 20px;
    color: #393939;
    padding-top: 30px;
    border-top: 1px dashed #777;
}

.main h3 {
    font-size: 18px;
    color: #393939;
    margin: 0;
    padding: 0;
    font-weight: normal;
}

.main h3,
.main h4,
.main h5,
.main h6 {
    color: #494949;
}

.main a {
    color: #267CB9;
    text-decoration: none;
}

.main a:hover,
.main a:focus {
    color: #267CB9;
    border-bottom: dashed 1px;
}

.main a small {
    font-size: 14px;
    color: #777;
    margin-top: -0.3em;
    display: block;
}

.main a:hover small {
    color: #777;
}


.main blockquote {
    border-left: 1px solid #e5e5e5;
    margin: 0;
    padding: 0 0 0 20px;
    font-style: italic;
}

.main code,
.main pre {
    font-family: Monaco, Bitstream Vera Sans Mono, Lucida Console, Terminal, Consolas, Liberation Mono, DejaVu Sans Mono, Courier New, monospace;
    color: #333;
}

.main pre {
    padding: 8px 15px;
    background: #f8f8f8;
    border-radius: 5px;
    border: 1px solid #e5e5e5;
    overflow-x: auto;
}

.main table {
    width: 100%;
    border-collapse: collapse;
}

.main th,
.main td {
    text-align: left;
    padding: 5px 10px;
    border-bottom: 1px solid #e5e5e5;
}

.main dt {
    color: #444;
    font-weight: 700;
}

.main th {
    color: #444;
}

.main kbd {
    background-color: #fafbfc;
    border: 1px solid #c6cbd1;
    border-bottom-color: #959da5;
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 #959da5;
    color: #444d56;
    display: inline-block;
    font-size: 11px;
    line-height: 10px;
    padding: 3px 5px;
    vertical-align: middle;
}

.main strong {
    color: #222;
    font-weight: bold;
}

.main small {
    font-size: 11px;
}

.main hr {
    border: 0;
    background: #e5e5e5;
    height: 1px;
    margin: 0 0 20px;
}

@media (max-width: 600px) {
    body {
        max-width: 550px;
        min-width: 200px;
    }
    .main {
        max-width: 600px;
        width: 100%;
        min-width: 400px;
        padding: 0;
        display: inline;
    }
    .main h2 {
        padding-left: 10px;
        font-size: 18px;
    }
    #social img {
        width: 26px;
        height: 100%;
        padding-left: 5px;
        padding-right: 15px;
    }
}

#footer {
    margin: 0 auto;
    border-top: 1px dotted #777;
}
#footer h2 {
    margin: auto;
    width: 80%;
    padding: 10px;
    font-size: 16px;
    font-weight: normal;
    text-align: right;
}