* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--bg-color-primary);
    color: var(--text-color-primary);
    /* font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, Meiryo, sans-serif; */
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, Meiryo, sans-serif;
    line-height: 1.75;
    /* word-break: break-all; */
    word-wrap: break-word;
    -webkit-text-size-adjust: 100%;
}

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

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 16px 0;
}

h2 {
    margin-top: 32px;
}

h3 {
    margin-top: 24px;
}

h1 {
    font-size: 24px;
}

h2 {
    font-size: 20px;
}

h3 {
    font-size: 18px;
}

h4 {
    font-size: 16px;
}

h5 {
    font-size: 14px;
}

h6 {
    font-size: 12px;
}

@media (min-width:768px) {
    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 24px;
    }

    h3 {
        font-size: 20px;
    }

    h4 {
        font-size: 18px;
    }

    h5 {
        font-size: 16px;
    }

    h6 {
        font-size: 14px;
    }
}

p {
    margin: 16px 0;
}

img {
    max-width: 100%;
    height: auto;
}

pre {
    white-space: pre-wrap;
    overflow: auto;
    padding: 8px;
    padding-left: 16px;
    padding-right: 16px;
    border-radius: 6px;
    word-break: break-all;
}

@media (min-width:768px) {
    pre {
        white-space: pre;
    }
}

code {
    font-family: Consolas, Monaco, monospace;
    font-size: 14px;
}

iframe {
    max-width: 100%;
    height: auto;
}

video {
    max-width: 100%;
    height: auto;
}

table {
    border-collapse: collapse;
}

th {
    text-align: start;
    padding: 4px 16px;
    border: 1px solid var(--border-color);
}

td {
    padding: 4px 16px;
    border: 1px solid var(--border-color);
}

tbody tr:nth-of-type(even) {
    background-color: var(--bg-color-secondary);
}


/* スクロールバー */
@media (min-width:768px) {
    ::-webkit-scrollbar {
        width: 14px;
        height: 14px;
    }

    ::-webkit-scrollbar-thumb {
        box-shadow: inset 0 0 10px 10px #aaaaaa;
        border: solid 3px transparent;
        border-radius: 8px;
    }
}

.body_container__ {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
}

/*** ヘッダー ***/
.header_container__ svg,
.header_container__ img {
    display: block;
}

/* デスクトップを非表示 */
.header_container_desktop__ {
    display: none;
}

.header_container_mobile__ {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;

    padding-left: 16px;
    padding-right: 16px;
}

/* メニュー nav */
.header_nav_mobile__ {
    width: 80vw;
    min-height: 100vh;
    position: absolute;
    top: 0;
    left: -100vw;
    transition: 0.2s;
    background-color: var(--bg-color-primary);
}

/* nva ロゴ＋タイトル */
.header_nav_logo_title_container_mobile__ {
    display: flex;
    align-items: center;
    min-height: 64px;
    padding-left: 16px;
    padding-right: 16px;
}

/* サイトタイトル */
.header_site_title_mobile__ {
    font-size: 20px;
}

.header_site_title_mobile__,
.header_site_title_mobile__:visited {
    color: var(--text-color-primary);
}

.header_menu_mobile__ {
    list-style: none;
    margin: 0;
    padding: 16px;
}

.header_menu_mobile__ li {
    font-size: 14px;
    margin-bottom: 16px;
}

.header_menu_mobile__ li:last-of-type {
    margin-bottom: 0;
}

.header_menu_mobile__ a,
.header_menu_mobile__ a:visited {
    color: var(--text-color-primary);
}

/* メニュー開閉トグル checkbox */
#header_menu_toggle_mobile__ {
    display: none;
}

/* メニューを開く */
#header_menu_toggle_mobile__:checked~.header_nav_mobile__ {
    position: absolute;
    left: 0;
}

.header_menu_open_mobile__ {
    color: var(--text-color-secondary);
}

/* メニューを閉じる */
.header_menu_close_mobile__ {
    display: none;
}

#header_menu_toggle_mobile__:checked~.header_menu_close_mobile__ {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    opacity: .4;
    cursor: default;
}

@media (min-width:768px) {
    .header_container_mobile__ {
        display: none;
    }

    .header_container_desktop__ {
        display: flex;
    }
}


/* ヘッダー　デスクトップ */
@media (min-width:768px) {
    .header_container_desktop__ {
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        padding-left: 24px;
        padding-right: 24px;
        min-height: 80px;
        /* box-shadow: rgb(47 57 65 / 5%) 0px 16px 24px 0px; */
        /* box-shadow: 0px 4px 16px rgba(223, 222, 222, 0.25); */
        /* box-shadow: 0px 4px 16px var(--bg-color-secondary); */
        box-shadow: 0px 16px 24px 0px var(--bg-color-secondary);
        font-size: 14px;
    }

    /* サイトタイトル */
    .header_site_title_desktop__ {
        font-size: 24px;
    }

    .header_site_title_desktop__,
    .header_site_title_desktop__:visited {
        color: var(--text-color-primary);
    }

    /* ヘッダーメニュー */
    .header_menu_desktop__ {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
    }

    .header_menu_desktop__ a,
    .header_menu_desktop__ a:visited {
        color: var(--text-color-secondary);
    }

    .header_menu_desktop__ a:hover {
        color: var(--text-color-primary);
    }
}

.main_container__ {
    padding-left: 16px;
    padding-right: 16px;
    padding-top: 16px;
    padding-bottom: 48px;
}

@media (min-width:768px) {
    .main_container__ {
        padding-top: 48px;
        padding-bottom: 64px;
        max-width: 760px;
        margin: auto;
    }
}

/*** entry list ***/
.entry_list__ {
    list-style: none;
    padding: 0;
    margin: 0;
}


.entry_list_item__ {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
    margin-bottom: 24px;
}

.entry_list_item__:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

@media (min-width:768px) {
    .entry_list_item__ {
        padding-bottom: 32px;
        margin-bottom: 32px;
    }
}

/* .entry_list_item__:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
} */

/* 日付＋カテゴリー */
.entry_list_date_tags_container__ {
    display: flex;
    flex-wrap: wrap;
    column-gap: 8px;
    row-gap: 4px;
    font-size: 12px;
}

@media (min-width:768px) {
    .entry_list_date_tags_container__ {
        font-size: 14px;
    }
}

/* カテゴリー */
.entry_list_tags__ {
    list-style: none;
    padding: 0;
    margin: 0;

    display: flex;
    flex-wrap: wrap;
    align-items: center;
    column-gap: 8px;
    row-gap: 4px;
}

.entry_list_tags__ a,
.entry_list_tags__ a:visited {
    color: var(--text-color-primary);
}

@media (min-width:768px) {
    .entry_list_tags__ {
        column-gap: 12px;
        row-gap: 8px;
    }
}

/* 見出し */
.entry_list_heading__ {
    font-size: 20px;
    margin-top: 12px;
    margin-bottom: 16px;
}

.entry_list_heading__ a,
.entry_list_heading__ a:visited {
    color: var(--text-color-primary);
}

@media (min-width:768px) {
    .entry_list_heading__ {
        font-size: 22px;
        margin-top: 12px;
        margin-bottom: 16px;
    }
}

/* 抜粋 */
.entry_list_summary__ {
    font-size: 14px;
}

.entry_list_summary__,
.entry_list_summary__:visited {
    color: var(--text-color-primary);
}

@media (min-width:768px) {
    .entry_list_summary__ {
        font-size: 14px;
    }
}

/* カテゴリー名 */
.tag_title__ {
    margin-top: 0;
    margin-bottom: 18px;
    font-weight: normal;
    font-size: 20px;
}

@media (min-width:768px) {
    .tag_title__ {
        margin-bottom: 34px;
        font-size: 28px;
    }
}

/* ページ送り */
.entry_list_paginator__ {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

@media (min-width:768px) {
    .entry_list_paginator__ {
        margin-top: 56px;
    }
}

.entry_list_paginator__ a,
.entry_list_paginator__ a:visited {
    color: var(--text-color-secondary);
}

.entry_list_paginator__ a {
    padding: 8px 16px;
    border-radius: 16px;
    box-shadow: 0 3px 6px rgb(0 0 0 / 20%);
}

.entry_list_paginator__ a:hover {
    color: var(--text-color-primary);
}

/*** single ***/
.single_title__ {
    font-size: 22px;
    margin-top: 0;
    margin-bottom: 24px;
}

@media (min-width:768px) {
    .single_title__ {
        font-size: 32px;
        margin-bottom: 40px;
    }
}

/* 日付＋カテゴリー */
.single_date_tags_container__ {
    display: flex;
    flex-wrap: wrap;
    column-gap: 8px;
    row-gap: 4px;
    font-size: 12px;
    margin-bottom: 20px;
}

@media (min-width:768px) {
    .single_date_tags_container__ {
        font-size: 14px;
        margin-bottom: 32px;
    }
}

/* カテゴリー */
.single_tags__ {
    list-style: none;
    padding: 0;
    margin: 0;

    display: flex;
    flex-wrap: wrap;
    align-items: center;
    column-gap: 8px;
    row-gap: 4px;
}

.single_tags__ a,
.single_tags__ a:visited {
    color: var(--text-color-primary);
}

@media (min-width:768px) {
    .single_tags__ {
        column-gap: 12px;
        row-gap: 8px;
    }
}

/* Home / Back to top */
.single_tail_nav__ {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 64px;
    font-size: 14px;
}

@media (min-width:768px) {
    .single_tail_nav__ {
        margin-top: 80px;
    }
}

.single_tail_nav__ a,
.single_tail_nav__ a:visited {
    color: var(--text-color-secondary);
}

.single_tail_nav__ a:hover {
    text-decoration: none;
    color: var(--text-color-primary);
}

.single_tail_nav__ svg {
    display: block;
}

.single_home__ {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 16px;
    /* box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25); */
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

.single_top__ {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 16px;
    /* box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25); */
    /* box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.25); */
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

/*** footer ***/
.footer_container__ {
    padding: 16px;
    /* background-color: var(--bg-color-secondary); */
}

@media (min-width:768px) {
    .footer_container__ {
        padding: 24px;
    }
}

/* ソーシャルアイコン　タイトル Follow me */
.footer_social_icons_title__ {
    font-size: 12px;
    text-align: center;
    margin-bottom: 8px;
    color: var(--text-color-secondary);
}

@media (min-width:768px) {
    .footer_social_icons_title__ {
        margin-bottom: 16px;
    }
}

/* ソーシャルアイコン */
.footer_social_icons__ {
    list-style: none;
    padding: 0;
    margin: 0;

    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    column-gap: 16px;
    row-gap: 8px;

    /* border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px; */
    margin-bottom: 16px;
}

@media (min-width:768px) {
    .footer_social_icons__ {
        /* padding-bottom: 24px; */
        margin-bottom: 24px;
    }
}

.footer_social_icons__ svg {
    display: block;
}

.footer_social_icons__ a,
.footer_social_icons__ a:visited {
    color: var(--text-color-secondary);
}

.footer_social_icons__ a:hover {
    color: var(--text-color-primary);
}

/* フッターメニュー＋コピーライト */
.footer_menu_copyright_container__ {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    column-gap: 16px;
    row-gap: 8px;
    font-size: 12px;
}

/* フッターメニュー */
.footer_menu__ {
    list-style: none;
    padding: 0;
    margin: 0;

    display: flex;
    flex-wrap: wrap;
    column-gap: 16px;
    row-gap: 8px;
}

.footer_menu__ a,
.footer_menu__ a:visited {
    color: var(--text-color-secondary);
}

.footer_menu__ a:hover {
    color: var(--text-color-primary);
}

/* コピーライト */
.footer_copyright__ {
    color: var(--text-color-secondary);
}


/* 404 Page not found */
.page_not_found_container__ {
    display: grid;
    justify-content: center;
}

.page_not_found_container__ p {
    text-align: center;
    font-size: 32px;
}

.page_not_found_container__ h2 {
    text-align: center;
    font-weight: normal;
    font-size: 128px;
    line-height: 1;
}