@charset "UTF-8";
/*
Theme Name: nururuv-blog
Author: nururuv
Author URI: 
*/

/* CSS変数定義
--------------------------------------------------------- */
:root {
  /* スペーシング */
  --spacing-xs: 0.2em;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-10px: 10px;
  --spacing-20px: 20px;
  --spacing-40px: 40px;
  
  /* フォントサイズ */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 1.75rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 4rem;
  
  /* カラーパレット - モダンなグラデーション */
  --color-text-primary: #2d3748;
  --color-text-secondary: #4a5568;
  --color-text-tertiary: #718096;
  --color-text-light: #a0aec0;
  --color-bg-primary: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f7fafc;
  --color-bg-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --color-accent-primary: #667eea;
  --color-accent-secondary: #48bb78;
  --color-accent-tertiary: #9f7aea;
  --color-accent-orange: #ed8936;
  --color-accent-blue: #4299e1;
  --color-link: #667eea;
  --color-shadow-light: rgba(0, 0, 0, 0.08);
  --color-shadow-medium: rgba(0, 0, 0, 0.12);
  --color-shadow-dark: rgba(0, 0, 0, 0.25);
  --color-shadow-colored: rgba(102, 126, 234, 0.25);
  --color-gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  
  /* 共通パディング・マージン */
  --padding-card: var(--spacing-10px);
  --margin-card: var(--spacing-10px) var(--spacing-10px) var(--spacing-20px) var(--spacing-10px);
  --padding-header: var(--spacing-md) var(--spacing-lg);
}

/* ユーティリティクラス
--------------------------------------------------------- */
/* スペーシング */
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }

/* フォントサイズ */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-xxl { font-size: var(--font-size-xxl); }
.text-2xl { font-size: var(--font-size-2xl); }

/* カラー */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-link { color: var(--color-link); }

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }

/* 共通コンポーネント */
.card-base {
  padding: var(--spacing-lg);
  margin: var(--spacing-md);
  border-radius: 20px;
  position: relative;
  background: var(--color-gradient-card);
  box-shadow: 0 8px 32px var(--color-shadow-light), 0 2px 8px var(--color-shadow-medium);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.card-base:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px var(--color-shadow-medium), 0 8px 16px var(--color-shadow-colored);
}

.btn-base {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 2px;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-base);
}

/* CSSリセット & 基本設定
--------------------------------------------------------- */
html, body, h1, h2, h3, h4, ul, ol, dl, li, dt, dd, p, div, span, img, a, table, tr, th, td {
    margin: 0;
    padding: 0;
    border: 0;
    font-weight: normal;
    font-size: 100%;
    color: var(--color-text-primary);
    vertical-align: baseline;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

article, header, footer, aside, figure, figcaption, nav, section {
    /* ブロック要素について https://www.sejuku.net/blog/52636 */
    display: block;
}

body {
    background: var(--color-bg-primary);
    background-attachment: fixed;
    min-height: 100vh;
    line-height: 1.7;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    overflow-x: hidden;
    font-feature-settings: "palt";
    letter-spacing: 0.02em;
    color: var(--color-text-primary);
}

ol, ul {
    list-style: none;
    list-style-type: none;
}

a {
    text-decoration: none;
}

img {
    /* 親要素より大きくならないようにする */
    max-width: 100%
}

/* 共通アニメーション & エフェクト
--------------------------------------------------------- */
.z-index-2 {
    z-index: 2;
}

.z-index-4 {
    z-index: 4;
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}

/* グローバルアニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ページロード時のアニメーション削除 */

/* ヘッダー
--------------------------------------------------------- */
/*ハンバーガーメニュー非表示設定*/
#menu-btn-check {
    display: none;
}

.gnav-ul li i {
    color: rgb(59, 59, 59);
    padding-right: 3px;
    width: 12px;
}

/* ヘッダー全体のスタイリング */
header.wrapper {
    background: transparent;
    transition: all 0.3s ease;
    padding: var(--spacing-md) var(--spacing-lg);
}

/* ヘッダータイトルのスタイリング */
header .title {
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    text-decoration: none;
    transition: all 0.3s ease;
}

header .title:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

/* ナビゲーションメニューのスタイリング */
nav#gnav {
    background: var(--color-gradient-card);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    margin-top: var(--spacing-sm);
}

.gnav-ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
}

.gnav-ul .top-menu h4 a {
    color: #3b82f6;
    font-weight: 600;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.gnav-ul .top-menu h4 a:hover {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* サブメニューのスタイリング */
.sub-menu {
    background: var(--color-gradient-card);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(107, 114, 128, 0.1);
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs);
}

.sub-menu li a {
    color: #3b82f6;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.sub-menu li a:hover {
    background: #dbeafe;
    color: #1e40af;
    transform: translateX(4px);
}

/* フッター
--------------------------------------------------------- */
footer.wrapper {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: right;
}

footer.wrapper .flex {
    display: flex;
    justify-content: end;
}

/** サイドバー共通
--------------------------------------------------------- */
.side-bar .widget {
    margin-right: 0.5rem;
    margin-bottom: 2rem;
    background: var(--color-gradient-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px var(--color-shadow-light), 0 2px 8px var(--color-shadow-medium);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}


.side-bar .widget .widget-title h4 {
    background: linear-gradient(135deg, #7dd3fc 0%, #3b82f6 100%);
    font-size: var(--font-size-md);
    color: white;
    padding: var(--spacing-md);
    margin-bottom: 0;
    text-align: left;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.side-bar .profile {
    text-align: center;
}

.side-bar .profile .description {
    line-height: 1.5rem;
    padding: var(--spacing-sm);
}

.side-bar .profile img {
    width: 40%;
}

.side-bar .tag-list ul {
    padding: 8px;
    display: flex;
    flex-wrap: wrap;
}

/* 上記で既に新しいスタイルを定義済み */

.side-bar .tag-list li {
    padding: 8px 12px;
    border-radius: 20px;
    margin-right: 8px;
    margin-bottom: 8px;
    z-index: 4;
    opacity: 0.9;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.side-bar .tag-list li:hover {
    opacity: 1;
}

/* index.php
--------------------------------------------------------- */

/*カード型リスト*/
.cards-wrapper {
    display: flex;
    flex-wrap: wrap;
}

.card-wrapper {
    width: 100%;
    background: var(--color-gradient-card);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 12px 24px var(--color-shadow-light), 0 4px 8px var(--color-shadow-medium);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(15px);
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.card-wrapper:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px var(--color-shadow-medium), 0 12px 24px var(--color-shadow-colored);
}

.card-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary), var(--color-accent-tertiary));
    z-index: 1;
}

.card-wrapper .post-title h4 {
    overflow-wrap: break-word;
}

.card-wrapper .post-title .post-time {
    text-align: right;
    padding: 6px 1px 6px 1px;
}

.card-wrapper .post-thumbnail img {
    width: 100%;
    max-height: 200px;
}

.card-wrapper .tag-list {
    padding: 8px;
    display: flex;
    flex-wrap: wrap;
}

/* 上記で既に新しいスタイルを定義済み */

.card-wrapper .tag-list li {
    padding: 6px 12px;
    border-radius: 16px;
    margin-right: 6px;
    margin-bottom: 6px;
    z-index: 4;
    font-weight: 500;
    font-size: 0.8rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.card-wrapper .tag-list li:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.card-wrapper h4 {
    padding: 0.8rem 2px;
    font-size: var(--font-size-md);
}

.overlink {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-indent: -999px;
    z-index: 2;
}

/* single.php Body
--------------------------------------------------------- */

.article-text {
    line-height: 1.8;
    padding: var(--spacing-lg);
    font-size: var(--font-size-base);
    background: var(--color-gradient-card);
    border-radius: 20px;
    margin: var(--spacing-lg) 0;
    box-shadow: 0 8px 32px var(--color-shadow-light);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.article-title, .article-text h1 {
    padding: var(--spacing-lg);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.article-text h2 {
    font-size: var(--font-size-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    color: white;
    background: linear-gradient(135deg, #7dd3fc 0%, #3b82f6 100%);
    border-radius: 12px;
    margin: var(--spacing-lg) 0;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.article-text h2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.article-text h2:hover::before {
    transform: translateX(100%);
}

.article-text h3 {
    font-size: var(--font-size-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 8px;
    border-left: 4px solid #9ca3af;
    box-shadow: 0 2px 8px var(--color-shadow-light);
    font-weight: 500;
    color: var(--color-text-primary);
    transition: all 0.3s ease;
}

.article-text h3:hover {
    transform: translateX(8px);
    border-left-width: 6px;
    border-left-color: #6b7280;
    box-shadow: 0 4px 12px var(--color-shadow-medium);
}

/* 
.article-text h3:after {
    content: "";
    display: block;
    height: 1.5px;

    background: #dfdfdf;
} */

.article-text h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.5rem;
    margin-top: var(--spacing-md);
    color: #6b7280;
    padding-left: var(--spacing-sm);
    border-left: 3px solid #d1d5db;
    transition: all 0.3s ease;
}

.article-text h4:hover {
    color: #4b5563;
    border-left-color: #9ca3af;
    transform: translateX(4px);
}


*/ ul li:before {
    font-family: "Font Awesome 5 Free";
    content: "\f00c";
    position: absolute;
    left: 1em;
    /*左端からのアイコンまで*/
    color: var(--color-accent-blue);
    /*アイコン色*/
}


#article-index i {
    color: var(--color-accent-orange);
    font-size: var(--font-size-lg);
}

#article-index a {
    padding-left: 4px;
    color: var(--color-text-primary);
    text-decoration: none;
}


.article-text a {
    color: var(--color-link);
    text-decoration: underline;
    text-decoration-color: var(--color-link);
}

.article-text ul.dot, .article-text ol.dot {
    border: dotted #1e366a 1px;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 2em;
}

.article-text ul.solid, .article-text ol.solid {
    border: solid var(--color-accent-orange) 2px;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 1.5em;
    margin: var(--spacing-20px) var(--spacing-20px) 30px 8px;
}

.article-text ul.default, .article-text ol.default {
    list-style: disc;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 1.5em;
    margin: var(--spacing-20px) var(--spacing-20px) 30px 8px;
}

.article-text ul, .article-text ol {
    padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-sm) 1.5em;
}

.article-text ul ul, .article-text ol ol {
    padding-left: 1.5em;
}


.article-text ol {
    list-style-type: decimal;
}

.article-text blockquote {
    position: relative;
    padding: 0px 10px 5px 40px;
    box-sizing: border-box;
    font-style: italic;
    color: var(--color-text-tertiary);
    background: #ecececa0;
}

.article-text blockquote:before {
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;
    width: 32px;
    height: 30px;
    text-align: center;
    content: "\f10d";
    font-family: FontAwesome;
    color: #FFF;
    font-size: 18px;
    line-height: 30px;
    background: rgba(198, 198, 198, 0.752);
    font-weight: 900;
}

.article-text blockquote p {
    position: relative;
    padding: 0;
    margin: 10px 0;
    z-index: 3;
    line-height: 1.7;
}

.article-text blockquote cite {
    display: block;
    text-align: right;
    color: #888888;
    font-size: var(--font-size-sm);
}


.article-text img.mh-300 {
    max-height: 300px;
}

.article-text img.mh-350 {
    max-height: 350px;
}

.article-text img.mh-400 {
    max-height: 400px;
}

.article-text img.mh-450 {
    max-height: 400px;
}

.article-text img.mh-500 {
    max-height: 500px;
}


.article-text .red {
    color: red;
}

.article-text .blue-line {
    background: linear-gradient(transparent 60%, #cce5ff 0%)
}

.article-text .yellow-line {
    background: linear-gradient(transparent 60%, #ffffbc 0%)
}

.article-text .pink-line {
    background: linear-gradient(transparent 60%, #FFDFEF 0%)
}

/* タブメニュー */
.article-text .tab_menu {
    padding: 2px 15px;
    font-size: 12px;
    text-align: center;
    color: #000;
    border-bottom: 3px solid #1f71b5;
    background-color: #d9d9d9;
    float: left;
    text-align: center;
    font-weight: bold;
    transition: all 0.2s ease;
}

.article-text .tab_menu:hover {
    opacity: 0.75;
}

/*ラジオボタンを全て消す*/
.article-text input[name^="tab_menu"] {
    display: none;
}

/*タブ切り替えの中身のスタイル*/
.article-text .tab_contents {
    display: none;
    clear: both;
    overflow: hidden;
    transition: 0.5s opacity;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);
}

.article-text .tab_contents pre {
    margin: 0%;
}

/*選択されているタブを表示*/
#menu01:checked~#menu01,
#menu02:checked~#menu02,
#menu03:checked~#menu03,
#menu04:checked~#menu04,
#menu05:checked~#menu05,
#menu06:checked~#menu06,
#menu07:checked~#menu07,
#menu08:checked~#menu08,
#menu09:checked~#menu09,
#menu10:checked~#menu10,
#menu11:checked~#menu11,
#menu12:checked~#menu12,
#menu13:checked~#menu13,
#menu14:checked~#menu14,
#menu15:checked~#menu15,
#menu16:checked~#menu16,
#menu17:checked~#menu17,
#menu18:checked~#menu18,
#menu19:checked~#menu19,
#menu20:checked~#menu20 {
    display: block;
}

/*選択されているタブのスタイル*/
.tab input:checked+.tab_menu {
    background-color: #1f71b5;
    color: #fff;
}

/* 404ページ
--------------------------------------------------------- */
.error-page {
    width: 100%;
    text-align: center;
    color: var(--color-text-primary);
}

.error-page h1 {
    font-weight: bold;
    background: -webkit-linear-gradient(-45deg, #71b7e6, #69a6ce, #b98acc, #ee8176);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.error-page h3 {
    font-weight: bold;
    background: -webkit-linear-gradient(-45deg, #71b7e6, #69a6ce, #b98acc, #ee8176);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}



/* 599px以下に適用されるCSS（スマホ用） */
@media screen and (max-width: 599px) {

    /* ヘッダー
    --------------------------------------------------------- */
    header.wrapper {
        padding: var(--padding-header);
        text-align: center;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    header .title {
        font-size: var(--font-size-xxl);
    }

    header .menu-btn {
        display: flex;
        height: 60px;
        width: 60px;
        justify-content: center;
        align-items: center;
        z-index: 10;
        background: linear-gradient(135deg, #7dd3fc 0%, #3b82f6 100%);
        border-radius: 50%;
        box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
        transition: all 0.3s ease;
    }

    header .menu-btn span,
    header .menu-btn span:before,
    header .menu-btn span:after {
        content: '';
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background-color: #ffffff;
        position: absolute;
    }

    header .menu-btn span:before {
        bottom: 8px;
    }

    header .menu-btn span:after {
        top: 8px;
    }

    header nav#gnav, header .menu-margin {
        display: none;
    }

    header #menu-btn-check:checked~nav#gnav {
        z-index: 15;
        display: block;
        position: fixed;
        top: 0;
        left: 15%;
        width: 85%;
        height: 100vh;
        background: var(--color-gradient-card);
        backdrop-filter: blur(10px);
        border-radius: 0;
        box-shadow: none;
        margin-top: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* メニューが開いている時の背景スクロール防止 */
    header #menu-btn-check:checked ~ * {
        overflow: hidden;
    }
    
    body:has(header #menu-btn-check:checked) {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }

    header .menu-btn-close {
        position: fixed;
        display: flex;
        justify-content: center;
        align-items: center;
        right: 10px;
        top: 10px;
        height: 60px;
        width: 60px;
        background: linear-gradient(135deg, #7dd3fc 0%, #3b82f6 100%);
        border-radius: 50%;
        box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
        transition: all 0.3s ease;
    }

    header .menu-btn-close span,
    header .menu-btn-close span:before,
    header .menu-btn-close span:after {
        content: '';
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background-color: #ffffff;
        position: absolute;
    }

    header .menu-btn-close span {
        background: transparent;
    }

    header .menu-btn-close span:before {
        transform: rotate(45deg);
    }

    header .menu-btn-close span:after {
        transform: rotate(-45deg);
    }

    header #menu-btn-check:checked~.menu-margin {
        z-index: 10;
        display: block;
        position: fixed;
        top: 0;
        width: 15%;
        right: 85%;
        height: 100vh;
        background-color: rgb(0, 0, 0);
        opacity: 0.6;
    }

    header .gnav-ul {
        margin-top: 80px;
        text-align: start;
        display: block;
        padding: var(--spacing-md);
        gap: 0;
    }

    header .gnav-container li {
        display: block;
        width: 100%;
        font-size: var(--font-size-md);
        line-height: 2.5rem;
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    }

    header .gnav-container li ul li {
        padding-left: 30px;
    }

    header .gnav-container li a {
        display: block;
        color: #3b82f6;
        font-weight: 600;
        padding: var(--spacing-sm);
        border-radius: 8px;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    /* body
    --------------------------------------------------------- */
    .main-contents {
        background: var(--color-bg-secondary);
        margin-top: 0.5rem;
        margin-bottom: 1.5rem;
        border-radius: 20px 20px 0 0;
        box-shadow: 0 -4px 20px var(--color-shadow-light);
        padding-top: var(--spacing-md);
    }


    .card-wrapper {
        margin: var(--spacing-md) var(--spacing-10px) var(--spacing-lg) var(--spacing-10px);
        padding: var(--spacing-md);
        text-align: start;
        border-radius: 16px;
        position: relative;
        background: var(--color-bg-secondary);
        box-shadow: 0 4px 20px var(--color-shadow-light);
        border: 1px solid rgba(52, 152, 219, 0.1);
        transition: all 0.3s ease;
    }

    .card-wrapper .post-thumbnail {
        display: block;
        height: 120px;
        overflow: hidden;
        border-radius: 12px;
        margin-bottom: var(--spacing-sm);
    }
    
    .card-wrapper .post-thumbnail img {
        width: 100%;
        height: 120px;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    /* サイドバー
    --------------------------------------------------------- */
    .side-bar .profile {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        margin-right: 10px;
        margin-left: 10px;
    }

    .side-bar .tag-list {
        margin-left: auto;
        margin-right: auto;
        margin-right: 10px;
        margin-left: 10px;
    }

    /* 404ページ
--------------------------------------------------------- */
    .error-page {
        padding-top: 25%;
        padding-bottom: 35%;
    }

    .error-page h1 {
        font-size: var(--font-size-3xl);
        margin-bottom: 15px;
    }

    .error-page h3 {
        font-size: var(--font-size-xs);
    }

}


/* タブレット用
--------------------------------------------------------- */
@media screen and (min-width: 600px) and (max-width: 900px) {

    /* ヘッダー
    --------------------------------------------------------- */
    header.wrapper {
        padding: var(--padding-header);
        margin-bottom: 10px;
        text-align: center;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    header .title {
        font-size: var(--font-size-xxl);
    }

    header .menu-btn {
        display: flex;
        height: 60px;
        width: 60px;
        justify-content: center;
        align-items: center;
        z-index: 10;
        background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-tertiary));
        border-radius: 50%;
        box-shadow: 0 4px 16px var(--color-shadow-colored);
        transition: all 0.3s ease;
    }

    header .menu-btn span,
    header .menu-btn span:before,
    header .menu-btn span:after {
        content: '';
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background-color: #ffffff;
        position: absolute;
    }

    header .menu-btn span:before {
        bottom: 8px;
    }

    header .menu-btn span:after {
        top: 8px;
    }

    header nav#gnav, header .menu-margin {
        display: none;
    }


    header #menu-btn-check:checked~nav#gnav {
        z-index: 15;
        display: block;
        position: fixed;
        top: 0;
        left: 15%;
        width: 85%;
        height: 100vh;
        background-color: rgb(241, 242, 245);
    }

    header .menu-btn-close {
        position: fixed;
        display: flex;
        justify-content: center;
        align-items: center;
        right: 10px;
        top: 10px;
        height: 60px;
        width: 60px;
        background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-tertiary));
        border-radius: 50%;
        box-shadow: 0 4px 16px var(--color-shadow-colored);
        transition: all 0.3s ease;
    }

    header .menu-btn-close span,
    header .menu-btn-close span:before,
    header .menu-btn-close span:after {
        content: '';
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background-color: #ffffff;
        position: absolute;
    }

    header .menu-btn-close span {
        background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-tertiary));
        border-radius: 50%;
        box-shadow: 0 4px 16px var(--color-shadow-colored);
        transition: all 0.3s ease;
    }

    header .menu-btn-close span:before {
        transform: rotate(45deg);
    }

    header .menu-btn-close span:after {
        transform: rotate(-45deg);
    }

    header #menu-btn-check:checked~.menu-margin {
        z-index: 10;
        display: block;
        position: fixed;
        top: 0;
        width: 15%;
        right: 85%;
        height: 100vh;
        background-color: rgb(0, 0, 0);
        opacity: 0.6;
    }

    header .gnav-ul {
        margin-top: 70px;
        text-align: start;
    }

    header .gnav-container li {
        display: block;
        width: 100%;
        font-size: var(--font-size-md);
        line-height: 2.5rem;
        padding-left: 10px;
    }

    header .gnav-container li ul li {
        padding-left: 30px;
    }

    header .gnav-container li a {
        display: block;
        border-bottom: solid 1px #b0a7f5;
    }

    /* body
    --------------------------------------------------------- */

    .main-contents {
        background: var(--color-bg-secondary);
        margin-bottom: 2rem;
    }

    .card-wrapper {
        width: calc(100% / 3 - 34px);
        margin: 10px 5px 10px 5px;
        padding: var(--padding-card);
        text-align: center;
        border-radius: 16px;
        position: relative;
        border: solid 2px var(--color-accent-tertiary);
        border-radius: 5px;
    }

    .card-wrapper:hover {
        box-shadow: 0 8px 30px var(--color-shadow-medium);
        transform: translateY(-4px);
        transition-duration: 0.3s;
        border-color: var(--color-accent-primary);
    }

    .card-wrapper .post-thumbnail {
        height: 130px;
    }

    .card-wrapper .post-thumbnail img {
        width: 100%;
        max-height: 130px;
    }

    .side-bar {
        display: flex;
        -webkit-box-align: start;
        -ms-flex-align: start;
        align-items: flex-start;
    }

    .side-bar .profile {
        width: calc((100% -34px) * 0.5);
        margin-left: 5px;
    }

    .side-bar .tag-list {
        width: calc((100% -34px) * 0.5);
        margin-right: 5px;
    }

    /* 404ページ
--------------------------------------------------------- */
    .error-page {
        padding-top: 13%;
        padding-bottom: 13%;
    }

    .error-page h1 {
        font-size: var(--font-size-4xl);
        margin-bottom: 20px;
    }

    .error-page h3 {
        font-size: var(--font-size-base);
    }
}

/* PC(小)用
--------------------------------------------------------- */
@media screen and (min-width: 901px) and (max-width: 1200px) {

    /* ヘッダー
    --------------------------------------------------------- */
    header.wrapper {
        padding: 30px 0px 15px 0px;
        text-align: center;
        display: flex;
        justify-content: space-between;
    }

    header .title {
        margin-left: 10px;
        line-height: 3rem;
        font-size: var(--font-size-2xl);
    }

    header nav {
        margin-right: calc(5%);
    }

    .gnav-ul {
        display: flex;
    }

    .gnav-ul li a {
        display: block;
        width: 100px;
        padding: 1rem 0.5rem 1rem 0.5rem;
    }

    .gnav-ul li a.has-child {
        display: block;
        width: 108px;
        padding: 1rem 0.25rem 1rem 0.25rem;
    }


    .gnav-ul li ul {
        display: none;
        z-index: 4;
    }

    .gnav-ul li ul li a {
        width: 108px;
        padding: 1rem 0.25rem 1rem 0.25rem;
    }

    .gnav-ul li:hover, .gnav-ul li:hover ul {
        background: rgb(228, 232, 245);
    }

    .gnav-ul li:hover .sub-menu li:hover {
        background: rgb(203, 206, 217);
    }

    .gnav-ul li:hover ul {
        display: block;
        position: absolute;
    }

    /* body
    --------------------------------------------------------- */
    .body-wrapper {
        display: flex;
        justify-content: end;
    }

    .main-contents {
        background: var(--color-bg-secondary);
        margin-left: 2rem;
        margin-right: 2rem;
        width: 70%;
        border-radius: 20px;
        box-shadow: 0 4px 20px var(--color-shadow-light);
        padding: var(--spacing-md);
    }

    /* サイドバー*/
    .side-bar {
        width: 20%;
    }

    .side-bar .widget {
        margin-right: 0.5rem;
    }

    .side-bar .profile .description {
        font-size: small;
        line-height: 1.2rem;
        padding: var(--spacing-sm);
    }

    .card-wrapper {
        width: calc(30% - 8px);
        margin: 4px;
        padding: var(--padding-card);
        text-align: center;
        border-radius: 16px;
        position: relative;
        background: var(--color-bg-secondary);
        box-shadow: 0 4px 15px var(--color-shadow-light);
        border: 1px solid rgba(52, 152, 219, 0.1);
        transition: all 0.3s ease;
    }

    .card-wrapper:hover {
        box-shadow: 0 8px 30px var(--color-shadow-medium);
        transform: translateY(-4px);
        transition-duration: 0.3s;
        border-color: var(--color-accent-primary);
    }

    .card-wrapper h4 {
        font-size: var(--font-size-base);
    }

    /* 404ページ
--------------------------------------------------------- */
    .error-page {
        padding-top: 12%;
        padding-bottom: 12%;
    }

    .error-page h1 {
        font-size: var(--font-size-5xl);
        margin-bottom: 30px;
    }

    .error-page h3 {
        font-size: var(--font-size-xxl);
    }

}

/* PC(大)用
--------------------------------------------------------- */
@media screen and (min-width: 1201px) {

    /* ヘッダー
    --------------------------------------------------------- */
    header.wrapper {
        padding: 30px 0px 20px 0px;
        text-align: center;
        display: flex;
        justify-content: space-between;
    }

    header .title {
        margin-left: calc(5%);
        line-height: 3rem;
        font-size: var(--font-size-2xl);
    }

    header nav {
        margin-right: calc(5%);
        z-index: 4;
    }

    .gnav-ul {
        display: flex;
        z-index: 4;
    }

    .gnav-ul li a {
        display: block;
        width: 100px;
        padding: 1rem 0.5rem 1rem 0.5rem;
    }

    .gnav-ul li a.has-child {
        display: block;
        width: 108px;
        padding: 1rem 0.25rem 1rem 0.25rem;
    }


    .gnav-ul li ul {
        display: none;
        z-index: 4;
    }

    .gnav-ul li ul li a {
        width: 108px;
        padding: 1rem 0.25rem 1rem 0.25rem;
    }

    .gnav-ul li:hover, .gnav-ul li:hover ul {
        background: rgb(228, 232, 245);
    }

    .gnav-ul li:hover .sub-menu li:hover {
        background: rgb(203, 206, 217);
    }

    .gnav-ul li:hover ul {
        display: block;
        position: absolute;
    }

    /* body
    --------------------------------------------------------- */
    .body-wrapper {
        display: flex;
        justify-content: end;
    }

    .main-contents {
        background: var(--color-bg-secondary);
        margin-left: 20px;
        margin-right: 30px;
        width: 70%;
        border-radius: 20px;
        box-shadow: 0 4px 20px var(--color-shadow-light);
        padding: var(--spacing-md);
    }

    /* サイドバー*/
    .side-bar {
        width: 20%;
    }

    .card-wrapper {
        width: calc(30% - 8px);
        margin: 4px;
        padding: var(--padding-card);
        text-align: center;
        border-radius: 16px;
        position: relative;
        background: var(--color-bg-secondary);
        box-shadow: 0 4px 15px var(--color-shadow-light);
        border: 1px solid rgba(52, 152, 219, 0.1);
        transition: all 0.3s ease;
    }

    .card-wrapper:hover {
        box-shadow: 0 8px 30px var(--color-shadow-medium);
        transform: translateY(-4px);
        transition-duration: 0.3s;
        border-color: var(--color-accent-primary);
    }

    /* 404ページ
--------------------------------------------------------- */
    .error-page {
        padding-top: 10%;
        padding-bottom: 10%;
    }

    .error-page h1 {
        font-size: var(--font-size-5xl);
        margin-bottom: 30px;
    }

    .error-page h3 {
        font-size: var(--font-size-xxl);
    }
}