/*
Theme Name: W-D-P Original Theme
Theme URI: https://w-d-p.net/
Author: Hitonowa
Author URI: https://hitonowa.net/
Description: https://hitonowa.net/profile/ のヘッダー・フッターデザインをベースにしたw-d-p.net用オリジナルテーマ。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: wdp-original
*/

/* ==========================================================================
   Base Styles（hitonowa.net/profile/ より移植）
   ========================================================================== */
:root {
    --primary-blue: #1A365D;
    --light-blue: #F5F6F7;
    --text-color: #333;
    --accent-gold: #d4af37;
    --link-color: #111827;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    margin: 0;
    padding: 0;
    background-color: #fff;
}

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

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 20px;
}

.shippori {
    font-family: 'Shippori Mincho', serif;
}

/* リンクは青色を使わず、黒色テキスト＋黒色アンダーラインで明示する */
a {
    color: var(--link-color);
    text-decoration: underline;
    text-decoration-color: var(--link-color);
}

section {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 20px 40px;
    background-color: var(--accent-gold);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 18px 40px;
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: #fff;
}

.btn:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

/* ==========================================================================
   サイトヘッダー（ロゴ＋ナビ）
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.site-header-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: inline-flex;
    align-items: center;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.site-nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
}

.site-nav-list a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
}

.site-nav-list a:hover {
    color: var(--primary-blue);
}

.blog-banner {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background-color: var(--primary-blue);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: bold;
    transition: opacity 0.3s;
}

.blog-banner:hover {
    opacity: 0.85;
}

/* ハンバーガーボタン（スマホのみ表示） */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--primary-blue);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
    opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 900;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .site-nav {
        position: fixed;
        z-index: 950;
        top: 0;
        right: 0;
        height: 100vh;
        width: 260px;
        max-width: 80vw;
        margin: 0;
        padding: 90px 30px 30px;
        background-color: #fff;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .site-nav.is-open {
        transform: translateX(0);
    }

    .site-nav-list {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
    }

    .site-nav-list li {
        width: 100%;
        border-bottom: 1px solid #eee;
    }

    .site-nav-list a {
        display: block;
        padding: 16px 0;
    }

    .site-nav-banner {
        width: 100%;
        margin-top: 40px;
    }

    .blog-banner {
        display: flex;
        justify-content: center;
        width: 100%;
        padding: 14px 0;
        border-radius: 8px;
        font-size: 1rem;
    }

    body.nav-open .nav-overlay {
        display: block;
    }
}

/* ==========================================================================
   グローバルカテゴリーメニュー（ヘッダー直下／固定ヘッダー分のオフセットもここで確保）
   ========================================================================== */
.category-nav {
    background-color: var(--light-blue);
    padding: 95px 20px 20px;
    text-align: center;
}

.category-nav-list {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    list-style: none;
    padding: 0;
}

.category-nav-list a {
    display: inline-block;
    padding: 6px 18px;
    background-color: #fff;
    border: 1px solid var(--primary-blue);
    border-radius: 20px;
    color: var(--primary-blue);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    transition: background-color 0.3s, color 0.3s;
}

.category-nav-list a:hover,
.category-nav-list a.is-current {
    background-color: var(--primary-blue);
    color: #fff;
}

@media (max-width: 768px) {
    .category-nav {
        padding-top: 85px;
    }
}

/* ==========================================================================
   記事ヘッダー（記事タイトル・投稿日エリア）
   ========================================================================== */
.hero.mini-hero {
    background-color: var(--primary-blue);
    padding: 60px 0;
    color: #fff;
    text-align: center;
}

.hero.mini-hero h1 {
    font-size: 2.2rem;
    letter-spacing: 0.1em;
    margin: 15px 0 0;
}

@media (max-width: 768px) {
    .hero.mini-hero h1 {
        font-size: 1.6rem;
    }
}

/* カテゴリー（ヘッダー下部／記事タイトル上部） */
ul.post-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

ul.post-categories li a {
    display: inline-block;
    padding: 5px 16px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 20px;
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    transition: background-color 0.3s, color 0.3s;
}

ul.post-categories li a:hover {
    background-color: #fff;
    color: var(--primary-blue);
}

.post-meta {
    margin: 15px 0 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   記事本文
   ========================================================================== */
.single-section {
    padding: 0 0 80px;
}

.single-article {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.entry-content {
    line-height: 2;
}

.entry-content p {
    margin: 0 0 1.6em;
}

.entry-content h2 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.6rem;
    color: var(--primary-blue);
    margin: 2.4em 0 1em;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.entry-content h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin: 2em 0 0.8em;
    border-left: 4px solid var(--primary-blue);
    padding-left: 12px;
}

.entry-content img {
    border-radius: 8px;
    margin: 1.5em auto;
}

.entry-content a {
    color: var(--primary-blue);
}

.entry-content blockquote {
    margin: 1.5em 0;
    padding: 20px 25px;
    background-color: var(--light-blue);
    border-left: 4px solid var(--primary-blue);
}

/* タグ（本文下部） */
.post-tags {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px dashed #ccc;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.post-tags .tag-label {
    font-weight: bold;
    color: var(--primary-blue);
    margin-right: 5px;
}

.post-tags a {
    display: inline-block;
    padding: 4px 14px;
    background-color: var(--light-blue);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.8rem;
    transition: background-color 0.3s, color 0.3s;
}

.post-tags a:hover {
    background-color: var(--primary-blue);
    color: #fff;
}

.single-nav {
    max-width: 800px;
    margin: 60px auto 0;
    text-align: center;
}

/* ==========================================================================
   フッター
   ========================================================================== */
footer {
    background: #333;
    color: white;
    padding: 30px 20px;
    text-align: center;
}

.footer-content p {
    margin: 0;
}

.footer-link {
    display: inline-block;
    margin-top: 10px;
    color: #bbb;
    text-decoration: none;
    font-size: 0.85rem;
    border: 1px solid #555;
    padding: 5px 15px;
    border-radius: 20px;
    transition: 0.3s;
}

.footer-link:hover {
    color: #fff;
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}