/*
Theme Name: Kawasaki Adventures
Theme URI: https://kawasaki-adventures.com/
Author: AI Theme Developer
Author URI: https://openai.com/
Description: A travel blog theme for foreign tourists in the Chugoku region of Japan.
Version: 1.0
Requires at least: 6.4
Tested up to: 6.5
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Tags: blog, travel, dark-mode, custom-logo, one-column, two-columns
Text Domain: kawasaki-adventures
*/

/* --- 1. Variables & Base --- */
:root {
    --color-bg: #080808;
    --color-surface: #111111;
    --color-card: #141414;
    --color-card-teal: #0d2a26;
    --color-card-green: #1a2d10;
    --color-card-warm: #2a1a0a;
    --color-accent: #4ecdc4;
    --color-accent-dim: rgba(78,205,196,0.08);
    --color-text: #ffffff;
    --color-text-muted: #999999;
    --color-text-dim: #666666;
    --color-border: rgba(255,255,255,0.08);
    --color-overlay: rgba(0,0,0,0.55);
    --font-en: 'DM Sans', sans-serif;
    --font-jp: 'Noto Sans JP', sans-serif;
    --max-width: 1200px;
    --radius-lg: 20px;
    --radius-sm: 8px;
    --radius-pill: 9999px;
    --transition: 0.3s ease;
}

body.light {
    --color-bg: #f9f9f9;
    --color-surface: #ffffff;
    --color-card: #ffffff;
    --color-card-teal: #e1f7f5;
    --color-card-green: #e6f3e0;
    --color-card-warm: #f7e6d6;
    --color-text: #111111;
    --color-text-muted: #666666;
    --color-text-dim: #999999;
    --color-border: rgba(0,0,0,0.08);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-en);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 0.5em;
    font-weight: 700;
}
h1 { font-size: 3.052rem; }
h2 { font-size: 2.441rem; }
h3 { font-size: 1.953rem; }
h4 { font-size: 1.563rem; }
h5 { font-size: 1.25rem; }

p { margin-bottom: 1em; }
a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }
a:hover { opacity: 0.8; }
img { max-width: 100%; height: auto; display: block; }

.jp-only { display: none; }
body[data-lang="jp"] .jp-only { display: initial; }
body[data-lang="jp"] .en-only { display: none; }

.container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 40px;
    padding-right: 40px;
}

.section {
    padding-top: 80px;
    padding-bottom: 80px;
}

/* --- 2. Buttons & Forms --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}
.btn-primary {
    background-color: var(--color-accent);
    color: #000;
}
.btn-primary:hover {
    background-color: var(--color-text);
}
.btn-ghost {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-ghost:hover {
    background-color: var(--color-accent);
    color: #000;
    border-color: var(--color-accent);
}
.btn-book {
    width: 100%;
    padding: 16px;
    background-color: var(--color-accent);
    color: #000;
    font-size: 1.1rem;
}
.btn-book:hover {
    opacity: 0.9;
}

/* --- 3. Header & Navigation --- */
.nav {
    position: fixed;
    top: 20px;
    left: 20px;
    right: 20px;
    z-index: 1000;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    padding: 10px 10px 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}
.nav.scrolled {
    top: 0;
    left: 0;
    right: 0;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    border-top: 0;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}
.nav-logo-mark {
    width: 36px;
    height: 36px;
    background-color: var(--color-accent);
    border-radius: var(--radius-sm);
}
.nav-links { display: none; }
.nav-right { display: flex; align-items: center; gap: 8px; }
.nav-cta { display: none; }

.lang-toggle { display: flex; background: var(--color-bg); border-radius: var(--radius-pill); }
.lang-btn {
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: var(--radius-pill);
    font-weight: 700;
    transition: var(--transition);
}
.lang-btn.active {
    background-color: var(--color-accent);
    color: #000;
}

.theme-btn {
    width: 50px;
    height: 26px;
    background-color: var(--color-bg);
    border-radius: var(--radius-pill);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}
.theme-btn-knob {
    width: 18px;
    height: 18px;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    transition: var(--transition);
}
body.light .theme-btn-knob {
    transform: translateX(24px);
    background-color: var(--color-accent);
}

.nav-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    height: 24px;
    cursor: pointer;
    background: transparent;
    border: none;
    margin-left: 8px;
}
.nav-hamburger span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100%;
    background-color: var(--color-surface);
    z-index: 999;
    padding: 100px 40px;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}
.mobile-nav.is-open { right: 0; }
.mobile-nav .menu {
    list-style: none;
    text-align: center;
}
.mobile-nav .menu li { margin-bottom: 20px; }
.mobile-nav .menu a { font-size: 1.5rem; color: var(--color-text); font-weight: 700; }

/* --- 4. Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 100px 20px 40px;
    overflow: hidden;
}
.hero-photo {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, var(--color-bg) 0%, rgba(8,8,8,0.5) 50%, transparent 100%);
    z-index: -1;
}
.hero-content {
    max-width: 800px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-accent-dim);
    color: var(--color-accent);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    border: 1px solid rgba(78,205,196,0.3);
}
.hero-badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}
.hero-title {
    font-size: clamp(2.5rem, 10vw, 5rem);
    margin: 20px 0;
    color: var(--color-text);
}
.hero-title-sub { color: var(--color-accent); }
.hero-sub {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 30px;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}
.hero-scroll {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 50px;
    background-color: var(--color-border);
}
.hero-scroll::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background-color: var(--color-accent);
    animation: scroll-indicator 2s infinite ease-in-out;
}
@keyframes scroll-indicator {
    0% { transform: translateY(0); }
    50% { transform: translateY(30px); }
    100% { transform: translateY(0); }
}

/* --- 5. Content Sections --- */
/* Region Pills */
.region-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: -30px;
    position: relative;
    z-index: 10;
}
.region-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    background-color: var(--color-card);
    padding: 12px 20px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    cursor: pointer;
}
.region-pill:hover {
    transform: translateY(-4px);
    background-color: var(--color-surface);
}
.region-pill-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-accent);
}
.region-pill-name { font-weight: 700; color: var(--color-text); }
.region-pill-en { color: var(--color-text-muted); margin-left: 4px; }
.hiroshima .region-pill-dot { background-color: #e54b4b; }
.okayama .region-pill-dot { background-color: #ff8c00; }
.shimane .region-pill-dot { background-color: #4682b4; }
.yamaguchi .region-pill-dot { background-color: #3cb371; }
.tottori .region-pill-dot { background-color: #dda0dd; }

/* Stats Band */
.stats-band {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}
.stats-num {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
}
.stats-lbl {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
}

/* Destination Cards */
.dest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.dest-card {
    position: relative;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: var(--color-text);
    transition: var(--transition);
}
.dest-card:hover { transform: translateY(-8px); }
.dest-photo {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
    transition: transform 0.4s ease;
}
.dest-card:hover .dest-photo { transform: scale(1.05); }
.dest-scrim {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    z-index: -1;
}
.dest-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}
.dest-name { font-size: 1.5rem; font-weight: 700; }
.dest-name-en { font-size: 1rem; color: var(--color-text-muted); }
.dest-count {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--color-accent-dim);
    color: var(--color-accent);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 700;
}

/* Featured Tour */
.feat-tour {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    background-color: var(--color-card-teal);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.feat-tour-photo {
    height: 300px;
    width: 100%;
    object-fit: cover;
}
.feat-tour-content {
    padding: 40px;
}
.feat-tour-title { font-size: 2.2rem; }
.feat-tour-sub { color: var(--color-text-muted); font-size: 1.1rem; margin-bottom: 24px; }
.fchip-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.fchip {
    padding: 8px 16px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    font-weight: 700;
}

/* Feature Cards */
.feat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.feat-card {
    background-color: var(--color-card);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.feat-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feat-card h4 { margin-bottom: 8px; color: var(--color-text); }
.feat-card p { color: var(--color-text-muted); margin: 0; }

/* Blog Section */
.blog-grid-featured { display: grid; grid-template-columns: 1fr; gap: 30px; }
.blog-featured {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.blog-feat-photo { width: 100%; height: 250px; object-fit: cover; }
.blog-feat-body { padding: 30px; }
.blog-card {
    background-color: var(--color-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.blog-card:hover { transform: translateY(-5px); }
.blog-thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.blog-card-content { padding: 24px; }
.blog-cat {
    display: inline-block;
    padding: 4px 12px;
    background-color: var(--color-accent-dim);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-pill);
    margin-bottom: 12px;
}
.blog-title {
    font-size: 1.25rem;
    color: var(--color-text);
    margin: 0;
}
.blog-meta {
    font-size: 0.9rem;
    color: var(--color-text-dim);
    margin: 12px 0;
}
.blog-excerpt {
    color: var(--color-text-muted);
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* Tour Cards */
.tours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.tour-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.tc-thumb {
    width: 100%;
    height: 220px;
    object-fit: cover;
}
.tc-body { padding: 24px; flex-grow: 1; }
.tc-region {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}
.tc-name {
    font-size: 1.4rem;
    margin-bottom: 4px;
}
.tc-name-sub {
    color: var(--color-text-muted);
    font-weight: 400;
}
.tc-desc {
    color: var(--color-text-muted);
    margin-top: 16px;
}
.tc-footer {
    padding: 24px;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface);
}
.tour-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.t-stat { text-align: left; }
.t-stat-val { font-size: 1.2rem; font-weight: 700; }
.t-stat-lbl { font-size: 0.9rem; color: var(--color-text-muted); }
.tc-price { text-align: right; }
.tc-price-label { font-size: 0.9rem; color: var(--color-text-muted); }
.tc-price-val { font-size: 1.5rem; font-weight: 700; }

/* Testimonials */
.testi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.testi-card {
    background-color: var(--color-card);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.testi-text {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-style: italic;
}
.testi-stars { color: #f39c12; letter-spacing: 2px; }
.testi-author { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.testi-av { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.testi-name { font-weight: 700; margin: 0; }
.testi-from { font-size: 0.9rem; color: var(--color-text-dim); }

/* Marquee */
.marquee-wrap {
    width: 100%;
    overflow: hidden;
    padding: 30px 0;
    background-color: var(--color-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
.marquee-track {
    display: flex;
    gap: 60px;
    animation: marquee 40s linear infinite;
    width: max-content;
}
.marquee-item {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 16px;
}
@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* CTA */
.cta-section {
    background-color: var(--color-card-green);
    padding: 60px 40px;
    border-radius: var(--radius-lg);
    text-align: center;
}
.cta-h { font-size: 2.5rem; }
.cta-p { color: var(--color-text-muted); max-width: 600px; margin: 0 auto 30px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; }

/* --- 6. Single/Detail Page --- */
.detail-hero {
    height: 60vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
}
.detail-hero-photo {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; z-index: -2;
}
.detail-hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--color-overlay); z-index: -1;
}
.detail-title {
    font-size: clamp(2rem, 8vw, 4rem);
    max-width: 900px;
}
.detail-tagline {
    font-size: 1.2rem;
    color: var(--color-text-muted);
}
.detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    margin-top: 60px;
}
.detail-body h2, .detail-body h3 {
    margin-top: 2em;
}
.detail-body p, .detail-body li {
    color: var(--color-text-muted);
}
.detail-body img {
    border-radius: var(--radius-lg);
    margin: 30px 0;
}
.detail-sidebar .widget {
    background: var(--color-card);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: 30px;
}
.detail-sidebar .widget-title {
    font-size: 1.25rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

/* --- 7. About Page --- */
.about-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}
.about-photo {
    border-radius: var(--radius-lg);
    height: 400px;
    object-fit: cover;
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}
.team-card {
    text-align: center;
    background: var(--color-card);
    padding: 30px;
    border-radius: var(--radius-lg);
}
.team-av {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    border: 4px solid var(--color-border);
}
.team-name { font-size: 1.4rem; }
.team-role { color: var(--color-accent); margin-top: -10px; }
.team-desc { font-size: 0.9rem; color: var(--color-text-muted); }

/* --- 8. Footer --- */
.footer {
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    padding-top: 80px;
}
.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    padding-bottom: 60px;
}
.footer-brand .nav-logo {
    margin-bottom: 20px;
}
.footer-col h4 {
    color: var(--color-text);
    font-size: 1.1rem;
    margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- 9. Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.fd2 { transition-delay: 0.2s; }
.fd3 { transition-delay: 0.4s; }

/* --- 10. Responsive --- */
@media (max-width: 767px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .section { padding: 60px 0; }
    h1 { font-size: 2.4rem; }
    h2 { font-size: 2rem; }
    .hero-actions { flex-direction: column; }
    .nav { top: 10px; left: 10px; right: 10px; }
}

@media (min-width: 768px) {
    .blog-featured {
        grid-template-columns: 1fr 1fr;
    }
    .blog-feat-photo { height: 100%; }
    .blog-grid-featured {
        grid-template-columns: 2fr 1fr;
    }
    .feat-tour {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    .feat-tour-photo { height: 100%; }
    .detail-layout {
        grid-template-columns: 2fr 1fr;
    }
    .about-split { grid-template-columns: 1fr 1fr; }
    .about-split.reverse .about-photo { order: 1; }
}

@media (min-width: 1024px) {
    .nav-hamburger, .mobile-nav { display: none; }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 30px;
    }
    .nav-links ul {
        display: flex;
        gap: 30px;
        list-style: none;
    }
    .nav-links a {
        color: var(--color-text-muted);
        font-weight: 700;
        position: relative;
    }
    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--color-accent);
        transition: var(--transition);
    }
    .nav-links a:hover, .nav-links .current-menu-item a { color: var(--color-text); }
    .nav-links a:hover::after, .nav-links .current-menu-item a::after { width: 100%; }
    .nav-cta { display: inline-block; }
}

/* --- Nav Dropdown --- */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 0;
    min-width: 180px;
    z-index: 200;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--color-text-muted) !important;
    font-size: .9rem;
    transition: var(--transition);
}
.nav-dropdown-item:hover { color: var(--color-accent) !important; background: var(--color-card); }
.nav-arrow { font-size: .7rem; margin-left: 4px; }

/* --- Article Body (single.php) --- */
.detail-body { font-size: 1.05rem; line-height: 1.85; }
.detail-body h2 {
    font-size: clamp(1.35rem, 2.5vw, 1.7rem);
    color: var(--color-text);
    margin: 2.5em 0 .75em;
    padding-bottom: .4em;
    border-bottom: 2px solid var(--color-accent);
}
.detail-body h3 {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text);
    margin: 2em 0 .6em;
}
.detail-body p { color: var(--color-text-muted); margin-bottom: 1.25em; }
.detail-body ul, .detail-body ol { margin: 1em 0 1.25em 1.5em; }
.detail-body li { color: var(--color-text-muted); margin-bottom: .5em; }
.detail-body strong { color: var(--color-text); }
.detail-body blockquote {
    border-left: 4px solid var(--color-accent);
    margin: 1.5em 0;
    padding: 1em 1.5em;
    background: var(--color-card);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-muted);
}
.detail-body a { color: var(--color-accent); text-decoration: underline; }
.detail-body a:hover { opacity: .8; }

/* --- Article TOC --- */
.article-toc {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    margin: 2em 0 2.5em;
}
.article-toc summary {
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    color: var(--color-text);
}
.article-toc ol { margin: 1em 0 0 1.2em; }
.article-toc li { margin-bottom: .4em; }
.article-toc a { color: var(--color-accent); text-decoration: none; font-size: .95rem; }
.article-toc a:hover { text-decoration: underline; }

/* --- Article CTA Block --- */
.article-cta {
    background: linear-gradient(135deg, var(--color-surface), var(--color-card));
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    margin: 3em 0;
}
.article-cta h3 { color: var(--color-text); margin-bottom: .5em; }
.article-cta p { color: var(--color-text-muted); margin-bottom: 1.5em; }

/* --- Mobile nav links --- */
.mobile-nav .nav-link {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-weight: 700;
}

/* --- Detail Hero (single.php) --- */
.detail-hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--color-surface);
}
.detail-hero--no-image {
    background: linear-gradient(135deg, #1a3a3a 0%, var(--color-bg) 100%);
    align-items: center;
}
.detail-hero__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.detail-hero__content {
    position: relative;
    z-index: 2;
    padding: 60px 0 40px;
}
.detail-hero__title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.2;
    color: #fff;
    margin: .5em 0 .4em;
}
.detail-hero__meta {
    font-size: .9rem;
    color: rgba(255,255,255,.7);
}
.detail-hero__meta a { color: inherit; }

/* --- TOC Box --- */
.toc-box {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    margin: 0 0 2.5em;
}
.toc-box__title {
    font-size: 1rem;
    color: var(--color-text);
    margin: 0 0 1em;
    padding-bottom: .5em;
    border-bottom: 1px solid var(--color-border);
}
.toc-box__list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.toc-box__list li { margin-bottom: .45em; }
.toc-box__list li::before { display: none; }
.toc-box__list a {
    color: var(--color-accent);
    text-decoration: none;
    font-size: .95rem;
}
.toc-box__list a:hover { text-decoration: underline; }

/* --- End-of-article CTA --- */
.cta-box {
    background: var(--color-card);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    margin: 3em 0;
}
.cta-box__text {
    font-size: 1.15rem;
    color: var(--color-text);
    margin: 0 0 1.25em;
}
.cta-box__button {
    display: inline-block;
    background: var(--color-accent);
    color: #080808;
    padding: .75em 2em;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}
.cta-box__button:hover {
    background: #3bb8b0;
    transform: translateY(-2px);
}

/* --- Sidebar Widget --- */
.sidebar-widget {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 30px;
}
.sidebar-widget__title {
    font-size: 1.1rem;
    color: var(--color-text);
    margin: 0 0 1em;
    padding-bottom: .5em;
    border-bottom: 1px solid var(--color-border);
}

/* --- Viator Widgets & Banners --- */
.sidebar-widget--banner {
    background: transparent;
    border: none;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}
.sidebar-widget--skyscraper { overflow: hidden; }
.viator-banner-article {
    text-align: center;
    margin: 1.5em 0 2em;
    overflow: hidden;
}
.viator-banner-article > div { display: inline-block; }
@media (max-width: 768px) {
    .viator-banner-hide-mobile { display: none; }
}

/* --- Article Readability Improvements --- */
.detail-body { font-size: 1.1rem; line-height: 1.95; }
.detail-body p { color: #c8c8c8; margin-bottom: 1.4em; }
.detail-body li { color: #c8c8c8; line-height: 1.85; }
.detail-body h4 {
    font-size: 1.05rem;
    color: var(--color-text);
    margin: 1.5em 0 .5em;
    font-weight: 700;
    letter-spacing: .02em;
}

/* Fix inline-styled Viator tour boxes in dark theme */
.entry-content div[style*="#f9f9f9"] {
    background: linear-gradient(135deg, var(--color-card-teal), var(--color-card)) !important;
    border-left-color: var(--color-accent) !important;
    border-radius: var(--radius-sm);
    padding: 20px 24px !important;
    margin: 1.75em 0 !important;
}
.entry-content div[style*="#f9f9f9"] strong { color: var(--color-accent); }
.entry-content a[style*="#ff5a5f"] {
    background-color: var(--color-accent) !important;
    color: #080808 !important;
    border-radius: var(--radius-pill) !important;
    padding: 10px 22px !important;
    font-weight: 700;
    margin-top: 12px !important;
    text-decoration: none !important;
    display: inline-block !important;
    transition: var(--transition);
}
.entry-content a[style*="#ff5a5f"]:hover {
    opacity: .85;
    transform: translateY(-2px);
}
body.light .entry-content div[style*="#f9f9f9"] {
    background: #e6faf8 !important;
    border-left-color: var(--color-accent) !important;
}

/* ================================================================
   Region Explorer
   ================================================================ */

.region-explorer { padding-top: 80px; padding-bottom: 80px; }
.explorer-title  { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 12px; }
.explorer-sub    { color: var(--color-text-muted); font-size: 1.1rem; margin-bottom: 40px; }

/* Prefecture Tabs */
.pref-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 16px;
}
.pref-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 20px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}
.pref-tab:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.pref-tab.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #000;
}
.pref-tab__icon { font-size: 1.4rem; }
.pref-tab__label { white-space: nowrap; }

.explorer-count {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 24px;
    min-height: 1.2em;
}

/* Explorer Grid */
.explorer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    min-height: 300px;
    position: relative;
    transition: opacity 0.2s;
}
.explorer-grid.is-loading { opacity: 0.4; }

/* Spinner */
.explorer-spinner {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 40px; height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: ka-spin 0.8s linear infinite;
}
@keyframes ka-spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.explorer-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-muted);
    padding: 60px 0;
}

/* Explorer Cards */
.explorer-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--color-text);
    transition: transform var(--transition), border-color var(--transition);
}
.explorer-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    opacity: 1;
}
.explorer-card__thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--color-surface); }
.explorer-card__img   { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.explorer-card:hover .explorer-card__img { transform: scale(1.04); }
.explorer-card__img--empty { width: 100%; height: 100%; background: var(--color-card-teal); }
.explorer-card__body  { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.explorer-card__title { font-size: 1rem; line-height: 1.4; margin: 0; color: var(--color-text); }
.explorer-card__excerpt { font-size: 0.85rem; color: var(--color-text-muted); flex: 1; margin: 0; }
.explorer-card__date  { font-size: 0.8rem; color: var(--color-text-dim); }

/* Pagination */
.explorer-pagination { margin-top: 40px; }
.pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}
.pager-btn {
    padding: 10px 24px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--color-text);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.pager-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #000;
}
.pager-info { color: var(--color-text-muted); font-size: 0.875rem; }

/* Prefecture quick-nav in archive */
.pref-quicknav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    justify-content: center;
}
.pref-quicknav__item {
    padding: 6px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: var(--transition);
}
.pref-quicknav__item:hover { color: var(--color-accent); border-color: var(--color-accent); opacity: 1; }
.pref-quicknav__item.active { background: var(--color-accent); border-color: var(--color-accent); color: #000; }

/* ================================================================
   Breadcrumbs
   ================================================================ */
.breadcrumbs {
    padding: 100px 40px 12px;
    max-width: var(--max-width);
    margin: 0 auto;
}
.breadcrumbs__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}
.breadcrumbs__item + .breadcrumbs__item::before { content: '/'; margin-right: 6px; opacity: 0.4; }
.breadcrumbs__item a { color: var(--color-text-muted); }
.breadcrumbs__item a:hover { color: var(--color-accent); opacity: 1; }
.breadcrumbs__item--active { color: var(--color-text-dim); }

/* ================================================================
   Related Posts
   ================================================================ */
.related-posts {
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--color-border);
}
.related-posts__title {
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--color-text);
}
.related-posts__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.related-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--color-text);
    transition: transform var(--transition), border-color var(--transition);
}
.related-card:hover { transform: translateY(-3px); border-color: var(--color-accent); opacity: 1; }
.related-card__img   { aspect-ratio: 16/9; width: 100%; object-fit: cover; background: var(--color-surface); }
.related-card__img--empty { aspect-ratio: 16/9; background: var(--color-card-teal); }
.related-card__body  { padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.related-card__title { font-size: 0.9rem; line-height: 1.4; margin: 0; }
.related-card__date  { font-size: 0.75rem; color: var(--color-text-dim); }

/* ================================================================
   Auto Prefecture Link
   ================================================================ */
.auto-pref-link {
    color: var(--color-accent);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}
.auto-pref-link:hover { border-bottom-color: var(--color-accent); opacity: 1; }

/* ================================================================
   Responsive overrides
   ================================================================ */
@media (max-width: 768px) {
    .pref-tabs { gap: 6px; }
    .pref-tab  { padding: 8px 14px; font-size: 0.8rem; }
    .explorer-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
    .related-posts__grid { grid-template-columns: repeat(2, 1fr); }
    .breadcrumbs { padding: 88px 20px 12px; }
}
@media (max-width: 480px) {
    .pref-tab { flex-direction: row; }
    .related-posts__grid { grid-template-columns: 1fr 1fr; }
}