/*
Theme Name: Hanabi
Theme URI: https://hanabi.com
Author: Hanabi Media
Author URI: https://hanabi.com
Description: 花火イベントに特化したオウンドメディアテーマ。日本の夏の夜空を彩る花火の美しさをWebで表現します。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: hanabi
Tags: blog, custom-colors, custom-menu, featured-images, footer-widgets, responsive-layout, right-sidebar, rtl-language-support, theme-options, translation-ready
*/

/* =============================================
   CSS Reset & Base
   ============================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg:          #fdf8f0;
    --color-bg-secondary:#f5ede0;
    --color-surface:     #ffffff;
    --color-surface-2:   #f0e8d8;
    --color-border:      #e0d4c0;
    --color-text:        #2c1810;
    --color-text-muted:  #8a7060;
    --color-primary:     #f5a623;
    --color-primary-dark:#c07d10;
    --color-accent-red:  #e03050;
    --color-accent-blue: #1a7abf;
    --color-accent-green:#1a9a60;
    --color-accent-pink: #d44080;
    --color-gold:        #c08010;
    --font-sans:         'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    --font-serif:        'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
    --radius-sm:         4px;
    --radius-md:         8px;
    --radius-lg:         16px;
    --shadow-sm:         0 2px 8px rgba(0,0,0,0.08);
    --shadow-md:         0 4px 24px rgba(0,0,0,0.12);
    --shadow-glow:       0 0 20px rgba(245,166,35,0.25);
    --transition:        0.3s ease;
    --max-width:         1920px;
    --sidebar-width:     320px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    min-height: 100vh;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-gold);
}

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

/* =============================================
   Layout
   ============================================= */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 80px;
    width: 100%;
}

.content-area {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: clamp(32px, 4vw, 64px);
    padding: clamp(32px, 5vw, 64px) 0;
    align-items: start;
}

.content-area.full-width {
    grid-template-columns: 1fr;
}

/* =============================================
   Header
   ============================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(253, 248, 240, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 24px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Header right: nav + lang switcher */
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* =============================================
   Language Switcher
   ============================================= */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.lang-btn {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    border: 1px solid transparent;
    transition: all var(--transition);
    text-decoration: none;
}

.lang-btn:hover {
    color: var(--color-primary);
    border-color: rgba(245,166,35,0.4);
}

.lang-btn.is-active {
    color: var(--color-primary);
    border-color: rgba(245,166,35,0.5);
    background: rgba(245,166,35,0.1);
}

.lang-sep {
    color: var(--color-border);
    font-size: 0.75rem;
    user-select: none;
}

.site-logo {
    font-size: 1.6rem;
    line-height: 1;
}

.site-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.site-title a {
    color: var(--color-text);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-tagline {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* Navigation */
.primary-nav {
    display: flex;
    align-items: center;
}

.primary-nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    gap: 4px;
}

.primary-nav ul li a {
    display: block;
    padding: 8px 16px;
    color: var(--color-text);
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}

.primary-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
    border-radius: 2px;
}

.primary-nav ul li a:hover {
    color: var(--color-primary);
}

.primary-nav ul li a:hover::after {
    width: 80%;
}

.primary-nav ul li.current-menu-item a {
    color: var(--color-primary);
}

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
}

/* Mobile nav styles are in assets/css/responsive.css */

/* =============================================
   Hero Section
   ============================================= */
.hero-section {
    position: relative;
    min-height: clamp(560px, 75vh, 900px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(180deg, #1a0800 0%, #050520 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 800px 500px at 75% 45%, rgba(245,166,35,0.08) 0%, transparent 70%),
        radial-gradient(ellipse 500px 350px at 15% 65%, rgba(255,77,109,0.06) 0%, transparent 70%),
        radial-gradient(ellipse 400px 300px at 90% 20%, rgba(77,184,255,0.05) 0%, transparent 70%);
}

.fireworks-canvas {
    position: absolute;
    inset: 0;
    opacity: 0.75;
}

/* Two-column hero layout on wide screens */
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: clamp(300px, 40vh, 500px);
}

/* Decorative circle behind fireworks on wide screens */
.hero-visual-circle {
    width: clamp(200px, 30vw, 420px);
    height: clamp(200px, 30vw, 420px);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,166,35,0.07) 0%, rgba(255,77,109,0.05) 40%, transparent 70%);
    border: 1px solid rgba(245,166,35,0.12);
    box-shadow:
        0 0 60px rgba(245,166,35,0.08),
        inset 0 0 60px rgba(255,77,109,0.05);
    animation: hero-pulse 4s ease-in-out infinite;
}

@keyframes hero-pulse {
    0%, 100% { transform: scale(1);   opacity: 0.7; }
    50%       { transform: scale(1.05); opacity: 1; }
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    border: 1px solid rgba(245,166,35,0.4);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 20px;
    background: rgba(245,166,35,0.08);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
}

.hero-title span {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero 内のアウトラインボタンは暗背景に合わせて白系 */
.hero-section .btn-outline {
    color: rgba(255,255,255,0.85);
    border-color: rgba(255,255,255,0.35);
}

.hero-section .btn-outline:hover {
    color: var(--color-primary);
    border-color: rgba(245,166,35,0.6);
    background: rgba(245,166,35,0.1);
}

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #e8942b);
    color: #1a0800;
    box-shadow: 0 4px 16px rgba(245,166,35,0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245,166,35,0.45);
    color: #1a0800;
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(245,166,35,0.08);
}

/* =============================================
   Section Titles
   ============================================= */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    display: block;
    width: 4px;
    height: 1.5em;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent-pink));
    border-radius: 2px;
}

.section-more {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition);
}

.section-more:hover {
    color: var(--color-primary);
}

/* =============================================
   Post Cards
   ============================================= */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(260px, 28%, 380px), 1fr));
    gap: clamp(16px, 2vw, 28px);
}

.posts-grid.featured {
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto;
}

.posts-grid.featured .post-card:first-child {
    grid-row: span 2;
}

/* Responsive overrides in assets/css/responsive.css */

.post-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: rgba(245,166,35,0.5);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12), 0 0 20px rgba(245,166,35,0.15);
}

.post-card-thumbnail {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--color-surface-2);
}

.post-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.post-card:hover .post-card-thumbnail img {
    transform: scale(1.05);
}

.post-card-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--color-surface-2), var(--color-bg-secondary));
}

.post-card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(245,166,35,0.9);
    color: #1a0800;
    backdrop-filter: blur(4px);
}

.post-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.post-card-meta time {
    display: flex;
    align-items: center;
    gap: 4px;
}

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--color-text);
    flex: 1;
}

.post-card-title a {
    color: inherit;
}

.post-card-title a:hover {
    color: var(--color-primary);
}

.post-card-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.posts-grid.featured .post-card:first-child .post-card-title {
    font-size: 1.3rem;
}

.posts-grid.featured .post-card:first-child .post-card-thumbnail {
    aspect-ratio: 16/9;
}

/* =============================================
   Event Cards
   ============================================= */
.event-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.event-card {
    display: flex;
    gap: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition);
    align-items: flex-start;
}

.event-card:hover {
    border-color: rgba(245,166,35,0.3);
    box-shadow: var(--shadow-sm);
}

.event-date-badge {
    flex-shrink: 0;
    width: 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary), #e8942b);
    border-radius: var(--radius-md);
    padding: 8px 4px;
    color: #1a0800;
    font-weight: 700;
}

.event-date-badge .month {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: block;
}

.event-date-badge .day {
    font-size: 1.8rem;
    line-height: 1;
    display: block;
}

.event-info {
    flex: 1;
    min-width: 0;
}

.event-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
    line-height: 1.4;
}

.event-title a {
    color: inherit;
}

.event-title a:hover {
    color: var(--color-primary);
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* =============================================
   Single Post
   ============================================= */
.post-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.post-header-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.post-category-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 20px;
    background: rgba(245,166,35,0.15);
    color: var(--color-primary);
    border: 1px solid rgba(245,166,35,0.3);
}

.post-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.post-title {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 20px;
}

.post-thumbnail {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--color-surface-2);
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Article Content */
.entry-content {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-text);
}

.entry-content h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2.5em 0 1em;
    padding: 12px 16px;
    border-left: 4px solid var(--color-primary);
    background: rgba(245,166,35,0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.entry-content h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    margin: 2em 0 0.8em;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}

.entry-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 1.8em 0 0.6em;
    color: var(--color-primary);
}

.entry-content p {
    margin-bottom: 1.5em;
}

.entry-content ul,
.entry-content ol {
    margin-bottom: 1.5em;
}

.entry-content li {
    margin-bottom: 0.5em;
}

.entry-content blockquote {
    margin: 2em 0;
    padding: 20px 24px;
    border-left: 4px solid var(--color-primary);
    background: var(--color-surface);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2em 0;
    font-size: 0.9rem;
}

.entry-content th,
.entry-content td {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    text-align: left;
}

.entry-content th {
    background: var(--color-surface-2);
    font-weight: 700;
    color: var(--color-primary);
}

.entry-content tr:nth-child(even) td {
    background: rgba(0,0,0,0.03);
}

.entry-content img {
    border-radius: var(--radius-md);
    margin: 1.5em 0;
}

.entry-content a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Post Footer */
.post-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.post-tag {
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 20px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition);
}

.post-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 48px;
}

.post-nav-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all var(--transition);
}

.post-nav-item:hover {
    border-color: rgba(245,166,35,0.3);
}

.post-nav-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.post-nav-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.post-nav-item a {
    color: inherit;
}

.post-nav-item:hover .post-nav-title {
    color: var(--color-primary);
}

.post-nav-item.prev {
    text-align: left;
}

.post-nav-item.next {
    text-align: right;
}

/* =============================================
   Sidebar
   ============================================= */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.widget {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.widget-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text);
}

.widget-title::before {
    content: '';
    display: block;
    width: 3px;
    height: 1em;
    background: var(--color-primary);
    border-radius: 2px;
}

/* Recent Posts Widget */
.widget-recent-posts {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.widget-post-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.widget-post-thumbnail {
    flex-shrink: 0;
    width: 72px;
    height: 54px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-border);
}

.widget-post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.widget-post-title {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
}

.widget-post-title a {
    color: inherit;
}

.widget-post-title a:hover {
    color: var(--color-primary);
}

.widget-post-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Category Widget */
.widget-categories {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.widget-category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    font-size: 0.9rem;
}

.widget-category-item:hover {
    background: var(--color-border);
}

.widget-category-item a {
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.widget-category-item a:hover {
    color: var(--color-primary);
}

.widget-category-count {
    font-size: 0.75rem;
    background: var(--color-border);
    color: var(--color-text-muted);
    padding: 2px 8px;
    border-radius: 20px;
}

/* =============================================
   Pagination
   ============================================= */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: all var(--transition);
}

.page-numbers:hover,
.page-numbers.current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #1a0800;
}

/* =============================================
   Search Form
   ============================================= */
.search-form {
    display: flex;
    gap: 8px;
}

.search-form input[type="search"] {
    flex: 1;
    padding: 10px 16px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.9rem;
    transition: border-color var(--transition);
    font-family: var(--font-sans);
}

.search-form input[type="search"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-form input[type="search"]::placeholder {
    color: var(--color-text-muted);
}

.search-form button {
    padding: 10px 16px;
    background: var(--color-primary);
    color: #1a0800;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition);
    font-weight: 700;
}

.search-form button:hover {
    background: var(--color-gold);
}

/* =============================================
   404 Page
   ============================================= */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    min-height: 60vh;
}

.error-number {
    font-size: clamp(6rem, 20vw, 12rem);
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent-pink), var(--color-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.error-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 16px;
}

.error-description {
    color: var(--color-text-muted);
    margin-bottom: 32px;
    max-width: 400px;
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
    margin-top: auto;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-main {
    padding: clamp(40px, 6vw, 80px) 0 clamp(24px, 4vw, 48px);
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1fr;
    gap: clamp(24px, 4vw, 60px);
}

.footer-brand .site-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
    display: block;
}

.footer-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    transition: all var(--transition);
}

.footer-social a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(245,166,35,0.08);
}

.footer-col-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links li a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.footer-links li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* =============================================
   Breadcrumb
   ============================================= */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: 16px 0;
}

.breadcrumb a {
    color: var(--color-text-muted);
}

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

.breadcrumb-sep {
    color: var(--color-border);
}

/* =============================================
   Utility
   ============================================= */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }

/* =============================================
   Scrollbar
   ============================================= */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* =============================================
   Google Fonts Import
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;600;700&family=Noto+Serif+JP:wght@400;700&display=swap');