/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    --color-main: #78716C;
    --color-bg: #FAFAF9;
    --color-accent: #0D9488;
    --color-accent-hover: #0F766E;
    --color-text: #1C1917;
    --color-text-light: #57534E;
    --color-border: #E7E5E4;
    --color-white: #FFFFFF;

    --font-heading: "Noto Serif JP", "Yu Mincho", "YuMincho", serif;
    --font-body: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
    --font-caption: "Noto Sans JP", sans-serif;

    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    --max-width: 1280px;
    --sidebar-width: 280px;
    --border-radius: 0px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-regular);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    z-index: 10000;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent);
    color: var(--color-white);
}

.skip-link:focus {
    top: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    text-align: center;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease, opacity 0.2s ease;
    letter-spacing: 0.05em;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-white);
    opacity: 0.9;
}

.btn--primary:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ==========================================================================
   Site Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
}

.site-header__logo a,
.site-header__site-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
}

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

.site-header__nav-list {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.site-header__nav-list li a {
    font-size: 0.875rem;
    color: var(--color-text);
    letter-spacing: 0.05em;
    position: relative;
    padding-bottom: 0.25rem;
}

.site-header__nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-main);
    transition: width 0.3s ease;
}

.site-header__nav-list li a:hover::after {
    width: 100%;
}

/* Hamburger */
.site-header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.site-header__menu-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-bar:nth-child(2) {
    opacity: 0;
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Layout (Left Sidebar)
   ========================================================================== */

.layout {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.layout--with-sidebar {
    display: flex;
    flex-direction: row;
    gap: var(--space-xl);
}

.layout__main {
    flex: 1;
    min-width: 0;
    order: 2;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    order: 1;
}

.sidebar__widget {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.sidebar__widget:last-child {
    border-bottom: none;
}

.sidebar__widget-title {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--color-main);
}

.sidebar__post-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.sidebar__post-link {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    color: var(--color-text);
}

.sidebar__post-link:hover .sidebar__post-title {
    color: var(--color-accent);
}

.sidebar__post-thumb {
    flex-shrink: 0;
    width: 80px;
    overflow: hidden;
}

.sidebar__post-thumb img {
    width: 100%;
    height: 56px;
    object-fit: cover;
}

.sidebar__post-title {
    font-size: 0.8125rem;
    line-height: 1.5;
    transition: color 0.2s ease;
}

.sidebar__category-list li {
    border-bottom: 1px solid var(--color-border);
}

.sidebar__category-list li a {
    display: block;
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    color: var(--color-text);
}

.sidebar__category-list li a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 70vh;
    background-size: cover;
    background-position: center;
    background-color: var(--color-main);
    display: flex;
    align-items: center;
}

.hero__overlay {
    width: 100%;
    background: linear-gradient(to right, rgba(28, 25, 23, 0.7), rgba(28, 25, 23, 0.3));
    display: flex;
    align-items: center;
    min-height: 70vh;
}

.hero__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
    width: 100%;
}

.hero__heading {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    line-height: 1.3;
    margin-bottom: var(--space-md);
    max-width: 600px;
}

.hero__subheading {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    max-width: 520px;
}

.hero__cta {
    font-size: 1rem;
}

/* ==========================================================================
   Section Titles
   ========================================================================== */

.section {
    padding: var(--space-2xl) 0;
}

.section__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section__title {
    font-family: var(--font-heading);
    font-size: 1.625rem;
    font-weight: var(--font-weight-medium);
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
    padding: var(--space-md) 0;
}

.section__title::before,
.section__title::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background-color: var(--color-main);
}

.section__title::before {
    top: 0;
}

.section__title::after {
    bottom: 0;
}

/* ==========================================================================
   Card Grid
   ========================================================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.card-grid--small {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.card-post {
    background: var(--color-white);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.card-post:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card-post__link {
    display: block;
    color: var(--color-text);
}

.card-post__thumbnail {
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.card-post__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card-post:hover .card-post__thumbnail img {
    transform: scale(1.03);
}

.card-post__body {
    padding: var(--space-md);
}

.card-post__category {
    display: inline-block;
    font-size: 0.75rem;
    font-family: var(--font-caption);
    font-weight: var(--font-weight-light);
    color: var(--color-main);
    letter-spacing: 0.08em;
    margin-bottom: var(--space-xs);
}

.card-post__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    margin-bottom: var(--space-xs);
}

.card-post__date {
    font-size: 0.75rem;
    font-family: var(--font-caption);
    font-weight: var(--font-weight-light);
    color: var(--color-text-light);
}

/* ==========================================================================
   Category Grid
   ========================================================================== */

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg) var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
}

.category-card:hover {
    border-color: var(--color-main);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    color: var(--color-text);
}

.category-card__name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-xs);
}

.category-card__count {
    font-size: 0.75rem;
    font-family: var(--font-caption);
    color: var(--color-text-light);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.section--about {
    background-color: var(--color-white);
}

.about-text {
    max-width: 720px;
    margin: 0 auto;
    font-size: 0.9375rem;
    line-height: 2;
    color: var(--color-text-light);
    text-align: center;
}

/* ==========================================================================
   CTA Box
   ========================================================================== */

.cta-box {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    margin: var(--space-xl) 0;
}

.cta-box__inner {
    padding: var(--space-xl);
    text-align: center;
}

.cta-box__heading {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-sm);
}

.cta-box__text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */

.breadcrumb {
    margin-bottom: var(--space-lg);
    padding: var(--space-sm) 0;
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    font-size: 0.8125rem;
    font-family: var(--font-caption);
    color: var(--color-text-light);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
}

.breadcrumb__item::after {
    content: '>';
    margin: 0 0.5em;
    color: var(--color-border);
}

.breadcrumb__item:last-child::after {
    display: none;
}

.breadcrumb__item a {
    color: var(--color-text-light);
}

.breadcrumb__item a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Archive Header
   ========================================================================== */

.archive-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.archive-header__title {
    font-size: 1.5rem;
}

.archive-header__description {
    margin-top: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.archive-header__count {
    margin-top: var(--space-xs);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Article
   ========================================================================== */

.article {
    max-width: 800px;
}

.article__header {
    margin-bottom: var(--space-xl);
}

.article__categories {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.article__category-tag {
    font-size: 0.75rem;
    font-family: var(--font-caption);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 0.25rem 0.75rem;
    letter-spacing: 0.05em;
}

.article__category-tag:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.article__title {
    font-size: 2rem;
    line-height: 1.4;
    text-align: center;
    margin-bottom: var(--space-md);
}

.article__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-family: var(--font-caption);
    color: var(--color-text-light);
}

.article__reading-time {
    color: var(--color-main);
}

/* TOC */
.article__toc {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding: var(--space-md);
    margin-bottom: var(--space-xl);
}

.article__toc-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    color: var(--color-text);
    padding: 0;
}

.article__toc-toggle::after {
    content: '▼';
    font-size: 0.625rem;
    transition: transform 0.3s ease;
}

.article__toc-toggle[aria-expanded="false"]::after {
    transform: rotate(-90deg);
}

.article__toc-nav {
    margin-top: var(--space-sm);
}

.article__toc-nav.is-hidden {
    display: none;
}

.article__toc-nav ol {
    list-style: none;
    counter-reset: toc;
}

.article__toc-nav > ol > li {
    counter-increment: toc;
    margin-bottom: var(--space-xs);
}

.article__toc-nav > ol > li > a {
    font-size: 0.875rem;
    color: var(--color-text);
    display: block;
    padding: 0.25rem 0;
}

.article__toc-nav > ol > li > a::before {
    content: counter(toc) ". ";
    color: var(--color-main);
}

.article__toc-nav > ol > li > a:hover {
    color: var(--color-accent);
}

.article__toc-nav ol ol {
    padding-left: var(--space-md);
    margin-top: 0.25rem;
}

.article__toc-nav ol ol li a {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    display: block;
    padding: 0.125rem 0;
}

.article__toc-nav ol ol li a:hover {
    color: var(--color-accent);
}

/* Thumbnail */
.article__thumbnail {
    margin-bottom: var(--space-xl);
}

.article__thumbnail img {
    width: 100%;
    height: auto;
}

/* Content */
.article__content {
    font-size: 1rem;
    line-height: 2;
}

.article__content h2 {
    font-size: 1.5rem;
    margin: var(--space-2xl) 0 var(--space-lg);
    padding: var(--space-sm) 0;
    border-bottom: 2px solid var(--color-main);
}

.article__content h3 {
    font-size: 1.25rem;
    margin: var(--space-xl) 0 var(--space-md);
    padding-left: var(--space-sm);
    border-left: 3px solid var(--color-accent);
}

.article__content h4 {
    font-size: 1.0625rem;
    margin: var(--space-lg) 0 var(--space-sm);
}

.article__content p {
    margin-bottom: var(--space-md);
}

.article__content ul,
.article__content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

.article__content ul {
    list-style-type: disc;
}

.article__content ol {
    list-style-type: decimal;
}

.article__content li {
    margin-bottom: var(--space-xs);
}

.article__content blockquote {
    border-left: 3px solid var(--color-main);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    background-color: var(--color-white);
    color: var(--color-text-light);
    font-style: italic;
}

.article__content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
}

.article__content th,
.article__content td {
    border: 1px solid var(--color-border);
    padding: var(--space-sm);
    text-align: left;
    font-size: 0.875rem;
}

.article__content th {
    background-color: var(--color-bg);
    font-weight: var(--font-weight-medium);
}

.article__content pre {
    background-color: #292524;
    color: #F5F5F4;
    padding: var(--space-md);
    overflow-x: auto;
    margin: var(--space-lg) 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

.article__content code {
    font-size: 0.875em;
    background-color: var(--color-bg);
    padding: 0.125em 0.375em;
}

.article__content pre code {
    background: none;
    padding: 0;
}

.article__content img {
    margin: var(--space-lg) 0;
}

.article__content figure {
    margin: var(--space-lg) 0;
}

.article__content figcaption {
    font-size: 0.8125rem;
    font-family: var(--font-caption);
    font-weight: var(--font-weight-light);
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--space-xs);
}

/* Author Box */
.article__author-box {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
}

.article__author-avatar img {
    border-radius: 50%;
    width: 80px;
    height: 80px;
}

.article__author-name {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-xs);
}

.article__author-bio {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ==========================================================================
   Related Posts
   ========================================================================== */

.related-posts {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    margin-top: var(--space-xl);
    text-align: center;
}

.pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    transition: all 0.2s ease;
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

/* ==========================================================================
   Search Form
   ========================================================================== */

.search-form {
    display: flex;
    max-width: 480px;
    margin: var(--space-lg) auto;
}

.search-form__input {
    flex: 1;
    padding: 0.75rem var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-right: none;
    outline: none;
    background: var(--color-white);
    color: var(--color-text);
}

.search-form__input:focus {
    border-color: var(--color-accent);
}

.search-form__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 var(--space-sm);
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: var(--color-white);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.search-form__submit:hover {
    background-color: var(--color-accent-hover);
}

/* ==========================================================================
   404 Page
   ========================================================================== */

.page-content--404 {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.error-404 {
    text-align: center;
    padding: var(--space-2xl) 0;
}

.error-404__title {
    font-size: 6rem;
    font-family: var(--font-heading);
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.error-404__message {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.error-404__description {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.error-404__latest {
    margin-top: var(--space-2xl);
    text-align: left;
}

/* ==========================================================================
   Contact Form 7
   ========================================================================== */

.wpcf7 {
    max-width: 100%;
}

.wpcf7-form p {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.wpcf7-form p > br {
    display: none;
}

.wpcf7-form p .required {
    color: #DC2626;
    font-size: 0.75rem;
    margin-left: 0.25em;
}

.wpcf7-form-control-wrap {
    flex: 1;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form textarea {
    width: 100%;
    padding: 0.875rem var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    outline: none;
    transition: border-color 0.2s ease;
}

.wpcf7-form input[type="text"]:focus,
.wpcf7-form input[type="email"]:focus,
.wpcf7-form input[type="tel"]:focus,
.wpcf7-form textarea:focus {
    border-color: var(--color-accent);
}

.wpcf7-form textarea {
    min-height: 180px;
    resize: vertical;
    align-self: stretch;
}

.wpcf7-form input[type="submit"] {
    display: inline-block;
    padding: 1rem 3rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
    background-color: var(--color-accent);
    border: none;
    cursor: pointer;
    letter-spacing: 0.08em;
    transition: background-color 0.2s ease, opacity 0.2s ease;
    margin-top: var(--space-sm);
}

.wpcf7-form input[type="submit"]:hover {
    background-color: var(--color-accent-hover);
    opacity: 0.9;
}

.wpcf7-form input[type="submit"]:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.wpcf7 .wpcf7-not-valid-tip {
    font-size: 0.8125rem;
    color: #DC2626;
    margin-top: 0.25rem;
}

.wpcf7 .wpcf7-response-output {
    padding: var(--space-sm) var(--space-md);
    margin: var(--space-md) 0 0;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
}

@media (max-width: 640px) {
    .wpcf7-form p {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

/* ==========================================================================
   Page Content (fixed pages)
   ========================================================================== */

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

.page-content .article__title {
    margin-bottom: var(--space-xl);
}

.page-content .article__content {
    font-size: 1rem;
    line-height: 2;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */

.site-footer {
    background-color: #292524;
    color: #A8A29E;
    padding: var(--space-2xl) 0 var(--space-lg);
}

.site-footer__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    text-align: center;
}

.site-footer__logo {
    margin-bottom: var(--space-xl);
}

.site-footer__logo img {
    max-height: 72px;
    width: auto;
    margin: 0 auto;
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

.site-footer__logo a:hover img {
    opacity: 1;
}

.site-footer__nav-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.site-footer__nav-list li a {
    font-size: 0.875rem;
    color: #D6D3D1;
    letter-spacing: 0.05em;
}

.site-footer__nav-list li a:hover {
    color: var(--color-white);
}

.site-footer__pages {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer__pages li a {
    font-size: 0.8125rem;
    color: #A8A29E;
    letter-spacing: 0.03em;
}

.site-footer__pages li a:hover {
    color: var(--color-white);
}

.site-footer__social {
    margin-bottom: var(--space-lg);
}

.site-footer__social-list {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.site-footer__social-list li a {
    font-size: 0.8125rem;
    color: #A8A29E;
}

.site-footer__social-list li a:hover {
    color: var(--color-white);
}

.site-footer__info {
    font-size: 0.8125rem;
    margin-bottom: var(--space-sm);
}

.site-footer__copyright {
    font-size: 0.75rem;
    color: #78716C;
}

/* ==========================================================================
   reCAPTCHA Badge (hidden, with required attribution in footer)
   ========================================================================== */

.grecaptcha-badge {
    visibility: hidden !important;
}

.recaptcha-notice {
    font-size: 0.6875rem;
    color: #78716C;
    margin-top: var(--space-sm);
}

.recaptcha-notice a {
    color: #A8A29E;
}

/* ==========================================================================
   No Posts
   ========================================================================== */

.no-posts,
.no-results {
    text-align: center;
    padding: var(--space-2xl) 0;
    color: var(--color-text-light);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .layout--with-sidebar {
        gap: var(--space-lg);
    }

    .sidebar {
        width: 240px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 3rem;
        --space-2xl: 4rem;
    }

    .site-header__menu-toggle {
        display: flex;
    }

    .site-header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md);
    }

    .site-header__nav.is-open {
        display: block;
    }

    .site-header__nav-list {
        flex-direction: column;
        gap: 0;
    }

    .site-header__nav-list li a {
        display: block;
        padding: var(--space-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }

    .layout--with-sidebar {
        flex-direction: column;
    }

    .layout__main {
        order: 1;
    }

    .sidebar {
        order: 2;
        width: 100%;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .card-grid--small {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero__heading {
        font-size: 2rem;
    }

    .article__title {
        font-size: 1.5rem;
    }

    .article__author-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 640px) {
    :root {
        --space-xl: 2.5rem;
        --space-2xl: 3rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .card-grid--small {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero {
        min-height: 50vh;
    }

    .hero__heading {
        font-size: 1.625rem;
    }

    .hero__subheading {
        font-size: 0.875rem;
    }

    .section__title {
        font-size: 1.375rem;
    }

    .article__meta {
        flex-direction: column;
        align-items: center;
    }

    .cta-box__inner {
        padding: var(--space-lg);
    }

    .cta-box__heading {
        font-size: 1.125rem;
    }

    .error-404__title {
        font-size: 4rem;
    }
}