:root {
    --font-family-base: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --color-primary: #8a6846;
    --color-primary-dark: #654a31;
    --color-primary-light: #f2ece5;
    --color-background: #f7f7f7;
    --color-surface: #ffffff;
    --color-text: #2f2f2f;
    --color-text-muted: #757575;
    --color-border: #e5e5e5;
    --color-danger: #c73a3a;
    --color-success: #358657;
    --max-width: 1120px;
    --radius: 8px;
}

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

html,
body,
button,
input,
select,
textarea {
    font-family: var(--font-family-base);
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
}

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

a:hover {
    text-decoration: underline;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list a {
    color: var(--color-text);
    font-weight: 500;
}

.main-content {
    padding: 32px 0 64px;
}

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

.card + .card {
    margin-top: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
    color: #fff;
}

.btn-secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.alert-error {
    background: #fdecec;
    color: var(--color-danger);
    border: 1px solid #f3c4c4;
}

.alert-success {
    background: #edf7f0;
    color: var(--color-success);
    border: 1px solid #c8e6d2;
}

.status-ok {
    color: var(--color-success);
    font-weight: 600;
}

.status-ng {
    color: var(--color-danger);
    font-weight: 600;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    border-bottom: 1px solid var(--color-border);
    padding: 10px 12px;
    text-align: left;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.hero {
    padding: 40px 0;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: 1.75rem;
}

.hero p {
    margin: 0;
    color: var(--color-text-muted);
}

.upload-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.upload-preview img,
.upload-preview object {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .search-layout {
        grid-template-columns: 1fr;
    }

    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px 0;
    }
}

.search-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    align-items: start;
}

.search-sidebar__title {
    margin: 0 0 16px;
    font-size: 1.1rem;
}

.search-results__count {
    margin: 0 0 16px;
    color: var(--color-text-muted);
}

.entity-grid {
    display: grid;
    gap: 16px;
}

.entity-card {
    padding: 0;
    transition: box-shadow 0.15s ease;
}

.entity-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.entity-card__link {
    display: block;
    padding: 20px;
    color: inherit;
    text-decoration: none;
}

.entity-card__link:hover {
    text-decoration: none;
}

.entity-card__header {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.entity-card__title {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.entity-card__price {
    margin: 0 0 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.entity-card__price--large {
    font-size: 1.5rem;
}

.entity-card__meta {
    display: grid;
    gap: 8px;
    margin: 0 0 12px;
    font-size: 0.9rem;
}

.entity-card__meta dt {
    display: inline;
    color: var(--color-text-muted);
    margin-right: 4px;
}

.entity-card__meta dt::after {
    content: ':';
}

.entity-card__meta dd {
    display: inline;
    margin: 0;
}

.entity-card__excerpt {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-case-type {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.badge-status {
    background: #eef2f7;
    color: #4a5568;
}

.page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.detail-list {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px 16px;
    margin: 16px 0;
}

.detail-list dt {
    color: var(--color-text-muted);
    font-weight: 500;
}

.detail-list dd {
    margin: 0;
}

.detail-body {
    white-space: pre-wrap;
    line-height: 1.7;
}

.detail-header {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.required {
    color: var(--color-danger);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
}

.pagination__link.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.pagination__link:hover {
    text-decoration: none;
    border-color: var(--color-primary);
}

/* Home */
.hero--home {
    padding: 32px 0 24px;
}

.home-sections {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.home-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.home-section__header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.home-section__cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.home-card {
    padding: 0;
    min-height: 140px;
}

.home-card__link {
    display: block;
    padding: 16px;
    color: inherit;
    text-decoration: none;
}

.home-card__link:hover {
    text-decoration: none;
}

.home-card h3 {
    margin: 0 0 8px;
    font-size: 0.95rem;
    line-height: 1.4;
}

.home-card__price {
    margin: 0 0 8px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.home-card__meta,
.home-card__excerpt {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.home-section__empty {
    color: var(--color-text-muted);
    margin: 0;
}

/* Header */
.site-header__search {
    display: flex;
    gap: 8px;
    flex: 1;
    max-width: 280px;
}

.site-header__search input {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-menu {
    position: relative;
}

.post-menu summary {
    list-style: none;
    cursor: pointer;
}

.post-menu summary::-webkit-details-marker {
    display: none;
}

.post-menu__dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    z-index: 20;
    display: flex;
    flex-direction: column;
}

.post-menu__dropdown a {
    padding: 10px 14px;
    color: var(--color-text);
    text-decoration: none;
}

.post-menu__dropdown a:hover {
    background: var(--color-primary-light);
    text-decoration: none;
}

.badge-unread {
    background: var(--color-danger);
    color: #fff;
}

.alert-info {
    background: #eef4fb;
    color: #2c5282;
    border: 1px solid #c9dff5;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-link {
    background: none;
    border: none;
    padding: 0;
    color: var(--color-primary-dark);
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
}

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

.mypage-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Messages */
.conversation-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.conversation-list__item + .conversation-list__item {
    border-top: 1px solid var(--color-border);
}

.conversation-list__item a {
    display: block;
    padding: 12px 0;
    color: inherit;
    text-decoration: none;
}

.conversation-list__preview {
    margin: 4px 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.message-thread {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 480px;
    overflow-y: auto;
}

.message-bubble {
    max-width: 80%;
    padding: 12px;
    border-radius: var(--radius);
    background: #f0f0f0;
}

.message-bubble--mine {
    align-self: flex-end;
    background: var(--color-primary-light);
}

.message-bubble__meta {
    display: flex;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.notification-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.notification-list__item {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.notification-list__item.is-unread {
    background: #faf8f5;
    margin: 0 -24px;
    padding: 12px 24px;
}

.notification-list__header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
}

.notification-list__actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    font-size: 0.9rem;
}

/* Admin */
.admin-body {
    background: #eef1f4;
}

.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 64px);
}

.admin-sidebar {
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 24px 0;
}

.admin-sidebar__nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-sidebar__nav a {
    display: block;
    padding: 10px 24px;
    color: var(--color-text);
    text-decoration: none;
}

.admin-sidebar__nav a:hover {
    background: var(--color-primary-light);
    text-decoration: none;
}

.admin-sidebar__divider {
    height: 1px;
    background: var(--color-border);
    margin: 12px 24px;
}

.admin-main__inner {
    padding: 32px 24px 64px;
    max-width: 1100px;
}

.admin-stats {
    margin-bottom: 16px;
}

.admin-stat h3 {
    margin: 0 0 8px;
    font-size: 1rem;
}

.admin-stat__value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 4px;
}

.admin-stat__sub {
    margin: 0 0 8px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.admin-form-block + .admin-form-block {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.table-actions {
    white-space: nowrap;
}

.table-actions form {
    margin-right: 4px;
}

.category-tree {
    list-style: none;
    padding-left: 0;
}

@media (max-width: 992px) {
    .home-section__cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
}

@media (max-width: 768px) {
    .home-section__cards {
        grid-template-columns: 1fr;
    }

    .site-header__search {
        max-width: none;
        width: 100%;
    }

    .search-filter-toggle {
        display: inline-flex;
        margin-bottom: 12px;
    }

    .search-sidebar {
        display: none;
    }

    .search-sidebar.is-open {
        display: block;
    }
}

.search-filter-toggle {
    display: none;
}

.detail-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.detail-actions {
    margin-left: auto;
}

.favorite-btn.is-active {
    color: var(--color-danger);
}

.favorite-form {
    display: inline;
}

.entity-card {
    position: relative;
}

.entity-card__favorite {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 1;
}

.report-form summary {
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.entity-fields legend {
    font-weight: 600;
    margin-bottom: 12px;
}

.radio-group label,
.checkbox-group label {
    display: block;
    margin-bottom: 4px;
}