/* ===== 住まいトラブルノート Base Theme ===== */

:root {
    --primary-color: #2f7d4f;
    --primary-light: #79c99a;
    --primary-dark: #245d3c;
    --primary-bg: rgba(47, 125, 79, 0.1);
    --primary-border: rgba(47, 125, 79, 0.24);
    --secondary-color: #5a3c2b;
    --accent-color: #f2b84b;
    --bg-color: #eef2ef;
    --bg-card: #ffffff;
    --text-color: #241f1c;
    --text-secondary: #657267;
    --text-light: #7d8a80;
    --border-color: #dfe7df;
    --shadow-sm: 0 1px 3px rgba(36, 31, 28, 0.06);
    --shadow-md: 0 8px 24px rgba(36, 31, 28, 0.08);
    --shadow-lg: 0 18px 48px rgba(36, 31, 28, 0.12);
    --shadow-primary: 0 8px 22px rgba(47, 125, 79, 0.18);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

* {
    box-sizing: border-box;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: "Noto Sans JP", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

a {
    color: var(--primary-dark);
}

a:hover,
a:focus-visible {
    color: var(--primary-color);
}

header.topbar-gradient {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(36, 31, 28, 0.08);
}

.navbar.custom-nav {
    background: transparent;
    padding: 14px 0;
}

.navbar.custom-nav .navbar-brand img,
.brand-icon-img {
    border-radius: var(--radius-sm);
}

.navbar.custom-nav .brand-gradient {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
}

.navbar.custom-nav .nav-link {
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-right: 4px;
    padding: 0.5rem 0.875rem;
    transition: all 0.2s ease;
}

.navbar.custom-nav .nav-link:hover,
.navbar.custom-nav .nav-link:focus-visible {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.navbar.custom-nav .nav-link .small-icon {
    color: var(--text-light);
    font-size: 0.8125rem;
    margin-right: 0.25rem;
    transition: color 0.2s ease;
}

.navbar.custom-nav .nav-link:hover .small-icon,
.navbar.custom-nav .nav-link:focus-visible .small-icon {
    color: var(--primary-color);
}

.navbar-toggler {
    border-color: var(--border-color);
    padding: 0.5rem 0.75rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(47, 125, 79, 0.15);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23657267' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.language-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4375rem 0.875rem;
    transition: all 0.2s ease;
}

.language-btn:hover,
.language-btn:focus-visible {
    background: var(--primary-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.language-btn .fa-globe {
    color: var(--text-light);
}

.language-btn:hover .fa-globe,
.language-btn:focus-visible .fa-globe {
    color: var(--primary-color);
}

.dropdown-menu {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: 0.5rem !important;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    color: var(--text-color) !important;
    padding: 0.625rem 1rem !important;
    transition: all 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
    background: var(--primary-bg) !important;
    color: var(--primary-color) !important;
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
    background: var(--primary-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

footer {
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
}

footer .text-muted {
    color: var(--text-secondary) !important;
    font-size: 0.875rem;
}

footer .text-muted:hover,
footer .text-muted:focus-visible {
    color: var(--primary-color) !important;
}

footer h4 {
    color: var(--text-color);
    font-size: 1.125rem;
}

footer h6 {
    color: var(--text-color);
    font-size: 0.9375rem;
    font-weight: 600;
}

footer .footer-divider {
    border-color: var(--border-color);
}

footer p.max-w-520 {
    font-size: 0.8125rem;
    line-height: 1.6;
}

.max-w-520 {
    max-width: 520px;
}

@media (max-width: 991.98px) {
    .navbar.custom-nav .navbar-nav {
        margin-left: 0 !important;
        padding-top: 0.75rem;
    }

    .navbar.custom-nav .nav-link {
        margin-right: 0;
    }
}