/* ========================================
   Components - コンポーネント
======================================== */

/* ========================================
   ボタン
======================================== */
.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1.6rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1.4;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 75, 140, 0.3);
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: #fff;
}

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

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

.btn-outline-white {
    background-color: transparent;
    border-color: #fff;
    color: #fff;
}

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

.btn-sm {
    padding: 10px 25px;
    font-size: 1.4rem;
}

.btn-lg {
    padding: 18px 50px;
    font-size: 1.8rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ========================================
   カード
======================================== */
.card {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.card-body {
    padding: 25px;
}

.card-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.card-title a {
    color: var(--color-text);
}

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

.card-text {
    color: var(--color-text-light);
    margin-bottom: 15px;
    font-size: 1.4rem;
    line-height: 1.7;
}

.card-meta {
    font-size: 1.3rem;
    color: var(--color-text-muted);
}

/* カードホリゾンタル */
.card-horizontal {
    display: flex;
}

.card-horizontal .card-image {
    flex-shrink: 0;
    width: 200px;
    aspect-ratio: auto;
}

.card-horizontal .card-body {
    flex: 1;
}

/* ========================================
   バッジ・ラベル
======================================== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 1.2rem;
    font-weight: 500;
    border-radius: 3px;
    background-color: var(--color-primary);
    color: #fff;
}

.badge-secondary {
    background-color: var(--color-secondary);
}

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

/* ========================================
   アラート
======================================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.alert-info {
    background-color: #e7f3ff;
    border: 1px solid #b6d4fe;
    color: #084298;
}

.alert-success {
    background-color: #d1e7dd;
    border: 1px solid #badbcc;
    color: #0f5132;
}

.alert-warning {
    background-color: #fff3cd;
    border: 1px solid #ffecb5;
    color: #664d03;
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c2c7;
    color: #842029;
}

/* ========================================
   リスト
======================================== */
.list-unstyled {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

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

.list-inline li {
    display: inline-block;
    margin-right: var(--spacing-md);
}

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

.list-check li {
    position: relative;
    padding-left: 25px;
}

.list-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* ========================================
   ページネーション
======================================== */
.pagination {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.pagination ul {
    display: inline-flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 5px;
}

.pagination li a,
.pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 1.4rem;
    transition: var(--transition);
}

.pagination li a:hover,
.pagination li span.current {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ========================================
   パンくずリスト
======================================== */
.breadcrumb {
    background-color: var(--color-bg-light);
    padding: 15px 0;
    margin-top: var(--header-height);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 1.4rem;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '>';
    margin: 0 10px;
    color: var(--color-text-light);
}

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

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

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

/* ========================================
   タブ
======================================== */
.tabs {
    margin-bottom: var(--spacing-lg);
}

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.tab-nav button {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-nav button::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: transparent;
    transition: var(--transition);
}

.tab-nav button:hover,
.tab-nav button.is-active {
    color: var(--color-primary);
}

.tab-nav button.is-active::after {
    background-color: var(--color-primary);
}

.tab-content {
    display: none;
}

.tab-content.is-active {
    display: block;
}

/* ========================================
   アコーディオン
======================================== */
.accordion {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    padding: 20px;
    background-color: var(--color-bg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: var(--color-bg-light);
}

.accordion-header::after {
    content: '+';
    font-size: 2rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.accordion-item.is-active .accordion-header::after {
    transform: rotate(45deg);
}

.accordion-body {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.is-active .accordion-body {
    padding: 20px;
    max-height: 500px;
}

/* ========================================
   モーダル
======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.is-active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: 2rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2.4rem;
    cursor: pointer;
    color: var(--color-text-light);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--color-border);
    text-align: right;
}