/* ===================================
   AT THE LINE — Main Stylesheet
   =================================== */

:root {
    /* カラーパレット */
    --color-bg: #0d0d0d;
    --color-bg-alt: #0f0e0a;
    --color-bg-card: #0a0908;
    --color-bg-elevated: #111;
    --color-border: #1a1810;
    --color-border-light: #141210;

    /* ゴールド系 */
    --color-gold: #c9a84c;
    --color-gold-light: #e8d5a3;
    --color-gold-dark: #7a6e5a;
    --color-gold-muted: #5a5040;
    --color-gold-faint: #4a4030;
    --color-gold-subtle: #3a3020;
    --color-gold-ghost: #2a2418;

    /* テキスト */
    --color-text: #e8d5a3;
    --color-text-title: #d4c08a;
    --color-text-muted: #7a6e5a;
    --color-text-faint: #5a5040;
    --color-text-ghost: #3a3020;

    /* アクセントカラー（HEALTHセクション） */
    --color-injury: #c9503a;
    --color-health: #4a9c7a;
    --color-recovery: #7a8fc9;
    --color-prevention: #c9a84c;

    /* タイポグラフィ */
    --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-ui: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;

    /* スペーシング */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 80px;
    --space-4xl: 128px;

    /* レイアウト */
    --max-width: 1200px;
    --sidebar-width: 320px;
    --header-height: 72px;
}

/* リセット */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-heading);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    background: none;
    border: none;
    font: inherit;
    color: inherit;
}

input, textarea {
    font: inherit;
}

/* ===================================
   ユーティリティ
   =================================== */

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

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.27), transparent);
}

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

/* ===================================
   タイポグラフィ
   =================================== */

.tag-label {
    font-family: var(--font-ui);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-gold);
    text-transform: uppercase;
}

.article-title {
    font-family: var(--font-heading);
    font-weight: 300;
    line-height: 1.25;
}

.article-meta {
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 1.5px;
    color: var(--color-text-faint);
}

.section-label {
    font-family: var(--font-ui);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 300;
    color: var(--color-text);
    line-height: 1.2;
}

.section-title em {
    font-style: italic;
    color: var(--color-text-muted);
}

/* ===================================
   ボタン
   =================================== */

.btn-gold {
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-bg);
    background: var(--color-gold);
    border: none;
    padding: 10px 24px;
    cursor: pointer;
    transition: background 0.3s;
    text-transform: uppercase;
    display: inline-block;
    text-align: center;
}

.btn-gold:hover {
    background: var(--color-gold-light);
    color: var(--color-bg);
}

.btn-outline {
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-gold);
    background: transparent;
    border: 1px solid var(--color-gold);
    padding: 10px 24px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    display: inline-block;
    text-align: center;
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-bg);
}

/* ===================================
   アニメーション
   =================================== */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGold {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.fade-up {
    animation: fadeUp 0.8s ease forwards;
}

.fade-up-delay {
    animation: fadeUp 0.8s ease 0.2s both;
}

.fade-up-delay-2 {
    animation: fadeUp 0.8s ease 0.4s both;
}

.pulse {
    animation: pulseGold 3s ease-in-out infinite;
}

/* ===================================
   レイアウト: ヘッダー
   =================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.4s ease;
    padding: 0 var(--space-xl);
}

.site-header.scrolled {
    background: rgba(13, 13, 13, 0.97);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

/* ロゴ */
.site-logo {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-main {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 8px;
    color: var(--color-text);
}

.logo-accent {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 300;
    letter-spacing: 8px;
    color: var(--color-gold);
}

.logo-tagline {
    font-family: var(--font-ui);
    font-size: 7.5px;
    font-weight: 400;
    letter-spacing: 2.5px;
    color: var(--color-gold-subtle);
    font-style: italic;
}

/* ナビゲーション */
.main-nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 2.5px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.3s;
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    background: none;
    text-decoration: none;
}

.nav-link::after {
    content: '';
    display: block;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width 0.3s ease;
    margin-top: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active,
.nav-link.current-menu-item a,
.nav-link.current-cat a {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}

/* ヘッダー右側 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.search-trigger {
    font-family: var(--font-ui);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--color-text-faint);
    cursor: pointer;
    background: none;
    border: none;
    transition: color 0.3s;
}

.search-trigger:hover {
    color: var(--color-gold);
}

.join-btn {
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-bg);
    background: var(--color-gold);
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.join-btn:hover {
    background: var(--color-gold-light);
}

/* ===================================
   レイアウト: フッター
   =================================== */

.site-footer {
    border-top: 1px solid var(--color-border-light);
    padding: var(--space-lg) var(--space-xl);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 18px;
    letter-spacing: 8px;
    font-weight: 300;
    color: var(--color-gold-dark);
}

.footer-copyright {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--color-gold-ghost);
    font-style: italic;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-link {
    font-family: var(--font-ui);
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--color-text-ghost);
    cursor: pointer;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--color-gold);
}

/* ===================================
   WordPress 固有スタイル
   =================================== */

/* 画像キャプション */
.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--color-text-faint);
    padding: var(--space-sm) 0;
    text-align: center;
}

/* ギャラリー */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

/* 配置クラス */
.alignleft {
    float: left;
    margin-right: var(--space-lg);
    margin-bottom: var(--space-md);
}

.alignright {
    float: right;
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.aligncenter {
    display: block;
    margin: var(--space-lg) auto;
}

/* ページネーション */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl) 0;
}

.pagination .page-numbers {
    font-family: var(--font-ui);
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    transition: all 0.3s;
}

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

/* 検索フォーム */
.search-form {
    display: flex;
    gap: var(--space-sm);
}

.search-form .search-field {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-ui);
    font-size: 13px;
    padding: var(--space-sm) 0;
    outline: none;
    flex: 1;
    transition: border-color 0.3s;
}

.search-form .search-field:focus {
    border-bottom-color: var(--color-gold);
}

.search-form .search-submit {
    font-family: var(--font-ui);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-bg);
    background: var(--color-gold);
    border: none;
    padding: 8px 20px;
    cursor: pointer;
    transition: background 0.3s;
}

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

/* 検索モーダル */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    background: rgba(13, 13, 13, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.search-modal.active {
    display: flex;
}

.search-modal-inner {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--space-xl);
}

.search-modal .search-field {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-gold);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 300;
    padding: var(--space-md) 0;
    width: 100%;
    outline: none;
}

.search-close {
    position: absolute;
    top: 24px;
    right: 48px;
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    cursor: pointer;
    background: none;
    border: none;
    transition: color 0.3s;
}

.search-close:hover {
    color: var(--color-gold);
}