/* ===========================================
   スマホUI統一スタイルシート
   士別青年会議所 - 全ページ共通
   =========================================== */

/* =============== CSS変数（統一値）=============== */
:root {
    /* スマホ用フォントサイズ統一 */
    --mobile-nav-font: 16px;
    --mobile-nav-padding: 12px 24px;
    --mobile-body-font: 15px;
    --mobile-h1-font: 32px;
    --mobile-h2-font: 24px;
    --mobile-h3-font: 18px;
    
    /* スマホ用余白統一 */
    --mobile-section-padding: 50px 0;
    --mobile-container-padding: 0 16px;
    
    /* カード・画像サイズ統一 */
    --mobile-card-max-width: 320px;
    --mobile-member-image-height: 320px;
}

/* =============== 768px以下：タブレット・スマホ共通 =============== */
@media (max-width: 768px) {
    /* --- ハンバーガーメニュー統一 --- */
    .hamburger-menu {
        display: flex !important;
        flex-direction: column;
        justify-content: space-between;
        width: 28px;
        height: 20px;
        cursor: pointer;
        z-index: 1001;
        position: relative;
        padding: 0;
        background: none;
        border: none;
    }
    
    .hamburger-menu span {
        width: 100%;
        height: 2px;
        background-color: #2c3e50;
        transition: all 0.3s ease;
        transform-origin: center;
        display: block;
    }
    
    .hamburger-menu.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .hamburger-menu.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger-menu.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    /* --- ナビゲーション統一 --- */
    nav {
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        width: 100% !important;
        background-color: white !important;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15) !important;
        padding: 20px 0 !important;
        transform: translateY(-120%) !important;
        transition: all 0.3s ease !important;
        opacity: 0 !important;
        visibility: hidden !important;
        z-index: 999 !important;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    nav.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    nav ul {
        flex-direction: column !important;
        align-items: center !important;
        margin: 0 !important;
        padding: 0 !important;
        gap: 0 !important;
    }
    
    nav ul li {
        margin: 0 !important;
        width: 100%;
        text-align: center;
    }
    
    /* ★ フォントサイズ統一（最重要）★ */
    nav ul li a {
        font-size: var(--mobile-nav-font) !important;
        padding: var(--mobile-nav-padding) !important;
        display: block !important;
        color: #2c3e50 !important;
        font-weight: 500 !important;
        text-decoration: none !important;
        transition: all 0.3s ease !important;
        width: 100%;
    }
    
    nav ul li a:hover,
    nav ul li a:active {
        background-color: #f8f9fa !important;
        color: #0EA5E9 !important;
    }
    
    nav ul li a::after {
        display: none !important;
    }
    
    /* --- ヘッダー統一 --- */
    header {
        padding: 12px 0 !important;
        min-height: 70px !important;
    }
    
    header.scrolled {
        padding: 8px 0 !important;
        min-height: 60px !important;
    }
    
    header .container {
        padding: 0 16px !important;
    }
    
    /* --- ロゴ統一 --- */
    .logo {
        max-width: 65%;
    }
    
    .jci-logo {
        height: 32px !important;
        width: auto !important;
    }
    
    .logo-text .logo-full {
        font-size: 10px !important;
    }
    
    .logo-text .logo-main {
        font-size: 15px !important;
    }
    
    /* --- ヒーローセクション統一 --- */
    .hero,
    .members-hero,
    .events-hero,
    .contact-hero,
    .join-hero,
    .activities-hero,
    .about-hero {
        height: 45vh !important;
        min-height: 280px !important;
        margin-top: 70px !important;
    }
    
    .hero-content h1,
    .hero .hero-content h1,
    .members-hero .hero-content h1,
    .events-hero .hero-content h1,
    .contact-hero .hero-content h1,
    .join-hero .hero-content h1,
    .activities-hero .hero-content h1 {
        font-size: var(--mobile-h1-font) !important;
        line-height: 1.3 !important;
    }
    
    .hero-content p {
        font-size: 15px !important;
        padding: 0 20px;
    }
    
    /* --- セクション余白統一 --- */
    section {
        padding: var(--mobile-section-padding) !important;
    }
    
    .container {
        padding: var(--mobile-container-padding) !important;
    }
    
    /* --- セクションタイトル統一 --- */
    .section-title {
        font-size: var(--mobile-h2-font) !important;
    }
    
    .section-subtitle {
        font-size: 12px !important;
        letter-spacing: 2px !important;
    }
    
    .section-subtitle::before,
    .section-subtitle::after {
        width: 20px !important;
    }
    
    .section-description {
        font-size: 14px !important;
        padding: 0 10px;
    }
    
    /* --- ボタン統一 --- */
    .btn {
        padding: 12px 24px !important;
        font-size: 14px !important;
    }
}

/* =============== 576px以下：スマホ専用 =============== */
@media (max-width: 576px) {
    :root {
        --mobile-nav-font: 15px;
        --mobile-h1-font: 28px;
        --mobile-h2-font: 22px;
    }
    
    /* --- ヘッダー調整 --- */
    header {
        padding: 10px 0 !important;
        min-height: 65px !important;
    }
    
    nav {
        top: 65px !important;
    }
    
    .jci-logo {
        height: 28px !important;
    }
    
    .logo-text .logo-full {
        font-size: 9px !important;
    }
    
    .logo-text .logo-main {
        font-size: 13px !important;
    }
    
    /* --- ヒーロー調整 --- */
    .hero,
    .members-hero,
    .events-hero,
    .contact-hero,
    .join-hero,
    .activities-hero {
        height: 40vh !important;
        min-height: 260px !important;
        margin-top: 65px !important;
    }
    
    .hero-content h1 {
        font-size: var(--mobile-h1-font) !important;
    }
    
    .hero-content p {
        font-size: 14px !important;
    }
    
    /* --- セクション調整 --- */
    section {
        padding: 40px 0 !important;
    }
    
    .section-header {
        margin-bottom: 30px !important;
    }
}

/* =============== 480px以下：小型スマホ =============== */
@media (max-width: 480px) {
    :root {
        --mobile-nav-font: 14px;
        --mobile-h1-font: 26px;
        --mobile-h2-font: 20px;
    }
    
    header {
        padding: 8px 0 !important;
        min-height: 60px !important;
    }
    
    nav {
        top: 60px !important;
    }
    
    nav ul li a {
        padding: 10px 20px !important;
    }
    
    .jci-logo {
        height: 24px !important;
    }
    
    .logo-text .logo-full {
        font-size: 8px !important;
    }
    
    .logo-text .logo-main {
        font-size: 12px !important;
    }
    
    .hero,
    .members-hero,
    .events-hero,
    .contact-hero,
    .join-hero,
    .activities-hero {
        height: 38vh !important;
        min-height: 240px !important;
        margin-top: 60px !important;
    }
}

/* =============== メンバーカード統一（見切れ防止）=============== */
@media (max-width: 768px) {
    /* グリッドレイアウト統一 */
    .members-grid,
    .executive-grid,
    .auditors-grid,
    .special-members-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
        justify-content: center !important;
        max-width: 100% !important;
        padding: 0 10px !important;
    }
    
    /* 副理事長グリッド（2列・中央寄せ・見切れ防止） */
    .vice-chairman-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
        max-width: 100% !important;
        padding: 0 16px !important;
        margin: 0 auto 40px !important;
    }
    
    /* カード統一 */
    .member-card {
        width: 100% !important;
        max-width: none !important;
    }
    
    /* ★ 画像見切れ防止（最重要）★ */
    .member-image {
        width: 100% !important;
        padding-bottom: 120% !important; /* より縦長に */
        height: auto !important;
        position: relative !important;
        overflow: hidden !important;
    }
    
    .member-image img {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        object-position: center 20% !important; /* 顔が上部に来るよう調整 */
    }
    
    /* 情報エリア */
    .member-info {
        padding: 15px !important;
    }
    
    .member-name {
        font-size: 16px !important;
    }
    
    .member-position {
        font-size: 12px !important;
        line-height: 1.4 !important;
    }
    
    /* 理事長カード */
    .chairman-card {
        padding: 0 20px !important;
        max-width: 280px !important;
        margin: 0 auto 40px !important;
    }
    
    .chairman-card .member-card {
        max-width: 100% !important;
    }
    
    .chairman-card .member-name {
        font-size: 20px !important;
    }
    
    .chairman-card .member-position {
        font-size: 14px !important;
    }
    
    /* 委員会タイトル */
    .committee-title {
        font-size: 20px !important;
        margin-bottom: 25px !important;
    }
}

@media (max-width: 576px) {
    /* 1列表示 + 中央寄せ */
    .members-grid,
    .executive-grid,
    .auditors-grid,
    .special-members-grid,
    .vice-chairman-grid {
        grid-template-columns: 1fr !important;
        max-width: var(--mobile-card-max-width) !important;
        margin-left: auto !important;
        margin-right: auto !important;
        gap: 25px !important;
        padding: 0 16px !important;
    }
    
    .member-image {
        padding-bottom: 110% !important;
    }
    
    .member-image img {
        object-position: center 15% !important;
    }
    
    .member-name {
        font-size: 17px !important;
    }
    
    .member-position {
        font-size: 13px !important;
    }
    
    .committee-title {
        font-size: 18px !important;
    }
    
    .chairman-card {
        max-width: 260px !important;
    }
}

/* =============== ニュース・イベントカード統一 =============== */
@media (max-width: 768px) {
    .news-items {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
    }
    
    .news-item img,
    .event-image {
        height: 200px !important;
    }
    
    .news-content,
    .event-content {
        padding: 20px !important;
    }
    
    .news-content h3,
    .event-title {
        font-size: 18px !important;
    }
    
    .news-content p,
    .event-excerpt {
        font-size: 14px !important;
    }
}

/* =============== ミッション・活動カード統一 =============== */
@media (max-width: 768px) {
    .mission-values {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .mission-value {
        padding: 30px 20px !important;
    }
    
    .mission-value h3 {
        font-size: 18px !important;
    }
    
    .mission-value p {
        font-size: 14px !important;
    }
    
    .activities-items {
        grid-template-columns: 1fr !important;
    }
    
    .activity-item {
        height: 300px !important;
    }
    
    .activity-content h3 {
        font-size: 20px !important;
    }
}

/* =============== お問い合わせセクション統一 =============== */
@media (max-width: 768px) {
    .contact-cta-content {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
    
    .contact-cta-text {
        text-align: center !important;
        padding: 0 !important;
    }
    
    .contact-info {
        align-items: center !important;
    }
    
    .contact-item {
        font-size: 14px !important;
        justify-content: center !important;
        text-align: center !important;
        flex-wrap: wrap !important;
    }
    
    .email-contact-box {
        padding: 25px 20px !important;
        max-width: 100% !important;
    }
    
    .email-contact-box h3 {
        font-size: 18px !important;
    }
    
    .email-btn {
        padding: 12px 20px !important;
        font-size: 14px !important;
        min-width: auto !important;
    }
}

/* =============== 入会案内CTA統一 =============== */
@media (max-width: 768px) {
    .join-cta-section {
        padding: 60px 0 !important;
    }
    
    .join-cta-content h2 {
        font-size: 24px !important;
    }
    
    .join-cta-content p {
        font-size: 15px !important;
    }
}

@media (max-width: 576px) {
    .join-cta-content h2 {
        font-size: 22px !important;
    }
    
    .join-cta-content p {
        font-size: 14px !important;
    }
}

/* =============== PDF表示（スマホ対応）=============== */
@media (max-width: 768px) {
    .pdf-embed {
        display: none !important;
    }
    
    .pdf-fallback {
        display: block !important;
        padding: 40px 20px !important;
        text-align: center !important;
        background: #f8f9fa !important;
        border-radius: 12px !important;
        margin: 0 !important;
    }
    
    .pdf-fallback h4 {
        font-size: 18px !important;
        margin-bottom: 15px !important;
        color: #1E3A5F !important;
    }
    
    .pdf-fallback p {
        font-size: 14px !important;
        color: #666 !important;
        margin-bottom: 20px !important;
        line-height: 1.6 !important;
    }
    
    .pdf-controls {
        flex-direction: column !important;
        gap: 15px !important;
        text-align: center !important;
    }
    
    .pdf-actions {
        flex-direction: column !important;
        gap: 10px !important;
        width: 100% !important;
    }
    
    .pdf-btn {
        width: 100% !important;
        justify-content: center !important;
    }
}

/* =============== フッター統一 =============== */
@media (max-width: 768px) {
    footer {
        padding: 40px 0 20px !important;
    }
    
    .footer-primary {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
        text-align: center !important;
    }
    
    .footer-logo {
        justify-content: center !important;
    }
    
    .footer-logo .jci-logo {
        height: 40px !important;
        width: 40px !important;
    }
    
    .footer-logo-text .logo-main {
        font-size: 16px !important;
    }
    
    .footer-stats {
        justify-content: center !important;
    }
    
    .social-links {
        justify-content: center !important;
    }
    
    .footer-links-section h3,
    .footer-contact-section h3 {
        text-align: center !important;
        border-bottom: none !important;
    }
    
    .footer-links-section h3::after,
    .footer-contact-section h3::after {
        display: none !important;
    }
    
    .footer-links {
        text-align: center !important;
    }
    
    .copyright {
        font-size: 12px !important;
    }
}

/* =============== 汎用ユーティリティ =============== */
@media (max-width: 768px) {
    /* 中央寄せヘルパー */
    .mobile-center {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    /* 1要素の中央寄せ */
    .single-item-center {
        display: flex !important;
        justify-content: center !important;
    }
    
    /* テキスト改行制御 */
    .mobile-break {
        display: block !important;
    }
    
    /* PC用改行を非表示 */
    br.desktop-only {
        display: none !important;
    }
}

/* =============== タッチデバイス最適化 =============== */
@media (hover: none) and (pointer: coarse) {
    /* タップ領域の拡大 */
    nav ul li a {
        min-height: 48px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .btn,
    .pdf-btn,
    .contact-btn {
        min-height: 48px !important;
    }
    
    /* ホバー効果を無効化 */
    .member-card:hover,
    .news-item:hover,
    .activity-item:hover {
        transform: none !important;
    }
    
    /* タップ時のフィードバック */
    .member-card:active,
    .news-item:active {
        transform: scale(0.98) !important;
    }
}

/* =============== セーフエリア対応（ノッチ付き端末）=============== */
@supports (padding-top: env(safe-area-inset-top)) {
    header {
        padding-top: calc(12px + env(safe-area-inset-top)) !important;
    }
    
    footer {
        padding-bottom: calc(20px + env(safe-area-inset-bottom)) !important;
    }
}