/* ======== Liquid Glass Design & Apple-style UI (Updated) ======== */

/* ----------------------------------------------
 * 基本変数定義
 * ---------------------------------------------- */
 :root {
    --primary-blue-start: #007aff;
    --primary-blue-end: #5ac8fa;
    --primary-gradient: linear-gradient(135deg, var(--primary-blue-start) 0%, var(--primary-blue-end) 100%);
    --text-gradient-up: linear-gradient(to top, #5ac8fa, #007aff);

    --text-dark: #1d1d1f;
    --text-light: #6e6e73;

    --glass-bg: rgba(242, 242, 247, 0.75);
    --glass-border-color: rgba(255, 255, 255, 0.6);
    --glass-blur: blur(20px);
    --glass-saturate: saturate(180%);

    --border-radius: 20px;
    --soft-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --soft-shadow-hover: 0 12px 40px 0 rgba(31, 38, 135, 0.15);

    /* モバイルナビゲーション用の変数を追加 */
    --header-height: 72px;
    --mobile-nav-padding-top: 100px;
}

/* ----------------------------------------------
 * 基本スタイル
 * ---------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ----------------------------------------------
 * ヘッダー
 * ---------------------------------------------- */
.header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-saturate) var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
    border-bottom: 1px solid var(--glass-border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
    min-height: var(--header-height);
}
.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo-section .site-name, .seiun-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo-section .subtitle {
    font-size: 0.875rem;
    color: var(--primary-blue-start);
    font-weight: 500;
}
.seiun-title {
   font-size: 2rem;
}

/* ----------------------------------------------
 * ハンバーガーメニュー
 * ---------------------------------------------- */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1002;
}
.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--primary-blue-start);
    border-radius: 10px;
    transition: all 0.3s ease-in-out;
    position: relative;
    transform-origin: center;
}
.hamburger.active span:first-child {
    transform: translateY(10.5px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}
.hamburger.active span:last-child {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* ----------------------------------------------
 * ナビゲーション
 * ---------------------------------------------- */
.nav-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-saturate) var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
    border-bottom: 1px solid var(--glass-border-color);
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 999;
    transition: all 0.3s ease;
}
.main-nav { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.nav-list { display: flex; list-style: none; margin: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.nav-list::-webkit-scrollbar { display: none; }
.nav-link { display: block; padding: 1rem 1.5rem; color: var(--text-dark); text-decoration: none; transition: all 0.3s ease; position: relative; white-space: nowrap; font-size: 0.9rem; font-weight: 500; }
.nav-link:hover { color: var(--primary-blue-start); background: rgba(255, 255, 255, 0.3); }
.nav-link.active { color: var(--primary-blue-start); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 1.5rem; right: 1.5rem; height: 3px; background: var(--primary-gradient); border-radius: 3px; }
.additional-nav { background: rgba(242, 242, 247, 0.3); padding: 0.5rem 0; }
.additional-nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    font-size: 0.875rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    align-items: center;
}
.additional-nav a {
    color: var(--text-dark);
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.3s ease;
}
.additional-nav a:hover { color: var(--primary-blue-start); }


.additional-nav a[aria-current="page"] {
    color: var(--primary-blue-start);
    font-weight: 600;
}
/* ----------------------------------------------
 * ヒーローセクション
 * ---------------------------------------------- */
.hero { position: relative; min-height: 400px; display: flex; align-items: center; justify-content: center; text-align: center; color: white; padding: 2rem; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(45, 110, 175, 0.60), rgba(55, 150, 255, 0.50)); z-index: 1; pointer-events: none; }
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1.2s ease, transform 5.5s ease, filter 0.7s ease;
}
.hero-bg.show {
    opacity: 1;
    transform: scale(1);
}
.hero-bg.hero-bg--loading {
    filter: blur(14px);
}
.hero-bg-1, .hero-bg-2 {
    z-index: 0;
}
.hero-content { max-width: 800px; margin: 0 auto; position: relative; z-index: 2; }
.hero h2 { font-size: 2.5rem; margin-bottom: 1rem; animation: fadeInUp 0.8s ease; }
.hero p { font-size: 1.125rem; opacity: 0.95; animation: fadeInUp 0.8s ease 0.2s both; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ----------------------------------------------
 * メインコンテンツ & カードスタイル
 * ---------------------------------------------- */
.main-content { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; display: grid; grid-template-columns: 1fr; gap: 2rem; }
.content-section, .sidebar, .facility-card, .contact-card { background: var(--glass-bg); backdrop-filter: var(--glass-saturate) var(--glass-blur); -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur); border-radius: var(--border-radius); border: 1px solid var(--glass-border-color); box-shadow: var(--soft-shadow); padding: 2rem; transition: all 0.4s ease; }
.content-section:hover, .sidebar:hover, .facility-card:hover { box-shadow: var(--soft-shadow-hover); transform: translateY(-5px); }

/* ----------------------------------------------
 * サイドバー
 * ---------------------------------------------- */
.sidebar { padding: 1.5rem; height: fit-content; }
.sidebar h3 { color: var(--primary-blue-start); font-size: 1.125rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid rgba(0,0,0,0.1); }
.sidebar-links { list-style: none; margin-bottom: 2rem; }
.sidebar-links li { margin-bottom: 0.5rem; }
.sidebar-links a { display: block; padding: 0.75rem; color: var(--text-dark); text-decoration: none; border-radius: 10px; transition: all 0.3s ease; }
.sidebar-links a:hover { background: rgba(0, 122, 255, 0.1); color: var(--primary-blue-start); transform: translateX(4px); }
.cta-button { display: block; background: var(--primary-gradient); color: white; text-align: center; padding: 1rem; border-radius: 15px; text-decoration: none; font-weight: 600; transition: all 0.3s ease; margin-bottom: 2rem; border: none; box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3); }
.cta-button:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 25px rgba(0, 122, 255, 0.4); }
.contact-card { background: rgba(0, 122, 255, 0.05); padding: 1.5rem; font-size: 0.875rem; line-height: 1.8; }
.contact-card a { color: var(--primary-blue-start); text-decoration: none; transition: color 0.3s ease; }
.contact-card a:hover { color: var(--primary-blue-end); }

/* ----------------------------------------------
 * コンテンツセクション
 * ---------------------------------------------- */
.content-section { margin-bottom: 2rem; animation: fadeIn 0.6s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--text-gradient-up);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid;
    border-image: var(--primary-gradient) 1;
    display: inline-block;
}
.content-text { color: var(--text-dark); margin-bottom: 1.5rem; line-height: 1.8; }
.content-with-image { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: start; }
.image-container { position: relative; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--soft-shadow); }
.image-container img { width: 100%; height: 100%; object-fit: cover; display: block; }
.placeholder-image { background: rgba(230,230,230,0.5); border: 1px dashed rgba(0,0,0,0.2); padding: 40px; text-align: center; color: var(--text-light); min-height: 200px; display: flex; align-items: center; justify-content: center; font-size: 14px; border-radius: var(--border-radius); }
.facilities-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.facility-card h4 { color: var(--primary-blue-start); margin-bottom: 0.5rem; }
.facility-card ul { padding-left: 20px; margin-top: 1rem; }

/* SEO対策用の追加スタイル */
.highlight-keyword {
    font-weight: bold;
    color: #0066cc;
}

.seo-content {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.seo-intro {
    font-size: 1.1em;
    line-height: 1.8;
    margin-bottom: 2rem;
}

/* 入寮時特待生制度アコーディオンのスタイル */
.scholarship-accordion {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 2px solid #2196f3;
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
}

.scholarship-accordion summary {
    padding: 1rem 1.5rem;
    cursor: pointer;
    list-style: none;
    font-size: 1.05em;
    color: #1565c0;
    background: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.scholarship-accordion summary::-webkit-details-marker {
    display: none;
}

.scholarship-accordion summary::before {
    content: '▼';
    display: inline-block;
    margin-right: 0.5rem;
    transition: transform 0.3s ease;
}

.scholarship-accordion[open] summary::before {
    transform: rotate(-180deg);
}

.scholarship-accordion summary:hover {
    background: rgba(255, 255, 255, 0.8);
}

.scholarship-content {
    padding: 1rem 1.5rem 1.5rem;
    background: white;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scholarship-content p {
    margin-bottom: 0.5rem;
}

.scholarship-content p:last-child {
    margin-bottom: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.feature-item h3 {
    color: #0066cc;
    margin-bottom: 0.5rem;
}

.faq-section {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

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

.faq-item h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.cta-section {
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    color: white;
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 3rem;
}

.cta-section h2 {
    font-size: 2em;
    margin-bottom: 1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button.primary {
    background: white;
    color: #0066cc;
    font-weight: bold;
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.hero-cta {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.breadcrumb {
    padding: 1rem;
    background-color: #f8f9fa;
}

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #0066cc;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

.footer-keywords {
    font-size: 0.9em;
    color: #666;
    line-height: 1.6;
}

mark {
    background-color: #fff3cd;
    padding: 2px 4px;
    border-radius: 3px;
}

/* 説明リスト */
.definition-list {
    margin-top: 1rem;
}
.definition-list-item {
    display: flex;
    align-items: baseline;
    margin-bottom: 0.5em;
}
.definition-list-item dt {
    flex-shrink: 0;
    font-weight: bold;
    white-space: nowrap;
}
.definition-list-item dd {
    margin-left: 0.5em;
}

/* ----------------------------------------------
 * タイムライン (沿革)
 * ---------------------------------------------- */
.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid;
    border-image: var(--primary-gradient) 1;
    margin-top: 2rem;
}
.timeline-item { position: relative; margin-bottom: 2rem; padding-left: 1.5rem; }
.timeline-item:last-of-type { margin-bottom: 0; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-2rem - 11px);
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--primary-gradient);
    border-radius: 50%;
    border: 4px solid white;
    z-index: 1;
}
.timeline-date { color: var(--primary-blue-start); font-weight: 600; margin-bottom: 0.5rem; }

/* ----------------------------------------------
 * ニュース記事
 * ---------------------------------------------- */
.news-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.news-date {
    flex-shrink: 0;
    color: var(--primary-blue-start);
    font-weight: 600;
    min-width: 100px;
}

.news-content {
    flex: 1;
}

/* ----------------------------------------------
 * フッター
 * ---------------------------------------------- */
.footer {
    background: linear-gradient(180deg, #0a0e27 0%, #1a1d35 50%, #0a0e27 100%);
    color: #d1d1d6;
    padding: 4rem 1rem 1rem;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-blue-start), var(--primary-blue-end), transparent);
}
.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 0%, rgba(0, 122, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}
.footer-section h3 {
    margin-bottom: 1rem;
    font-weight: 600;
    background: var(--text-gradient-up);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}
.footer-section ul {
    list-style: none;
    padding: 0;
}
.footer-section a {
    color: #a8adc0;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    padding-left: 0;
    position: relative;
}
.footer-section a::before {
    content: '→';
    position: absolute;
    left: -1.2rem;
    opacity: 0;
    transition: all 0.3s ease;
    color: var(--primary-blue-end);
}
.footer-section a:hover {
    color: var(--primary-blue-end);
    padding-left: 1.2rem;
}
.footer-section a:hover::before {
    opacity: 1;
    left: 0;
}
.footer-brand {
    max-width: 1200px;
    margin: 4rem auto 3rem;
    padding: 1rem;
    overflow: visible;
    position: relative;
    z-index: 1;
}
.footer-brand-text {
    font-size: clamp(3.5rem, 15vw, 13rem);
    font-weight: 900;
    background: linear-gradient(135deg,
        rgba(0, 122, 255, 0.2) 0%,
        rgba(90, 200, 250, 0.4) 25%,
        rgba(0, 122, 255, 0.25) 50%,
        rgba(90, 200, 250, 0.4) 75%,
        rgba(0, 122, 255, 0.2) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    margin: 0;
    padding: 0.5rem 0;
    letter-spacing: -0.05em;
    user-select: none;
    pointer-events: none;
    animation: shimmer 8s ease-in-out infinite;
    text-align: center;
    font-family: "Montserrat", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
    text-transform: uppercase;
    font-style: italic;
    transform: skewY(-2deg);
    filter: drop-shadow(0 0 30px rgba(0, 122, 255, 0.3));
}
@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #6e7280;
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

/* ----------------------------------------------
 * その他コンポーネント
 * ---------------------------------------------- */
.image-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin: 2rem 0; }
.gallery-item { border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--soft-shadow); transition: all 0.3s ease; position: relative; }
.gallery-item:hover { transform: scale(1.05) translateY(-5px); box-shadow: var(--soft-shadow-hover); }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; display: block; }
.gallery-caption { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(5px); color: white; padding: 0.75rem; font-size: 0.875rem; text-align: center; }

.founder-section { display: flex; align-items: start; gap: 2rem; flex-wrap: wrap; }
.founder-image { width: 150px; height: 200px; border-radius: var(--border-radius); overflow: hidden; box-shadow: var(--soft-shadow); }
.founder-image img { width: 100%; height: 100%; object-fit: cover; }
.founder-content { flex: 1; min-width: 300px; }

/* ----------------------------------------------
 * モバイル対応 & レスポンシブ
 * ---------------------------------------------- */
@media (min-width: 768px) {
    .main-content { grid-template-columns: 280px 1fr; }
    .content-with-image { grid-template-columns: 1fr 300px; }
    .content-with-image.reverse { grid-template-columns: 300px 1fr; }
    .content-with-image.reverse .image-container { order: -1; }
}

@media (min-width: 992px) {
    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        overflow-x: visible;
    }
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .seiun-title { display: none; }
    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--glass-bg);
        backdrop-filter: var(--glass-saturate) var(--glass-blur);
        -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
        border-left: 1px solid var(--glass-border-color);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        box-shadow: none;
        overflow-y: auto;
    }
    .nav-container.active { right: 0; }
    .nav-list {
        flex-direction: column;
        padding-top: var(--mobile-nav-padding-top);
        padding-bottom: 2rem;
    }
    .nav-link {
        padding: 1rem 2rem;
        border-bottom: 1px solid rgba(0,0,0,0.05);
        font-size: 1rem;
    }
    .overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.2);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    .overlay.active {
        display: block;
        opacity: 1;
    }
    .hero { margin-top: 0; }
    .hero h2 { font-size: 1.75rem; }
    .hero-content h2 {
        font-size: 1.5em;
    }
    .content-section { padding: 1.5rem; }
    .sidebar { order: 2; }
    .main-content { margin-top: 1rem; }
    .founder-section { flex-direction: column; align-items: center; }
    .founder-image { margin-bottom: 1rem; }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .cta-section h2 {
        font-size: 1.5em;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .cta-button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 767px) {
    .hero { margin-top: 0; }
    .hero h2 { font-size: 1.75rem; }
    .content-section { padding: 1.5rem; }
    .sidebar { order: 2; }
    .main-content { margin-top: 1rem; }
    .founder-section { flex-direction: column; align-items: center; }
    .founder-image { margin-bottom: 1rem; }
    /* モバイル: 外枠カードを除去して情報密度を向上 */
    .content-section,
    .sidebar {
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        box-shadow: none;
        border-radius: 0;
    }
    .content-section:hover,
    .sidebar:hover {
        transform: none;
        box-shadow: none;
    }
}

/* ----------------------------------------------
 * アクセシビリティ & 印刷用スタイル
 * ---------------------------------------------- */
:focus { outline: 2px solid var(--primary-blue-start); outline-offset: 2px; }
.nav-link:hover,
.nav-link:focus {
    background-color: #f0f0f0;
    text-decoration: underline;
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* 印刷用スタイル */
@media print {
    .header, .nav-container, .additional-nav, .sidebar, .footer {
        display: none;
    }

    .main-content {
        margin: 0;
        padding: 0;
    }

    .content-area {
        width: 100%;
    }
}

/* ----------------------------------------------
 * ダークモード対応
 * ---------------------------------------------- */
@media (prefers-color-scheme: dark) {
    :root {
        --text-dark: #e0e0e0;
        --text-light: #a0a0a0;
        --glass-bg: rgba(30, 30, 30, 0.75);
        --glass-border-color: rgba(255, 255, 255, 0.1);
    }

    body {
        background-color: #121212;
        color: var(--text-dark);
    }

    .content-section, .sidebar, .facility-card, .contact-card {
        background: rgba(30, 30, 30, 0.75);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .hero {
        color: #ffffff;
    }

    .footer {
        background: #0a0a0a;
        color: #d1d1d6;
    }

    .nav-link, .sidebar-links a, .additional-nav a {
        color: var(--text-dark);
    }

    .nav-link:hover, .sidebar-links a:hover {
        background: rgba(0, 122, 255, 0.2);
    }

    .contact-card {
        background: rgba(0, 122, 255, 0.1);
    }

    .contact-form input,
    .contact-form textarea,
    .contact-form select {
        background: rgba(40, 40, 40, 0.5);
        border-color: rgba(255, 255, 255, 0.2);
        color: var(--text-dark);
    }

    .contact-form input:focus,
    .contact-form textarea:focus,
    .contact-form select:focus {
        background: rgba(50, 50, 50, 0.7);
        border-color: var(--primary-blue-start);
    }
}
/* フォーム専用のスタイル */
.contact-form-section {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-saturate) var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border-color);
    box-shadow: var(--soft-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue-start);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.option-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-pill:hover {
    border-color: rgba(0, 122, 255, 0.35);
    transform: translateY(-1px);
}

.option-pill input {
    width: auto;
    margin: 0;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-submit-frame {
    width: 0;
    height: 0;
    border: 0;
    position: absolute;
    left: -9999px;
    top: -9999px;
}

.honeypot-field {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    height: 0;
    width: 0;
    z-index: -1;
}

.submit-button {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 15px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
    display: block;
    margin: 2rem auto 0;
    min-width: 200px;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.4);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#formMessage {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
}

#formMessage.success {
    background: rgba(52, 199, 89, 0.1);
    color: #34c759;
    border: 1px solid rgba(52, 199, 89, 0.3);
}

#formMessage.error {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

#customInquiryForm.is-hidden,
#contactFormIntro.is-hidden {
    display: none;
}

.contact-success-panel {
    margin-top: 1.5rem;
}

.contact-success-panel[hidden] {
    display: none !important;
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .contact-form-section {
        padding: 1.5rem;
    }

    .submit-button {
        width: 100%;
        padding: 1rem 2rem;
    }
}


/* ── Hero modern layout ── */
.hero { min-height: clamp(300px, 38vw, 420px); padding: 0; background: #0c1524; isolation: isolate; position: relative; z-index: 0; overflow: hidden; }
.hero-layout {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  width: min(100%, 1200px); margin: 0 auto;
  min-height: inherit;
  padding: clamp(1.2rem, 3vw, 2rem) 1rem;
}
.hero-content {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.35rem; width: min(100%, 1040px); text-align: center; max-width: none;
}
.hero-title {
  margin: 0; color: #fff;
  font-family: "SF Pro Display", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  line-height: 1.04; letter-spacing: -0.06em; font-weight: 700;
  text-shadow: 0 18px 40px rgba(7,16,32,0.42); text-wrap: balance;
  word-break: keep-all; overflow-wrap: normal;
}
@media (min-width: 768px) {
  .hero-title { white-space: nowrap; }
}
.hero-actions {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.85rem; width: min(100%, 760px);
}
.hero-btn {
  flex: 0 1 auto; display: inline-flex; align-items: center; justify-content: center;
  min-width: clamp(11.5rem, 22vw, 13.5rem); min-height: 3.35rem;
  padding: 0.9rem 1.4rem; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2); text-decoration: none;
  font-size: 0.95rem; font-weight: 700;
  transition: transform 0.24s ease, box-shadow 0.24s ease, background 0.24s ease, border-color 0.24s ease;
  backdrop-filter: blur(20px) saturate(165%);
  -webkit-backdrop-filter: blur(20px) saturate(165%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 18px 42px rgba(7,16,32,0.18);
}
.hero-btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.32); }
.hero-btn:focus-visible { outline: 2px solid rgba(255,255,255,0.88); outline-offset: 3px; }
.hero-btn--primary { background: rgba(255,255,255,0.94); color: #0b1728; }
.hero-btn--secondary { background: rgba(255,255,255,0.14); color: #fff; }
.hero-subtitle { margin: 0; color: rgba(255,255,255,0.82); font-size: clamp(0.95rem, 2vw, 1.1rem); font-weight: 400; letter-spacing: 0.01em; line-height: 1.7; text-shadow: 0 2px 8px rgba(7,16,32,0.3); }
@media (max-width: 960px) {
  .hero { min-height: clamp(280px, 46vw, 360px); }
}
@media (max-width: 768px) {
  .hero { min-height: clamp(280px, 82vw, 340px); }
  .hero-title { font-size: clamp(2rem, 11vw, 3.1rem); }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-btn { width: 100%; max-width: 22rem; flex: none; }
}


/* ----------------------------------------------
 * サブナビ (nav-subnav / additional-nav) 制御
 * ---------------------------------------------- */
/* デスクトップ: nav-subnavを非表示 */
@media (min-width: 769px) {
    .nav-subnav { display: none; }
}

/* モバイル: additional-navを非表示、nav-subnavをハンバーガー内に表示 */
@media (max-width: 768px) {
    .additional-nav { display: none; }
    .nav-subnav {
        border-top: 2px solid rgba(0,0,0,0.06);
        margin-top: 0.5rem;
        padding-top: 0.5rem;
    }
    .nav-subnav-label {
        display: block;
        padding: 0.5rem 2rem;
        font-size: 0.72rem;
        font-weight: 700;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--text-light);
    }
    .nav-subnav a {
        display: block;
        padding: 0.75rem 2rem;
        color: var(--text-dark);
        text-decoration: none;
        font-size: 0.9rem;
        border-bottom: 1px solid rgba(0,0,0,0.04);
        transition: color 0.2s;
    }
    .nav-subnav a:hover { color: var(--primary-blue-start); }
}


.hero-divider {
  display: none;
  align-items: center;
  gap: 0.6rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  width: 100%;
}
.hero-divider::before,
.hero-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.22);
}
@media (max-width: 768px) {
  .hero-divider { display: flex; }
}

/* ----------------------------------------------
 * Contact Page Redesign
 * ---------------------------------------------- */
.contact-page {
    --contact-bg: #ffffff;
    --contact-surface: rgba(242, 242, 247, 0.72);
    --contact-surface-strong: rgba(255, 255, 255, 0.92);
    --contact-line: rgba(255, 255, 255, 0.65);
    --contact-ink: var(--text-dark);
    --contact-muted: var(--text-light);
    --contact-accent: var(--primary-blue-start);
    --contact-warm: var(--primary-blue-start);
    --contact-shadow: var(--soft-shadow);
    position: relative;
    display: grid;
    gap: clamp(1.25rem, 2.6vw, 2rem);
    padding-block: clamp(1.25rem, 2vw, 2.5rem);
    color: var(--contact-ink);
    font-family: inherit;
}

.contact-page::before,
.contact-page::after {
    content: "";
    position: absolute;
    inset: auto;
    border-radius: 999px;
    pointer-events: none;
    filter: blur(12px);
    opacity: 0.85;
}

.contact-page::before {
    top: 4rem;
    right: -6rem;
    width: 18rem;
    height: 18rem;
    background: radial-gradient(circle, rgba(90, 200, 250, 0.18), rgba(90, 200, 250, 0));
    animation: contactFloat 14s ease-in-out infinite;
}

.contact-page::after {
    bottom: 2rem;
    left: -4rem;
    width: 16rem;
    height: 16rem;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.12), rgba(0, 122, 255, 0));
    animation: contactFloat 18s ease-in-out infinite reverse;
}

.contact-page > section {
    position: relative;
    z-index: 1;
    animation: contactRise 0.8s ease both;
}

.contact-page > section:nth-child(2) { animation-delay: 0.08s; }
.contact-page > section:nth-child(3) { animation-delay: 0.14s; }
.contact-page > section:nth-child(4) { animation-delay: 0.2s; }
.contact-page > section:nth-child(5) { animation-delay: 0.26s; }
.contact-page > section:nth-child(6) { animation-delay: 0.32s; }

@keyframes contactRise {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes contactFloat {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(0, -14px, 0); }
}

.contact-panel {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.45)),
        var(--contact-surface);
    border: 1px solid var(--contact-line);
    border-radius: 2rem;
    box-shadow: var(--contact-shadow);
    backdrop-filter: var(--glass-saturate) var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
}

.contact-kicker {
    margin: 0 0 0.9rem;
    color: var(--contact-warm);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.contact-display,
.contact-section-title {
    margin: 0;
    color: var(--contact-ink);
    font-family: inherit;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.contact-display {
    font-size: clamp(2rem, 4.2vw, 3.4rem);
    max-width: 14em;
}

.contact-section-title {
    font-size: clamp(1.55rem, 2.4vw, 2.2rem);
}

.contact-lead,
.contact-section-copy,
.contact-page p,
.contact-page li,
.contact-page dd {
    color: var(--contact-muted);
    line-height: 1.8;
}

.contact-page a {
    color: var(--contact-accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.contact-overview {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.9fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    padding: clamp(1.75rem, 3vw, 3rem);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(242, 247, 255, 0.5)),
        linear-gradient(145deg, rgba(11, 23, 40, 0.02), rgba(90, 200, 250, 0.08));
}

.contact-overview__intro {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.2rem;
}

.contact-overview__rail {
    display: grid;
    gap: 1rem;
}

.contact-rail-block,
.contact-rail-meta {
    padding: 1.2rem 1.25rem;
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.88);
    color: var(--contact-muted);
    border: 1px solid rgba(255, 255, 255, 0.75);
    box-shadow: 0 10px 24px rgba(31, 38, 135, 0.08);
}

.contact-rail-block strong,
.contact-rail-meta strong {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--contact-ink);
    font-size: 1.05rem;
}

.contact-rail-label {
    display: inline-block;
    margin-bottom: 0.55rem;
    color: var(--primary-blue-start);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.contact-bullet-list {
    display: grid;
    gap: 0.55rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.contact-bullet-list li {
    position: relative;
    padding-left: 1rem;
    color: var(--contact-muted);
}

.contact-bullet-list li::before {
    content: "";
    position: absolute;
    top: 0.82em;
    left: 0;
    width: 0.38rem;
    height: 0.38rem;
    border-radius: 50%;
    background: var(--primary-blue-end);
}

.contact-rail-meta {
    background: rgba(242, 242, 247, 0.86);
    color: var(--contact-muted);
}

.contact-rail-meta span {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--contact-warm);
}

.contact-rail-meta strong {
    color: var(--contact-ink);
}

.contact-channel-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.contact-channel-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 18rem;
    padding: clamp(1.4rem, 2.5vw, 2rem);
    border-radius: 1.8rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-color);
    box-shadow: var(--soft-shadow);
    backdrop-filter: var(--glass-saturate) var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
}

.contact-channel-card--accent {
    background: linear-gradient(160deg, rgba(0, 122, 255, 0.12) 0%, rgba(90, 200, 250, 0.16) 100%);
}

.contact-channel-card h3,
.contact-visit__steps h3,
.contact-faq-item h3 {
    margin: 0 0 0.6rem;
    color: var(--contact-ink);
    font-size: 1.45rem;
    line-height: 1.4;
}

.contact-channel-card p {
    margin: 0;
    color: var(--contact-muted);
}

.contact-channel-card__footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    align-items: end;
    justify-content: space-between;
}

.contact-channel-card__footer strong {
    display: flex;
    align-items: flex-end;
    color: var(--primary-blue-start);
    font-size: clamp(1.2rem, 2.8vw, 1.7rem);
    line-height: 1.3;
    word-break: break-all;
    min-height: 4.5rem;
}

.contact-channel-card__footer--mail {
    align-items: center;
}

.contact-channel-card__footer--mail strong {
    flex: 1 1 18rem;
}

.contact-channel-card__footer--mail a {
    margin-left: auto;
    flex: 0 0 auto;
}

.contact-channel-card__footer a,
.contact-access-link,
.submit-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.3rem;
    padding: 0.95rem 1.35rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.contact-channel-card__footer a {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}

.contact-channel-card__footer a:hover,
.contact-access-link:hover,
.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
}

.contact-scenarios {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.contact-scenario {
    padding: 1.5rem;
    border-radius: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border-color);
    box-shadow: var(--soft-shadow);
    backdrop-filter: var(--glass-saturate) var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-saturate) var(--glass-blur);
}

.contact-scenario__index {
    margin: 0 0 1rem;
    color: rgba(0, 122, 255, 0.42);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.22em;
}

.contact-scenario h3 {
    margin: 0 0 0.65rem;
    color: var(--contact-ink);
    font-size: 1.18rem;
}

.contact-form-stage {
    padding: clamp(1.5rem, 2.8vw, 2.5rem);
}

.contact-form-stage__heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
    gap: 1.2rem 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid rgba(20, 31, 47, 0.08);
}

.contact-form-stage__grid {
    display: grid;
    grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(1.2rem, 2.5vw, 2rem);
    align-items: start;
}

.contact-form-aside {
    position: sticky;
    top: 9rem;
    display: grid;
    gap: 1rem;
}

.contact-form-aside__block {
    padding: 1.2rem;
    border-radius: 1.4rem;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--glass-border-color);
    box-shadow: 0 8px 24px rgba(31, 38, 135, 0.08);
}

.contact-form-aside__block strong {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--contact-ink);
    font-size: 1rem;
}

.contact-form-aside .contact-rail-label {
    color: var(--contact-warm);
}

.contact-form-aside .contact-bullet-list li {
    color: var(--contact-muted);
}

.contact-form-aside .contact-bullet-list li::before {
    background: var(--primary-blue-start);
}

.contact-form-panel {
    padding: clamp(1.2rem, 2vw, 1.7rem);
    border-radius: 1.6rem;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--glass-border-color);
    box-shadow: 0 8px 24px rgba(31, 38, 135, 0.06);
}

.contact-form {
    margin-top: 1.4rem;
}

.contact-form-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.1rem;
}

.form-group--full {
    grid-column: 1 / -1;
}

.contact-page .form-group {
    margin-bottom: 0;
}

.contact-page .form-group label {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.55rem;
    color: var(--contact-ink);
    font-weight: 700;
}

.required-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.7rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: rgba(0, 122, 255, 0.09);
    color: var(--primary-blue-start);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.contact-page .form-group input,
.contact-page .form-group textarea {
    padding: 1rem 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(20, 31, 47, 0.12);
    background: #fff;
    color: var(--contact-ink);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.contact-page .form-group input::placeholder,
.contact-page .form-group textarea::placeholder {
    color: #8a95a4;
}

.contact-page .form-group input:focus,
.contact-page .form-group textarea:focus {
    border-color: rgba(0, 122, 255, 0.4);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.08);
}

.option-pill {
    padding: 0.95rem 1.1rem;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(20, 31, 47, 0.1);
    font-weight: 500;
}

.option-pill:has(input:checked) {
    border-color: rgba(0, 122, 255, 0.4);
    background: rgba(0, 122, 255, 0.08);
    color: var(--primary-blue-start);
    box-shadow: 0 10px 22px rgba(0, 122, 255, 0.08);
}

.contact-page .form-note {
    margin-top: 0.45rem;
    color: #7c8795;
}

.contact-ai-response {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
    margin-top: 1.25rem;
    padding: 1.15rem 1.2rem;
    border-radius: 1.35rem;
    background: rgba(0, 122, 255, 0.05);
    border: 1px solid rgba(0, 122, 255, 0.14);
}

.contact-ai-response[hidden] {
    display: none !important;
}

.contact-ai-response__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.9rem;
    margin-bottom: 0.55rem;
}

.contact-ai-response__header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--contact-ink, var(--text-dark));
}

.contact-ai-response__status {
    margin: 0 0 0.7rem;
    color: #516071;
    font-size: 0.95rem;
}

.contact-ai-response__answer {
    color: var(--contact-ink, var(--text-dark));
    line-height: 1.8;
}

.contact-ai-response__answer p + p {
    margin-top: 0.8rem;
}

.contact-ai-response__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 0.95rem;
}

.contact-ai-response__links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 0.95rem;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(20, 31, 47, 0.08);
    color: var(--primary-blue-start);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
}

.contact-ai-response__note {
    margin: 0.95rem 0 0;
    color: #6f7d8d;
    font-size: 0.84rem;
}

.form-note--error {
    display: none;
    color: #d93025;
}

.submit-button {
    min-width: 13rem;
    margin: 1.5rem 0 0;
    background: var(--primary-gradient);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.3);
}

#formMessage {
    text-align: left;
}

.contact-success-panel {
    margin-top: 1.5rem;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.contact-success-panel__inner {
    padding: 1.45rem;
    border-radius: 1.5rem;
    background: rgba(0, 122, 255, 0.05);
    border: 1px solid rgba(0, 122, 255, 0.14);
}

.contact-success-panel__inner h3 {
    margin: 0 0 0.8rem;
    color: var(--contact-ink);
    font-size: 1.55rem;
}

.contact-success-panel__inner p {
    margin: 0;
}

.contact-success-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
    margin-top: 1.2rem;
}

.contact-success-grid a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 4rem;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--glass-border-color);
    text-decoration: none;
    text-align: center;
    color: var(--contact-ink);
    font-weight: 700;
}

.contact-visit {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1.2rem 1.6rem;
    padding: clamp(1.5rem, 2.6vw, 2.4rem);
}

.contact-visit__copy p:last-child {
    margin-bottom: 0;
}

.contact-visit__steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.contact-visit__steps article {
    padding: 1.25rem;
    border-radius: 1.4rem;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--glass-border-color);
    box-shadow: 0 8px 24px rgba(31, 38, 135, 0.08);
}

.contact-visit__steps span {
    display: inline-block;
    margin-bottom: 0.8rem;
    color: var(--primary-blue-start);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.contact-visit__steps p {
    margin: 0;
    color: var(--contact-muted);
}

.contact-answers {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 1rem;
}

.contact-faq-panel,
.contact-access-panel {
    padding: clamp(1.5rem, 2.4vw, 2.2rem);
}

.contact-faq-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.25rem;
}

.contact-faq-item {
    padding: 1.2rem 1.25rem;
    border-radius: 1.3rem;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid var(--glass-border-color);
}

.contact-faq-item h3 {
    color: var(--contact-ink);
    font-size: 1.1rem;
}

.contact-faq-item p {
    margin: 0;
}

.contact-access-list {
    display: grid;
    gap: 1rem;
    margin: 1.25rem 0 1.5rem;
}

.contact-access-list div {
    padding-bottom: 0.9rem;
    border-bottom: 1px solid rgba(20, 31, 47, 0.08);
}

.contact-access-list dt {
    margin-bottom: 0.3rem;
    color: var(--primary-blue-start);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.contact-access-list dd {
    margin: 0;
}

.contact-access-link {
    width: 100%;
    background: var(--primary-gradient);
    color: #fff !important;
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.3);
}

@media (max-width: 1024px) {
    .contact-overview,
    .contact-form-stage__heading,
    .contact-form-stage__grid,
    .contact-visit,
    .contact-answers {
        grid-template-columns: 1fr;
    }

    .contact-form-aside {
        position: static;
    }

    .contact-visit__steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .contact-page {
        gap: 1rem;
        padding-block: 0.6rem 1.5rem;
    }

    .contact-overview,
    .contact-form-stage,
    .contact-ai-guide,
    .contact-faq-panel,
    .contact-access-panel,
    .contact-visit {
        padding: 1.2rem;
        border-radius: 1.4rem;
    }

    .contact-channel-strip,
    .contact-scenarios,
    .contact-success-grid,
    .contact-form-fields {
        grid-template-columns: 1fr;
    }

    .contact-channel-card {
        min-height: auto;
        border-radius: 1.4rem;
    }

    .contact-channel-card h3 {
        font-size: 1.25rem;
    }

    .contact-channel-card__footer,
    .contact-form-stage__heading {
        align-items: start;
    }

    .contact-channel-card__footer--mail a {
        margin-left: 0;
    }

    .contact-channel-card__footer a,
    .contact-access-link,
    .submit-button {
        width: 100%;
    }

    .contact-channel-card__footer strong {
        min-height: 0;
    }

    .contact-display {
        font-size: 1.8rem;
    }

    .contact-page::before {
        right: -8rem;
        width: 14rem;
        height: 14rem;
    }

    .contact-page::after {
        left: -6rem;
        width: 12rem;
        height: 12rem;
    }
}

.contact-ai-guide {
    display: grid;
    gap: 1.25rem;
    padding: clamp(1.5rem, 2.8vw, 2.5rem);
}

.contact-ai-guide__heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--contact-line);
}

.contact-ai-guide__intro {
    padding: 1.35rem 1.5rem;
    border-radius: 24px;
    border: 1px solid rgba(0, 122, 255, 0.12);
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(90, 200, 250, 0.14));
    box-shadow: 0 14px 30px rgba(15, 31, 58, 0.08);
}

.contact-ai-guide__intro p {
    margin: 0;
    color: var(--contact-ink);
    line-height: 1.85;
}

.contact-ai-guide__rules,
.contact-ai-guide__grid {
    display: grid;
    gap: 1rem;
}

.contact-ai-guide__rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-ai-guide__rules article,
.contact-ai-card {
    padding: 1.25rem;
    border-radius: 22px;
    border: 1px solid var(--contact-line);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 12px 28px rgba(15, 31, 58, 0.08);
}

.contact-ai-guide__rules p {
    margin: 0.55rem 0 0;
    color: var(--contact-muted);
    line-height: 1.75;
}

.contact-ai-guide__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-ai-card__label {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(0, 122, 255, 0.72);
}

.contact-ai-card h3 {
    margin: 0.55rem 0 0.85rem;
    font-size: 1.05rem;
    color: var(--contact-ink);
}

.contact-ai-card__list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--contact-muted);
    display: grid;
    gap: 0.45rem;
    line-height: 1.7;
}

.contact-ai-card a {
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--contact-accent);
    text-decoration: none;
}

.contact-ai-card a:hover {
    text-decoration: underline;
}

@media (max-width: 767px) {
    .contact-ai-guide__rules,
    .contact-ai-guide__grid {
        grid-template-columns: 1fr;
    }

    .contact-ai-guide__heading {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-color-scheme: dark) {
    .contact-page {
        --contact-bg: #12161d;
        --contact-surface: rgba(22, 27, 35, 0.82);
        --contact-surface-strong: rgba(27, 33, 42, 0.94);
        --contact-line: rgba(255, 255, 255, 0.08);
        --contact-ink: #f3f6fb;
        --contact-muted: #a9b4c6;
        --contact-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
    }

    .contact-overview {
        background:
            linear-gradient(135deg, rgba(20, 25, 33, 0.92), rgba(14, 18, 25, 0.86)),
            linear-gradient(145deg, rgba(11, 23, 40, 0.28), rgba(90, 200, 250, 0.12));
    }

    .contact-rail-block,
    .contact-rail-meta,
    .contact-form-aside__block,
    .contact-form-panel,
    .contact-visit__steps article,
    .contact-faq-item,
    .contact-success-grid a {
        background: rgba(24, 29, 37, 0.9);
        border-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
    }

    .contact-rail-meta {
        background: rgba(20, 25, 33, 0.94);
    }

    .contact-channel-card,
    .contact-scenario,
    .contact-panel {
        background: rgba(22, 27, 35, 0.82);
        border-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
    }

    .contact-channel-card--accent {
        background: linear-gradient(160deg, rgba(0, 122, 255, 0.18) 0%, rgba(90, 200, 250, 0.14) 100%);
    }

    .contact-scenario__index {
        color: rgba(90, 200, 250, 0.5);
    }

    .contact-form-stage__heading,
    .contact-access-list div {
        border-color: rgba(255, 255, 255, 0.08);
    }

    .contact-page .form-group input,
    .contact-page .form-group textarea,
    .option-pill {
        background: rgba(13, 18, 25, 0.92);
        border-color: rgba(255, 255, 255, 0.12);
        color: var(--contact-ink);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    }

    .contact-page .form-group input::placeholder,
    .contact-page .form-group textarea::placeholder,
    .contact-page .form-note {
        color: #8f9aae;
    }

    .contact-page .form-group input:focus,
    .contact-page .form-group textarea:focus {
        border-color: rgba(90, 200, 250, 0.45);
        box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.14);
    }

    .option-pill:has(input:checked) {
        background: rgba(0, 122, 255, 0.16);
        border-color: rgba(90, 200, 250, 0.4);
        color: #dceeff;
        box-shadow: 0 10px 22px rgba(0, 122, 255, 0.14);
    }

    .required-mark {
        background: rgba(0, 122, 255, 0.16);
    }

    .contact-success-panel__inner {
        background: rgba(0, 122, 255, 0.12);
        border-color: rgba(90, 200, 250, 0.22);
    }

    .contact-ai-guide__intro,
    .contact-ai-guide__rules article,
    .contact-ai-card {
        background: rgba(24, 29, 37, 0.9);
        border-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
    }

    .contact-ai-guide__intro {
        background: linear-gradient(135deg, rgba(0, 122, 255, 0.14), rgba(90, 200, 250, 0.08));
    }
}