@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500&display=swap');

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Serif JP', serif;
    background: #f0f8ff;
    color: #1a3a5a;
}

/* ===== ナビ ===== */
#header {
    background: #0a2744;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid #1a6fa8;
    position: sticky;
    top: 0;
    z-index: 100;
}

#header h1 {
    font-size: 15px;
    color: #e8f4fc;
    letter-spacing: 0.15em;
    font-weight: 500;
}

#header h1 a {
    color: inherit;
    text-decoration: none;
}

#g-nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}

#g-nav ul li a {
    font-size: 11px;
    color: #a8d4f0;
    letter-spacing: 0.08em;
    text-decoration: none;
}

#g-nav ul li a:hover {
    color: #e8f4fc;
}

/* ===== ヒーロー ===== */
#hero {
    background: linear-gradient(160deg, #0a2744 0%, #0d4a7a 60%, #1a6fa8 100%);
    padding: 3rem 1.5rem;
    text-align: center;
    border-bottom: 3px solid #e8a020;
}

#hero .hero-en {
    font-size: 11px;
    letter-spacing: 0.2em;
    color: #7dc4e8;
    margin-bottom: 0.5rem;
}

#hero .hero-title {
    font-size: 28px;
    font-weight: 500;
    color: #f0f8ff;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
}

#hero .hero-sub {
    font-size: 13px;
    color: #b8daf0;
    letter-spacing: 0.08em;
    line-height: 1.8;
}

#hero .hero-wave {
    margin: 1.2rem auto 0;
    display: block;
    opacity: 0.6;
}

/* ===== お知らせバー ===== */
#news-bar {
    background: #e8f4fc;
    border-bottom: 1px solid #b0d4ec;
    padding: 0.6rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

#news-bar .news-label {
    font-size: 11px;
    letter-spacing: 0.12em;
    background: #e8a020;
    color: #fff;
    padding: 2px 8px;
    border-radius: 2px;
    white-space: nowrap;
}

#news-bar .news-list {
    list-style: none;
}

#news-bar .news-list li a {
    font-size: 12px;
    color: #1a3a5a;
    text-decoration: none;
}

#news-bar .news-list li a time {
    font-size: 11px;
    color: #4a7aaa;
    margin-right: 0.5rem;
}

/* ===== カードセクション ===== */
#service {
    padding: 2rem 1.5rem;
}

#service .section-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

#service .section-title {
    font-size: 15px;
    letter-spacing: 0.2em;
    color: #0a2744;
    font-weight: 500;
}

#service .section-title::before {
    content: "― ";
    color: #e8a020;
}

#service .section-title::after {
    content: " ―";
    color: #e8a020;
}

#service .section-sub {
    font-size: 12px;
    color: #4a7aaa;
    margin-top: 0.4rem;
    letter-spacing: 0.05em;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.card {
    background: #fff;
    border: 0.5px solid #7ab8d8;
    border-radius: 6px;
    padding: 1.25rem 0.75rem;
    text-align: center;
    text-decoration: none;
    display: block;
    transition: background 0.15s;
}

.card:hover {
    background: #e8f4fc;
}

.card .card-label {
    font-size: 13px;
    letter-spacing: 0.1em;
    color: #0a2744;
    font-weight: 500;
}

.card .card-desc {
    font-size: 11px;
    color: #4a7aaa;
    margin-top: 0.3rem;
    line-height: 1.5;
}

/* ===== コンセプト ===== */
#concept-block {
    background: #0d4a7a;
    padding: 1.5rem;
    margin: 0 1.5rem 2rem;
    border-radius: 6px;
    border: 1px solid #e8a020;
    text-align: center;
}

#concept-block p {
    font-size: 13px;
    color: #d8eef8;
    line-height: 2;
    letter-spacing: 0.08em;
}

#concept-block p span {
    color: #f0c840;
}

/* ===== フッター ===== */
#footer {
    background: #0a2744;
    padding: 1.5rem;
    border-top: 2px solid #e8a020;
}

#footer .footer-name {
    font-size: 15px;
    color: #e8f4fc;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

#footer .footer-tel {
    font-size: 18px;
    color: #f0c840;
    margin-bottom: 0.25rem;
}

#footer .footer-note {
    font-size: 11px;
    color: #7ab8d8;
}

#footer .footer-copy {
    font-size: 11px;
    color: #4a7aaa;
    margin-top: 1rem;
    text-align: center;
}

/* ===== フッターレイアウト ===== */
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.footer-right ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-right ul li a {
    font-size: 11px;
    color: #7ab8d8;
    text-decoration: none;
    letter-spacing: 0.08em;
}

/* ===== 固定ページ共通 ===== */
.page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.page-content h2 {
    font-size: 18px;
    color: #0a2744;
    letter-spacing: 0.15em;
    font-weight: 500;
    border-left: 4px solid #e8a020;
    padding-left: 0.75rem;
    margin: 2rem 0 1rem;
}

.page-content h2:first-child {
    margin-top: 0;
}

/* ===== 理念：活動リスト ===== */
.timeline-list {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.timeline-list li {
    padding: 0.75rem 1rem;
    border-left: 2px solid #1a6fa8;
    margin-bottom: 0.5rem;
    font-size: 14px;
    color: #1a3a5a;
    line-height: 1.7;
    background: #f0f8ff;
}

/* ===== 理念：役員テーブル ===== */
.officer-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-bottom: 2rem;
}

.officer-table th,
.officer-table td {
    padding: 0.6rem 1rem;
    border-bottom: 0.5px solid #b0d4ec;
    text-align: left;
}

.officer-table th {
    color: #0a2744;
    font-weight: 500;
    width: 8em;
    white-space: nowrap;
}

.officer-table td {
    color: #1a3a5a;
}

/* ===== 模試：カードグリッド ===== */
.mock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.mock-card {
    background: #fff;
    border: 0.5px solid #7ab8d8;
    border-radius: 6px;
    padding: 1.25rem;
}

.mock-card h3 {
    font-size: 15px;
    color: #fff;
    background: #0d4a7a;
    margin: -1.25rem -1.25rem 1rem;
    padding: 0.6rem 1.25rem;
    border-radius: 6px 6px 0 0;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.mock-card dl {
    font-size: 13px;
}

.mock-card dt {
    color: #4a7aaa;
    font-weight: 500;
    margin-top: 0.6rem;
    font-size: 12px;
    letter-spacing: 0.05em;
}

.mock-card dd {
    color: #1a3a5a;
    margin-left: 0;
    line-height: 1.7;
}

/* ===== 活動計画 ===== */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.schedule-card {
    background: #fff;
    border: 0.5px solid #7ab8d8;
    border-radius: 6px;
    padding: 1.25rem;
}

.schedule-card h3 {
    font-size: 15px;
    color: #0a2744;
    font-weight: 500;
    margin-bottom: 0.5rem;
    letter-spacing: 0.08em;
}

.schedule-date {
    font-size: 13px;
    color: #e8a020;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.schedule-card p {
    font-size: 13px;
    color: #4a7aaa;
    line-height: 1.7;
}

/* ===== 会員塾 ===== */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.members-card {
    background: #fff;
    border: 0.5px solid #7ab8d8;
    border-radius: 6px;
    padding: 1.25rem;
}

.members-card h3 {
    font-size: 14px;
    color: #fff;
    background: #1a6fa8;
    margin: -1.25rem -1.25rem 1rem;
    padding: 0.5rem 1.25rem;
    border-radius: 6px 6px 0 0;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.members-card ul {
    list-style: none;
    padding: 0;
}

.members-card ul li {
    font-size: 14px;
    color: #1a3a5a;
    padding: 0.4rem 0;
    border-bottom: 0.5px solid #e0eef8;
    line-height: 1.6;
}

.members-card ul li:last-child {
    border-bottom: none;
}

/* ===== ページタイトル ===== */
.page-title {
    font-size: 22px;
    color: #0a2744;
    letter-spacing: 0.2em;
    font-weight: 500;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e8a020;
    margin-bottom: 2rem;
}

/* ===== 関連イベント ===== */
.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.event-card {
    background: #fff;
    border: 0.5px solid #7ab8d8;
    border-radius: 6px;
    padding: 1.25rem;
}

.event-card h3 {
    font-size: 15px;
    color: #0a2744;
    font-weight: 500;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #b0d4ec;
    letter-spacing: 0.08em;
}

.event-card p {
    font-size: 13px;
    color: #1a3a5a;
    line-height: 1.8;
}

/* ===== 会員募集 ===== */
.recruit-box {
    background: #e8f4fc;
    border: 1px solid #7ab8d8;
    border-radius: 6px;
    padding: 1.5rem 2rem;
    max-width: 700px;
}

.recruit-box h3 {
    font-size: 17px;
    color: #0a2744;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.recruit-box p {
    font-size: 14px;
    color: #1a3a5a;
    line-height: 1.9;
    margin-bottom: 0.75rem;
}

.recruit-box a {
    color: #1a6fa8;
    text-decoration: underline;
}

/* ===== 各塾詳細ページ ===== */
.juku-profile {
    max-width: 800px;
}

.juku-catch {
    background: #e8f4fc;
    border-left: 4px solid #1a6fa8;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 0 6px 6px 0;
}

.juku-catch h3 {
    font-size: 16px;
    color: #0a2744;
    font-weight: 500;
    margin-bottom: 0.75rem;
    letter-spacing: 0.08em;
}

.juku-catch p {
    font-size: 13px;
    color: #1a3a5a;
    line-height: 1.9;
    margin-bottom: 0.5rem;
}

.juku-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-bottom: 1.5rem;
}

.juku-table th,
.juku-table td {
    padding: 0.65rem 1rem;
    border-bottom: 0.5px solid #b0d4ec;
    text-align: left;
    vertical-align: top;
    line-height: 1.7;
}

.juku-table th {
    color: #0a2744;
    font-weight: 500;
    width: 8em;
    white-space: nowrap;
}

.juku-table td {
    color: #1a3a5a;
}

.juku-points {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.juku-points li {
    font-size: 13px;
    color: #1a3a5a;
    padding: 0.6rem 0 0.6rem 1.25rem;
    border-bottom: 0.5px solid #d0e8f4;
    line-height: 1.7;
    position: relative;
}

.juku-points li::before {
    content: "▸";
    color: #1a6fa8;
    position: absolute;
    left: 0;
}

.juku-contact {
    background: #fff;
    border: 1px solid #e8a020;
    border-radius: 6px;
    padding: 1rem 1.25rem;
    font-size: 13px;
    color: #1a3a5a;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.juku-message {
    font-size: 13px;
    color: #4a7aaa;
    line-height: 1.9;
    font-style: italic;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 0.5px solid #b0d4ec;
    border-radius: 6px;
}

.juku-info {
    background: #0a2744;
    border-radius: 6px;
    padding: 1.25rem 1.5rem;
    margin-top: 1.5rem;
}

.juku-info p {
    font-size: 13px;
    color: #b8daf0;
    line-height: 1.9;
}

.juku-info p strong {
    color: #f0f8ff;
    font-size: 15px;
    letter-spacing: 0.1em;
}

.juku-info a {
    color: #7dc4e8;
}

.members-card ul li a {
    color: #1a6fa8;
    text-decoration: none;
}

.members-card ul li a:hover {
    text-decoration: underline;
}

/* ===== 佑啓塾アピールブロック ===== */
.juku-appeal {
    border-top: 2px solid #0d4a7a;
    border-bottom: 2px solid #0d4a7a;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.juku-appeal p {
    font-size: 14px;
    color: #0a2744;
    font-weight: 500;
    line-height: 2;
    letter-spacing: 0.05em;
}