/* =====================================
   カスタマイズ可能な変数
   ===================================== */
:root {
    /* 大学カラー */
    --university-primary: #E87722; /* オレンジ */
    --university-secondary: #5FB878; /* グリーン */
    
    /* メインカラー */
    --primary-color: #E87722;
    --primary-hover: #D86612;
    --primary-light: #F5A962;
    
    /* セカンダリカラー */
    --secondary-color: #5FB878;
    --secondary-hover: #4FA768;
    --secondary-light: #7FC894;
    
    /* 背景色 */
    --bg-color: #FFF8F0;
    --white: #FFFFFF;
    
    /* テキストカラー */
    --text-dark: #333333;
    --text-color: #666666;
    --text-light: #999999;
    
    /* ボーダー・シャドウ */
    --border: #E0E0E0;
    --shadow: rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.7;
}

html {
    scroll-behavior: smooth;
}

/* =====================================
   ヘッダー
   ===================================== */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.university-logo {
  width: 180px !important;
  height: 45px !important;
  object-fit: contain !important;
  object-position: left center !important;
  display: block !important;
}

.logo-container {
  gap: 12px; /* 20px → 少し詰める */
}

.site-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
}

.title-block {
  display: flex;
  flex-direction: column;
}

.site-note {
  font-size: 12px;
  color: #888;
  margin-top: 6px;
  line-height: 1.4;
}

/* =====================================
   全体コンテナ(3カラムレイアウト)
   ===================================== */
.container {
    display: grid;
    grid-template-columns: 280px 1fr 300px;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* =====================================
   左側サイドバー(ナビゲーション)
   ===================================== */
.sidebar {
    background-color: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 15px var(--shadow);
    position: sticky;
    top: 120px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.sidebar-title {
    font-size: clamp(0.85rem, 1vw, 0.98rem);
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
    text-align: center;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
    line-height: 1.5;
}

.nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: 8px;
    position: relative;
}

.nav-item > a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 8px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.nav-item > a i {
    color: var(--primary-color);
    width: 20px;
    font-size: 16px;
}

.nav-item > a:hover {
    background-color: var(--primary-light);
    color: var(--white);
    transform: translateX(5px);
}

.nav-item > a:hover i {
    color: var(--white);
}

/* サブメニュースタイル */
.nav-item-parent > a {
    position: relative;
}

.nav-submenu {
    list-style: none;
    margin-left: 20px;
    margin-top: 8px;
    padding-left: 15px;
    border-left: 3px solid var(--primary-light);
    display: none;
}

.nav-item-parent:hover .nav-submenu,
.nav-item-parent.active .nav-submenu {
    display: block;
}

.nav-subitem {
    margin-bottom: 6px;
}

.nav-subitem a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 13px;
}

.nav-subitem a i {
    color: var(--secondary-color);
    width: 18px;
    font-size: 14px;
}

.nav-subitem a:hover {
    background-color: var(--secondary-light);
    color: var(--white);
    transform: translateX(5px);
}

.nav-subitem a:hover i {
    color: var(--white);
}

/* ツールチップ */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 110%;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--text-dark);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 6px;
    white-space: nowrap;
    font-size: 12px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 1000;
}

[data-tooltip]:hover::after {
    opacity: 0.9;
}

/* =====================================
   メインコンテンツ
   ===================================== */
.main-content {
    background-color: var(--white);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 4px 15px var(--shadow);
    min-width: 0;
}

/* ヒーローセクション */
.hero-section {
    text-align: center;
    padding: 40px 0;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--border);
}

.hero-title {
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  word-break: normal;
  overflow-wrap: break-word;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.hero-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin: 30px 0;
}

.feature-item {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-color);
    border-radius: 10px;
    min-width: 150px;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: block;
}

.feature-item h3 {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 600;
}

.video-container {
    margin-top: 30px;
}

.video-placeholder {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--white);
    padding: 30px 50px;
    border-radius: 15px;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px var(--shadow);
}

.video-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px var(--shadow);
}

.video-placeholder i {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

.video-placeholder p {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

/* セクションスタイル */
.section {
    margin-bottom: 50px;
}

.section-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--primary-color);
    font-weight: 700;
}

.program-intro h3,
.support-targets h3,
.services h3,
.steps h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 600;
}

.program-intro p,
.support-targets p,
.services p,
.steps p {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 15px;
}

/* サポート柱 */
.support-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.pillar {
    background-color: var(--bg-color);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pillar:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow);
}

.pillar i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
}

.pillar h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.pillar p {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.6;
}

/* ターゲットグリッド */
.target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 25px;
}

.target-card {
    background-color: var(--bg-color);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.target-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px var(--shadow);
}

.target-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    display: block;
}

.target-card p {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
}

/* サービスリスト */
.service-list {
    display: grid;
    gap: 8px;
    margin-top: 25px;
}

.service-item {
    background-color: var(--bg-color);
    padding: 20px 25px;
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-item:hover {
    transform: translateX(10px);
    box-shadow: 0 4px 15px var(--shadow);
}

.service-item i {
    font-size: 2rem;
    color: var(--secondary-color);
    flex-shrink: 0;
    margin-top: 5px;
}

.service-item h4 {
    color: var(--primary-color);
    font-size: 1.05rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.service-item p {
    font-size: 0.9rem;
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

/* ステップコンテナ */
.step-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.step {
    background-color: var(--bg-color);
    padding: 30px 25px;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 280px;
}

.step-number {
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 1.8rem;
    font-weight: 700;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.step h4 {
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.step p {
    font-size: 0.85rem;
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.cta-button-container {
    text-align: center;
    margin-top: 40px;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--shadow);
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--shadow);
}

.cta-button i {
    margin-right: 8px;
}

/* =====================================
   右側サイドバー
   ===================================== */
.right-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 120px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.quick-actions {
    background-color: var(--white);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.action-btn {
    display: block;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.register-btn {
    background-color: var(--primary-color);
    color: var(--white);
}

.register-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px var(--shadow);
}

.login-btn {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.login-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ウィジェット */
.widget {
    background-color: var(--white);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow);
}

.widget h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.video-placeholder-small {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    padding: 40px 20px;
    border-radius: 10px;
    text-align: center;
    color: var(--white);
}

.video-placeholder-small i {
    font-size: 2.5rem;
}

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

.news-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.news-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.news-date {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 5px;
}

.news-list a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: color 0.3s;
}

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

.info-links {
    list-style: none;
}

.info-links li {
    margin-bottom: 10px;
}

.info-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.3s;
}

.info-links a i {
    color: var(--secondary-color);
    width: 20px;
}

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

/* =====================================
   フッター
   ===================================== */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 30px 0;
    margin-top: 40px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    text-align: center;
}

.footer-content p {
    margin-bottom: 10px;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-content a {
    color: #FF9F54;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-content a:hover {
    color: var(--primary-light);
}

/* =====================================
   モーダル
   ===================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.modal-content {
    background-color: var(--white);
    margin: 8% auto;
    padding: 40px;
    border-radius: 15px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

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

.modal h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.login-form input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: var(--primary-hover);
}

.register-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-color);
}

.register-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.register-link a:hover {
    text-decoration: underline;
}

/* =====================================
   レスポンシブデザイン
   ===================================== */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 250px 1fr 280px;
        gap: 20px;
    }
    
    .support-pillars,
    .target-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .container {
        grid-template-columns: 1fr;
    }
    
    .sidebar,
    .right-sidebar {
        position: static;
        max-height: none;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .support-pillars,
    .target-grid {
        grid-template-columns: 1fr;
    }
    
    .step-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .site-title {
        font-size: 1.4rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .hero-title {
        font-size: 1.3rem;
    }
    
    .feature-item {
        min-width: 120px;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
}