/* css/pages/sponsor.css - 協賛ページ専用スタイル */

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 80px 20px 20px;  /* 上部パディングを100pxから80pxに削減 */
    position: relative;
    background-image: url('../../images/sponsors/bg_1920.jpg');
    background-size: cover;
    background-position: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.6) 0%, rgba(10, 14, 39, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.sponsor-badge {
    display: inline-block;
    color: var(--pure-white);
    font-size: 20px;  /* 16pxから20pxに変更 */
    letter-spacing: 0.1em;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: clamp(24px, 4.5vw, 48px);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 30px;
    letter-spacing: 0.05em;
}

/* h1内のスパン要素（PCではインライン） */
.hero-line1,
.hero-line2,
.hero-line3 {
    display: inline;
}

/* PC用改行 */
.pc-break {
    display: block;
}

.hero .highlight {
    color: #f4c542;
    display: block;
    margin-top: 15px;
    font-size: clamp(20px, 4vw, 36px);
}

.date-location {
    font-size: clamp(14px, 2.2vw, 20px);
    margin-top: 30px;
    margin-bottom: 20px;
    opacity: 0.9;
    letter-spacing: 0.1em;
}

/* カウントダウンタイマー */
.countdown-hero {
    margin-top: 20px;
    font-size: 16px;
    background: rgba(244, 197, 66, 0.1);
    border: 1px solid rgba(244, 197, 66, 0.3);
    border-radius: 10px;
    padding: 15px 20px;
    display: inline-block;
    max-width: 90%;
}

.countdown-timer {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    margin-top: 15px;
    font-family: 'Courier New', monospace;
}

.countdown-unit {
    text-align: center;
}

.countdown-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #f4c542;
    background: rgba(0, 0, 0, 0.3);
    padding: 5px 10px;
    border-radius: 5px;
    min-width: 60px;
}

.countdown-label {
    font-size: 12px;
    margin-top: 5px;
    opacity: 0.8;
    letter-spacing: 0.1em;
}

.deadline-text .line1,
.deadline-text .line2 {
    display: inline;
}

.countdown-hero .slots {
    margin-top: 10px;
    font-size: 14px;
    opacity: 0.9;
}

/* スクロール誘導 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator::after {
    content: "▼";
    font-size: 24px;
    opacity: 0.5;
}

/* ========================================
   実績セクション
   ======================================== */
.achievement {
    text-align: center;
    padding: 120px 20px;
}

.achievement .container {
    max-width: 900px;
}

.achievement .pr-times-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    margin: 0 auto 40px;
    display: block;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.achievement .badge {
    display: inline-block;
    background: linear-gradient(135deg, #f4c542 0%, #f4a542 100%);
    color: #0a0e27;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 700;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(244, 197, 66, 0.3);
}

.achievement h2 {
    font-size: clamp(24px, 4vw, 36px);
    margin-top: 30px;
    line-height: 1.6;
}

/* ========================================
   核心セクション
   ======================================== */
.core-message {
    text-align: center;
    padding: 120px 20px;
    background: #0a0e27;
}

.core-message .container {
    max-width: 900px;
}

.core-message .theme {
    font-size: clamp(20px, 3vw, 28px);
    opacity: 0.8;
    margin-bottom: 30px;
}

.core-message .main-theme {
    font-size: clamp(48px, 8vw, 72px);
    font-weight: 700;
    color: #f4c542;
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

.core-message .description {
    font-size: clamp(18px, 3vw, 24px);
    line-height: 1.8;
    opacity: 0.95;
}

/* ========================================
   さいごの授業セクション
   ======================================== */
.last-lecture {
    padding: 120px 20px;
    background: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
}

.last-lecture .container {
    max-width: 1200px;
}

.last-lecture h2 {
    text-align: center;
    font-size: clamp(36px, 5vw, 48px);
    margin-bottom: 30px;
    color: #f4c542;
}

.last-lecture .question {
    text-align: center;
    font-size: clamp(18px, 3vw, 24px);
    line-height: 1.8;
    margin-bottom: 80px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.speakers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 60px;
    margin-top: 60px;
}

.speaker-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.speaker-card .speaker-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.speaker-card .speaker-info {
    padding: 30px;
}

.speaker-card h3 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #f4c542;
}

.speaker-card .title {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 20px;
    line-height: 1.6;
    font-weight: 600;
}

.speaker-card .bio {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.85;
    text-align: justify;
}

/* ========================================
   グランドスラムオファー
   ======================================== */
.grand-slam {
    padding: 120px 20px;
    background: #0a0e27;
}

.grand-slam .container {
    max-width: 1200px;
}

.grand-slam h2 {
    text-align: center;
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 60px;
    color: #f4c542;
}

.main-offers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.offer-card {
    background: linear-gradient(135deg, rgba(244, 197, 66, 0.1) 0%, rgba(244, 197, 66, 0.05) 100%);
    border: 2px solid #f4c542;
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
}

.offer-card::before {
    content: attr(data-number);
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 60px;
    font-weight: 700;
    opacity: 0.1;
    color: #f4c542;
}

.offer-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #f4c542;
    position: relative;
    padding-left: 35px;
}

.offer-card h3 span {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 22px;
    font-weight: 700;
}

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

.offer-card li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
    font-size: 15px;
}

.offer-card li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #f4c542;
}

.sub-offers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.sub-offer-card {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #f4c542;
    border-radius: 15px;
    padding: 25px;
    text-align: left;
}

.sub-offer-card h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #f4c542;
}

.sub-offer-card .condition {
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 14px;
}

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

.sub-offer-card li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.9;
}

.sub-offer-card li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #f4c542;
}

/* ========================================
   協賛プランセクション
   ======================================== */
.sponsor-plans {
    padding: 120px 20px;
    background: linear-gradient(180deg, #1a1f3a 0%, #0a0e27 100%);
}

.sponsor-plans h2 {
    text-align: center;
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 60px;
    color: #f4c542;
}

/* シルバープラン強調ボックス */
.silver-highlight-box {
    background: linear-gradient(135deg, rgba(244, 197, 66, 0.15) 0%, rgba(244, 197, 66, 0.05) 100%);
    border: 2px solid #f4c542;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 60px;
    margin-top: 3rem !important;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.silver-highlight-box h3 {
    font-size: 28px;
    color: #f4c542;
    margin-bottom: 30px;
    text-align: center;
}

.silver-benefits {
    display: grid;
    gap: 20px;
}

.silver-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.silver-benefit-icon {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    background: #f4c542;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0a0e27;
    font-weight: 700;
    font-size: 18px;
}

.silver-benefit-content h4 {
    font-size: 18px;
    color: #f4c542;
    margin-bottom: 8px;
}

.silver-benefit-content p {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.9;
}

.silver-cta-message {
    text-align: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(244, 197, 66, 0.3);
    font-size: 16px;
    line-height: 1.8;
}

.silver-cta-message strong {
    color: #f4c542;
}

/* 協賛テーブル */
.sponsor-pricing-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -10px;
    padding: 0 10px;
}

.sponsor-pricing-table table {
    width: 100%;
    min-width: 800px;
    max-width: 1000px;
    margin: 0 auto;
    border-collapse: collapse;
}

.sponsor-pricing-table th,
.sponsor-pricing-table td {
    padding: 15px 8px;
    text-align: center;
    border: 1px solid rgba(244, 197, 66, 0.3);
    white-space: nowrap;
    font-size: 14px;
}

.sponsor-pricing-table th {
    background: rgba(244, 197, 66, 0.1);
    color: #f4c542;
    font-weight: 600;
}

.sponsor-pricing-table td {
    background: rgba(255, 255, 255, 0.02);
}

.sponsor-pricing-table .plan-name {
    font-weight: 600;
    color: #f4c542;
}

.sponsor-pricing-table .plan-price {
    font-size: 16px;
    font-weight: 600;
}

.sponsor-pricing-table .sold-out {
    text-decoration: line-through;
    opacity: 0.5;
}

.sponsor-pricing-table .remaining-zero {
    color: #FF6B6B;
    font-weight: 700;
}

.plans-note {
    margin-top: 20px;
    text-align: left;
    font-size: 14px;
    opacity: 0.8;
    padding: 0 20px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* モバイル用カード（デフォルトは非表示） */
.mobile-plan-cards {
    display: none;
}

.mobile-plan-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(244, 197, 66, 0.4);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.mobile-plan-card.sold-out {
    opacity: 0.6;
}

.mobile-plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(244, 197, 66, 0.2);
}

.mobile-plan-name {
    font-size: 16px;
    font-weight: 600;
    color: #f4c542;
}

.mobile-plan-price {
    font-size: 18px;
    font-weight: 600;
}

.mobile-plan-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    font-size: 15px;
}

.mobile-plan-info-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.mobile-plan-info-label {
    opacity: 0.7;
    font-size: 14px;
}

.mobile-remaining-zero {
    color: #FF6B6B;
    font-weight: 700;
}

/* ========================================
   プロフィールセクション
   ======================================== */
.profiles {
    padding: 120px 20px;
    background: linear-gradient(180deg, #0a0e27 0%, #1a1f3a 100%);
}

.profiles .container {
    max-width: 1000px;
}

.profiles h2 {
    text-align: center;
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 60px;
}

.org-section {
    margin-bottom: 60px;
}

.org-header {
    font-size: 24px;
    color: #f4c542;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f4c542;
}

.org-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
}

.profile-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.profile-content {
    flex: 1;
}

.profile-photo {
    width: 240px;
    height: 240px;
    border-radius: 15px;
    object-fit: cover;
    flex-shrink: 0;
}

.profile-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #f4c542;
}

.profile-card .org {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 20px;
}

.profile-card .bio {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 20px;
}

.profile-card .message {
    font-size: 16px;
    line-height: 1.8;
    border-left: 3px solid #f4c542;
    padding-left: 20px;
    margin-top: 20px;
}

/* ========================================
   申込方法セクション
   ======================================== */
.sponsor-application {
    padding: 120px 20px;
    background: #0a0e27;
}

.sponsor-application h2 {
    text-align: center;
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 60px;
    color: #f4c542;
}

.deadline-notice {
    text-align: center;
    background: rgba(244, 197, 66, 0.1);
    border: 2px solid #f4c542;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.deadline-notice strong {
    color: #f4c542;
    font-size: 20px;
}

.application-steps {
    display: grid;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 15px;
}

.step-number {
    display: none;
}

.step-content h4 {
    font-size: 18px;
    color: #f4c542;
    margin-bottom: 10px;
    text-align: left;
}

.step-content p {
    line-height: 1.8;
    opacity: 0.9;
    text-align: left;
}

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

.application-cta .cta-button {
    display: inline-block;
    margin: 0;
}

.application-description {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    opacity: 0.9;
}

/* ========================================
   CTAセクション
   ======================================== */
.cta-section {
    padding: 120px 20px;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    text-align: center;
}

.cta-section .container {
    max-width: 900px;
}

.cta-section h2 {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 30px;
    line-height: 1.6;
}

.cta-section .emphasis {
    font-size: clamp(20px, 3vw, 28px);
    margin: 40px 0;
    line-height: 1.8;
    color: #f4c542;
}

.cta-section .cta-buttons {
    margin-top: 50px;
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #f4c542 0%, #f4a542 100%);
    color: #0a0e27;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(244, 197, 66, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(244, 197, 66, 0.4);
}

.button-secondary {
    display: inline-block;
    background: transparent;
    color: #f4c542;
    border: 2px solid #f4c542;
    padding: 16px 30px;
    border-radius: 50px;
    font-size: clamp(14px, 1.8vw, 18px);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.button-secondary:hover {
    background: #f4c542;
    color: #0a0e27;
}

.countdown {
    margin-top: 30px;
    font-size: 18px;
    opacity: 0.9;
}

.countdown .urgent {
    color: #f4c542;
    font-weight: 700;
}

/* 最終カウントダウン */
.countdown-timer-final {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    font-family: 'Courier New', monospace;
}

.countdown-number-final {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #f4c542;
    background: rgba(0, 0, 0, 0.3);
    padding: 5px 10px;
    border-radius: 5px;
    min-width: 60px;
}

/* ========================================
   ユーティリティ
   ======================================== */
.mobile-break {
    display: none;
}

/* ========================================
   レスポンシブ
   ======================================== */
/* モバイル用調整 */
@media (max-width: 768px) {
    /* グランドスラムオファーのタイトル調整 */
    .grand-slam h2 {
        font-size: 1.6rem !important;
        line-height: 1.4;
    }
}

@media (max-width: 768px) {
    /* PC用改行を非表示 */
    .pc-break {
        display: none;
    }
    
    /* ヒーローセクションのパディング調整 */
    .hero {
        padding: 60px 20px 20px;  /* モバイルも上部パディングを削減 */
    }
    
    /* ヒーローセクションのコピー強調（モバイルのみ） */
    .hero h1 {
        font-size: clamp(36px, 8vw, 42px);
        font-weight: 700;
        line-height: 1.3;
        margin-bottom: 40px;
        letter-spacing: 0.08em;
    }
    
    /* 3行構成にする - サイズを統一 */
    .hero-line1,
    .hero-line2,
    .hero-line3 {
        display: block;
        font-size: clamp(36px, 8vw, 42px);  /* 全て同じサイズに統一 */
        font-weight: 700;
        margin-bottom: 0.3em;
    }
    /* モバイル用改行を表示 */
    .mobile-break {
        display: block;
    }

    /* モバイルで改行 */
    .deadline-text .line1,
    .deadline-text .line2 {
        display: block;
    }

    /* カウントダウンタイマー */
    .countdown-timer {
        gap: 10px;
    }

    .countdown-number {
        font-size: 20px;
        min-width: 45px;
        padding: 3px 5px;
    }

    .countdown-label {
        font-size: 10px;
    }

    /* スピーカーカード */
    .speakers {
        grid-template-columns: 1fr;
    }

    /* いちのせ先生の名前改行防止 */
    .speaker-card .speaker-info {
        padding: 20px 15px;
    }

    .speaker-card h3 {
        font-size: 24px;
        white-space: nowrap;
    }

    /* メインオファー */
    .main-offers {
        grid-template-columns: 1fr;
    }

    /* サブオファー */
    .sub-offers {
        grid-template-columns: 1fr;
    }

    /* プロフィールカード */
    .profile-card {
        flex-direction: column;
    }

    .profile-photo {
        width: 100%;
        max-width: 240px;
        height: auto;
        aspect-ratio: 9/10;
        object-fit: cover;
        margin: 0 auto 20px;
        order: -1;
    }

    /* ステップ - モバイル */
    .step {
        flex-direction: column;
        text-align: left;
        margin-bottom: 15px;
    }

    .step-number {
        display: none;
    }
    
    .step-content {
        width: 100%;
    }
    
    .step-content h4 {
        text-align: left !important;
    }
    
    .step-content p {
        text-align: left !important;
    }

    /* モバイル用カード表示を常に表示 */
    .mobile-plan-cards {
        display: block !important;
    }
    
    /* PC用テーブルを非表示 */
    .sponsor-pricing-table {
        display: none !important;
    }

    /* シルバーボックスのタイトル調整 */
    .silver-highlight-box h3 {
        font-size: 1.3rem !important;
        margin-bottom: 1.5rem !important;
    }
    
    .silver-benefit-content h4 {
        font-size: 1rem !important;
        text-align: left !important;
    }
    
    .silver-benefit-content p {
        text-align: left !important;
    }

    /* CTAボタンのレイアウト修正 */
    .application-cta {
        text-align: center;
        margin-top: 30px;
    }
    
    .application-cta .cta-button {
        display: block;
        margin: 0 auto 15px;
    }
    
    .application-cta p {
        display: block;
        margin: 0;
        text-align: center;
    }
}

/* 協賛企業セクション */
.sponsor-showcase {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(10, 14, 39, 0.3) 0%, rgba(10, 14, 39, 0.8) 100%);
}

.sponsor-showcase h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.sponsor-companies {
    max-width: 900px;
    margin: 0 auto;
}

.sponsor-tier {
    margin-bottom: 50px;
}

.tier-title {
    font-size: 1.3rem;
    font-weight: 600;
    padding: 10px 20px;
    margin-bottom: 25px;
    border-left: 4px solid;
    letter-spacing: 0.08em;
}

.tier-title.gold {
    border-left-color: #FFD700;
    color: #FFD700;
}

.tier-title.silver {
    border-left-color: #C0C0C0;
    color: #C0C0C0;
}

.tier-title.bronze {
    border-left-color: #CD7F32;
    color: #CD7F32;
}

.company-list {
    display: grid;
    gap: 25px;
    padding-left: 30px;
}

.company-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.company-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(244, 197, 66, 0.3);
}

.company-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #FFFFFF;
    letter-spacing: 0.05em;
}

.company-description {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.company-url {
    font-size: 0.85rem;
    color: #f4c542;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.company-url:hover {
    color: #FFD700;
    text-decoration: underline;
}

.sponsor-message {
    text-align: center;
    margin-top: 60px;
    padding: 30px;
    background: rgba(244, 197, 66, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(244, 197, 66, 0.2);
}

.sponsor-message p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #FFFFFF;
    margin: 0;
}

@media (max-width: 768px) {
    .sponsor-showcase {
        padding: 60px 0;
    }
    
    .sponsor-showcase h2 {
        font-size: 1.5rem;
        margin-bottom: 40px;
    }
    
    .tier-title {
        font-size: 1.1rem;
    }
    
    .company-item h4 {
        font-size: 1.1rem;
    }
    
    .company-description {
        font-size: 0.85rem;
    }
    
    .company-list {
        padding-left: 15px;
    }
    
    .sponsor-message p {
        font-size: 1rem;
    }
}

@media (max-width: 500px) {
    .speakers {
        grid-template-columns: 1fr;
    }
}