/* index.html固有の色設定とスタイル調整 */
.nav-menu a.active {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.benefit-items {
    gap: 2rem;
}

.president-message {
    width:100%;
    margin: 0 auto;
}

.header h1 {
    text-align: center;
}

.president-message-header {
    justify-content: flex-start;
}

/* 代表メッセージ内のサブタイトル */
.president-message-subtitle {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.president-message-subtitle-spaced {
    margin-top: 2rem;
}

/* メンバーグリッド（3名を横並び） */
.members-grid {
    display: flex;
    gap: 3rem;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

.members-grid-spaced {
    margin-top: 2rem;
}

.member-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    padding: 0 1rem;
}

.member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    width: 100%;
}

.member-position {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: #2c3e50;
    font-weight: 600;
}

.member-qualification {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: #666;
}

.member-name {
    margin: 0;
    font-size: 1rem;
    color: #2c3e50;
    font-weight: 500;
}

@media (max-width: 768px) {
    .members-grid {
        gap: 1.5rem;
    }
    
    .member-item {
        min-width: 0;
        max-width: none;
        flex: 1;
        padding: 0 0.5rem;
    }
    
    .member-photo {
        width: 100px;
        height: 100px;
        margin-bottom: 0.5rem;
    }
    
    .member-position {
        font-size: 0.85rem;
        margin-bottom: 0.25rem;
    }
    
    .member-qualification {
        font-size: 0.75rem;
        margin-bottom: 0.25rem;
    }
    
    .member-name {
        font-size: 0.85rem;
    }
}

/* 2枚の写真を別々に表示してグラデーション的にぼやける */
.hero-images-stacked {
    display: flex;
    gap: 2rem;
    width: 100%;
    max-width: 100%;
    align-items: center;
    justify-content: center;
}

.hero-img-wrapper {
    position: relative;
    display: inline-block;
    flex: 1;
    max-width: 48%;
    aspect-ratio: 4 / 3;
    overflow: visible;
}

.hero-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ぼかした背景画像（楕円形に切り出し、端を背景に溶け込ませる） */
.hero-img-blur {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: blur(10px);
    z-index: 1;
    opacity: 0.5;
    mask-image: radial-gradient(ellipse 95% 92% at center, 
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.6) 60%,
        rgba(0, 0, 0, 0.3) 80%,
        rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: radial-gradient(ellipse 95% 92% at center, 
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.6) 60%,
        rgba(0, 0, 0, 0.3) 80%,
        rgba(0, 0, 0, 0) 100%);
}

/* クリアな前景画像（楕円形に切り出し、端を背景に溶け込ませる） */
.hero-img-clear {
    position: relative;
    width: 100%;
    height: 100%;
    filter: blur(0px);
    z-index: 2;
    mask-image: radial-gradient(ellipse 95% 92% at center, 
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 1) 50%,
        rgba(0, 0, 0, 0.9) 65%,
        rgba(0, 0, 0, 0.6) 80%,
        rgba(0, 0, 0, 0.2) 95%,
        rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: radial-gradient(ellipse 95% 92% at center, 
        rgba(0, 0, 0, 1) 0%,
        rgba(0, 0, 0, 1) 50%,
        rgba(0, 0, 0, 0.9) 65%,
        rgba(0, 0, 0, 0.6) 80%,
        rgba(0, 0, 0, 0.2) 95%,
        rgba(0, 0, 0, 0) 100%);
}

/* 背景に溶け込むための白いグラデーションオーバーレイ（楕円形） */
.hero-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse 95% 92% at center, 
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0) 50%,
        rgba(255, 255, 255, 0.1) 65%,
        rgba(255, 255, 255, 0.4) 80%,
        rgba(255, 255, 255, 0.8) 95%,
        rgba(255, 255, 255, 1) 100%);
    pointer-events: none;
    z-index: 3;
}

@media (max-width: 768px) {
    .hero-images-stacked {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-img-wrapper {
        max-width: 100%;
    }
}