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

body {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', Meiryo, sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #f5f5f5;
}

/* Header */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-container {
    width: 60px;
    height: 60px;
    
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

header h1 {
    font-size: 24px;
    color: #333;
    font-weight: 600;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('images/image_1.jpg')  bottom/cover no-repeat;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    background-position: 25% 90%;
}

.hero-overlay {
    padding: 40px;
    background: rgba(0,0,0,0.4);
    border-radius: 10px;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 400;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Sections */
section {
    background: white;
    margin-bottom: 30px;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

section h3 {
    font-size: 28px;
    color: #2c5aa0;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #2c5aa0;
}

.content-box {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.content-box p {
    margin-bottom: 15px;
    
}
.content-box span{
    font-size: 0.8rem;
    display: block;
    color: #666;
}
.content-box p:last-child {
    margin-bottom: 0;
}

/* Image Gallery */
.image-gallery {
    margin-top: 30px;
    text-align: center;
}

.activity-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Philosophy Section */
.philosophy-section {
    background: linear-gradient(135deg, #ffc0cb 0%, #e6e6fa 100%);
}

.philosophy-box {
    text-align: center;
    padding: 30px;
}

.philosophy-text {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    line-height: 2;
}

/* Goals Section */
.goals-section {
    background: linear-gradient(135deg, #e6f2ff 0%, #fff0f5 100%);
}

.goals-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
}

.goals-list {
    list-style-position: inside;
    font-size: 18px;
    line-height: 2.2;
}

.goals-list li {
    margin-bottom: 15px;
    padding-left: 10px;
}

/* Organization Diagram */
.org-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
}

.org-center {
    background: linear-gradient(135deg, #4a90a4 0%, #e91e63 100%);
    color: white;
    padding: 30px 50px;
    border-radius: 50%;
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.org-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    line-height: 1.5;
}

.org-branches {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    width: 100%;
}

.org-branch {
    background: white;
    color: #333;
    padding: 20px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    border: 2px solid #e91e63;
}

/* Activities */
.activity-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.activity-item {
    text-align: center;
}

.activity-photo {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.caption {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-top: 15px;
    line-height: 1.6;
}

/* News Section */
.news-section {
    background: #fff9e6;
}

.news-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    border-left: 5px solid #f39c12;
}

.news-box h4 {
    font-size: 22px;
    color: #f39c12;
    margin-bottom: 15px;
}

.news-box p {
    margin-bottom: 12px;
    line-height: 1.8;
}

.contact-info {
    font-weight: 600;
    color: #2c5aa0;
    margin-top: 20px;
}

/* Contact Section */
.contact-box {
    background: #f0f8ff;
    padding: 30px;
    border-radius: 8px;
}

.contact-box p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.contact-box strong {
    color: #2c5aa0;
    font-size: 18px;
}

.separator {
    text-align: center;
    font-size: 24px;
    margin: 20px 0;
    color: #999;
}

.note {
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* Footer */
footer {
    background: white;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.footer-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}
.footer-button a {
    background: #eee;
    border-radius: 3px;
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    max-width: 280px;
    padding: 10px 25px;
    color: #313131;
    transition: 0.3s ease-in-out;
    font-weight: 500;
    text-decoration: none;
}
.footer-button a:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 1rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 6px;
  height: 6px;
  border-top: solid 2px currentColor;
  border-right: solid 2px currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.footer-button a:hover {
  background: rgb(11, 49, 143);
  color: #FFF;
}
.footer-button a:hover:after {
  right: 1.4rem;
}
/* Responsive Design */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    section {
        padding: 25px 20px;
    }
    
    section h3 {
        font-size: 24px;
    }
    
    .org-center {
        width: 150px;
        height: 150px;
        padding: 20px;
    }
    
    .org-title {
        font-size: 20px;
    }
    
    .org-branch {
        font-size: 14px;
        padding: 15px 20px;
    }
    
    .activity-images {
        grid-template-columns: 1fr;
    }
    .hero {
    background-position: 100%;
}
}