/* CSSファイルをここに記述 */

@import url('../../css/components/page-cover.css');
@import url('../../css//components/animations.css');
@import url('../../css/components/responsive.css');

body,div,section,header,footer,nav,main,article,aside,h1,h2,h3,h4,h5,h6,p,ul,li,a,img {
    box-sizing: border-box;
}
body {
    --text-color--: #3e3e3e;
    --mincho-font--:
        "Noto Serif JP",
        "Yu Mincho",
        "Hiragino Mincho ProN",
        "MS PMincho",
        "MS Mincho",
        serif;
    background-image: url('../images/background_ppr.jpg');
    background-repeat: repeat;
    letter-spacing: 0.05em;
}

body.defoult {
    --text-color--: #3e3e3e;
    --mincho-font--: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", "MS PMincho", "MS Mincho", serif;
    background-image: url(../images/bg_kaneki_nami.svg), url(../images/background_ppr.jpg);
    background-repeat: no-repeat, repeat;
    background-size: 1200px, auto;
    background-position: center 38px;
    letter-spacing: 0.05em;
}
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/*common block*/
html {
    scroll-behavior: smooth;
}

body {
    font-family:
    "Noto Sans JP",
    "Yu Gothic Medium",
    "Yu Gothic",
    "Hiragino Kaku Gothic ProN",
    "Meiryo",
    sans-serif;
    line-height: 1.6;
    color: var(--text-color--);
    background-color: #f8f8f8;
}

/* Typography */
h1 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 32px;
    font-family: var(--mincho-font--);
}

h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 24px;
}

h3 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 16px;
}

h4 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
}

h5 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
}

h6 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
}

p {
    margin-bottom: 20px;
    line-height: 1.8;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all 0.3s ease;
    padding:0;
}

.header.scrolled {
    padding: 2px 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 80px;
    transition: all 0.3s ease;
}

.header.scrolled .logo img {
    height: 40px;
}

/* Navigation */
.nav-menu {
    display: flex;
    list-style: none;
    font-weight: bold;
    gap: 40px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color--);
    font-weight: 500;
    font-size: 18px;
    position: relative;
    padding: 10px 0;
    transition: color 0.3s ease;
        font-weight: bold;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--text-color--);
    transition: width 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
}

.nav-link.active {
}

/* Main Content */
.main {
    margin-top: 86px;
    padding: 40px 0;
}

.greeting-section {
    padding: 20px 40px;
}

.page-title {
    text-align: center;
    padding: 0 0 30px;
    position: relative;
}




/* Footer */
.footer {
    background-image: url('../../images/background_ppr.jpg');
    background-repeat: repeat;
    background-color: #e2e5da;
    background-blend-mode: multiply;
    color: var(--text-color--);
    padding: 40px 0;
    margin-top: 80px;
    width: 100%;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info h3 {
    font-size: 22px;
    margin-bottom: 15px;
    font-family: var(--mincho-font--);
    font-weight: bold;
}

.footer-details p {
    font-size: 15px;
    opacity: 0.9;
    margin: 0;
}

.footer-logo img {
    height: 60px;
    opacity: 0.8;
    border: 2px solid transparent; /* 初期状態では透明なボーダー */
    transition: border-color 0.3s ease; /* ボーダーの色をアニメーション */
}

.footer-logo a:hover img {
    border-color: #5170ff; /* マウスオーバー時にボーダーの色を変更 */
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 16px;
    }
    
    .main {
        margin-top: 140px;
    }
    
    .greeting-section {
        padding: 40px 20px;
    }
    
    .greeting-content {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .president-photo {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    h3 {
        font-size: 21px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .greeting-section {
        padding: 30px 15px;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    h1 {
        font-size: 29px;
    }
    
    .greeting-text {
        font-size: 16px;
    }
}



.greeting-content {
}

.president-photo {
    flex-shrink: 0;
    width: 300px;
}

.president-photo img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.greeting-text {
    flex: 1;
    font-size: 18px;
    line-height: 1.9;
}

.greeting-text p {
    margin-bottom: 32px;
    text-align: justify;
}