/*
Theme Name: Alumni
Author: Yuta Shimizu
Author URI: https://x.com/pachirel/
Description: A simple and clean blog theme designed specifically for alumni associations. Features a responsive design, clean typography, and easy navigation suitable for sharing news, events, and updates among alumni members.
Version: 1.0.0
License: MIT
Text Domain: dandokai
Tags: blog, custom-colors, custom-menu, featured-images, threaded-comments, translation-ready, two-columns, responsive-layout
*/

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

body {
    font-family: "Noto Sens JP", sans-serif;
    font-weight: 300;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

.site-header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

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

.header-logo {
    display: flex;
    align-items: left;
    justify-content: space-between;
    flex: 0 0 auto;
    margin-right: 2rem;
}

.header-center {
    flex: 1;
    text-align: right;
}

.header-right {
    flex: 0 0 auto;
    margin-left: 2rem;
}

.header-logo-main,
.header-logo-secondary {
    height: 80px;
    width: auto;
    display: block;
}

.site-branding {
    display: inline-block;
}

.site-title {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
    margin: 0 0 0.5rem 0;
    padding: 0;
    display: block;
}

.site-title a {
    color: #414F7E;
    text-decoration: none;
}

.site-header-link {
    margin: 0;
    text-decoration: none;
    font-size: 0.9rem;
}

.site-header-link a {
    color: #414F7E;
    text-decoration: none;
}

.site-header-link a:hover {
    color: #5A6B9D;
    text-decoration: underline;
}

.site-description {
    margin: 0;
    padding: 0;
    color: #6B7AA0;
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .header-left,
    .header-right {
        margin: 0;
    }

    .header-logo-main,
    .header-logo-secondary {
        height: 60px;
    }

    .site-title {
        font-size: 1.5rem;
    }
}

.main-navigation {
    background: #414F7E;
    padding: 0;
    position: relative;
    z-index: 1000;
}

.navigation-wrapper {
    position: relative;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    padding: 1rem;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    width: 50px;
    height: 50px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.main-navigation ul ul {
    list-style: none !important;
    display: block;
}

.main-navigation * {
    list-style: none !important;
}

.main-navigation li {
    margin: 0;
    position: relative;
    list-style: none !important;
}

.main-navigation a {
    color: #fff;
    text-decoration: none;
    padding: 1rem 1.5rem;
    display: block;
    transition: all 0.3s ease;
    position: relative;
}

.main-navigation a:hover {
    background: #5A6B9D;
    transform: translateY(-1px);
}

.main-navigation .menu-item-has-children>a:hover {
    background: linear-gradient(135deg, #5A6B9D 0%, #414F7E 100%);
}

/* Dropdown menu styles */
.main-navigation .menu-item-has-children>a:after {
    content: " ▼";
    font-size: 0.8em;
    margin-left: 0.5em;
}

.main-navigation .dropdown-toggle {
    background: none;
    border: none;
    color: #fff;
    text-decoration: none;
    padding: 1rem 1.5rem;
    display: block;
    transition: all 0.3s ease;
    position: relative;
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    width: 100%;
    text-align: left;
}

.main-navigation .dropdown-toggle:hover {
    background: #5A6B9D;
    transform: translateY(-1px);
}

.main-navigation .dropdown-toggle:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
    background: #5A6B9D;
}

.main-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #414F7E;
    min-width: 180px;
    max-width: 250px;
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.15),
        0 8px 25px rgba(0, 0, 0, 0.1),
        0 2px 6px rgba(0, 0, 0, 0.08);
    display: none;
    flex-direction: column;
    z-index: 10000;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    border-radius: 0 0 8px 8px;
    border-top: 3px solid #5A6B9D;
    white-space: nowrap;
}

.main-navigation .sub-menu li {
    width: 100%;
}

.main-navigation .sub-menu a {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    transition: all 0.2s ease;
}

.main-navigation .sub-menu li:last-child a {
    border-bottom: none;
}

.main-navigation .sub-menu a:hover {
    background: #5A6B9D;
    padding-left: 24px;
    color: #fff;
}

/* Mobile styles */
@media (max-width: 767px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .main-navigation ul {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #414F7E;
        flex-direction: column;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        z-index: 999;
    }

    .main-navigation .sub-menu {
        position: static;
        box-shadow: none;
        background: #5A6B9D;
        margin-left: 1rem;
    }

    .main-navigation .menu-item-has-children>a:after {
        content: " ▶";
    }

    .main-navigation a {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* Accessibility improvements */
.main-navigation a:focus,
.mobile-menu-toggle:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
    background: #5A6B9D;
}

.sub-menu a:focus {
    outline: 2px solid #fff;
    outline-offset: -2px;
    background: #5A6B9D;
}

/* Skip to content link for screen readers */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 999999;
    padding: 8px 16px;
    background: #414F7E;
    color: #fff;
    text-decoration: none;
}

.skip-link:focus {
    left: 6px;
    top: 7px;
}

/* Ensure keyboard navigation works in mobile */
@media (max-width: 767px) {
    .main-navigation [tabindex="-1"]:focus {
        outline: none;
    }

    .main-navigation a:focus {
        outline: 2px solid #fff;
        outline-offset: -2px;
    }
}

/* Notice areas */
.notice-area {
    background: #fff;
    margin: 2rem auto 1rem;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    border-left: 4px solid #414F7E;
}

.notice-widget {
    margin-bottom: 1rem;
}

.notice-widget:last-child {
    margin-bottom: 0;
}

.notice-title {
    color: #414F7E;
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #E8EBF0;
}

.notice-widget p {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.notice-widget p:last-child {
    margin-bottom: 0;
}

.notice-widget ul,
.notice-widget ol {
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.notice-widget a {
    color: #414F7E;
    text-decoration: none;
}

.notice-widget a:hover {
    color: #5A6B9D;
    text-decoration: underline;
}

.site-main {
    background: #fff;
    padding: 2rem;
    margin: 1rem auto 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
}


.post {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.post:last-child {
    border-bottom: none;
}

.post-title {
    font-size: 1.8rem;
    margin-top: 0;
    margin-bottom: 1rem;
    color: #414F7E;
}

.post-title a {
    color: inherit;
    text-decoration: none;
}

.post-title a:hover {
    color: #5A6B9D;
}

.post-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-content {
    margin-bottom: 1rem;
}

.post-categories {
    margin-top: 1rem;
}

.post-categories a {
    background: #414F7E;
    color: #fff;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    text-decoration: none;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    display: inline-block;
}

.post-categories a:hover {
    background: #5A6B9D;
}

.sidebar {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.widget {
    margin-bottom: 2rem;
}

.widget-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #414F7E;
    border-bottom: 2px solid #414F7E;
    padding-bottom: 0.5rem;
}

.widget ul {
    list-style: none;
}

.widget li {
    margin-bottom: 0.5rem;
}

.widget a {
    color: #414F7E;
    text-decoration: none;
}

.widget a:hover {
    color: #5A6B9D;
}

.site-footer {
    background: #414F7E;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.author {
    margin: 1rem;
    font-size: 0.9rem;
    text-align: right;
    color: #666;
}

.sponsors-container {
    background-color: #FFF;
    padding: 20px;
}

#sponsors {
    list-style: none;
    margin: 5px;
}

#sponsors a {
    display: block;
    color: #000;
    text-decoration: none;
}

#sponsors a:hover {
    text-decoration: underline;
}

#sponsors li {
    margin: 8px 0;
    padding: 8px 0;
    border-top: 1px solid #ccc;
}

#sponsors li:first-child {
    border-top: none;
}

#sponsors li img {
    display: block;
    width: 100%;
}

#sponsors li p {
    font-size: .9em;
    margin: 5px 0 0;
    padding: 0;
}

.sponsors-footer {
    font-size: .8em;
    color: #666;
}

@media (max-width: 768px) {
    .main-navigation ul {
        flex-direction: column;
    }

    .container {
        padding: 0 15px;
    }

    .content-wrapper {
        flex-direction: column;
        margin: 1rem 0;
    }

    .site-main {
        padding: 1rem;
    }

    .side-menu {
        width: 100%;
        position: static;
        margin-top: 1rem;
    }

    .post-title {
        font-size: 1.5rem;
    }
}

article h2 {
    margin-top: 4rem;
    margin-bottom: 1rem;
}

article h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

article p {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

/* New Sidebar Layout */
.layout-wrapper {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.sidebar-navigation {
    width: 280px;
    background: #414F7E;
    padding: 0;
}

.main-content {
    flex: 1;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Sidebar Navigation Styles */
.sidebar-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-menu-list li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu-list li:last-child {
    border-bottom: none;
}

.sidebar-menu-list a {
    display: block;
    padding: 6px 12px;
    color: #fff;
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.sidebar-menu-list a:hover {
    background: #5A6B9D;
}

/* Banner Area Styles */
.banner-area {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.banner-widget {
    margin-bottom: 1rem;
}

.banner-widget:last-child {
    margin-bottom: 0;
}

.random-banner-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.random-banner-item:hover {
    transform: translateY(-2px);
}

.random-banner-item a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
}

.banner-text {
    padding: 12px;
    font-size: 0.9rem;
    line-height: 1.4;
    color: #333;
}

/* Remove old navigation styles */
.main-navigation {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .layout-wrapper {
        flex-direction: column;
    }

    .sidebar-navigation {
        width: 100%;
        min-height: auto;
        order: 2;
    }

    .main-content {
        order: 1;
        margin: 1rem;
        padding: 1rem;
    }

    .sidebar-menu-list {
        display: flex;
        flex-wrap: wrap;
    }

    .sidebar-menu-list li {
        flex: 1;
        min-width: 150px;
        border-bottom: none;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }

    .sidebar-menu-list li:last-child {
        border-right: none;
    }

    .sidebar-menu-list a {
        padding: 12px;
        font-size: 0.9rem;
        text-align: center;
    }

    .banner-area {
        padding: 1rem;
        display: flex;
        gap: 1rem;
        overflow-x: auto;
    }

    .banner-widget {
        min-width: 200px;
        margin-bottom: 0;
    }
}

/* Category Page 2-Column Layout */
.category-content-wrapper {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.category-main-content {
    flex: 2;
}

.category-sidebar {
    flex: 1;
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    height: fit-content;
}

.category-description-sidebar {
    margin-bottom: 2rem;
}

.category-description-sidebar h3,
.category-archives h3 {
    color: #414F7E;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #414F7E;
}

.category-description-sidebar p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: #555;
}

.category-year-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.category-year-list li {
    margin-bottom: 0.5rem;
}

.category-year-list a {
    display: block;
    padding: 8px 12px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #414F7E;
    transition: all 0.3s ease;
}

.category-year-list a:hover {
    background: #414F7E;
    color: #fff;
    transform: translateX(5px);
}

/* Responsive adjustments for category pages */
@media (max-width: 768px) {
    .category-content-wrapper {
        flex-direction: column;
    }

    .category-sidebar {
        order: -1;
        margin-bottom: 1rem;
    }
}