:root {
  /* Colors */
  --color-main: #bdd6da;
  --color-main-dark: #8daeb3;
  --color-base: #ffffff;
  --color-sub: #fcfcfc;
  --color-accent: #f4eee9;
  --color-text: #4a4a4a;
  --color-text-light: #777777;
  --color-border: #eaeaea;

  /* Fonts */
  --font-family: 'Zen Maru Gothic', 'Rounded Mplus 1c', sans-serif;
  
  /* Layout */
  --max-width: 800px;
  --header-height: 70px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 64px;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 24px rgba(189, 214, 218, 0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-family); background-color: var(--color-base); color: var(--color-text); line-height: 1.8; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: opacity 0.3s ease; }
a:hover { opacity: 0.7; }
img { max-width: 100%; height: auto; border-radius: var(--radius-md); }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; color: inherit; }

/* Utilities */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }
.section { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-lg); }
.text-center { text-align: center; }
.text-main { color: var(--color-main); }
.text-main-dark { color: var(--color-main-dark); }
.text-white { color: white; }
.bg-main { background-color: var(--color-main); }
.bg-sub { background-color: var(--color-sub); }
.bg-accent { background-color: var(--color-accent); }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.border-radius-lg { border-radius: var(--radius-lg); }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.relative { position: relative; }

/* Typography */
.page-title { font-size: 1.8rem; font-weight: 700; color: var(--color-main-dark); margin-bottom: var(--spacing-md); line-height: 1.4; }
.section-title { font-size: 1.5rem; font-weight: 700; color: var(--color-main-dark); margin-bottom: var(--spacing-lg); display: flex; align-items: center; justify-content: center; gap: 8px; }
.subsection-title { font-size: 1.25rem; font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-md); display: flex; align-items: center; gap: 8px; }
.subsection-title i { color: var(--color-main); }
.lead { font-size: 1.1rem; font-weight: 500; }

/* Header & Navigation */
.header { position: fixed; top: 0; width: 100%; height: var(--header-height); background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); z-index: 1000; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-sm); transition: all 0.3s ease; }
.header-container { display: flex; justify-content: space-between; align-items: center; height: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }
.logo { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.logo-img { width: 36px; height: 36px; border-radius: 8px; }
.logo span { font-size: 1.5rem; font-weight: 700; color: var(--color-main-dark); letter-spacing: 0.05em; }
.menu-toggle { display: flex; color: var(--color-main-dark); }
.nav-menu { position: fixed; top: 0; right: -100%; width: 80%; max-width: 320px; height: 100vh; background-color: var(--color-base); box-shadow: -4px 0 24px rgba(0,0,0,0.1); transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1); display: flex; flex-direction: column; padding: calc(var(--header-height) + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg); z-index: 1001; }
.nav-menu.open { right: 0; }
.menu-close { position: absolute; top: 20px; right: 20px; color: var(--color-text); }
.nav-list { display: flex; flex-direction: column; gap: var(--spacing-md); font-size: 1.2rem; font-weight: 500; }
.nav-list a { display: block; padding: 8px 0; border-bottom: 1px solid var(--color-border); }

/* Page Transitions */
main { padding-top: var(--header-height); min-height: calc(100vh - var(--header-height) - 150px); }
.page { display: none; animation: fadeIn 0.5s ease forwards; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Buttons & Components */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: var(--radius-full); font-weight: 700; transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); opacity: 0.9; }
.btn-primary { background-color: var(--color-main); color: white; }
.btn-outline { background: white; border: 1px solid var(--color-border); color: var(--color-text); }
.btn-dark { background-color: #333; color: white; }

.card-grid { display: grid; gap: var(--spacing-md); }
.card-grid.2-cols { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.nav-card { background: var(--color-base); padding: var(--spacing-md); border-radius: var(--radius-md); text-align: center; box-shadow: var(--shadow-sm); transition: transform 0.3s ease, box-shadow 0.3s ease; border: 1px solid transparent; }
.nav-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-main); }
.nav-card-icon { width: 60px; height: 60px; margin: 0 auto var(--spacing-sm); background-color: var(--color-accent); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; color: var(--color-text); }
.nav-card h3 { font-size: 1.1rem; margin-bottom: 4px; color: var(--color-main-dark); }
.nav-card p { font-size: 0.85rem; color: var(--color-text-light); }

.card { background: var(--color-base); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.card-body { padding: var(--spacing-lg); }

/* Content Images for Layout Rhythm */
.content-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: block;
}

/* Home Page Specifics */
.hero { height: 60vh; min-height: 400px; position: relative; overflow: hidden; border-bottom-left-radius: 30px; border-bottom-right-radius: 30px; }
.hero-image { width: 100%; height: 100%; background-image: url('./images/irodori_hero_1776401017126.png'); background-size: cover; background-position: center 30%; position: relative; }
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to right, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.0) 100%); }
.hero-content { position: absolute; top: 50%; left: 8%; transform: translateY(-50%); max-width: 90%; }
.hero-catchphrase { font-size: 2.2rem; line-height: 1.4; color: #333; font-weight: 700; text-shadow: 0px 0px 8px rgba(255,255,255,1), 0px 0px 16px rgba(255,255,255,0.8); }
.intro-text p { margin-bottom: var(--spacing-sm); font-size: 1.1rem; }
.about-box { background-color: var(--color-main); color: white; padding: var(--spacing-lg); border-radius: var(--radius-lg); text-align: center; }
.features-list { display: flex; flex-direction: column; gap: var(--spacing-md); }
.feature-item { display: flex; gap: var(--spacing-md); background: var(--color-sub); padding: var(--spacing-md); border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.feature-number { width: 40px; height: 40px; flex-shrink: 0; background: var(--color-main); color: white; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; }
.feature-item h4 { margin-bottom: 4px; color: var(--color-main-dark); }

/* Global Page Headers (Images) */
.page-header-img {
    height: 25vh;
    min-height: 180px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    border-bottom-left-radius: 30px;
    border-bottom-right-radius: 30px;
    margin-bottom: var(--spacing-lg);
}

/* Activities Page */
.line-left { border-left: 6px solid var(--color-main); }
.inline-link { display: inline-flex; align-items: center; gap: 4px; color: var(--color-main-dark); font-weight: bold;}
.inline-link i { width: 18px; height: 18px; }

/* Members Page */
.members-grid { display: grid; gap: var(--spacing-xl); }
.members-grid.compact { gap: var(--spacing-md); grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.profile-card { text-align: left; background: var(--color-base); border-radius: var(--radius-lg); padding: var(--spacing-lg); box-shadow: var(--shadow-sm); border-top: 4px solid var(--color-main); }
.profile-header { display: flex; align-items: center; margin-bottom: 12px; }
.member-icon-img { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; margin-right: 16px; border: 3px solid var(--color-sub); box-shadow: var(--shadow-sm); }
.member-role { font-size: 0.9rem; font-weight: 700; line-height: 1.4; margin-bottom: 4px; margin-top: 4px;}
.member-name { font-size: 1.4rem; font-weight: 700; letter-spacing: 1px;}
.member-job { font-size: 1rem; color: var(--color-text-light); }

/* Recruit Page */
.border-main { border: 2px solid var(--color-main); }
.check-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; font-weight: 500; }
.check-list i { color: var(--color-main); flex-shrink: 0; margin-top: 2px; }
.cta-box { background: var(--color-sub); padding: var(--spacing-lg); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.cta-icon { width: 48px; height: 48px; margin-bottom: var(--spacing-sm); }

/* Contact Page */
.contact-card { display: flex; flex-direction: column; align-items: center; text-align: center; padding: var(--spacing-lg) var(--spacing-md); background: var(--color-sub); border-radius: var(--radius-lg); transition: all 0.3s ease; }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-image-icon { width: 80px; height: 80px; border-radius: 18px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }

/* Global Actions */
.social-icons-row { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.social-img-btn { width: 64px; height: 64px; border-radius: 14px; transition: transform 0.2s ease, box-shadow 0.2s ease; box-shadow: var(--shadow-sm); }
.social-img-btn:hover { transform: scale(1.05) translateY(-2px); box-shadow: var(--shadow-md); }
.top-btn { margin-top: var(--spacing-lg); display: inline-flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--color-text-light); padding: 8px 16px; border-radius: var(--radius-full); background: var(--color-sub); border: 1px solid var(--color-border); }

/* Footer */
.footer { padding: var(--spacing-lg) var(--spacing-md); }
.footer-logo { display: flex; align-items: center; justify-content: center; gap: 8px; }
.footer-logo-img { width: 32px; height: 32px; border-radius: 8px; }
.footer-desc { font-size: 0.9rem; margin-bottom: var(--spacing-lg); opacity: 0.9;}
.copyright { font-size: 0.8rem; opacity: 0.7; }

/* Support Banner */
.support-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid transparent;
    color: var(--color-text);
}
.support-banner:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-main);
    opacity: 1;
}
.support-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.support-icon {
    width: 48px;
    height: 48px;
    color: var(--color-main-dark);
    flex-shrink: 0;
}
.support-banner h3 {
    font-size: 1.3rem;
    color: var(--color-main-dark);
    margin-bottom: 4px;
}
.support-banner p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin: 0;
}
.support-arrow {
    color: var(--color-main);
}
@media (max-width: 767px) {
    .support-banner {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    .support-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .support-arrow {
        display: none;
    }
}

/* Contact Form */
.contact-form-container {
    background: var(--color-base);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
}
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}
.form-group label {
    font-weight: 700;
    color: var(--color-main-dark);
    margin-bottom: 8px;
    font-size: 0.95rem;
}
.required-badge {
    background: #ff7676;
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
}
.form-control {
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--color-sub);
    transition: border-color 0.3s ease;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-main);
    background-color: var(--color-base);
}
textarea.form-control {
    resize: vertical;
    min-height: 150px;
}
@media (min-width: 768px) {
    .form-group {
        flex-direction: row;
        align-items: flex-start;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: var(--spacing-md);
    }
    .form-group label {
        width: 250px;
        flex-shrink: 0;
        margin-bottom: 0;
        padding-top: 12px;
    }
    .form-control {
        flex-grow: 1;
    }
    .contact-form-container {
        padding: var(--spacing-xl);
    }
}

/* Confirm View */
.confirm-view {
    animation: fadeIn 0.4s ease;
}
.confirm-item {
    margin-bottom: var(--spacing-md);
    background-color: var(--color-sub);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}
.confirm-label {
    font-weight: 700;
    color: var(--color-main-dark);
    font-size: 0.85rem;
    margin-bottom: 4px;
}
.confirm-value {
    font-size: 1rem;
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Custom Calendar Layout */
.custom-calendar-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.event-list-content {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 12px;
}

/* Custom Scrollbar for Event List */
.event-list-content::-webkit-scrollbar {
    width: 6px;
}
.event-list-content::-webkit-scrollbar-track {
    background: var(--color-base); 
    border-radius: 10px;
}
.event-list-content::-webkit-scrollbar-thumb {
    background: var(--color-border); 
    border-radius: 10px;
}
.event-list-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-main-dark); 
}

.event-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px dashed var(--color-main);
    align-items: center;
}
.event-item:last-child {
    border-bottom: none;
}

.event-img {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.event-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.event-date {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.event-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-main-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}
.event-title i {
    width: 16px;
    height: 16px;
    color: var(--color-main);
}

/* Calendar Widget Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
    text-align: center;
    font-weight: 700;
    font-size: 0.9rem;
}
.calendar-grid-cells {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    text-align: center;
}

.cal-cell {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.95rem;
    font-weight: 500;
    background-color: var(--color-base);
    color: var(--color-text);
    transition: all 0.2s ease;
}

.cal-cell.empty {
    background-color: transparent;
}

.cal-cell.has-event {
    background-color: #fbd38d; /* pastel orange/yellow */
    color: #9c4221;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.cal-cell.has-event:hover {
    transform: scale(1.1);
    background-color: #f6ad55;
}

.spin-icon {
    animation: spin 1s linear infinite;
}
@keyframes spin {
    100% { transform: rotate(360deg); }
}

/* Media Queries (for PC/Tablet) */
@media (min-width: 768px) {
  .hero-catchphrase { font-size: 3rem; }
  .header-container { padding: 0 var(--spacing-xl); }
  .nav-menu { position: static; flex-direction: row; height: auto; width: auto; max-width: none; background: transparent; padding: 0; box-shadow: none; }
  .menu-toggle, .menu-close { display: none; }
  .nav-list { flex-direction: row; font-size: 1rem; gap: var(--spacing-lg); }
  .nav-list a { border: none; padding: 0; }
  .nav-list a:hover { color: var(--color-main-dark); }
  
  .custom-calendar-layout {
      flex-direction: row;
      align-items: flex-start;
  }
  .event-list-container {
      flex: 1;
  }
  .calendar-widget-container {
      width: 350px;
      flex-shrink: 0;
  }
}