/* ===== CONTENT PROTECTION ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
    user-select: none;
    font-kerning: auto;
}

/* Prevent text and content selection */
html, body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
}

html {
    width: 100%;
    height: auto;
}

body {
    width: 100%;
    height: auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overflow-y: auto;
    position: static;
}

/* Prevent printable output */
@media print {
    html,
    body {
        display: none !important;
    }
}

/* Background Container */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: url('assets/images%20(1).jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}

.japan-flag-animated {
    display: none;
}

.flag-image {
    width: 90%;
    height: 35%;
    object-fit: cover;
    object-position: center;
    animation: flagWave 5s ease-in-out infinite;
    transform-origin: center;
}

@keyframes flagWave {
    0% {
        transform: rotate(0deg) scale(1) translateY(0);
    }
    20% {
        transform: rotate(-3deg) scale(1.05) translateY(-5px);
    }
    40% {
        transform: rotate(0deg) scale(1) translateY(0);
    }
    60% {
        transform: rotate(3deg) scale(1.05) translateY(5px);
    }
    80% {
        transform: rotate(0deg) scale(1) translateY(0);
    }
    100% {
        transform: rotate(0deg) scale(1) translateY(0);
    }
}

.background-blur {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(0.5px);
    -webkit-backdrop-filter: blur(0.5px);
    background: transparent;
}

/* Main Container */
.container {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: auto;
    display: block;
    padding-top: 20px;
    padding-bottom: 40px;
    overflow: visible;
}

/* Logo Container */
.logo-container {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 10;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.logo-container.hide-on-scroll {
    opacity: 0;
    visibility: hidden;
}

.logo {
    width: 70px;
    height: 70px;
    object-fit: contain;
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.4));
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 50px;
    margin-top: 60px;
    color: #FFFFFF;
    text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.6);
    padding: 60px 30px;
    width: 100%;
    box-sizing: border-box;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, rgba(255, 215, 0, 0.03) 100%);
    border-radius: 15px;
    border-top: 3px solid rgba(255, 215, 0, 0.4);
    border-bottom: 1px solid rgba(255, 215, 0, 0.15);
}

.title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: 1.5px;
    background: linear-gradient(135deg, #FFD700 0%, #FFC500 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
}

.subtitle {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
    letter-spacing: 0.8px;
    color: rgba(255, 255, 255, 0.95);
}

/* Hamburger Menu Button */
.hamburger-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 26;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.hamburger-btn.hide-on-scroll {
    opacity: 0;
    visibility: hidden;
}

.hamburger-btn:hover {
    opacity: 0.8;
}

.hamburger-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: #FFD700;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* Navigation Dropdown Menu */
.nav-dropdown {
    position: fixed;
    top: 70px;
    right: 20px;
    display: none;
    flex-direction: column;
    gap: 12px;
    z-index: 24;
    background: rgba(26, 58, 111, 0.95);
    padding: 15px;
    border-radius: 12px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: slideDown 0.3s ease;
}

.nav-dropdown.active {
    display: flex;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 25;
}

.lang-btn {
    padding: 8px 14px;
    border: 1.5px solid rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border-radius: 22px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    transition: all 0.35s ease;
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.45);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.lang-btn.active {
    background: rgba(188, 0, 45, 0.9);
    border-color: white;
    box-shadow: 0 6px 20px rgba(188, 0, 45, 0.4);
}

/* Login Button */
.login-btn {
    padding: 10px 16px;
    border: 2px solid rgba(255, 215, 0, 0.9);
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    border-radius: 22px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    transition: all 0.35s ease;
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
}

.login-btn:hover {
    background: rgba(255, 215, 0, 0.35);
    border-color: #FFD700;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
}

/* Google Translate Widget - Completely Hidden */
.translate-widget {
    display: none !important;
    visibility: hidden !important;
}

#google_translate_element {
    display: none !important;
    visibility: hidden !important;
}

.goog-te-gadget {
    display: none !important;
    visibility: hidden !important;
}

.goog-te-gadget-simple {
    display: none !important;
    visibility: hidden !important;
}

.goog-te-combo {
    display: none !important;
    visibility: hidden !important;
}

.VIpjJd {
    display: none !important;
    visibility: hidden !important;
}

.skiptranslate {
    display: none !important;
    visibility: hidden !important;
}

/* Main Content */
.main-content {
    text-align: center;
    color: white;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
    width: 100%;
    max-width: 900px;
    margin: 40px auto;
    overflow: hidden;
    padding: 60px 50px;
    background: transparent;
    backdrop-filter: none;
    line-height: 1.8;
    border-top: none;
    border-bottom: none;
    box-sizing: border-box;
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    gap: 45px;
}

.welcome-section,
.info-section,
.mission-section {
    width: 100%;
    box-sizing: border-box;
    padding: 40px;
    background: transparent;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    flex-shrink: 0;
    position: relative;
    z-index: auto;
    text-align: center;
}

.welcome-section:last-child,
.info-section:last-child,
.mission-section:last-child {
    margin-bottom: 0;
}

.welcome-section h2,
.info-section h3,
.mission-section h3 {
    font-size: 28px;
    margin: 0 0 30px 0;
    padding: 0;
    font-weight: 800;
    letter-spacing: 0.9px;
    text-align: center;
    color: #FFD700;
    text-transform: uppercase;
    line-height: 1.3;
    word-break: break-word;
    display: block;
    position: relative;
}

.welcome-section h2::before,
.info-section h3::before,
.mission-section h3::before {
    display: none;
}

.welcome-section p,
.mission-section p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 400;
    text-align: center;
    margin: 0 auto;
    padding: 0;
    word-spacing: 0.1em;
    word-break: break-word;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 0.3px;
    max-width: 700px;
}

.info-section ul {
    list-style: none;
    font-size: 15px;
    line-height: 1.6;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 600px;
}

.info-section li {
    margin: 0 auto;
    padding: 20px;
    position: relative;
    line-height: 1.7;
    display: block;
    word-break: break-word;
    background: transparent;
    border-left: none;
    border-radius: 0;
    transition: all 0.3s ease;
    text-align: center;
}

.info-section li:hover {
    background: transparent;
    transform: scale(1.02);
    box-shadow: none;
}

.info-section li:last-child {
    margin-bottom: 0;
}

.info-section li::before {
    display: none;
}

.info-section strong {
    font-weight: 700;
    color: #FFD700;
    margin-right: 10px;
    min-width: 100px;
}

.info-section span {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

/* Footer */
.footer {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    padding: 60px 50px;
    margin-top: 50px;
    border-top: 3px solid rgba(255, 215, 0, 0.3);
    width: 100%;
    box-sizing: border-box;
    z-index: 5;
    gap: 60px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.35) 100%);
    backdrop-filter: blur(10px);
}

.footer-left-content {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-section-title {
    color: #FFD700;
    font-size: 16px;
    font-weight: 800;
    margin: 0 !important;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    display: flex;
    align-items: center;
    position: relative;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(255, 215, 0, 0.4);
}

.footer-section-title::before {
    content: "★";
    color: #FFD700;
    font-size: 16px;
    margin-right: 12px;
    flex-shrink: 0;
}

.footer-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-left: 28px;
}

.footer-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 12px 15px;
    background: rgba(255, 215, 0, 0.05);
    border-left: 3px solid rgba(255, 215, 0, 0.6);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.footer-item:hover {
    background: rgba(255, 215, 0, 0.12);
    box-shadow: 0 3px 10px rgba(255, 215, 0, 0.15);
    transform: translateX(5px);
}

.footer-label {
    color: #FFD700;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.footer-value {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 14px;
    line-height: 1.5;
}

.footer-mission-text {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    line-height: 1.8;
    margin: 0 !important;
    max-width: 700px;
    font-weight: 400;
    padding: 15px;
    background: rgba(255, 215, 0, 0.05);
    border-left: 3px solid rgba(255, 215, 0, 0.6);
    border-radius: 6px;
}

.footer-cooperation {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 215, 0, 0.08);
    border-left: 3px solid rgba(255, 215, 0, 0.6);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.footer-cooperation:hover {
    background: rgba(255, 215, 0, 0.15);
    box-shadow: 0 3px 10px rgba(255, 215, 0, 0.15);
    transform: translateX(5px);
}

.footer-cooperation-title {
    color: #FFD700;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
    flex-shrink: 0;
}

.footer-cooperation-text {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 14px;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.65);
    font-size: 12px;
    font-weight: 600;
    margin: 0 !important;
    letter-spacing: 0.3px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 215, 0, 0.2);
    margin-top: 20px !important;
}

.footer-flag-container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
    margin-left: auto;
    margin-right: 0;
    align-self: stretch;
}

.footer-flag {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(255, 215, 0, 0.8);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.25), 0 0 15px rgba(255, 215, 0, 0.15), inset 0 0 20px rgba(255, 215, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 58, 111, 0.5);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.footer-flag:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.35), 0 0 20px rgba(255, 215, 0, 0.2);
}

.japan-flag-footer {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Login Page Styles */
.login-page-container {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
}

.login-page-logo {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 10;
}

.login-page-logo .logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.4));
}

.login-page-card {
    background: linear-gradient(180deg, rgba(5, 10, 18, 0.9) 0%, rgba(7, 12, 19, 0.95) 100%);
    border: 3px solid rgba(255, 215, 0, 0.9);
    border-radius: 16px;
    padding: 0;
    width: min(92vw, 860px);
    min-height: 720px;
    box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.2), 0 20px 45px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: slideUp 0.3s ease;
    overflow: hidden;
}

.login-page-title {
    color: rgba(255, 255, 255, 0.98);
    text-align: center;
    margin-bottom: 26px;
    font-size: clamp(2.2rem, 3.5vw, 3.1rem);
    font-weight: 700;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.25);
}

/* Login Modal */
.login-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 100;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.login-modal.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.login-container {
    background: linear-gradient(135deg, rgba(26, 58, 111, 0.95) 0%, rgba(42, 79, 143, 0.95) 50%, rgba(30, 63, 90, 0.95) 100%);
    border-radius: 20px;
    padding: 30px;
    width: 90%;
    max-width: 350px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: #FFD700;
    transform: rotate(90deg);
}

.login-title {
    color: white;
    text-align: center;
    margin-bottom: 25px;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
}

.form-input {
    width: 100%;
    height: 54px;
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-input:focus {
    outline: none;
    border-color: #FFD700;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.2);
}

/* FLOATING LOGIN MODAL STYLES */
.login-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.login-modal-overlay.active {
    display: flex;
}

.floating-login-modal {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, rgba(10, 12, 18, 0.92) 100%);
    border-radius: 16px;
    padding: 30px 34px 22px;
    width: min(92vw, 860px);
    box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.2), 0 20px 50px rgba(0, 0, 0, 0.45);
    border: 3px solid rgba(255, 215, 0, 0.9);
    position: relative;
    animation: slideUp 0.4s ease;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 215, 0, 0.2);
    border: 1.5px solid rgba(255, 215, 0, 0.5);
    color: #FFD700;
    font-size: 32px;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.modal-close-btn:hover {
    background: rgba(255, 215, 0, 0.35);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
    transform: rotate(90deg);
}

.modal-lang-btn {
    position: absolute;
    top: 18px;
    right: 20px;
    background: rgba(255, 215, 0, 0.15);
    border: 1.5px solid rgba(255, 215, 0, 0.8);
    color: #FFD700;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    padding: 8px 12px;
    min-width: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.modal-lang-btn:hover {
    background: rgba(255, 215, 0, 0.35);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.modal-lang-btn.active {
    background: rgba(255, 215, 0, 0.5);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.modal-header {
    text-align: center;
    padding: 10px 0 14px;
    border-bottom: 2px solid rgba(255, 215, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 110px;
}

.modal-japan-flag {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 3px solid #FFD700;
    object-fit: cover;
    object-position: center;
    filter: drop-shadow(0 0 18px rgba(255, 215, 0, 0.3));
    display: block;
    background: #fff;
}

.modal-title {
    color: #FFD700;
    text-align: center;
    font-size: clamp(1.5rem, 2vw, 2.2rem);
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    line-height: 1.5;
    letter-spacing: 0.5px;
    text-transform: none;
    margin: 10px 0 18px;
}

.modal-login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-input-group label {
    color: #FFD700;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
}

.modal-form-input {
    padding: 12px 14px;
    border: 2px solid rgba(255, 215, 0, 0.4);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    font-family: inherit;
    height: 54px;
}

.modal-form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.modal-form-input:focus {
    outline: none;
    border-color: #FFD700;
    background: rgba(255, 215, 0, 0.08);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.25);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper .modal-form-input {
    width: 100%;
    padding-right: 40px;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.eye-icon {
    width: 20px;
    height: 20px;
    color: rgba(255, 215, 0, 0.7);
    stroke: rgba(255, 215, 0, 0.7);
    transition: all 0.3s ease;
}

.password-toggle-btn:hover .eye-icon {
    color: #FFD700;
    stroke: #FFD700;
}

.modal-login-error {
    color: #FF6B6B;
    font-size: 13px;
    text-align: center;
    margin: 0;
    display: none;
}

.modal-login-error.show {
    display: block;
}

.modal-login-submit-btn {
    display: block;
    width: min(100%, 220px);
    margin: 10px auto 0;
    padding: 15px 20px;
    background: rgba(255, 215, 0, 0.18);
    border: 2px solid rgba(255, 215, 0, 0.9);
    color: #FFD700;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.modal-login-submit-btn:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.4) 0%, rgba(255, 215, 0, 0.25) 100%);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
    transform: translateY(-2px);
}

.modal-login-submit-btn:active {
    transform: translateY(0);
}

.modal-footer {
    text-align: center;
    padding-top: 15px;
    border-top: 2px solid rgba(255, 215, 0, 0.2);
}

.modal-army-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.25));
}

/* Responsive Modal */
@media (max-width: 480px) {
    .floating-login-modal {
        width: 95%;
        max-width: 360px;
        padding: 25px 20px;
        gap: 15px;
    }

    .modal-title {
        font-size: 14px;
    }

    .modal-japan-flag {
        width: 70px;
        height: 70px;
    }

    .modal-army-logo {
        width: 50px;
        height: 50px;
    }

    .modal-form-input {
        font-size: 13px;
        padding: 11px 12px;
    }

    .modal-lang-btn {
        top: 10px;
        right: 50px;
        padding: 6px 10px;
        font-size: 10px;
        min-width: 35px;
    }

    .modal-close-btn {
        top: 10px;
        right: 10px;
        width: 36px;
        height: 36px;
        font-size: 28px;
    }
}

@media (min-width: 481px) and (max-width: 720px) {
    .floating-login-modal {
        width: 80%;
        max-width: 420px;
    }

    .modal-title {
        font-size: 15px;
    }

    .modal-lang-btn {
        top: 12px;
        right: 55px;
        padding: 7px 11px;
        font-size: 10px;
        min-width: 38px;
    }

    .modal-close-btn {
        top: 12px;
        right: 12px;
    }
}

@media (min-width: 721px) {
    .floating-login-modal {
        width: 70%;
        max-width: 450px;
    }

    .modal-lang-btn {
        top: 12px;
        right: 58px;
        padding: 8px 12px;
        font-size: 11px;
    }

    .modal-close-btn {
        top: 12px;
        right: 12px;
    }
}

.form-input:focus {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.submit-btn {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(255, 215, 0, 0.9);
    border-radius: 10px;
    background: transparent;
    color: rgba(255, 255, 255, 0.98);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.submit-btn:hover {
    background: rgba(255, 215, 0, 0.08);
    box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.18);
    transform: translateY(-1px);
}

.login-error {
    color: #FF6B6B;
    font-size: 13px;
    text-align: center;
    margin: 0;
    display: none;
    animation: shake 0.3s ease;
}

.login-error.show {
    display: block;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Profile Modal */
.profile-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 100;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.profile-modal.active {
    display: flex;
}

.profile-container {
    background: linear-gradient(135deg, rgba(26, 58, 111, 0.95) 0%, rgba(42, 79, 143, 0.95) 50%, rgba(30, 63, 90, 0.95) 100%);
    border-radius: 20px;
    padding: 30px;
    width: 90%;
    max-width: 350px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    animation: slideUp 0.3s ease;
}

.profile-lang-switcher {
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.profile-lang-btn {
    padding: 6px 12px;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-radius: 18px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    transition: all 0.35s ease;
    backdrop-filter: blur(10px);
}

.profile-lang-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
}

.profile-lang-btn.active {
    background: rgba(188, 0, 45, 0.8);
    border-color: white;
}

.profile-header {
    text-align: center;
    margin-bottom: 25px;
}

.profile-picture {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid #FFD700;
    object-fit: cover;
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
    display: block;
}

.profile-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.profile-name {
    color: white;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.profile-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.profile-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    display: block;
    margin-bottom: 5px;
}

.profile-email,
.profile-status,
.profile-username {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.profile-risk-benefit {
    color: #FFD700;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.profile-details-section {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 12px;
    padding: 20px;
    margin-top: 15px;
    animation: slideUp 0.4s ease;
}

.profile-details-title {
    color: #FFD700;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.profile-details-content {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.profile-details-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    line-height: 1.6;
    margin: 8px 0;
    border-left: 3px solid #FFD700;
    padding-left: 10px;
}

.profile-details-leader {
    color: #FFD700;
    font-size: 12px;
    font-weight: 700;
    margin-top: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-btn {
    display: block;
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 215, 0, 0.15) 100%);
    border: 2px solid #FFD700;
    color: #FFD700;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.contact-btn:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.4) 0%, rgba(255, 215, 0, 0.25) 100%);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    transform: translateY(-2px);
}

.contact-btn:active {
    transform: translateY(0);
}

.logout-btn {
    padding: 12px 20px;
    border: 2px solid #FF6B6B;
    background: rgba(255, 107, 107, 0.2);
    color: #FF6B6B;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.logout-btn:hover {
    background: rgba(255, 107, 107, 0.35);
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.4);
    transform: translateY(-2px);
}

/* Mobile-First Responsive Design */

/* Small phones (360px - 480px) - Samsung Galaxy S9, S10 */
@media (max-width: 480px) {
    .container {
        padding-top: 15px;
        overflow-x: hidden;
    }

    .language-switcher {
        display: none !important;
    }

    .hamburger-btn {
        display: flex !important;
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        gap: 4px;
        z-index: 30;
    }

    .nav-dropdown {
        display: none;
        top: 70px;
        right: 15px;
    }

    .nav-dropdown.active {
        display: flex;
        z-index: 25;
    }

    .hamburger-btn span {
        width: 18px;
        height: 2px;
    }

    .nav-dropdown {
        top: 60px;
        right: 15px;
        padding: 12px;
        gap: 10px;
    }

    .lang-btn,
    .login-btn {
        padding: 8px 14px;
        font-size: 12px;
        border-width: 1.5px;
    }

    .logo {
        width: 55px;
        height: 55px;
    }

    .logo-container {
        top: 12px;
        left: 12px;
    }

    .header {
        margin-top: 25px;
        margin-bottom: 25px;
        padding: 35px 15px;
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, rgba(255, 215, 0, 0.03) 100%);
        border-radius: 12px;
        border-top: 3px solid rgba(255, 215, 0, 0.4);
        border-bottom: 1px solid rgba(255, 215, 0, 0.15);
    }

    .title {
        font-size: 28px;
        margin-bottom: 8px;
        background: linear-gradient(135deg, #FFD700 0%, #FFC500 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .subtitle {
        font-size: 14px;
    }

    .main-content {
        padding: 25px 14px;
        margin-bottom: 20px;
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.2) 100%);
        gap: 0;
    }

    .welcome-section,
    .info-section,
    .mission-section {
        margin-bottom: 22px;
        padding: 25px 16px;
        background: rgba(255, 215, 0, 0.055);
        border: 1px solid rgba(255, 215, 0, 0.2);
        border-radius: 10px;
        backdrop-filter: blur(5px);
    }

    .welcome-section:last-child,
    .info-section:last-child,
    .mission-section:last-child {
        margin-bottom: 0;
    }

    .welcome-section h2,
    .info-section h3,
    .mission-section h3 {
        font-size: 20px;
        margin: 0 0 18px 0;
        padding: 0;
        letter-spacing: 0.5px;
        line-height: 1.3;
        display: flex;
        align-items: center;
        font-weight: 800;
        text-transform: uppercase;
    }

    .welcome-section h2::before,
    .info-section h3::before,
    .mission-section h3::before {
        content: "";
        display: inline-block;
        width: 4px;
        height: 20px;
        background: linear-gradient(180deg, #FFD700 0%, #FFC500 100%);
        border-radius: 2px;
        margin-right: 10px;
        flex-shrink: 0;
    }

    .welcome-section p,
    .mission-section p {
        font-size: 14px;
        line-height: 1.7;
        margin: 0;
        padding: 0;
        color: rgba(255, 255, 255, 0.95);
        letter-spacing: 0.2px;
    }

    .info-section ul {
        font-size: 13px;
        line-height: 1.6;
        margin: 0;
        padding: 0;
        display: grid;
        gap: 12px;
    }

    .info-section li {
        margin: 0;
        padding: 15px;
        display: flex;
        align-items: center;
        line-height: 1.5;
        background: rgba(26, 58, 111, 0.4);
        border-left: 4px solid #FFD700;
        border-radius: 6px;
        transition: all 0.3s ease;
    }

    .info-section li:hover {
        background: rgba(26, 58, 111, 0.6);
        transform: translateX(3px);
        box-shadow: 0 3px 12px rgba(255, 215, 0, 0.15);
    }

    .info-section li:last-child {
        margin-bottom: 0;
    }

    .info-section li::before {
        font-size: 16px;
        position: relative;
        left: 0;
        top: 0;
        margin-right: 12px;
        flex-shrink: 0;
    }

    .info-section strong {
        font-weight: 700;
        color: #FFD700;
        margin-right: 8px;
        min-width: 90px;
    }

    .info-section span {
        color: rgba(255, 255, 255, 0.95);
        font-weight: 500;
    }

    .footer {
        flex-direction: column;
        padding: 20px 14px;
        gap: 20px;
        align-items: center;
        margin-top: 20px;
        border-top: 1px solid rgba(255, 215, 0, 0.15);
    }

    .footer-content {
        text-align: center;
        font-size: 11px;
        width: 100%;
        order: 1;
    }

    .footer-mission {
        gap: 8px;
    }

    .footer-copyright {
        font-size: 10px;
    }

    .footer-mission-title {
        font-size: 12px;
        letter-spacing: 0.5px;
        margin-top: 6px !important;
    }

    .footer-mission-text {
        font-size: 11px;
        line-height: 1.5;
        max-width: 100%;
        text-align: center;
    }

    .footer-flag {
        width: 80px;
        height: 80px;
        border: 2px solid rgba(255, 215, 0, 0.5);
        order: 2;
    }

    .login-container {
        width: 95%;
        padding: 20px;
    }

    .login-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .form-input {
        padding: 10px 12px;
        font-size: 13px;
    }

    .submit-btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .profile-container {
        width: 95%;
        padding: 20px;
    }

    .profile-picture {
        width: 100px;
        height: 100px;
        border-radius: 50%;
    }

    .profile-name {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .profile-email,
    .profile-status {
        font-size: 14px;
    }

    .profile-username {
        font-size: 14px;
    }

    .profile-info {
        padding: 12px;
    }

    .profile-details-section {
        padding: 15px;
        margin-top: 12px;
    }

    .profile-details-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .profile-details-text {
        font-size: 12px;
        margin: 6px 0;
    }

    .profile-details-leader {
        font-size: 11px;
        margin-top: 10px;
    }

    .contact-btn {
        padding: 10px 16px;
        font-size: 12px;
    }

    .logout-btn {
        padding: 10px 16px;
        font-size: 13px;
        margin-top: 8px;
    }

    .login-page-container {
        padding: 15px;
    }

    .login-page-card {
        width: 95%;
        max-width: 100%;
        padding: 30px 20px;
    }

    .login-page-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .form-input {
        font-size: 14px;
        padding: 12px;
    }

    .submit-btn {
        font-size: 14px;
        padding: 12px;
    }

    .footer {
        flex-direction: column;
        padding: 25px 18px;
        gap: 25px;
        align-items: center;
    }

    .footer-content {
        text-align: center;
        font-size: 11px;
        width: 100%;
    }

    .footer-mission-title {
        font-size: 13px;
        letter-spacing: 0.8px;
        margin-top: 8px !important;
    }

    .footer-mission-text {
        font-size: 11px;
        line-height: 1.5;
        max-width: 100%;
        text-align: center;
    }

    .footer-copyright {
        font-size: 10px;
    }

    .footer-flag {
        width: 90px;
        height: 90px;
        border-width: 2px;
    }
}

/* Medium phones (480px - 720px) - Samsung Galaxy S20, S21 */
@media (min-width: 481px) and (max-width: 720px) {
    .title {
        font-size: 32px;
    }

    .subtitle {
        font-size: 15px;
    }

    .hamburger-btn {
        display: flex;
        width: 44px;
        height: 44px;
    }

    .hamburger-btn span {
        width: 20px;
        height: 2px;
    }

    .nav-dropdown.active {
        display: flex;
    }

    .logo {
        width: 65px;
        height: 65px;
    }

    .header {
        margin-top: 40px;
        margin-bottom: 40px;
        padding: 45px 25px;
    }

    .main-content {
        padding: 40px 30px;
        margin-bottom: 30px;
        gap: 0;
    }

    .welcome-section,
    .info-section,
    .mission-section {
        margin-bottom: 40px;
        padding: 35px;
        background: rgba(255, 215, 0, 0.055);
        border: 1px solid rgba(255, 215, 0, 0.2);
        border-radius: 12px;
    }

    .welcome-section h2,
    .info-section h3,
    .mission-section h3 {
        font-size: 24px;
        margin: 0 0 25px 0;
        padding: 0;
        display: flex;
        align-items: center;
    }

    .welcome-section h2::before,
    .info-section h3::before,
    .mission-section h3::before {
        content: "";
        display: inline-block;
        width: 5px;
        height: 24px;
        background: linear-gradient(180deg, #FFD700 0%, #FFC500 100%);
        border-radius: 3px;
        margin-right: 12px;
        flex-shrink: 0;
    }

    .welcome-section p,
    .mission-section p {
        font-size: 15px;
        line-height: 1.7;
        margin: 0;
        color: rgba(255, 255, 255, 0.95);
    }

    .info-section ul {
        font-size: 14px;
        line-height: 1.6;
        margin: 0;
        padding: 0;
        display: grid;
        gap: 14px;
    }

    .info-section li {
        margin: 0;
        padding: 18px;
        display: flex;
        align-items: center;
        line-height: 1.6;
        background: rgba(26, 58, 111, 0.4);
        border-left: 4px solid #FFD700;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .info-section li:hover {
        background: rgba(26, 58, 111, 0.6);
        transform: translateX(4px);
        box-shadow: 0 4px 15px rgba(255, 215, 0, 0.15);
    }

    .info-section li:last-child {
        margin-bottom: 0;
    }

    .info-section li::before {
        font-size: 16px;
        position: relative;
        left: 0;
        top: 0;
        margin-right: 14px;
        flex-shrink: 0;
    }

    .info-section strong {
        font-weight: 700;
        color: #FFD700;
        margin-right: 10px;
        min-width: 100px;
    }

    .info-section span {
        color: rgba(255, 255, 255, 0.95);
        font-weight: 500;
    }

    .login-page-card {
        width: 90%;
        max-width: 400px;
        padding: 35px 25px;
    }

    .login-page-title {
        font-size: 26px;
    }

    .profile-details-section {
        padding: 18px;
    }

    .profile-details-title {
        font-size: 17px;
    }

    .profile-details-text {
        font-size: 13px;
    }

    .contact-btn {
        padding: 11px 18px;
        font-size: 13px;
    }

    .footer {
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        align-items: center;
    }

    .footer-content {
        text-align: center;
        font-size: 12px;
        width: 100%;
    }

    .footer-mission-title {
        font-size: 14px;
        letter-spacing: 0.8px;
        margin-top: 10px !important;
    }

    .footer-mission-text {
        font-size: 12px;
        line-height: 1.6;
        max-width: 100%;
        text-align: center;
    }

    .footer-copyright {
        font-size: 11px;
    }

    .footer-flag {
        width: 100px;
        height: 100px;
        border-width: 2px;
    }
}

/* Large phones (720px - 1024px) - Tablets/Foldables */
@media (min-width: 721px) {
    .title {
        font-size: 32px;
    }

    .subtitle {
        font-size: 20px;
    }

    .hamburger-btn {
        display: flex;
        width: 44px;
        height: 44px;
    }

    .hamburger-btn span {
        width: 20px;
        height: 2px;
    }

    .nav-dropdown.active {
        display: flex;
    }

    .logo {
        width: 70px;
        height: 70px;
    }

    .main-content {
        max-width: 70%;
        padding: 28px;
        gap: 0;
    }

    .welcome-section,
    .info-section,
    .mission-section {
        margin-bottom: 35px;
    }

    .welcome-section h2,
    .info-section h3,
    .mission-section h3 {
        font-size: 26px;
        margin: 0 0 22px 0;
        padding: 0;
    }

    .welcome-section p,
    .mission-section p {
        font-size: 15px;
        line-height: 1.8;
        margin: 0;
    }

    .info-section ul {
        font-size: 15px;
        line-height: 1.4;
        margin: 0;
        padding: 0;
    }

    .info-section li {
        margin: 0 0 16px 0;
        padding: 0 0 0 30px;
        display: block;
        line-height: 1.4;
    }

    .info-section li:last-child {
        margin-bottom: 0;
    }

    .info-section li::before {
        position: absolute;
        left: 5px;
        top: 0;
    }

    .info-section li::before {
        position: absolute;
        left: 5px;
        top: 0;
    }

    .login-page-card {
        width: 85%;
        max-width: 450px;
        padding: 40px 30px;
    }

    .login-page-title {
        font-size: 28px;
    }

    .profile-details-section {
        padding: 20px;
        margin-top: 18px;
    }

    .profile-details-title {
        font-size: 18px;
        margin-bottom: 15px;
    }

    .profile-details-content {
        padding: 18px;
    }

    .profile-details-text {
        font-size: 14px;
        margin: 9px 0;
    }

    .contact-btn {
        padding: 13px 22px;
        font-size: 15px;
    }
}

/* Touch-friendly adjustments */
@media (hover: none) and (pointer: coarse) {
    .lang-btn {
        min-height: 44px;
        min-width: 60px;
    }
}

/* Landscape mode */
@media (max-height: 600px) {
    .container {
        padding: 10px;
    }

    .header {
        margin-bottom: 10px;
    }

    .main-content {
        max-height: 50vh;
        margin-bottom: 10px;
    }

    .title {
        font-size: 20px;
    }

    .subtitle {
        font-size: 14px;
    }
}

/* Prevent text selection on long press */
input, button, textarea, select {
    -webkit-user-select: text;
    user-select: text;
}

/* Cross-Browser Responsive Stabilization */
:where(img, svg, video, canvas) {
    max-width: 100%;
    height: auto;
}

body {
    min-height: 100vh;
    min-height: 100svh;
}

.container {
    min-height: 100vh;
    min-height: 100svh;
}

.main-content,
.footer,
.login-page-card,
.floating-login-modal {
    max-width: 100%;
}

.nav-dropdown {
    max-width: min(90vw, 320px);
}

.floating-login-modal {
    max-height: min(90vh, 90svh);
    overflow-y: auto;
}

.login-page-container {
    min-height: 100vh;
    min-height: 100svh;
    height: auto;
}

@supports (-webkit-touch-callout: none) {
    .background-container {
        background-attachment: scroll;
    }
}

@media (max-width: 1024px) {
    .header {
        margin-top: 72px;
        margin-bottom: 28px;
        padding: clamp(24px, 5vw, 44px) clamp(16px, 4vw, 30px);
    }

    .main-content {
        max-width: min(92vw, 900px);
        padding: clamp(20px, 4vw, 36px);
        margin: 24px auto;
        gap: 28px;
    }

    .footer {
        padding: 32px clamp(14px, 4vw, 28px);
        gap: 28px;
    }

    .footer-left-content {
        gap: 24px;
    }

    .footer-flag {
        width: 96px;
        height: 96px;
    }

    .login-page-container {
        padding: 20px 16px;
    }

    .login-page-card {
        width: min(100%, 460px);
    }
}

@media (max-width: 768px) {
    .container {
        padding-top: calc(env(safe-area-inset-top, 0px) + 14px);
        padding-bottom: 24px;
    }

    .logo-container {
        top: calc(env(safe-area-inset-top, 0px) + 10px);
        left: 10px;
    }

    .hamburger-btn {
        top: calc(env(safe-area-inset-top, 0px) + 10px);
        right: 10px;
    }

    .nav-dropdown {
        right: 10px;
        top: calc(env(safe-area-inset-top, 0px) + 56px);
    }

    .header {
        margin-top: 56px;
        border-radius: 12px;
    }

    .title {
        font-size: clamp(1.55rem, 7.2vw, 2rem);
        letter-spacing: 0.6px;
    }

    .subtitle {
        font-size: clamp(0.84rem, 3.4vw, 0.98rem);
    }

    .main-content {
        width: 100%;
        margin: 0 auto;
        padding: 18px 12px;
        gap: 18px;
    }

    .welcome-section,
    .info-section,
    .mission-section {
        padding: 18px 14px;
        border-radius: 10px;
    }

    .welcome-section h2,
    .info-section h3,
    .mission-section h3 {
        font-size: clamp(1.05rem, 4.9vw, 1.3rem);
        margin-bottom: 14px;
        display: block;
    }

    .info-section ul {
        gap: 10px;
    }

    .info-section li {
        padding: 12px;
    }

    .info-section strong {
        display: block;
        margin-right: 0;
        margin-bottom: 4px;
    }

    .footer {
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        padding: 24px 12px;
        margin-top: 20px;
    }

    .footer-left-content {
        width: 100%;
        gap: 16px;
    }

    .footer-section-title {
        font-size: 14px;
        letter-spacing: 0.8px;
    }

    .footer-items {
        margin-left: 0;
    }

    .footer-item,
    .footer-mission-text,
    .footer-cooperation {
        padding: 12px;
    }

    .footer-cooperation {
        flex-direction: column;
        gap: 6px;
    }

    .footer-cooperation-title {
        white-space: normal;
    }

    .footer-flag-container {
        width: 100%;
        justify-content: flex-end;
        align-self: auto;
        margin-left: 0;
    }

    .footer-flag {
        width: 84px;
        height: 84px;
        margin-left: auto;
        border-width: 2px;
    }

    .login-page-container {
        justify-content: flex-start;
        padding: calc(env(safe-area-inset-top, 0px) + 84px) 12px 20px;
        overflow-y: auto;
    }

    .login-page-container .language-switcher {
        display: flex !important;
        flex-direction: row;
        gap: 8px;
        top: calc(env(safe-area-inset-top, 0px) + 8px);
        right: 10px;
    }

    .login-page-logo {
        top: calc(env(safe-area-inset-top, 0px) + 8px);
        left: 10px;
    }

    .login-page-logo .logo {
        width: 46px;
        height: 46px;
    }

    .login-page-card {
        width: min(100%, 420px);
        padding: 24px 16px;
        border-radius: 14px;
        margin: 0 auto;
    }

    .login-page-title {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .login-form {
        gap: 14px;
    }

    .form-input,
    .submit-btn {
        width: 100%;
        min-height: 44px;
    }

    .floating-login-modal {
        width: min(94vw, 420px);
        padding: 20px 14px 18px;
        border-radius: 14px;
        gap: 14px;
    }

    .modal-title {
        font-size: 13px;
        line-height: 1.35;
    }

    .modal-lang-btn {
        right: 52px;
    }

    .modal-close-btn {
        width: 34px;
        height: 34px;
        font-size: 26px;
    }
}

@media (max-width: 420px) {
    .title {
        word-break: break-word;
    }

    .footer-flag {
        width: 72px;
        height: 72px;
    }

    .login-page-card {
        padding: 20px 14px;
    }

    .modal-japan-flag,
    .modal-army-logo {
        width: 46px;
        height: 46px;
    }

    .modal-form-input {
        font-size: 13px;
        padding: 10px 10px;
    }

    .modal-login-submit-btn {
        padding: 11px 12px;
        font-size: 13px;
    }
}

@media (max-height: 600px) and (orientation: landscape) {
    .main-content {
        max-height: none;
    }

    .login-page-container {
        justify-content: flex-start;
    }
}