/* body {
    margin: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2980 0%, #7cfc00 100%);
    background-size: cover;
    background-position: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: relative;
    color: #ffffff;
    background-color: #1a2980;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2980 0%, #7cfc00 100%);
    z-index: -1;
    pointer-events: none;
} */
body {
    margin: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #7cfc00 0%, #1a2980 100%);
    background-size: cover; 
    background-position: center;
    position: relative;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    /* 背景が表示されない場合のフォールバック */
    background-color: #1a2980;
}

/* 背景のフォールバック用の要素を追加 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #7cfc00 0%, #1a2980 100%);
    z-index: -1;
    pointer-events: none;
}

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

/* デスクトップメニュースタイル */
.desktop-menu {
    position: fixed;
    top: 0px;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(26, 41, 128, 0.9);
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.2);
    border-bottom: 2px solid #26d0ce;
}

.desktop-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

.desktop-menu li {
    margin: 0 20px;
}

.desktop-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
    padding: 8px 15px;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.desktop-menu a:hover {
    color: #26d0ce;
}

.desktop-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #26d0ce;
    transition: width 0.3s ease;
}

.desktop-menu a:hover::after {
    width: 100%;
}

/* ハンバーガーメニュースタイル */
.hamburger-menu {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1000;
    display: none; /* デフォルトでは非表示 */
}

/* メニューアイコン */
.menu-icon {
    width: 50px;
    height: 50px;
    background-color: #0518f1;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border: 2px solid #f4f4f4;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: pulse 2s infinite;
}



@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(38, 208, 206, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(38, 208, 206, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(38, 208, 206, 0);
    }
}

.menu-icon:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #26d0ce 0%, transparent 70%);
    opacity: 0.3;
}

.menu-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

/* メニューアイコンの各部分 */
.menu-icon-part {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
}

/* アイコン装飾 */
.icon-decoration {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #9ee8e7;
    box-shadow: 0 0 5px rgba(158, 232, 231, 0.8);
}

.icon-decoration:nth-child(4) {
    top: 8px;
    right: 10px;
    animation: float 3s ease-in-out infinite;
}

.icon-decoration:nth-child(5) {
    bottom: 8px;
    left: 10px;
    animation: float 3s ease-in-out infinite 1.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-5px) scale(1.2);
    }
}

/* アイコンがアクティブ時のアニメーション */
.menu-icon.active .menu-icon-part:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
    background-color: #26d0ce;
}

.menu-icon.active .menu-icon-part:nth-child(2) {
    opacity: 0;
}

.menu-icon.active .menu-icon-part:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
    background-color: #26d0ce;
}

/* ナビゲーションメニュー */
.nav-menu {
    position: absolute;
    top: 65px;
    right: 0;
    width: 200px;
    background-color: rgba(5, 34, 255, 0.73);
    border-radius: 15px;
    padding: 15px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    border: 2px solid #ffff2f;
}

.nav-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    animation: bounceIn 0.5s;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: translateY(-20px) scale(0.8);
    }
    50% {
        transform: translateY(10px) scale(1.05);
    }
    80% {
        transform: translateY(-5px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.nav-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu li {
    margin: 10px 0;
    text-align: center;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
    display: block;
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.2s ease;
    background-color: rgba(229, 244, 66, 0.648);
}

.nav-menu a:hover {
    background-color: #26d0ce;
    color: #1a2980;
    transform: scale(1.05);
}

/* レスポンシブ対応 - モバイル表示 */
@media screen and (max-width: 768px) {
    .desktop-menu {
        display: none; /* モバイルでは非表示 */
    }
    
    .hamburger-menu {
        display: block; /* モバイルでは表示 */
    }

    .profile-content {
        flex-direction: column;
        margin-bottom: 20px;
    }

    .profile-image {
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 400px) {
    .profile-content {
        flex-direction: column;
        padding: 15px;
        margin-top: 80px;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
        margin: 0 auto 20px;
    }
    
    .profile-details {
        width: 100%;
        padding: 15px;
    }
    
    .profile-name {
        font-size: 1.8rem;
    }
    
    .profile-title {
        font-size: 1rem;
    }
    
    .profile-bio {
        font-size: 0.9rem;
    }
    
    .skills-list {
        grid-template-columns: 1fr 1fr;
    }
    
    .skill-item {
        font-size: 0.8rem;
        padding: 8px;
    }
    
    .desktop-menu {
        display: none;
    }
    
    .hamburger-menu {
        display: block;
    }
}

/* プロフィールコンテンツ */
.profile-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 120px;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.profile-image {
    flex: 0 0 40%;
    position: relative;
}

.profile-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border: 3px solid #26d0ce;
    transition: all 0.3s ease;
}

.profile-image:hover img {
    transform: scale(1.03);
    border-color: #ffffff;
}

.profile-image::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 15px;
    left: 15px;
    background-color: rgba(38, 208, 206, 0.3);
    border-radius: 20px;
    z-index: -1;
}

.profile-details {
    flex: 0 0 55%;
    padding: 20px;
}

.profile-name {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    display: inline-block;
}

.profile-name::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #26d0ce, transparent);
    border-radius: 2px;
}

.profile-title {
    font-size: 1.2rem;
    color: #9ee8e7;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.profile-bio {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.profile-info {
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.info-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(38, 208, 206, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    color: #26d0ce;
    font-size: 1.2rem;
}

.info-text {
    font-size: 1rem;
}

.profile-skills {
    margin-top: 30px;
}

.skills-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #9ee8e7;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-item {
    background-color: rgba(38, 208, 206, 0.2);
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: #ffffff;
    border: 1px solid rgba(38, 208, 206, 0.5);
    transition: all 0.3s ease;
}

.skill-item i {
    margin-right: 5px;
    color: #9ee8e7;
}

.skill-item:hover {
    background-color: #26d0ce;
    color: #1a2980;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(38, 208, 206, 0.3);
}

.skill-item:hover i {
    color: #1a2980;
}

/* 浮遊する装飾要素 */
.floating-bubbles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    animation: float-bubble 15s linear infinite;
    box-shadow: 0 0 10px rgba(38, 208, 206, 0.3);
    border: 1px solid rgba(38, 208, 206, 0.3);
}

.bubble:nth-child(odd) {
    background-color: rgba(38, 208, 206, 0.1);
}

.bubble:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.1);
}

.bubble:nth-child(3n) {
    background: radial-gradient(circle at center, rgba(38, 208, 206, 0.2) 0%, rgba(26, 41, 128, 0.2) 100%);
}

@keyframes float-bubble {
    0% {
        transform: translateY(100vh) translateX(0) scale(0);
        opacity: 0;
    }
    20% {
        transform: translateY(80vh) translateX(-20px) scale(0.6);
        opacity: 0.6;
    }
    50% {
        transform: translateY(50vh) translateX(20px) scale(1);
        opacity: 0.8;
    }
    80% {
        transform: translateY(20vh) translateX(-10px) scale(0.8);
        opacity: 0.6;
    }
    100% {
        transform: translateY(-20vh) translateX(0) scale(0.2);
        opacity: 0;
    }
}