Popup / 16 ホログラム

デザイン見本

SF映画に出てくるようなホログラム投射を再現したデザインです。走査線のアニメーション（scan）、テキストの明滅（flicker）、半透明のシアンカラーが、未来的な雰囲気を醸し出します。

実装コード

HTML

<div id="popup-container-16">
                        <button id="popup-btn-16">Holographic</button>
                    </div>
                    <div id="popup-16" class="popup-16">
                        <div class="popup-content-16">
                            <p>Holographic Popup</p>
                            <p>ホログラム風の未来感あふれるポップアップウィンドウです。</p>
                        </div>
                    </div>

CSS

#popup-btn-16 {
    cursor: pointer;
    border: none;
    padding: 12px 24px;
    border-radius: 16px;
    font-weight: 600;
    display: block;
    margin: 0 auto;
    width: 180px;
    color: #fff; background-color: #4caf50;
}
#popup-btn-16:hover {
    opacity: 0.5;
}
.popup-16 {
    position: fixed;
    bottom: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    max-width: 90%;
    max-height: 90%;
}
.popup-16.active {
    opacity: 1;
    visibility: visible;
    bottom: 20px;
    transform: translateX(-50%);
    animation: popupShowHide16 3.4s ease forwards;
}
@keyframes popupShowHide16 {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(100%) scale(0.8) rotateY(-15deg);
    }
    20% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1.1) rotateY(0deg);
    }
    30% {
        transform: translateX(-50%) translateY(0) scale(1) rotateY(0deg);
    }
    80% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1) rotateY(0deg);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(100%) scale(0.8) rotateY(15deg);
    }
}
.popup-content-16 {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1) 0%, rgba(255, 0, 255, 0.1) 50%, rgba(0, 255, 255, 0.1) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    min-width: 320px;
    border: 2px solid rgba(0, 255, 255, 0.5);
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.3),
        0 0 60px rgba(255, 0, 255, 0.2),
        inset 0 0 20px rgba(0, 255, 255, 0.1);
    animation: holographicGlow 3s ease-in-out infinite alternate;
    overflow: hidden;
}
@keyframes holographicGlow {
    from {
        box-shadow: 
            0 0 30px rgba(0, 255, 255, 0.3),
            0 0 60px rgba(255, 0, 255, 0.2),
            inset 0 0 20px rgba(0, 255, 255, 0.1);
        border-color: rgba(0, 255, 255, 0.5);
    }
    to {
        box-shadow: 
            0 0 40px rgba(0, 255, 255, 0.5),
            0 0 80px rgba(255, 0, 255, 0.3),
            inset 0 0 30px rgba(0, 255, 255, 0.2);
        border-color: rgba(255, 0, 255, 0.5);
    }
}
.popup-content-16::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(45deg, transparent, transparent 5px, rgba(0, 255, 255, 0.1) 5px, rgba(0, 255, 255, 0.1) 10px),
        repeating-linear-gradient(-45deg, transparent, transparent 5px, rgba(255, 0, 255, 0.1) 5px, rgba(255, 0, 255, 0.1) 10px);
    border-radius: 20px;
    pointer-events: none;
    animation: holographicScan 4s linear infinite;
}
@keyframes holographicScan {
    0% {
        opacity: 0.3;
        transform: translateY(-100%);
    }
    50% {
        opacity: 0.6;
        transform: translateY(0%);
    }
    100% {
        opacity: 0.3;
        transform: translateY(100%);
    }
}
.popup-content-16::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: conic-gradient(from 0deg, transparent, rgba(0, 255, 255, 0.3), transparent, rgba(255, 0, 255, 0.3), transparent);
    border-radius: 22px;
    z-index: -1;
    animation: holographicRotate 6s linear infinite;
}
@keyframes holographicRotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.popup-content-16 p:first-child {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 15px;
    color: rgba(0, 255, 255, 0.9);
    text-shadow: 
        0 0 10px rgba(0, 255, 255, 0.8),
        0 0 20px rgba(0, 255, 255, 0.6);
    animation: holographicText 2s ease-in-out infinite alternate;
    font-family: 'Arial', sans-serif;
    letter-spacing: 2px;
}
@keyframes holographicText {
    from {
        color: rgba(0, 255, 255, 0.9);
        text-shadow: 
            0 0 10px rgba(0, 255, 255, 0.8),
            0 0 20px rgba(0, 255, 255, 0.6);
    }
    to {
        color: rgba(255, 0, 255, 0.9);
        text-shadow: 
            0 0 10px rgba(255, 0, 255, 0.8),
            0 0 20px rgba(255, 0, 255, 0.6);
    }
}
.popup-content-16 p:last-of-type {
    font-size: 16px;
    margin-bottom: 0;
    line-height: 1.6;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

var btn = document.getElementById('popup-btn-16');
var popup = document.getElementById('popup-16');

if (btn && popup) {
  btn.addEventListener('click', function () {
    popup.classList.add('active');
  });

  popup.addEventListener('animationend', function () {
    popup.classList.remove('active');
  });
}