/* ==========================================
   ローディングアニメーション
   ========================================== */

/* ページ初期状態 */
body {
    margin: 0;
    padding: 0;
}

/* ローディングオーバーレイ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff5563 0%, #ff6874 50%, #ff0050 100%);
    z-index: 9999;
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    -webkit-flex-direction: column;
    justify-content: center;
    -webkit-justify-content: center;
    align-items: center;
    -webkit-align-items: center;
    opacity: 1;
    visibility: visible;
    -webkit-transition: opacity 0.8s ease-in-out;
    transition: opacity 0.8s ease-in-out;
}

/* ローディングロゴ */
.loading-logo {
    font-size: 28px;
    font-weight: 900;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 30px;
    -webkit-animation: logoFadeIn 1s ease-out forwards;
    animation: logoFadeIn 1s ease-out forwards;
    letter-spacing: 2px;
    text-align: center;
    padding: 0 20px;
}

/* ローディングスピナー */
.loading-spinner {
    position: relative;
    width: 80px;
    height: 80px;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: #ffffff;
    border-radius: 50%;
    -webkit-animation: spin 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
    animation: spin 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.spinner-ring:nth-child(2) {
    border-top-color: rgba(255, 255, 255, 0.6);
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
}

.spinner-ring:nth-child(3) {
    border-top-color: rgba(255, 255, 255, 0.3);
    -webkit-animation-delay: 0.4s;
    animation-delay: 0.4s;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
}

/* ローディングテキスト */
.loading-text {
    margin-top: 30px;
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    -webkit-animation: textPulse 1.5s ease-in-out infinite;
    animation: textPulse 1.5s ease-in-out infinite;
    letter-spacing: 1px;
}

/* アニメーション定義 */
@-webkit-keyframes logoFadeIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.8) translateY(-10px);
        transform: scale(0.8) translateY(-10px);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1) translateY(0);
        transform: scale(1) translateY(0);
    }
}

@keyframes logoFadeIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.8) translateY(-10px);
        transform: scale(0.8) translateY(-10px);
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1) translateY(0);
        transform: scale(1) translateY(0);
    }
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-webkit-keyframes textPulse {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

@keyframes textPulse {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

/* ページコンテンツ */
.page-content {
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity 1s ease-out, visibility 1s ease-out;
    transition: opacity 1s ease-out, visibility 1s ease-out;
}

/* ==========================================
   インタラクティブアニメーション
   ========================================== */

/* リップルエフェクト */
.cta-button {
    position: relative;
    overflow: hidden;
}

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    -webkit-transform: scale(0);
    transform: scale(0);
    -webkit-animation: ripple 0.6s ease-out;
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@-webkit-keyframes ripple {
    to {
        -webkit-transform: scale(4);
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes ripple {
    to {
        -webkit-transform: scale(4);
        transform: scale(4);
        opacity: 0;
    }
}

/* スクロールイン・アニメーション */
.animate-in {
    -webkit-animation: slideInUp 0.8s ease-out forwards;
    animation: slideInUp 0.8s ease-out forwards;
}

@-webkit-keyframes slideInUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(30px);
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    0% {
        opacity: 0;
        -webkit-transform: translateY(30px);
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

/* ホバーエフェクトの強化 */
.achievement-box,
.concern-item,
.point-card,
.present-item {
    -webkit-transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* レスポンシブ対応 */
@media (min-width: 768px) {
    .loading-logo {
        font-size: 42px;
    }
    
    .loading-spinner {
        width: 120px;
        height: 120px;
    }
    
    .loading-text {
        font-size: 20px;
    }
}