/* --- Base Settings --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #000;       
    --accent-color: #ffffff;   
    --text-main: #e0e0e0;      
    --text-sub: #888888;       
    --font-en: serif;
    --font-ja: serif;
    --font-s: serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    
    line-height: 1.6;
    overflow: hidden;
    font-family: var(--font-s);
}
img{
    max-width: 100%;
}
ul, ol {
    list-style-type: none;
    margin: 0 0 0 0;
    padding: 0 0 0 0;
}
a,a:visited,a:active,a:focus{
    color: #FFF;
}
/* --- Layout --- */
.main-wrap {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
}

.container {
    max-width: 1700px;
    width: 100%;
}

/* --- Components --- */
.brand-logo {
    font-weight: 700;
    letter-spacing: 0.2em;
    font-size: 0.9rem;
    margin-bottom: 60px;
    color: var(--accent-color);
}

.title {
    font-size: clamp(2rem, 8vw, 8rem);
    line-height: 1.1;
    color: var(--accent-color);
    margin-bottom: 5rem;
}
.title img{
    height: clamp(2rem, 9vw, 128px);
    width: 100%;
    transform: scaleY(0.9);
    animation: neon-blink-img 1.5s ease-in-out infinite alternate;
}
@keyframes neon-blink-img {
    from {
        filter:
            drop-shadow(0 0 2px rgba(255, 255, 255, 0.4)) drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
    }
    to {
        filter:
            drop-shadow(0 0 4px rgba(255, 255, 255, 0.7)) drop-shadow(0 0 12px rgba(255, 255, 255, 0.6)) drop-shadow(0 0 18px rgba(255, 255, 255, 0.4));
    }
}
.title-2 img {
    height: clamp(2rem, 4vw, 95px);
    width: auto;
    transform: scaleY(0.9);
}

.description {
    font-size: 0.95rem;
    color: var(--text-sub);
    margin-bottom: 40px;
}

.info-box {
    margin-bottom: 5rem;
    padding: 20px;
    border-top: 1px solid #333;
    border-bottom: 1px solid #333;
    position: relative;
}


.footer {
    margin-top: 60px;
    font-size: 0.7rem;
}

/* --- Responsive --- */
@media (max-width: 480px) {
    .title {
        font-size: 1.8rem;
    }
}

/* --- Background Particle Animation --- */
.main-wrap {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: transparent;
}
.main-wrap {
    position: relative;
    z-index: 1;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}
.title{
    font-size: clamp(2rem, 8vw, 4rem);
}
.fade-in-up {
    opacity: 0;
    transform: translateY(0px);
    transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.fade-in-up.is-show {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 {
    transition-delay: 0.2s;
}
.delay-2 {
    transition-delay: 0.4s;
}
.delay-3 {
    transition-delay: 0.6s;
}
.delay-4 {
    transition-delay: 0.8s;
}

.aurora-wrapper {
    position: relative;
    width: 100%;
    background-color: #000;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}
.aurora-bg2 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
background: linear-gradient(135deg,
            #332911 0%,
            #635430 30%,
            #ae965d 50%,
            #635430 70%,
            #332911 100%);
    background-size: 300% 300%;
    animation: aurora-move 15s ease-in-out infinite;
    z-index: 1;
}
.text-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #000;
    mix-blend-mode: multiply;
}
.text-overlay img {
    max-width: 95%;
    height: auto;
}
@keyframes aurora-move {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}
@keyframes aurora-infinite {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}
@keyframes gold-flow {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 300% 300%;
    }
}
.ul-sns {
    font-size: 2rem;
    display: flex;
    justify-content: center;
    margin: 0rem auto 2rem;
}
.ul-sns li{
    padding: 0 1rem 0;
}
.ul-sns li i{
    padding: 0.5rem;
}
.zoom-element {
    transition: transform 0.2s ease;
    cursor: pointer;
}
.zoom-element:hover {
    transform: scale(1.2);
}