:root{
     --bg:#0f1724;
     --accent:#ff4d4f;
     --muted:#9aa4b2;
     --card:#0b1220;
     --glass: rgba(255,255,255,0.04);
     font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}
 *{
    box-sizing:border-box
}
 body{
    margin:0;
    background:linear-gradient(180deg,#071021 0%, #0f1724 100%);
    background-image: url("../image/kenju-brack.jpg");
    background-repeat: no-repeat;
    background-size: 50% auto;
    background-position: center center;
    background-attachment: fixed;
    background-color: #071021;
    color:#fff;
    line-height:1.6
}
 .container{
    max-width:1100px;
    margin:0 auto;
    padding:1rem
}
/* header */
 .site-header{
    position:sticky;
    top:0;
    background:transparent;
    padding:0.6rem 0;
    z-index:20
}
 .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between
}
 .logo1{
    color:var(--accent)
}
 .logo2{
    font-size: 2em;
    font-weight:800;
    color:var(--accent)
}
 .nav-toggle{
    display:none;
    background:none;
    border:0;
    color:#cfe6ff;
    font-size:1.25rem
}
 .main-nav a{
    color:#cfe6ff;
    margin-left:1rem;
    text-decoration:none;
    font-weight:600
}
/* hero */
 .hero{
    position:relative;
    padding:6rem 0 4rem;
    overflow:hidden
}
 .hero-overlay{
    position:absolute;
    inset:0;
    background: radial-gradient(600px 300px at 10% 20%, rgba(255,77,79,0.12), transparent 10%), radial-gradient(500px 250px at 90% 80%, rgba(0,150,255,0.06), transparent 10%);
}
 .hero-inner{
    position:relative;
    z-index:2;
    max-width:800px
}
 .header-img{
    text-align: center;
    width:100%;
}
 .hero-title{
    font-size:2.2rem;
    margin:0 0 0.5rem
}
 .hero-sub{
    color:var(--muted);
    margin:0 0 1rem
}
 .hero-cta .btn{
    margin-right:0.6rem
}
 .btn{
    background:var(--accent);
    color:#fff;
    padding:0.6rem 1rem;
    border-radius:8px;
    text-decoration:none;
    display:inline-block
}
 .btn.ghost{
    background:transparent;
    border:1px solid rgba(255,255,255,0.08)
}
 .sound-toggle{
    position:absolute;
    right:1rem;
    bottom:1rem;
    background:var(--glass);
    border:0;
    color:#fff;
    padding:0.5rem;
    border-radius:8px
}
/* sections */
 section{
    margin:1.25rem 0;
    padding:1rem;
    border-radius:12px;
    background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
    backdrop-filter: blur(4px)
}
 .features{
    display:flex;
    gap:0.75rem;
    margin-top:0.75rem
}
 .feature-card{
    background:rgba(255,255,255,0.03);
    padding:0.6rem 0.8rem;
    border-radius:8px
}
/* gacha */
 .gacha-area{
    display:flex;
    align-items:center;
    gap:1rem;
    margin-top:1rem
}
 .gacha-card{
    width:220px;
    height:140px;
    border-radius:12px;
    background:linear-gradient(180deg,#071a2a,#0b2a3a);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    font-size:1.1rem;
    cursor:pointer;
    transform-origin:center;
    transition:transform 0.6s cubic-bezier(.2,.9,.3,1)
}
 .btn.large{
    padding:0.9rem 1.2rem;
    font-size:1rem
}
 .gacha-result{
    margin-top:1rem;
    color:var(--accent);
    font-weight:700
}
/* cards */
 .cards{
    display:flex;
    gap:1rem;
    flex-wrap:wrap
}
 .card{
    background:var(--card);
    padding:1rem;
    border-radius:10px;
    flex:1 1 220px;
    transition:transform .25s, box-shadow .25s
}
 .card:hover{
    transform:translateY(-6px);
    box-shadow:0 10px 30px rgba(0,0,0,0.5)
}
 .avatar{
    width:56px;
    height:56px;
    border-radius:50%;
    background:var(--accent);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    margin-bottom:0.5rem
}
 .top-area {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

 .text-block {
  display: flex;
  flex-direction: column;
}
 .name {
  margin: 0;
  font-size: 1.1rem;
}

 .profile-img {
  width: 120px;
  height: auto;
  border-radius: 5px;
}

 .description {
  margin-top: 15px;
}

 .keiko{
    padding:0.9rem 1.2rem;
    font-size:1.2rem
}
/* SNS Link */
 .social {
     text-align: center;
}
 .social a {
     display: inline-block;
     margin: 10px;
     padding: 12px 20px;
     background: #222;
     border-radius: 5px;
     color: #fff;
     text-decoration: none;
     transition: 0.3s;
}
 .social a:hover {
     background: #444;
}
/* CONTACT */
 .contact label{
    display:block;
    margin-bottom:0.5rem
}
 .contact input,.contact textarea{
    width:100%;
    padding:0.5rem;
    border:1px solid #ddd;
    border-radius:6px
}
/* table */
 table{
    width:100%;
    border-collapse:collapse
}
 th,td{
    padding:0.6rem;
    border-bottom:1px solid rgba(255,255,255,0.04);
    text-align:left;
    color:#dbeafe
}
/* footer */
 .site-footer{
    text-align:center;
    color:var(--muted);
    padding:1rem 0
}
/* reveal animation */
 .reveal{
    opacity:0;
    transform:translateY(18px);
    transition:opacity .6s ease, transform .6s ease
}
 .reveal.visible{
    opacity:1;
    transform:none
}
/* responsive */
 @media (max-width:800px){
     .main-nav{
        position:fixed;
        right:0;
        top:123px;
        padding:1rem;
        border-left:1px solid #eee;
        display:none;
        flex-direction:column;
        min-width:200px;
        height:calc(100% - 56px);
        overflow:auto
//        display:none
    }
     .main-nav a{
        margin:0 0 0.5rem 0
    }
     .nav-toggle{
        display:block
    }
     .gacha-area{
        flex-direction:column
    }
     .hero-title{
        font-size:1.6rem
    }
}

/* move */
/* .video-list{
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
 .video-item{
    width: 300px;
}*/
#youtube-videos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.youtube-item img {
  width: 100%;
  border-radius: 8px;
}

.youtube-item p {
  font-size: 14px;
  margin-top: 6px;
}