/* =========================================
   フッター
   ========================================= */
.footer-custom {
    background-color: #0b0c10;
    position: relative;
    color: #8f8f9a;
    margin-top: 80px;
    border-top: 1px solid #1f1f23;
}

/* 上部のネオンライン */
.footer-custom::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #2beaff, transparent);
    box-shadow: 0 0 10px rgba(43, 234, 255, 0.4);
}

/* サイト名とキャッチコピー */
.footer-title {
    color: #ffffff;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 15px rgba(43, 234, 255, 0.3);
}

.footer-title img {
    max-width: 100%;
    height: auto;
    max-height: 7rem;
}
.footer-catchphrase {
    color: #2beaff;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.08em;
}

.footer-description {
    font-size: 0.85rem;
    line-height: 1.6;
}

/* 公式SNS リンク */
.footer-sns-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: #1a1c23;
    border: 1px solid #303342;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.footer-sns-link img {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
}

.footer-sns-link:hover {
    color: #ffffff;
    border-color: #2beaff;
    background: #101a21;
    box-shadow: 0 0 10px rgba(43, 234, 255, 0.2);
}

.footer-sns-link:hover img {
    transform: scale(1.15);
}

/* サイトマップの見出し */
.footer-heading {
    color: #efeff1;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    position: relative;
    padding-left: 12px;
}

.footer-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15%;
    height: 70%;
    width: 3px;
    background-color: #2beaff;
    border-radius: 2px;
    box-shadow: 0 0 6px rgba(43, 234, 255, 0.6);
}

/* サイトマップのリンク集 */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a,
.footer-link-button {
    color: #8f8f9a;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;
    display: inline-block;
}

.footer-link-button {
    cursor: pointer;
}

.footer-links a:hover,
.footer-link-button:hover,
.footer-links a:focus-visible,
.footer-link-button:focus-visible {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(43, 234, 255, 0.6);
    transform: translateX(4px);
}

/* コピーライトエリア */
.footer-bottom {
    border-top: 1px solid #1f1f23;
    padding-top: 1.5rem;
    font-size: 0.8rem;
    color: #676b79;
}