/* =========================================
   共通スタイル
========================================= */
body {
    margin: 0;
    font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #000;
    /* ★ 黒背景に */
    color: #f5f5f5;
    /* ★ 文字色はほぼ白 */
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* =========================================
   ヘッダー
========================================= */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    background: rgba(0, 0, 0, 0.9);
    /* ★ ほぼ黒の固定ヘッダー */
    backdrop-filter: blur(8px);
    /* ★ ちょい高級感 */
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 2px solid #ff6600;
    font-weight: 900;

    /* ★ 追加：ヘッダーはOrbitron */
    font-family: "Orbitron", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    letter-spacing: 0.12em;
}

.site-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-left: 30px;
    color: #ff6600;

    /* ★ 追加：ロゴはOrbitron */
    font-family: "Orbitron", system-ui, sans-serif;
    letter-spacing: 0.18em;
}

.site-title a {
    color: #ff6600;
    text-decoration: none;
    font-weight: bold;

    /* ★ 追加：ロゴリンクもOrbitron */
    font-family: "Orbitron", system-ui, sans-serif;
    letter-spacing: 0.18em;
}

.menu-button {
    margin-right: 30px;
    display: none;
}

.nav-desktop {
    display: flex;
    gap: 20px;
    margin-right: 30px;
}

.nav-desktop a {
    color: #ff6600;
    text-decoration: none;
    font-weight: bold;

    /* ★ 追加：ナビはOrbitron */
    font-family: "Orbitron", system-ui, sans-serif;
    letter-spacing: 0.18em;
    font-size: 0.85rem;
}

/* =========================================
   ハンバーガーメニュー
========================================= */
.btn-trigger {
    position: relative;
    width: 50px;
    height: 44px;
    cursor: pointer;
}

.btn-trigger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: #ff6600;
    border-radius: 4px;
}

.btn-trigger,
.btn-trigger span {
    display: inline-block;
    transition: all .5s;
    box-sizing: border-box;
}

.btn-trigger span:nth-of-type(1) {
    top: 0;
}

.btn-trigger span:nth-of-type(2) {
    top: 20px;
}

.btn-trigger span:nth-of-type(3) {
    bottom: 0;
}

#btn06.active span:nth-of-type(1) {
    transform: translateY(20px) rotate(-45deg);
}

#btn06.active span:nth-of-type(2) {
    left: 200%;
    opacity: 0;
    transform: translateY(10px);
    animation: active-btn06-bar02 .8s forwards;
}

@keyframes active-btn06-bar02 {
    100% {
        height: 0;
    }
}

#btn06.active span:nth-of-type(3) {
    transform: translateY(-20px) rotate(45deg);
}

/* =========================================
   モバイルナビ
========================================= */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background-color: #050505;
    /* ★ 真っ黒より少し浅い黒 */
    color: #ff6600;
    z-index: 999;
    transition: right 0.5s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    /* ★ 追加：モバイルナビはOrbitron */
    font-family: "Orbitron", system-ui, sans-serif;
    letter-spacing: 0.18em;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav a {
    font-size: 1.5rem;
    margin: 15px 0;
    text-decoration: none;
    color: #ff6600;

    /* ★ 追加：リンクもOrbitron */
    font-family: "Orbitron", system-ui, sans-serif;
    letter-spacing: 0.18em;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    cursor: pointer;
    color: #ff6600;
}

/* =========================================
   レスポンシブ（ヘッダー）
========================================= */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .menu-button {
        display: block;
        margin-right: 30px;
        margin-top: 0px;
    }
}

@media (min-width: 769px) {
    .mobile-nav {
        display: none;
    }

    .menu-button {
        display: none;
    }
}

/* =========================================
   フッター
========================================= */
.footer {
    background-color: #000;
    color: #f5f5f5;
    padding: 40px 20px 20px;
    font-size: 14px;

    /* ★ 追加：フッター本文はNoto Sans JP */
    font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 20px;
    border-bottom: 1px solid #333;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-logo {
    width: 100px;
    height: 100px;
    margin-left: 23px;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    font-size: 20px;
    color: #f5f5f5;
    transition: 0.3s;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.footer-social a:hover {
    color: #ff6600;
}

.footer-social a:nth-child(1) {
    animation-delay: 0.2s;
}

.footer-social a:nth-child(2) {
    animation-delay: 0.4s;
}

.footer-social a:nth-child(3) {
    animation-delay: 0.6s;
}

.footer-social a:nth-child(4) {
    animation-delay: 0.8s;
}

.footer-social a:nth-child(5) {
    animation-delay: 1.0s;
}

.footer-social a:nth-child(6) {
    animation-delay: 1.2s;
}

.footer-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    max-width: 750px;
    gap: 12px 42px;
}

.footer-nav a {
    color: #aaa;
    text-decoration: none;
    font-weight: 500;
    width: calc(100% / 6 - 24px);
    text-align: left;
    white-space: nowrap;

    /* ★ 追加：フッターのメニューはOrbitronで“公式感” */
    font-family: "Orbitron", system-ui, sans-serif;
    letter-spacing: 0.14em;
    font-size: 0.70rem;
}

.footer-nav a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: #888;
    /* ★ 少し明るくして読みやすく */
    padding: 0 10px;
}

footer p {
    font-size: 0.9em;
    color: #bbb;
    /* ★ ここも明るめ */
    line-height: 1.6;
    word-break: break-word;

    /* ★ 追加：本文はNoto Sans JP */
    font-family: "Noto Sans JP", system-ui, sans-serif;
}

footer p a {
    color: var(--primary-color, #ff6600);
    text-decoration: underline dotted;
    font-weight: bold;
}

footer p a::after {
    content: " 🔗";
    font-size: 0.8em;
}

/* =========================================
   スマホ対応（フッター）
========================================= */
@media (max-width: 768px) {
    .footer-top {
        flex-direction: column;
        align-items: center;
    }

    .footer-right {
        justify-content: center;
        margin-top: 20px;
    }

    .footer-nav {
        justify-content: center;
    }

    .footer-nav a {
        width: 45%;
        text-align: center;
    }

    .footer-bottom p {
        font-size: 12px;
        line-height: 1.5;
        word-break: break-word;
    }
}

/* =========================================
   アニメーション
========================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up,
.fade-in-right {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
    transform: translateX(20px);
}

.fade-in-up.show {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-right.show {
    opacity: 1;
    transform: translateX(0);
}