@charset "UTF-8";

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background-color: #000;
}

/* スライドショウコンテナ */
#slideshow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* スライド画像共通設定 */
.slide-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    filter: blur(5px);
    z-index: 2;
    transition: opacity 4.5s ease-in-out, transform 4.5s ease-in-out, filter 4.5s ease-in-out;
}

.slide-img.active {
    opacity: 1;
    filter: blur(0px);
}

.slide-img.move-left { transform: translate(-15%, 0) scale(1.7); }
.slide-img.move-left.active { transform: translate(0, 0) scale(1.0); }

.slide-img.move-right { transform: translate(15%, 0) scale(1.7); }
.slide-img.move-right.active { transform: translate(0, 0) scale(1.0); }

/* 画面中央大文字 */
.center-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 1.5rem;
    letter-spacing: 0.3em;
    z-index: 10;
    text-shadow: 0 0 20px rgba(0,0,0,0.8);
    pointer-events: none;
}

/* --- ナビゲーションメニューの基本スタイル --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    background: rgba(0, 0, 0, 0.6);
    height: 40px;
}

/* PCではボタンを非表示 */
.menu-btn, .menu-icon {
    display: none;
}

.nav-menu {
    width: 80%;
    font-size: 14px;
}

.nav-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    width: 80%;
}

.nav-menu ul li {
    position: relative;
    flex: 1;
    text-align: center;
}

.nav-menu ul li a {
    display: block;
    padding: 10px 0px 0px 0px;
    color: #fff;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.nav-menu ul li a:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 2階層目の基本配置 */
.nav-menu ul li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    flex-direction: column;
    width: 220px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.3);
}

.nav-menu ul li ul li a {
    padding: 12px 15px;
    background: rgba(20, 20, 20, 0.95);
    border-bottom: 1px solid #333;
    font-size: 14px;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

/* 通常：右側に階段表示 */
.nav-menu ul li ul li ul {
    top: 0 !important;
    left: 100% !important;
    right: auto !important;
}

/* 【確定版】画面右端に近いメニューにこのクラスを付与すると左側に開く */
.nav-menu ul li.inverse ul li ul,
.nav-menu ul li ul li.inverse ul {
    top: 0 !important;
    left: auto !important;
    right: 100% !important;
    box-shadow: -4px 4px 10px rgba(0, 0, 0, 0.3) !important;
}

/* PC：ホバー表示トリガー */
.nav-menu ul li:hover > ul,
.nav-menu ul li ul li:hover > ul {
    display: flex;
}

/* ==========================================
   サブメニュー（2階層目・3階層目共通設定）
============================================= */
.nav-menu ul li ul {
    display: none;
    position: absolute;
    flex-direction: column;
    width: 220px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.3);
}

/* サブメニュー内のリンク装飾 */
.nav-menu ul li ul li a {
    padding: 4px 10px;
    background: rgba(20, 20, 20, 0.95);
    border-bottom: 1px solid #333;
    font-size: 14px;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

/* ==========================================
   各階層の配置位置（階段表示の肝）
============================================= */
/* 2階層目（酒場横丁の真下ではなく、右下にずらす場合） */
.nav-menu > ul > li > ul {
    top: 100%;  /* 1階層目の真下 */
    left: 0;    /* 1階層目の左端に合わせる */
}

/* 3階層目以降（右側に階段状にずらす） */
.nav-menu ul li ul li ul {
    top: 0;
    left: 100%;
}

/* ==========================================
   ホバー時の表示制御
============================================= */
.nav-menu ul li:hover > ul {
    display: flex;
}

.menu-btn, .menu-icon {
    display: none;
}

/* ① スマートフォン対応 (max-width: 440px) */
@media (max-width: 440px) {
    #slideshow-container, .slide-img { width: 100%; height: 100%; }
    .center-title { font-size: 1.5rem; }
    
    .menu-icon {
        display: block;
        position: absolute;
        top: 20px;
        left: 20px;
        cursor: pointer;
        z-index: 30;
        width: 25px;
        height: 20px;
    }
    .menu-icon .navicon {
        background: #fff;
        display: block;
        height: 2px;
        position: relative;
        width: 100%;
        transition: background .2s ease-out;
    }
    .menu-icon .navicon:before, 
    .menu-icon .navicon:after {
        background: #fff;
        content: '';
        display: block;
        height: 2px;
        position: absolute;
        transition: all .2s ease-out;
        width: 100%;
    }
    .menu-icon .navicon:before { top: 7px; }
    .menu-icon .navicon:after { top: -7px; }
    
    .nav-menu {
        display: none;
        width: 50%;
        height: calc(100vh - 60px);
        position: absolute;
        top: 60px;
        left: 0;
        background: rgba(0, 0, 0, 0.9);
        overflow-y: auto;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    .nav-menu ul { flex-direction: column; }
    .nav-menu ul li { text-align: left; width: 100%; }
    .nav-menu ul li a { padding: 15px 20px; border-bottom: 1px solid #222; }
    .nav-menu ul li ul { display: flex; position: relative; top: 0; width: 100%; }
    .nav-menu ul li ul li a { padding-left: 10px; background: rgba(30, 30, 30, 0.9); }
    
    .menu-btn:checked ~ .nav-menu { display: block; }
    .menu-btn:checked ~ .menu-icon .navicon { background: transparent; }
    .menu-btn:checked ~ .menu-icon .navicon:before { transform: rotate(-45deg); top: 0; }
    .menu-btn:checked ~ .menu-icon .navicon:after { transform: rotate(45deg); top: 0; }
}

/* ② タブレット対応 (min-width: 441px) and (max-width: 834px) */
@media (min-width: 441px) and (max-width: 834px) {
    #slideshow-container, .slide-img { width: 100%; height: 100%; }
    .center-title { font-size: 1.5rem; }
    
    .menu-icon {
        display: block;
        position: absolute;
        top: 20px;
        left: 20px;
        cursor: pointer;
        z-index: 30;
        width: 25px;
        height: 20px;
    }
    .menu-icon .navicon {
        background: #fff;
        display: block;
        height: 2px;
        position: relative;
        width: 100%;
        transition: background .2s ease-out;
    }
    .menu-icon .navicon:before, 
    .menu-icon .navicon:after {
        background: #fff;
        content: '';
        display: block;
        height: 2px;
        position: absolute;
        transition: all .2s ease-out;
        width: 100%;
    }
    .menu-icon .navicon:before { top: 7px; }
    .menu-icon .navicon:after { top: -7px; }
    
    .nav-menu {
        display: none;
        width: 50%;
        height: calc(100vh - 60px);
        position: absolute;
        top: 60px;
        left: 0;
        background: rgba(0, 0, 0, 0.9);
        overflow-y: auto;
        border-right: 1px solid rgba(255, 255, 255, 0.1);
    }
    .nav-menu ul { flex-direction: column; }
    .nav-menu ul li { text-align: left; width: 100%; }
    .nav-menu ul li a { padding: 15px 20px; border-bottom: 1px solid #222; }
    .nav-menu ul li ul { display: flex; position: relative; top: 0; width: 100%; }
    .nav-menu ul li ul li a { padding-left: 10px; background: rgba(30, 30, 30, 0.9); }
    
    .menu-btn:checked ~ .nav-menu { display: block; }
    .menu-btn:checked ~ .menu-icon .navicon { background: transparent; }
    .menu-btn:checked ~ .menu-icon .navicon:before { transform: rotate(-45deg); top: 0; }
    .menu-btn:checked ~ .menu-icon .navicon:after { transform: rotate(45deg); top: 0; }
}

/* ③ PC対応 (min-width: 835px) */
@media (max-width: 834px) {
    header {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding: 0 20px;
        box-sizing: border-box;
    }

    .menu-icon {
        display: block;
        cursor: pointer;
        color: #fff;
        font-size: 28px;
        line-height: 60px;
        z-index: 30;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(15, 15, 15, 0.95);
        overflow-y: auto;
        z-index: 25;
    }

    .menu-btn:checked ~ .nav-menu {
        display: block;
    }

    .nav-menu ul {
        flex-direction: column;
    }

    .nav-menu ul li {
        width: 100%;
        text-align: left;
    }

    .nav-menu ul li a {
        padding: 15px 20px;
        border-bottom: 1px solid #222;
        background: none;
    }

    .nav-menu ul li ul,
    .nav-menu ul li ul li ul,
    .nav-menu ul li.inverse ul li ul {
        display: none;
        position: static;
        width: 100%;
        box-shadow: none;
    }

    .nav-menu ul li:hover > ul,
    .nav-menu ul li ul li:hover > ul {
        display: block;
    }

    .nav-menu ul li ul li a {
        padding-left: 40px;
        background: rgba(255, 255, 255, 0.03);
    }
    
    .nav-menu ul li ul li ul li a {
        padding-left: 60px;
        background: rgba(255, 255, 255, 0.06);
    }
}

#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: #111;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#splash-screen.loaded {
    opacity: 0;
    visibility: hidden;
}

.splash-text {
    font-family: 'Arial', sans-serif;
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 0.8rem;
    position: relative;
    display: inline-block;
}

.splash-text::after {
    content: '';
    position: absolute;
    left: 54%; 
    top: 50%;
    width: 20px;
    height: 20px;
    background-color: #00bcd4;
    border-radius: 50%;
    margin-top: -10px; 
    transform-origin: -25px 10px; 
    animation: rotate-around-c 1.5s infinite linear;
}

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


@keyframes splashFadeIn {
    0% { opacity: 0; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

@media (max-width: 440px) {
    .splash-text { font-size: 1.8rem; letter-spacing: 0.2em; }
}