/**
 * Slick Carousel CSS
 * Based on: https://codepen.io/ariona - Simple Synchronised Carousel
 */

/* ============================================
 * カルーセルコンテナ
 * ============================================ */
/* Shared Loading Spinner */
.hp_loading_spinner {
    position: relative;
    min-height: 100px;
}

.hp_loading_spinner::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: #333;
    border-radius: 50%;
    animation: slider-spin 1s linear infinite;
    opacity: 1;
    transition: opacity 0.5s ease;
    z-index: 5;
    pointer-events: none;
}

.hp_loading_spinner.is-loaded::after {
    opacity: 0;
}

@keyframes slider-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
 * 全体背景の設定 (.el_parent)
 * ============================================ */
.el_parent {
    background-image: url('../img/card_background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    /* パララックス風の効果 */
    position: relative;
    width: 100%;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    isolation: isolate;
}

/* iOS用背景消失対策 */
@supports (-webkit-touch-callout: none) {
    .el_parent {
        background-attachment: scroll !important;
    }
}

.project-carousel {
    position: relative;
    width: 100%;
    min-height: 700px;
    overflow: hidden;
    /* Loading background - 透明にして背後の画像を見せる */
    background-color: transparent;
    /* Touch optimization: allow vertical scroll, capture horizontal swipe */
    touch-action: pan-y;
}

/* Loading state: hide content */
.project-carousel:not(.is-ready) .project-strip,
.project-carousel:not(.is-ready) .project-screen {
    opacity: 0;
    visibility: hidden;
}

.project-carousel .project-strip,
.project-carousel .project-screen {
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

/* Ready state: show content */
.project-carousel.is-ready .project-strip {
    opacity: 0.3;
    /* Restore original opacity */
    visibility: visible;
}

.project-carousel.is-ready .project-screen {
    opacity: 1;
    visibility: visible;
}

/* Loading Spinner for Carousel (Specific) */
.project-carousel::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: #333;
    border-radius: 50%;
    animation: slider-spin 1s linear infinite;
    opacity: 1;
    transition: opacity 0.5s ease;
    z-index: 5;
    pointer-events: none;
}

.project-carousel.is-ready::after {
    opacity: 0;
    pointer-events: none;
}

/* The @keyframes slider-spin is already defined above, so no need to duplicate it here. */

/* ============================================
 * 背景ストリップ（ぼかしスライダー）
 * ============================================ */
.project-strip {
    margin: 80px 0;
    filter: blur(1px);
    opacity: 0.1;
    mix-blend-mode: plus-lighter;
    transition: filter 0.5s ease, opacity 0.5s ease;
}

.project-strip .project {
    padding: 0 24px;
    /* 余白を広げて重なりを防止 */
    transition: transform 0.8s cubic-bezier(0.2, 1, 0.3, 1), opacity 0.8s ease;
    transform: scale(0.95);
    /* 基本はほぼ等倍 */
    opacity: 0.8;
}

.project-strip .slick-center .project {
    transform: scale(1.1);
    /* 中央だけ少し強調する程度に留める */
    opacity: 1;
    filter: blur(0);
}

.project-strip img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

/* ============================================
 * メインスクリーン（中央のクリアなスライダー）
 * ============================================ */
.project-screen {
    width: 420px;
    max-width: 85%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 50;
    pointer-events: auto;
}

/* Background gradient for depth */
.project-carousel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.project-detail {
    background-color: transparent;
    overflow: visible;
}

.project-detail .slick-list,
.project-detail .slick-track {
    overflow: visible;
}

.project-detail .project {
    position: relative;
}

.project-detail img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 20px 20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: transform 0.5s ease;
}

.project-detail .project:hover img {
    transform: scale(1.02);
}

.project-title {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    color: #fff;
    font-size: 1.6rem;
    font-weight: bold;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.project-link {
    display: block;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

/* ============================================
 * メインアイテム（中央スライド）の拡大アニメーション
 * .slick-slide自体ではなく、中身の .project-item を拡大させることで
 * 無限ループの継ぎ目でのジャンプを防止する
 * ============================================ */
.project-detail .project-item {
    transform: scale(0.7);
    transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1), opacity 0.6s ease, filter 0.6s ease;
    opacity: 1;
    transform-origin: center center;
    position: relative;
    width: 100%;
    backface-visibility: hidden;
    transform-style: preserve-3d;
}

/* JSで付与する .is-current クラスで拡大（クローンも同時に制御） */
.project-detail .project-item.is-current {
    transform: scale(0.9);
    opacity: 1;
}

/* 中央以外のアイテムはリンクを無効化（JS側で制御するためCSSでのシャットアウトは解除） */
/*.project-detail .project-item:not(.is-current) a {
    pointer-events: none;
    cursor: pointer;
}*/

/* スライド全体をカーソルポインターにして移動を促す */
.project-detail .project {
    cursor: pointer;
}

/* Slickデフォルトの枠設定をリセット */
.slick-slide {
    outline: none;
}

.slick-list {
    overflow: visible;
}

/* インジケーター（ドット）のカスタマイズ */
.project-carousel .slick-dots {
    position: absolute;
    bottom: 20px;
    display: flex !important;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 0;
    margin: 0;
    list-style: none;
    z-index: 100;
    pointer-events: none;
    /* 背景グラデーション削除 */
    background: none;
}

.project-carousel .slick-dots li {
    pointer-events: auto;
    position: relative;
    display: inline-block;
    width: 30px;
    height: 8px;
    margin: 0 6px;
    padding: 0;
    cursor: pointer;
    transition: width 0.3s ease;
}

.project-carousel .slick-dots li button {
    font-size: 0;
    line-height: 0;
    display: block;
    width: 30px;
    height: 8px;
    padding: 0;
    cursor: pointer;
    color: transparent;
    border: none;
    outline: none;
    background: #7f7f7f;
    /* 非アクティブ時はグレー */
    border-radius: 4px;
    transition: all 0.3s ease;
}

.project-carousel .slick-dots li button:before {
    display: none;
    /* Slickデフォルトの数字やアイコンを消す */
}

/* アクティブなインジケーター（横幅2倍） */
.project-carousel .slick-dots li.slick-active {
    width: 60px;
}

.project-carousel .slick-dots li.slick-active button {
    width: 60px;
    background: #000;
    /* アクティブ時は黒 */
    box-shadow: none;
    opacity: 1;
}

/* ============================================
 * タブレット (1024px以下)
 * ============================================ */
@media only screen and (max-width: 1024px) {
    .project-carousel {
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        min-height: 600px;
    }

    .project-strip {
        margin: 80px 0;
    }

    .project-screen {
        width: 45vw;
    }

    .project-title {
        font-size: 1.4rem;
    }
}

/* ============================================
 * スマートフォン (768px以下)
 * ============================================ */
@media only screen and (max-width: 768px) {
    .project-carousel {
        width: 100vw;
        margin-left: calc(-50vw + 50%);
        padding: 10px 0;
        min-height: 500px;
    }

    .project-strip {
        margin: 60px 0;
        filter: blur(4px);
    }

    .project-screen {
        width: 60vw;
    }

    .project-title {
        font-size: 1.2rem;
        bottom: 12px;
        left: 12px;
    }
}

/* ============================================
 * 小型スマートフォン (480px以下)
 * ============================================ */
@media only screen and (max-width: 480px) {
    .project-strip {
        margin: 60px 0;
    }

    .project-screen {
        width: 70vw;
    }

    .project-title {
        font-size: 1rem;
    }
}

/* ============================================
 * ナビゲーション矢印 (カスタム)
 * ============================================ */
.slick-prev,
.slick-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 80px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 15px;
    /* 縦長角丸 */
    z-index: 110;
    /* Above everything else in the carousel */
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    /* アイコン中央寄せ */
    justify-content: center;
    align-items: center;
    padding: 0;
    pointer-events: auto;
}

.slick-prev:before,
.slick-next:before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
}

.slick-prev {
    left: -50px;
    /* カードの左外側 */
}

.slick-prev:before {
    transform: rotate(-135deg);
    /* 左矢印 */
    margin-left: 4px;
}

.slick-next {
    right: -50px;
    /* カードの右外側 */
}

.slick-next:before {
    transform: rotate(45deg);
    /* 右矢印 */
    margin-right: 4px;
}

.slick-prev:focus,
.slick-next:focus,
.slick-prev:active,
.slick-next:active {
    background: rgba(0, 0, 0, 0.5);
    /* フォーカス・アクティブ時も背景維持 */
    outline: none;
}

.slick-prev:hover,
.slick-next:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* モバイル対応: 矢印非表示 */
@media only screen and (max-width: 768px) {

    .slick-prev,
    .slick-next {
        display: none !important;
    }
}

/* ============================================
 * X Share Button
 * ============================================ */
/* ============================================
 * X Share Button
 * ============================================ */
.project-share-btn {
    position: absolute;
    bottom: 40px;
    right: 10px;
    height: 48px;
    padding: 0 24px;
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    z-index: 20;
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;

    /* 初期状態は非表示 */
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}

/* 中央に来た時（is-current）だけ表示 */
.is-current .project-share-btn {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.project-share-btn:hover {
    background-color: #000;
    transform: translateY(-2px);
}

.project-share-btn:hover {
    background-color: #000;
}

.project-share-icon {
    display: flex;
    align-items: center;
}

.project-share-btn svg {
    width: 18px;
    /* Non-standard size for icon next to text */
    height: 18px;
    fill: #fff;
    display: block;
}

.project-share-txt {
    font-size: 1.4rem;
    font-weight: bold;
    line-height: 1;
}

/* Ensure project container is relative for absolute positioning */
.project-detail .project {
    position: relative;
}

/* Mobile Adjustments */
@media only screen and (max-width: 768px) {
    .project-share-btn {
        height: 36px;
        padding: 0 16px;
        bottom: 24px;
        right: -12px;
        gap: 6px;
    }

    .project-share-btn svg {
        width: 14px;
        height: 14px;
    }

    .project-share-txt {
        font-size: 1.0rem;
    }
}