/* --- DECO VISION 基本設定 --- */
:root {
    --dv-bg-black: #0d0d0d;
    --dv-card-bg: #161616;
    --dv-gold: #c5a059;
    --dv-gold-light: #e5c889;
    --dv-text-main: #ffffff;
    --dv-text-sub: #a0a0a0;
}

body {
    background: #000;
}

/* --- メインビジュアル（背景動画・左寄せ・グラデ帯） --- */
.dv-hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    background-color: #000;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* 背景動画ラッパー */
.dv-hero-video-wrapper {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.dv-hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: left;
    filter: brightness(1.05) contrast(1.05);
}

/* 左側から右側へ消える黒のグラデーション帯（文字の視認性確保） */
.dv-hero-overlay-left {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0.75) 35%,
            rgba(0, 0, 0, 0.2) 65%,
            rgba(0, 0, 0, 0) 100%);
    z-index: 1;
}

.dv-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
}

/* テキストコンテンツを左寄りに配置 */
.dv-hero-content-left {
    max-width: 620px;
    /* 左側に収まる幅に制限 */
    text-align: left;
    padding-left: 40px;
}

.dv-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.6);
    /* 背景が明るいため可読性を向上 */
    border: 1px solid var(--dv-gold);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.dv-hero-title {
    font-size: clamp(1.8rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.45;
    color: #ffffff;
    margin-bottom: 20px;
    /* テキストの影を落としてさらに見やすく */
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.dv-hero-subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    color: #e0e0e0;
    line-height: 1.8;
    margin-bottom: 36px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.8);
}

/* ボタンを左揃えに配置 */
.dv-btn-group-left {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

/* レスポンシブ（スマホ表示時の調整） */
@media (max-width: 768px) {
    .dv-hero {
        height: 75vh;
        min-height: 500px;
    }

    .dv-hero-content-left {
        max-width: 100%;
    }

    .dv-btn-group-left {
        flex-direction: column;
    }
}

@media (max-width: 500px) {


    .dv-hero-content-left {
        padding-left: 20px;
    }

    .dv-btn-group-left {
        flex-direction: column;
    }
}

/* ボタンデザイン */
.dv-btn-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.dv-btn {
    padding: 16px 36px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.dv-btn-primary {
    background: linear-gradient(135deg, var(--dv-gold-light), var(--dv-gold));
    color: #000;
}

.dv-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(197, 160, 89, 0.2);
}

.dv-btn-secondary {
    background: transparent;
    color: var(--dv-text-main);
    border: 1px solid #444;
}

.dv-btn-secondary:hover {
    border-color: var(--dv-gold);
    color: var(--dv-gold);
}

/* --- 課題提起セクション --- */
.dv-concept {
    padding: 120px 0;
    background-color: #0d0d0d;
    background: url(../img/deco-01.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.dv-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-sub-en {
    color: var(--dv-gold);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 10px;
}

.dv-section-title {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    color: var(--dv-text-main);
    line-height: 1.4;
    padding: 0 10px;
}

.dv-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding: 0 20px;
}

.dv-card {
    background-color: var(--dv-card-bg);
    border-radius: 12px;
    border: 1px solid #222;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

/* サムネイル画像の設定 */
.dv-card-thumb {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.dv-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.3s ease;
}

.dv-card-old {
    opacity: 0.75;
}

.dv-card-old .dv-card-thumb img {
    filter: grayscale(40%) brightness(0.8);
    /* 少しモノクロ・暗くして引き立たせない */
}

/* 本プロダクト（DECO VISION）の強調デザイン */
.dv-card-new {
    border-color: var(--dv-gold);
    background: linear-gradient(180deg, #1f1a10 0%, var(--dv-card-bg) 100%);
    box-shadow: 0 10px 30px rgba(197, 160, 89, 0.15);
    opacity: 1;
}

.dv-card-new .dv-card-thumb img {
    filter: brightness(1.05);
    /* 画像を明るく鮮明に */
}

.dv-card-new:hover .dv-card-thumb img {
    transform: scale(1.05);
    /* ホバー時に少しズーム */
}

/* カードテキスト部分 */
.dv-card-body {
    padding: 30px;
    flex-grow: 1;
}

.dv-card-tag {
    font-size: 0.8rem;
    color: #777;
    margin-bottom: 12px;
}

.dv-tag-gold {
    color: var(--dv-gold);
    font-weight: bold;
}

.dv-card h3 {
    font-size: 1.35rem;
    color: var(--dv-text-main);
    margin-bottom: 12px;
}

.dv-card p {
    color: var(--dv-text-sub);
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

/* レスポンシブ調整 */
@media (max-width: 768px) {
    .dv-btn-group {
        flex-direction: column;
    }

    .dv-btn {
        width: 100%;
        text-align: center;
    }
}

/* --- 特徴セクション（画像付き） --- */
.dv-features {
    padding: 90px 20px;
    padding-bottom: 80px;
    background-color: #080808;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)), url(../img/about04.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.cta-section {

    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)), url(../img/decovision.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.dv-features-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 60px;
}

/* カード共通スタイル（2カラムレイアウト） */
.dv-feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: linear-gradient(135deg, #141414 0%, #0d0d0d 100%);
    border: 1px solid #222;
    border-radius: 12px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

/* 2つ目のカード（偶数）は画像とテキストを左右反転 */
.dv-card-reverse {
    grid-template-columns: 1fr 1fr;
}

.dv-card-reverse .dv-feature-image-wrapper {
    order: 2;
    /* 画像を右へ */
}

.dv-card-reverse .dv-feature-content {
    order: 1;
    /* テキストを左へ */
}

/* カードホバーエフェクト */
.dv-feature-card:hover {
    border-color: var(--dv-gold);
    box-shadow: 0 10px 30px rgba(197, 160, 89, 0.15);
}

/* 画像ラッパーとスタイリング */
.dv-feature-image-wrapper {
    position: relative;
    width: 100%;
    height: 320px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #333;
}

.dv-feature-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

/* ホバー時に画像が少し拡大 */
.dv-feature-card:hover .dv-feature-image {
    transform: scale(1.05);
}

/* コンテンツ部分 */
.dv-feature-content {
    position: relative;
}

.dv-feature-num {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
    color: rgba(197, 160, 89, 0.2);
    font-family: 'Cinzel', serif, sans-serif;
    margin-bottom: 10px;
}

.dv-feature-tag {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--dv-gold);
    font-weight: 700;
    margin-bottom: 8px;
}

.dv-feature-title {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: #ffffff;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
}

.dv-feature-desc {
    font-size: 0.95rem;
    color: #a0a0a0;
    line-height: 1.8;
    margin: 0;
}

/* スマホ・タブレット表示 */
@media (max-width: 992px) {

    .dv-feature-card,
    .dv-card-reverse {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 24px;
    }

    .dv-card-reverse .dv-feature-image-wrapper,
    .dv-card-reverse .dv-feature-content {
        order: initial;
        /* モバイルでは画像を上、テキストを下に戻す */
    }

    .dv-feature-image-wrapper {
        height: 240px;
    }
}

/* --- 演出事例セクション --- */
.dv-cases {
    padding: 80px 20px;
    background-color: #333;
}

.dv-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* PC時は2列配置 */
    gap: 40px;
    margin-top: 60px;
}

.dv-case-card {
    background: #141414;
    border: 1px solid #222;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}

.dv-case-card:hover {
    border-color: var(--dv-gold);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

/* 画像エリア */
.dv-case-image-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.dv-case-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.dv-case-card:hover .dv-case-image {
    transform: scale(1.05);
}

/* カテゴリータグ */
.dv-case-category {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.75);
    border: 1px solid var(--dv-gold);
    color: var(--dv-gold-light);
    font-size: 0.75rem;
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

/* カード本文 */
.dv-case-body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.dv-case-title {
    font-size: 1.25rem;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

/* 映像・造形の内訳詳細 */
.dv-case-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--dv-gold);
}

.dv-case-detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dv-detail-label {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--dv-gold);
}

.dv-detail-text {
    font-size: 0.85rem;
    color: #b0b0b0;
    line-height: 1.6;
    margin: 0;
}

/* レスポンシブ調整（タブレット・スマホ） */
@media (max-width: 992px) {
    .dv-cases-grid {
        grid-template-columns: 1fr;
        /* スマホ・タブレットは1列 */
        max-width: 650px;
        margin: 0 auto;
    }

    .dv-case-image-wrapper {
        height: 350px;
    }
}

@media (max-width: 500px) {

    .dv-hero-video {
        object-position: 40%;
    }

    .dv-case-image-wrapper {
        height: 250px;
    }
}


/* --- 導入ステップセクション --- */
.dv-process {
    padding: 80px 0;
    background-color: #080808;
    position: relative;
}

.dv-process-timeline {
    max-width: 800px;
    margin: 60px auto 0;
    position: relative;
    padding: 0 20px;
}

/* ステップ間を繋ぐ垂直の線 */
.dv-process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 45px;
    /* バッジの中心を通るライン */
    width: 2px;
    background: linear-gradient(180deg, var(--dv-gold) 0%, rgba(197, 160, 89, 0.1) 100%);
    z-index: 1;
}

.dv-process-step {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.dv-process-step:last-child {
    margin-bottom: 0;
}

/* ステップ番号の円形バッジ */
.dv-step-badge {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #141414;
    border: 2px solid var(--dv-gold);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(197, 160, 89, 0.2);
}

.dv-step-num {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--dv-gold-light);
    line-height: 1;
}

.dv-step-label {
    font-size: 0.5rem;
    letter-spacing: 0.1em;
    color: var(--dv-gold);
}

/* ステップの本文枠 */
.dv-step-content {
    background: #141414;
    border: 1px solid #222;
    border-radius: 8px;
    padding: 24px 30px;
    flex-grow: 1;
    transition: border-color 0.3s ease;
}

.dv-process-step:hover .dv-step-content {
    border-color: var(--dv-gold);
}

.dv-step-title {
    font-size: 1.15rem;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 10px;
}

.dv-step-desc {
    font-size: 0.9rem;
    color: #a0a0a0;
    line-height: 1.7;
    margin: 0;
}

/* レスポンシブ調整（スマホ） */
@media (max-width: 600px) {
    .dv-process-timeline {
        padding: 0 10px;
    }

    .dv-process-timeline::before {
        left: 25px;
    }

    .dv-process-step {
        gap: 16px;
    }

    .dv-step-badge {
        width: 42px;
        height: 42px;
    }

    .dv-step-num {
        font-size: 0.85rem;
    }

    .dv-step-content {
        padding: 20px;
    }
}

/* --- CTAセクション --- */
.dv-cta {
    position: relative;
    padding: 120px 0;
    padding-top: 30px;
    background-color: #000000;
    /* 背景にドラマチックな光のグラデーションを配置 */
    background: radial-gradient(circle at center, #1f1a10 0%, #000000 70%);
    border-top: 1px solid #222;
}

.dv-cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.dv-cta-tag {
    color: var(--dv-gold);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    display: block;
    margin-bottom: 16px;
}

.dv-cta-title {
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    color: #ffffff;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.dv-cta-desc {
    font-size: 1rem;
    color: #a0a0a0;
    line-height: 1.8;
    margin-bottom: 50px;
}

/* ボタンエリア */
.dv-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 50px;
}

.dv-btn-cta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 40px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 320px;
}

.dv-btn-sub {
    font-size: 0.75rem;
    margin-bottom: 4px;
}

.dv-btn-main {
    font-size: 1.1rem;
    font-weight: 700;
}

/* メインボタン（ゴールド） */
.dv-btn-cta-main {
    background: linear-gradient(135deg, var(--dv-gold-light) 0%, var(--dv-gold) 100%);
    color: #000000;
    box-shadow: 0 10px 25px rgba(197, 160, 89, 0.25);
}

.dv-btn-cta-main .dv-btn-sub {
    color: #333333;
}

.dv-btn-cta-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(197, 160, 89, 0.4);
}

/* サブボタン（ダーク＋ゴールド枠） */
.dv-btn-cta-sub {
    background: #141414;
    border: 1px solid var(--dv-gold);
    color: #ffffff;
}

.dv-btn-cta-sub .dv-btn-sub {
    color: var(--dv-gold);
}

.dv-btn-cta-sub:hover {
    background: #1f1a10;
    transform: translateY(-3px);
}

/* 電話・補足エリア */
.dv-cta-info {
    border-top: 1px solid #222;
    padding-top: 30px;
}

.dv-info-note {
    font-size: 0.85rem;
    color: #777;
    margin-bottom: 20px;
}



/* レスポンシブ調整（スマホ） */
@media (max-width: 768px) {
    .dv-cta-buttons {
        flex-direction: column;
        gap: 16px;
    }

    .dv-btn-cta {
        width: 100%;
        min-width: auto;
        padding: 16px 20px;
    }

    .dv-tel-num {
        font-size: 1.6rem;
    }
}

/* --- プラン例セクション --- */
.dv-plans {
    padding: 90px 30px;
    background-color: #1a1a1c;
}

.dv-plans-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: auto;
    margin-top: 60px;
    align-items: stretch;
    max-width: 800px;
}

.dv-plan-card {
    background: #141414;
    border: 1px solid #222;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
}

.dv-plan-card:hover {
    border-color: #444;
    transform: translateY(-4px);
}

/* 一番人気（スタンダード）の強調表示 */
.dv-plan-recommended {
    border-color: var(--dv-gold);
    background: linear-gradient(180deg, #1c170e 0%, #141414 100%);
    box-shadow: 0 10px 30px rgba(197, 160, 89, 0.15);
    transform: scale(1.03);
    /* 少し大きく見せる */
}

.dv-plan-recommended:hover {
    border-color: var(--dv-gold-light);
    transform: scale(1.03) translateY(-4px);
}

/* おすすめバッジ */
.dv-recommend-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--dv-gold-light), var(--dv-gold));
    color: #000;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 16px;
    border-radius: 20px;
    letter-spacing: 0.1em;
}

/* ヘッダーエリア */
.dv-plan-header {
    padding: 36px 30px 20px;
    border-bottom: 1px solid #222;
    text-align: center;
}

.dv-plan-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: #888;
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 8px;
}

.dv-tag-gold {
    color: var(--dv-gold);
}

.dv-plan-name {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 700;
    margin-bottom: 6px;
}

.dv-plan-subtitle {
    font-size: 0.85rem;
    color: #aaa;
    margin: 0;
}

/* ボディ（スペックリスト） */
.dv-plan-body {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.dv-plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.dv-plan-features li {
    font-size: 0.9rem;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.dv-check {
    color: var(--dv-gold);
    font-weight: bold;
}

/* フッター・ボタン */
.dv-plan-footer {
    text-align: center;
}

.dv-plan-note {
    font-size: 0.75rem;
    color: #777;
    margin-bottom: 12px;
}

.dv-plan-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
}

/* レスポンシブ対応 */
@media (max-width: 992px) {
    .dv-plans-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .dv-plan-recommended {
        transform: none;
        /* スマホでは拡大率をリセット */
    }

    .dv-plan-recommended:hover {
        transform: translateY(-4px);
    }
}