/* ===============================================
   Basic & General Styles
   =============================================== */
@import url('https://fonts.googleapis.com/css2?family=Hannari+Mincho&family=Noto+Sans+JP:wght@300;400;700&display=swap');

html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    background-color: transparent;
    color: rgba(240, 240, 240, 0.9);
    overflow-x: hidden;
}

.page-frame {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(255, 255, 255, 0.9);
    box-sizing: border-box;
    pointer-events: none;
    z-index: 9999;
    border-radius: 0 0 12px 12px;
}

.hero-video-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}
/* ★★★ この3行を追加！ ★★★ */
.subpage .hero-video-wrapper {
    display: none;
}
.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-video-wrapper::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/noise.png'); /* CSSファイルからの相対パス */
    opacity: 0.07;
}
.hero-video-wrapper::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
}
 .br-sp {
        display: none;
    }
.concept-line .en,
.concept-line .ja {
        display: block; /* preタグの代わり */
    }

.page-content {
    position: relative;
    z-index: 2;
    background-color: transparent;
}

.divider {
    width: 80%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.15);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}
.section-header h2 {
    font-family: 'Hannari Mincho', serif;
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
}
.section-header p {
    font-size: 0.9rem;
    font-weight: 300;
    color: rgba(240, 240, 240, 0.7);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* ===============================================
   Header & Navigation
   =============================================== */
header {
    position: fixed; /* ★ 君の言う通り fixed に変更！ */
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    z-index: 100;
    box-sizing: border-box;
    
    /* ★★★ アニメーションの準備 ★★★ */
    background-color: transparent; /* 初期状態は完全に透明 */
    transition: background-color 0.3s ease-in-out;
}

/* ★★★ JSでこのクラスが付いたら、背景色が変わる！ ★★★ */
header.is-scrolled {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px); /* 背景を少しぼかすと、よりリッチに見える（お好みで） */
    -webkit-backdrop-filter: blur(5px);
}

/* ★ ヘッダーの下の区切り線（新設） */
header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 100px); /* 左右のpadding分(50px * 2)を引く */
    height: 1px;
    background-color: rgba(255, 255, 255, 0.2);
    
    /* ★★★ アニメーションの準備 ★★★ */
    transition: opacity 0.3s ease-in-out;
}

/* ★★★ スクロールしたら、線を透明にする ★★★ */
header.is-scrolled::after {
    opacity: 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative; /* ★ 画像を重ねるための基準点 */
    /* ★ ロゴ全体の高さを指定してレイアウトを安定させる */
    height: 50px; 
}
.logo img {
    height: 100%; /* 親要素の高さに合わせる */
    width: auto;
    transition: opacity 0.3s ease; /* 切り替えを滑らかに */
}
/* ★ 黒いロゴを疑似要素(::after)で用意 */
.logo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/dici_logo_black.png');
    background-size: contain;
    background-repeat: no-repeat;
    
    /* 普段は透明で見えない */
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* ★ is-on-light-bg が付いた時のロゴの切り替え処理 */
.is-on-light-bg .logo img {
    opacity: 0; /* 元の白いロゴを透明にする */
}
.is-on-light-bg .logo::after {
    opacity: 1; /* 黒いロゴを表示する */
}
header nav {
    margin-top: 20px;
}
nav a {
    margin-left: 45px;
    font-size: 0.9rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: #fff;
    text-shadow: 1px 1px 1px #111 ;
    mix-blend-mode: difference;
    text-decoration: none;
    position: relative;
    z-index: 1;
}
nav a:hover {
    opacity: 0.7;
}
nav a span {
    display: inline-block;
    padding: 8px 0;
}
nav a::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateY(-15px) translateX(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: -1;
}
nav a:hover::before {
    transform: translateY(5px) translateX(-50%) scale(5.5);
    opacity: 0.9;
}
/* --- ヘッダーのナビゲーション --- */
header nav a[href*="#works"]::before { background-color: #D32F2F; }
header nav a[href*="#flow"]::before { background-color: #388E3C; }
header nav a[href*="#price"]::before { background-color: #1976D2; }
header nav a[href*="#contact"]::before { background-color: #616161; }


/* --- フッターのナビゲーション --- */
.footer-nav a[href*="#works"]::before { background-color: #D32F2F; }
.footer-nav a[href*="#flow"]::before { background-color: #388E3C; }
.footer-nav a[href*="#price"]::before { background-color: #1976D2; }
.footer-nav a[href*="#contact"]::before { background-color: #616161; }
.footer-nav a[href*="privacy-policy.html"]::before { background-color: #FBC02D; } /* 黄色 */
.footer-nav a[href*="tokushoho.html"]::before { background-color: #00BCD4; } /* 水色 */


/* ===============================================
   Responsive Header (for Mobile)
   =============================================== */

/* ハンバーガーボタンのスタイル */
.hamburger-btn {
    display: none; /* ★ PCでは非表示 */
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 10px; /* 線の高さに合わせて調整 */
    position: relative;
    z-index: 10000; /* メニューより手前に */
}
.hamburger-btn .line {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #fff;
    transition: transform 0.3s ease, top 0.3s ease;
}
.hamburger-btn .line-1 { top: 0; }
.hamburger-btn .line-2 { top: 12px; }

/* ★ is-open クラスが付いた時の「×」への変形 */
.is-menu-open .hamburger-btn .line-1 {
    top: 7px;
    transform: rotate(45deg);
}
.is-menu-open .hamburger-btn .line-2 {
    top: 7px;
    transform: rotate(-45deg);
}


/* ★ 画面幅が700px以下になった時のスタイル ★ */
@media (max-width: 700px) {

    header {
        /* スマホ表示の時は、ヘッダー自体の余白をなくす */
        padding: 0px ;
    }
     /* ★★★ このブロックを追加！ ★★★ */
    /* メニューが開いている時だけ、動画の黒い膜を奥に引っ込める */
    body.is-menu-open .hero-video-wrapper::before {
        z-index: 98; 
    }
    

    header nav {
        position: fixed;
        top: -20px;
        right: 0;
        left: auto;
        width: 280px;
        height: 100%;
        z-index: 101;
        will-change: transform;
        background-color: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        
        /* ★★★ ここからが修正箇所 ★★★ */
        
        /* 左右のパディングは維持しつつ、上下のパディングを調整 */
        padding: 100px 50px; /* 上に120px、左右に50pxの余白 */
        box-sizing: border-box;

        display: flex;
        flex-direction: column;
        
        /* 中央揃えをやめて、上揃えにする */
        justify-content: flex-start; 
        
        align-items: flex-start;
        gap: 0;

        transform: translateX(100%);
        visibility: hidden;
        transition: transform 0.3s ease-in-out, visibility 0.3s;
    }
    
    body.is-menu-open header nav {
        transform: translateX(0);
        visibility: visible;
    }
    
    header nav a {
        margin-left: 0;
        font-size: 1.2rem;
        width: 100%; /* 幅を100%に */
        padding: 20px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }
    header nav a:last-child {
        border-bottom: none;
    }

    header nav a::before {
        left: -25px;
        top: 50%;
        transform: translateY(-50%);
        width: 8px;
        height: 8px;
    }
    header nav a:hover::before {
        transform: translateY(-50%);
        opacity: 1;
    }

    .hamburger-btn {
        display: block;
    }
    
    /* (他のスマホ用スタイル) */
}

/* ===============================================
   z-index Stacking Order Fix (for Mobile Menu)
   =============================================== */

/* ページ本体より手前 */
.menu-overlay {
    z-index: 1000 !important; 
}

/* オーバーレイより手前 */
header {
    z-index: 1001 !important;
}

/* ヘッダーの中のメニュー（サイドバー）は、さらに手前 */
@media (max-width: 700px) {
    header nav {
        z-index: 1002 !important;
    }
}

/* ===============================================
   Side Contact Links
   =============================================== */
.side-contact-links {
    position: fixed;
    bottom: 5%;
    right: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    z-index: 1000;
}
.side-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #fff;
    transition: opacity 0.3s ease;
}
.side-link:hover {
    opacity: 0.8;
}
.side-link img {
    width: 36px;
    height: 36px;
    margin-bottom: 8px;
}
.side-link span {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 0.7rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-align: center;
    line-height: 1.4;
    text-shadow: 1px 1px 1px #111 ;
}
.line-link img {
    width: 44px;
    height: 44px;
}


/* --- サイドアイコンの色切り替え --- */

/* is-on-light-bg が付いたら、文字色を黒に */
.side-contact-links.is-on-light-bg .side-link span {
    color: #333;
    /* ★ 文字にも影をつけて、白い背景でも読めるようにする */
    text-shadow: none; 
}

/* ここからがアイコン差し替えの部分 */
.side-link {
    position: relative; /* 画像を重ねるための基準点 */
}

/* 通常の白いアイコンのスタイル */
.side-link img {
    transition: opacity 0.3s ease;
}

/* 黒いアイコンを疑似要素(::after)で用意 */
.side-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    
    /* 普段は透明で見えない */
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 各アイコンのサイズと黒バージョンの画像パスを指定 */
.side-link:not(.line-link) img,
.side-link:not(.line-link)::after {
    width: 36px;
    height: 36px;
}
.side-link:not(.line-link)::after {
    background-image: url('../images/mail_icon_black.png');
}

.line-link img,
.line-link::after {
    width: 44px;
    height: 44px;
}
.line-link::after {
    background-image: url('../images/line_icon_black.png');
}


/* ★ is-on-light-bg が付いた時の切り替え処理 ★ */
.side-contact-links.is-on-light-bg .side-link img {
    opacity: 0; /* 元の白いアイコンを透明にする */
}
.side-contact-links.is-on-light-bg .side-link::after {
    opacity: 1; /* 黒いアイコンを表示する */
}

/* ===============================================
   Hero Section
   =============================================== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.concept-text {
    max-width: 900px;
    z-index: 1;
    font-family: 'Hannari Mincho', serif;
    display: block;
    margin-top: 10%;
}
.concept-text-inner {
    position: relative;
    display: inline-block;
    text-align: center;
    transform: translateY(calc(-40% + 1.25em));
}
.concept-line {
    margin: 1.5em 0;
}
.concept-line .en {
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.5;
    display: block;
    opacity: 0.8;
    margin-bottom: 0.5em;
}
.concept-line .ja.sub-copy {
    font-size: 1.1rem;
    font-weight: 300;
}
.concept-line .ja.main-copy {
    font-size: 2.2rem;
    font-weight: 400;
}
.char {
    display: inline-block;
    opacity: 0;
    transition: opacity 0.5s ease;
    transform: translateY(10px);
}

/* ===============================================
   Works Section
   =============================================== */
.works {
    padding: 80px 200px;
    background-color: rgba(0, 0, 0, 0.4);
    scroll-margin-top: 80px; /* ヘッダーの高さを指定 */
}
.filter-buttons {
    text-align: center;
    margin-bottom: 50px;
}
.filter-btn {
    background: none;
    border: 1px solid #555;
    color: #f0f0f0;
    padding: 10px 20px;
    margin: 5px 5px; /* 上下: 5px, 左右: 5px */
    cursor: pointer;
    transition: all 0.3s ease;
}
.filter-btn.active, .filter-btn:hover {
    background-color: #f0f0f0;
    color: #111;
}
.gallery {
    column-count: 3;
    column-gap: 20px;
}
.gallery-item {
    margin-bottom: 20px;
    break-inside: avoid;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background-color: #222;
}

.gallery-item a {
    display: block;
    position: relative;
    font-size: 0;
}
.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}
.gallery-item a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.gallery-item a:hover::after {
    opacity: 1;
}

/* ===============================================
   Flow Section
   =============================================== */
.flow {
    padding: 80px 50px 200px;
    background-color: rgba(17, 17, 17, 0.95);
    position: relative;
    z-index: 3;
    scroll-margin-top: 80px; /* ヘッダーの高さを指定 */
}
.flow-scroll-wrapper {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient( ellipse at center, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 65% );
    border-radius: 20px;
}
.flow-number-display {
    font-family: 'Hannari Mincho', serif;
    font-size: 8rem;
    font-weight: 700;
    line-height: 1;
    position: absolute;
    top: 50%;
    left: 60px;
    transform: translateY(-50%);
    pointer-events: none;
    transition: opacity 0.4s ease-in-out;
    color: rgba(255, 255, 255, 0.04);
    text-shadow: -1px -1px 2px rgba(255, 255, 255, 0.08), 1px 1px 2px rgba(0, 0, 0, 0.7);
}
.flow-number-display.is-fading {
    opacity: 0;
}
.flow-scroll-area {
    height: 320px;
    width: 100%;
    max-width: 450px;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    position: relative;
    z-index: 5;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.flow-scroll-area::-webkit-scrollbar {
    display: none;
}
.flow-step {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: center;
    transition: transform 0.4s ease, opacity 0.4s ease;
    transform: scale(0.7);
    opacity: 0.3;
    text-align: center;
}
.flow-step.active {
    transform: scale(1);
    opacity: 1;
}
.flow-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 5px 0;
    text-align: center;
    border-bottom: 1px solid #c8c7c789;
    padding: 5px 10px;
}
.flow-content p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(240, 240, 240, 0.8);
    transition: color 0.4s ease;
}
.flow-step:not(.active) .flow-content p {
    color: rgba(240, 240, 240, 0.55);
}
.scroll-padding-top, .scroll-padding-bottom {
    height: 100px;
}
@keyframes scroll-animation {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0; }
    51% { transform: translateY(-10px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}
#scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 45px;
    animation: none;
}
.mouse-icon {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}
.mouse-icon .scroll-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    margin-left: -2px;
    width: 4px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scroll-animation 2s infinite ease-out;
}
.flow-indicator {
    position: absolute;
    top: 50%;
    right: calc(50% - 400px - 50px);
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.indicator-dot {
    font-size: 0.7rem;
    font-weight: 300;
    color: #fff;
    opacity: 0.3;
    transition: all 0.3s ease;
    cursor: pointer;
}
.indicator-dot:not(.active):hover {
    opacity: 0.6;
}
.indicator-dot.active {
    opacity: 1;
    transform: scale(1.2);
}

/* ===============================================
   Price Section
   =============================================== */
.price {
    padding: 80px 50px;
    background-color: rgb(240, 238, 231);
    scroll-margin-top: 80px; /* ヘッダーの高さを指定 */
}
.price-container {
    max-width: 1000px;
    margin: 0 auto 80px auto;
    display: flex;
    gap: 60px;
}
.price-category {
    flex: 1;
}
.price-h2 {
    color: rgba(0, 0, 0, 0.9);
}
#price-h2-p {
    color: rgba(0, 0, 0, 0.9);
}

.price-category h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid rgba(0, 0, 0, 0.3);
    padding-bottom: 15px;
    margin-bottom: 30px;
}
.price-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
    padding: 30px 0 10px;
}
.price-image-wrapper {
    width: 60%;
    aspect-ratio: 4 / 3;
    margin-bottom: 20px;
    overflow: hidden;
    background-color: transparent;
    margin-left: 20%;
}
.price-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.price-details {
    display: flex;
    justify-content: flex-start;
    align-items: baseline;
    position: relative;
    margin-left: 20%;
}
.price-details .service-name {
    font-size: 0.9rem;
    color: rgba(0, 0, 0, 0.9);
    z-index: 2;
    position: relative;
}
.price-details .service-price {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
    margin-left: 20px;
    color: rgba(0, 0, 0, 0.9);
}
.divider2 {
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}
.price-notes {
    max-width: 800px;
    margin: 80px auto 0 auto;
}
.price-notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.price-notes li {
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.6);
    line-height: 2;
    padding-left: 1.5em;
    position: relative;
}
.price-notes li::before {
    content: '※';
    position: absolute;
    left: 0;
    top: 0;
}

/* ===============================================
   FAQ / Accordion Section
   =============================================== */
.faq {
    padding: 0 50px 120px; /* Priceセクションからの続きなので、上のpaddingは無し */
    color: #333;
    scroll-margin-top: 80px; /* ヘッダーの高さを指定 */
}
.faq .section-header h2 { color: #333; }
.faq .section-header p { color: #555; }

.accordion {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid #ddd;
}
.accordion-item {
    border-bottom: 1px solid #ddd;
}
.accordion-header {
    width: 100%;
    background: none;
    border: none;
    padding: 25px 10px;
    font-size: 1rem;
    font-weight: 700;
    color: #333;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    position: relative;
}
.accordion-header span {
    color: #202020; /* Priceセクションのカラー */
    margin-right: 15px;
}
/* プラス・マイナスアイコン */
.accordion-header::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: #888;
    position: absolute;
    right: 10px;
    transition: transform 0.3s ease;
}
.accordion-item.is-open .accordion-header::after {
    transform: rotate(45deg);
}

.accordion-content {
    /* ★★★ アニメーションのキモ ★★★ */
    display: grid;
    grid-template-rows: 0fr; /* 初期状態では高さを0にする */
    transition: grid-template-rows 0.4s ease-in-out;
    overflow: hidden; 
}
.accordion-item.is-open .accordion-content {
    grid-template-rows: 1fr; /* is-openが付いたら、中身の高さいっぱいに広がる */
}
/* ★★★ .accordion-content p のスタイルを、この2つのブロックに分ける ★★★ */
.accordion-content .content-inner {
    /* overflow: hidden; をこちらに移動 */
    overflow: hidden;
}
.accordion-content p {
    font-size: 0.9rem; /* ★ 0.95rem から 0.9rem に変更 (少し小さく) */
    line-height: 2;
    padding: 0 10px 25px 45px;
    margin: 0;
    display: flex;
}
.accordion-content p span {
    color: #D32F2F; /* Worksセクションのカラー */
    margin-right: 15px;
}

/* ===============================================
   Contact Section
   =============================================== */
.contact {
    padding: 20px 50px 80px;
    background-color: #1a1a1a;
    color: #f0f0f0;
    scroll-margin-top: 80px; /* ヘッダーの高さを指定 */
}
.contact .section-header {
    margin-bottom: 60px;
}
.contact-form {
    max-width: 700px;
    margin: 0 auto;
}
.form-group {
    margin-bottom: 25px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: rgba(240, 240, 240, 0.8);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #444;
    background-color: #222;
    color: #f0f0f0;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
}
.checkbox-group {
    display: flex;
    align-items: center;
}
.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
}
.form-submit {
    text-align: center;
    margin-top: 40px;
}
.form-submit button {
    background: none;
    border: 1px solid #f0f0f0;
    color: #f0f0f0;
    padding: 15px 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.form-submit button:hover {
    background-color: #f0f0f0;
    color: #111;
}

/* style.css のフッター関連のスタイルを、これでまるごと置き換える */

/* ===============================================
   Footer (最終版)
   =============================================== */
.footer {
    padding: 80px 50px 40px;
    background-color: #111; /* Contactとは違う背景色 */
    color: rgba(240, 240, 240, 0.7);
    position: relative; /* ★ 内枠の基準点 */
    scroll-margin-top: 80px; /* ヘッダーの高さを指定 */
}

/* ★★★ 内側の縁取りライン ★★★ */
.footer::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    pointer-events: none;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 20px 30px;
    margin-bottom: 50px; /* マージンを30px縮小 */
}

.footer-nav a {
    color: rgba(240, 240, 240, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: 'Montserrat', sans-serif;
    transition: color 0.3s ease;
    position: relative;
    padding-left: 20px;
}

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

/* ★★★ フッター用の静的なカラーポイント ★★★ */
.footer-nav a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
}
footer nav a:hover::before {
    transform: translateY(0px) translateX(0%) scale(1);

}



.footer-bottom {
    text-align: center;
}
/* (以降の .footer-bottom と @media のスタイルは変更なし) */

.footer-bottom {
    text-align: center;
}

.footer-bottom .footer-logo img {
    height: 35px;
    width: auto;
    margin-bottom: 20px;
    opacity: 0.8;
}

.footer-bottom .copyright {
    font-size: 0.75rem;
    color: rgba(240, 240, 240, 0.4);
    margin: 0;
}

/* --- スマホ用のレスポンシブ対応 --- */
@media (max-width: 768px) {
    .footer {
        padding: 50px 20px 30px;
    }
    .footer::before {
        top: 5px; left: 5px; right: 5px; bottom: 5px;
    }

    .footer-nav {
        /* ★ スマホでは2列 x 3行 に変更 */
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, auto);
        gap: 25px; /* 少し間隔を広めに */
        margin-bottom: 60px;
    }
}
/* ★★★ カラーポイントの色設定 ★★★ */
.footer-nav a[href="#works"]::before,
nav a[href="#works"]::before { background-color: #D32F2F; } /* 赤 */

.footer-nav a[href="#flow"]::before,
nav a[href="#flow"]::before { background-color: #388E3C; } /* 緑 */

.footer-nav a[href="#price"]::before,
nav a[href="#price"]::before { background-color: #1976D2; } /* 青 */

.footer-nav a[href="#contact"]::before,
nav a[href="#contact"]::before { background-color: #616161; } /* グレー */

.footer-nav a[href="privacy-policy.html"]::before {
    background-color: #FBC02D; /* ★ 黄色 */
}
.footer-nav a[href="tokushoho.html"]::before {
    background-color: #00BCD4; /* ★ 水色 */
}

.footer-bottom {
    text-align: center;
}



/* ===============================================
   Subpage Layout (ダークモード版)
   =============================================== */
body.subpage {
    /* video背景は使わないので、ここで背景色を指定 */
    background-color: #4d4c4c;
}



.subpage-content {
    max-width: 800px;
    margin: 140px auto;
    padding: 0 20px;
    color: rgba(240, 240, 240, 0.9); /* 白文字に */
}

.subpage-title {
    text-align: center;
    margin-bottom: 60px;
}
.subpage-title h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
}
.subpage-title p {
    font-family: 'Hannari Mincho', serif;
    font-size: 1.2rem;
    color: #aaa;
    margin-top: 5px;
}

.text-container h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 3em;
    border-bottom: 1px solid #444; /* ラインの色を調整 */
    padding-bottom: 0.5em;
    color: #fff;
}

.text-container p, .text-container ol {
    font-size: 0.95rem;
    line-height: 2;
    font-weight: 300;
    color: rgba(240, 240, 240, 0.8);
}
/* (ol と enactment-date のスタイルは流用) */

@media (max-width: 768px) {
    /* ★ ヘッダーは index.html と同じなので、subpage用の特別な指定は不要 */
    .subpage-content {
        margin: 60px auto;
    }
}

/* style.css のサブページ関連のスタイルの下あたりに追加 */

/* --- for Tokushoho Page --- */
#toku-title {
    margin-top: 200px;
}
.tokushoho-table {
    border-top: 1px solid #2e2d2d;
}
.tokushoho-table dt {
    font-weight: 700;
    color: #fff;
    padding: 20px 0 10px;
}
.tokushoho-table dd {
    margin: 0;
    padding-bottom: 20px;
    border-bottom: 1px solid #444;
}

/* ===============================================
   Responsive Design
   =============================================== */
@media (max-width: 1100px) {
    .works {
        padding: 100px 70px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }
    .section-header p {
        font-size: 1rem;
        font-weight:  400;
    }

    /* ★★★ ここからがヒーローセクションのスマホ対応 ★★★ */
    
    .hero {
        /* 上下の余白を調整して、文字が中央に来るように */
        padding: 20px 0;
    }
    
    .concept-text {
        width: 90%; /* 横幅を画面の90%に制限 */
        margin-top: -30%;
    }

    .concept-text-inner {
        transform: none; /* PC用の縦位置調整をリセット */
    }

    .concept-line {
        margin: 1.8em 0; /* 行間の調整 */
    }

    /* ★ preタグの挙動を上書きして、自動で折り返すようにする */
    .concept-line pre {
        white-space: pre-wrap; /* 自動で折り返す */
        word-break: break-word; /* 単語の途中でも折り返す */
        margin: 0;
    }

    /* ★ フォントサイズをスマホ用に調整 */
    
    .concept-line .en {
        display: none;
    }
    .concept-line .ja.sub-copy {
        font-size: 1rem;
    }
    .concept-line .ja.main-copy {
        font-size: 1.5rem; /* ★ 既存の指定をこれで上書き */
    }
     .br-sp {
        display: inline; /* または block */
    }
    .section-header {
        margin-bottom: 20px;
    }
    .section-header h2 {
        margin-bottom: -20px;
    }
    .works {
        padding: 40px 40px;
    }
    .gallery {
        column-count: 1;
    }
    /* ★★★ このブロックを追加！ ★★★ */
    /* 縦長の画像アイテム用のスタイル */
    .gallery-item.is-portrait {
        width: 70%; /* ★ 親の列の幅に対して、65%の幅にする */
        margin-left: auto; /* ★ 右寄せ */
        margin-right: auto; /* ★ 左寄せ */
        /* ↑ auto を組み合わせることで、中央揃えになる */
    }
    .flow {
        padding: 30px 0px;
    }
    .flow .section-header {
        margin-bottom: 120px;
    }
    .flow-scroll-wrapper {
        margin: -80px auto 100px;
    }
    .flow-indicator {
        position: absolute;
        top: 30%;
        right: 10px;
        transform: translateY(0%);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    #scroll-hint {
        position: absolute;
        bottom: -70px;
        left: 50%;
        transform: translateX(-50%);
        animation: none;
    }
    .price {
        padding: 40px 20px;
    }
    .price-container {
        flex-direction: column;
        gap: 50px;
    }
    .price-details {
        display: flex;
        justify-content: center;
        align-items: baseline;
        position: relative;
        margin-left: 0%;
    }
    .price-image-wrapper {
        width: 80%;
        height: auto;
        margin-left: 10%;
    }
    .price-details .service-name {
        font-size: 1.1rem;
    }
    .price-details .service-price {
        font-size: 1.2rem;
    }
    .faq {
        padding: 0 0px 120px; /* Priceセクションからの続きなので、上のpaddingは無し */
        color: #333;
    }
    .accordion-header {
        width: 90%;
        background: none;
        border: none;
        padding: 25px 0px;
        font-size: .8rem;
        font-weight: 700;
        color: #333;
        text-align: left;
        cursor: pointer;
        display: flex;
        align-items: center;
        position: relative;
    }
    .accordion-header span {
        color: #202020; /* Priceセクションのカラー */
        margin-right: 15px;
    }
    .accordion-header::after {
        content: '+';
        font-size: 1.3rem;
        font-weight: 300;
        color: #888;
        position: absolute;
        right: -20px;
        transition: transform 0.3s ease;
    }
    .accordion-content p {
        font-size: 0.8rem; /* ★ 0.95rem から 0.9rem に変更 (少し小さく) */
        line-height: 1.5;
        padding: 0 10px 25px 0px;
        margin: 0;
        display: flex;
    }

     .footer-nav {
        /* ★ スマホでは2列 x 3行 に変更 */
        grid-template-columns: repeat(2, 80px);
        grid-template-rows: repeat(3, auto);
        gap: 25px;
        margin-bottom: 60px;
        
        /* ★★★ この一行を追加！ ★★★ */
        padding-right: 100px; /* 右側に余白を追加して、全体を左に寄せる */
    }
    .subpage-title {
        margin-top: 120px;
    }
    .subpage-title h1 {
        font-size: 1.5rem;
        font-weight: 400;
    }
    #toku-title p {
        font-size: .9rem;
        letter-spacing: .05rem;
    }
    #privacy p {
        font-size: .9rem;
        letter-spacing: .05rem;
    }
    .subpage-content .text-container p,
    .subpage-content .text-container li{
        font-size: .8rem;
    }
    .subpage-content .text-container h2 {
        font-size: 1rem;
        letter-spacing: .06rem;
        font-weight: 400;
    }
    .tokushoho-table dt {
        font-weight: 500;
        color: #fff;
        padding: 20px 0 10px;
    }
    .tokushoho-table dd {
        margin: 0;
        padding-bottom: 20px;
        border-bottom: 1px solid #444;
        font-size: .8rem;
    }
}



/* ===============================================
   work-detail.css
   =============================================== */
#work-detail {
    background-color: #252121;
}
.container {
            max-width: 1200px;
            margin: 0px auto;
            display: flex; 
            gap: 50px; 
            align-items: flex-start; 
            padding: 150px 50px;
            background-color: #252121;
        }

        .image-column { flex: 1.2; } /* 少し画像エリアを広めに */
        .image-column .main-image img {
            width: 100%; height: auto; border-radius: 8px;
            margin-bottom: 15px;
        }
        /* ▼▼▼ サムネイルリストのスタイルを追加 ▼▼▼ */
        .thumbnail-list {
            display: flex; 
            gap: 15px;
            flex-wrap: wrap; /* コンテナの幅を超えたら、折り返すようにする */
        }
        .thumbnail-list img {
            width: 100px; 
            height: 100px; 
            object-fit: cover;
            border-radius: 4px; 
            cursor: pointer;
            opacity: 0.6; 
            transition: opacity 0.3s ease;
            aspect-ratio: 1 / 1; /* ★ これで必ず正方形になる */
        }
        .thumbnail-list img:hover,
        .thumbnail-list img.active {
            opacity: 1;
        }

        .text-column { flex: 1; }
        .text-column h1 {
            font-family: 'Hannari Mincho', serif; font-size: 2.2rem;
            font-weight: 400; margin-bottom: 1.5rem; border-bottom: 1px solid #444; padding-bottom: 1rem;
        }
        .text-column p { font-size: 1rem; line-height: 2; font-weight: 300; color: rgba(240, 240, 240, 0.8); }
        .back-link { display: inline-block; margin-top: 3rem; color: #fff; text-decoration: none; border: 1px solid #555; padding: 10px 25px; transition: all 0.3s ease; }
        .back-link:hover { background-color: #fff; color: #111; }

        .main-image {
            position: relative; /* ★ 画像を重ねるための基準点 */
            margin-bottom: 40px; 
        }
        .main-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            /* ★★★ height: auto; を 100% に変更！ ★★★ */
            height: auto;
            object-fit: cover; /* ★ 画像が引き伸ばされないようにする */
            border-radius: 8px;
            transition: opacity 0.6s ease-in-out;
        }


@media (max-width: 768px) {
          
            .container { 
                flex-direction: column; 
                margin-top: 120px; 
                padding: 0 20px 60px;
            }
            .text-column h1 {
                font-family: 'Hannari Mincho', serif;
                font-size: 2rem;
                font-weight: 400; 
                margin-bottom: 1.5rem; 
                border-bottom: 1px solid #444; 
                padding-bottom: 1rem;
            }
            .image-column { 
                width: 90%;
                margin-left: 5%;
             } 
            .image-column .main-image img {
                width: 100%; 
                height: auto; 
                border-radius: 8px;
                margin-bottom: 15px;
            }
            .text-column p { 
                font-size: 1rem; 
                line-height: 2; 
                font-weight: 300; 
                color: rgba(240, 240, 240, 0.8); 
            }
             .thumbnail-list {
                /* 3つの画像と、その間の隙間(15px * 2)が、
                親要素の幅に収まるように、画像の幅を計算して調整する */
                gap: 10px; /* 少し隙間を狭める */
            }
            .thumbnail-list img {
                /* (100% - 隙間2つ分) / 3つの画像 = 1つの画像の幅 */
                width: calc((100% - 20px) / 3);
            }
    }