/* ========================================
   CSS変数定義
======================================== */
:root {
    /* カラーパレット */
    --color-primary: #D85B3E;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-bg-light: #F8F8F8;
    --color-border: #E0E0E0;
    --color-gradient: linear-gradient(90deg, #D85B3E 0%, #E88B6F 100%);

    /* タイポグラフィ */
    --font-family: 'Noto Serif JP', serif;
    --font-size-base: 16px;
    --font-size-h2: 40px;
    --font-size-h3: 24px;
    --line-height-base: 2;
    --line-height-heading: 1;

    /* 余白 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 60px;
    --spacing-xxl: 80px;

    /* コンテナ幅 */
    --container-width: 1383px;
    --container-padding: 138px;

    /* トランジション */
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========================================
   リセットCSS
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

a:hover {
    opacity: 0.7;
}

ul,
ol {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ========================================
   ヘッダー
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    z-index: 1000;
    transition: transform var(--transition-base);
    padding: 30px 0;
    height: 120px;
}

.header.hidden {
    transform: translateY(-100%);
}

.header__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex; /* ← flex から grid に変更 */
    justify-content: space-between;
    align-items: center; /* ← 要素を上下中央に配置 */
    position: relative;
}

/* ========================================
   ロゴエリア
======================================== */
.header__logo {
    flex-shrink: 0;
}

.header__logo-img {
    width: 120px;
    height: auto;
    display: block;
}



/* ========================================
   メニューエリア（背景付き）
======================================== */
.header__nav {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    padding: 18px 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: none;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__item {
    margin: 0;
}

.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.05em;
    transition: color var(--transition-base);
    position: relative;
    text-decoration: none;
}

.nav__link:hover {
    color: var(--color-primary);
    opacity: 1;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after {
    width: 100%;
}

/* ========================================
   ハンバーガーメニュー
======================================== */
.header__hamburger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    height: 24px;
    z-index: 1001;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.header__hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.header__hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.header__hamburger.active span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ========================================
   モバイルメニュー
======================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 999;
    transition: right var(--transition-slow);
    overflow-y: auto;
    padding-top: 120px;
}

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

.mobile-menu__nav {
    padding: var(--spacing-lg);
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mobile-menu__item a {
    display: block;
    font-size: 20px;
    font-weight: 700;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

/* ========================================
   共通セクション
======================================== */
.section {
    width: 100%;
    padding-top: 80px;
}

.section:first-of-type {
    margin-top: 0;
}

/* ========================================
   ボタン
======================================== */
.button {
    display: inline-block;
    padding: 25.5px 44px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 24px;
    letter-spacing: .1rem;
    font-weight: 700;
    text-align: center;
    border-radius: 50px;
    transition: all var(--transition-base);
}

.button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.button--primary {
    width: 600px;
    max-width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.button--large {
    width: 500px;
    max-width: 100%;
    height: 85px;
    font-size: 20px;
}

/* ========================================
   ヒーローセクション（メインビジュアル）
======================================== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 800px;
    max-height: 1000px;
    overflow: hidden;
}

/* 背景画像 */
.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: bgZoom 20s ease-in-out infinite alternate;
}

@keyframes bgZoom {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.08);
    }
}

/*
.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 0.85) 0%,
            rgba(255, 255, 255, 0.4) 50%,
            rgba(255, 255, 255, 0.1) 100%);
}
*/

/* コンテンツコンテナ */
.hero__container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    height: 100%;
    margin: 0 auto;
    padding: 0 60px;
}

.hero__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 80px;
}

/* 左側エリア（円形画像 + キャッチコピー） */
.hero__left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 50px;
    flex-shrink: 0;
}

/* 円形製品画像 */
.hero__product-image {
    flex-shrink: 0;
}

.hero__circle-img {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 12px solid #FFFFFF;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25);
    object-fit: cover;
    transition: transform var(--transition-slow);
    animation: scaleIn 0.8s ease-out 0.2s both;
}

.hero__circle-img:hover {
    transform: rotate(5deg) scale(1.05);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* キャッチコピー */
.hero__copy {
}

.hero__tag {
    display: inline-block;
    background-color: #FF8C42;
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 30px;
    margin-bottom: 28px;
    box-shadow: 0 4px 15px rgba(255, 140, 66, 0.3);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}
 
.hero__heading {
    margin: 0;
    font-size: 60px;
    font-weight: 700;
    color: #333333;
    line-height: 1.4;
}

.hero__heading-line {
    display: block;
    animation: fadeInLeft 0.8s ease-out both;
}

.hero__heading-line:nth-child(1) {
    animation-delay: 0.6s;
}

.hero__heading-line:nth-child(2) {
    animation-delay: 0.8s;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

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

/* ========================================
   Section 02: CTA
======================================== */
.section-02 {
    padding: 80px 0;
    background: linear-gradient(135deg, #FF8C42 0%, #E67E22 100%);
    position: relative;
}

/* 下部の黒いエリア */
.section-02::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
    z-index: 1;
}


.section-02__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
    position: relative;
    z-index: 2;
}

.section-02__text {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    color: var(--color-white);
}

.section-02__container .button {
    margin: 0 auto;
}

/* ========================================
   Section 03: Sogireとは
======================================== */
.section-03 {
    padding: var(--spacing-xxl) 0;
    background-color: #000000;
}

.section-03__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-03__header {
    margin-bottom: var(--spacing-xxl);
}

.section-03__header img {
    width: 100%;
    max-width: 1107px;
    margin: 0 auto;
}

.section-03__content {
    display: grid;
    grid-template-columns: 653px 1fr;
    gap: 100px;
}

.section-03__title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.4;
    margin-bottom: 40px;
}

.section-03__title-highlight {
    color: #FF8C42;
    font-size: 72px;
    font-weight: 700;
}

.section-03__subtitle {
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.section-03__description {
    font-size: 16px;
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.section-03__images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: var(--spacing-lg);
}

.section-03__images img {
    width: 100%;
    border-radius: 8px;
}

.section-03__feature-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    color: var(--color-white);
}

.section-03__feature-line {
    width: 4px;
    height: 34px;
    background-color: var(--color-primary);
    margin-right: 18px;
}

.section-03__feature-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-white);
}

.section-03__feature-text-highlight {
    color: #FF8C42;
}

.section-03__right img {
    width: 100%;
    border-radius: 16px;
}

/* ========================================
   Section 04: DRFテクノロジー紹介
======================================== */
.section-04 {
    position: relative;
    width: 100%;
    min-height: 600px;
    overflow: hidden;
}

/* 背景画像 */
.section-04__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.section-04__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: left center;
}

.section-04__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.3) 40%,
            rgba(255, 255, 255, 0.85) 70%,
            rgba(255, 255, 255, 0.95) 100%);
}

/* コンテンツコンテナ */
.section-04__container {
    position: relative;
    z-index: 2;
    max-width: var(--container-width);
    min-height: 600px;
    margin: 0 auto;
    padding: 80px var(--container-padding);
    display: flex;
    align-items: center;
}

.section-04__content {
    display: flex;
    justify-content: flex-end;
    width: 100%;
}

/* テキストエリア（右側） */
.section-04__text {
    max-width: 600px;
    text-align: left;
}

.section-04__label {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 20px;
}

.section-04__title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
    margin-bottom: 40px;
}

.section-04__title-highlight {
    color: #FF8C42;
    font-size: 72px;
    font-weight: 700;
}

.section-04__description {
    font-size: 16px;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: 24px;
}

.section-04__description:last-child {
    margin-bottom: 0;
}

.section-04__accent {
    color: #FF8C42;
    font-weight: 600;
}

/* ========================================
   Section 05: DRFテクノロジー
======================================== */
.section-05 {
    padding: var(--spacing-xxl) 0;
}

.section-05__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-05__item {
    display: grid;
    grid-template-columns: 452px 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 160px;
}

.section-05__item:last-child {
    margin-bottom: 0;
}

.section-05__item--reverse {
    grid-template-columns: 1fr 451px;
}

.section-05__label {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.section-05__title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    line-height: var(--line-height-heading);
    margin-bottom: var(--spacing-md);
}

.section-05__subtitle {
    font-size: var(--font-size-h3);
    font-weight: 400;
    line-height: 1.67;
    margin-bottom: var(--spacing-lg);
}

.section-05__description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
}

.section-05__image img {
    width: 100%;
    border-radius: 16px;
}

/* ========================================
   Section 06: RFバキューム
======================================== */
.section-06 {
    position: relative;
    width: 100%;
    min-height: 900px;
    overflow: hidden;
    padding: 100px 0;
}

/* 背景 */
.section-06__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: #000000;
}

.section-06__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.8;
}

.section-06__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center,
            rgba(139, 69, 19, 0.3) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.8) 100%);
}

/* コンテンツコンテナ */
.section-06__container {
    position: relative;
    z-index: 2;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 138px;
}

/* タイトルエリア */
.section-06__header {
    text-align: center;
    margin-bottom: 80px;
}

.section-06__title {
    font-size: 56px;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.4;
    margin-bottom: 16px;
}

.section-06__title-highlight {
    color: #FF8C42;
}

.section-06__subtitle {
    font-size: 20px;
    font-weight: 400;
    color: #FFFFFF;
    letter-spacing: 0.05em;
}

/* メインコンテンツエリア */
.section-06__content {
    display: grid;
    grid-template-columns: 1fr 520px;
    gap: 80px;
    align-items: center;
}

/* 左側テキスト */
.section-06__text {
    color: #FFFFFF;
}

.section-06__heading {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 40px;
    color: #FFFFFF;
}

.section-06__heading-highlight {
    color: #FF8C42;
    font-weight: 700;
    display: block;
}

.section-06__list {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.section-06__list-item {
    font-size: 16px;
    line-height: 2;
    color: #FFFFFF;
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.section-06__list-item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #FF8C42;
    font-size: 20px;
}

.section-06__description {
    font-size: 16px;
    line-height: 2;
    color: #FFFFFF;
}

/* 右側画像 */
.section-06__image {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.section-06__diagram {
    width: 100%;
    height: auto;
}

/* ========================================
   Section 07: 即効性と連鎖スリム化
======================================== */
.section-07 {
    padding: var(--spacing-xxl) 0;
}

.section-07__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-07__header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-07__title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    line-height: 1.48;
    margin-bottom: var(--spacing-md);
}

.section-07__gradient {
    width: 80px;
    height: 5px;
    background: var(--color-gradient);
    margin: 0 auto var(--spacing-lg);
}

.section-07__subtitle {
    font-size: 16px;
    line-height: 1.8;
    color:white;
}

.section-07__image {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-07__image img {
    max-width: 700px;
    width: 100%;
    margin: 0 auto;
    border-radius: 16px;
}

.section-07__benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
}

.section-07__benefit {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: black ;
    border-radius: 16px;
}

.section-07__benefit-title {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    color:white;
}

.section-07__benefit-text {
    font-size: var(--font-size-base);
    line-height: 1.5;
    text-align: left;
    color:white;
}

.section-07__title-highlight {
    color: #FF8C42;
}

/* ========================================
   Section 08: ビフォーアフター
======================================== */
.section-08 {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.section-08__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-08__header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-08__title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    line-height: 1.48;
    margin-bottom: var(--spacing-md);
}

.section-08__gradient {
    width: 80px;
    height: 5px;
    background: var(--color-gradient);
    margin: 0 auto;
}

.section-08__cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.section-08__case {
    background-color: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
}

.section-08__case img {
    width: 100%;
}

.section-08__case-info {
    padding: var(--spacing-lg);
    text-align: center;
}

.section-08__case-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-08__case-desc {
    font-size: var(--font-size-base);
    line-height: 1.5;
}

/* ========================================
   Section 09: トリートメントサイクル
======================================== */
.section-09 {
    padding: 100px 0;
    background: linear-gradient(135deg, #FF8C42 0%, #E67E22 100%);
    position: relative;
}

/* 下部の黒いエリア */
.section-09::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
    z-index: 1;
}

.section-09__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 2;
}

/* ヘッダー */
.section-09__header {
    text-align: center;
    margin-bottom: 60px;
}

.section-09__title {
    font-size: 36px;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.4;
    margin-bottom: 20px;
}

.section-09__underline {
    width: 80px;
    height: 3px;
    background-color: #FFFFFF;
    margin: 0 auto;
}

/* コンテンツカード */
.section-09__card {
    background-color: #FFFFFF;
    border-radius: 20px;
    padding: 60px 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* 項目 */
.section-09__item {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
}

.section-09__item:last-child {
    margin-bottom: 0;
}

/* アイコン */
.section-09__icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    color: #FF8C42;
}

.section-09__icon svg {
    width: 100%;
    height: 100%;
}

/* コンテンツ */
.section-09__content {
    flex: 1;
}

.section-09__item-title {
    font-size: 18px;
    font-weight: 700;
    color: #333333;
    line-height: 1.6;
    margin-bottom: 8px;
}

.section-09__item-text {
    font-size: 15px;
    font-weight: 400;
    color: #666666;
    line-height: 1.8;
    margin: 0;
}

/* ========================================
   Section 10: 症例紹介
======================================== */
.section-10 {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.section-10__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-10__header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-10__title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-10__gradient {
    width: 80px;
    height: 4px;
    background: var(--color-gradient);
    margin: 0 auto;
}

.section-10__block {
    background-color: var(--color-white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.section-10__block-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
}

.section-10__block-line {
    width: 4px;
    height: 34px;
    background-color: var(--color-primary);
    margin-right: 24px;
}

.section-10__images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.section-10__image-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.section-10__image-pair {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.section-10__image-pair img {
    width: 100%;
    border-radius: 8px;
}

.section-10__image-caption {
    font-size: 18px;
    font-weight: 400;
    text-align: center;
}

.section-10__block-label {
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
}

.section-10__block-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
}

.section-10__dual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: var(--spacing-xl);
}

.section-10__block--small {
    margin-bottom: 0;
}

.section-10__image-quad {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: var(--spacing-lg);
}

.section-10__image-quad img {
    width: 100%;
    border-radius: 8px;
}

/* ========================================
   Section 11: サロン導入CTA
======================================== */
.section-11 {
    position: relative;
    width: 100%;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 0px;
}

/* 背景画像 */
.section-11__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: #000000;
}

.section-11__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.9;
}

/* コンテンツコンテナ */
.section-11__container {
    position: relative;
    z-index: 2;
    max-width: var(--container-width);
    width: 100%;
    margin: 0 auto;
    padding: 100px 40px;
    text-align: center;
}

/* タイトル */
.section-11__title {
    font-size: 48px;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.5;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.05em;
}

/* ========================================
   Section 12: 製品情報(黒背景版)
======================================== */
.section-12 {
    position: relative;
    padding: 100px 0 120px;
    background-color: #000000;
}

.section-12__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: 60px;
}

/* 白いカード */
.section-12__card {
    background-color: #FFFFFF;
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

/* ヘッダー */
.section-12__header {
    text-align: center;
    margin-bottom: 40px;
}

.section-12__title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-12__underline {
    width: 60px;
    height: 3px;
    background-color: #FF8C42;
    margin: 0 auto;
}

/* リスト共通 */
.section-12__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.section-12__item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.section-12__icon-wrapper {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    color: rgb(255, 140, 66);
}

.section-12__icon {
    width: 100%;
    height: 100%;
}

.section-12__item-content {
    flex: 1;
}

.section-12__item-title {
    font-size: 18px;
    font-weight: 700;
    color: rgb(51, 51, 51);
    line-height: 1.6;
    margin-bottom: 8px;
}

.section-12__item-text {
    font-size: 15px;
    font-weight: 400;
    color: rgb(102, 102, 102);
    line-height: 1.8;
    margin: 0px;
}

/* 比較表 */
.section-12__comparison-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #FFFFFF;
    font-size: 14px;
}

/* ヘッダー */
.comparison-table__header {
    background-color: #E8E8E8;
    color: #333333;
    font-weight: 700;
    padding: 14px 12px;
    text-align: center;
    border: 1px solid #CCCCCC;
    font-size: 13px;
    white-space: nowrap;
}

.comparison-table__header--category {
    background-color: #D0D0D0;
    text-align: left;
    min-width: 140px;
}

/* 行 */
.comparison-table__row {
    border-bottom: 1px solid #CCCCCC;
}

.comparison-table__row:last-child {
    border-bottom: none;
}

/* ハイライト行(デュアルダイナミックRF) */
.comparison-table__row--highlight {
    background-color: #FFF5F5;
}

.comparison-table__row--highlight .comparison-table__cell--name {
    background-color: #FFE8E8;
    font-weight: 700;
}

/* セル */
.comparison-table__cell {
    padding: 14px 12px;
    text-align: center;
    border: 1px solid #CCCCCC;
    background-color: #F8F8F8;
}

.comparison-table__cell--name {
    background-color: #E8E8E8;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

/* アイコン */
.comparison-table__icon {
    display: inline-block;
    font-size: 20px;
    font-weight: 700;
}

.comparison-table__icon--triangle {
    color: #666666;
}

.comparison-table__icon--circle {
    color: #333333;
}

.comparison-table__icon--double-circle {
    color: #000000;
}

.comparison-table__icon--cross {
    color: #999999;
}

.comparison-table__icon--bar {
    color: #999999;
}

/* アクセントカラー(ハイライト行用) */
.comparison-table__icon--circle-accent {
    color: #FF8C42;
}

.comparison-table__icon--double-circle-accent {
    color: #FF8C42;
}

/* 注釈 */
.comparison-table__note {
    text-align: right;
    font-size: 11px;
    color: #666666;
    margin-top: 8px;
    margin-bottom: 0;
}

/* 安全性・信頼性 */
.section-12__safety-content {
    display: grid;
    grid-template-columns: 452px 1fr;
    gap: 60px;
    align-items: center;
}

.section-12__safety-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.section-12__safety-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.section-12__safety-content-text {
    flex: 1;
}

.section-12__safety-title {
    font-size: 18px;
    font-weight: 700;
    color: rgb(51, 51, 51);
    line-height: 1.6;
    margin-bottom: 8px;
}

.section-12__safety-text {
    font-size: 13px;
    color: #666666;
    line-height: 1.7;
    margin: 0;
}

.section-12__safety-image {
    text-align: center;
}

.section-12__safety-image img {
    width: 100%;
    border-radius: 8px;
}

/* 製品仕様テーブル */
.section-12__card--specs {
    background-color: #1A1A1A;
    color: #FFFFFF;
}

.section-12__card--specs .section-12__title {
    color: #FFFFFF;
}

.section-12__specs-table {
    width: 100%;
    border-collapse: collapse;
}

.section-12__specs-row {
    border-bottom: 1px solid #333333;
}

.section-12__specs-row:last-child {
    border-bottom: none;
}

.section-12__specs-label {
    font-size: 14px;
    font-weight: 400;
    color: #AAAAAA;
    text-align: left;
    padding: 16px 0;
    width: 40%;
}

.section-12__specs-value {
    font-size: 14px;
    font-weight: 400;
    color: #FFFFFF;
    text-align: right;
    padding: 16px 0;
}

/* ========================================
   お問い合わせセクション
======================================== */
.section-contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.section-contact__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.section-contact__header {
    margin-bottom: var(--spacing-lg);
}

.section-contact__title {
    font-size: var(--font-size-h2);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.section-contact__gradient {
    width: 80px;
    height: 4px;
    background: var(--color-gradient);
    margin: 0 auto;
}

.section-contact__text {
    font-size: 16px;
    line-height: 1.73;
    margin-bottom: var(--spacing-xl);
}

.section-contact__container .button {
    margin: 0 auto;
}

/* ========================================
   フッター
======================================== */
.footer {
    margin-top: 0;
}

/* 上部メニューエリア */
.footer__menu {
    background-color: #F5F5F5;
    padding: 70px 0;
}

.footer__menu .footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.footer__column {
    /* 各カラムの基本スタイル */
}

.footer__heading {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 24px;
    line-height: 1.4;
}

.footer__heading-link {
    color: var(--color-text);
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.footer__heading-link:hover {
    opacity: 0.7;
}

.footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__item {
    margin-bottom: 14px;
}

.footer__item:last-child {
    margin-bottom: 0;
}

.footer__link {
    color: #666666;
    text-decoration: none;
    font-size: 14px;
    line-height: 1.8;
    transition: color var(--transition-base);
    display: inline-block;
}

.footer__link:hover {
    color: #0099CC;
    opacity: 1;
}

/* 下部コピーライトエリア */
.footer__copyright {
    background-color: #000000;
    color: #FFFFFF;
    text-align: center;
    padding: 24px 20px;
    font-size: 13px;
    font-weight: 400;
}

.footer__copyright p {
    margin: 0;
}

/* ========================================
   レスポンシブ対応: タブレット (641px～1024px)
======================================== */
@media (max-width: 1024px) {
    :root {
        --container-padding: 60px;
        --font-size-h2: 32px;
        --font-size-h3: 20px;
    }

    .header {
        background-color: var(--color-white);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .header__nav {
        display: none;
    }

    .nav__list {
        gap: 30px;
    }

    .nav__link {
        font-size: 14px;
    }

    .section-03__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* Section 04: タブレット */
    .section-04 {
        min-height: 500px;
    }

    .section-04__container {
        padding: 60px 60px;
        min-height: 500px;
    }

    .section-04__title {
        font-size: 36px;
    }

    .section-04__title-highlight {
        font-size: 56px;
    }

    .section-04__overlay {
        background: linear-gradient(to right,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0.5) 30%,
                rgba(255, 255, 255, 0.9) 60%,
                rgba(255, 255, 255, 0.95) 100%);
    }

    .section-05__item,
    .section-05__item--reverse {
        grid-template-columns: 1fr;
    }

    /* Section 06: タブレット */
    .section-06 {
        min-height: 800px;
        padding: 80px 0;
    }

    .section-06__container {
        padding: 0 60px;
    }

    .section-06__header {
        margin-bottom: 60px;
    }

    .section-06__title {
        font-size: 42px;
    }

    .section-06__subtitle {
        font-size: 16px;
    }

    .section-06__content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .section-06__image {
        max-width: 520px;
        margin: 0 auto;
    }

    .section-07__benefits {
        grid-template-columns: 1fr;
    }

    .section-08__cases {
        grid-template-columns: 1fr;
    }

    /* Section 09: タブレット */
    .section-09 {
        padding: 80px 0;
    }

    .section-09__title {
        font-size: 28px;
    }

    .section-09__card {
        padding: 50px 40px;
    }

    .section-09__item-title {
        font-size: 17px;
    }

    .section-09__item-text {
        font-size: 14px;
    }

    .section-10__images {
        grid-template-columns: 1fr;
    }

    .section-10__dual {
        grid-template-columns: 1fr;
    }

    .section-10__dual .section-10__block--small {
        margin-bottom: var(--spacing-xl);
    }

    .section-10__dual .section-10__block--small:last-child {
        margin-bottom: 0;
    }

    /* Section 11: タブレット */
    .section-11 {
        min-height: 400px;
    }

    .section-11__container {
        padding: 80px 40px;
    }

    .section-11__title {
        font-size: 36px;
    }

    /* Section 12: タブレット */
    .section-12__container {
        max-width: 600px;
    }

    .section-12__card {
        padding: 40px 30px;
    }

    .comparison-table {
        font-size: 13px;
    }

    .comparison-table__header,
    .comparison-table__cell {
        padding: 12px 10px;
    }

    /* ヒーロー: タブレット */
    .hero {
        min-height: 600px;
        max-height: 700px;
        margin-top: -100px;
        padding-top: 100px;
    }

    .hero__container {
        padding: 0 40px;
    }

    .hero__content {
        gap: 50px;
    }

    .hero__left {
        gap: 40px;
    }

    .hero__circle-img {
        width: 240px;
        height: 240px;
        border: 10px solid #FFFFFF;
    }

    .hero__heading {
        font-size: 48px;
    }

    .hero__tag {
        font-size: 14px;
        padding: 12px 26px;
    }

    /* フッター: タブレット */
    .footer__menu .footer__container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        padding: 0 30px;
    }

    .footer__menu {
        padding: 60px 0;
    }
}

/* ========================================
   レスポンシブ対応: モバイル (～640px)
======================================== */
@media (max-width: 640px) {
    :root {
        --container-padding: 20px;
        --font-size-h2: 24px;
        --font-size-h3: 18px;
        --spacing-xxl: 40px;
        --spacing-xl: 30px;
    }

    .header {
        padding: 15px 0;
        background-color: var(--color-white);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        height: 70px; 
    }

    .header__container {
        padding: 0 20px;
        height: 100%;
    }

    .header__logo-img {
        width: 100px;

    }

    .header__nav {
        display: none;
    }
    /* ヒーロー: モバイル */
    .hero {
        height: auto;
        min-height: 100vh;
        max-height: none;
        margin-top: -70px;
    }

    .hero__bg-image {
        object-fit: cover;
        object-position: center top;
    }

    .hero__product-image{
        display: none;
    }

    /*.hero__overlay {
        background: linear-gradient(to bottom,
                rgba(255, 255, 255, 0.4) 0%,
                rgba(255, 255, 255, 0.6) 100%);
    }
*/
    .hero__container {
        padding: 0 20px;
        padding-top: 70px;
        margin-top: 200px;
    }

    .hero__content {
        justify-content: center;
        padding: 100px 0 80px;
        flex-direction: column;
        gap: 40px;
    }

    .hero__left {
        align-items: center;
        text-align: center;
        gap: 35px;
    }
    
     .hero__product-image {
        display: none;
    }
    
    .hero__circle-img {
        width: 200px;
        height: 200px;
        border: 8px solid #FFFFFF;
    }
    
    .hero__heading {
        font-size: 36px;
        text-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
    }

    .hero__tag {
        font-size: 13px;
        padding: 10px 22px;
        margin-bottom: 20px;
    }

    .button--primary,
    .button--large {
        width: 100%;
        font-size: 14px;
        padding: 20px;
        height: auto;
    }

    .section-02__text {
        font-size: 16px;
    }

    .section-03__title {
        font-size: 32px;
    }

    .section-03__images {
        grid-template-columns: 1fr;
    }

    /* Section 04: モバイル */
    .section-04 {
        min-height: auto;
    }

    .section-04__bg-image {
        object-position: center top;
    }

    .section-04__overlay {
        background: linear-gradient(to bottom,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0.5) 30%,
                rgba(255, 255, 255, 0.9) 60%,
                rgba(255, 255, 255, 0.95) 100%);
    }

    .section-04__container {
        padding: 300px 20px 60px;
        min-height: auto;
        justify-content: center;
    }

    .section-04__content {
        justify-content: center;
    }

    .section-04__text {
        text-align: center;
        max-width: 100%;
    }

    .section-04__label {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .section-04__title {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .section-04__title-highlight {
        font-size: 42px;
    }

    .section-04__description {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .section-05__label {
        font-size: 28px;
    }

    .section-05__item {
        margin-bottom: 60px;
    }

    .section-05__item--reverse {
        display: flex;
        flex-direction: column-reverse;
    }

    /* Section 06: モバイル */
    .section-06 {
        min-height: auto;
        padding: 60px 0;
    }

    .section-06__container {
        padding: 0 20px;
    }

    .section-06__header {
        margin-bottom: 40px;
    }

    .section-06__title {
        font-size: 28px;
    }

    .section-06__subtitle {
        font-size: 13px;
    }

    .section-06__content {
        gap: 40px;
    }

    .section-06__heading {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .section-06__list-item {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 10px;
        padding-left: 20px;
    }

    .section-06__description {
        font-size: 14px;
        line-height: 1.8;
    }

    .section-06__image {
        padding: 30px 20px;
    }

    .section-07__title,
    .section-08__title,
    .section-09__title,
    .section-10__title,
    .section-12__title,
    .section-contact__title {
        font-size: 24px;
    }

    .section-07__benefits {
        gap: 30px;
    }

    .section-07__benefit {
        padding: var(--spacing-md);
    }

    /* Section 09: モバイル */
    .section-09 {
        padding: 60px 0;
    }

    .section-09__container {
        padding: 0 20px;
    }

    .section-09__header {
        margin-bottom: 40px;
    }

    .section-09__title {
        font-size: 22px;
        line-height: 1.5;
    }

    .section-09__underline {
        width: 60px;
        height: 2px;
    }

    .section-09__card {
        padding: 40px 24px;
        border-radius: 16px;
    }

    .section-09__item {
        display: flex;
        gap: 15px;
        margin-bottom: 32px;
    }

    .section-09__icon {
        width: 28px;
        height: 28px;
    }

    .section-09__item-title {
        font-size: 16px;
        margin-bottom: 6px;
    }

    .section-09__item-text {
        font-size: 13px;
        line-height: 1.7;
    }

    .section-10__image-quad {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Section 11: モバイル */
    .section-11 {
        min-height: 300px;
    }

    .section-11__bg-image {
        object-position: center;
    }

    .section-11__container {
        padding: 60px 20px;
    }

    .section-11__title {
        font-size: 24px;
        line-height: 1.6;
        letter-spacing: 0.03em;
    }

    /* Section 12: モバイル */
    .section-12 {
        padding: 60px 0 80px;
    }

    .section-12__container {
        gap: 40px;
    }

    .section-12__card {
        padding: 36px 24px;
        border-radius: 16px;
    }

    .section-12__safety-content {
        grid-template-columns: 1fr;
    }

    .section-12__title {
        font-size: 20px;
    }

    .section-12__underline {
        width: 50px;
        height: 2px;
    }

    .section-12__item {
        gap: 12px;
    }

    .section-12__item-title {
        font-size: 14px;
    }

    .section-12__item-text {
        font-size: 12px;
    }

    .section-12__specs-label,
    .section-12__specs-value {
        font-size: 13px;
        padding: 12px 0;
    }

    /* 比較表: モバイル(カード形式) */
    .comparison-table {
        border: 0;
    }

    .comparison-table thead {
        display: none;
    }

    .comparison-table__row {
        display: block;
        margin-bottom: 20px;
        border: 1px solid #CCCCCC;
        border-radius: 8px;
        overflow: hidden;
    }

    .comparison-table__row--highlight {
        border: 2px solid #FF8C42;
    }

    .comparison-table__cell {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 16px;
        border: none;
        border-bottom: 1px solid #E0E0E0;
        text-align: right;
        background-color: #FFFFFF;
    }

    .comparison-table__cell:last-child {
        border-bottom: none;
    }

    .comparison-table__cell--name {
        background-color: #E8E8E8;
        font-size: 15px;
        font-weight: 700;
        justify-content: center;
        text-align: center;
    }

    .comparison-table__row--highlight .comparison-table__cell--name {
        background-color: #FF8C42;
        color: #FFFFFF;
    }

    .comparison-table__cell::before {
        content: attr(data-label);
        font-weight: 600;
        color: #666666;
        font-size: 13px;
        text-align: left;
    }

    .comparison-table__cell--name::before {
        content: '';
    }

    .comparison-table__icon {
        font-size: 18px;
    }

    /* フッター: モバイル */
    .footer__menu .footer__container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }

    .footer__menu {
        padding: 50px 0;
    }

    .footer__column {
        margin-bottom: 20px;
    }

    .footer__column:last-child {
        margin-bottom: 0;
    }

    .footer__heading {
        font-size: 16px;
        margin-bottom: 20px;
    }

    .footer__link {
        font-size: 13px;
    }

    .footer__copyright {
        padding: 20px;
        font-size: 12px;
    }
}

/* ========================================
   PC表示時のハンバーガーメニュー非表示
======================================== */
@media (min-width: 1025px) {
    .header__hamburger {
        display: none;
    }

    .header__nav {
        display: block;
    }

    .mobile-menu {
        display: none;
    }
}