/* ==========================================
   リセット & 基本設定
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.8;
    color: #2d2d2d;
    background-color: #faf8f6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: #c9a8a0;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #e8b4a8;
}

/* ==========================================
   ヘッダー & ナビゲーション
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    z-index: 1000;
}

.header-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo img {
    height: 28px;
    display: block;
}

.hamburger {
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #2d2d2d;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: #fff;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.4s ease;
    z-index: 999;
    padding: 100px 0 40px;
}

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

.nav-list {
    list-style: none;
}

.nav-list li {
    border-bottom: 1px solid #f0f0f0;
}

.nav-list a {
    display: block;
    padding: 20px 40px;
    color: #2d2d2d;
    font-size: 1rem;
    letter-spacing: 0.08em;
    transition: all 0.3s ease;
}

.nav-list a:hover {
    background-color: #faf8f6;
    color: #e8b4a8;
}

.nav-cta {
    background: linear-gradient(135deg, #e8b4a8 0%, #d4a5a5 100%);
    color: #fff !important;
    font-weight: 500;
    margin: 20px;
    border-radius: 50px;
    text-align: center;
}

.nav-cta:hover {
    background: linear-gradient(135deg, #d9a090 0%, #c08e8e 100%) !important;
    color: #fff !important;
}

/* ==========================================
   レイアウト
   ========================================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #c9a8a0 0%, #e8b4a8 50%, #d4a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 400;
    letter-spacing: 0.12em;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 1px;
    background: linear-gradient(to right, transparent, #e8b4a8, transparent);
}

/* ==========================================
   ボタン
   ========================================== */
.btn {
    display: inline-block;
    padding: 18px 48px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: #e8b4a8;
    color: #fff;
    box-shadow: 0 4px 20px rgba(232, 180, 168, 0.25);
}

.btn-primary:hover {
    background-color: #d9a090;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(232, 180, 168, 0.35);
    color: #fff;
}

.btn-secondary {
    background-color: transparent;
    color: #c9a8a0;
    border: 1.5px solid #c9a8a0;
}

.btn-secondary:hover {
    background-color: #c9a8a0;
    color: #fff;
    transform: translateY(-2px);
}


/* ==========================================
   ファーストビュー
   ========================================== */
.hero {
    background-image: url('images/product/main.png');
    background-size: cover;
    background-position: center;
    min-height: 80vh;
    display: flex;
    align-items: stretch;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(250, 248, 246, 0.85) 0%,
        rgba(250, 248, 246, 0.5) 40%,
        rgba(250, 248, 246, 0.3) 70%,
        rgba(250, 248, 246, 0.4) 100%
    );
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-top: 4vh;
    padding-bottom: 4vh;
}

.catchcopy {
    font-size: 3.2rem;
    background: linear-gradient(135deg, #c9a8a0 0%, #e8b4a8 50%, #d4a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    font-weight: 300;
    letter-spacing: 0.15em;
    line-height: 1.5;
    text-shadow: none;
    text-wrap: balance;
}

.catchcopy::before,
.catchcopy::after {
    display: none;
}

.subcopy {
    font-size: 1.1rem;
    color: #8a8a8a;
    letter-spacing: 0.12em;
    font-weight: 400;
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.6);
    font-style: italic;
}

.sp-br {
    display: none;
}

/* ==========================================
   こんな方へ
   ========================================== */
.target {
    background-color: #faf8f6;
}

.target-list {
    list-style: none;
    max-width: 650px;
    margin: 0 auto 50px;
}

.target-list li {
    padding: 20px 30px;
    margin-bottom: 16px;
    background-color: #fff;
    border-left: 3px solid #e8b4a8;
    border-radius: 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.target-list li:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.target-message {
    text-align: center;
    font-size: 1.15rem;
    color: #2d2d2d;
    font-weight: 400;
    letter-spacing: 0.08em;
}

/* ==========================================
   商品の特徴
   ========================================== */
.features {
    background-color: #fff;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.85);
    pointer-events: none;
}

.features .container {
    position: relative;
    z-index: 1;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 70px;
}

.feature-item {
    padding: 50px 40px;
    background-color: #faf8f6;
    border-radius: 0;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background-color: #f5f1ed;
}

.feature-item h3 {
    font-size: 1.4rem;
    color: #2d2d2d;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-wrap: balance;
}

.feature-item p {
    color: #6a6a6a;
    line-height: 2;
    letter-spacing: 0.05em;
}

.usage-guide {
    max-width: 900px;
    margin: 60px auto 0;
    padding: 0;
}

.usage-guide h3 {
    font-size: 1.8rem;
    color: #2d2d2d;
    margin-bottom: 50px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-align: center;
}

.usage-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.usage-step {
    text-align: center;
}

.step-image {
    width: 100%;
    aspect-ratio: 1;
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 8px;
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.usage-step h4 {
    font-size: 1.1rem;
    color: #2d2d2d;
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.usage-step p {
    color: #6a6a6a;
    font-size: 0.95rem;
    line-height: 1.8;
    letter-spacing: 0.05em;
}

.usage-note {
    text-align: center;
    color: #6a6a6a;
    line-height: 2;
    letter-spacing: 0.05em;
    padding: 30px 40px;
    background-color: #faf8f6;
    border-radius: 0;
}

/* ==========================================
   こだわり・成分
   ========================================== */
.ingredients {
    background-color: #faf8f6;
    position: relative;
}

.ingredients::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(250, 248, 246, 0.85);
    pointer-events: none;
}

.ingredients .container {
    position: relative;
    z-index: 1;
}

.ingredient-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.ingredient-item {
    padding: 50px 40px;
    background-color: #fff;
    border-radius: 0;
    text-align: center;
    transition: all 0.3s ease;
}

.ingredient-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.ingredient-item h3 {
    font-size: 1.3rem;
    color: #2d2d2d;
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.08em;
}

.ingredient-item p {
    color: #6a6a6a;
    line-height: 2;
    letter-spacing: 0.05em;
}

.ingredient-note {
    text-align: center;
    color: #ababab;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ==========================================
   ブランドストーリー
   ========================================== */
.story {
    background-color: #fff;
}

.story-content {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
}

.story-content p {
    margin-bottom: 30px;
    color: #6a6a6a;
    font-size: 1.1rem;
    line-height: 2.4;
    letter-spacing: 0.08em;
}

/* ==========================================
   購入方法
   ========================================== */
.purchase {
    background-color: #faf8f6;
    text-align: center;
}

.purchase-text {
    font-size: 1.15rem;
    margin-bottom: 40px;
    color: #6a6a6a;
    letter-spacing: 0.08em;
}

.purchase-note {
    margin-top: 30px;
    color: #ababab;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ==========================================
   お知らせ
   ========================================== */
.news {
    background-color: #fff;
    padding: 80px 0;
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    align-items: center;
    padding: 20px 30px;
    margin-bottom: 16px;
    background-color: #faf8f6;
    border-left: 3px solid #e8b4a8;
    transition: all 0.3s ease;
}

.news-item:hover {
    background-color: #f5f1ed;
    transform: translateX(4px);
}

.news-date {
    font-size: 0.9rem;
    color: #8a8a8a;
    margin-right: 20px;
    min-width: 100px;
    letter-spacing: 0.05em;
}

.news-category {
    display: inline-block;
    padding: 4px 12px;
    background-color: #e8b4a8;
    color: #fff;
    font-size: 0.85rem;
    border-radius: 3px;
    margin-right: 20px;
    letter-spacing: 0.05em;
}

.news-category.highlight {
    background-color: #d4a5a5;
    font-weight: 500;
}

.news-title {
    color: #2d2d2d;
    font-size: 1rem;
    letter-spacing: 0.05em;
    flex: 1;
}

.news-title:hover {
    color: #e8b4a8;
}

/* ==========================================
   旧モニター募集（削除予定）
   ========================================== */
.monitor {
    background-color: #fff;
}

.monitor-lead {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 50px;
    color: #2d2d2d;
    font-weight: 400;
    letter-spacing: 0.08em;
}

.monitor-content {
    max-width: 750px;
    margin: 0 auto;
    padding: 60px 50px;
    background-color: #faf8f6;
    border-radius: 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

.monitor-content h3 {
    font-size: 1.4rem;
    color: #2d2d2d;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 400;
    letter-spacing: 0.08em;
}

.monitor-list {
    list-style: none;
    margin-bottom: 40px;
}

.monitor-list li {
    padding: 16px 24px;
    margin-bottom: 14px;
    background-color: #fff;
    border-left: 3px solid #e8b4a8;
    border-radius: 0;
    letter-spacing: 0.05em;
    line-height: 1.9;
}

.monitor-note {
    text-align: center;
    color: #6a6a6a;
    margin-bottom: 40px;
    line-height: 2.2;
    letter-spacing: 0.05em;
}

.monitor-content .btn {
    display: block;
    margin: 0 auto;
    max-width: 320px;
}

/* ==========================================
   ページ共通（サブページ用）
   ========================================== */
.page-header {
    background-color: #fff;
    padding: 30px 0;
    border-bottom: 1px solid #f0f0f0;
}

.logo {
    font-size: 1.5rem;
    color: #2d2d2d;
    font-weight: 400;
    letter-spacing: 0.12em;
}

.page-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #c9a8a0 0%, #e8b4a8 50%, #d4a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 400;
    letter-spacing: 0.12em;
}

.page-lead {
    text-align: center;
    color: #6a6a6a;
    font-size: 1.05rem;
    margin-bottom: 50px;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

.back-link {
    text-align: center;
    margin-top: 60px;
}

.back-link a {
    color: #c9a8a0;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

/* モニター募集ページ */
.monitor-page {
    padding: 80px 0;
    background-color: #faf8f6;
}

.monitor-content-page {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 60px 50px;
    border-radius: 0;
}

.monitor-content-page h2 {
    font-size: 1.6rem;
    color: #2d2d2d;
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
    letter-spacing: 0.08em;
}

.monitor-content-page h2:first-child {
    margin-top: 0;
}

.monitor-list-page {
    list-style: none;
    margin-bottom: 30px;
}

.monitor-list-page li {
    padding: 14px 20px;
    margin-bottom: 12px;
    background-color: #faf8f6;
    border-left: 3px solid #e8b4a8;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

.monitor-note-page {
    color: #6a6a6a;
    line-height: 2;
    letter-spacing: 0.05em;
    margin-bottom: 30px;
}

.monitor-cta {
    text-align: center;
    margin: 40px 0;
}

.monitor-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.monitor-table th,
.monitor-table td {
    padding: 16px 20px;
    border: 1px solid #f0f0f0;
    text-align: left;
}

.monitor-table th {
    background-color: #faf8f6;
    font-weight: 500;
    color: #2d2d2d;
    width: 30%;
    letter-spacing: 0.05em;
}

.monitor-table td {
    color: #6a6a6a;
    letter-spacing: 0.05em;
}

/* お問い合わせページ */
.contact-page {
    padding: 80px 0;
    background-color: #faf8f6;
}

.contact-info {
    max-width: 800px;
    margin: 0 auto 50px;
    text-align: center;
    background-color: #fff;
    padding: 40px;
}

.contact-info h2 {
    font-size: 1.4rem;
    color: #2d2d2d;
    margin-bottom: 20px;
    letter-spacing: 0.08em;
}

.contact-email {
    font-size: 1.3rem;
    margin: 20px 0;
}

.contact-email a {
    color: #e8b4a8;
    font-weight: 500;
}

.contact-note {
    color: #8a8a8a;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 60px 50px;
}

.contact-form-wrapper h2 {
    font-size: 1.6rem;
    color: #2d2d2d;
    margin-bottom: 30px;
    letter-spacing: 0.08em;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2d2d2d;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.required {
    color: #e8b4a8;
    font-size: 0.85rem;
    margin-left: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e8b4a8;
}

.form-submit {
    text-align: center;
    margin-top: 40px;
}

.form-note {
    text-align: center;
    color: #8a8a8a;
    font-size: 0.9rem;
    margin-top: 20px;
    letter-spacing: 0.05em;
}

/* ==========================================
   フッター
   ========================================== */
.footer {
    background-color: #2d2d2d;
    color: #f0f0f0;
    padding: 70px 0 40px;
    text-align: center;
}

.footer-brand h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    font-weight: 300;
    letter-spacing: 0.12em;
}

.footer-brand p {
    margin-bottom: 40px;
    opacity: 0.8;
    letter-spacing: 0.08em;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #f0f0f0;
    opacity: 0.8;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.footer-links a:hover {
    opacity: 1;
    color: #e8b4a8;
}

.footer-contact {
    margin-bottom: 40px;
}

.footer-contact a {
    color: #f0f0f0;
    text-decoration: underline;
    opacity: 0.8;
}

.footer-contact a:hover {
    opacity: 1;
    color: #e8b4a8;
}

.footer-copyright {
    font-size: 0.85rem;
    opacity: 0.6;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    letter-spacing: 0.05em;
}

/* ==========================================
   レスポンシブ対応
   ========================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

    .catchcopy {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .subcopy {
        font-size: 1rem;
        margin-bottom: 50px;
    }

    .hero {
        align-items: stretch;
        padding: 0;
        min-height: 90vh;
        background-position: center 15%;
    }

    .hero .container {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding-top: 13vh;
        padding-bottom: 0;
    }

    .subcopy {
        letter-spacing: 0;
    }

    .sp-br {
        display: block;
    }

    .feature-grid,
    .ingredient-list {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-item,
    .ingredient-item {
        padding: 40px 30px;
    }

    .usage,
    .monitor-content {
        padding: 40px 30px;
    }

    .btn {
        padding: 15px 36px;
        font-size: 0.95rem;
    }

    .story-content p {
        font-size: 1.05rem;
        line-height: 2.2;
    }

    /* 使い方：2列レイアウトで画像を小さく */
    .usage-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .step-image {
        max-width: 160px;
        margin-left: auto;
        margin-right: auto;
    }

    /* お知らせ：日付・カテゴリを1行目、タイトルを2行目に */
    .news-item {
        flex-wrap: wrap;
        align-items: center;
        row-gap: 8px;
        column-gap: 12px;
        padding: 16px 20px;
    }

    .news-date {
        min-width: auto;
        margin-right: 0;
    }

    .news-category {
        margin-right: 0;
    }

    .news-title {
        flex-basis: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .catchcopy {
        font-size: 1.6rem;
        letter-spacing: 0.08em;
    }

    .subcopy {
        font-size: 0.95rem;
    }

    .target-list li {
        padding: 16px 20px;
        font-size: 1rem;
    }

    .feature-item,
    .ingredient-item,
    .usage,
    .monitor-content {
        padding: 30px 24px;
    }

    .story-content p {
        font-size: 1rem;
    }
}