:root {
    /* Quiet Luxury Color Palette */
    --color-base-ecru: #F9F8F6;
    /* エクルベージュ（生成り） */
    --color-base-sand: #EBEAE6;
    /* サンドグレー */
    --color-text-charcoal: #3A3A3A;
    /* チャコールグレー（墨色） */
    --color-text-light: #7A7A7A;
    /* 柔らかな中間グレー */
    --color-accent-gold: #B89758;
    /* 深みのあるアンティークゴールド（真鍮色） */
    --color-accent-gold-hover: #C5A566;

    /* Typography */
    --font-serif: "Zen Old Mincho", "Yu Mincho", "游明朝", "Noto Serif JP", serif;
    --font-sans: "Zen Kaku Gothic New", "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-charcoal);
    background-color: var(--color-base-ecru);
    line-height: 2.0;
    /* ゆとりを持たせた行間 */
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    color: var(--color-text-charcoal);
    font-weight: 300;
    /* 線が細くスタイリッシュな明朝 */
    letter-spacing: 0.08em;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Utility Classes */
.hide-pc {
    display: none !important;
}

@media (max-width: 768px) {
    .hide-sp {
        display: none !important;
    }

    .hide-pc {
        display: block !important;
    }
}

/* Header */
.site-header {
    background-color: transparent;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 24px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: "Cinzel", var(--font-serif);
    font-size: 38px;
    font-weight: 400;
    color: var(--color-text-charcoal);
    text-decoration: none;
    letter-spacing: 0.05em;
    /* 視認性を重視し、文字間を少し狭く調整 */
    line-height: 1;
    transition: opacity 0.3s ease;
}

.logo a:hover {
    opacity: 0.7;
}

.header-logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-secondary-gray);
    font-size: 14px;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--color-accent-purple);
}

/* Mobile Nav Toggle */
.menu-toggle {
    background: transparent;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 1000;
}

.menu-bar {
    display: block;
    width: 24px;
    height: 1px;
    background-color: var(--color-text-charcoal);
    position: absolute;
    left: 4px;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.menu-bar:nth-child(1) {
    top: 8px;
}

.menu-bar:nth-child(2) {
    top: 15px;
}

.menu-bar:nth-child(3) {
    top: 22px;
}

/* Menu open state */
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-base-ecru);
    z-index: 999;
    padding: 100px 32px 40px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.mobile-menu.is-active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    margin-top: 40px;
}

.mobile-nav-link {
    font-family: "Cinzel", var(--font-serif);
    font-size: 24px;
    color: var(--color-text-charcoal);
    text-decoration: none;
    letter-spacing: 0.1em;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-menu.is-active .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu.is-active .mobile-nav-link:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu.is-active .mobile-nav-link:nth-child(2) {
    transition-delay: 0.2s;
}

.mobile-menu.is-active .mobile-nav-link:nth-child(3) {
    transition-delay: 0.3s;
}

.mobile-cta {
    margin-top: 24px;
    width: 100%;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease 0.4s, transform 0.4s ease 0.4s;
}

.mobile-menu.is-active .mobile-cta {
    opacity: 1;
    transform: translateY(0);
}

.mobile-sns {
    display: flex;
    gap: 24px;
    margin-top: auto;
    /* Push to bottom */
    padding-top: 40px;
    opacity: 0;
    transition: opacity 0.4s ease 0.5s;
}

.mobile-menu.is-active .mobile-sns {
    opacity: 1;
}

/* Buttons */
.btn-primary {
    background-color: var(--color-accent-gold);
    color: #FFFFFF !important;
    /* 真っ白で視認性確保 */
    padding: 16px 40px;
    border-radius: 2px;
    /* よりシャープな印象に */
    font-family: var(--font-serif);
    font-weight: 500;
    /* 太さを上げて読みやすく */
    letter-spacing: 0.1em;
    box-shadow: 0 4px 16px rgba(184, 151, 88, 0.3);
    /* ゴールドの色味に合わせた影 */
    transition: transform 0.4s ease, box-shadow 0.4s ease, background-color 0.4s ease;
    display: inline-block;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--color-accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(184, 151, 88, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-charcoal);
    padding: 14px 40px;
    border: 1px solid var(--color-accent-gold);
    border-radius: 2px;
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: 0.1em;
    transition: all 0.4s ease;
    display: inline-block;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-accent-gold);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}

.btn-secondary:hover {
    color: #FFFFFF;
    box-shadow: 0 4px 16px rgba(184, 151, 88, 0.2);
}

.btn-secondary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Sections General */
section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 36px;
    line-height: 1.4;
    margin-bottom: 16px;
    color: var(--color-primary-navy);
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: 16px;
}

/* 1. Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding: 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

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

    to {
        transform: scale(1.05);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(249, 248, 246, 0.4) 0%, rgba(249, 248, 246, 0.8) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--color-text-charcoal);
    padding-top: 80px;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 500;
    color: #9A7B42;
    /* より濃く、コントラストの高いゴールド（ブラウン寄り） */
    letter-spacing: 0.15em;
    margin-bottom: 24px;
    background: rgba(249, 248, 246, 0.7);
    /* 薄い背景を敷いて文字を際立たせる */
    padding: 6px 16px;
    border-radius: 20px;
    display: inline-block;
    animation: fadeUp 1s ease-out forwards;
}

.hero-copy {
    font-size: 52px;
    line-height: 1.4;
    margin-bottom: 32px;
    color: var(--color-text-charcoal);
    letter-spacing: 0.1em;
    animation: fadeUp 1s ease-out 0.2s forwards;
    opacity: 0;
}

.hero-btn {
    display: inline-block;
    font-size: 16px;
    padding: 16px 36px;
    animation: fadeUp 1s ease-out 0.6s forwards;
    opacity: 0;
}

.hero-cta {
    margin-top: 48px;
    animation: fadeUp 1s ease-out 0.4s forwards;
    opacity: 0;
}

/* 1.5 Subcopy Section */
.subcopy-section {
    background-color: #FFFFFF;
    /* Hero(画像)とAbout(背景)の間のクッションとして白に */
    padding: 120px 0;
    text-align: center;
}

.subcopy-text {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 2.2;
    color: var(--color-text-charcoal);
    letter-spacing: 0.08em;
    max-width: 800px;
    margin: 0 auto;
}

.hero-cta-support-text {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-text-charcoal);
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    opacity: 0.8;
}

.hero-cta-btn {
    font-size: 15px;
    padding: 16px 40px;
    box-shadow: 0 4px 15px rgba(205, 183, 141, 0.2);
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* 2. Empathy Section */
.empathy-section {
    background-color: var(--color-base-sand);
    padding: 140px 0;
}

.painpoints-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.painpoint-card {
    background: transparent;
    padding: 40px 32px;
    border-top: 1px solid var(--color-accent-gold);
    transition: transform 0.4s ease;
}

.painpoint-card:hover {
    transform: translateY(-4px);
}

.painpoint-img-wrapper {
    margin-bottom: 24px;
    overflow: hidden;
    border-radius: 0;
    aspect-ratio: 4 / 3;
    /* イラストが収まりやすい比率に変更 */
    box-shadow: none;
    border: none;
}

.painpoint-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* coverからcontainに変更して見切れを防止 */
    transition: transform 0.6s ease;
}

.painpoint-card:hover .painpoint-img {
    transform: scale(1.03);
}

.card-number {
    font-family: var(--font-serif);
    font-size: 24px;
    color: var(--color-accent-gold);
    display: block;
    margin-bottom: 16px;
    letter-spacing: 0.1em;
}

.painpoint-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    font-family: var(--font-serif);
    color: var(--color-text-charcoal);
}

.painpoint-card p {
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 1.8;
}

/* 3. Promises Section */
.promises-section {
    background-color: var(--color-base-ecru);
}

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

.promise-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 64px;
    padding-bottom: 64px;
    border-bottom: 1px solid rgba(205, 183, 141, 0.3);
    /* ゴールドの薄いライン */
}

.promise-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.promise-icon {
    width: 200px;
    height: 200px;
    flex-shrink: 0;
    margin-right: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.promise-content h3 {
    font-size: 22px;
    margin-bottom: 16px;
    line-height: 1.5;
    color: var(--color-text-charcoal);
    letter-spacing: 0.05em;
}

.promise-content p {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 2.0;
}

/* 5. Services Page specific */
.services-section {
    padding-top: 60px;
    /* 見出しを消したので上部の余白を少し詰める */
}

/* 4. The Story Section (For Index) */
.story-section {
    background-color: #FFFFFF;
    /* 白背景で前のセクションと区切りをつける */
    padding: 180px 0;
}

.story-layout {
    display: flex;
    gap: 80px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.story-image-col {
    flex: 0 0 45%;
}

.story-img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    /* 洗練された影 */
}

.story-text-col {
    flex: 1;
    max-width: 500px;
    /* 読みやすい文字幅 */
}

.story-section-title {
    font-family: "Cinzel", var(--font-serif);
    font-size: 32px;
    /* タイトルと本文のメリハリ */
    color: var(--color-text-charcoal);
    margin-bottom: 16px;
    letter-spacing: 0.1em;
}

.story-subtitle {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--color-accent-gold);
    margin-bottom: 48px;
    letter-spacing: 0.08em;
    line-height: 1.6;
}

.story-bio p {
    font-family: var(--font-serif);
    /* 本文は明朝体推奨 */
    font-size: 15px;
    line-height: 2.2;
    /* ゆったりとした行間 */
    color: var(--color-text-charcoal);
    margin-bottom: 32px;
    /* ゆったりとした段落間 */
    letter-spacing: 0.08em;
    /* 贅沢な文字間隔 */
}

.story-bio p:last-child {
    margin-bottom: 0;
}

.story-signature {
    margin-top: 64px;
    border-top: 1px solid rgba(205, 183, 141, 0.4);
    padding-top: 32px;
}

.story-role {
    font-size: 12px;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.story-name {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--color-text-charcoal);
    letter-spacing: 0.1em;
}

.story-name span {
    font-family: "Cinzel", var(--font-serif);
    font-size: 14px;
    color: var(--color-text-light);
    margin-left: 12px;
}

/* 5. Services & Pricing Section */
.services-section {
    background-color: var(--color-base-sand);
    padding: 140px 0;
}

.pricing-table-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--color-base-ecru);
    border: 1px solid rgba(205, 183, 141, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th {
    background-color: transparent;
    color: var(--color-accent-gold);
    font-family: var(--font-serif);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-align: left;
    padding: 32px 40px 16px 40px;
    font-size: 14px;
    border-bottom: 2px solid rgba(205, 183, 141, 0.5);
}

.pricing-table td {
    padding: 40px;
    border-bottom: 1px solid rgba(205, 183, 141, 0.2);
    vertical-align: top;
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

.service-name {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--color-text-charcoal);
    width: 25%;
    font-weight: 300;
    letter-spacing: 0.05em;
    line-height: 1.6;
}

.service-desc {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 2.0;
    width: 50%;
}

.service-price {
    font-size: 20px;
    font-family: var(--font-serif);
    color: var(--color-text-charcoal);
    width: 25%;
    text-align: right;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.price-note {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--color-text-light);
    font-weight: 400;
    display: block;
    margin-top: 8px;
}

/* Service Summary Grid (index.html) */
.services-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-summary-card {
    background: #FFFFFF;
    border: 1px solid rgba(205, 183, 141, 0.3);
    border-radius: 4px;
    padding: 40px 32px;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-summary-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
}

.service-cat-en {
    display: block;
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--color-accent-gold);
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

.service-cat-jp {
    font-size: 20px;
    margin-bottom: 24px;
    color: var(--color-text-charcoal);
    line-height: 1.4;
    border-bottom: 1px solid rgba(205, 183, 141, 0.2);
    padding-bottom: 16px;
}

.service-summary-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.9;
}

/* Page Header (Subpages) */
.page-header-section {
    padding: 160px 0 32px;
    /* 見出し間の余白とバランスを取るために大幅に詰める */
    background-color: var(--color-base-sand);
    text-align: center;
}

.page-title {
    font-size: 40px;
    color: var(--color-text-charcoal);
    margin-bottom: 16px;
    letter-spacing: 0.1em;
}

.page-subtitle {
    color: var(--color-text-light);
    font-size: 16px;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.page-description {
    color: var(--color-text-charcoal);
    font-size: 15px;
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

/* 6. Company Section */
.company-section {
    padding: 120px 0;
    background-color: var(--color-base-ecru);
}

.company-table {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid rgba(205, 183, 141, 0.2);
    /* 一番上だけ薄く引く */
}

.company-row {
    display: flex;
    margin: 0;
    padding: 32px 0;
    border-bottom: 1px solid rgba(205, 183, 141, 0.4);
    /* 縦線はなく、薄い下線のみ */
    align-items: flex-start;
}

.company-row dt {
    width: 240px;
    flex-shrink: 0;
    font-family: var(--font-serif);
    /* 洗練された明朝体 */
    font-size: 16px;
    color: var(--color-accent-gold);
    letter-spacing: 0.1em;
    padding-right: 32px;
}

.company-row dd {
    margin: 0;
    flex: 1;
    font-size: 16px;
    line-height: 2.0;
    color: var(--color-text-charcoal);
}

/* 7. CTA Section */
.cta-section {
    padding: 160px 0;
    background-color: var(--color-base-ecru);
    text-align: center;
    position: relative;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    color: var(--color-text-charcoal);
    margin-bottom: 24px;
    line-height: 1.5;
}

.cta-desc {
    font-size: 16px;
    line-height: 2.0;
    color: var(--color-text-light);
    margin-bottom: 40px;
}

.cta-support-text {
    font-family: var(--font-serif);
    font-size: 14px;
    color: var(--color-text-charcoal);
    letter-spacing: 0.15em;
    margin-bottom: 24px;
    opacity: 0.8;
}

.cta-btn {
    font-size: 16px;
}

.cta-note {
    font-size: 12px;
    color: var(--color-text-light);
    margin-top: 24px;
    letter-spacing: 0.05em;
}

/* 7. NEWS Section */
.news-section {
    background-color: #FFFFFF;
    padding: 120px 0;
}

.news-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 900px;
    border-top: 1px solid rgba(42, 42, 42, 0.1);
}

.news-item {
    border-bottom: 1px solid rgba(42, 42, 42, 0.1);
}

.news-item a {
    display: flex;
    align-items: baseline;
    padding: 32px 16px;
    text-decoration: none;
    transition: background-color 0.4s ease;
}

.news-item a:hover {
    background-color: var(--color-base-ecru);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    width: 240px;
    flex-shrink: 0;
}

.news-date {
    font-family: "Cinzel", var(--font-serif);
    color: var(--color-text-charcoal);
    font-size: 15px;
    letter-spacing: 0.05em;
}

.news-category {
    font-size: 11px;
    color: var(--color-accent-gold);
    border: 1px solid var(--color-accent-gold);
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.news-title {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--color-text-charcoal);
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: 0.05em;
    margin: 0;
}

/* 8. Journal Section */
.journal-section {
    background-color: var(--color-base-sand);
    padding: 120px 0;
}

.journal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.journal-card a {
    text-decoration: none;
    display: block;
}

.journal-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    margin-bottom: 24px;
}

.journal-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.journal-card:hover .journal-thumb img {
    transform: scale(1.03);
}

.journal-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.journal-date {
    font-family: "Cinzel", var(--font-serif);
    color: var(--color-text-light);
    font-size: 14px;
    letter-spacing: 0.05em;
}

.journal-category {
    font-size: 11px;
    color: var(--color-accent-gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.journal-title {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--color-text-charcoal);
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Animations */
.fade-in-hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {

    .painpoints-grid,
    .columns-grid,
    .services-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .story-layout {
        flex-direction: column;
        text-align: left;
        /* 左揃えをキープしつつモバイル対応 */
    }

    .story-image-col {
        flex: 0 0 auto;
        width: 80%;
        margin: 0 auto 32px auto;
    }

    .story-text-col {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
        /* ゆとりを持たせる */
    }

    /* 基本テキストの視認性確保 (16pxを下回らない) */
    body,
    p,
    .service-desc,
    .news-title,
    .journal-title,
    .cta-desc {
        font-size: 16px !important;
        line-height: 2.0;
    }

    .hero-content {
        padding-top: 140px;
        /* ロゴとタグラインが被らないよう十分な余白を確保 */
    }

    .hero-copy {
        font-size: 32px;
        margin-bottom: 24px;
    }

    .hero-tagline {
        font-size: 13px;
        margin-bottom: 16px;
    }

    .subcopy-section {
        padding: 80px 0 40px;
    }

    .subcopy-text {
        font-size: 15px;
        line-height: 2.0;
        text-align: left;
        /* スマホでは左揃えのが読みやすい */
    }

    /* Company Section Mobile */
    .company-row {
        flex-direction: column;
        padding: 24px 0;
    }

    .company-row dt {
        width: 100%;
        margin-bottom: 12px;
        font-size: 15px;
    }

    .company-row dd {
        font-size: 15px;
    }

    .main-nav {
        display: none;
        /* In a real app, implement hamburger menu */
    }

    .painpoints-grid,
    .columns-grid,
    .services-summary-grid {
        grid-template-columns: 1fr;
    }

    .promise-item {
        flex-direction: column;
    }

    .promise-number {
        margin-bottom: 16px;
        margin-right: 0;
    }

    .story-image-col {
        width: 100%;
    }

    .pricing-table-container {
        overflow-x: auto;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 24px 16px;
        font-size: 13px;
    }

    .service-name,
    .service-price {
        font-size: 14px;
    }

    .cta-section {
        padding: 80px 0;
    }

    .cta-title {
        font-size: 24px;
    }

    /* ボタンのタップ領域拡大 (Mobile) */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 18px 24px;
        font-size: 16px;
    }
}

/* Footer */
.site-footer {
    background-color: var(--color-base-ecru);
    padding: 80px 0 40px;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    width: 100%;
}

.footer-left {
    text-align: left;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    font-family: "Cinzel", var(--font-serif);
    font-size: 24px;
    letter-spacing: 0.1em;
    color: var(--color-text-charcoal);
}

.footer-logo-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
    flex-shrink: 0;
}

.copyright {
    font-size: 11px;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
}

.footer-sns {
    display: flex;
    gap: 28px;
    align-items: center;
}

.sns-icon {
    color: var(--color-text-charcoal);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sns-icon svg {
    width: 100%;
    height: 100%;
}

/* Animations (Intersection Observer) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform, opacity;
}

/* When element comes into view */
.is-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Stagger Effects */
.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

.delay-500 {
    transition-delay: 500ms;
}