/* ================================
   Benedek Lyre Japan - Stylesheet
   ================================ */

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

:root {
    /* カラーパレット - 優しく自然な色調 */
    --color-cream: #faf8f5;
    --color-beige: #f5f0e8;
    --color-sand: #e8e0d5;
    --color-gold: #b8a06a;
    --color-gold-dark: #9a8555;
    --color-green: #7a9a8a;
    --color-green-dark: #5a7a6a;
    --color-brown: #8b7355;
    --color-text: #4a4540;
    --color-text-light: #6a6560;
    --color-white: #ffffff;

    /* フォント */
    --font-serif: 'Shippori Mincho', serif;
    --font-sans: 'Zen Maru Gothic', sans-serif;

    /* サイズ */
    --header-height: 70px;

    /* タイポグラフィシステム */
    --font-size-hero: clamp(36px, 4vw, 54px);
    --font-size-section-title: 36px;
    --font-size-card-title: 24px;
    --font-size-lead: 24px;
    --font-size-body: 22px;
    --font-size-small: 18px;
    --font-size-cta: 22px;
}

html {
    scroll-behavior: smooth;
}


body {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: var(--font-size-body);
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-cream);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    color: var(--color-gold-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-green-dark);
}

/* 強調文字の改行防止 */
strong, em {
    white-space: normal;
}

/* モバイル専用改行（デスクトップでは非表示） */
.br-mobile {
    display: none;
}

/* ================================
   ヘッダー
   ================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-sand);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-sans);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.logo span {
    font-size: 0.85rem;
    color: var(--color-gold);
    margin-left: 8px;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

.nav a:hover {
    color: var(--color-gold);
}

.nav-contact {
    background: var(--color-gold);
    color: var(--color-white) !important;
    padding: 8px 20px;
    border-radius: 30px;
}

.nav-instagram {
    display: flex;
    align-items: center;
    color: var(--color-text-light);
    transition: color 0.3s ease;
}

.nav-instagram:hover {
    color: var(--color-gold);
}

.nav-note {
    display: flex;
    align-items: center;
    color: var(--color-text-light);
    transition: color 0.3s ease;
}

.nav-note:hover {
    color: var(--color-gold);
}

.nav-contact:hover {
    background: var(--color-gold-dark);
}

/* ハンバーガーメニュー */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* モバイルナビゲーション */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 248, 245, 0.98);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 30px;
}

.mobile-nav-links a {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    color: var(--color-text);
    letter-spacing: 0.1em;
    padding: 15px 30px;
    transition: color 0.3s ease;
}

.mobile-nav-links a:hover {
    color: var(--color-gold);
}

body.menu-open {
    overflow: hidden;
}

/* ================================
   ヒーローセクション
   ================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(250, 248, 245, 0.75);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-sub {
    font-size: 20px !important;
    color: #6b5a45;
    font-weight: 500;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-sans);
    font-size: var(--font-size-hero);
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--color-text);
}

.hero-title em {
    font-style: normal;
    color: var(--color-green-dark);
}

.hero-desc {
    font-size: var(--font-size-lead);
    line-height: 2;
    margin-bottom: 40px;
    color: var(--color-text-light);
    text-align: center;
    display: block;
}

/* CTAボタン */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-gold);
    color: var(--color-white);
    padding: 16px 36px;
    border-radius: 50px;
    font-size: var(--font-size-cta);
    font-weight: 400;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(184, 160, 106, 0.3);
}

.cta-button:hover {
    background: var(--color-gold-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(184, 160, 106, 0.4);
}

.cta-button.large {
    padding: 20px 50px;
    font-size: 24px !important;
}

.cta-button svg {
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: translateX(4px);
}

/* ================================
   共感セクション
   ================================ */
.empathy {
    padding: 100px 0;
    background: var(--color-white);
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: var(--font-size-lead);
    font-weight: 400;
    text-align: left;
    margin-bottom: 40px;
    color: var(--color-text);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.empathy-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto 40px;
}

.empathy-list li {
    position: relative;
    padding: 15px 0 15px 30px;
    border-bottom: 1px solid var(--color-sand);
    color: var(--color-text-light);
}

.empathy-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-green);
    border-radius: 50%;
}

.empathy-answer {
    text-align: left;
    font-family: var(--font-sans);
    font-size: var(--font-size-lead);
    line-height: 2;
    color: var(--color-green-dark);
    max-width: 600px;
    margin: 0 auto;
}

/* ================================
   ライアーとは
   ================================ */
.about {
    padding: 100px 0;
    background: var(--color-beige);
}

.section-title {
    font-family: var(--font-sans);
    font-size: var(--font-size-section-title);
    font-weight: 400;
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--color-gold);
    margin: 20px auto 0;
}

.about-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 0;
}

.about-image {
    flex: 0 0 40%;
    min-width: 0;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.image-placeholder {
    background: var(--color-sand);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    aspect-ratio: 3/4;
    border: 2px dashed var(--color-gold);
}

.image-placeholder.horizontal {
    aspect-ratio: 3/2;
}

.image-placeholder.square {
    aspect-ratio: 1/1;
}

.about-text .lead {
    font-size: var(--font-size-lead);
    margin-bottom: 25px;
    line-height: 2;
    text-align: left;
}

.about-text p {
    margin-bottom: 20px;
    text-align: left;
}

.about-text .highlight {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    color: var(--color-green-dark);
    margin-top: 30px;
}

.about-text .about-cta {
    font-family: var(--font-sans);
    font-size: var(--font-size-lead);
    color: var(--color-green);
    font-weight: 500;
    margin-top: 25px;
}

.about-text .about-note {
    margin-top: 20px;
}

.about-img {
    width: 100%;
    display: block;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.about-text strong {
    color: var(--color-gold-dark);
    font-weight: 500;
}

/* ================================
   音の体験
   ================================ */
.sound-experience {
    position: relative;
    padding: 120px 0;
    color: var(--color-white);
    overflow: hidden;
}

.sound-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.sound-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sound-overlay {
    position: absolute;
    inset: 0;
    background: rgba(90, 122, 106, 0.85);
    z-index: 1;
}

.sound-experience .container {
    position: relative;
    z-index: 2;
}

.sound-box {
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
}

.sound-quote {
    font-family: var(--font-sans);
    font-size: 2rem;
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: left;
}

.sound-text p {
    opacity: 0.9;
    line-height: 2;
    text-align: left;
}

/* ================================
   特徴セクション
   ================================ */
.features {
    padding: 100px 0;
    background: var(--color-white);
}

.section-lead {
    text-align: left;
    font-size: var(--font-size-lead);
    color: var(--color-text-light);
    margin-top: -40px;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-lead-heading {
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-size: 20px;
    letter-spacing: 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
    max-width: 100%;
    overflow: hidden;
    align-items: stretch;
}

.feature-card {
    text-align: left;
    padding: 40px 30px;
    background: var(--color-beige);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 0 25px;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-gold);
}

.feature-card-image {
    margin: -40px -30px 25px -30px;
    border-radius: 12px 12px 0 0;
    overflow: hidden;
    height: 180px;
}

.feature-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-card.no-image {
    padding-top: 100px;
}

.feature-card.no-image .feature-icon {
    margin-bottom: 25px;
}

.feature-card h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    font-weight: 400;
    margin-bottom: 15px;
    color: var(--color-text);
    text-align: left;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.feature-card p {
    font-size: var(--font-size-body);
    line-height: 1.9;
    color: var(--color-text-light);
    text-align: left;
    word-break: keep-all;
    overflow-wrap: break-word;
    flex-grow: 1;
}

.feature-card strong {
    color: var(--color-green-dark);
}

.feature-image-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.feature-image {
    text-align: center;
}

.image-caption {
    margin-top: 15px;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.feature-img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.feature-image-full {
    text-align: center;
    margin-bottom: 60px;
}

.feature-img-large {
    max-width: 500px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

/* 職人の想いメッセージ */
.craftsman-message {
    text-align: left;
    padding: 60px 40px;
    margin-top: 40px;
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.08) 0%, rgba(168, 136, 94, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(139, 115, 85, 0.15);
}

.craftsman-message p {
    font-family: var(--font-sans);
    font-size: var(--font-size-body);
    line-height: 2;
    margin-bottom: 15px;
    color: var(--color-text);
    text-align: left;
}

.craftsman-lead {
    font-size: var(--font-size-lead) !important;
    font-weight: 500;
}

.craftsman-lead strong {
    color: var(--color-gold-dark);
    font-weight: 500;
}

.craftsman-limited {
    margin-top: 10px;
}

.craftsman-limited em {
    font-style: normal;
    font-size: var(--font-size-lead);
    color: var(--color-green-dark);
    font-weight: 500;
}

.cta-center {
    text-align: center;
    padding-top: 20px;
}

.cta-lead {
    margin-bottom: 20px;
    color: var(--color-text-light);
}

/* ================================
   ギャラリー
   ================================ */
.gallery-section {
    padding: 80px 0;
    background: var(--color-white);
}

.gallery-grid {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

.gallery-item {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.gallery-caption {
    margin-top: 20px;
    font-family: var(--font-sans);
    font-size: var(--font-size-body);
    color: var(--color-text-light);
}

@media (max-width: 700px) {
    .gallery-grid {
        flex-direction: column;
    }
}

/* ================================
   ターゲット層
   ================================ */
.target {
    padding: 100px 0;
    background: var(--color-beige);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.target-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--color-white);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.target-item:hover {
    transform: translateY(-5px);
}

.target-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 15px;
}

.target-item p {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

/* ================================
   サポート
   ================================ */
.support {
    padding: 100px 0;
    background: var(--color-white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.support-card {
    padding: 40px 30px;
    background: var(--color-cream);
    border-radius: 12px;
    border: 1px solid var(--color-sand);
}

.support-card h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--color-gold-dark);
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-sand);
}

.support-card ul {
    list-style: none;
}

.support-card li {
    position: relative;
    padding: 8px 0 8px 20px;
    font-size: var(--font-size-body);
    color: var(--color-text-light);
}

.support-card li::before {
    content: '・';
    position: absolute;
    left: 0;
    color: var(--color-green);
}

.support-note {
    text-align: left;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    line-height: 2;
    max-width: 600px;
    margin: 0 auto;
}

/* アクセサリー（キャリーバッグ） */
.accessory {
    margin: 50px 0;
    padding: 40px;
    background: var(--color-beige);
    border-radius: 16px;
}

.accessory-content {
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.accessory-image {
    flex-shrink: 0;
    width: 280px;
}

.accessory-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.accessory-text h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    font-weight: 400;
    margin-bottom: 15px;
    color: var(--color-text);
}

.accessory-text p {
    font-size: var(--font-size-body);
    line-height: 1.9;
    color: var(--color-text-light);
}

@media (max-width: 700px) {
    .accessory-content {
        flex-direction: column;
        text-align: center;
    }

    .accessory-image {
        width: 100%;
        max-width: 300px;
    }
}

/* ================================
   工房紹介
   ================================ */
.workshop {
    padding: 100px 0;
    background: var(--color-sand);
}

.workshop-content {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 800px;
    margin: 0 auto;
}

.workshop-image {
    flex-shrink: 0;
    width: 200px;
}

.workshop-text h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    font-weight: 400;
    margin-bottom: 8px;
    color: var(--color-text);
}

.workshop-location {
    font-size: var(--font-size-small);
    color: var(--color-gold);
    margin-bottom: 20px;
}

.workshop-text p {
    line-height: 2;
    color: var(--color-text-light);
    text-align: left;
}

.workshop-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.workshop-text-full {
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
}

.workshop-text-full h3 {
    font-family: var(--font-sans);
    font-size: var(--font-size-section-title);
    font-weight: 400;
    margin-bottom: 10px;
    color: var(--color-text);
}

.workshop-link {
    margin-top: 25px;
    text-align: center;
}

.workshop-link a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--color-gold);
    color: var(--color-white);
    padding: 16px 36px;
    border-radius: 50px;
    font-size: var(--font-size-cta);
    font-weight: 400;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(184, 160, 106, 0.3);
}

.workshop-link a:hover {
    background: var(--color-gold-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(184, 160, 106, 0.4);
}

.workshop-info {
    margin: 40px 0;
    padding: 30px;
    background: var(--color-cream);
    border-radius: 12px;
    text-align: left;
}

.workshop-info h4 {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    font-weight: 400;
    margin-bottom: 20px;
    color: var(--color-text);
    text-align: center;
}

.workshop-details {
    display: grid;
    gap: 15px;
}

.workshop-details dt {
    font-weight: 500;
    color: var(--color-gold-dark);
    font-size: var(--font-size-small);
    margin-bottom: 5px;
}

.workshop-details dd {
    margin: 0 0 15px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-sand);
    line-height: 1.8;
}

.workshop-details dd:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.workshop-details small {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

/* 保証セクション */
.guarantee {
    padding: 80px 0;
    background: var(--color-cream);
}

.guarantee-subtitle {
    text-align: center;
    font-size: var(--font-size-body);
    color: var(--color-gold);
    margin-top: -40px;
    margin-bottom: 40px;
}

.guarantee-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.guarantee-content > p {
    margin-bottom: 30px;
    color: var(--color-text-light);
}

.guarantee-list {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.guarantee-list li {
    padding: 20px 25px;
    margin-bottom: 15px;
    background: var(--color-white);
    border-radius: 8px;
    border-left: 4px solid var(--color-gold);
}

.guarantee-list li strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 8px;
}

.guarantee-note {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

/* ================================
   お問い合わせ
   ================================ */
.contact {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-beige) 0%, var(--color-cream) 100%);
}

.contact-lead {
    text-align: left;
    font-size: 22px !important;
    line-height: 2;
    margin-top: -40px;
    margin-bottom: 20px;
    color: var(--color-text-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-highlight {
    text-align: center;
    font-family: var(--font-sans);
    font-size: 24px !important;
    font-weight: 500;
    color: #c94a4a;
    margin-bottom: 50px;
}

.contact-box {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 50px 40px;
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
}

.contact-photo {
    margin-bottom: 25px;
}

.contact-img {
    max-width: 160px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-name {
    font-size: 22px !important;
    margin-bottom: 30px;
    color: var(--color-text);
}

.contact-box .cta-button {
    margin-bottom: 30px;
}

.contact-info {
    margin-bottom: 25px;
}

.contact-info p {
    margin: 10px 0;
}

.contact-info .label {
    display: inline-block;
    width: 60px;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.contact-info a {
    font-size: var(--font-size-body);
}

.contact-note {
    font-size: 22px !important;
    color: var(--color-text-light);
    line-height: 2;
    text-align: left;
}

/* ================================
   フッター
   ================================ */
.footer {
    padding: 50px 0;
    background: var(--color-text);
    color: var(--color-sand);
    text-align: center;
}

.footer-brand {
    font-family: var(--font-sans);
    font-size: var(--font-size-card-title);
    margin-bottom: 10px;
}

.footer-desc {
    font-size: var(--font-size-small);
    opacity: 0.7;
    margin-bottom: 20px;
}

.footer-copy {
    font-size: var(--font-size-small);
    opacity: 0.5;
}

.footer-credit {
    font-size: 12px;
    opacity: 0.35;
    margin-top: 10px;
}

.footer-credit a {
    color: var(--color-sand);
    text-decoration: none;
}

.footer-credit a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* ================================
   トップへ戻るボタン
   ================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-gold);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(184, 160, 106, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--color-gold-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(184, 160, 106, 0.5);
}

.scroll-top svg {
    stroke: currentColor;
}

/* ================================
   レスポンシブ
   ================================ */
@media (max-width: 900px) {
    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .about-content {
        flex-direction: column;
        gap: 40px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .feature-image-section {
        grid-template-columns: 1fr;
    }

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

    .support-grid {
        grid-template-columns: 1fr;
    }

    .workshop-content {
        flex-direction: column;
        text-align: left;
    }

    /* セクションのパディング調整 */
    .empathy,
    .about,
    .features,
    .target,
    .support,
    .workshop,
    .contact {
        padding: 80px 0;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .sound-experience {
        padding: 80px 0;
    }

}

@media (max-width: 600px) {
    /* ページ全体の横スクロール防止 */
    html {
        overflow-x: hidden;
    }

    body {
        overflow-x: hidden;
        max-width: 100vw;
        width: 100%;
        word-break: normal;
    }

    /* 日本語の禁則処理（句読点が行頭に来ないようにする） */
    * {
        line-break: strict;
        overflow-wrap: break-word;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* コンテナの幅制限 */
    .container {
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }

    /* 強調文字の改行を許可（モバイルではnowrapを解除） */
    strong, em {
        white-space: normal;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + 20px);
        padding-bottom: 60px;
        overflow-x: hidden;
    }

    .hero-content {
        padding: 30px 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-sub {
        margin-bottom: 15px;
    }

    .hero-title {
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .hero-desc {
        line-height: 1.9;
        text-align: center;
        margin-bottom: 30px;
    }

    .section-title {
        margin-bottom: 30px;
    }

    .section-lead,
    .section-subtitle,
    .empathy-answer,
    .contact-lead,
    .support-note,
    .empathy-list {
        max-width: 100%;
        padding: 0 5px;
    }

    .section-lead {
        margin-top: -20px;
        margin-bottom: 40px;
    }

    .section-lead-heading {
        white-space: normal !important;
        font-size: 15px !important;
    }

    /* モバイル用フォントサイズ直接指定 */
    .section-title {
        font-size: 26px !important;
    }

    .section-title::after {
        margin: 15px auto 0;
    }

    .feature-card h3,
    .support-card h3,
    .accessory-text h3,
    .workshop-text h3,
    .workshop-text-full h3 {
        font-size: 20px !important;
    }

    .section-lead,
    .section-subtitle,
    .empathy-answer,
    .about-text .lead,
    .contact-lead {
        font-size: 16px !important;
    }

    .about-text p,
    .feature-card p,
    .craftsman-message p,
    .sound-text p,
    .support-card li,
    .workshop-text p,
    .accessory-text p,
    .contact-note {
        font-size: 15px !important;
    }

    .sound-quote {
        font-size: 1.4rem !important;
    }

    .hero-desc {
        font-size: 16px !important;
    }

    .empathy-list li,
    .target-item p,
    .support-note,
    .footer-desc,
    .footer-copy,
    .gallery-caption,
    .image-caption {
        font-size: 14px !important;
    }

    .cta-button {
        font-size: 16px !important;
    }

    .cta-button.large {
        font-size: 18px !important;
    }

    /* 共感セクション */
    .empathy {
        padding: 60px 0;
    }

    .section-subtitle {
        margin-bottom: 30px;
    }

    .empathy-list {
        margin-bottom: 30px;
    }

    .empathy-list li {
        padding: 12px 0 12px 25px;
    }

    /* ライアーとはセクション */
    .about {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .about .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .about-content {
        gap: 30px;
        width: 100%;
    }

    .about-image {
        max-width: 280px;
        margin: 0 auto;
    }

    .about-img {
        width: 100%;
        height: auto;
    }

    .about-text {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }


    .about-text strong {
        white-space: normal;
        display: inline;
    }

    /* 音の体験 */
    .sound-experience {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .sound-experience .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .sound-quote {
        margin-bottom: 20px;
    }

    /* 特徴セクション */
    .features {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .features .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .feature-grid {
        gap: 20px;
        padding: 0;
        width: 100%;
    }

    .feature-card {
        padding: 25px 18px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
    }

    .feature-card p {
        overflow-wrap: break-word;
        word-wrap: break-word;
    }

    .feature-card.no-image {
        padding: 30px 18px;
    }

    .feature-card-image {
        margin: -25px -18px 20px -18px;
        height: 160px;
    }

    /* 職人メッセージ */
    .craftsman-message {
        padding: 35px 18px;
        margin-top: 30px;
    }


    /* ギャラリー */
    .gallery-section {
        padding: 50px 0;
    }

    .gallery-item img {
        height: 200px;
    }

    .gallery-caption {
        margin-top: 15px;
    }

    /* ターゲット層 */
    .target {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .target .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .target-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        width: 100%;
        max-width: 100%;
    }

    .target-item {
        padding: 20px 15px;
        max-width: 100%;
        box-sizing: border-box;
    }

    .target-icon {
        font-size: var(--font-size-section-title);
        margin-bottom: 10px;
    }


    /* サポート */
    .support {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .support .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .support-card {
        padding: 30px 20px;
        max-width: 100%;
        box-sizing: border-box;
    }


    /* 工房 */
    .workshop {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .workshop .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .workshop-content {
        width: 100%;
        max-width: 100%;
    }

    .workshop-text-full {
        width: 100%;
        max-width: 100%;
    }


    /* お問い合わせ */
    .contact {
        padding: 60px 0;
        overflow-x: hidden;
    }

    .contact .container {
        overflow: hidden;
        padding: 0 15px;
    }

    .contact-lead {
        margin-top: -20px;
        margin-bottom: 15px;
    }

    .contact-highlight {
        margin-bottom: 35px;
    }

    .contact-box {
        padding: 35px 20px;
    }

    .contact-img {
        max-width: 140px;
    }

    .contact-name {
        margin-bottom: 25px;
    }

    /* CTAボタン */
    .cta-button {
        padding: 12px 24px;
    }

    .cta-button.large {
        padding: 16px 32px;
    }

    .cta-center {
        padding-top: 10px;
    }


    /* フッター */
    .footer {
        padding: 40px 0;
    }


    /* トップへ戻るボタン */
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    /* レスポンシブ改行：モバイルでは非表示 */
    .br-desktop {
        display: none;
    }

    /* レスポンシブ改行：モバイルでのみ表示 */
    .br-mobile {
        display: inline;
    }
}