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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #121212;
}

/* ヘッダー */
header {
    background: transparent;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
    color: white;
    position: relative;
    overflow: hidden;
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 140%;
    transform: translateZ(0);
    will-change: transform;
    z-index: -1;
    overflow: hidden;
    background-color: transparent;
}

.header-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: fadeIn 1.2s ease-out forwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.header-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(18, 18, 18, 0.3), rgba(18, 18, 18, 0.95));
    pointer-events: none;
    z-index: 1;
}

.header-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(18, 18, 18, clamp(0.2, var(--scroll-opacity) * 1.2, 0.9)),
        rgba(18, 18, 18, clamp(0.85, var(--scroll-opacity) * 1.5, 1)) 85%
    );
    pointer-events: none;
    z-index: 1;
}

/* スクロール時のヘッダー背景のアニメーション用クラス */
.header-scroll {
    transform: translateY(-10%);
    opacity: 0.7;
}

.header-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin-left: 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 0;
}

.header-title {
    font-size: 4rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: 0;
    white-space: nowrap;
    display: inline-block;
}

@media (max-width: 768px) {
    .header-title {
        font-size: min(12vw, 4rem);
    }
}

.header-title span {
    display: inline-block;
}

/* 個別の文字間隔調整 */
.header-title .s { margin-right: -0.05em; }
.header-title .o { margin-right: -0.02em; }
.header-title .u { margin-right: -0.03em; }
.header-title .n { margin-right: -0.02em; }
.header-title .d { margin-right: 0.02em; }
.header-title .c { margin-right: -0.04em; }
.header-title .a { margin-right: -0.03em; }
.header-title .s2 { margin-right: -0.05em; }
.header-title .t { margin-right: 0.02em; }
.header-title .space { margin-right: 0.2em; }
.header-title .l { margin-right: -0.02em; }
.header-title .a2 { margin-right: -0.03em; }
.header-title .b { margin-right: -0.02em; }
.header-title .tm {
    font-size: 0.5em;
    vertical-align: super;
    margin-left: -0.2em;
} 

.header-content p, .header-content .sub-catch, .header-content .cta-button {
    margin-left: 0.2em;
}

.header-content .cta-button {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #1DB954;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

.header-content h1 .lab {
    letter-spacing: 0.05em;
}

.header-content p {
    font-size: min(4vw, 1.8rem);
    margin-bottom: min(2vw, 1.5rem);
    letter-spacing: 0.02em;
    font-weight: 400;
    color: #fff;
}

.sub-catch {
    font-size: min(3.5vw, 1.5rem);
    margin-bottom: min(6vw, 2.5rem);
    font-weight: 500;
    letter-spacing: 0.02em;
    color: #fff;
    opacity: 0.9;
}

.sub-catch span, .voice-future span {
    display: inline-block;
}

/* 日本語キャッチフレーズのカーニング */
.sub-catch .koe { margin-right: 0.1em; }
.sub-catch .de { margin-right: 0.1em; }
.sub-catch .mirai { margin-right: 0.1em; }
.sub-catch .wo { margin-right: 0.1em; }
.sub-catch .tsukuru { margin-right: -0.1em; }

/* 英語キャッチフレーズのカーニング */
.voice-future .v { margin-right: -0.02em; }
.voice-future .o { margin-right: -0.03em; }
.voice-future .i { margin-right: -0.02em; }
.voice-future .c { margin-right: -0.03em; }
.voice-future .e { margin-right: 0.15em; }
.voice-future .f { margin-right: -0.02em; }
.voice-future .o2 { margin-right: -0.03em; }
.voice-future .r { margin-right: 0.15em; }
.voice-future .t { margin-right: -0.02em; }
.voice-future .h { margin-right: -0.02em; }
.voice-future .e2 { margin-right: 0.15em; }
.voice-future .f2 { margin-right: -0.02em; }
.voice-future .u { margin-right: -0.02em; }
.voice-future .t2 { margin-right: -0.02em; }
.voice-future .u2 { margin-right: -0.02em; }
.voice-future .r2 { margin-right: -0.02em; }
.voice-future .e3 { margin-right: -0.02em; }

@media (min-width: 1200px) {
    .header-content {
        padding-left: 2rem;
    }

    .header-content h1 {
        font-size: clamp(4rem, 10vw, 6rem);
    }

    .header-content p {
        font-size: 2rem;
    }

    .sub-catch {
        font-size: 1.8rem;
    }
}

@media (min-width: 1600px) {
    .header-content {
        padding-left: 2rem;
    }

    .header-content h1 {
        font-size: clamp(5rem, 12vw, 7rem);
    }

    .header-content p {
        font-size: 2.5rem;
    }

    .sub-catch {
        font-size: 2rem;
    }
}

/* アニメーション効果 */
@keyframes slideIn {
    from {
        transform: translateX(-100px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.header-content h1,
.header-content p,
.sub-catch {
    animation: slideIn 1s ease-out forwards;
}

.header-content p {
    animation-delay: 0.2s;
}

.sub-catch {
    animation-delay: 0.4s;
}

/* メリエーション1: よりコントラストをつけたサイズ */
.header-content.variation1 h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.15em;
}

.header-content.variation1 p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    letter-spacing: 0.1em;
}

/* バリエーション2: より近いサイズ感 */
.header-content.variation2 h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.header-content.variation2 p {
    font-size: 2rem;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

/* バリエーション3: モダンなプロポーション */
.header-content.variation3 h1 {
    font-size: 3.8rem;
    margin-bottom: 0.8rem;
    letter-spacing: 0.2em;
    font-weight: 300;
}

.header-content.variation3 p {
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
    letter-spacing: 0.1em;
    font-weight: 300;
}

@media (max-width: 768px) {
    .header-content {
        margin-left: 1.5rem;
        padding: 0;
    }

    .header-content h1 {
        font-size: min(12vw, 2.8rem);
        line-height: 1.2;
        margin-bottom: 1rem;
        text-align: left;
    }

    .header-content .main-catch {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
        letter-spacing: -0.02em;
        font-weight: 500;
        opacity: 0.9;
    }

    .header-content .catch-copy {
        font-size: 2.4rem;
        margin-bottom: 2rem;
        letter-spacing: -0.02em;
        font-weight: 700;
        opacity: 0.85;
    }

    .header-content p {
        font-size: min(5vw, 1.2rem);
        line-height: 1.6;
        margin-bottom: 0.8rem;
        text-align: left;
    }

    .header-content .sub-catch {
        font-size: min(5vw, 1.2rem);
        margin-bottom: 1.5rem;
        text-align: left;
    }

    .header-content .cta-button {
        padding: 0.8rem 1.8rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        margin-left: 1rem;
        padding: 0;
    }

    .header-content h1 {
        font-size: min(12vw, 2.8rem);
    }

    .header-content .main-catch {
        font-size: min(5vw, 1.2rem);
        line-height: 1.6;
        margin-bottom: 0.2rem;
    }

    .header-content .catch-copy {
        font-size: min(10vw, 2rem);
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }

    .header-content p,
    .header-content .sub-catch {
        font-size: min(5vw, 1.1rem);
    }

    .header-content .catch-copy {
        font-size: min(10vw, 1.8rem);
    }
}

/* メッセージセクション */
.message {
    padding: 5rem 2rem;
    background-color: #121212;
}

.message-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
    padding: 0 2rem;
}

.message-content h2 {
    font-size: 3.5rem;
    margin-bottom: 3rem;
    color: #fff;
    text-align: center;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: normal;
    line-height: 1.2;
}

.message-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #fff;
    opacity: 0.9;
    text-align: left;
    margin-bottom: 2rem;
    max-width: 100%;
}

.concept-image {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding: 0 2rem;
}

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

/* サービス概要 */
.service {
    padding: 5rem 2rem;
    background-color: #121212;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card i {
    font-size: 2rem;
    color: #1DB954;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: #fff;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.service-card p {
    color: #fff;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-top: auto;
}

/* 事例セクション */
.cases {
    padding: 5rem 2rem;
    background-color: #121212;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (min-width: 1200px) {
    .case-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.8rem;
    }
}

@media (max-width: 768px) {
    .case-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }
}

.case-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-card h3 {
    color: #fff;
    letter-spacing: 0.02em;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.case-card h4 {
    color: #fff;
    letter-spacing: 0.02em;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
    font-size: 1.1rem;
}

.case-card p {
    color: #fff;
    opacity: 0.9;
    margin-bottom: 0.6rem;
    font-size: 1rem;
    line-height: 1.5;
    flex-grow: 1;
}

.case-card .testimonial {
    margin-bottom: 1rem;
    font-style: italic;
    opacity: 0.85;
}

.case-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-top: auto;
}

/* FAQセク���ョン */
.faq {
    padding: 5rem 2rem;
    background-color: #121212;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.faq-item h3 {
    color: #fff;
    letter-spacing: 0.02em;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.faq-item p {
    color: #fff;
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.5;
}

/* チームセクション */
.team {
    padding: 5rem 2rem;
    background-color: #121212;
}

.team .section-description {
    max-width: 1200px;
    margin: 0 auto 4rem;
    text-align: center;
    color: #fff;
    opacity: 0.9;
    line-height: 1.8;
    font-size: 1.1rem;
    padding: 0 2rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (min-width: 1200px) {
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.2rem;
    }
}

.team-member {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 160px;
}

.team-member h3 {
    color: #fff;
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.team-member p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    letter-spacing: 0.01em;
}

.team-image {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding: 0 2rem;
}

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

/* 共通スタイル */
.section-title {
    text-align: left;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.02em;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
}

/* ボタン共通スタイル */
.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
    background-color: #1DB954;
    color: white;
    border: none;
    border-radius: 500px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.1em;
    font-weight: 700;
    text-transform: uppercase;
    gap: 0.8rem;
}

.cta-button i {
    font-size: 0.8em;
    margin-top: 1px;
}

@media (max-width: 768px) {
    .cta-button {
        padding: 1rem 2.5rem;
        font-size: 1rem;
        gap: 0.6rem;
    }
}

@media (max-width: 480px) {
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
        gap: 0.5rem;
    }
}

.cta-button:hover {
    background-color: #1ed760;
    transform: scale(1.04);
}

.submit-button {
    width: 100%;
    padding: 1.2rem 2rem;
    font-size: 1.2rem;
    background-color: #1DB954;
    color: white;
    border: none;
    border-radius: 500px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.1em;
    font-weight: 700;
    text-transform: uppercase;
}

.submit-button:hover {
    background-color: #1ed760;
    transform: scale(1.02);
}

/* フッター */
footer {
    background-color: #121212;
    color: #fff;
    text-align: center;
    padding: 2rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1rem;
    opacity: 0.9;
}

footer p {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin-bottom: 1rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .header-content h1 {
        font-size: 2.5rem;
    }

    .header-content p {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
        text-align: center;
    }

    .message-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
        text-align: center;
    }

    .message-content h2 {
        font-size: 1.8rem;
    }
}

/* サンプルボスセクション */
.sample-voice {
    padding: 5rem 2rem;
    background-color: #121212;
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    aspect-ratio: 16/9;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.sample-image {
    max-width: 800px;
    margin: 2rem auto 0;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.sample-image:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.sample-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* お問い合わせセクション */
.contact {
    padding: 5rem 2rem;
    background-color: #121212;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.google-form-container {
    background: #282828;
    padding: 3rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.google-form-container iframe {
    width: 100%;
    border: none;
    height: 959px;
    overflow-y: hidden;
}

@media (max-width: 768px) {
    .google-form-container {
        padding: 1rem;
        margin: 0 -1rem;
        border-radius: 0;
        box-shadow: none;
    }

    .contact-container {
        width: 100%;
        padding: 0;
    }

    .google-form-container iframe {
        width: 100% !important;
        min-width: 100%;
    }
}

html {
    scroll-behavior: smooth; /* スムーズスクロール効化 */
}

.scroll-icon {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 3rem;
    cursor: pointer;
    animation: bounce 2s infinite;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.scroll-icon:hover {
    opacity: 1;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-20px);
    }
    60% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ハンバーガーメニュー */
.hamburger {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hamburger:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.05);
}

.hamburger i {
    color: white;
    font-size: 1.5rem;
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -250px;
    width: 250px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 80px 30px 30px;
    transition: right 0.3s ease;
    z-index: 999;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.nav-menu ul {
    list-style: none;
    padding: 0;
}

.nav-menu li {
    margin-bottom: 20px;
    opacity: 0.8;
    transition: all 0.4s ease;
}

.nav-menu li:hover {
    opacity: 1;
    transform: translateX(8px);
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.9;
    letter-spacing: 0.02em;
}

.nav-menu a:hover {
    opacity: 1;
}

.nav-menu i {
    color: #1DB954;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* モーダル関連のスタイル */
.service-modal, .case-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1001;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-modal.show, .case-modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal-content {
    max-width: 90%;
    max-height: 90vh;
    background: #282828;
    padding: 3rem;
    border-radius: 8px;
    cursor: default;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    overflow-y: auto;
    color: #fff;
}

.service-modal.show .modal-content,
.case-modal.show .modal-content {
}

.modal-close {
    position: fixed;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.modal-close:hover {
    opacity: 1;
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.modal-title i {
    color: #1DB954;
    font-size: 1.6rem;
}

.modal-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #fff;
    opacity: 0.9;
    margin-bottom: 2rem;
    white-space: pre-line;
}

.modal-features {
    list-style: none;
    padding: 0;
}

.modal-features li {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    position: relative;
    white-space: pre-line;
    color: #fff;
    opacity: 0.9;
}

.modal-features li strong {
    display: block;
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    margin-left: -1.5rem;
    opacity: 1;
}

.modal-features li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #ff6b6b;
}

/* 画像モーダル用スタイル */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1001;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal-image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    transform: scale(0.95);
    transition: transform 0.3s ease;
    border-radius: 10px;
}

.image-modal.show .modal-image {
    transform: scale(1);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-links a {
    color: #fff;
    font-size: 1.2rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #1DB954;
    opacity: 1;
    transform: translateY(-2px);
}

/* モーダル共通スタイル */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.modal-content {
    background-color: #1a1a1a;
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    border-radius: 12px;
    position: relative;
    color: #fff;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #fff;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.modal p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.modal-content h4 {
    font-size: 1.2rem;
    margin: 2rem 0 1rem;
    color: #1DB954;
}

.modal-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.modal-content li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.modal-content li:before {
    content: "•";
    color: #1DB954;
    position: absolute;
    left: 0;
}

/* SNSリンク */
.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.social-links a {
    color: #fff;
    font-size: 1.2rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #1DB954;
    opacity: 1;
    transform: translateY(-2px);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .modal-content {
        padding: 20px;
        margin: 20px;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-description {
        font-size: 1rem;
    }

    .modal-features li {
        font-size: 0.9rem;
    }

    .modal-features li strong {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        padding: 15px;
        margin: 10px;
    }

    .modal-title {
        font-size: 1.3rem;
    }

    .modal-description {
        font-size: 0.9rem;
    }

    .modal-features li {
        font-size: 0.8rem;
    }

    .modal-features li strong {
        font-size: 1rem;
    }

    .social-links {
        gap: 1rem;
    }

    .social-links a {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .team-member {
        padding: 2rem 1.5rem;
        min-height: 140px;
    }

    .team-member h3 {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }

    .team-member p {
        font-size: 0.9rem;
    }
}

.service-summary {
    max-width: 1200px;
    margin: 0 auto 4rem;
    padding: 0 2rem;
    text-align: left;
}

.service-summary h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.4;
}

.service-summary p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #fff;
    opacity: 0.9;
    margin-bottom: 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* サービスセクション */
.services {
    padding: 5rem 2rem;
    background-color: #121212;
}

/* サンプルセクション */
.samples {
    padding: 5rem 2rem;
    background-color: #121212;
}

/* 事例セクション */
.cases {
    padding: 5rem 2rem;
    background-color: #121212;
}

/* FAQセクション */
.faq {
    padding: 5rem 2rem;
    background-color: #121212;
}

/* チームセクション */
.team {
    padding: 5rem 2rem;
    background-color: #121212;
}

/* お問い合わせセクション */
.contact {
    padding: 5rem 2rem;
    background-color: #121212;
}

/* コンセプトセクション */
.concept {
    padding: 5rem 2rem;
    background-color: #121212;
}

.concept-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.concept-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* 共通のセクションスタイル */
section {
    width: 100%;
    overflow: hidden;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* レスポンシブ対応 */
@media (min-width: 1600px) {
    .header-content h1 {
        font-size: clamp(5rem, 12vw, 7rem);
    }
}

@media (min-width: 1200px) {
    .header-content h1 {
        font-size: clamp(4rem, 10vw, 6rem);
    }

    .case-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.8rem;
    }

    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 769px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 4rem 1rem !important;
    }

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

    .header-content {
        margin-left: 1.5rem;
        padding: 0;
    }

    .header-content h1 {
        font-size: min(12vw, 2.8rem);
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .header-content .main-catch {
        font-size: min(5vw, 1.3rem);
        line-height: 1.6;
        margin-bottom: 0.2rem;
    }

    .header-content .catch-copy {
        font-size: min(7vw, 1.8rem);
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }

    .header-content .cta-button {
        padding: 0.8rem 1.8rem;
    }

    /* グリッドレイアウトの調整 */
    .service-grid,
    .case-grid,
    .team-grid {
        padding: 0 1rem;
        gap: 1rem;
        grid-template-columns: 1fr;
    }

    /* カードの調整 */
    .service-card,
    .case-card,
    .team-member,
    .faq-item {
        width: 100%;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    section {
        padding: 3rem 0.8rem !important;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .header-content {
        margin-left: 1rem;
        padding: 0;
    }

    .header-content h1 {
        font-size: min(12vw, 2.8rem);
    }

    .header-content .main-catch {
        font-size: min(5vw, 1.2rem);
    }

    .header-content .catch-copy {
        font-size: min(7vw, 1.6rem);
    }

    .header-content .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .service-card,
    .case-card,
    .team-member,
    .faq-item {
        padding: 1.5rem;
    }
}

/* 既存のグリッドレイアウトの調整 */
.service-grid,
.case-grid,
.team-grid {
    display: grid;
    gap: 1.5rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 769px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .case-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* カードの基本スタイル */
.service-card,
.case-card,
.team-member,
.faq-item {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* グリッドレイアウトの共通設定 */
.service-grid,
.case-grid,
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* デスクトップレイアウト */
@media (min-width: 960px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .case-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* タブレットレイアウト */
@media (min-width: 600px) and (max-width: 959px) {
    .service-grid,
    .case-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* モバイルレイアウト */
@media (max-width: 599px) {
    .service-grid,
    .case-grid,
    .team-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
        gap: 1rem;
    }
}

.header-content h1 {
    font-size: clamp(2.8rem, 8vw, 5rem);
    font-weight: bold;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.header-content .main-catch {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
    letter-spacing: -0.02em;
    font-weight: 500;
    opacity: 0.9;
}

.header-content .catch-copy {
    font-size: 2.4rem;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    font-weight: 700;
    opacity: 0.85;
}

@media (max-width: 768px) {
    .header-content h1 {
        font-size: min(12vw, 2.8rem);
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .header-content .main-catch {
        font-size: min(5vw, 1.3rem);
        line-height: 1.6;
        margin-bottom: 0.2rem;
    }

    .header-content .catch-copy {
        font-size: min(7vw, 1.8rem);
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header-content h1 {
        font-size: min(12vw, 2.8rem);
    }

    .header-content .main-catch {
        font-size: min(5vw, 1.2rem);
        line-height: 1.6;
        margin-bottom: 0.2rem;
    }

    .header-content .catch-copy {
        font-size: min(7vw, 1.6rem);
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }
}