/* コンタクトページ専用のスタイル */
.contact-hero {
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1) 0%, rgba(0, 0, 0, 0) 100%);
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(147, 51, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.05) 0%, transparent 50%);
    animation: gradientPulse 10s ease-in-out infinite alternate;
}

.contact-hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.contact-title {
    margin-bottom: 2rem;
}

.contact-title .title-main {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.contact-title .title-sub {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 30%, var(--color-accent) 70%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.response-time {
    font-size: 0.9rem;
    color: var(--color-accent);
    margin-top: 0.5rem;
}

/* コンタクト方法のグリッド */
.contact-methods {
    padding: 100px 24px;
    background: linear-gradient(180deg, transparent 0%, rgba(147, 51, 234, 0.05) 100%);
}

.methods-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.method-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(147, 51, 234, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.method-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s ease;
}

.method-icon i {
    font-size: 32px;
    color: white;
}

.method-card h3 {
    font-size: 1.4rem;
    color: var(--color-text);
    margin-bottom: 12px;
}

.method-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
}

.method-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: transparent;
    border: 1px solid rgba(147, 51, 234, 0.3);
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.method-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.method-button i {
    transition: transform 0.4s ease;
}

/* ホバーエフェクト */
.method-card:hover {
    transform: translateY(-5px);
    border-color: rgba(147, 51, 234, 0.3);
    box-shadow: 0 10px 30px rgba(147, 51, 234, 0.1);
}

.method-card:hover::before {
    opacity: 1;
}

.method-card:hover .method-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(147, 51, 234, 0.3);
}

.method-button:hover {
    border-color: transparent;
}

.method-button:hover::before {
    opacity: 1;
}

.method-button:hover i {
    transform: translateX(5px);
}

/* コンタクトフォーム */
.contact-form {
    padding: 100px 24px;
    background: linear-gradient(180deg, rgba(147, 51, 234, 0.05) 0%, transparent 100%);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(147, 51, 234, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
}

.form-title {
    text-align: center;
    font-size: 2rem;
    color: var(--color-text);
    margin-bottom: 40px;
    position: relative;
}

.form-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--gradient-primary);
}

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

.input-wrapper,
.textarea-wrapper,
.select-wrapper {
    position: relative;
}

input,
textarea,
select {
    width: 100%;
    padding: 12px 0;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1rem;
    outline: none;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

label {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    pointer-events: none;
}

.textarea-wrapper label {
    top: 12px;
    transform: none;
}

.input-line,
.textarea-line,
.select-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(147, 51, 234, 0.3);
}

.input-line::after,
.textarea-line::after,
.select-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

/* フォーカス・入力状態 */
input:focus + label,
textarea:focus + label,
input:valid + label,
textarea:valid + label {
    top: -20px;
    font-size: 0.85rem;
    color: var(--color-accent);
}

input:focus ~ .input-line::after,
textarea:focus ~ .textarea-line::after,
select:focus ~ .select-line::after {
    width: 100%;
}

/* 送信ボタン */
.submit-button {
    width: 100%;
    padding: 16px;
    background: var(--gradient-primary);
    border: none;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(147, 51, 234, 0.4);
}

.submit-button:hover::before {
    left: 100%;
}

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

    .methods-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .form-container {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .contact-hero {
        min-height: 300px;
    }

    .contact-title .title-sub {
        font-size: 2rem;
    }

    .method-card {
        padding: 30px 20px;
    }

    .method-icon {
        width: 60px;
        height: 60px;
    }

    .method-icon i {
        font-size: 24px;
    }
}

/* 既存のスタイルに追加 */
.contact-layout {
    padding: 100px 24px;
    background: linear-gradient(180deg, rgba(147, 51, 234, 0.05) 0%, transparent 100%);
}

.contact-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 60px;
    position: relative;
}

.contact-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.contact-methods {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(147, 51, 234, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
}

.method-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(147, 51, 234, 0.1);
}

.method-item:last-child {
    border-bottom: none;
}

.method-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon i {
    font-size: 24px;
    color: white;
}

.method-content {
    flex-grow: 1;
}

.method-content h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 8px;
}

.method-content p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

.method-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.method-link i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.method-link:hover {
    color: var(--color-accent-light);
}

.method-link:hover i {
    transform: translateX(4px);
}

/* フォーム部分のスタイル調整 */
.contact-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(147, 51, 234, 0.1);
    backdrop-filter: blur(10px);
    padding: 60px;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .contact-container {
        grid-template-columns: 320px 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .contact-layout {
        padding: 60px 20px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-sidebar {
        position: relative;
        top: 0;
    }

    .contact-methods {
        padding: 24px;
    }

    .method-item {
        padding: 16px 0;
    }

    .method-icon {
        width: 40px;
        height: 40px;
    }

    .method-icon i {
        font-size: 20px;
    }

    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .contact-layout {
        padding: 40px 16px;
    }

    .method-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }

    .method-content {
        width: 100%;
    }
}

/* 既存のメディアクエリを更新 */
@media (max-width: 768px) {
    /* ヒーローセクション調整 */
    .contact-hero {
        min-height: 300px;
        padding: 60px 20px;
    }

    .contact-title .title-main {
        font-size: 0.9rem;
        letter-spacing: 0.3em;
    }

    .contact-title .title-sub {
        font-size: 2rem;
    }

    .contact-description {
        font-size: 0.95rem;
        padding: 0 20px;
    }

    /* レイアウト調整 */
    .contact-layout {
        padding: 40px 20px;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* サイドバー調整 */
    .contact-sidebar {
        position: relative;
        top: 0;
    }

    .contact-methods {
        padding: 24px;
        margin-bottom: 24px;
        border-radius: 12px;
    }

    .method-item {
        padding: 20px 0;
    }

    .method-item:first-child {
        padding-top: 0;
    }

    .method-item:last-child {
        padding-bottom: 0;
    }

    .method-icon {
        width: 40px;
        height: 40px;
        border-radius: 8px;
    }

    .method-icon i {
        font-size: 18px;
    }

    .method-content h3 {
        font-size: 1.1rem;
    }

    .method-content p {
        font-size: 0.85rem;
        margin-bottom: 8px;
    }

    .method-link {
        font-size: 0.85rem;
    }

    /* フォーム調整 */
    .contact-form {
        padding: 24px;
        border-radius: 12px;
    }

    .form-title {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }

    .form-group {
        margin-bottom: 24px;
    }

    input,
    textarea,
    select {
        font-size: 0.95rem;
    }

    label {
        font-size: 0.9rem;
    }

    .submit-button {
        padding: 14px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    /* ヒーローセクションのさらなる調整 */
    .contact-hero {
        min-height: 250px;
        padding: 40px 16px;
    }

    .contact-title .title-sub {
        font-size: 1.8rem;
    }

    .contact-description {
        font-size: 0.9rem;
        padding: 0 16px;
    }

    /* レイアウトのさらなる調整 */
    .contact-layout {
        padding: 30px 16px;
    }

    .contact-methods {
        padding: 20px;
    }

    .method-item {
        padding: 16px 0;
    }

    .method-icon {
        width: 36px;
        height: 36px;
    }

    .method-icon i {
        font-size: 16px;
    }

    .method-content h3 {
        font-size: 1rem;
    }

    .method-content p {
        font-size: 0.8rem;
    }

    .method-link {
        font-size: 0.8rem;
    }

    /* フォームのさらなる調整 */
    .contact-form {
        padding: 20px;
    }

    .form-title {
        font-size: 1.4rem;
        margin-bottom: 24px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    input,
    textarea,
    select {
        font-size: 0.9rem;
        padding: 10px 0;
    }

    label {
        font-size: 0.85rem;
    }

    .submit-button {
        padding: 12px;
        font-size: 0.9rem;
    }

    /* 入力フィールドのフォーカス時の調整 */
    input:focus + label,
    textarea:focus + label,
    input:valid + label,
    textarea:valid + label {
        top: -16px;
        font-size: 0.75rem;
    }

    /* セレクトボックスの調整 */
    .select-wrapper select {
        padding: 10px 0;
        font-size: 0.9rem;
    }

    /* ボタンのアイコン調整 */
    .submit-button .button-icon {
        font-size: 0.8rem;
    }
}

/* タッチデバイス用の調整 */
@media (hover: none) {
    .method-link:active {
        color: var(--color-accent-light);
    }

    .method-link:active i {
        transform: translateX(4px);
    }

    .submit-button:active {
        transform: translateY(1px);
    }
}

/* 既存のメディアクエリを更新 */
@media (max-width: 768px) {
    /* 前の設定はそのままで、以下を追加・更新 */
    .contact-container {
        display: flex;
        flex-direction: column;
    }

    .contact-form {
        order: 1; /* フォームを上に */
        margin-bottom: 24px;
    }

    .contact-sidebar {
        order: 2; /* サイドバーを下に */
    }

    /* フォームのスタイル調整 */
    .contact-form {
        padding: 24px;
        border-radius: 12px;
    }

    /* 入力フィールドの調整 */
    .form-group {
        margin-bottom: 20px;
    }

    /* サイドバーのスタイル調整 */
    .contact-methods {
        padding: 24px;
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    /* 既存の設定に追加 */
    .contact-form {
        margin-bottom: 20px;
    }

    /* フォームとメソッドの間隔調整 */
    .contact-container > * + * {
        margin-top: 20px;
    }
}

select {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    border: 1px solid rgba(147, 51, 234, 0.2);
    padding: 12px;
    width: 100%;
    border-radius: 4px;
    font-size: 1rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 4L6 8L10 4' stroke='%239333EA' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(147, 51, 234, 0.2);
}

select option {
    background-color: #1a1a1a;
    color: var(--color-text);
    padding: 12px;
}

select:hover {
    border-color: var(--color-accent);
}