/* Tonal Music お問い合わせページ：レスポンシブ対応 */
* {
    box-sizing: border-box;
}

.contact-page {
    margin: 0;
    color: #292929;
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
    line-height: 1.8;
    overflow-wrap: anywhere;
}

.contact-site-header {
    width: min(100% - 32px, 1100px);
    margin: 0 auto;
}

.contact-logo {
    padding: 18px 0 10px;
    text-align: center;
}

.contact-logo a {
    display: inline-block;
    max-width: 100%;
}

.contact-logo img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 180px;
    margin: 0 auto;
    object-fit: contain;
}

.contact-nav {
    padding: 12px 8px;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
}

.contact-menu-toggle {
    display: none;
}

.contact-nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 4px 24px;
}

.contact-nav a {
    display: block;
    padding: 6px 4px;
    color: inherit;
    text-decoration: none;
    line-height: 1.5;
}

.contact-nav a:hover,
.contact-nav a:focus-visible {
    text-decoration: underline;
}

.contact-site-title {
    margin: 12px 0 0;
    text-align: center;
    font-size: clamp(14px, 2vw, 18px);
}

.contact-container {
    width: min(100% - 32px, 760px);
    margin: 28px auto 40px;
    padding: clamp(18px, 4vw, 36px);
    background: #fff;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    box-shadow: 0 3px 14px rgb(0 0 0 / 5%);
}

.contact-container h1 {
    margin: 0 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid #333;
    font-size: clamp(1.5rem, 4vw, 2rem);
    line-height: 1.4;
}

.contact-container h2 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    line-height: 1.5;
}

.contact-container label {
    display: block;
    margin: 20px 0 6px;
    font-weight: 700;
}

.contact-container label span {
    display: inline-block;
    margin-left: 8px;
    padding: 0 6px;
    border-radius: 3px;
    background: #a52a2a;
    color: #fff;
    font-size: .78em;
    font-weight: 400;
}

.contact-container input[type="text"],
.contact-container input[type="email"],
.contact-container textarea {
    display: block;
    width: 100%;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid #bcbcbc;
    border-radius: 4px;
    background: #fff;
    color: #222;
    font: inherit;
    font-size: 16px; /* iPhoneでの意図しない拡大を防止 */
}

.contact-container textarea {
    min-height: 180px;
    resize: vertical;
}

.contact-container input:focus,
.contact-container textarea:focus {
    outline: 2px solid #555;
    outline-offset: 2px;
}

.contact-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.contact-buttons button {
    min-height: 46px;
    padding: 11px 24px;
    border: 0;
    border-radius: 4px;
    background: #333;
    color: #fff;
    font: inherit;
    cursor: pointer;
}

.contact-buttons button:hover {
    background: #555;
}

.contact-errors {
    margin: 18px 0;
    padding: 12px 18px;
    border: 1px solid #c33;
    border-radius: 4px;
    background: #fff4f4;
    color: #922;
}

.contact-confirm dt {
    margin-top: 16px;
    font-weight: 700;
}

.contact-confirm dd {
    margin: 6px 0 0;
    padding: 10px 12px;
    background: #f5f5f5;
    overflow-wrap: anywhere;
}

.contact-message {
    padding: 12px 0;
}

.copyright {
    padding: 18px 12px 28px;
    text-align: center;
    font-size: 13px;
}

.copyright a {
    color: #fff;
}

@media (max-width: 600px) {
    .contact-site-header {
        width: calc(100% - 24px);
    }

    .contact-logo {
        padding-top: 12px;
    }

    .contact-logo img {
        max-height: 120px;
    }

    .contact-nav {
        padding: 8px 0;
    }

    .contact-menu-toggle {
        display: flex;
        width: 100%;
        min-height: 44px;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 10px 14px;
        border: 1px solid #ccc;
        border-radius: 4px;
        background: #f7f7f7;
        color: #292929;
        font: inherit;
        cursor: pointer;
    }

    .contact-menu-icon {
        font-size: 22px;
        line-height: 1;
    }

    .contact-nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-top: 6px;
    }

    .contact-nav.is-open .contact-nav-links {
        display: flex;
    }

    .contact-nav a {
        padding: 12px 10px;
        border-bottom: 1px solid #e5e5e5;
        text-align: center;
        font-size: 14px;
    }

    .contact-container {
        width: calc(100% - 24px);
        margin: 20px auto 28px;
        padding: 20px 16px;
        border-radius: 6px;
    }

    .contact-container input[type="text"],
    .contact-container input[type="email"],
    .contact-container textarea {
        padding: 11px;
    }

    .contact-buttons {
        flex-direction: column;
    }

    .contact-buttons button {
        width: 100%;
    }
}