/* -------------------------------------------------------------------
   Contact Page
------------------------------------------------------------------- */
.contact-page {
    position: relative;
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 120px;
    overflow: hidden;
}

.hero-contact__bg-text {
    position: absolute;
    top: calc(var(--header-height) + 40px); left: 0;
    font-family: var(--font-en);
    font-size: clamp(120px, 20vw, 320px);
    font-weight: 200;
    color: var(--color-blue-light);
    line-height: 1;
    z-index: 0;
    white-space: nowrap;
    user-select: none;
    letter-spacing: -0.02em;
}

/* Toggle Switch */
.contact-toggle {
    display: flex;
    background: var(--color-secondary-light);
    border-radius: 100px;
    width: 440px;
    max-width: 100%;
    margin: 0 auto 64px;
    padding: 4px;
    position: relative;
    z-index: 1;
}
.contact-toggle-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 14px 24px;
    border-radius: 100px;
    font-family: var(--font-ja);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.contact-toggle-btn.is-active {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(43, 112, 214, 0.25);
}

/* Form Card */
.form-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 80px;
    box-shadow: 0 20px 50px rgba(25, 62, 101, 0.06);
    border: 1px solid var(--color-border);
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.form-status {
    margin-bottom: 32px;
    padding: 18px 20px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.8;
}

.form-status--success {
    background: #F2FAF5;
    border: 1px solid #B7E1C1;
    color: #1C6B3B;
}

.form-status--error {
    background: #FFF5F5;
    border: 1px solid #F0C7C7;
    color: #A04242;
}

/* Form Groups */
.form-group {
    margin-bottom: 40px;
}
.form-group:last-of-type {
    margin-bottom: 0;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.badge {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.1em;
}
.badge.required { background: var(--color-required); color: #fff; }
.badge.optional { background: var(--color-optional); color: #fff; }

.form-control {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-form-bg);
    color: var(--color-text);
    font-family: inherit;
    transition: var(--transition-fast);
}
.form-control::placeholder {
    color: #A0AAB5;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(43, 112, 214, 0.1);
}

.form-group.has-error .form-control {
    border-color: #E28A8A;
    background: #FFFDFD;
}

.form-group.has-error .form-control:focus {
    box-shadow: 0 0 0 4px rgba(226, 138, 138, 0.16);
}

.form-error {
    margin-top: 10px;
    font-size: 13px;
    color: #A04242;
}

/* Select */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 16px;
    cursor: pointer;
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 180px;
    line-height: 1.6;
}

.form-honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Submit Area */
.form-submit-area {
    text-align: center;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}
.form-note {
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 24px;
}
.form-note a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: rgba(43, 112, 214, 0.3);
    text-underline-offset: 4px;
}
.form-note a:hover {
    text-decoration-color: var(--color-primary);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 80px;
    font-family: var(--font-ja);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.1em;
    border-radius: 500px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 20px rgba(43, 112, 214, 0.2);
}
.btn-submit:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(25, 62, 101, 0.25);
}

@media (max-width: 768px) {
    .contact-page { padding-top: calc(var(--header-height) + 40px); padding-bottom: 80px; }
    .form-card { padding: 40px 24px; }
    .form-group { margin-bottom: 32px; }
    .btn-submit { width: 100%; padding: 16px 0; }
}