@charset "UTF-8";
/* CSS Document */
/* =========================
   Contact Form (scoped)
========================= */
/* container */
#contact_form ._container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 20px;
}
/* headings */
#contact_form .heading01 {
    margin: 0 0 18px;
    font-size: clamp(26px, 3vw, 36px);
    line-height: 1.15;
    letter-spacing: 0.02em;
    text-align: center;
}
#contact_form .heading01 > span {
    display: block;
    margin-top: 6px;
    font-size: 0.45em;
    color: #6b7280;
    letter-spacing: 0.08em;
}
#contact_form .heading02 {
    margin: 0 0 14px;
    font-size: 18px;
    font-weight: 700;
    padding-bottom: 10px;
    border-bottom: 1px solid #e5e7eb;
}
/* card */
#contact_form ._box {
    background: #f6f7fb;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}
/* form layout */
#contact_form form {
    margin: 0;
}
#contact_form .form_body {
    display: grid;
    gap: 14px;
}
#contact_form .form_item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
/* optional: labelを戻した時用 */
#contact_form .form_label {
    margin: 0;
    font-size: 14px;
    color: #374151;
    font-weight: 600;
}
/* input / textarea base */
#contact_form .input_item, #contact_form .form_item_textarea {
    width: 100%;
    font: inherit;
    font-size: 16px;
    line-height: 1.45;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #d1d5db;
    background: #f9fafb;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
#contact_form .form_item_textarea {
    min-height: 150px;
    resize: vertical;
}
/* placeholder */
#contact_form .input_item::placeholder, #contact_form .form_item_textarea::placeholder {
    color: #9ca3af;
}
/* focus */
#contact_form .input_item:focus, #contact_form .form_item_textarea:focus {
    outline: none;
    border-color: #2563eb;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}
/* date input (見た目の揺れ対策) */
#contact_form input[type="date"].input_item {
    padding-right: 12px;
}
/* tel wrapper */
#contact_form .phone_nunber {
    width: 100%;
}
/* buttons */
#contact_form .btns {
    margin-top: 6px;
    display: flex;
    justify-content: center;
}
#contact_form .btn.submit_btn {
    width: min(360px, 100%);
    border: none;
    border-radius: 999px;
    padding: 14px 18px;
    cursor: pointer;
    background: #111827;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.05s ease, box-shadow 0.2s ease, background 0.2s ease;
}
#contact_form .btn.submit_btn:hover {
    background: #0b1220;
    box-shadow: 0 14px 28px rgba(17, 24, 39, 0.22);
}
#contact_form .btn.submit_btn:active {
    transform: translateY(1px);
}
#contact_form .btn.submit_btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.18);
}
#contact_form .btn.submit_btn span {
    pointer-events: none;
}
/* mobile */
@media (max-width: 520px) {
    #contact_form.section {
        padding: 40px 0;
    }
    #contact_form ._box {
        padding: 18px;
        border-radius: 14px;
    }
    #contact_form .heading02 {
        font-size: 17px;
    }
}