/* ===== Contact Page ===== */

body {
    background-color: #f6dc9f;
    overflow-x: hidden;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
}

.contact_main {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.contact_container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background-color: #dab584;
    overflow: hidden;
}

.contact_ellipse {
    position: absolute;
    width: 700px;
    height: 250px;
    background-color: #f6dc9f;
    border-radius: 50%;
    transform: rotate(135deg);
    filter: blur(60px);
    opacity: 0.7;
    top: 20%;
}

.contact_content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 120px 24px 80px;
    width: 100%;
    max-width: 640px;
    animation: contactFadeInUp 1s ease both;
}

@keyframes contactFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Title Area ===== */

.contact_label {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 300;
    font-size: 13px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(26, 18, 7, 0.45);
    margin-bottom: 12px;
}

.contact_title {
    font-family: "Zen Old Mincho", serif;
    font-weight: 900;
    font-size: 40px;
    color: #1a1207;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.contact_divider_center {
    width: 40px;
    height: 2px;
    background: rgba(0, 0, 0, 0.2);
    margin: 24px 0;
}

.contact_intro {
    font-family: "Shippori Mincho", serif;
    font-weight: 500;
    font-size: 14px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 36px;
}

.pc_br {
    display: none;
}

/* ===== Form ===== */

.contact_form {
    width: 100%;
    text-align: left;
}

/* ===== Section ===== */

.contact_section {
    width: 100%;
    margin-bottom: 32px;
}

.contact_section_header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.section_step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #1a1207;
    color: #f6dc9f;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.contact_section_title {
    font-family: "Zen Old Mincho", serif;
    font-weight: 700;
    font-size: 17px;
    color: #1a1207;
    letter-spacing: 0.03em;
}

/* ===== Disclaimer (collapsible) ===== */

.disclaimer_wrapper {
    background: rgba(246, 220, 159, 0.35);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 14px;
    padding: 0;
    overflow: hidden;
}

.disclaimer_toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: "Shippori Mincho", serif;
    font-weight: 600;
    font-size: 14px;
    color: #1a1207;
    transition: background 0.2s ease;
}

.disclaimer_toggle:hover {
    background: rgba(246, 220, 159, 0.3);
}

.disclaimer_toggle_icon {
    transition: transform 0.3s ease;
    color: rgba(26, 18, 7, 0.4);
    flex-shrink: 0;
}

.disclaimer_toggle[aria-expanded="true"] .disclaimer_toggle_icon {
    transform: rotate(180deg);
}

.disclaimer_body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 20px;
}

.disclaimer_body.open {
    max-height: 500px;
    padding: 0 20px 16px;
}

.disclaimer_text {
    font-family: "Shippori Mincho", serif;
    font-weight: 500;
    font-size: 13px;
    color: #555;
    line-height: 1.9;
    text-align: justify;
}

.agree_row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
}

.agree_row:hover {
    background: rgba(246, 220, 159, 0.2);
}

/* ===== Custom Checkbox ===== */

.contact_checkbox {
    display: none;
}

.checkbox_custom {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(26, 18, 7, 0.3);
    border-radius: 5px;
    flex-shrink: 0;
    position: relative;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.contact_checkbox:checked + .checkbox_custom {
    background: #8b6914;
    border-color: #8b6914;
}

.contact_checkbox:checked + .checkbox_custom::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 6px;
    height: 11px;
    border: solid #fff;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg);
}

.checkbox_text {
    font-family: "Shippori Mincho", serif;
    font-weight: 600;
    font-size: 14px;
    color: #1a1207;
    line-height: 1.5;
}

/* ===== Privacy Policy Link ===== */

.privacy_link_wrapper {
    background: rgba(246, 220, 159, 0.35);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 14px;
    overflow: hidden;
}

.privacy_link_desc {
    padding: 18px 20px;
    font-family: "Shippori Mincho", serif;
    font-weight: 500;
    font-size: 14px;
    color: #555;
    line-height: 1.8;
}

.privacy_inline_link {
    color: #8b6914;
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 700;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.privacy_inline_link:hover {
    color: #6b5110;
}

.external_icon {
    display: inline;
    vertical-align: middle;
    margin-left: 2px;
}

/* ===== Form Fields ===== */

.form_fields {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.form_group {
    margin-bottom: 24px;
}

.form_label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: "Zen Old Mincho", serif;
    font-weight: 700;
    font-size: 15px;
    color: #1a1207;
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}

.form_required {
    display: inline-block;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 500;
    font-size: 10px;
    color: #fff;
    background: #c24b31;
    padding: 1px 7px;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

.form_optional {
    display: inline-block;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 500;
    font-size: 10px;
    color: #888;
    background: rgba(0, 0, 0, 0.08);
    padding: 1px 7px;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

.form_input,
.form_textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: "Shippori Mincho", serif;
    font-weight: 500;
    font-size: 15px;
    color: #1a1207;
    background: rgba(246, 220, 159, 0.3);
    border: 1.5px solid rgba(0, 0, 0, 0.12);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    box-sizing: border-box;
}

.form_input::placeholder,
.form_textarea::placeholder {
    color: rgba(26, 18, 7, 0.3);
}

.form_input:focus,
.form_textarea:focus {
    border-color: #8b6914;
    box-shadow: 0 0 0 3px rgba(139, 105, 20, 0.1);
    background: rgba(255, 255, 255, 0.4);
}

.form_textarea {
    resize: vertical;
    min-height: 140px;
}

/* ===== Submit ===== */

.submit_wrapper {
    text-align: center;
    margin-top: 8px;
}

.submit_button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 360px;
    padding: 16px 32px;
    font-family: "Zen Old Mincho", serif;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.1em;
    color: #fff;
    background: #1a1207;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

.submit_button:hover:not(:disabled) {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.submit_button:active:not(:disabled) {
    transform: translateY(0);
}

.submit_button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.submit_button.loading .submit_text {
    display: none;
}

.submit_button.loading .submit_icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.submit_icon {
    flex-shrink: 0;
}

.submit_note {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 400;
    font-size: 12px;
    color: rgba(26, 18, 7, 0.4);
    margin-top: 12px;
}

/* ===== Success Message ===== */

.success_message {
    width: 100%;
    text-align: center;
    padding: 48px 20px;
    animation: contactFadeInUp 0.6s ease both;
}

.success_icon_wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(74, 140, 63, 0.1);
    margin: 0 auto 24px;
}

.success_title {
    font-family: "Zen Old Mincho", serif;
    font-weight: 700;
    font-size: 22px;
    color: #1a1207;
    margin-bottom: 12px;
}

.success_desc {
    font-family: "Shippori Mincho", serif;
    font-weight: 500;
    font-size: 14px;
    color: #555;
    line-height: 1.9;
}

/* ===== Error Message ===== */

.error_message {
    width: 100%;
    text-align: center;
    padding: 48px 20px;
    animation: contactFadeInUp 0.6s ease both;
}

.error_icon_wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(194, 75, 49, 0.1);
    margin: 0 auto 24px;
}

.error_title {
    font-family: "Zen Old Mincho", serif;
    font-weight: 700;
    font-size: 22px;
    color: #c24b31;
    margin-bottom: 12px;
}

.error_desc {
    font-family: "Shippori Mincho", serif;
    font-weight: 500;
    font-size: 14px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 24px;
}

.retry_button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: "Shippori Mincho", serif;
    font-weight: 600;
    font-size: 15px;
    color: #1a1207;
    background: none;
    border: 1.5px solid rgba(0, 0, 0, 0.25);
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.retry_button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ===== Back button ===== */

.contact_back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 12px 28px;
    font-family: "Shippori Mincho", serif;
    font-weight: 600;
    font-size: 15px;
    color: #1a1207;
    text-decoration: none;
    border: 1.5px solid rgba(0, 0, 0, 0.25);
    border-radius: 50px;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.contact_back:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.back_arrow {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.contact_back:hover .back_arrow {
    transform: translateX(-3px);
}

.contact_kujira {
    position: absolute;
    right: -5%;
    bottom: 0;
    width: 45%;
    max-width: 500px;
    object-fit: contain;
    opacity: 0.06;
    pointer-events: none;
}

/* ===== Responsive: PC ===== */

@media screen and (min-width: 1024px) {
    .contact_ellipse {
        width: 1200px;
        height: 500px;
        filter: blur(80px);
    }

    .contact_title {
        font-size: 52px;
    }

    .contact_kujira {
        width: 35%;
        opacity: 0.05;
    }

    .pc_br {
        display: inline;
    }

    .contact_content {
        max-width: 620px;
    }
}

/* ===== Responsive: Tablet ===== */

@media screen and (min-width: 768px) and (max-width: 1023px) {
    .contact_ellipse {
        width: 900px;
        height: 400px;
    }

    .contact_title {
        font-size: 46px;
    }

    .contact_kujira {
        width: 40%;
        opacity: 0.06;
    }

    .pc_br {
        display: inline;
    }
}

/* ===== Responsive: Small mobile ===== */

@media screen and (max-width: 400px) {
    .contact_title {
        font-size: 32px;
    }

    .contact_content {
        padding: 100px 16px 60px;
    }

    .contact_intro {
        font-size: 13px;
    }

    .contact_section_title {
        font-size: 15px;
    }

    .section_step {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }

    .form_label {
        font-size: 14px;
    }

    .form_input,
    .form_textarea {
        padding: 12px 14px;
        font-size: 14px;
    }

    .disclaimer_toggle {
        padding: 14px 16px;
        font-size: 13px;
    }

    .agree_row {
        padding: 12px 16px;
    }

    .disclaimer_text {
        font-size: 12px;
    }

    .checkbox_text {
        font-size: 13px;
    }

    .privacy_link_desc {
        padding: 14px 16px;
        font-size: 13px;
    }

    .submit_button {
        font-size: 15px;
        padding: 14px 28px;
    }

    .contact_back {
        font-size: 13px;
        padding: 10px 22px;
    }

    .success_title,
    .error_title {
        font-size: 19px;
    }
}