.hb-ipg,
.hb-ipg * {
    box-sizing: border-box;
}

.hb-ipg {
    --hb-ipg-bg: #f8fafc;
    --hb-ipg-card: #ffffff;
    --hb-ipg-text: #172033;
    --hb-ipg-muted: #64748b;
    --hb-ipg-line: #dbe3ee;
    --hb-ipg-primary: #3157d5;
    --hb-ipg-primary-dark: #2444ad;
    --hb-ipg-soft: #eef3ff;
    max-width: 980px;
    margin: 28px auto;
    color: var(--hb-ipg-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    line-height: 1.75;
}

.hb-ipg__header {
    padding: 30px;
    border: 1px solid var(--hb-ipg-line);
    border-radius: 18px;
    background: linear-gradient(135deg, #ffffff 0%, #f2f5ff 100%);
    box-shadow: 0 12px 32px rgba(23, 32, 51, 0.07);
}

.hb-ipg__eyebrow {
    display: inline-flex;
    align-items: center;
    margin-bottom: 10px;
    padding: 5px 11px;
    border-radius: 999px;
    background: var(--hb-ipg-soft);
    color: var(--hb-ipg-primary-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .02em;
}

.hb-ipg__title {
    margin: 0 0 10px;
    color: var(--hb-ipg-text);
    font-size: clamp(24px, 4vw, 36px);
    line-height: 1.35;
}

.hb-ipg__lead {
    margin: 0;
    color: #46536a;
    font-size: 16px;
}

.hb-ipg__privacy {
    display: inline-flex;
    margin-top: 14px;
    color: #25633b;
    font-size: 13px;
    font-weight: 700;
}

.hb-ipg__privacy::before {
    content: "✓";
    margin-right: 6px;
}

.hb-ipg__panel {
    margin-top: 20px;
    padding: 28px;
    border: 1px solid var(--hb-ipg-line);
    border-radius: 16px;
    background: var(--hb-ipg-card);
    box-shadow: 0 8px 24px rgba(23, 32, 51, 0.05);
}

.hb-ipg__section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 22px;
    color: var(--hb-ipg-text);
    font-size: 20px;
    line-height: 1.5;
}

.hb-ipg__section-title span {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    border-radius: 50%;
    background: var(--hb-ipg-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
}

.hb-ipg__grid,
.hb-ipg__source {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.hb-ipg__source {
    margin-top: 18px;
}

.hb-ipg__field {
    min-width: 0;
}

.hb-ipg__field--full {
    grid-column: 1 / -1;
}

.hb-ipg__field label,
.hb-ipg__checks legend {
    display: block;
    margin-bottom: 7px;
    color: #29354a;
    font-size: 14px;
    font-weight: 700;
}

.hb-ipg__field label b {
    margin-left: 4px;
    color: #c0262d;
    font-size: 12px;
}

.hb-ipg input[type="text"],
.hb-ipg input[type="url"],
.hb-ipg textarea,
.hb-ipg select {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 12px 13px;
    border: 1px solid #cbd5e1;
    border-radius: 9px;
    background: #fff;
    color: var(--hb-ipg-text);
    font: inherit;
    font-size: 15px;
    line-height: 1.55;
    box-shadow: none;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.hb-ipg textarea {
    min-height: 92px;
    resize: vertical;
}

.hb-ipg input:focus,
.hb-ipg textarea:focus,
.hb-ipg select:focus {
    outline: none;
    border-color: var(--hb-ipg-primary);
    box-shadow: 0 0 0 3px rgba(49, 87, 213, .13);
}

.hb-ipg__help {
    margin: 7px 0 0;
    color: var(--hb-ipg-muted);
    font-size: 13px;
}

.hb-ipg__checks {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin: 22px 0 0;
    padding: 18px;
    border: 1px solid var(--hb-ipg-line);
    border-radius: 12px;
    background: var(--hb-ipg-bg);
}

.hb-ipg__checks legend {
    padding: 0 5px;
}

.hb-ipg__checks label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #38465b;
    font-size: 14px;
    cursor: pointer;
}

.hb-ipg__checks input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--hb-ipg-primary);
}

.hb-ipg__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.hb-ipg__button {
    appearance: none;
    min-height: 46px;
    margin: 0;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 9px;
    font: inherit;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.3;
    cursor: pointer;
    transition: transform .15s ease, background-color .2s ease, border-color .2s ease;
}

.hb-ipg__button:hover {
    transform: translateY(-1px);
}

.hb-ipg__button--primary {
    background: var(--hb-ipg-primary);
    color: #fff;
}

.hb-ipg__button--primary:hover {
    background: var(--hb-ipg-primary-dark);
}

.hb-ipg__button--secondary {
    border-color: #aebde7;
    background: var(--hb-ipg-soft);
    color: var(--hb-ipg-primary-dark);
}

.hb-ipg__button--ghost {
    border-color: var(--hb-ipg-line);
    background: #fff;
    color: #526078;
}

.hb-ipg__message {
    min-height: 1.5em;
    margin: 10px 0 0;
    color: #25633b;
    font-size: 13px;
    font-weight: 700;
}

.hb-ipg__message.is-error {
    color: #b4232c;
}

.hb-ipg__result {
    min-height: 520px;
    padding: 18px !important;
    background: #fbfcff !important;
    color: #1f2a3d !important;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace !important;
    font-size: 13px !important;
    line-height: 1.75 !important;
    white-space: pre-wrap;
}

.hb-ipg__notice {
    margin: 18px 0 0;
    padding: 12px 14px;
    border-left: 4px solid #dba72c;
    background: #fff8df;
    color: #655014;
    font-size: 13px;
}

.hb-ipg [hidden] {
    display: none !important;
}

@media (max-width: 720px) {
    .hb-ipg {
        margin: 18px auto;
    }

    .hb-ipg__header,
    .hb-ipg__panel {
        padding: 20px;
        border-radius: 13px;
    }

    .hb-ipg__grid,
    .hb-ipg__source,
    .hb-ipg__checks {
        grid-template-columns: 1fr;
    }

    .hb-ipg__field--full {
        grid-column: auto;
    }

    .hb-ipg__button {
        width: 100%;
    }

    .hb-ipg__result {
        min-height: 440px;
    }
}