*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --orange: #FF6600;
            --orange-dark: #D95400;
            --orange-pale: rgba(255, 102, 0, 0.08);
            --dark: #0A0E1A;
            --dark-2: #111628;
            --dark-3: #1C2235;
            --text: #1A1A2E;
            --text-mid: #4B5563;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --bg: #F7F8FC;
            --white: #FFFFFF;
            --nav-h: 72px;
            --max-w: 1280px;
            --success: #10B981;
            --error: #EF4444;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans JP', 'Inter', sans-serif;
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
            background: var(--bg);
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* ===== PAGE HERO ===== */
        .page-hero {
            background: var(--dark);
            padding: calc(var(--nav-h) + 60px) 28px 64px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 60% 100% at 0% 50%, rgba(255, 102, 0, .12), transparent),
                radial-gradient(ellipse 40% 80% at 100% 20%, rgba(255, 102, 0, .07), transparent);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, .02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .02) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

        .page-hero-in {
            max-width: var(--max-w);
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .5);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: rgba(255, 255, 255, .8);
        }

        .breadcrumb span {
            color: rgba(255, 255, 255, .25);
        }

        .page-hero h1 {
            color: #fff;
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .page-hero h1 em {
            font-style: normal;
            color: var(--orange);
        }

        .page-hero p {
            color: rgba(255, 255, 255, .6);
            font-size: 1rem;
        }

        /* ===== MAIN LAYOUT ===== */
        .contact-wrap {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 64px 28px 100px;
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 48px;
            align-items: start;
        }

        /* ===== FORM CARD ===== */
        .form-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 24px rgba(0, 0, 0, .05);
            padding: 48px 44px;
        }

        .form-card h2 {
            font-size: 1.3rem;
            font-weight: 900;
            margin-bottom: 8px;
        }

        .form-card>p {
            color: var(--text-mid);
            font-size: .9rem;
            line-height: 1.8;
            margin-bottom: 36px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--border);
        }

        /* form fields */
        .field-group {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .field-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .field {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .field label {
            font-size: .83rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .req {
            display: inline-block;
            background: var(--orange);
            color: #fff;
            font-size: .68rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 4px;
            letter-spacing: .03em;
        }

        .opt {
            display: inline-block;
            background: var(--bg);
            color: var(--text-muted);
            font-size: .68rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 4px;
        }

        .field input,
        .field select,
        .field textarea {
            width: 100%;
            padding: 13px 16px;
            border: 1.5px solid var(--border);
            border-radius: 8px;
            font-size: .9rem;
            font-family: inherit;
            color: var(--text);
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
            outline: none;
            appearance: none;
        }

        .field input:focus,
        .field select:focus,
        .field textarea:focus {
            border-color: var(--orange);
            box-shadow: 0 0 0 3px rgba(255, 102, 0, .12);
        }

        .field input.error,
        .field select.error,
        .field textarea.error {
            border-color: var(--error);
            box-shadow: 0 0 0 3px rgba(239, 68, 68, .1);
        }

        .field input::placeholder,
        .field textarea::placeholder {
            color: var(--text-muted);
        }

        .field select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239CA3AF' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
            cursor: pointer;
        }

        .field textarea {
            resize: vertical;
            min-height: 140px;
            line-height: 1.7;
        }

        .field-error {
            font-size: .78rem;
            color: var(--error);
            display: none;
            align-items: center;
            gap: 5px;
        }

        .field-error.show {
            display: flex;
        }

        .field-error::before {
            content: '!';
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--error);
            color: #fff;
            font-size: .65rem;
            font-weight: 900;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* privacy */
        .privacy-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
        }

        .privacy-row input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-top: 2px;
            flex-shrink: 0;
            accent-color: var(--orange);
            cursor: pointer;
        }

        .privacy-row label {
            font-size: .85rem;
            color: var(--text-mid);
            cursor: pointer;
            line-height: 1.7;
        }

        .privacy-row a {
            color: var(--orange);
            text-decoration: underline;
        }

        /* submit */
        .submit-btn {
            width: 100%;
            padding: 16px;
            background: var(--orange);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            font-family: inherit;
            cursor: pointer;
            transition: all .25s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 8px;
        }

        .submit-btn:hover:not(:disabled) {
            background: var(--orange-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 102, 0, .3);
        }

        .submit-btn:disabled {
            opacity: .6;
            cursor: not-allowed;
            transform: none;
        }

        .submit-btn .spinner {
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255, 255, 255, .4);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin .7s linear infinite;
            display: none;
        }

        .submit-btn.loading .spinner {
            display: block;
        }

        .submit-btn.loading .btn-text {
            display: none;
        }

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

        /* success state */
        .success-state {
            display: none;
            text-align: center;
            padding: 48px 20px;
        }

        .success-state.show {
            display: block;
        }

        .success-icon {
            width: 72px;
            height: 72px;
            background: rgba(16, 185, 129, .1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin: 0 auto 24px;
        }

        .success-state h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }

        .success-state p {
            color: var(--text-mid);
            line-height: 1.85;
            font-size: .95rem;
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 28px;
            padding: 12px 24px;
            background: var(--orange);
            color: #fff;
            border-radius: 8px;
            font-weight: 700;
            font-size: .9rem;
            transition: all .2s;
        }

        .back-btn:hover {
            background: var(--orange-dark);
        }

        /* ===== SIDEBAR ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .info-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 28px 24px;
        }

        .info-card h3 {
            font-size: .95rem;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .info-card h3::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--orange);
            border-radius: 2px;
        }

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }

        .contact-method:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .contact-method:first-of-type {
            padding-top: 0;
        }

        .cm-icon {
            width: 40px;
            height: 40px;
            background: var(--orange-pale);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .cm-body h4 {
            font-size: .87rem;
            font-weight: 700;
            margin-bottom: 3px;
        }

        .cm-body p {
            font-size: .82rem;
            color: var(--text-mid);
            line-height: 1.65;
        }

        .cm-body a {
            color: var(--orange);
        }

        /* inquiry types */
        .inq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .inq-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            background: var(--bg);
            font-size: .85rem;
            font-weight: 500;
        }

        .inq-item::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--orange);
            flex-shrink: 0;
            align-self: center;
        }

        /* faq */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-q {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 14px 0;
            font-size: .85rem;
            font-weight: 700;
            font-family: inherit;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }

        .faq-arrow {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .65rem;
            flex-shrink: 0;
            transition: transform .2s;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-a {
            font-size: .82rem;
            color: var(--text-mid);
            line-height: 1.75;
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
        }

        .faq-item.open .faq-a {
            max-height: 200px;
            padding-bottom: 14px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1060px) {
            .contact-wrap {
                grid-template-columns: 1fr;
            }

            .sidebar {
                order: -1;
                display: grid;
                grid-template-columns: 1fr 1fr;
            }

        }

        @media (max-width: 640px) {
            .contact-wrap {
                padding: 40px 16px 64px;
            }

            .form-card {
                padding: 28px 20px;
            }

            .field-row {
                grid-template-columns: 1fr;
            }

            .sidebar {
                grid-template-columns: 1fr;
            }

        }

        /* Extracted from inline style attributes */
        .u-inline-001 {
            color: var(--orange);
            font-weight: 700;
        }

        .u-inline-002 {
            margin-bottom: 12px;
        }