:root {
            --primary-color: #2a3d31; 
            --accent-color: #c5a059;  
            --bg-base: #fdfaf6;       
            --white: #ffffff;
            --text-main: #333333;
            --text-sub: #555555;
            --line-color: #06c755;
            --error-color: #e74c3c;
        }

        html { scroll-behavior: smooth; }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Noto Serif JP', serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            line-height: 2; /* 抜け感を出すために行間を広げる */
            letter-spacing: 0.05em; /* 視認性向上のために字間を少し広げる */
            overflow-x: hidden;
        }

        /* --- Common --- */
        .container { max-width: 1300px; margin: 0 auto; padding: 0 4%; }
        .section-title { text-align: center; margin-bottom: 70px; }
        .section-title h2 { font-size: 2.2rem; font-weight: 500; position: relative; display: inline-block; padding-bottom: 20px; }
        .section-title h2::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 50px; height: 1px; background: var(--accent-color); }
        .section-title span { display: block; font-size: 0.85rem; color: var(--accent-color); letter-spacing: 3px; margin-top: 15px; text-transform: uppercase; font-family: 'Montserrat', sans-serif; }

        /* --- Header --- */
        header {
            padding: 20px 4%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255,255,255,0.98);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #eee;
            flex-wrap: wrap;
        }
        
        .logo { 
            font-family: 'Noto Serif JP', serif; 
            font-size: 1.6rem; 
            font-weight: 500; 
            color: var(--primary-color); 
            letter-spacing: 2px; 
            text-decoration: none;
        }
        
        .header-nav { display: flex; gap: 35px; }
        .header-nav a { 
            font-family: 'Noto Serif JP', serif; 
            text-decoration: none; 
            color: #222; 
            font-size: 1rem; 
            transition: 0.3s; 
            font-weight: 700; 
            letter-spacing: 0.05em;
        }
        .header-nav a:hover, .header-nav a.active { color: var(--accent-color); }

        .nav-right-btns { display: flex; align-items: center; gap: 15px; }
        .nav-btn { 
            font-family: 'Noto Serif JP', serif;
            text-decoration: none; 
            color: var(--primary-color); 
            background: transparent; 
            border: 1px solid #ddd;
            padding: 8px 18px; 
            font-size: 0.85rem; 
            font-weight: 500; 
            border-radius: 4px; 
            transition: 0.3s; 
            letter-spacing: 2px;
        }
        .nav-btn:hover { border-color: var(--primary-color); background: rgba(42, 61, 49, 0.05); }

        /* --- Hero (Sub Page Style) --- */
        .hero-sub {
            position: relative;
            height: 35vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            text-align: center;
            background: linear-gradient(rgba(42, 61, 49, 0.85), rgba(42, 61, 49, 0.85)), url('https://images.unsplash.com/photo-1594744803329-a584af1ea51f?auto=format&fit=crop&q=80&w=1500') center/cover;
        }
        .hero-sub h1 { font-size: 3rem; font-weight: 500; letter-spacing: 6px; margin-bottom: 15px; font-family: 'Montserrat', sans-serif; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
        .hero-sub p { font-size: 1.1rem; letter-spacing: 4px; opacity: 0.9; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }

        /* --- Breadcrumb --- */
        .breadcrumb {
            max-width: 1000px;
            margin: 40px auto 0;
            padding: 0 4%;
            font-size: 0.95rem;
            color: #888;
            font-family: 'Montserrat', 'Noto Serif JP', sans-serif;
        }
        .breadcrumb a {
            color: #888;
            text-decoration: none;
            transition: 0.3s;
        }
        .breadcrumb a:hover { color: var(--accent-color); }
        .breadcrumb span { margin: 0 8px; }

        /* --- Contact Form Layout --- */
        .contact-wrapper {
            max-width: 1000px;
            margin: 60px auto 120px;
            padding: 0 4%;
        }

        .contact-intro {
            text-align: center;
            margin-bottom: 60px;
        }
        .contact-intro p {
            color: var(--text-sub);
            font-size: 1.1rem;
            line-height: 2.2;
        }
        .line-notice {
            background: #fdfaf6;
            padding: 40px;
            border-radius: 8px;
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            border: 1px solid #eaddce;
        }
        .line-notice p { margin-bottom: 15px; color: var(--primary-color); font-weight: 700; font-size: 1.15rem; }
        .btn-line-small {
            background: var(--line-color);
            color: white;
            text-decoration: none;
            padding: 14px 40px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: 0.3s;
            box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3);
        }
        .btn-line-small:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4); }

        .form-container {
            background: var(--white);
            padding: 80px 70px;
            border-radius: 8px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.02);
        }

        .form-group {
            margin-bottom: 40px;
        }
        .form-label {
            display: block;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--primary-color);
            font-size: 1.1rem;
        }
        .required {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            line-height: 1;
            background: var(--accent-color);
            color: white;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 2px;
            margin-left: 10px;
            vertical-align: middle;
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
            letter-spacing: 1px;
        }
        .optional {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            line-height: 1;
            background: #ccc;
            color: white;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 2px;
            margin-left: 10px;
            vertical-align: middle;
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .form-control {
            width: 100%;
            padding: 18px 25px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: 'Noto Serif JP', serif;
            font-size: 1.05rem;
            color: var(--text-main);
            background-color: #fafafa;
            transition: all 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent-color);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.1);
        }
        .form-container .wpcf7-form p {
            margin: 0;
        }
        .form-container .wpcf7-form label {
            display: block;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--primary-color);
            font-size: 1.1rem;
        }
        .form-container .wpcf7-form-control-wrap {
            display: block;
            margin-top: 15px;
        }
        .form-container .wpcf7 input[type="text"],
        .form-container .wpcf7 input[type="email"],
        .form-container .wpcf7 input[type="tel"],
        .form-container .wpcf7 input[type="url"],
        .form-container .wpcf7 input[type="number"],
        .form-container .wpcf7 select,
        .form-container .wpcf7 textarea {
            width: 100%;
            padding: 18px 25px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: 'Noto Serif JP', serif;
            font-size: 1.05rem;
            color: var(--text-main);
            background-color: #fafafa;
            transition: all 0.3s ease;
        }
        .form-container .wpcf7 input[type="text"]:focus,
        .form-container .wpcf7 input[type="email"]:focus,
        .form-container .wpcf7 input[type="tel"]:focus,
        .form-container .wpcf7 input[type="url"]:focus,
        .form-container .wpcf7 input[type="number"]:focus,
        .form-container .wpcf7 select:focus,
        .form-container .wpcf7 textarea:focus {
            outline: none;
            border-color: var(--accent-color);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.1);
        }
        .form-container .wpcf7 textarea {
            min-height: 250px;
            resize: vertical;
        }
        .form-container .wpcf7 select {
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 20px center;
            background-size: 15px;
        }
        .form-container .wpcf7 input[type="checkbox"] {
            width: 22px;
            height: 22px;
            margin-right: 12px;
            accent-color: var(--primary-color);
            cursor: pointer;
            flex: 0 0 auto;
        }
        .form-container .wpcf7 input[type="submit"] {
            display: block;
            margin: 0 auto;
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 20px 80px;
            font-size: 1.15rem;
            font-weight: 700;
            border-radius: 40px;
            cursor: pointer;
            transition: 0.3s;
            font-family: 'Noto Serif JP', serif;
            letter-spacing: 2px;
            box-shadow: 0 5px 15px rgba(42, 61, 49, 0.2);
        }
        .form-container .wpcf7 input[type="submit"]:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(197, 160, 89, 0.3);
        }
        .form-container .wpcf7 input[type="submit"]:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        textarea.form-control {
            min-height: 250px;
            resize: vertical;
        }
        select.form-control {
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 20px center;
            background-size: 15px;
        }

        .privacy-policy-box {
            background: #fdfaf6;
            border: 1px solid #eaddce;
            padding: 30px;
            border-radius: 4px;
            height: 200px;
            overflow-y: auto;
            font-size: 0.95rem;
            color: var(--text-sub);
            margin-bottom: 20px;
            line-height: 2;
        }
        .privacy-policy-box h4 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.1rem;
            font-weight: 700;
        }
        
        .checkbox-wrap {
            text-align: center;
            margin: 40px 0 50px;
        }
        .checkbox-label {
            display: inline-flex;
            align-items: center;
            cursor: pointer;
            font-weight: 400;
            font-size: 1.1rem;
        }
        .checkbox-label input[type="checkbox"] {
            width: 22px;
            height: 22px;
            margin-right: 12px;
            accent-color: var(--primary-color);
            cursor: pointer;
        }
        .checkbox-label .wpcf7-form-control,
        .checkbox-label .wpcf7-list-item,
        .checkbox-label .wpcf7-list-item label {
            display: inline-flex;
            align-items: center;
        }
        .checkbox-label .wpcf7-list-item {
            margin: 0;
        }
        .checkbox-label .wpcf7-list-item-label {
            font-weight: 400;
            line-height: 1.4;
            white-space: nowrap;
        }

        .submit-btn-wrap {
            text-align: center;
        }
        .submit-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 20px 80px;
            font-size: 1.15rem;
            font-weight: 700;
            border-radius: 40px;
            cursor: pointer;
            transition: 0.3s;
            font-family: 'Noto Serif JP', serif;
            letter-spacing: 2px;
            box-shadow: 0 5px 15px rgba(42, 61, 49, 0.2);
        }
        .submit-btn:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(197, 160, 89, 0.3);
        }
        .submit-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* --- Footer --- */
        footer { background: #fff; padding: 80px 4% 50px; text-align: center; border-top: 1px solid #eee; }
        .footer-nav { display: flex; justify-content: center; gap: 40px; margin-bottom: 40px; flex-wrap: wrap; }
        .footer-nav a { font-family: 'Montserrat', sans-serif; text-decoration: none; color: #444; font-size: 1rem; transition: 0.3s; font-weight: 600; letter-spacing: 0.05em; }
        .footer-nav a:hover { color: var(--accent-color); }
        .footer-copy { font-family: 'Montserrat', sans-serif; font-size: 0.85rem; color: #999; letter-spacing: 2px; margin-top: 30px; }

        @media (max-width: 1024px) { .header-nav { display: none; } }
        @media (max-width: 768px) {
            header,
            .breadcrumb,
            .contact-wrapper { padding-left: 15px; padding-right: 15px; }
            header { flex-wrap: nowrap; gap: 10px; }
            .logo { flex: 0 1 auto; font-size: 1.25rem; letter-spacing: 1px; white-space: nowrap; }
            .nav-right-btns { flex: 0 0 auto; gap: 0; }
            .nav-btn { padding: 7px 10px; font-size: 0.78rem; letter-spacing: 0.08em; white-space: nowrap; }
            .line-notice { padding: 30px 20px; }
            .form-container { padding: 35px 20px; }
            .form-control,
            .form-container .wpcf7 input[type="text"],
            .form-container .wpcf7 input[type="email"],
            .form-container .wpcf7 input[type="tel"],
            .form-container .wpcf7 input[type="url"],
            .form-container .wpcf7 input[type="number"],
            .form-container .wpcf7 select,
            .form-container .wpcf7 textarea { padding-left: 15px; padding-right: 15px; }
            .privacy-policy-box { padding-left: 20px; padding-right: 20px; }
            .required,
            .optional { padding-left: 10px; padding-right: 10px; }
            .checkbox-label { font-size: 1rem; white-space: nowrap; }
            .submit-btn,
            .form-container .wpcf7 input[type="submit"] { width: 100%; padding: 20px 0; }
        }