@charset "UTF-8";

.section_padding {
	padding: 40px 0;
}
h2.sec_title { 
            font-size: 1.6em; /* Mobile size */
            color: var(--color_main); 
            text-align: center; 
            margin-bottom: 40px; 
            font-weight: bold; 
            position: relative; 
            padding-bottom: 20px;
        }
        h2.sec_title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--color_accent);
        }
        
        h3.item_title {
            background: transparent;
            padding: 0 0 10px 0;
            margin: 0 0 1.5em;
            border-bottom: 2px solid var(--color_accent);
            font-size: 1.4em;
            font-weight: bold;
            color: var(--color_main);
        }
        
        h3.sub_title {
            font-size: 1.1em;
            font-weight: bold;
            margin: 2em 0 1em;
            color: var(--color_main);
            border-bottom: 1px dashed var(--color_accent);
            padding-bottom: 5px;
            display: inline-block;
        }
/* 2 Column Layout (Flex) - Default Mobile */
        .intro_flex {
            display: flex;
            flex-direction: column-reverse;
            gap: 25px;
        }
        .intro_flex .text_area { width: 100%; }
        .intro_flex .img_area {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        /* 2 Column Layout for Approaches (Larger Image) */
        .approach_flex {
            display: flex;
            flex-direction: column-reverse;
            gap: 25px;
        }
        .approach_flex .text_area { width: 100%; }
        .approach_flex .img_area { width: 100%; }
        
        /* PC Layout Override */
        @media (min-width: 768px) {
            .intro_flex {
                flex-direction: row;
                align-items: stretch;
                justify-content: space-between;
                gap: 40px;
            }
            .intro_flex.reverse { flex-direction: row-reverse; }
            
            /* Lead Section PC Ratio */
            .intro_flex.lead_section {
                flex-direction: row-reverse;
                align-items: center;
            }
            .intro_flex.lead_section .text_area { 
                width: 52%; 
                text-align: left;
            }
            .intro_flex.lead_section .text_area .area_common_lead_text {
                text-align: left;
            }
            .intro_flex.lead_section .img_area { 
                width: 42%; 
                flex-shrink: 0;
            }

            /* Default Ratio */
            .intro_flex .text_area { flex: 1; }
            .intro_flex .img_area { width: 35%; flex-shrink: 0; }

            .intro_flex .gray_box { height: 100%; padding-top: 0; }
            .intro_flex.lead_section .gray_box { height: 0; padding-top: 65%; }
            
            /* Approach Section PC Ratio (Larger Image) */
            .approach_flex {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 40px;
            }
            .approach_flex.reverse { flex-direction: row-reverse; }
            .approach_flex .text_area { width: 50%; }
            .approach_flex .img_area { width: 45%; flex-shrink: 0; }
        }

        /* Image Placeholder */
        .gray_box {
            width: 100%;
            height: 0;
            padding-top: 65%;
            background-color: #d9d9d9;
            border-radius: 6px;
            position: relative;
        }
        
        /* Tables - Scrollable */
        .scroll_table_wrapper {
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin-bottom: 20px;
        }
        
        .tax_table { 
            width: 100%; 
            min-width: 600px;
            border-collapse: collapse; 
            background: #fff; 
        }
        .tax_table th, .tax_table td { 
            border: 1px solid #e5e5e5; 
            padding: 15px; 
            text-align: left; 
            box-sizing: border-box;
        }
        .tax_table th { 
            background: #f2f7f8; 
            color: var(--color_main); 
            font-weight: bold; 
        }

        /* Content Box - Mobile First */
        .content_box {
            background: #fff;
            border: 1px solid #e5e5e5;
            padding: 25px;
            border-radius: 0px;
            margin-bottom: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.02);
        }
        /* PC Box Override */
        @media (min-width: 768px) { 
            .content_box { padding: 40px; margin-bottom: 40px; } 
        }

        /* Calculation Box */
        .calc_box { 
            background: #fcfcfc; 
            border: 2px solid var(--color_accent); 
            padding: 20px; 
            text-align: center; 
            margin: 30px 0; 
            border-radius: 0px; 
            width: 100%;
            box-sizing: border-box;
        }
        .calc_formula { font-size: 1.1em; font-weight: bold; color: var(--color_main); display: block; margin-bottom: 10px; }
        @media (min-width: 600px) { 
            .calc_box { padding: 30px; }
            .calc_formula { font-size: 1.4em; } 
        }

        /* Simulation Box */
        .sim_box { 
            border: 1px solid #ccc; 
            border-top: 4px solid var(--color_main); 
            padding: 25px; 
            margin: 30px 0; 
            background: #fff; 
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        @media (min-width: 600px) {
            .sim_box { padding: 40px; }
        }
        
        /* Lists */
        .point_list { list-style: none; padding: 0; margin: 1em 0; }
        .point_list li { position: relative; padding-left: 1.5em; margin-bottom: 0.8em; }
        .point_list li::before { 
            content: "●"; color: var(--color_accent); position: absolute; left: 0; top: 0; 
        }

        /* Check List Box */
        .check_list_box {
            background: #f7fbfb;
            border: 2px solid var(--color_accent);
            padding: 20px;
            border-radius: 0px;
            margin: 2em 0;
        }
        .check_list_item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 12px;
            border-bottom: 1px dashed #cce0e3;
            padding-bottom: 8px;
        }
        .check_list_item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
        .check_title { 
            color: var(--color_accent); 
            font-weight: bold; 
            font-size: 1.2em; 
            margin-bottom: 20px; 
            display: flex; 
            align-items: center; 
        }
        .check_title::before { content: "✓"; margin-right: 10px; font-weight: bold; }
        @media (min-width: 600px) {
            .check_list_box { padding: 30px; }
            .check_title { font-size: 1.4em; }
        }

        /* Highlight Elements */
        .highlight_red { color: var(--color_warning); font-weight: bold; }
        
        /* Diff Highlight Section - Mobile First */
        .diff_highlight_box {
            text-align: center;
            background: #fff;
            border: 3px solid #e44141;
            padding: 15px;
            border-radius: 0px;
            margin-top: 20px;
            color: #333;
            font-weight: bold;
            font-size: 0.9em;
        }
        .diff_val {
            color: #e44141;
            font-size: 1.2em;
            display: block;
            margin-top: 5px;
            margin-left: 0;
        }
        @media (min-width: 600px) {
            .diff_highlight_box { font-size: 1.1em; padding: 15px 20px; }
            .diff_val { font-size: 1.4em; display: inline; margin-top: 0; margin-left: 5px; }
        }
        
        /* Breadcrumb */
        .breadcrumb_area { padding: 15px 20px; background: #f2f2f2; font-size: 0.85em; color: #666; }
        .breadcrumb_area a { color: #666; }
        
        /* Reference Link */
        .ref_link { 
            display: block; text-align: right; font-size: 0.8em; color: #888; margin-top: 10px; font-style: normal;
        }
        
        .note_text { font-size: 0.9em; color: #666; margin-top: 0.5em; }

        /* Mid-page CTA */
        .mid_cta_box {
            background: #fdfdfd;
            border: 1px solid #e5e5e5;
            padding: 40px 20px;
            text-align: center;
            margin: 40px 0;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }
        .mid_cta_title {
            font-size: 1.4em;
            font-weight: bold;
            color: var(--color_main);
            margin-bottom: 20px;
        }
        @media (min-width: 600px) {
            .mid_cta_box { padding: 50px 20px; margin: 60px 0; }
            .mid_cta_title { font-size: 1.6em; }
        }

        /* Result Box Style */
        .result_box {
            background: #eef6f8; 
            padding: 30px 20px;
            text-align: center;
            border-radius: 8px;
            margin-top: 30px;
        }
        .result_title { font-size: 1.1em; font-weight: bold; color: var(--color_main); margin-bottom: 10px; display: block; }
        .result_price { font-size: 2em; font-weight: bold; color: #e44141; letter-spacing: 0.05em; line-height: 1.2; }
        .result_price span { font-size: 0.5em; margin-left: 5px; color: #333; }
        @media (min-width: 600px) {
            .result_box { padding: 40px 30px; }
            .result_price { font-size: 2.4em; }
        }

        /* Grid Cards - Mobile First */
        .grid_2col {
            display: grid;
            grid-template-columns: 1fr; /* Mobile 1 column */
            gap: 20px;
            margin-bottom: 40px;
        }
        .grid_card {
            background: #fff;
            border: 1px solid #e5e5e5;
            padding: 0;
            border-radius: 0px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 0 4px 10px rgba(0,0,0,0.03);
        }
        .grid_card_content {
            padding: 25px;
        }
        .grid_card h4 {
            font-size: 1.2em;
            font-weight: bold;
            color: var(--color_main);
            margin: 0 0 15px 0;
            border-bottom: 2px solid var(--color_accent);
            padding-bottom: 10px;
            display: inline-block;
        }
        /* PC Grid Override */
        @media (min-width: 600px) {
            .grid_2col { grid-template-columns: 1fr 1fr; gap: 30px; }
        }