/* 開発手法専用スタイル */

/* 開発メインビジュアル */
.dev_main_img {
/*    background: linear-gradient(135deg, #38bbed 0%, #05abe0 50%);*/
	background: url(../../img/sub_page_title_bk.svg) repeat-x center bottom;
    color: white;
    text-align: center;
    padding: 18vw 0 100px;
}

.dev_main_img_title {
	width: min(94%, 1180px);
	margin: 0 auto 2rem;
	font-size: 3.5rem;
	font-weight: 700;
	letter-spacing: 0.1em;
}

.dev_main_img_subtitle {
	width: min(94%, 1180px);
	margin: 0 auto;
    font-size: 1.3rem;
	font-weight: 700;
    line-height: 1.8;
}




/* 共通 */
.dev_main .title {
	margin-bottom: 1.5rem;
	text-align: center;
	font-weight: 700;
	font-size: 3rem;
	letter-spacing: 0.08em;
	
}
.dev_main .service_top_txt {
	margin: 0 0 60px;
	color: #666;
	text-align: center;
    font-size: 1.4rem;
    font-weight: bold;
    line-height: 1.9;
}
#dev_about,
#dev_process,
#dev_agile_detail,
#dev_benefits,
#dev_bug_management,
#dev_cases,
#dev_tools,
#dev_environment {
	width: min(94%, 1180px);
	margin: 0 auto;
	padding: min(10vw, 100px) 0;
}


/* 開発概要セクション */
#dev_about {
/*	background: #38bbed url(../img/main_img_bk.svg) no-repeat center bottom;
    background-size: 100% auto;*/
}
.dev_about_top {
    text-align: center;
    margin-bottom: 4rem;
}

.dev_about_top .title {
/*    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #333;*/
}

.dev_about_top_txt {
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 開発手法カード */
.dev_point_list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.dev_point_list li {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.dev_point_list li:hover {
    transform: translateY(-5px);
}

.dev_point_icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
	color: #38bbed;
}
/*
.dev_prototype { color: #38bbed; }
.dev_agile { color: #05abe0; }
.dev_cost { color: #f093fb; }
*/
.dev_point_list h4 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}
.dev_point_list p {
    line-height: 1.8;
	text-align: left;
}

/* 開発プロセスセクション */
.dev_process_list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.dev_process_list li {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.dev_process_list li:hover {
    transform: translateY(-3px);
}

.dev_process_img {
    height: 200px;
	background-image: linear-gradient(45deg, #38bbed 20%, #1f65e8 100%);

    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.dev_process_txt {
    padding: 2rem;
}

.dev_process_txt h4 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
	text-align: center;
}

.dev_process_txt p {
	font-size: 1.2rem;
    color: #666;
    line-height: 1.7;
}

/* 開発フローセクション */
.dev_flow_section {
    background: #f8f9fa;
    padding: min(10vw, 100px) 0;
}

.dev_flow_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.dev_flow_item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    flex: 1;
    min-width: 200px;
    max-width: 300px;
    position: relative;
}

.dev_flow_item:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: #38bbed;
    font-weight: bold;
}

.dev_flow_number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #38bbed;
    margin-bottom: 1rem;
}

.dev_flow_title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.dev_flow_desc {
    color: #666;
    line-height: 1.6;
}

/* メリットセクション */
.dev_benefits_list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.dev_benefits_list li {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #38bbed;
}

.dev_benefits_icon {
    font-size: 2.5rem;
    color: #38bbed;
    margin-bottom: 1rem;
}

.dev_benefits_list h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.dev_benefits_list p {
    color: #666;
    line-height: 1.7;
}

/* 事例セクション */
.dev_cases_list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.dev_case_card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #38bbed;
}

.dev_case_title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.dev_case_desc {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.dev_case_result {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    color: #38bbed;
}

/* 開発ツールセクション */
.dev_tools_list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.dev_tools_list li {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.dev_tools_list li:hover {
    transform: translateY(-3px);
}

.dev_tools_icon {
    font-size: 2rem;
    color: #38bbed;
    margin-bottom: 0.5rem;
}

.dev_tools_list h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
}

/* CTAセクション */
.dev_cta_section {
    background: linear-gradient(135deg, #38bbed 0%, #05abe0 100%);

	
    color: white;
    text-align: center;
    padding: 4rem 0;
}

.dev_cta_button {
    display: inline-block;
    background: white;
    color: #38bbed;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 2rem;
    transition: transform 0.3s ease;
}

.dev_cta_button:hover {
    transform: translateY(-2px);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .dev_main_img_title {
        font-size: 2.5rem;
    }
    
    .dev_point_list,
    .dev_process_list,
    .dev_benefits_list,
    .dev_cases_list,
    .dev_tools_list {
        grid-template-columns: 1fr;
    }
    
    .dev_flow_list {
        flex-direction: column;
    }
    
    .dev_flow_item::after {
        display: none;
    }
    
}

/* 開発専用アニメーション */
.dev_fade_in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.dev_fade_in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* プログレスバー */
.dev_progress_bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.dev_progress_fill {
    height: 100%;
    background: linear-gradient(90deg, #38bbed, #05abe0);
    border-radius: 4px;
    transition: width 0.8s ease;
}

.dev_progress_60 { width: 60%; }
.dev_progress_80 { width: 80%; }
.dev_progress_100 { width: 100%; }

/* 不具合管理セクション */
.dev_bug_comparison {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 3rem;
    margin: 3rem 0;
    text-align: center;
}

.dev_bug_chart h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 2rem;
}

/* SVGグラフ */
.dev_bug_graph {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
    overflow-x: auto;
}

.dev_bug_svg {
    max-width: 100%;
    height: auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* レジェンド */
.dev_bug_legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.dev_bug_legend_item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #333;
}

.dev_bug_legend_color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

/* アニメーション */
.dev_bug_svg path {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 2s ease-in-out forwards;
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

.dev_bug_svg circle {
    opacity: 0;
    animation: fadeInPoint 0.5s ease-in-out forwards;
    animation-delay: 1s;
}

.dev_bug_svg circle:nth-child(1) { animation-delay: 1.2s; }
.dev_bug_svg circle:nth-child(2) { animation-delay: 1.4s; }
.dev_bug_svg circle:nth-child(3) { animation-delay: 1.6s; }
.dev_bug_svg circle:nth-child(4) { animation-delay: 1.8s; }
.dev_bug_svg circle:nth-child(5) { animation-delay: 2s; }

@keyframes fadeInPoint {
    to {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Let's Encrypt詳細セクション */
.dev_letsencrypt_detail {
    background: linear-gradient(135deg, #38bbed 0%, #05abe0 100%);
    color: white;
    border-radius: 15px;
    padding: 3rem;
    margin: 3rem 0;
}

.dev_letsencrypt_mission h4 {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: white;
}

.dev_letsencrypt_goals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.dev_letsencrypt_goal {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.dev_letsencrypt_goal:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.dev_letsencrypt_icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.dev_letsencrypt_goal h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.dev_letsencrypt_goal p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .dev_bug_svg {
        width: 100%;
        height: auto;
        min-width: 600px;
    }
    
    .dev_bug_legend {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .dev_bug_legend_item {
        font-size: 0.8rem;
    }
    
    .dev_letsencrypt_goals {
        grid-template-columns: 1fr;
    }
    
    .dev_letsencrypt_goal {
        padding: 1.5rem;
    }
    
    .dev_letsencrypt_mission h4 {
        font-size: 1.5rem;
    }
}

/* RedHatセクション */
.dev_redhat_section {
    background: linear-gradient(135deg, #cc0000 0%, #990000 100%);
    color: white;
    padding: 4rem 0;
    margin: 4rem 0;
}

.dev_redhat_section .title {
    color: white;
}

.dev_redhat_section .service_top_txt {
    color: white;
    opacity: 0.9;
}

.dev_redhat_detail {
    margin-top: 3rem;
}

.dev_redhat_benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.dev_redhat_benefit {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, background 0.3s ease;
}

.dev_redhat_benefit:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.dev_redhat_icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #ffcccc;
}

.dev_redhat_benefit h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.dev_redhat_benefit p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .dev_redhat_benefits {
        grid-template-columns: 1fr;
    }
    
    .dev_redhat_benefit {
        padding: 1.5rem;
    }
    
    .dev_redhat_benefit h4 {
        font-size: 1.1rem;
    }
}