* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f8f4ec;
            color: #2a2a2e;
            line-height: 1.7;
            scroll-behavior: smooth;
        }
        :root {
            --primary: #1a1a2e;
            --accent: #e94560;
            --bg-light: #fffaf2;
            --bg-dark: #16213e;
            --text-dark: #1e1e24;
            --text-soft: #4a4a55;
            --border-light: #e7dfd0;
        }
        a:focus-visible, button:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .top-header {
            background: var(--primary);
            color: white;
            padding: 0.5rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            text-decoration: none;
            color: #fff;
            background: linear-gradient(130deg, #ffd166, #f4a261);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
        }
        .my-logo i {
            background: none;
            -webkit-text-fill-color: #fff;
            margin-right: 5px;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            gap: 1rem;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #f0e9de;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.7rem;
            border-radius: 30px;
            transition: background 0.2s;
        }
        .nav-links a:hover {
            background: #e94560;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 0.75rem 1rem;
            background: #f1e9dc;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #888;
        }
        .main-container {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem 1.2rem;
            gap: 2rem;
        }
        .hero-block {
            background: linear-gradient(120deg, #1f2b46, #2c1b32);
            border-radius: 40px 40px 20px 20px;
            padding: 2.5rem 2rem;
            color: white;
            position: relative;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        .hero-block h1 {
            font-size: clamp(2.2rem, 8vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .hero-block h1 span {
            color: #ffb347;
        }
        .hero-block p {
            max-width: 700px;
            margin-top: 1rem;
            font-size: 1.2rem;
            opacity: 0.85;
        }
        .hero-block .quick-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 1.8rem;
        }
        .quick-stats div {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(4px);
            padding: 0.5rem 1rem;
            border-radius: 40px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 260px minmax(0, 1fr);
            gap: 2rem;
            align-items: start;
        }
        .sidebar-guide {
            position: sticky;
            top: 1rem;
            background: var(--bg-light);
            border-radius: 24px;
            padding: 1.2rem;
            border: 1px solid var(--border-light);
            box-shadow: 0 5px 12px rgba(0,0,0,0.03);
        }
        .sidebar-guide h4 {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 0.8rem;
            border-bottom: 1px dashed #ccc;
            padding-bottom: 8px;
        }
        .sidebar-guide ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .sidebar-guide a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 0.95rem;
            display: flex;
            gap: 8px;
            align-items: center;
            padding: 6px 8px;
            border-radius: 10px;
        }
        .sidebar-guide a:hover {
            background: #f6e8da;
            color: var(--accent);
        }
        .hashira-article {
            background: white;
            border-radius: 28px;
            padding: 2.2rem 2rem;
            box-shadow: 0 8px 24px rgba(0,0,0,0.03);
            border: 1px solid #f1e2d0;
        }
        .hashira-article h2 {
            font-size: 1.9rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
            color: var(--primary);
        }
        .hashira-article h3 {
            font-size: 1.5rem;
            margin: 2rem 0 0.8rem;
            color: #16324f;
        }
        .hashira-article h4 {
            font-size: 1.15rem;
            margin: 1.5rem 0 0.5rem;
            color: #b03a48;
        }
        .hashira-article p {
            margin-bottom: 1.1rem;
            color: var(--text-soft);
        }
        .hashira-article strong {
            color: var(--text-dark);
            font-weight: 700;
        }
        .article-img {
            width: 100%;
            border-radius: 24px;
            margin: 1.8rem 0;
            box-shadow: 0 12px 24px rgba(0,0,0,0.12);
            border: 4px solid #fff;
            background: #e7e0d4;
        }
        .img-caption {
            text-align: center;
            font-size: 0.9rem;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        .callout-box {
            background: #f1efe8;
            padding: 1.4rem 1.6rem;
            border-radius: 20px;
            border-left: 6px solid var(--accent);
            margin: 2rem 0;
            font-style: normal;
        }
        .callout-box i {
            color: var(--accent);
            margin-right: 8px;
        }
        .hashira-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background: #fffaf2;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .hashira-table th {
            background: var(--primary);
            color: white;
            padding: 14px 12px;
            text-align: left;
        }
        .hashira-table td {
            padding: 14px 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .hashira-table tr:last-child td {
            border-bottom: none;
        }
        .interactive-box {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin: 2.5rem 0 1rem;
        }
        .box-card {
            flex: 1 1 240px;
            background: #fff8ef;
            padding: 1.2rem;
            border-radius: 20px;
            border: 1px solid #e8d8c0;
            transition: transform 0.15s;
        }
        .box-card:hover {
            transform: translateY(-4px);
        }
        .box-card h4 {
            margin-bottom: 0.8rem;
        }
        .box-card input, .box-card textarea {
            width: 100%;
            padding: 10px 8px;
            border: 1px solid #ccc;
            border-radius: 12px;
            background: white;
            margin: 4px 0;
            font-family: inherit;
        }
        .box-card button {
            background: var(--accent);
            color: white;
            border: none;
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            width: auto;
        }
        .box-card button:hover {
            background: #c0314c;
        }
        .hidden-note {
            color: #888;
            font-size: 0.85rem;
            margin-top: 8px;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.5rem;
            color: #ffb830;
        }
        .star-rating i {
            cursor: pointer;
            transition: transform 0.1s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .friend-links {
            background: #141c2c;
            color: #ddd;
            padding: 2rem 1.5rem 1rem;
            margin-top: 2rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            font-size: 1rem; 
        }
        friend-link a {
            color: #ffb966;
            text-decoration: none;
            padding: 6px 10px;
            border: 1px solid #33475b;
            border-radius: 40px;
        }
        friend-link a:hover {
            background: #e94560;
            color: white;
        }
        .footer-copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2b3b4e;
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: #aab8c4;
        }
        .in-content-link {
            color: #c2334d;
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 500;
        }
        .in-content-link:hover {
            background: #fff0d0;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-guide {
                position: static;
                order: -1;
                display: none; 
            }
            .nav-links {
                display: flex;
                flex-direction: column;
                width: 100%;
                background: var(--primary);
                padding: 1rem;
                border-radius: 16px;
                margin-top: 0.5rem;
            }
            .nav-links.hidden-mobile {
                display: none;
            }
            .nav-toggle {
                display: block;
                margin-left: auto;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 600px) {
            .hero-block {
                padding: 1.8rem 1rem;
            }
            .hero-block .quick-stats {
                flex-direction: column;
                gap: 0.8rem;
            }
            .hashira-article {
                padding: 1.5rem 0.8rem;
            }
            .hashira-table {
                font-size: 0.8rem;
                overflow-x: auto;
                display: block;
            }
        }