/* ========== BASE ========== */
:root{--primary:#1a5276;--primary-light:#2980b9;--accent:#e67e22;--accent-light:#f39c12;--dark:#1a1a2e;--dark2:#16213e;--text:#2c3e50;--text-light:#7f8c8d;--bg:#fefefe;--bg2:#f8f9fa;--white:#fff;--shadow:0 2px 15px rgba(0,0,0,.08);--shadow-lg:0 10px 40px rgba(0,0,0,.12);--radius:12px;--transition:all .3s ease}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Noto Serif',Georgia,serif;color:var(--text);background:var(--bg);line-height:1.8;font-size:17px}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-family:'Noto Sans JP','Inter',sans-serif;color:var(--dark);line-height:1.3}

/* ========== HEADER ========== */
.top-bar{background:var(--dark);color:var(--white);padding:8px 0;font-size:13px;text-align:center;font-family:sans-serif}
.top-bar a{color:var(--accent-light);margin:0 12px}
.site-header{background:var(--white);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}
.header-inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo h1{font-size:26px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo span{font-size:13px;color:var(--text-light);font-family:sans-serif}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-family:sans-serif;font-weight:500;font-size:15px;color:var(--text);position:relative;padding:4px 0}
.nav a:hover{color:var(--primary)}
.nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:var(--transition)}
.nav a:hover::after{width:100%}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--dark);transition:var(--transition)}

/* ========== HERO ========== */
.hero{position:relative;height:70vh;min-height:500px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(26,82,118,.85),rgba(26,26,46,.7));z-index:1}
.hero-content{position:relative;z-index:2;text-align:center;color:var(--white);max-width:700px;padding:0 24px}
.hero-content h2{font-size:52px;font-weight:900;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-content p{font-size:20px;opacity:.9;margin-bottom:28px;font-style:italic}
.hero-btn{display:inline-block;background:var(--accent);color:var(--white);padding:14px 36px;border-radius:50px;font-family:sans-serif;font-weight:700;font-size:16px;transition:var(--transition)}
.hero-btn:hover{background:var(--accent-light);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 25px rgba(230,126,34,.4)}

/* ========== SECTIONS ========== */
.section{padding:80px 24px}
.section-inner{max-width:1200px;margin:0 auto}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:36px;font-weight:800;margin-bottom:8px}
.section-header p{color:var(--text-light);font-size:17px;max-width:600px;margin:0 auto}
.section-header .divider{width:60px;height:3px;background:var(--accent);margin:16px auto 0;border-radius:2px}

/* ========== BLOG GRID ========== */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:28px}
.blog-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.blog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.blog-card-img{height:240px;overflow:hidden}
.blog-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.blog-card:hover .blog-card-img img{transform:scale(1.08)}
.blog-card-body{padding:24px}
.blog-card-cat{display:inline-block;font-family:sans-serif;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--primary);background:rgba(26,82,118,.08);padding:4px 12px;border-radius:20px;margin-bottom:12px}
.blog-card-title{font-size:20px;font-weight:700;margin-bottom:8px;line-height:1.4}
.blog-card-title a{color:var(--dark)}
.blog-card-title a:hover{color:var(--primary)}
.blog-card-excerpt{font-size:15px;color:var(--text-light);line-height:1.7;margin-bottom:16px}
.blog-card-meta{font-family:sans-serif;font-size:13px;color:var(--text-light);display:flex;align-items:center;gap:16px}
.blog-card-meta svg{width:14px;height:14px;fill:currentColor}

/* ========== FEATURED ========== */
.featured{display:grid;grid-template-columns:1.2fr 1fr;gap:0;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:28px}
.featured-img{min-height:400px;overflow:hidden}
.featured-img img{width:100%;height:100%;object-fit:cover}
.featured-body{padding:40px;display:flex;flex-direction:column;justify-content:center}
.featured-body .blog-card-cat{margin-bottom:16px}
.featured-body h3{font-size:28px;font-weight:800;margin-bottom:12px}
.featured-body p{color:var(--text-light);margin-bottom:20px;line-height:1.8}
.read-more{display:inline-flex;align-items:center;gap:6px;font-family:sans-serif;font-weight:600;font-size:15px;color:var(--primary)}
.read-more:hover{color:var(--accent);gap:10px}
.read-more svg{width:16px;height:16px;fill:currentColor;transition:var(--transition)}

/* ========== BLOG POST ========== */
.post-hero{position:relative;height:50vh;min-height:380px;overflow:hidden}
.post-hero img{width:100%;height:100%;object-fit:cover}
.post-hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to top,rgba(26,26,46,.9),transparent 60%);display:flex;align-items:flex-end;padding:40px}
.post-hero-content{max-width:800px;color:var(--white)}
.post-hero-content h1{font-size:40px;font-weight:900;color:var(--white);margin-bottom:12px;text-shadow:0 2px 10px rgba(0,0,0,.3)}
.post-hero-content .meta{font-family:sans-serif;font-size:14px;opacity:.85;display:flex;gap:16px;flex-wrap:wrap}
.post-content{max-width:780px;margin:0 auto;padding:48px 24px}
.post-content p{margin-bottom:20px;font-size:17px;line-height:1.9}
.post-content h2{font-size:28px;font-weight:700;margin:40px 0 16px;color:var(--dark)}
.post-content h3{font-size:22px;font-weight:600;margin:32px 0 12px;color:var(--dark)}
.post-content img{border-radius:var(--radius);margin:28px 0;box-shadow:var(--shadow)}
.post-content .img-caption{font-family:sans-serif;font-size:14px;color:var(--text-light);text-align:center;margin:-20px 0 28px}
.post-content blockquote{border-left:4px solid var(--accent);padding:16px 24px;margin:28px 0;background:var(--bg2);border-radius:0 var(--radius) var(--radius) 0;font-style:italic;color:var(--text-light)}
.post-content ul,.post-content ol{margin:16px 0 24px 28px}
.post-content li{margin-bottom:8px;line-height:1.7}
.post-content .info-box{background:linear-gradient(135deg,rgba(26,82,118,.05),rgba(230,126,34,.05));border:1px solid rgba(26,82,118,.1);border-radius:var(--radius);padding:24px;margin:28px 0}
.post-content .info-box h4{font-family:sans-serif;font-size:16px;font-weight:700;color:var(--primary);margin-bottom:8px;display:flex;align-items:center;gap:8px}

/* ========== SIDEBAR LAYOUT ========== */
.post-layout{max-width:1200px;margin:0 auto;padding:48px 24px;display:grid;grid-template-columns:1fr 320px;gap:40px}

/* ========== SIDEBAR ========== */
.sidebar-widget{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.sidebar-widget h3{font-size:18px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--bg2)}
.sidebar-widget ul{list-style:none}
.sidebar-widget li{padding:8px 0;border-bottom:1px solid var(--bg2)}
.sidebar-widget li:last-child{border:none}
.sidebar-widget li a{font-size:15px;color:var(--text);display:flex;align-items:center;gap:8px}
.sidebar-widget li a:hover{color:var(--primary);padding-left:4px}

/* ========== NEWSLETTER ========== */
.newsletter{background:linear-gradient(135deg,var(--primary),var(--dark2));padding:60px 24px;text-align:center;color:var(--white)}
.newsletter h2{font-size:32px;font-weight:800;margin-bottom:8px;color:var(--white)}
.newsletter p{opacity:.85;margin-bottom:24px;max-width:500px;margin-left:auto;margin-right:auto}
.newsletter-form{display:flex;gap:8px;max-width:460px;margin:0 auto}
.newsletter-form input{flex:1;padding:14px 20px;border:none;border-radius:50px;font-size:15px;outline:none}
.newsletter-form button{background:var(--accent);color:var(--white);border:none;padding:14px 28px;border-radius:50px;font-weight:700;font-size:15px;cursor:pointer;transition:var(--transition);white-space:nowrap}
.newsletter-form button:hover{background:var(--accent-light)}

/* ========== FOOTER ========== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:60px 24px 24px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-col h4{color:var(--white);font-family:sans-serif;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.7}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:rgba(255,255,255,.6);font-size:14px}
.footer-col a:hover{color:var(--accent-light)}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:13px;font-family:sans-serif}

/* ========== PAGES ========== */
.page-header{background:linear-gradient(135deg,var(--primary),var(--dark2));padding:60px 24px;text-align:center;color:var(--white)}
.page-header h1{font-size:38px;font-weight:800;color:var(--white);margin-bottom:8px}
.page-header p{opacity:.8;font-size:17px}
.page-content{max-width:800px;margin:0 auto;padding:48px 24px}
.page-content h2{font-size:26px;font-weight:700;margin:32px 0 12px;color:var(--dark)}
.page-content p{margin-bottom:16px;line-height:1.8}
.page-content ul{margin:12px 0 20px 28px}
.page-content li{margin-bottom:6px}

/* ========== CONTACT ========== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:900px;margin:0 auto}
.contact-form label{display:block;font-family:sans-serif;font-weight:600;font-size:14px;margin-bottom:4px;margin-top:16px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px;font-family:inherit;transition:var(--transition)}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary);outline:none}
.contact-form textarea{min-height:150px;resize:vertical}
.contact-form button{margin-top:20px;background:var(--primary);color:var(--white);border:none;padding:14px 36px;border-radius:50px;font-weight:700;font-size:16px;cursor:pointer;transition:var(--transition)}
.contact-form button:hover{background:var(--primary-light)}

/* ========== RESPONSIVE ========== */
@media(max-width:900px){
  .featured{grid-template-columns:1fr}
  .featured-img{min-height:280px}
  .blog-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .post-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav{display:none}
  .hamburger{display:flex}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--white);padding:20px;box-shadow:var(--shadow);gap:16px}
}
@media(max-width:600px){
  .hero-content h2{font-size:32px}
  .post-hero-content h1{font-size:26px}
  .footer-inner{grid-template-columns:1fr}
  .newsletter-form{flex-direction:column}
  .section{padding:48px 16px}
}