/*
Theme Name: LUMINA Theme
Description: LUMINAサイト専用テーマ
Version: 1.1
Author: LUMINA
*/

:root{--white:#fff;--off-white:#fafafa;--light-gray:#f5f5f5;--mid-gray:#e8e8e8;--text-dark:#2a2a2a;--text-medium:#555;--text-light:#666;--accent:#c9a86c;--accent-dark:#b08d4f;--accent-light:#f5efe6;--shadow-sm:0 2px 8px rgba(0,0,0,.06);--shadow-md:0 4px 20px rgba(0,0,0,.08);--transition:all .3s cubic-bezier(.4,0,.2,1)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;font-weight:400;color:var(--text-dark);background:var(--white);line-height:1.8;font-size:15px}
h1,h2,h3,h4{font-family:'Cormorant Garamond',serif;font-weight:500;letter-spacing:.05em}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}
.container{max-width:1200px;margin:0 auto;padding:0 2rem}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.98);backdrop-filter:blur(10px);border-bottom:1px solid var(--mid-gray)}
.header-inner{max-width:1400px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo-img{height:50px;width:auto}
.nav{display:flex;align-items:center}
.nav-list{display:flex;list-style:none}
.nav-link{display:block;padding:.8rem 1rem;color:var(--text-dark);text-decoration:none;font-size:.85rem}
.nav-link:hover,.nav-link.active{color:var(--accent)}
.menu-toggle{display:none;flex-direction:column;gap:6px;cursor:pointer;padding:10px;z-index:1001}
.menu-toggle span{width:28px;height:2px;background:var(--text-dark);transition:var(--transition)}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}
.mobile-nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:var(--white);z-index:999;padding:100px 2rem 2rem;overflow-y:auto;transform:translateX(100%);transition:var(--transition)}
.mobile-nav.active{transform:translateX(0)}
.mobile-nav-list{list-style:none}
.mobile-nav-item{border-bottom:1px solid var(--light-gray)}
.mobile-nav-link{display:block;padding:1rem 0;color:var(--text-dark);text-decoration:none;font-size:1rem}

/* Blog Content */
.site-main{padding-top:100px;padding-bottom:4rem;min-height:70vh}
.blog-container{max-width:900px;margin:0 auto;padding:0 2rem}
.page-header-blog{text-align:center;margin-bottom:3rem}
.page-header-blog h1{font-size:2.5rem;color:var(--text-dark);margin-bottom:.5rem}
.page-header-blog p{color:var(--text-medium);font-size:.9rem}

/* Post List */
.post-list{display:flex;flex-direction:column;gap:2rem}
.post-card{background:var(--white);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.post-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.post-card-content{padding:1.5rem}
.post-card h2{font-size:1.3rem;margin-bottom:.5rem;font-family:'Noto Sans JP',sans-serif}
.post-card h2 a{color:var(--text-dark)}
.post-card h2 a:hover{color:var(--accent)}
.post-meta{font-size:.8rem;color:var(--text-light);margin-bottom:1rem}
.post-excerpt{color:var(--text-medium);line-height:1.8}

/* Single Post - フルワイド対応 */
.single-post-header{max-width:900px;margin:0 auto;padding:0 1rem 2rem;text-align:center}
.single-post-header h1{font-size:1.8rem;margin-bottom:1rem;font-family:'Noto Sans JP',sans-serif}
.single-post-header .post-meta{padding-bottom:1rem;border-bottom:1px solid var(--mid-gray)}
.single-post-thumbnail{max-width:900px;margin:0 auto 2rem;padding:0 1rem}
.single-post-thumbnail img{width:100%;height:auto;border-radius:8px}

/* 投稿本文 - PCは制限、スマホはフルワイド */
.single-post-content{max-width:900px;margin:0 auto;padding:0 1rem;overflow:hidden}
.single-post-content>div{width:100%}

/* 戻るリンク */
.back-to-blog{max-width:900px;margin:2rem auto 0;padding:0 1rem}
.back-to-blog a{display:inline-block;padding:1rem 1.5rem;background:#f5f5f5;border-radius:8px;color:#c9a86c}

/* Footer */
.footer{background:var(--text-dark);color:var(--white);padding:4rem 2rem 2rem}
.footer-content{max-width:1200px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand p:first-child{font-family:'Cormorant Garamond',serif;font-size:1.8rem;margin-bottom:1rem}
.footer-brand p:last-child{color:rgba(255,255,255,.6);font-size:.85rem}
.footer-title{font-family:'Cormorant Garamond',serif;font-size:1.1rem;margin-bottom:1.5rem}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.8rem}
.footer-links a{color:rgba(255,255,255,.6);text-decoration:none;font-size:.85rem}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:2rem;text-align:center}
.copyright{color:rgba(255,255,255,.5);font-size:.8rem}

/* Responsive */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{height:70px;padding:0 1rem}
  .nav{display:none}
  .menu-toggle{display:flex}
  .mobile-nav{display:block}
  .container,.blog-container{padding:0 1rem}
  .site-main{padding-top:90px}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .single-post-header,.single-post-thumbnail,.back-to-blog{padding:0 1rem}
  .single-post-content{max-width:100%;padding:0}
}