/*
Theme Name: Minimal News Wireframe
Theme URI: https://example.com/
Author: ChatGPT
Author URI: https://example.com/
Description: A stylish, simple, text-only news theme inspired by a wireframe layout. Responsive for desktop and mobile.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: minimal-news-wireframe
Tags: news, blog, one-column, two-columns, custom-menu, sticky-post, responsive-layout, accessibility-ready
*/

/* -------------------------------------------------------
   Base
-------------------------------------------------------- */
:root{
  --bg:#fafafa;
  --paper:#ffffff;
  --text:#111;
  --muted:#666;
  --line:#e6e6e6;
  --line-strong:#d6d6d6;
  --max:1100px;
  --pad:22px;
  --radius:12px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
}

a{color:inherit; text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%; height:auto;}
p{margin:0 0 1em;}
small{color:var(--muted);}

/* -------------------------------------------------------
   Layout helpers
-------------------------------------------------------- */
.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--pad);
}

.surface{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
}

.hr{
  height:1px;
  background:var(--line);
  margin:18px 0;
}

/* -------------------------------------------------------
   Header / Nav
-------------------------------------------------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:rgba(250,250,250,0.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 0;
}

.brand{
  font-weight:800;
  letter-spacing:0.02em;
  font-size:20px;
}

.brand a:hover{text-decoration:none;}
.brand small{display:block; font-weight:500; font-size:12px; color:var(--muted); margin-top:2px;}

.nav-toggle{
  display:none;
  border:1px solid var(--line-strong);
  background:var(--paper);
  padding:8px 10px;
  border-radius:10px;
  cursor:pointer;
  font:inherit;
}

.main-nav ul{
  list-style:none;
  display:flex;
  gap:18px;
  margin:0;
  padding:0;
  font-size:14px;
  letter-spacing:0.06em;
  text-transform:uppercase;
}
.main-nav a{opacity:.9;}
.main-nav a:hover{opacity:1; text-decoration:none;}

/* -------------------------------------------------------
   Wireframe sections
-------------------------------------------------------- */
.main{
  padding:22px 0 48px;
}

.hero{
  padding:28px;
}
.hero .kicker{
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:0.08em;
  font-size:12px;
}
.hero h1{
  margin:10px 0 10px;
  font-size: clamp(26px, 4vw, 40px);
  line-height:1.2;
}
.hero .excerpt{color:var(--muted); max-width:72ch;}
.hero .meta{margin-top:12px; color:var(--muted); font-size:13px;}

.grid-2{
  display:grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap:20px;
}

.card{
  padding:20px;
}

.card h2,
.card h3{
  margin:0 0 8px;
  line-height:1.25;
}
.card h2{font-size:18px;}
.card h3{font-size:16px;}

.section-title{
  font-weight:800;
  letter-spacing:0.08em;
  text-transform:uppercase;
  font-size:12px;
  color:var(--muted);
  margin:0 0 12px;
}

.list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:12px;
}

.item{
  padding-top:12px;
  border-top:1px solid var(--line);
}
.item:first-child{border-top:none; padding-top:0;}

.item .title{
  font-weight:700;
  line-height:1.3;
}
.item .meta{
  font-size:12px;
  color:var(--muted);
}

.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}

/* -------------------------------------------------------
   Content templates
-------------------------------------------------------- */
.content-area{
  display:grid;
  grid-template-columns: 1fr;
  gap:18px;
}

.post{
  padding:22px;
}
.post-title{
  margin:0 0 10px;
  line-height:1.25;
}
.post-meta{
  color:var(--muted);
  font-size:13px;
  margin-bottom:16px;
}
.post-content a{ text-decoration:underline; }

.pagination{
  display:flex;
  gap:10px;
  justify-content:space-between;
  margin-top:18px;
}
.pagination a{
  padding:10px 12px;
  border:1px solid var(--line-strong);
  border-radius:10px;
  background:var(--paper);
}

/* -------------------------------------------------------
   Footer
-------------------------------------------------------- */
.site-footer{
  border-top:1px solid var(--line);
  padding:26px 0;
  color:var(--muted);
  font-size:13px;
}

/* -------------------------------------------------------
   Responsive
-------------------------------------------------------- */
@media (max-width: 860px){
  .grid-2{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;}
}

@media (max-width: 720px){
  :root{ --pad:16px; }
  .nav-toggle{display:inline-flex; align-items:center; gap:8px;}
  .main-nav{display:none;}
  .main-nav.is-open{display:block; width:100%;}
  .header-inner{flex-wrap:wrap; align-items:flex-start;}
  .main-nav ul{
    width:100%;
    flex-direction:column;
    gap:8px;
    padding:8px 0 0;
  }
  .main-nav a{
    display:block;
    padding:10px 10px;
    border:1px solid var(--line);
    border-radius:10px;
    background:var(--paper);
  }
}