/* =========================================================
   KEIBA ARENA - article.css
   記事一覧ページ専用CSS
   Magazine Renewal / 競馬カフェ × 上質なWebマガジン
   ※ common.css の後に読み込む
========================================================= */

:root{
  --article-max:1120px;
  --article-cream:#f7f0e5;
  --article-cream-2:#fffaf2;
  --article-paper:#fffdf8;
  --article-ink:#243028;
  --article-muted:#766b5f;
  --article-line:#e3d4bd;
  --article-green:#0f3d2e;
  --article-green-2:#174f3b;
  --article-gold:#c49a54;
  --article-brown:#7b5733;
  --article-shadow:0 22px 60px rgba(56,38,18,.12);
  --article-soft-shadow:0 10px 30px rgba(56,38,18,.09);
}

html{scroll-behavior:smooth;}

body{
  background:var(--cream,var(--article-cream));
  color:var(--ink,var(--article-ink));
}

img{
  max-width:100%;
  display:block;
}

a{
  text-decoration:none;
  color:inherit;
}

/* ===== Articles Hero ===== */
.articles-hero{
  max-width:var(--max,var(--article-max));
  margin:0 auto;
  padding:44px clamp(18px,4vw,38px) 28px;
}

.articles-hero-inner{
  min-height:330px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:center;
  overflow:hidden;
  background:var(--paper,var(--article-paper));
  border:1px solid var(--line,var(--article-line));
  box-shadow:var(--shadow,var(--article-shadow));
}

.articles-hero-copy{
  padding:42px clamp(24px,4vw,48px);
}

.eyebrow{
  margin:0 0 18px;
  color:var(--brown,var(--article-brown));
  font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;
  font-size:14px;
  letter-spacing:.22em;
}

.articles-hero h1{
  margin:0 0 22px;
  color:#4a2f1d;
  font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,"Times New Roman",serif;
  font-size:clamp(36px,4.3vw,52px);
  font-weight:500;
  line-height:1.28;
  letter-spacing:.08em;
}

.articles-hero p{
  max-width:560px;
  margin:0;
  color:#554b42;
  font-size:15px;
  line-height:2.05;
  letter-spacing:.05em;
}

.articles-hero-visual{
  height:100%;
  min-height:330px;
  position:relative;
  overflow:hidden;
}

.articles-hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(255,253,248,.72) 0%,rgba(255,253,248,.08) 45%,rgba(255,253,248,0) 100%),
    linear-gradient(180deg,rgba(15,61,46,0) 0%,rgba(15,61,46,.15) 100%);
}

.articles-hero-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* ===== Category Nav ===== */
.category-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:28px;
}

.category-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 16px;
  border:1px solid #d9c7ab;
  background:rgba(255,250,242,.68);
  color:#3d2a1d;
  font-size:13px;
  letter-spacing:.08em;
  transition:.25s ease;
}

.category-nav a::after{
  content:"→";
  color:var(--brown,var(--article-brown));
}

.category-nav a:hover{
  background:#fffdf8;
  transform:translateY(-2px);
  box-shadow:var(--article-soft-shadow);
}

/* ===== Layout ===== */
.articles-container{
  max-width:var(--max,var(--article-max));
  margin:0 auto;
  padding:0 clamp(18px,4vw,38px) 58px;
}

.article-section{
  padding-top:42px;
}

.section-heading{
  margin-bottom:24px;
}

.section-en{
  margin:0 0 7px;
  color:#3e2a1d;
  font-family:Georgia,"Times New Roman",serif;
  font-size:24px;
  letter-spacing:.08em;
  line-height:1;
}

.section-heading h2{
  margin:0 0 12px;
  color:var(--muted,var(--article-muted));
  font-size:13px;
  font-weight:600;
  letter-spacing:.13em;
}

.section-heading p{
  max-width:720px;
  margin:0;
  color:#655848;
  font-size:14px;
  line-height:1.9;
}

/* ===== Article Cards ===== */
.article-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}

.article-grid-three{
  grid-template-columns:repeat(3,minmax(0,1fr));
}

.guide-grid{
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.article-card{
  position:relative;
  display:block;
  min-height:190px;
  padding:24px 24px 22px;
  background:rgba(255,253,248,.76);
  border:1px solid var(--line,var(--article-line));
  box-shadow:0 10px 28px rgba(56,38,18,.07);
  transition:.28s ease;
}

.article-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,var(--green,var(--article-green)),var(--gold,var(--article-gold)));
  opacity:.82;
}

.article-card:hover{
  transform:translateY(-4px);
  background:#fffdf8;
  box-shadow:var(--article-soft-shadow);
}

.card-tag{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 10px;
  margin-bottom:16px;
  border:1px solid #d8c6aa;
  border-radius:999px;
  background:rgba(241,225,198,.62);
  color:#7b5733;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}

.article-card h3{
  margin:0 0 14px;
  color:#2f2923;
  font-size:18px;
  line-height:1.62;
  font-weight:500;
  letter-spacing:.04em;
}

.article-card p{
  margin:0;
  color:#766b5f;
  font-size:14px;
  line-height:1.85;
}

.read-more{
  display:inline-flex;
  align-items:center;
  margin-top:18px;
  color:#4a3928;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
}

.read-more::after{
  content:"→";
  margin-left:10px;
  color:var(--brown,var(--article-brown));
}

.guide-card{
  min-height:210px;
}

/* ===== Note ===== */
.note-box{
  margin-top:48px;
  padding:24px 26px;
  background:rgba(255,253,248,.72);
  border:1px solid var(--line,var(--article-line));
  color:#766b5f;
}

.note-box p{
  margin:0;
  font-size:13px;
  line-height:1.9;
  letter-spacing:.04em;
}

/* ===== Responsive ===== */
@media (max-width:1080px){
  .articles-hero-inner{
    grid-template-columns:1fr;
  }

  .articles-hero-visual{
    min-height:240px;
    order:-1;
  }

  .article-grid-three{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width:880px){
  .articles-hero{
    padding-top:28px;
  }

  .articles-hero-copy{
    padding:34px 24px;
  }

  .articles-hero h1{
    font-size:36px;
  }

  .articles-hero-visual{
    min-height:220px;
  }

  .article-grid,
  .article-grid-three,
  .guide-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width:620px){
  .articles-hero{
    padding-left:18px;
    padding-right:18px;
  }

  .articles-hero-inner{
    min-height:auto;
  }

  .articles-hero h1{
    font-size:32px;
  }

  .articles-hero p{
    font-size:14px;
    line-height:2;
  }

  .category-nav{
    grid-template-columns:1fr;
  }

  .articles-container{
    padding-left:18px;
    padding-right:18px;
  }

  .article-section{
    padding-top:36px;
  }

  .section-en{
    font-size:20px;
  }

  .article-card{
    min-height:auto;
    padding:22px 20px;
  }

  .article-card h3{
    font-size:17px;
  }
}

/* =========================================================
   KEIBA ARENA - article.css mobile final fix
   記事一覧ページ：スマホ表示調整
========================================================= */

/* ===== Articles hero image fix ===== */
.articles-hero-visual img{
  object-position:center center;
}

@media (max-width:1080px){
  .articles-hero-inner{
    grid-template-columns:1fr;
  }

  .articles-hero-visual{
    order:-1;
    width:100%;
    min-height:240px;
  }

  .articles-hero-visual img{
    width:100%;
    height:100%;
    object-fit:cover;
    object-position:center center;
  }
}

@media (max-width:880px){
  .articles-hero{
    padding:28px 18px 20px;
  }

  .articles-hero-inner{
    min-height:auto;
  }

  .articles-hero-copy{
    padding:32px 22px;
  }

  .articles-hero h1{
    font-size:34px;
    line-height:1.32;
  }

  .articles-hero p{
    font-size:14px;
    line-height:2;
  }

  .articles-hero-visual{
    min-height:220px;
  }

  .article-grid,
  .article-grid-three,
  .guide-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width:620px){
  .articles-hero{
    padding:22px 14px 18px;
  }

  .articles-hero-inner{
    display:block;
    border-radius:0;
  }

  .articles-hero-visual{
    min-height:200px;
    height:200px;
  }

  .articles-hero-visual::after{
    background:
      linear-gradient(180deg,rgba(255,253,248,.08) 0%,rgba(255,253,248,.38) 100%),
      linear-gradient(180deg,rgba(15,61,46,0) 0%,rgba(15,61,46,.12) 100%);
  }

  .articles-hero-copy{
    padding:28px 20px 30px;
  }

  .articles-hero h1{
    font-size:30px;
    line-height:1.35;
  }

  .category-nav{
    grid-template-columns:1fr;
    margin-top:22px;
  }

  .category-nav a{
    min-height:46px;
    padding:0 14px;
    font-size:13px;
  }

  .articles-container{
    padding-left:18px;
    padding-right:18px;
    padding-bottom:48px;
  }

  .article-section{
    padding-top:34px;
  }

  .section-en{
    font-size:20px;
  }

  .section-heading h2{
    font-size:12px;
  }

  .article-card{
    min-height:auto;
    padding:22px 20px;
  }

  .article-card h3{
    font-size:17px;
    line-height:1.6;
  }

  .article-card p{
    font-size:13px;
    line-height:1.8;
  }
}
body.menu-open{
  overflow:hidden;
}