/*
Theme Name: Ivory Blog
Theme URI: local
Description: 個人ブログ用テーマ。アイボリー×ペールピンク×ダークブラウン、アフィリエイトリンクページ付き。
Version: 1.0.0
Author: Claude
Text Domain: ivory-blog
License: GPLv2 or later
*/

:root {
  --c-ivory: #FAF6EE;
  --c-pink: #F3D9D5;
  --c-brown: #4A3429;
  --c-brown-soft: #7A6457;
  --c-line: #E8DCD4;
  --c-white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 6px 18px rgba(74, 52, 41, 0.08);
  --font-body: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  --font-head: "Hiragino Mincho ProN", "Noto Serif JP", "Yu Mincho", serif;
  --maxw: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--c-ivory);
  color: var(--c-brown);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-brown); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .7; }

h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.5; margin: 1.6em 0 .6em; color: var(--c-brown); }
h2 { font-size: 1.4rem; padding-bottom: .35em; border-bottom: 2px solid var(--c-pink); }
h3 { font-size: 1.15rem; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

/* ---------- Header ---------- */
.site-header {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-line);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 12px; }
.site-title { font-family: var(--font-head); font-size: 1.25rem; font-weight: 600; margin: 0; }
.site-title a { color: var(--c-brown); }
.site-desc { font-size: .75rem; color: var(--c-brown-soft); margin: 0; }
.global-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 22px; }
.global-nav a { font-size: .9rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.global-nav a:hover, .global-nav .current-menu-item > a { border-bottom-color: var(--c-pink); opacity: 1; }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--c-line); border-radius: 8px;
  padding: 6px 12px; font: inherit; color: var(--c-brown); cursor: pointer;
}

/* ---------- Hero (top page) ---------- */
.hero {
  background: linear-gradient(135deg, var(--c-pink) 0%, var(--c-ivory) 70%);
  padding: 72px 0 64px;
  text-align: center;
}
.hero h1 { font-size: 2rem; margin: 0 0 .4em; border: none; }
.hero p { color: var(--c-brown-soft); margin: 0 auto; max-width: 560px; }
.hero .btn { margin-top: 20px; }

.btn {
  display: inline-block; background: var(--c-brown); color: var(--c-ivory) !important;
  padding: 11px 26px; border-radius: 999px; font-size: .92rem; letter-spacing: .05em;
}

/* ---------- Layout ---------- */
.main-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 36px; padding: 40px 0 64px; }
.main-grid.is-full { grid-template-columns: 1fr; max-width: 800px; margin: 0 auto; }

/* ---------- Post cards ---------- */
.post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.post-card {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: flex; flex-direction: column;
}
.post-card .thumb { aspect-ratio: 16 / 10; background: var(--c-pink); overflow: hidden; }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card .body { padding: 18px 20px 22px; }
.post-card .meta { font-size: .78rem; color: var(--c-brown-soft); margin-bottom: 6px; }
.post-card .title { font-family: var(--font-head); font-size: 1.05rem; margin: 0 0 8px; line-height: 1.5; }
.post-card .title a { color: var(--c-brown); }
.post-card .excerpt { font-size: .88rem; color: var(--c-brown-soft); margin: 0; }
.cat-tag {
  display: inline-block; background: var(--c-pink); color: var(--c-brown); font-size: .72rem;
  padding: 2px 10px; border-radius: 999px; margin-bottom: 8px;
}

/* ---------- Sidebar ---------- */
.sidebar .widget {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px; margin-bottom: 24px;
}
.sidebar .widget-title { font-family: var(--font-head); font-size: 1rem; margin: 0 0 12px; border-bottom: 2px solid var(--c-pink); padding-bottom: 6px; }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { padding: 6px 0; border-bottom: 1px dashed var(--c-line); font-size: .9rem; }
.sidebar li:last-child { border-bottom: none; }

/* ---------- Single / Page ---------- */
.article {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 36px clamp(18px, 4vw, 48px);
}
.article .entry-header { margin-bottom: 20px; }
.article .entry-title { font-size: 1.7rem; border: none; margin: .3em 0 .2em; }
.article .entry-meta { font-size: .82rem; color: var(--c-brown-soft); }
.article .entry-content > * + * { margin-top: 1.1em; }
.article .entry-content blockquote {
  border-left: 4px solid var(--c-pink); background: var(--c-ivory); margin: 1.2em 0; padding: 12px 18px; border-radius: 0 10px 10px 0;
}
.article .entry-content img { border-radius: 10px; margin: 1em auto; }
.article .entry-content table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.article .entry-content th, .article .entry-content td { border: 1px solid var(--c-line); padding: 10px; text-align: left; }
.article .entry-content th { background: var(--c-pink); }

.post-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; font-size: .9rem; }
.post-nav a { background: var(--c-white); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); flex: 1; }

/* ---------- Affiliate page ---------- */
.aff-notice {
  background: var(--c-ivory); border: 1px dashed var(--c-brown-soft); border-radius: 10px;
  padding: 14px 18px; font-size: .85rem; color: var(--c-brown-soft); margin-bottom: 24px;
}
.aff-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 24px 0; }
.aff-card {
  background: var(--c-white); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px; display: flex; flex-direction: column; gap: 10px; border-top: 4px solid var(--c-pink);
}
.aff-card .aff-cat { font-size: .74rem; color: var(--c-brown-soft); }
.aff-card h3 { margin: 0; font-size: 1.02rem; }
.aff-card p { margin: 0; font-size: .88rem; color: var(--c-brown-soft); flex: 1; }
.aff-card .aff-btns { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.aff-card .aff-btn {
  display: block; text-align: center; background: var(--c-brown); color: var(--c-ivory) !important;
  padding: 10px; border-radius: 8px; font-size: .9rem;
}
.aff-card .aff-btn.sub { background: var(--c-pink); color: var(--c-brown) !important; }
.aff-badge {
  display: inline-block; background: var(--c-pink); font-size: .72rem; padding: 2px 10px;
  border-radius: 999px; align-self: flex-start;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--c-brown); color: var(--c-ivory); padding: 40px 0 28px; margin-top: 40px; }
.site-footer a { color: var(--c-pink); }
.site-footer .footer-nav ul { list-style: none; padding: 0; margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer .copy { font-size: .8rem; opacity: .8; margin: 0; }

/* ---------- Pagination / search ---------- */
.pagination { margin: 28px 0 0; text-align: center; }
.pagination .page-numbers {
  display: inline-block; background: var(--c-white); padding: 8px 14px; margin: 0 3px;
  border-radius: 8px; box-shadow: var(--shadow); font-size: .9rem;
}
.pagination .current { background: var(--c-brown); color: var(--c-ivory); }
.search-form { display: flex; gap: 8px; }
.search-form input[type="search"] {
  flex: 1; padding: 10px 12px; border: 1px solid var(--c-line); border-radius: 8px;
  background: var(--c-ivory); font: inherit;
}
.search-form button {
  background: var(--c-brown); color: var(--c-ivory); border: none; padding: 0 16px;
  border-radius: 8px; font: inherit; cursor: pointer;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .main-grid { grid-template-columns: 1fr; }
  .post-list, .aff-grid { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-block; }
  .global-nav { display: none; width: 100%; }
  .global-nav.is-open { display: block; }
  .global-nav ul { flex-direction: column; gap: 0; padding: 6px 0; }
  .global-nav a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--c-line); }
  .site-header .wrap { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .hero { padding: 48px 0 42px; }
  .hero h1 { font-size: 1.55rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}