/*
Theme Name: Gridzen SEO (DMM) fix35 Minimal Settings
Theme URI: https://example.com/
Author: ChatGPT
Author URI: https://example.com/
Description: Lightweight, SEO-friendly WordPress theme with a responsive CSS Grid layout. Includes a built-in DMM Affiliate API importer for auto-posting (no external plugin required).
Version: fix45-rankpool-random
Requires at least: 6.4
Tested up to: 6.4.7
Requires PHP: 7.3
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gridzen-seo
Tags: blog, grid-layout, two-columns, three-columns, custom-menu, featured-images, translation-ready
*/

/* Base */
:root{
  --gzs-max: 1100px;
  --gzs-gap: 18px;
  --gzs-radius: 14px;
  --gzs-border: rgba(0,0,0,.08);
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust: 100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height:1.7;
  color:#111;
  background:#fff;
}

a{ color: inherit; text-decoration: underline; text-underline-offset: .2em; }
a:hover{ opacity:.85; }

.container{
  max-width: var(--gzs-max);
  margin: 0 auto;
  padding: 18px;
}

/* Header */
.site-header{
  border-bottom: 1px solid var(--gzs-border);
  position: relative;
  top: 0;
  background: #fff;
  z-index: 10;
}
.header-inner{
  display:flex;
  align-items:center;
  gap: 14px;
  justify-content: space-between;
}
.site-title{
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
}
.site-title a{ text-decoration: none; }

.nav-toggle{ display:none; }
.primary-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
}
.primary-nav a{
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 10px;
}
.primary-nav a:hover{
  background: rgba(0,0,0,.04);
}

/* Layout */
.main-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--gzs-gap);
  margin-top: 18px;
}
@media (min-width: 900px){
  .main-grid.has-sidebar{
    grid-template-columns: 1fr 320px;
  }
}

/* Posts grid */
.posts-grid{
  display:grid;
  gap: var(--gzs-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 650px){
  .posts-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1050px){
  .posts-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.card{
  border: 1px solid var(--gzs-border);
  border-radius: var(--gzs-radius);
  overflow:hidden;
  background:#fff;
  display:flex;
  flex-direction:column;
  min-height: 100%;
}
.card-thumb{
  display:block;
  width:100%;
  background: rgba(0,0,0,.03);
  position: relative;
  overflow: hidden;
  line-height:0;
}
.card-thumb img{
  position: static;
  width:100%;
  height:auto;
  display:block;
  object-fit: contain;
  object-position: center;
}

/* Tabs UI */
.gz-tabs{ margin: 14px 0 22px; }
.gz-tabs-bar{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 12px;
}
.gz-tab-btn{
  appearance:none;
  border: 1px solid rgba(0,0,0,.14);
  background: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1;
}
.gz-tab-btn.is-active{
  background: rgba(0,0,0,.06);
  border-color: rgba(0,0,0,.18);
}
.gz-tab-placeholder{
  padding: 14px;
  border: 1px dashed rgba(0,0,0,.18);
  border-radius: 12px;
  opacity: .75;
}

/* DMM importer post content helpers */
.gz-dmm-img{
  width:100%;
  height:auto;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.08);
}
.gz-dmm-price{
  font-weight: 700;
}
.gz-dmm-cta{
  display:inline-block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.12);
  text-decoration: none;
}
.gz-dmm-cta:hover{ background: rgba(0,0,0,.03); }
.gz-dmm-credit{
  font-size: 12px;
  opacity: .75;
}
.card-body{
  padding: 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  flex: 1;
}
.card-title{
  margin:0;
  font-size: 16px;
  line-height:1.35;
}
.card-title a{ text-decoration:none; }
.card-meta{
  font-size: 12px;
  color: rgba(0,0,0,.6);
}
.card-excerpt{
  margin:0;
  font-size: 14px;
  color: rgba(0,0,0,.8);
}

/* Single */
.entry-title{ margin: 0 0 10px; font-size: 26px; line-height: 1.25; }
.entry-meta{ font-size: 13px; color: rgba(0,0,0,.6); margin-bottom: 18px; }
.entry-content img{ max-width:100%; height:auto; border-radius: 12px; }
.entry-content a{ word-break: break-word; }

.post-thumb-single{
  margin: 0 0 18px;
}
.post-thumb-single img{ width:100%; height:auto; border-radius: var(--gzs-radius); }

/* Sidebar */
.widget-area{
  border: 1px solid var(--gzs-border);
  border-radius: var(--gzs-radius);
  padding: 14px;
  height: fit-content;
}
.widget{ margin-bottom: 18px; }
.widget:last-child{ margin-bottom: 0; }
.widget-title{
  font-size: 14px;
  margin: 0 0 8px;
}

/* Footer */
.site-footer{
  border-top: 1px solid var(--gzs-border);
  margin-top: 24px;
}
.footer-inner{
  font-size: 13px;
  color: rgba(0,0,0,.65);
  padding: 18px 0;
}

/* Accessibility */
.screen-reader-text{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}


/* DMM importer */
.gz-dmm-imglink{ display:inline-block; text-decoration:none; }
.gz-dmm-imglink:hover{ opacity:.9; }
.gz-dmm-titlelink{ margin: 6px 0 12px; font-weight: 700; }
.gz-dmm-titlea{ text-decoration: underline; }
.gz-dmm-titlea:hover{ color:#06c; }
.gz-dmm-img{ width:100%; height:auto; display:block; border-radius: 12px; }
.gz-aff-label{ font-size: 12px; color: rgba(0,0,0,.6); }
.gz-dmm-cta{ display:inline-block; padding:10px 14px; border-radius:12px; border:1px solid rgba(0,0,0,.12); text-decoration:none; }
.gz-dmm-cta:hover{ background: rgba(0,0,0,.04); }


/* DMM sample images */
.gz-dmm-samples{ display:block; margin: 14px 0; }
.gz-dmm-sample{ margin: 0 0 10px; }
.gz-dmm-sampleimg{ width:100%; height:auto; display:block; border-radius: 12px; }
.gz-dmm-samplelink{ display:block; text-decoration:none; }
.gz-dmm-samplelink:hover{ opacity:.92; }
.gz-dmm-price{ font-weight:600; }

/* Fix14: sample images vertical list */
.gz-dmm-samples{
  display:block;
  margin: 12px 0;
}
.gz-dmm-samples .gz-dmm-samplelink,
.gz-dmm-samples img{
  display:block;
}
.gz-dmm-samples img{
  width: 100%;
  height: auto;
  margin: 0 0 12px;
  border-radius: 10px;
}

/* Fix14: title text link styling under main image */
.gz-dmm-titlelink{
  margin: 10px 0 16px;
}
.gz-dmm-titlea{ text-decoration: underline; }
.gz-dmm-titlea:hover{ color:#06c; }

/* Fix14: product description block */
.gz-dmm-desc{
  margin: 14px 0 18px;
  line-height: 1.8;
}
.gz-dmm-desc h3{
  margin: 0 0 8px;
  font-size: 1.05rem;
}


/* Fix15: UI tweaks */

/* Fix15: CTA and description spacing */
.gz-dmm-cta{
  display:inline-block;
  margin: 8px 0 6px;
}
.gz-dmm-desc{
  margin-top: 10px;
}
.gz-dmm-desc h3{
  margin-top: 0;
}



/* --- DMM AutoPost tweaks (Fix19) --- */
.gz-dmm-titlelink a{ text-decoration: underline; }
.gz-dmm-titlelink a:hover{ color:#1a73e8; }
.gz-dmm-samplelink{ display:block; margin: 10px 0; }

/* --- Ad slots --- */
.card-ad{
  padding: 10px 14px 14px;
  border-top: 1px dashed rgba(0,0,0,.12);
}
.card-ad .widget{
  margin: 0;
}
.single-bottom-ad{
  margin: 18px 0 0;
  padding: 12px;
  border: 1px dashed rgba(0,0,0,.12);
  border-radius: var(--gzs-radius);
  background: #fff;
}


/* --- DMM Hub (no-post fixed pages) --- */
.gz-hub-pagination{
  display:flex;
  gap:12px;
  justify-content:center;
  margin:18px 0;
}
.gz-hub-pagination a{
  padding:8px 12px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:10px;
  text-decoration:none;
}
.gz-hub-loadmore{
  display:block;
  margin:14px auto 28px;
  padding:10px 16px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
}
.gz-hub.gz-hub-ready .gz-hub-loadmore{ display:none; }
.gz-hub.gz-hub-ready.gz-hub-manual .gz-hub-loadmore{ display:block; }
.gz-hub-loadmore[disabled]{
  opacity:.6;
  cursor:default;
}
.gz-hub-card .card-body{
  position:relative;
}
.gz-hub-badge{
  display:inline-block;
  font-size:12px;
  line-height:1;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.12);
  margin-bottom:8px;
}
.gz-hub-badge-pr{
  opacity:.9;
}
.gz-hub-note, .gz-hub-error{
  padding:12px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:12px;
  margin:10px 0;
}


/* --- Mobile nav: collapsible menu --- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  line-height:1;
}
.nav-toggle-icon{
  width:18px;
  height:12px;
  position:relative;
  display:inline-block;
}
.nav-toggle-icon:before,
.nav-toggle-icon:after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  background: currentColor;
  border-radius:2px;
}
.nav-toggle-icon:before{ top:0; box-shadow: 0 5px 0 currentColor; }
.nav-toggle-icon:after{ bottom:0; }

@media (max-width: 720px){
  .header-inner{ flex-wrap:wrap; gap:12px; }
  .site-title{ max-width: 100%; }
  .site-title a{
    display:block;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    max-width: 100%;
  }
  .nav-toggle{ display:inline-flex; margin-left:auto; }
  .primary-nav{ width:100%; display:none; }
  .primary-nav.is-open{ display:block; }
  .primary-nav ul{
    display:flex;
    flex-direction:column;
    gap:8px;
  }
  .primary-nav a{
    display:block;
    padding:10px 12px;
    border:1px solid rgba(0,0,0,.10);
  }
}

/* --- DMM Hub loading indicator --- */
.gz-hub{
  position:relative;
}
.gz-hub-loader{
  display:none;
  align-items:center;
  justify-content:center;
  gap:10px;
  position:sticky;
  bottom: 10px;
  width: fit-content;
  margin: 10px auto 18px;
  padding:10px 14px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:999px;
  background:#fff;
  box-shadow: 0 6px 20px rgba(0,0,0,.08);
  z-index: 5;
}
.gz-hub.gz-is-loading .gz-hub-loader{
  display:flex;
}
.gz-spinner{
  width:16px;
  height:16px;
  border:2px solid rgba(0,0,0,.18);
  border-top-color: rgba(0,0,0,.65);
  border-radius:50%;
  animation: gzspin 0.9s linear infinite;
}
@keyframes gzspin{ to { transform: rotate(360deg); } }

/* --- Infinite scroll (main posts grid) --- */
.gz-inf-ready .pagination{ display:none; }
.gz-inf-loader{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width: fit-content;
  margin: 12px auto 22px;
  padding:10px 14px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:999px;
  background:#fff;
  box-shadow: 0 6px 20px rgba(0,0,0,.08);
}



/* ===== Click History (閲覧履歴) ===== */
.gz-history-wrap{ margin: 16px 0; }

.gz-history-details{
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0,0,0,.06);
  overflow: hidden;
}

.gz-history-summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.gz-history-summary::-webkit-details-marker{ display:none; }

.gz-history-summary-title{
  font-size: 15px;
  font-weight: 700;
}
.gz-history-count{ opacity: .7; font-size: 13px; }

.gz-history-summary-right{ display:inline-flex; align-items:center; gap:8px; }

.gz-history-toggle{
  font-size: 12px;
  padding: 6px 10px;
  border: 1px solid rgba(0,0,0,.15);
  background: rgba(0,0,0,.03);
  border-radius: 999px;
  line-height: 1;
}

.gz-history-details[open] .gz-history-toggle{ background: rgba(0,0,0,.06); }

.gz-history-body{ padding: 12px; }

.gz-history-actions{
  display:flex;
  justify-content:flex-end;
  margin-bottom: 10px;
}

.gz-history-clear{
  font-size: 13px;
  padding: 6px 10px;
  border: 1px solid rgba(0,0,0,.15);
  background: transparent;
  border-radius: 8px;
}

.gz-history-list{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
@media (min-width: 720px){
  .gz-history-list{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.gz-history-item{
  display:block;
  text-decoration:none;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 10px;
  overflow:hidden;
  background: #fff;
}

.gz-history-thumb{
  width:100%;
  background: rgba(0,0,0,.03);
  overflow:hidden;
  line-height:0;
}

.gz-history-thumb img{
  width:100%;
  height:auto;
  display:block;
  object-fit: contain;
  object-position: center;
}

.gz-history-title{
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.35;
  color: inherit;
}

.gz-history-empty{ opacity:.7; margin: 0; }

/* Floating mode: [gz_history floating="1"] */
.gz-history-floating{
  position: fixed;
  right: 12px;
  bottom: 12px;
  width: min(92vw, 380px);
  z-index: 9999;
}

.gz-history-floating .gz-history-details{
  border-radius: 16px;
}

.gz-history-floating .gz-history-summary{
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 999px;
  box-shadow: 0 10px 26px rgba(0,0,0,.12);
  background: #fff;
}

.gz-history-floating .gz-history-details[open] .gz-history-summary{
  border-radius: 16px 16px 0 0;
}

.gz-history-floating .gz-history-body{
  border-top: 1px solid rgba(0,0,0,.10);
  max-height: min(60vh, 520px);
  overflow: auto;
}


/* Fix: remove baseline gap under main images (especially horizontal images) */
.gz-dmm-mainimg{ line-height:0; }
.gz-dmm-mainimglink{ display:block; line-height:0; }
.gz-dmm-mainimgtag{ display:block; width:100%; height:auto; }