/*
Theme Name: Portal Hub
Theme URI: https://example.com/portal-hub
Author: Claude
Description: 検索窓・左スライドメニュー・中央タブ切り替えコンテンツ・右サイドウィジェットを備えたポータルサイト向けWordPressテーマ。
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: portal-hub
*/

/* =========================================================
   トークン
========================================================= */
:root{
  --c-bg:        #F6F4EF;
  --c-surface:   #FFFFFF;
  --c-ink:       #20242B;
  --c-ink-soft:  #5A6170;
  --c-line:      #E4E1D8;
  --c-navy:      #1C2B45;
  --c-navy-deep: #11192A;
  --c-vermillion:#E0392C;
  --c-vermillion-deep:#B82B20;
  --c-gold:      #C9A24B;

  --font-display: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body:    "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-mono:    "Noto Sans JP", monospace;

  --radius-s: 4px;
  --radius-m: 10px;
  --shadow-card: 0 1px 2px rgba(20,20,20,.05), 0 4px 14px rgba(20,20,20,.06);
}

/* =========================================================
   リセット / ベース
========================================================= */
*,*::before,*::after{ box-sizing:border-box; }
html{ font-size:16px; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-body);
  line-height:1.7;
  letter-spacing:.01em;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }
:focus-visible{ outline:3px solid var(--c-vermillion); outline-offset:2px; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--c-navy); color:#fff;
  padding:.6em 1em; z-index:200;
}
.skip-link:focus{ left:8px; top:8px; }

/* =========================================================
   トップバー（検索窓 + ロゴ + ユーティリティ）
========================================================= */
.topbar{
  background:var(--c-navy);
  color:#fff;
  position:sticky; top:0; z-index:100;
  box-shadow:0 2px 10px rgba(0,0,0,.15);
}
.topbar__inner{
  max-width:1320px; margin:0 auto;
  display:flex; align-items:center; gap:20px;
  padding:10px 16px;
}
.topbar__menu-toggle{
  background:none; border:1px solid rgba(255,255,255,.25);
  color:#fff; border-radius:var(--radius-s);
  width:40px; height:40px; flex:none;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
}
.topbar__menu-toggle span{
  display:block; width:18px; height:2px; background:#fff; position:relative;
}
.topbar__menu-toggle span::before,
.topbar__menu-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:#fff;
}
.topbar__menu-toggle span::before{ top:-6px; }
.topbar__menu-toggle span::after{ top:6px; }

.topbar__logo{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.4rem;
  letter-spacing:.02em;
  white-space:nowrap;
  display:flex; align-items:baseline; gap:4px;
}
.topbar__logo span{ color:var(--c-vermillion); }

.topbar__search{
  flex:1 1 auto;
  display:flex;
  max-width:640px;
  background:#fff;
  border-radius:999px;
  overflow:hidden;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.04);
}
.topbar__search input[type="search"]{
  flex:1; border:none; padding:10px 18px; font-size:.95rem; color:var(--c-ink);
  background:transparent;
}
.topbar__search input[type="search"]:focus{ outline:none; }
.topbar__search button{
  border:none; background:var(--c-vermillion); color:#fff;
  width:48px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:background .15s ease;
}
.topbar__search button:hover{ background:var(--c-vermillion-deep); }

.topbar__utility{
  display:flex; align-items:center; gap:14px;
  font-size:.8rem;
  flex:none;
}
.topbar__utility a{ opacity:.85; white-space:nowrap; }
.topbar__utility a:hover{ opacity:1; text-decoration:underline; }

@media (max-width:780px){
  .topbar__logo span.logo-sub{ display:none; }
  .topbar__utility{ display:none; }
}

/* =========================================================
   速報テロップ（検索窓の下）
========================================================= */
.news-ticker{
  background:#fff;
  border-bottom:1px solid var(--c-line);
  position:sticky; top:60px; z-index:90;
}
.news-ticker__inner{
  max-width:1320px; margin:0 auto;
  display:flex; align-items:center;
  padding:0 16px;
}
.news-ticker__label{
  flex:none;
  display:flex; align-items:center; gap:6px;
  background:var(--c-vermillion);
  color:#fff;
  font-size:.72rem; font-weight:700; letter-spacing:.05em;
  padding:6px 12px;
  border-radius:3px;
  margin:7px 12px 7px 0;
}
.news-ticker__label .dot{
  width:6px; height:6px; border-radius:50%;
  background:#fff;
  animation:portal-ticker-blink 1.4s ease-in-out infinite;
}
@keyframes portal-ticker-blink{
  0%, 100%{ opacity:1; }
  50%{ opacity:.25; }
}
.news-ticker__viewport{
  flex:1 1 auto;
  overflow:hidden;
  position:relative;
  height:32px;
}
.news-ticker__track{
  position:absolute;
  top:0; left:0;
  display:flex;
  align-items:center;
  height:32px;
  white-space:nowrap;
  animation:portal-ticker-scroll 28s linear infinite;
  will-change:transform;
}
.news-ticker__viewport:hover .news-ticker__track,
.news-ticker__track.is-paused{
  animation-play-state:paused;
}
.news-ticker__track li{
  display:inline-flex; align-items:center;
  padding:0 36px 0 0;
  font-size:.85rem;
}
.news-ticker__track li a:hover{ color:var(--c-vermillion-deep); text-decoration:underline; }
.news-ticker__track li::after{
  content:"";
  display:inline-block;
  width:4px; height:4px; border-radius:50%;
  background:var(--c-line);
  margin-left:36px;
}
@keyframes portal-ticker-scroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .news-ticker__track{ animation:none; position:static; overflow-x:auto; }
  .news-ticker__viewport{ overflow-x:auto; }
}
@media (max-width:780px){
  .news-ticker{ top:0; }
  .news-ticker__label span.label-text{ display:none; }
}

/* =========================================================
   レイアウト全体（左メニュー / 中央 / 右サイド）
========================================================= */
.portal-layout{
  max-width:1320px;
  margin:0 auto;
  display:grid;
  grid-template-columns:240px minmax(0,1fr) 300px;
  gap:20px;
  padding:20px 16px 60px;
  align-items:start;
}
@media (max-width:1080px){
  .portal-layout{ grid-template-columns:240px minmax(0,1fr); }
  .side-right{ grid-column:1 / -1; }
}
@media (max-width:780px){
  .portal-layout{ grid-template-columns:1fr; }
}

/* ---- 左スライドメニュー ---- */
.side-left{
  position:sticky; top:70px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, opacity .2s ease;
  align-self:start;
}
.side-left__title{
  font-size:.78rem; color:var(--c-ink-soft); font-weight:700;
  padding:14px 16px 6px; letter-spacing:.08em;
}
.side-menu li a{
  display:flex; align-items:center; gap:10px;
  padding:10px 16px;
  font-size:.92rem;
  border-left:3px solid transparent;
  transition:background .15s ease, border-color .15s ease;
}
.side-menu li a:hover,
.side-menu li.current-menu-item a{
  background:#FBF1EE;
  border-left-color:var(--c-vermillion);
  color:var(--c-vermillion-deep);
}
.side-menu .menu-icon{
  width:8px; height:8px; border-radius:50%;
  background:var(--c-gold); flex:none;
}
.side-menu ul.sub-menu{ padding-left:14px; }

@media (max-width:780px){
  .side-left{
    position:fixed; top:0; left:0; bottom:0; width:78%; max-width:300px;
    z-index:150; border-radius:0;
    transform:translateX(-100%);
    overflow-y:auto;
  }
  body.menu-open .side-left{ transform:translateX(0); }
  .side-left__close{
    display:flex; justify-content:flex-end; padding:10px 14px 0;
  }
  .side-left__close button{
    border:none; background:none; font-size:1.4rem; cursor:pointer; color:var(--c-ink-soft);
  }
  .nav-scrim{
    display:none; position:fixed; inset:0; background:rgba(15,18,25,.45); z-index:140;
  }
  body.menu-open .nav-scrim{ display:block; }
}
@media (min-width:781px){
  .side-left__close, .nav-scrim{ display:none; }
}

/* ---- 中央：カテゴリタブ + コンテンツ ---- */
.main-col{ min-width:0; }

.category-tabs{
  display:flex; gap:6px; overflow-x:auto;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-m) var(--radius-m) 0 0;
  padding:6px;
  scrollbar-width:thin;
}
.category-tabs::-webkit-scrollbar{ height:4px; }
.category-tabs button{
  flex:none;
  border:none; background:transparent;
  padding:10px 18px;
  font-size:.9rem; font-weight:600; color:var(--c-ink-soft);
  border-radius:var(--radius-s);
  cursor:pointer;
  position:relative;
  transition:color .15s ease, background .15s ease;
}
.category-tabs button:hover{ background:var(--c-bg); color:var(--c-ink); }
.category-tabs button[aria-selected="true"]{
  color:var(--c-vermillion-deep);
  background:#FBF1EE;
}
.category-tabs button[aria-selected="true"]::after{
  content:"";
  position:absolute; left:14px; right:14px; bottom:-7px; height:3px;
  background:var(--c-vermillion);
  border-radius:3px 3px 0 0;
}

.tab-panel{
  display:none;
  background:var(--c-surface);
  border:1px solid var(--c-line); border-top:none;
  border-radius:0 0 var(--radius-m) var(--radius-m);
  box-shadow:var(--shadow-card);
  padding:18px;
}
.tab-panel.is-active{ display:block; }

.article-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(220px,1fr));
  gap:16px;
}
.article-card{
  border:1px solid var(--c-line);
  border-radius:var(--radius-s);
  overflow:hidden;
  background:#fff;
  display:flex; flex-direction:column;
  transition:transform .15s ease, box-shadow .15s ease;
}
.article-card:hover{ transform:translateY(-2px); box-shadow:var(--shadow-card); }
.article-card__thumb{
  aspect-ratio:16/10; background:var(--c-bg);
  display:flex; align-items:center; justify-content:center;
  color:var(--c-ink-soft); font-size:.75rem;
}
.article-card__thumb img{ width:100%; height:100%; object-fit:cover; }
.article-card__body{ padding:12px 14px 16px; flex:1; display:flex; flex-direction:column; gap:8px; }
.article-card__cat{
  font-size:.7rem; color:var(--c-vermillion-deep); font-weight:700; letter-spacing:.04em;
}
.article-card__title{
  font-size:.95rem; font-weight:700; line-height:1.5;
}
.article-card__meta{ font-size:.72rem; color:var(--c-ink-soft); margin-top:auto; }

.ranking-list{ counter-reset:rank; }
.ranking-list li{
  counter-increment:rank;
  display:flex; gap:12px; align-items:baseline;
  padding:10px 0; border-bottom:1px dashed var(--c-line);
}
.ranking-list li:last-child{ border-bottom:none; }
.ranking-list li::before{
  content:counter(rank);
  font-family:var(--font-display);
  font-weight:700; font-size:1.1rem; color:var(--c-vermillion);
  width:22px; flex:none; text-align:center;
}
.ranking-list a{ font-size:.9rem; }
.ranking-list a:hover{ color:var(--c-vermillion-deep); text-decoration:underline; }

/* ---- 右サイドウィジェット ---- */
.side-right{ display:flex; flex-direction:column; gap:16px; }
.widget{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-card);
  padding:16px;
}
.widget-title{
  font-family:var(--font-display);
  font-size:.95rem; font-weight:700;
  margin:0 0 10px;
  padding-bottom:8px;
  border-bottom:2px solid var(--c-navy);
  display:flex; align-items:center; gap:8px;
}
.widget-title::before{
  content:""; width:6px; height:14px; background:var(--c-vermillion); display:inline-block;
}
.widget ul li{ padding:6px 0; font-size:.85rem; border-bottom:1px solid var(--c-line); }
.widget ul li:last-child{ border-bottom:none; }
.widget-ad{
  background:repeating-linear-gradient(45deg,#F1EEE6,#F1EEE6 10px,#E9E5DA 10px,#E9E5DA 20px);
  color:var(--c-ink-soft); font-size:.75rem; text-align:center;
  padding:30px 10px; border-radius:var(--radius-s);
}

/* =========================================================
   フッター
========================================================= */
.site-footer{
  background:var(--c-navy-deep); color:#cfd5e2;
  margin-top:40px;
}
.site-footer__inner{
  max-width:1320px; margin:0 auto; padding:34px 16px;
  display:grid; gap:24px;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  font-size:.82rem;
}
.site-footer h3{ color:#fff; font-size:.85rem; margin:0 0 10px; }
.site-footer li{ padding:4px 0; }
.site-footer a:hover{ text-decoration:underline; }
.site-footer__bottom{
  text-align:center; padding:14px; font-size:.72rem;
  border-top:1px solid rgba(255,255,255,.1); color:#8c93a4;
}

/* 補助 */
.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap;
}