/*
Theme Name: BuddyX Child - Oshiete Shikaku
Theme URI: https://oshiete-shikaku.com/
Description: 教えて資格コム トップページ再デザイン用の子テーマ (BuddyXの子テーマ)
Author: oshiete-shikaku.com
Template: buddyx
Version: 1.0.0
Text Domain: buddyx-child
*/

/* ============================================================
   共通トークン(全ページに適用。CSS変数のみなので無害)
============================================================ */
:root{
  --sk-paper:#FAF8F3;
  --sk-ink:#243257;
  --sk-ink-deep:#1C2745;
  --sk-ink-soft:#5A6478;
  --sk-akapen:#C7362B;
  --sk-line:#E3DFD4;
  --sk-cream:#F5EEE8;
  --sk-white:#FFFFFF;
  --sk-radius:10px;
}

/* ============================================================
   ヘッダー(全ページ共通。header.php から出力)
============================================================ */
.sk-header{
  background:var(--sk-ink);color:var(--sk-cream);
  position:sticky;top:0;z-index:50;
  box-shadow:0 2px 8px rgba(28,39,69,.25);
  font-family:'Zen Kaku Gothic New',-apple-system,'Hiragino Kaku Gothic ProN',sans-serif;
}
.sk-header *{box-sizing:border-box}
.sk-header a{color:inherit;text-decoration:none}
.sk-header a:focus-visible,.sk-header button:focus-visible{outline:2px solid var(--sk-akapen);outline-offset:2px}
.sk-wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.sk-header-top{display:flex;align-items:center;gap:24px;height:60px}
.sk-logo{display:flex;align-items:center;gap:12px}
.sk-logo-mark{position:relative;width:38px;height:38px;flex-shrink:0}
.sk-logo-mark .sk-sq{position:absolute;width:32px;height:32px;border:2.5px solid var(--sk-cream);background:var(--sk-ink)}
.sk-logo-mark .sk-sq.sk-back{top:0;left:6px}
.sk-logo-mark .sk-sq.sk-front{top:6px;left:0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.72rem;letter-spacing:.02em;color:var(--sk-cream)}
.sk-logo-mark .sk-sq.sk-front::after{content:".";font-weight:800}
.sk-logo-text{font-weight:700;font-size:1.3rem;letter-spacing:.06em;color:var(--sk-cream)}
.sk-header-actions{margin-left:auto;display:flex;gap:10px}
.sk-btn{
  display:inline-block;background:var(--sk-akapen);color:#fff;font-weight:700;
  padding:8px 20px;border-radius:999px;border:none;cursor:pointer;font-size:.9rem;
  font-family:inherit;transition:transform .12s ease,box-shadow .12s ease;
}
.sk-btn:hover{transform:translateY(-1px);box-shadow:0 4px 10px rgba(199,54,43,.35)}
.sk-btn.sk-ghost{background:transparent;color:var(--sk-cream);border:1.5px solid rgba(245,238,232,.5);font-weight:500}
.sk-btn.sk-ghost:hover{border-color:var(--sk-cream);box-shadow:none}

/* メインメニュー: wp_nav_menu() の標準クラス(menu-item / menu-item-has-children / sub-menu)を利用。
   カスタムWalkerは使わず、CSSのみでホバー/フォーカス時のドロップダウンを実現する。 */
.sk-menubar{border-top:1px solid rgba(245,238,232,.15)}
.sk-menubar ul.sk-menu{display:flex;list-style:none;flex-wrap:wrap;margin:0;padding:0}
.sk-menubar li.menu-item{position:relative}
.sk-menubar li.menu-item>a{
  display:flex;align-items:center;gap:5px;
  padding:11px 16px;font-size:.9rem;font-weight:500;color:#B9C0D4;
  text-decoration:none;line-height:1.4;
}
.sk-menubar li.menu-item>a:hover,
.sk-menubar li.menu-item:focus-within>a{color:var(--sk-cream)}
.sk-menubar li.menu-item-has-children>a::after{content:"▾";font-size:.65rem;margin-left:2px;transform:translateY(1px)}
.sk-menubar ul.sub-menu{
  position:absolute;top:100%;left:0;min-width:210px;
  background:var(--sk-white);color:var(--sk-ink);
  border:1px solid var(--sk-line);border-radius:0 0 var(--sk-radius) var(--sk-radius);
  box-shadow:0 10px 24px rgba(28,39,69,.18);
  list-style:none;margin:0;padding:6px 0;
  opacity:0;visibility:hidden;transform:translateY(-4px);
  transition:opacity .14s ease,transform .14s ease;z-index:60;
}
.sk-menubar li.menu-item-has-children:hover>ul.sub-menu,
.sk-menubar li.menu-item-has-children:focus-within>ul.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.sk-menubar ul.sub-menu li.menu-item>a{display:block;padding:9px 18px;font-size:.88rem;color:var(--sk-ink);font-weight:400}
.sk-menubar ul.sub-menu li.menu-item>a:hover,
.sk-menubar ul.sub-menu li.menu-item>a:focus-visible{background:rgba(199,54,43,.07);color:var(--sk-akapen)}
/* 「勉強の息抜きに」のような非リンクの見出し行を作りたい場合、
   メニュー項目の「CSSクラス」欄に sk-dd-label を指定するとラベル風になる(クリック不可)。 */
.sk-menubar li.sk-dd-label>a{
  padding:8px 18px 4px;font-size:.7rem;font-weight:700;color:var(--sk-ink-soft);
  letter-spacing:.08em;pointer-events:none;cursor:default;
}
.sk-menubar li.sk-dd-label>a::after{content:none}

@media (max-width:860px){
  .sk-menubar ul.sk-menu{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .sk-menubar li.menu-item>a{white-space:nowrap;padding:11px 12px}
}
@media (max-width:520px){
  .sk-logo-text{font-size:1.1rem}
}
@media (prefers-reduced-motion: reduce){
  .sk-header *{transition:none!important;animation:none!important}
}

/* ============================================================
   フッター(全ページ共通。footer.php から出力)
============================================================ */
.sk-footer{
  border-top:1px solid var(--sk-line);background:var(--sk-ink);color:#B9C0D4;
  padding:32px 0;font-family:'Zen Kaku Gothic New',-apple-system,'Hiragino Kaku Gothic ProN',sans-serif;
}
.sk-footer a{color:inherit;text-decoration:none}
.sk-foot-in{display:flex;flex-wrap:wrap;gap:20px;align-items:center;font-size:.82rem}
.sk-foot-in nav{margin-left:auto;display:flex;gap:18px}
.sk-foot-in nav a:hover{color:var(--sk-cream)}

/* ============================================================
   トップページ限定(front-page.html でのみ出現するクラス)
============================================================ */
body.home{
  background:var(--sk-paper);color:var(--sk-ink);line-height:1.7;font-size:15px;
  font-family:'Zen Kaku Gothic New',-apple-system,'Hiragino Kaku Gothic ProN',sans-serif;
}
body.home a{color:inherit;text-decoration:none}
body.home a:focus-visible,body.home button:focus-visible,body.home input:focus-visible{outline:2px solid var(--sk-akapen);outline-offset:2px}

body.home .sk-hero{
  padding:64px 0 48px;
  background:
    repeating-linear-gradient(transparent,transparent 31px,rgba(36,50,87,.05) 31px,rgba(36,50,87,.05) 32px),
    var(--sk-paper);
  border-bottom:1px solid var(--sk-line);
}
body.home .sk-hero h1{
  font-family:'Shippori Mincho',serif;font-weight:800;
  font-size:clamp(1.7rem,4.4vw,2.7rem);letter-spacing:.03em;line-height:1.4;
}
body.home .sk-hero h1 .sk-em{background:linear-gradient(transparent 68%,rgba(242,201,76,.55) 68%)}
body.home .sk-hero p.sk-lede{margin-top:12px;color:var(--sk-ink-soft);font-size:1rem}
body.home .sk-searchbar{
  margin-top:28px;display:flex;max-width:640px;box-sizing:border-box;
  background:var(--sk-white);border:2px solid var(--sk-ink);border-radius:var(--sk-radius);
  overflow:hidden;box-shadow:4px 4px 0 rgba(36,50,87,.12);
}
body.home .sk-searchbar input{flex:1;border:none;padding:15px 18px;font-size:1rem;font-family:inherit;background:transparent;color:var(--sk-ink)}
body.home .sk-searchbar input::placeholder{color:#A6ADBB}
body.home .sk-searchbar button{border:none;background:var(--sk-ink);color:#fff;font-weight:700;padding:0 26px;cursor:pointer;font-size:.95rem;font-family:inherit}
body.home .sk-searchbar button:hover{background:#31426F}
body.home .sk-hot-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
body.home .sk-hot-tags .sk-lbl{font-size:.8rem;color:var(--sk-ink-soft);font-weight:700}
body.home .sk-tag{
  font-size:.82rem;background:var(--sk-white);border:1px solid var(--sk-line);
  padding:4px 12px;border-radius:999px;color:var(--sk-ink-soft);transition:all .12s;box-sizing:border-box;
}
body.home .sk-tag:hover{border-color:var(--sk-akapen);color:var(--sk-akapen)}

body.home .sk-section{padding:52px 0}
body.home .sk-sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:24px;flex-wrap:wrap}
body.home .sk-sec-head h2{
  font-family:'Shippori Mincho',serif;font-weight:700;font-size:1.35rem;letter-spacing:.04em;
  padding-left:14px;border-left:4px solid var(--sk-akapen);line-height:1.3;margin:0;
}
body.home .sk-sec-head .sk-more{margin-left:auto;font-size:.85rem;color:var(--sk-akapen);font-weight:700}
body.home .sk-sec-head .sk-more:hover{text-decoration:underline}

/* 注目の質問 */
body.home .sk-q-list{display:flex;flex-direction:column;gap:12px}
body.home .sk-q-item{
  display:flex;gap:18px;background:var(--sk-white);border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);padding:16px 20px;align-items:flex-start;
  transition:border-color .12s;box-sizing:border-box;
}
body.home .sk-q-item:hover{border-color:var(--sk-ink-soft)}
body.home .sk-q-stats{display:flex;flex-direction:column;gap:6px;flex-shrink:0;width:64px}
body.home .sk-stat{
  text-align:center;border:1px solid var(--sk-line);border-radius:8px;padding:5px 0;
  font-size:.72rem;color:var(--sk-ink-soft);line-height:1.3;box-sizing:border-box;
}
body.home .sk-stat b{display:block;font-size:1rem;color:var(--sk-ink)}
body.home .sk-stat.sk-answered{border-color:var(--sk-akapen);background:rgba(199,54,43,.06)}
body.home .sk-stat.sk-answered b{color:var(--sk-akapen)}
body.home .sk-q-body h3{font-size:1rem;font-weight:700;line-height:1.5;margin:0}
body.home .sk-q-body h3 a:hover{color:var(--sk-akapen)}
body.home .sk-q-body .sk-q-meta{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.78rem;color:var(--sk-ink-soft)}
body.home .sk-q-cat{background:rgba(36,50,87,.07);padding:2px 10px;border-radius:4px;font-weight:500;color:var(--sk-ink)}
body.home .sk-solved{
  color:var(--sk-akapen);font-weight:700;border:1.5px solid var(--sk-akapen);border-radius:4px;
  padding:1px 7px;font-size:.72rem;transform:rotate(-2deg);display:inline-block;
}

/* 人気のトピック */
body.home .sk-topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
body.home .sk-topic-item{
  display:flex;align-items:center;gap:14px;
  background:var(--sk-white);border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  padding:14px 18px;transition:border-color .12s,transform .12s;box-sizing:border-box;
}
body.home .sk-topic-item:hover{border-color:var(--sk-akapen);transform:translateY(-1px)}
body.home .sk-topic-item .sk-t-mark{
  flex-shrink:0;width:36px;height:36px;border-radius:8px;
  background:rgba(36,50,87,.07);display:flex;align-items:center;justify-content:center;font-size:1rem;
}
body.home .sk-topic-item .sk-t-body{min-width:0}
body.home .sk-topic-item .sk-t-body h3{font-size:.95rem;font-weight:700;line-height:1.45;margin:0}
body.home .sk-topic-item:hover h3{color:var(--sk-akapen)}
body.home .sk-topic-item .sk-t-meta{font-size:.76rem;color:var(--sk-ink-soft);margin-top:2px}
body.home .sk-topic-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
body.home .sk-topic-tags .sk-lbl{font-size:.8rem;color:var(--sk-ink-soft);font-weight:700}

/* 使い方3ステップ + CTA */
body.home .sk-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
body.home .sk-step{background:var(--sk-white);border:1px solid var(--sk-line);border-radius:var(--sk-radius);padding:24px 20px;box-sizing:border-box}
body.home .sk-step .sk-n{font-family:'Shippori Mincho',serif;font-weight:800;font-size:1.6rem;color:var(--sk-akapen)}
body.home .sk-step h3{font-size:1rem;margin-top:6px;margin-bottom:0}
body.home .sk-step p{margin-top:8px;margin-bottom:0;font-size:.85rem;color:var(--sk-ink-soft)}
body.home .sk-cta{
  background:var(--sk-ink);color:#fff;border-radius:14px;
  padding:44px 36px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px;box-sizing:border-box;
}
body.home .sk-cta h2{font-family:'Shippori Mincho',serif;font-size:1.4rem;font-weight:700;letter-spacing:.03em;margin:0;color:#fff}
body.home .sk-cta p{color:#C6CBDA;font-size:.9rem;margin-top:6px;margin-bottom:0}
body.home .sk-cta .sk-btn{margin-left:auto;padding:13px 30px;font-size:1rem}

/* カテゴリーカード */
body.home .sk-cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;row-gap:30px}
body.home .sk-cat-card{
  position:relative;background:var(--sk-white);border:1px solid var(--sk-line);
  border-radius:0 var(--sk-radius) var(--sk-radius) var(--sk-radius);
  padding:22px 20px 18px;box-sizing:border-box;
  transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease;
}
body.home .sk-cat-card::before{
  content:"";position:absolute;top:-12px;left:-1px;width:56px;height:13px;
  background:var(--sk-tab, var(--sk-ink));border:1px solid var(--sk-line);border-bottom:none;
  border-radius:6px 6px 0 0;transition:width .12s ease;
}
body.home .sk-cat-card:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(36,50,87,.10);border-color:var(--sk-tab, var(--sk-ink))}
body.home .sk-cat-card:hover::before{width:76px}
body.home .sk-cat-card.sk-wide{grid-column:1/-1}
body.home .sk-cat-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
body.home .sk-cat-head h3{font-size:1.05rem;font-weight:700;letter-spacing:.02em;margin:0}
body.home .sk-cat-head h3 a:hover{color:var(--sk-tab, var(--sk-akapen))}
body.home .sk-cat-head .sk-meta{font-size:.76rem;color:var(--sk-ink-soft)}
body.home .sk-shikaku-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
body.home .sk-shikaku{
  display:inline-block;font-size:.82rem;font-weight:500;
  background:rgba(36,50,87,.06);color:var(--sk-ink);
  padding:5px 14px;border-radius:999px;border:1px solid transparent;
  transition:background .12s ease,color .12s ease,transform .12s ease;box-sizing:border-box;
}
body.home .sk-shikaku:hover,body.home .sk-shikaku:focus-visible{background:var(--sk-tab, var(--sk-ink));color:#fff;transform:translateY(-1px)}

body.home .sk-is-extra{display:none}
body.home .sk-cat-card.sk-expanded .sk-is-extra{display:inline-block}
body.home .sk-more-toggle{
  font-family:inherit;cursor:pointer;font-weight:700;
  background:transparent;color:var(--sk-tab, var(--sk-akapen));border:1.5px dashed var(--sk-tab, var(--sk-akapen));
}
body.home .sk-more-toggle:hover,body.home .sk-more-toggle:focus-visible{background:var(--sk-tab, var(--sk-akapen));color:#fff;border-style:solid}

body.home .sk-ginko-detail{display:none;margin-top:16px;border-top:1px solid var(--sk-line)}
body.home .sk-cat-card.sk-expanded .sk-ginko-detail{display:block}
body.home .sk-cat-card.sk-expanded .sk-ginko-summary{display:none}
body.home .sk-ginko-row{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid var(--sk-line);align-items:flex-start}
body.home .sk-ginko-row .sk-kei{flex-shrink:0;width:170px;font-size:.85rem;font-weight:700;color:var(--sk-tab, var(--sk-ink));padding-top:4px}
body.home .sk-ginko-row .sk-kei-pills{display:flex;flex-wrap:wrap;gap:8px}

@media (max-width:860px){
  body.home .sk-cat-grid{grid-template-columns:1fr}
  body.home .sk-steps{grid-template-columns:1fr}
  body.home .sk-topic-grid{grid-template-columns:1fr}
  body.home .sk-cta .sk-btn{margin-left:0}
  body.home .sk-ginko-row{flex-direction:column;gap:6px}
  body.home .sk-ginko-row .sk-kei{width:auto}
}
@media (max-width:520px){
  body.home .sk-q-item{flex-direction:column}
  body.home .sk-q-stats{flex-direction:row;width:auto}
  body.home .sk-stat{width:64px}
}
@media (prefers-reduced-motion: reduce){
  body.home *{transition:none!important;animation:none!important}
}