/*
Theme Name: すまきち教室
Theme URI: https://www.money-study-saitama.masuto-inc.com/
Description: お金の勉強・節約・副業情報サイト「すまきち教室」オリジナルテーマ
Author: すまきち
Version: 1.0.0
License: Private
Text Domain: sumakichi
*/

/* =========================================
   CSS RESET & BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "M PLUS Rounded 1c", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background: #f8fafc;
  color: #1e293b;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* =========================================
   CSS VARIABLES
   ========================================= */
:root {
  --c-teal:        #0d9488;
  --c-teal-dark:   #0f766e;
  --c-teal-light:  #ccfbf1;
  --c-teal-pale:   #f0fdfa;
  --c-gold:        #d97706;
  --c-gold-light:  #fef3c7;
  --c-dark:        #0f172a;
  --c-dark-2:      #1e293b;
  --c-dark-3:      #334155;
  --c-mid:         #64748b;
  --c-light:       #cbd5e1;
  --c-pale:        #f1f5f9;
  --c-white:       #ffffff;
  --c-border:      #e2e8f0;
  --c-red:         #ef4444;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:     0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:     0 10px 25px rgba(0,0,0,.09), 0 4px 10px rgba(0,0,0,.06);
  --shadow-xl:     0 20px 40px rgba(0,0,0,.12);
  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --radius-xl:     24px;
  --radius-full:   9999px;
  --trans:         all .22s ease;
  --max-w:         1080px;
  --sidebar-w:     280px;
}

/* =========================================
   SCROLLBAR
   ========================================= */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--c-pale); }
::-webkit-scrollbar-thumb { background: var(--c-teal); border-radius: var(--radius-full); }

/* =========================================
   PROGRESS BAR
   ========================================= */
#sk-progress {
  position: fixed; top: 0; left: 0;
  width: 0%; height: 3px;
  background: linear-gradient(90deg, var(--c-teal), var(--c-gold));
  z-index: 9999;
  transition: width .08s linear;
  pointer-events: none;
}

/* =========================================
   SKIP LINK
   ========================================= */
.skip-link {
  position: absolute; top: -40px; left: 8px;
  background: var(--c-teal); color: #fff;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: .85rem; font-weight: 700; z-index: 10000;
  transition: top .2s;
}
.skip-link:focus { top: 8px; }

/* =========================================
   HEADER
   ========================================= */
.sk-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--c-white);
  border-bottom: 2px solid var(--c-teal);
  box-shadow: var(--shadow-md);
}
.sk-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.sk-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.sk-logo__icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--c-teal), var(--c-teal-dark));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: #fff;
}
.sk-logo__text {
  display: flex; flex-direction: column; line-height: 1.2;
}
.sk-logo__name {
  font-size: 1.1rem; font-weight: 800;
  color: var(--c-teal-dark);
  letter-spacing: .02em;
}
.sk-logo__tagline {
  font-size: .68rem;
  color: var(--c-mid);
  letter-spacing: .04em;
}

/* グローバルナビ */
.sk-nav { display: flex; align-items: center; gap: 2px; }
.sk-nav__item a {
  display: block;
  padding: 6px 13px;
  font-size: .875rem; font-weight: 700;
  color: var(--c-dark-3);
  border-radius: var(--radius-sm);
  transition: var(--trans);
  white-space: nowrap;
}
.sk-nav__item a:hover,
.sk-nav__item.current-menu-item a {
  background: var(--c-teal-pale);
  color: var(--c-teal-dark);
}
.sk-nav__item.current-menu-item a::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--c-teal);
  border-radius: 2px;
  margin-top: 2px;
}

/* ハンバーガー（モバイル） */
.sk-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--trans);
}
.sk-hamburger span {
  display: block; height: 2px;
  background: var(--c-dark-2);
  border-radius: 2px;
  transition: var(--trans);
}
.sk-hamburger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.sk-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.sk-hamburger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* モバイルメニュー */
.sk-mobile-menu {
  display: none;
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
  padding: 12px 20px 20px;
  box-shadow: var(--shadow-lg);
}
.sk-mobile-menu.is-open { display: block; }
.sk-mobile-menu .sk-nav { flex-direction: column; align-items: stretch; gap: 4px; }
.sk-mobile-menu .sk-nav__item a { padding: 10px 14px; font-size: 1rem; }

/* =========================================
   HERO (トップページ)
   ========================================= */
.sk-hero {
  background: linear-gradient(135deg, var(--c-teal-dark) 0%, #0d9488 50%, #14b8a6 100%);
  padding: 56px 20px 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.sk-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.sk-hero__inner {
  position: relative; z-index: 1;
  max-width: 680px; margin: 0 auto;
}
.sk-hero__badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: .78rem; color: #fff;
  font-weight: 700; letter-spacing: .06em;
  margin-bottom: 18px;
}
.sk-hero__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: .01em;
}
.sk-hero__title em { color: #fde68a; font-style: normal; }
.sk-hero__sub {
  font-size: 1rem;
  color: rgba(255,255,255,.85);
  line-height: 1.75;
  margin-bottom: 32px;
}
.sk-hero__cats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px;
}
.sk-hero__cat-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.35);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: .85rem; font-weight: 700; color: #fff;
  transition: var(--trans);
}
.sk-hero__cat-btn:hover {
  background: rgba(255,255,255,.28);
  transform: translateY(-2px);
}

/* =========================================
   メインレイアウト
   ========================================= */
.sk-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 36px;
  align-items: start;
}
.sk-main { min-width: 0; }

/* =========================================
   セクションヘッダー
   ========================================= */
.sk-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-teal);
}
.sk-section-head__title {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.2rem; font-weight: 800; color: var(--c-dark-2);
}
.sk-section-head__title span {
  display: inline-block;
  width: 6px; height: 22px;
  background: linear-gradient(180deg, var(--c-teal), var(--c-gold));
  border-radius: 3px;
}
.sk-section-head__more {
  font-size: .8rem; font-weight: 700;
  color: var(--c-teal);
  padding: 4px 12px;
  border: 1.5px solid var(--c-teal);
  border-radius: var(--radius-full);
  transition: var(--trans);
}
.sk-section-head__more:hover {
  background: var(--c-teal);
  color: #fff;
}

/* =========================================
   記事カードグリッド
   ========================================= */
.sk-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.sk-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sk-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  transition: var(--trans);
  display: flex; flex-direction: column;
}
.sk-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-teal);
}
.sk-card__thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-pale);
}
.sk-card__thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.sk-card:hover .sk-card__thumb img { transform: scale(1.06); }
.sk-card__cat-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--c-teal);
  color: #fff; font-size: .7rem; font-weight: 700;
  padding: 3px 10px; border-radius: var(--radius-full);
  letter-spacing: .04em;
}
.sk-card__cat-badge--gold { background: var(--c-gold); }
.sk-card__body {
  padding: 14px 16px 18px;
  flex: 1; display: flex; flex-direction: column;
}
.sk-card__title {
  font-size: .93rem; font-weight: 700;
  line-height: 1.55; color: var(--c-dark-2);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sk-card__meta {
  margin-top: auto;
  display: flex; align-items: center; gap: 8px;
  font-size: .75rem; color: var(--c-mid);
}
.sk-card__meta time { display: flex; align-items: center; gap: 3px; }

/* カードのフェードイン */
@keyframes sk-fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sk-card { animation: sk-fadeUp .4s ease both; }
.sk-card:nth-child(2){animation-delay:.06s}
.sk-card:nth-child(3){animation-delay:.12s}
.sk-card:nth-child(4){animation-delay:.18s}
.sk-card:nth-child(5){animation-delay:.24s}
.sk-card:nth-child(6){animation-delay:.30s}

/* =========================================
   ページネーション
   ========================================= */
.sk-pagination {
  display: flex; justify-content: center; align-items: center; gap: 6px;
  margin: 32px 0;
  flex-wrap: wrap;
}
.sk-pagination a,
.sk-pagination span {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 700;
  border: 1.5px solid var(--c-border);
  color: var(--c-dark-3);
  transition: var(--trans);
}
.sk-pagination a:hover { background: var(--c-teal-pale); border-color: var(--c-teal); color: var(--c-teal); }
.sk-pagination .current { background: var(--c-teal); color: #fff; border-color: var(--c-teal); }

/* =========================================
   記事ページ（single）
   ========================================= */
.sk-article-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr var(--sidebar-w);
  gap: 36px;
  align-items: start;
}
.sk-article { min-width: 0; }

/* 記事ヘッダー */
.sk-article__header { margin-bottom: 28px; }
.sk-article__cats {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 12px;
}
.sk-article__cat {
  display: inline-block;
  background: var(--c-teal-pale);
  color: var(--c-teal-dark);
  font-size: .75rem; font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-teal-light);
}
.sk-article__title {
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 900;
  line-height: 1.4;
  color: var(--c-dark);
  margin-bottom: 16px;
  letter-spacing: .01em;
}
.sk-article__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  font-size: .8rem; color: var(--c-mid);
  padding: 10px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.sk-article__meta-item {
  display: flex; align-items: center; gap: 4px;
}

/* アイキャッチ */
.sk-article__thumb {
  margin: 24px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.sk-article__thumb img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* 記事本文 */
.sk-article__body {
  font-size: 1rem;
  line-height: 1.92;
  color: var(--c-dark-2);
}
.sk-article__body h2 {
  font-size: 1.35rem; font-weight: 800;
  color: var(--c-teal-dark);
  background: var(--c-teal-pale);
  border-left: 5px solid var(--c-teal);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 11px 18px;
  margin: 2.4em 0 1em;
  line-height: 1.45;
}
.sk-article__body h3 {
  font-size: 1.15rem; font-weight: 700;
  color: var(--c-dark-2);
  padding: 7px 0 7px 16px;
  border-left: 4px solid var(--c-gold);
  margin: 2em 0 .8em;
}
.sk-article__body h4 {
  font-size: 1.05rem; font-weight: 700;
  color: var(--c-dark-2);
  padding-bottom: 4px;
  border-bottom: 2px dashed var(--c-border);
  margin: 1.6em 0 .6em;
}
.sk-article__body p { margin-bottom: 1.4em; }
.sk-article__body a {
  color: var(--c-teal-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .15s;
}
.sk-article__body a:hover { color: var(--c-gold); }
.sk-article__body strong {
  background: linear-gradient(transparent 58%, #fde68a 58%);
  font-weight: 700;
}
.sk-article__body em { color: var(--c-teal-dark); font-style: normal; font-weight: 700; }
.sk-article__body ul, .sk-article__body ol {
  margin: 1em 0 1.4em 1.5em;
}
.sk-article__body ul { list-style: none; }
.sk-article__body ul li {
  padding-left: 1.4em;
  position: relative;
  margin-bottom: .5em;
}
.sk-article__body ul li::before {
  content: '';
  position: absolute; left: 0; top: .65em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-teal);
}
.sk-article__body ol { list-style: decimal; }
.sk-article__body ol li { margin-bottom: .5em; }
.sk-article__body blockquote {
  background: var(--c-pale);
  border-left: 4px solid var(--c-light);
  padding: 14px 20px;
  margin: 1.6em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--c-mid);
  font-size: .94rem;
}
.sk-article__body table {
  width: 100%; border-collapse: collapse;
  margin: 1.4em 0; font-size: .9rem;
}
.sk-article__body th {
  background: var(--c-teal);
  color: #fff; font-weight: 700;
  padding: 10px 14px; text-align: left;
}
.sk-article__body td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
}
.sk-article__body tr:nth-child(even) td { background: var(--c-teal-pale); }
.sk-article__body img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  margin: 1em 0;
}

/* =========================================
   記事内 装飾ボックス
   ========================================= */
.sk-box {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 1.6em 0;
  font-size: .93rem;
  position: relative;
}
.sk-box--info  { background: #eff6ff; border-left: 4px solid #3b82f6; }
.sk-box--warn  { background: #fff7ed; border-left: 4px solid #f97316; }
.sk-box--check { background: #f0fdf4; border-left: 4px solid #22c55e; }
.sk-box--point { background: var(--c-teal-pale); border-left: 4px solid var(--c-teal); }

/* CTA ボックス */
.sk-cta {
  background: linear-gradient(135deg, #fffbeb, var(--c-gold-light));
  border: 2px solid var(--c-gold);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 2em 0;
  text-align: center;
}
.sk-cta__title {
  font-size: 1rem; font-weight: 800;
  color: var(--c-dark-2); margin-bottom: 8px;
}
.sk-cta__btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--c-gold), var(--c-gold-dark, #b45309));
  color: #fff !important;
  font-weight: 800; font-size: 1rem;
  padding: 13px 30px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(217,119,6,.35);
  text-decoration: none !important;
  transition: var(--trans);
  margin-top: 12px;
}
.sk-cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217,119,6,.45);
}

/* PR ラベル */
.sk-pr {
  display: inline-block;
  background: var(--c-gold);
  color: #fff; font-size: .68rem; font-weight: 700;
  padding: 1px 7px;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 5px;
  letter-spacing: .04em;
}

/* =========================================
   著者プロフィールボックス
   ========================================= */
.sk-author {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 40px 0;
  box-shadow: var(--shadow-md);
}
.sk-author__header {
  background: linear-gradient(135deg, var(--c-teal-dark), var(--c-teal));
  padding: 20px 24px;
  display: flex; align-items: center; gap: 18px;
}
.sk-author__avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.7);
  overflow: hidden; flex-shrink: 0;
  background: var(--c-teal-light);
}
.sk-author__avatar img {
  width: 100%; height: 100%; object-fit: cover;
}
.sk-author__info { color: #fff; }
.sk-author__label {
  font-size: .7rem; font-weight: 700;
  letter-spacing: .1em;
  opacity: .8; margin-bottom: 2px;
}
.sk-author__name {
  font-size: 1.2rem; font-weight: 900;
  line-height: 1.2;
}
.sk-author__title { font-size: .8rem; opacity: .85; margin-top: 2px; }
.sk-author__body {
  padding: 18px 24px;
  font-size: .9rem; line-height: 1.8; color: var(--c-dark-3);
}

/* =========================================
   関連記事
   ========================================= */
.sk-related { margin: 40px 0; }
.sk-related__title {
  font-size: 1.1rem; font-weight: 800;
  color: var(--c-dark-2);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
}
.sk-related__title::before {
  content: '';
  display: block; width: 4px; height: 20px;
  background: var(--c-teal);
  border-radius: 2px;
}

/* =========================================
   SNSシェアボタン
   ========================================= */
.sk-share { margin: 32px 0; }
.sk-share__title {
  font-size: .85rem; font-weight: 700;
  color: var(--c-mid); margin-bottom: 10px;
  letter-spacing: .06em;
}
.sk-share__btns {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.sk-share__btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: .85rem; font-weight: 700; color: #fff;
  transition: var(--trans);
  text-decoration: none;
}
.sk-share__btn:hover { transform: translateY(-2px); filter: brightness(1.08); }
.sk-share__btn--x       { background: #000; }
.sk-share__btn--line    { background: #00b900; }
.sk-share__btn--hatena  { background: #00a4de; }
.sk-share__btn--copy    { background: var(--c-mid); }

/* =========================================
   サイドバー
   ========================================= */
.sk-sidebar { position: sticky; top: 80px; }
.sk-widget {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.sk-widget__head {
  background: linear-gradient(135deg, var(--c-teal-dark), var(--c-teal));
  padding: 11px 18px;
  display: flex; align-items: center; gap: 8px;
}
.sk-widget__head-icon { font-size: 1rem; }
.sk-widget__head-title {
  font-size: .9rem; font-weight: 800;
  color: #fff; letter-spacing: .04em;
}
.sk-widget__body { padding: 16px; }

/* プロフィールウィジェット */
.sk-widget-profile__img {
  text-align: center; margin-bottom: 12px;
}
.sk-widget-profile__img img {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid var(--c-teal-light);
  object-fit: cover;
  margin: 0 auto;
}
.sk-widget-profile__name {
  text-align: center;
  font-size: 1rem; font-weight: 800;
  color: var(--c-dark-2); margin-bottom: 4px;
}
.sk-widget-profile__desc {
  font-size: .83rem; line-height: 1.7;
  color: var(--c-dark-3); text-align: center;
}

/* カテゴリウィジェット */
.sk-widget-cats li {
  border-bottom: 1px solid var(--c-border);
}
.sk-widget-cats li:last-child { border-bottom: none; }
.sk-widget-cats li a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 4px;
  font-size: .88rem; font-weight: 700; color: var(--c-dark-3);
  transition: var(--trans);
}
.sk-widget-cats li a:hover { color: var(--c-teal); padding-left: 8px; }
.sk-widget-cats li a span {
  background: var(--c-teal-pale);
  color: var(--c-teal-dark);
  font-size: .73rem;
  padding: 1px 8px; border-radius: var(--radius-full);
}

/* 人気記事ウィジェット */
.sk-widget-posts li {
  display: flex; gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-border);
}
.sk-widget-posts li:last-child { border-bottom: none; padding-bottom: 0; }
.sk-widget-posts__thumb {
  width: 72px; height: 52px;
  border-radius: var(--radius-sm);
  overflow: hidden; flex-shrink: 0;
  background: var(--c-pale);
}
.sk-widget-posts__thumb img {
  width: 100%; height: 100%; object-fit: cover;
}
.sk-widget-posts__title {
  font-size: .82rem; font-weight: 700;
  line-height: 1.5; color: var(--c-dark-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 検索ウィジェット */
.sk-search-form {
  display: flex; gap: 6px;
}
.sk-search-form input {
  flex: 1;
  padding: 9px 14px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: .88rem;
  outline: none;
  transition: border-color .15s;
}
.sk-search-form input:focus { border-color: var(--c-teal); }
.sk-search-form button {
  background: var(--c-teal);
  color: #fff;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  transition: background .15s;
}
.sk-search-form button:hover { background: var(--c-teal-dark); }

/* バナーウィジェット */
.sk-widget-banner a {
  display: block;
  background: linear-gradient(135deg, var(--c-gold-light), #fef9e7);
  border: 2px solid var(--c-gold);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: var(--trans);
}
.sk-widget-banner a:hover { transform: scale(1.02); }
.sk-widget-banner__title {
  font-size: .9rem; font-weight: 800;
  color: var(--c-dark-2); margin-bottom: 6px;
}
.sk-widget-banner__sub {
  font-size: .78rem; color: var(--c-mid);
}
.sk-widget-banner__btn {
  display: inline-block;
  background: var(--c-gold);
  color: #fff !important; font-size: .82rem; font-weight: 800;
  padding: 7px 18px;
  border-radius: var(--radius-full);
  margin-top: 10px;
}

/* =========================================
   アーカイブページ ヘッダー
   ========================================= */
.sk-archive-header {
  background: linear-gradient(135deg, var(--c-teal-dark), var(--c-teal));
  padding: 36px 20px;
  text-align: center;
  color: #fff;
}
.sk-archive-header__label {
  font-size: .75rem; font-weight: 700;
  letter-spacing: .1em;
  opacity: .8; margin-bottom: 8px;
}
.sk-archive-header__title {
  font-size: 1.8rem; font-weight: 900;
}
.sk-archive-header__count {
  font-size: .82rem; opacity: .75; margin-top: 6px;
}

/* =========================================
   フッター
   ========================================= */
.sk-footer {
  background: var(--c-dark);
  color: #94a3b8;
  padding: 48px 20px 0;
  margin-top: 60px;
}
.sk-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid #1e293b;
}
.sk-footer__brand {}
.sk-footer__brand-name {
  font-size: 1.2rem; font-weight: 900;
  color: #fff; margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.sk-footer__brand-desc {
  font-size: .83rem; line-height: 1.8; color: #64748b;
  max-width: 300px;
}
.sk-footer__col-title {
  font-size: .85rem; font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid #1e293b;
  letter-spacing: .04em;
}
.sk-footer__links li { margin-bottom: 6px; }
.sk-footer__links a {
  font-size: .83rem; color: #64748b;
  transition: color .15s;
  display: flex; align-items: center; gap: 5px;
}
.sk-footer__links a::before {
  content: '›'; color: var(--c-teal); font-weight: 900;
}
.sk-footer__links a:hover { color: #fff; }
.sk-footer__bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.sk-footer__copy {
  font-size: .78rem; color: #475569;
}
.sk-footer__bottom-links {
  display: flex; gap: 16px;
}
.sk-footer__bottom-links a {
  font-size: .78rem; color: #475569;
  transition: color .15s;
}
.sk-footer__bottom-links a:hover { color: #fff; }

/* =========================================
   TOPへ戻るボタン
   ========================================= */
#sk-top-btn {
  position: fixed; bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  background: var(--c-teal);
  color: #fff;
  border-radius: 50%;
  display: none; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 16px rgba(13,148,136,.4);
  transition: var(--trans);
  z-index: 997;
  text-decoration: none;
}
#sk-top-btn:hover {
  background: var(--c-teal-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 22px rgba(13,148,136,.5);
}
#sk-top-btn.show { display: flex; }

/* =========================================
   404 / SEARCH
   ========================================= */
.sk-notfound {
  text-align: center;
  padding: 80px 20px;
}
.sk-notfound__code {
  font-size: 5rem; font-weight: 900;
  color: var(--c-teal); line-height: 1;
  margin-bottom: 12px;
}
.sk-notfound__title {
  font-size: 1.5rem; font-weight: 800;
  color: var(--c-dark-2); margin-bottom: 10px;
}
.sk-notfound__text { color: var(--c-mid); margin-bottom: 28px; }
.sk-notfound__btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-teal);
  color: #fff !important; font-weight: 700; font-size: .95rem;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  transition: var(--trans);
  text-decoration: none;
}
.sk-notfound__btn:hover { background: var(--c-teal-dark); transform: translateY(-2px); }

/* =========================================
   BREADCRUMBS
   ========================================= */
.sk-breadcrumb {
  background: var(--c-pale);
  border-bottom: 1px solid var(--c-border);
  padding: 9px 20px;
  font-size: .78rem; color: var(--c-mid);
}
.sk-breadcrumb__inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px;
}
.sk-breadcrumb a { color: var(--c-teal); transition: color .15s; }
.sk-breadcrumb a:hover { color: var(--c-teal-dark); }
.sk-breadcrumb__sep { color: var(--c-light); }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .sk-layout, .sk-article-wrap {
    grid-template-columns: 1fr;
  }
  .sk-sidebar { position: static; }
  .sk-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .sk-header__inner { padding: 0 14px; }
  .sk-nav { display: none; }
  .sk-hamburger { display: flex; }
  .sk-grid { grid-template-columns: 1fr; }
  .sk-grid--3 { grid-template-columns: 1fr 1fr; }
  .sk-hero { padding: 40px 16px 48px; }
  .sk-layout, .sk-article-wrap { padding: 24px 14px; }
  .sk-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  #sk-top-btn { width: 42px; height: 42px; bottom: 16px; right: 16px; }
}

@media (max-width: 400px) {
  .sk-grid--3 { grid-template-columns: 1fr; }
}

/* =========================================
   セミナーセクション
   ========================================= */
.sk-seminar {
  background: linear-gradient(160deg, #fffbf0 0%, #fff7e6 40%, #fef9f0 100%);
  border-top: 3px solid var(--c-gold);
  border-bottom: 3px solid var(--c-gold);
  padding: 56px 20px 60px;
  position: relative;
  overflow: hidden;
}
.sk-seminar::before {
  content: '¥';
  position: absolute; top: -20px; right: 5%;
  font-size: 18rem; font-weight: 900;
  color: rgba(217,119,6,.04);
  line-height: 1; pointer-events: none;
  user-select: none;
}
.sk-seminar__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
/* ヘッダー部 */
.sk-seminar__header {
  text-align: center;
  margin-bottom: 36px;
}
.sk-seminar__badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--c-gold);
  color: #fff; font-size: .75rem; font-weight: 800;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  letter-spacing: .08em;
  margin-bottom: 16px;
  box-shadow: 0 2px 8px rgba(217,119,6,.3);
}
.sk-seminar__badge::before { content: '●'; font-size: .5rem; animation: sk-blink 1.4s ease infinite; }
@keyframes sk-blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.sk-seminar__title {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 900;
  color: var(--c-dark);
  line-height: 1.3;
  margin-bottom: 10px;
}
.sk-seminar__title .emoji { font-style: normal; }
.sk-seminar__subtitle {
  font-size: clamp(.92rem, 2vw, 1.12rem);
  font-weight: 700;
  color: var(--c-gold);
  background: var(--c-gold-light);
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(217,119,6,.25);
  margin-top: 4px;
}

/* メインカード 2カラム */
.sk-seminar__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

/* 左: 概要・CTAカード */
.sk-seminar__overview {
  background: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 28px 28px 32px;
  box-shadow: 0 8px 32px rgba(217,119,6,.12);
  border: 1.5px solid rgba(217,119,6,.2);
  display: flex; flex-direction: column; gap: 18px;
}
.sk-seminar__info-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed #fde68a;
}
.sk-seminar__info-row:last-of-type { border-bottom: none; }
.sk-seminar__info-icon {
  width: 36px; height: 36px;
  background: var(--c-gold-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.sk-seminar__info-text { flex: 1; }
.sk-seminar__info-label {
  font-size: .7rem; font-weight: 700;
  color: var(--c-gold);
  letter-spacing: .08em; margin-bottom: 2px;
}
.sk-seminar__info-value {
  font-size: .95rem; font-weight: 700;
  color: var(--c-dark-2);
  line-height: 1.4;
}
.sk-seminar__price-tag {
  background: linear-gradient(135deg, var(--c-gold), #b45309);
  color: #fff;
  font-size: 1.6rem; font-weight: 900;
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 4px 16px rgba(217,119,6,.3);
  letter-spacing: .04em;
}
.sk-seminar__price-tag small {
  font-size: .75rem; font-weight: 400; opacity: .85;
  display: block; margin-top: 2px;
}
.sk-seminar__cta-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, var(--c-teal), var(--c-teal-dark));
  color: #fff !important;
  font-size: 1rem; font-weight: 800;
  padding: 15px 24px;
  border-radius: var(--radius-full);
  text-decoration: none !important;
  box-shadow: 0 4px 18px rgba(13,148,136,.35);
  transition: var(--trans);
  letter-spacing: .04em;
  text-align: center;
}
.sk-seminar__cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(13,148,136,.45);
}
.sk-seminar__cta-btn::after { content: ' →'; }
.sk-seminar__free-note {
  font-size: .78rem; color: var(--c-mid);
  text-align: center; margin-top: -10px;
}

/* 右: おすすめ・詳細 */
.sk-seminar__detail {
  display: flex; flex-direction: column; gap: 18px;
}
.sk-seminar__rec {
  background: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 22px 24px;
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--c-border);
  flex: 1;
}
.sk-seminar__rec-title {
  font-size: 1rem; font-weight: 800;
  color: var(--c-dark-2);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--c-gold-light);
}
.sk-seminar__rec-title::before {
  content: '✓';
  display: flex; align-items: center; justify-content: center;
  width: 24px; height: 24px;
  background: var(--c-gold);
  color: #fff;
  border-radius: 50%;
  font-size: .75rem; font-weight: 900;
  flex-shrink: 0;
}
.sk-seminar__rec-list { display: flex; flex-direction: column; gap: 8px; }
.sk-seminar__rec-item {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .88rem; color: var(--c-dark-3);
  line-height: 1.55;
}
.sk-seminar__rec-item::before {
  content: '○';
  color: var(--c-gold); font-weight: 900;
  flex-shrink: 0; margin-top: 1px;
}

/* 説明テキスト */
.sk-seminar__desc {
  background: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--c-border);
}
.sk-seminar__desc-title {
  font-size: .95rem; font-weight: 800;
  color: var(--c-dark-2);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.sk-seminar__desc-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 18px;
  background: linear-gradient(180deg, var(--c-teal), var(--c-gold));
  border-radius: 2px;
  flex-shrink: 0;
}
.sk-seminar__desc-text {
  font-size: .88rem; line-height: 1.85;
  color: var(--c-dark-3);
  max-height: 120px;
  overflow: hidden;
  position: relative;
  transition: max-height .4s ease;
}
.sk-seminar__desc-text.is-open { max-height: 1000px; }
.sk-seminar__desc-text:not(.is-open)::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 48px;
  background: linear-gradient(transparent, var(--c-white));
}
.sk-seminar__toggle {
  display: inline-flex; align-items: center; gap: 5px;
  margin-top: 8px;
  font-size: .82rem; font-weight: 700;
  color: var(--c-teal);
  cursor: pointer;
  background: none; border: none;
  padding: 4px 0;
  transition: color .15s;
}
.sk-seminar__toggle:hover { color: var(--c-teal-dark); }
.sk-seminar__toggle-icon { transition: transform .3s ease; }
.sk-seminar__toggle.is-open .sk-seminar__toggle-icon { transform: rotate(180deg); }

/* 注意事項 */
.sk-seminar__notes {
  background: #fffbeb;
  border: 1.5px solid #fde68a;
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  font-size: .82rem;
  color: var(--c-dark-3);
  line-height: 1.8;
}
.sk-seminar__notes-title {
  font-weight: 800;
  color: var(--c-gold);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.sk-seminar__notes ol {
  list-style: decimal; padding-left: 1.4em;
}
.sk-seminar__notes ol li { margin-bottom: 3px; }

/* レスポンシブ */
@media (max-width: 720px) {
  .sk-seminar__body { grid-template-columns: 1fr; }
  .sk-seminar { padding: 36px 16px 40px; }
}

/* =========================================
   WordPress コアクラス互換
   ========================================= */
.aligncenter { display: block; margin: 1em auto; text-align: center; }
.alignleft  { float: left; margin: .5em 1.4em .5em 0; }
.alignright { float: right; margin: .5em 0 .5em 1.4em; }
.wp-caption  { max-width: 100%; }
.wp-caption-text { font-size: .8rem; color: var(--c-mid); text-align: center; margin-top: 4px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 8px; }

/* ===========================================
   申し込みフォーム / 支払い / 完了ページ
   =========================================== */

/* ---- ページ外枠 ---- */
.sk-form-page {
    padding: 48px 20px 80px;
    background: var(--c-bg);
    min-height: 60vh;
}
.sk-form-page__inner {
    max-width: 640px;
    margin: 0 auto;
}
.sk-form-page__head {
    text-align: center;
    margin-bottom: 36px;
}
.sk-form-page__badge {
    display: inline-block;
    background: var(--c-teal);
    color: #fff;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 14px;
}
.sk-form-page__title {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--c-dark);
    margin: 0 0 10px;
}
.sk-form-page__desc {
    color: var(--c-mid);
    font-size: .9rem;
    margin: 0;
}

/* ---- アラート ---- */
.sk-form-alert {
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 24px;
    font-size: .9rem;
    line-height: 1.7;
}
.sk-form-alert p { margin: 0 0 4px; }
.sk-form-alert p:last-child { margin-bottom: 0; }
.sk-form-alert--error {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #b91c1c;
}
.sk-form-alert--info {
    background: #eff6ff;
    border: 1px solid #93c5fd;
    color: #1d4ed8;
}

/* ---- 受付なし通知 ---- */
.sk-form-notice {
    text-align: center;
    padding: 60px 20px;
    color: var(--c-mid);
    background: var(--c-light);
    border-radius: var(--radius-lg);
    font-size: .95rem;
    line-height: 1.8;
}

/* ---- フォーム本体 ---- */
.sk-form {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 36px 40px;
    box-shadow: var(--shadow-md);
}
@media (max-width: 480px) {
    .sk-form { padding: 24px 20px 28px; }
}
.sk-form__group {
    margin-bottom: 22px;
}
.sk-form__label {
    display: block;
    font-size: .85rem;
    font-weight: 700;
    color: var(--c-dark-2);
    margin-bottom: 7px;
}
.sk-form__req {
    display: inline-block;
    background: #ef4444;
    color: #fff;
    font-size: .68rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
}
.sk-form__opt {
    display: inline-block;
    background: var(--c-mid);
    color: #fff;
    font-size: .68rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
}
.sk-form__input,
.sk-form__select {
    display: block;
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: .95rem;
    font-family: inherit;
    color: var(--c-dark);
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}
.sk-form__input:focus,
.sk-form__select:focus {
    outline: none;
    border-color: var(--c-teal);
    box-shadow: 0 0 0 3px rgba(13,148,136,.12);
}
.sk-form__select-wrap {
    position: relative;
}
.sk-form__select-wrap::after {
    content: '▼';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: .7rem;
    color: var(--c-mid);
}
.sk-form__hint {
    font-size: .78rem;
    color: var(--c-mid);
    margin: 5px 0 0;
}

/* ---- 参加費ボックス ---- */
.sk-form-price-box {
    background: var(--c-teal-pale);
    border: 1.5px solid var(--c-teal-light);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 28px 0 28px;
}
.sk-form-price-box__row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}
.sk-form-price-box__label {
    font-size: .8rem;
    font-weight: 700;
    color: var(--c-teal-dark);
}
.sk-form-price-box__price {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--c-teal-dark);
}
.sk-form-price-box__price small {
    font-size: .75rem;
    font-weight: 400;
    margin-left: 4px;
}
.sk-form-price-box__note {
    font-size: .78rem;
    color: var(--c-mid);
    margin: 0;
    line-height: 1.7;
}

/* ---- 送信ボタン ---- */
.sk-form__submit {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--c-teal);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 800;
    font-family: inherit;
    cursor: pointer;
    transition: background .2s, transform .15s;
    letter-spacing: .04em;
}
.sk-form__submit:hover {
    background: var(--c-teal-dark);
    transform: translateY(-1px);
}
.sk-form__submit:active { transform: translateY(0); }

/* ---- 完了ページ ---- */
.sk-thanks {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 56px 40px 52px;
    text-align: center;
    box-shadow: var(--shadow-md);
}
@media (max-width: 480px) {
    .sk-thanks { padding: 40px 20px 36px; }
}
.sk-thanks__icon {
    font-size: 3.6rem;
    line-height: 1;
    margin-bottom: 20px;
}
.sk-thanks__title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--c-dark);
    margin: 0 0 12px;
}
.sk-thanks__name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-teal-dark);
    margin: 0 0 20px;
}
.sk-thanks__detail {
    display: inline-flex;
    flex-direction: column;
    gap: 8px;
    background: var(--c-teal-pale);
    border-radius: var(--radius-md);
    padding: 16px 28px;
    margin: 0 auto 24px;
    text-align: left;
}
.sk-thanks__detail-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9rem;
    color: var(--c-dark-2);
}
.sk-thanks__detail-icon { font-size: 1rem; }
.sk-thanks__msg {
    color: var(--c-mid);
    font-size: .9rem;
    line-height: 1.8;
    margin-bottom: 28px;
}
.sk-thanks__msg p { margin: 0 0 6px; }
.sk-thanks--pending .sk-thanks__icon { filter: grayscale(.5); }

/* ===========================================
   セミナー専用 LP
   =========================================== */

.sk-lp { overflow: hidden; }

/* ---- CTAボタン共通 ---- */
.sk-lp-cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--c-gold) 0%, #f59e0b 100%);
    color: #fff;
    font-weight: 900;
    font-size: 1rem;
    padding: 16px 40px;
    border-radius: var(--radius-full);
    text-decoration: none;
    letter-spacing: .06em;
    box-shadow: 0 4px 20px rgba(217,119,6,.35);
    transition: transform .2s, box-shadow .2s;
}
.sk-lp-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(217,119,6,.45);
    color: #fff;
}
.sk-lp-cta-btn--large {
    font-size: 1.15rem;
    padding: 20px 56px;
}

/* ---- セクション共通 ---- */
.sk-lp-section {
    padding: 72px 20px;
}
.sk-lp-section__inner {
    max-width: 960px;
    margin: 0 auto;
}
.sk-lp-section__inner--narrow {
    max-width: 720px;
}
.sk-lp-section__head {
    text-align: center;
    margin-bottom: 48px;
}
.sk-lp-section__label {
    display: inline-block;
    background: var(--c-teal);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    padding: 5px 18px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}
.sk-lp-section__label--red {
    background: #ef4444;
}
.sk-lp-section__title {
    font-size: 1.7rem;
    font-weight: 900;
    color: var(--c-dark);
    margin: 0;
    line-height: 1.4;
}
.sk-lp-section__title em {
    font-style: normal;
    color: var(--c-teal);
    border-bottom: 3px solid var(--c-teal-light);
}
.sk-lp-section__cta {
    text-align: center;
    margin-top: 44px;
}
@media (max-width: 600px) {
    .sk-lp-section { padding: 52px 16px; }
    .sk-lp-section__title { font-size: 1.35rem; }
}

/* ---- HERO ---- */
.sk-lp-hero {
    background: linear-gradient(155deg, #0f172a 0%, #0d2d3a 50%, #0f3a30 100%);
    color: #fff;
    padding: 88px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.sk-lp-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(13,148,136,.25) 0%, transparent 70%);
    pointer-events: none;
}
.sk-lp-hero__inner {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
}
.sk-lp-hero__badge {
    display: inline-block;
    background: rgba(217,119,6,.9);
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .1em;
    padding: 6px 20px;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}
.sk-lp-hero__catch {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    line-height: 1.25;
    margin: 0 0 10px;
    color: #fff;
}
.sk-lp-hero__catch span {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.7rem);
    font-weight: 700;
    color: var(--c-teal-light);
    margin-top: 10px;
}
.sk-lp-hero__sub {
    font-size: .95rem;
    color: rgba(255,255,255,.7);
    margin: 0 0 28px;
}
.sk-lp-hero__points {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 20px;
    margin-bottom: 36px;
}
.sk-lp-hero__point {
    font-size: .85rem;
    color: var(--c-teal-light);
    font-weight: 600;
}
.sk-lp-hero__free {
    margin-top: 14px;
    font-size: .8rem;
    color: rgba(255,255,255,.55);
}

/* ---- お悩み ---- */
.sk-lp-section--problem {
    background: #fff8f8;
}
.sk-lp-problems {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
    margin-bottom: 36px;
}
.sk-lp-problems__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fff;
    border: 1.5px solid #fecaca;
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: .9rem;
    color: var(--c-dark-2);
    line-height: 1.6;
}
.sk-lp-problems__icon { font-size: 1.2rem; flex-shrink: 0; }
.sk-lp-solve {
    text-align: center;
    background: linear-gradient(135deg, var(--c-teal-pale), #fff);
    border: 2px solid var(--c-teal-light);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    font-size: 1rem;
    color: var(--c-dark-2);
}
.sk-lp-solve strong { color: var(--c-teal-dark); font-weight: 900; font-size: 1.1rem; }

/* ---- 学べること ---- */
.sk-lp-section--features {
    background: linear-gradient(160deg, #0f3a30 0%, #0d2d3a 100%);
}
.sk-lp-section--features .sk-lp-section__label { background: rgba(255,255,255,.15); }
.sk-lp-section--features .sk-lp-section__title { color: #fff; }
.sk-lp-section--features .sk-lp-section__title em { color: var(--c-teal-light); border-bottom-color: rgba(204,251,241,.3); }
.sk-lp-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}
.sk-lp-features__item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    transition: background .2s;
}
.sk-lp-features__item:hover { background: rgba(255,255,255,.12); }
.sk-lp-features__num {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--c-teal-light);
    opacity: .7;
    min-width: 36px;
    line-height: 1;
}
.sk-lp-features__text {
    font-size: .9rem;
    color: rgba(255,255,255,.9);
    line-height: 1.6;
}

/* ---- セミナー概要 ---- */
.sk-lp-section--overview {
    background: var(--c-bg);
}
.sk-lp-overview {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: start;
}
@media (max-width: 680px) {
    .sk-lp-overview { grid-template-columns: 1fr; }
}
.sk-lp-overview__table {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid #e2e8f0;
}
.sk-lp-overview__row {
    display: grid;
    grid-template-columns: 36px 120px 1fr;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid #f1f5f9;
    font-size: .9rem;
}
.sk-lp-overview__row:last-child { border-bottom: none; }
.sk-lp-overview__row--price { background: var(--c-gold-light); }
.sk-lp-overview__icon { font-size: 1.2rem; text-align: center; }
.sk-lp-overview__label { font-weight: 700; color: var(--c-dark-2); font-size: .8rem; }
.sk-lp-overview__value { color: var(--c-dark); line-height: 1.6; }
.sk-lp-overview__price { font-size: 1.4rem; font-weight: 900; color: var(--c-gold); }
.sk-lp-overview__cta {
    text-align: center;
    min-width: 200px;
}
.sk-lp-overview__note {
    font-size: .75rem;
    color: var(--c-mid);
    margin-top: 10px;
}

/* ---- おすすめ ---- */
.sk-lp-section--rec {
    background: var(--c-gold-light);
}
.sk-lp-rec {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}
.sk-lp-rec__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: .9rem;
    color: var(--c-dark-2);
    line-height: 1.6;
    box-shadow: var(--shadow-sm);
}
.sk-lp-rec__check {
    color: var(--c-teal);
    font-weight: 900;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ---- イベント詳細 ---- */
.sk-lp-section--detail {
    background: linear-gradient(160deg, #fffbf0 0%, #fefce8 60%, #fff 100%);
    position: relative;
    overflow: hidden;
}
.sk-lp-section--detail::before {
    content: '\201C';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-560px);
    font-size: 22rem; font-weight: 900;
    color: rgba(217,119,6,.06);
    line-height: 1;
    pointer-events: none;
    font-family: Georgia, serif;
}
.sk-lp-detail { position: relative; }
.sk-lp-detail__card {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 36px 40px;
    box-shadow: 0 6px 32px rgba(0,0,0,.07);
    border: 1.5px solid rgba(217,119,6,.18);
    border-left: 5px solid var(--c-gold);
}

/* リード文（最初の段落） */
.sk-lp-detail__lead {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--c-dark);
    line-height: 1.95;
    margin: 0 0 22px;
    padding-bottom: 20px;
    border-bottom: 1.5px dashed #fde68a;
}

/* 通常段落 */
.sk-lp-detail__para {
    font-size: .93rem;
    color: var(--c-dark-3);
    line-height: 2;
    margin: 0 0 14px;
    padding-left: 14px;
    border-left: 3px solid transparent;
    transition: border-color .2s, background .2s;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.sk-lp-detail__para:hover {
    border-left-color: var(--c-gold);
    background: rgba(217,119,6,.03);
}
.sk-lp-detail__para:last-of-type { margin-bottom: 0; }

/* ✿ ノートボックス */
.sk-lp-detail__note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 24px;
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1.5px solid #6ee7b7;
    border-radius: var(--radius-lg);
    padding: 18px 22px;
    font-size: .9rem;
    color: #065f46;
    line-height: 1.8;
}
.sk-lp-detail__note-icon {
    display: flex; align-items: center; justify-content: center;
    width: 22px; height: 22px; flex-shrink: 0;
    background: #10b981;
    color: #fff;
    border-radius: 50%;
    font-size: .7rem; font-weight: 900;
    margin-top: 2px;
}

@media (max-width: 480px) {
    .sk-lp-detail__card { padding: 24px 20px; }
    .sk-lp-section--detail::before { display: none; }
}

/* ---- 講師 ---- */
.sk-lp-section--instructor { background: var(--c-bg); }
.sk-lp-instructor {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}
@media (max-width: 560px) {
    .sk-lp-instructor { flex-direction: column; align-items: center; text-align: center; }
}
.sk-lp-instructor__avatar img,
.sk-lp-instructor__avatar-placeholder {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--c-teal-light);
}
.sk-lp-instructor__avatar-placeholder {
    background: var(--c-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}
.sk-lp-instructor__title {
    font-size: .75rem;
    font-weight: 700;
    color: var(--c-teal);
    letter-spacing: .08em;
    margin-bottom: 4px;
}
.sk-lp-instructor__name {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--c-dark);
    margin-bottom: 12px;
}
.sk-lp-instructor__bio p {
    font-size: .88rem;
    color: var(--c-dark-2);
    line-height: 1.8;
    margin: 0 0 8px;
}
.sk-lp-instructor__bio p:last-child { margin-bottom: 0; }

/* ---- FAQ ---- */
.sk-lp-section--faq { background: #fff; }
.sk-lp-faq { display: flex; flex-direction: column; gap: 10px; }
.sk-lp-faq__item {
    border: 1.5px solid #e2e8f0;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color .2s;
}
.sk-lp-faq__item[open] { border-color: var(--c-teal); }
.sk-lp-faq__q {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    font-weight: 700;
    font-size: .95rem;
    color: var(--c-dark);
    cursor: pointer;
    list-style: none;
    user-select: none;
}
.sk-lp-faq__q::-webkit-details-marker { display: none; }
.sk-lp-faq__q::before {
    content: 'Q';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--c-teal);
    color: #fff;
    font-size: .8rem;
    font-weight: 900;
    flex-shrink: 0;
}
.sk-lp-faq__q::after {
    content: '＋';
    margin-left: auto;
    font-size: 1.2rem;
    color: var(--c-teal);
    transition: transform .25s;
    font-weight: 400;
}
.sk-lp-faq__item[open] .sk-lp-faq__q::after { transform: rotate(45deg); }
.sk-lp-faq__a {
    padding: 0 20px 18px 60px;
    font-size: .9rem;
    color: var(--c-dark-2);
    line-height: 1.8;
}

/* ---- 最終CTA ---- */
.sk-lp-section--final-cta {
    background: linear-gradient(135deg, #0f3a30 0%, #0d2d3a 100%);
}
.sk-lp-section--final-cta .sk-lp-section__inner { text-align: center; }
.sk-lp-final-cta {
    padding: 0;
}
.sk-lp-final-cta__eyebrow {
    font-size: .85rem;
    color: rgba(255,255,255,.6);
    letter-spacing: .1em;
    margin-bottom: 8px;
}
.sk-lp-final-cta__price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--c-gold);
    line-height: 1;
    margin-bottom: 6px;
}
.sk-lp-final-cta__price small {
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255,255,255,.5);
    margin-left: 6px;
}
.sk-lp-final-cta__note {
    font-size: .8rem;
    color: rgba(255,255,255,.5);
    margin-bottom: 32px;
}
.sk-lp-final-cta__free {
    font-size: .8rem;
    color: rgba(255,255,255,.45);
    margin-top: 14px;
}

/* ---- 注意事項 ---- */
.sk-lp-section--notes {
    background: var(--c-bg);
    padding: 48px 20px;
}
.sk-lp-notes__title {
    font-size: .9rem;
    font-weight: 700;
    color: var(--c-dark-2);
    margin-bottom: 14px;
}
.sk-lp-notes__list {
    padding-left: 20px;
    font-size: .85rem;
    color: var(--c-mid);
    line-height: 2;
}

/* ---- スティッキーバー（モバイル） ---- */
.sk-lp-sticky {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15,23,42,.96);
    backdrop-filter: blur(8px);
    z-index: 900;
    padding: 10px 16px;
    box-shadow: 0 -2px 16px rgba(0,0,0,.3);
}
.sk-lp-sticky__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: 540px;
    margin: 0 auto;
}
.sk-lp-sticky__info { overflow: hidden; }
.sk-lp-sticky__title {
    display: block;
    font-size: .72rem;
    color: rgba(255,255,255,.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sk-lp-sticky__price {
    display: block;
    font-size: 1rem;
    font-weight: 900;
    color: var(--c-gold);
}
.sk-lp-sticky__btn {
    flex-shrink: 0;
    background: var(--c-gold);
    color: #fff;
    font-weight: 800;
    font-size: .9rem;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    text-decoration: none;
    white-space: nowrap;
}
@media (max-width: 680px) {
    .sk-lp-sticky { display: block; }
    .sk-lp { padding-bottom: 64px; }
}

/* ============================================================
   アフィリエイトバナー
============================================================ */
.sk-affiliate-banner {
    margin: 2em auto;
    padding: 16px;
    text-align: center;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: var(--radius-lg);
    max-width: 400px;
}
.sk-affiliate-banner__pr {
    font-size: .65rem;
    color: #aaa;
    text-align: right;
    margin: 0 0 6px;
    letter-spacing: .08em;
}