/*
Theme Name: SKT Theme
Theme URI: https://www.skt-communication.masuto-inc.com/
Author: SKT Communication
Author URI: https://www.skt-communication.masuto-inc.com/
Description: SKT Communication 専用カスタムテーマ。実践的スピーチ・プレゼン研修サービス向け高品質BtoBデザイン。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: All Rights Reserved
Text Domain: skt-theme
*/

/* ============================================================
   1. CSS カスタムプロパティ（変数）
   ============================================================ */
:root {
  /* カラー */
  --color-primary:    #0b2f5b;
  --color-primary-d:  #071e3d;
  --color-accent:     #c9a84c;
  --color-accent-d:   #a8883a;
  --color-text:       #1a1a1a;
  --color-text-sub:   #555555;
  --color-bg:         #fcfdff;
  --color-bg-gray:    #f5f6f8;
  --color-bg-navy:    #0b2f5b;
  --color-border:     #dde1e8;
  --color-white:      #ffffff;

  /* フォント */
  --font-serif: 'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --font-sans:  'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;

  /* サイズ */
  --max-width:     1080px;
  --padding-x:     clamp(16px, 4vw, 40px);
  --radius:        6px;
  --radius-lg:     12px;

  /* トランジション */
  --transition: 0.25s ease;
}

/* ============================================================
   2. リセット・ベース
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover { opacity: 0.75; }

ul, ol { list-style: none; }

/* ============================================================
   3. ユーティリティ
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--padding-x);
}

.section {
  padding-block: clamp(60px, 8vw, 100px);
}

.section--gray { background: var(--color-bg-gray); }
.section--navy { background: var(--color-bg-navy); color: var(--color-white); }

.section__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.06em;
  margin-bottom: 0.4em;
  line-height: 1.4;
}

.section__heading--white { color: var(--color-white); }

.section__subheading {
  text-align: center;
  color: var(--color-text-sub);
  font-size: 0.95rem;
  margin-bottom: clamp(36px, 5vw, 60px);
}

.section__subheading--white { color: rgba(255,255,255,0.75); }

.section__label {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6em;
}

/* ============================================================
   4. ボタン
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  padding: 16px 40px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); opacity: 1; }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-d);
  border-color: var(--color-accent-d);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--lg {
  font-size: 1.1rem;
  padding: 20px 56px;
}

/* ============================================================
   5. ヘッダー
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-header__logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.08em;
}

.site-header__logo span {
  color: var(--color-accent);
}

.site-nav__list {
  display: flex;
  gap: 32px;
}

.site-nav__list a {
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.site-nav__list a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  opacity: 1;
}

.site-header__cta {
  display: flex;
  align-items: center;
}

.site-header__cta .btn {
  padding: 10px 24px;
  font-size: 0.88rem;
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルメニュー */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 68px 0 0 0;
  background: var(--color-primary-d);
  z-index: 99;
  overflow-y: auto;
  padding: 32px var(--padding-x) 48px;
  flex-direction: column;
  gap: 0;
}

.mobile-nav.is-open { display: flex; }

.mobile-nav a {
  color: var(--color-white);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: block;
}

.mobile-nav .btn {
  margin-top: 24px;
  width: 100%;
  text-align: center;
}

/* ============================================================
   6. ヒーローセクション
   ============================================================ */
.hero {
  background: linear-gradient(135deg, #071e3d 0%, #0b2f5b 50%, #123d74 100%);
  position: relative;
  overflow: hidden;
  padding-block: clamp(80px, 12vw, 140px);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(201,168,76,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(255,255,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__desc {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 8px 16px;
  border-radius: 100px;
}

.hero__meta-item::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

/* ============================================================
   7. お悩みセクション（Pain）
   ============================================================ */
.pain__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.pain__card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.pain__card:hover {
  box-shadow: 0 6px 24px rgba(11,47,91,0.1);
  transform: translateY(-2px);
}

.pain__icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  line-height: 1;
}

.pain__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

/* ============================================================
   8. 選ばれる理由セクション（Reason）
   ============================================================ */
.reason__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.reason__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 2px 20px rgba(11,47,91,0.07);
  position: relative;
  overflow: hidden;
}

.reason__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.reason__number {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.reason__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.reason__desc {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* ============================================================
   9. カリキュラムセクション
   ============================================================ */
.curriculum__timeline {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
}

.curriculum__timeline::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}

.curriculum__item {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  position: relative;
}

.curriculum__item:last-child { margin-bottom: 0; }

.curriculum__step {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--color-bg-gray), 0 0 0 6px var(--color-primary);
}

.curriculum__step-num {
  font-family: var(--font-serif);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  opacity: 0.8;
}

.curriculum__step-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.curriculum__body {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  flex: 1;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.curriculum__session {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.curriculum__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.curriculum__desc {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}

/* ============================================================
   10. 開催概要・費用セクション
   ============================================================ */
.overview__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(11,47,91,0.07);
}

.overview__table th,
.overview__table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  vertical-align: top;
}

.overview__table th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  width: 30%;
  font-family: var(--font-sans);
  letter-spacing: 0.03em;
}

.overview__table tr:last-child th,
.overview__table tr:last-child td {
  border-bottom: none;
}

.overview__price {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.overview__price-note {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}

/* ============================================================
   11. 講師紹介セクション
   ============================================================ */
.trainer__inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  align-items: start;
}

.trainer__photo-wrap {
  position: relative;
}

.trainer__photo {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px rgba(11,47,91,0.2);
}

.trainer__photo-deco {
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.trainer__name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.trainer__name-en {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.trainer__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.trainer__tag {
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  padding: 5px 14px;
  border-radius: 100px;
}

.trainer__bio {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  line-height: 1.9;
  margin-bottom: 24px;
}

.trainer__career {
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
}

.trainer__career-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.trainer__career-list li {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  padding: 6px 0;
  border-bottom: 1px dashed var(--color-border);
  display: flex;
  gap: 8px;
}

.trainer__career-list li::before {
  content: '—';
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============================================================
   12. 受講者の声セクション
   ============================================================ */
.voice__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.voice__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 2px 16px rgba(11,47,91,0.07);
  position: relative;
}

.voice__card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 24px;
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
}

.voice__text {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-top: 20px;
}

.voice__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.voice__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.voice__name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.voice__role {
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

.voice__stars {
  margin-left: auto;
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 2px;
}

/* ============================================================
   13. FAQセクション
   ============================================================ */
.faq__list {
  max-width: 760px;
  margin-inline: auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition);
}

.faq__question:hover { color: var(--color-primary); }

.faq__q-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.82rem;
}

.faq__toggle {
  margin-left: auto;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
}

.faq__toggle::before,
.faq__toggle::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.faq__toggle::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq__toggle::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq__item.is-open .faq__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq__answer {
  display: none;
  padding: 0 4px 20px 44px;
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.85;
}

.faq__item.is-open .faq__answer { display: block; }

.faq__a-icon {
  color: var(--color-accent);
  font-weight: 700;
  margin-right: 8px;
}

/* ============================================================
   14. CTAセクション
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, #071e3d 0%, #0b2f5b 100%);
  padding-block: clamp(60px, 8vw, 96px);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 50% 50%, rgba(201,168,76,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section__inner { position: relative; z-index: 1; }

.cta-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  line-height: 1.45;
}

.cta-section__desc {
  color: rgba(255,255,255,0.75);
  font-size: 0.97rem;
  margin-bottom: 36px;
}

.cta-section__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-section__note {
  margin-top: 20px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* ============================================================
   15. お問い合わせセクション（独自フォーム）
   ============================================================ */

/* ---- セクション外枠 ---- */
.contact-section {
  background: linear-gradient(135deg, var(--color-primary-d) 0%, var(--color-primary) 100%);
  padding-block: clamp(64px, 10vw, 120px);
  position: relative;
  overflow: hidden;
}

/* 装飾：右上の大きな円 */
.contact-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(201,168,76,0.07);
  pointer-events: none;
}

/* ---- 2カラムレイアウト ---- */
.contact-section__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

/* ---- 左：情報パネル ---- */
.contact-section__info .section__label {
  margin-bottom: 16px;
}

.contact-section__heading {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.4;
  margin-bottom: 20px;
}

.contact-section__lead {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.85;
  margin-bottom: 36px;
}

.contact-section__meta {
  list-style: none;
  padding: 0;
  margin: 0 0 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-section__meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
}

.contact-section__meta-icon {
  width: 32px;
  height: 32px;
  background: rgba(201,168,76,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-section__guarantee {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid rgba(201,168,76,0.4);
  border-radius: var(--radius);
}

.contact-section__guarantee-text {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  margin: 0;
}

/* ---- 右：フォームカード ---- */
.contact-section__form-wrap {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 52px);
  box-shadow: 0 8px 48px rgba(0,0,0,0.25);
}

/* ---- フォーム各要素 ---- */
.contact-form__group {
  margin-bottom: 20px;
}

.contact-form__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 7px;
}

.contact-form__required {
  font-size: 0.68rem;
  background: #c0392b;
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.03em;
}

.contact-form__optional {
  font-size: 0.68rem;
  background: #a0b0c8;
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.03em;
}

.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1.5px solid #d0d8e4;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fafbfd;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  appearance: none;
}

.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(11,47,91,0.09);
}

.contact-form__textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.7;
}

/* セレクトボックスのラッパー（矢印カスタム） */
.contact-form__select-wrap {
  position: relative;
}

.contact-form__select-wrap::after {
  content: '';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  rotate: 45deg;
  pointer-events: none;
}

.contact-form__select {
  padding-right: 36px;
  cursor: pointer;
}

/* エラー状態 */
.contact-form__group.has-error .contact-form__input,
.contact-form__group.has-error .contact-form__textarea {
  border-color: #c0392b;
  background: #fff8f8;
}

.contact-form__error-msg {
  font-size: 0.78rem;
  color: #c0392b;
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.contact-form__error-msg::before {
  content: '！';
  font-weight: 700;
}

/* 送信ボタン */
.contact-form__submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
  padding: 18px 24px;
  background: var(--color-accent);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}

.contact-form__submit:hover {
  background: var(--color-accent-d);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,168,76,0.45);
}

.contact-form__submit svg {
  flex-shrink: 0;
  transition: transform var(--transition);
}

.contact-form__submit:hover svg {
  transform: translateX(4px);
}

/* プライバシーノート */
.contact-form__privacy-note {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  text-align: center;
  margin-top: 14px;
  margin-bottom: 0;
}

/* アラート（エラーバナー） */
.contact-form__alert {
  background: #fdf0ef;
  border-left: 4px solid #c0392b;
  color: #8b1a0e;
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.contact-form__alert--spam {
  background: #fff8e1;
  border-left-color: #f39c12;
  color: #7d5a00;
}

/* 送信完了サンクス */
.contact-form__thanks {
  text-align: center;
  padding: 40px 20px;
}

.contact-form__thanks-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 2rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: 20px;
}

.contact-form__thanks-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.contact-form__thanks-body {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* honeypot 非表示 */
.contact-form__hp {
  position: absolute;
  left: -9999px;
  top: -9999px;
  overflow: hidden;
  height: 0;
}

/* ---- レスポンシブ ---- */
@media (max-width: 860px) {
  .contact-section__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-section__info {
    text-align: center;
  }

  .contact-section__meta {
    align-items: center;
  }
}

/* ============================================================
   16. フッター
   ============================================================ */
.site-footer {
  background: var(--color-primary-d);
  color: rgba(255,255,255,0.7);
  padding-block: 48px 24px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.site-footer__brand span { color: var(--color-accent); }

.site-footer__desc {
  font-size: 0.85rem;
  line-height: 1.8;
  max-width: 360px;
}

.site-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__nav a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.site-footer__nav a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer__copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

/* ============================================================
   17. アニメーション
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: none;
}

.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================
   18. WordPress デフォルトクラス
   ============================================================ */
.aligncenter { display: block; margin-inline: auto; }
.alignright  { float: right; margin-left: 16px; }
.alignleft   { float: left; margin-right: 16px; }
.wp-caption  { max-width: 100%; }

/* ============================================================
   19. 動画セクション（自動再生・シネマティック帯）
   ============================================================ */

/* --- セクション外枠：padding なし・完全全幅 --- */
.video-section {
  position: relative;
  overflow: hidden;
  background: #000;
  /* 高さを画面の 55vh に固定（縦が長すぎず短すぎず） */
  height: clamp(240px, 55vw, 600px);
}

/* --- 動画本体：object-fit:cover でトリミング --- */
.video-section video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* ポインター無効（クリック・操作を受け付けない） */
  pointer-events: none;
}

/* --- 薄いオーバーレイ（ヒーローとの境界を自然に） --- */
.video-section::after {
  content: '';
  position: absolute;
  inset: 0;
  /* 上下に薄いグラデーションをかけて前後セクションと馴染ませる */
  background:
    linear-gradient(to bottom,
      rgba(7,30,61,0.25) 0%,
      transparent        20%,
      transparent        80%,
      rgba(7,30,61,0.35) 100%
    );
  pointer-events: none;
}

/* --- プレースホルダー（動画未設定時） --- */
.video-section__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

.video-section__placeholder-icon {
  font-size: 3rem;
  opacity: 0.3;
}

/* ============================================================
   20. レスポンシブ
   ============================================================ */
@media (max-width: 900px) {
  .site-nav,
  .site-header__cta { display: none; }
  .hamburger { display: flex; }

  .trainer__inner {
    grid-template-columns: 1fr;
  }

  .trainer__photo-wrap {
    max-width: 240px;
    margin-inline: auto;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    text-align: center;
  }

  .curriculum__timeline::before { left: 28px; }

  .curriculum__step {
    width: 56px;
    height: 56px;
  }

  .overview__table th { width: 35%; }

  .cta-section__actions {
    flex-direction: column;
    align-items: center;
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}