/* ============================================
   InternGate - 学生インターンシップ求人プラットフォーム
   カラー: メイン#00B894 サブ#DFE6E9 ベース#FFF テキスト#2D3436 アクセント#FF7675
   フォント: M PLUS Rounded 1c 700 / Poppins 600 / Noto Sans JP 400,500
   ============================================ */

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

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

body {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  color: #2d3436;
  line-height: 1.8;
  background: #fff;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
}

/* ------------------------------------------
   共通ユーティリティ
   ------------------------------------------ */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* セクションタイトル（英字アクセント + 日本語見出し） */
.section-title {
  text-align: center;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 56px;
  color: #2d3436;
}

.title-accent {
  display: block;
  font-family: "Poppins", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #00b894;
  margin-bottom: 8px;
}

/* セクション説明テキスト */
.section-desc {
  text-align: center;
  max-width: 620px;
  margin: -32px auto 48px;
  font-size: 15px;
  color: #636e72;
  line-height: 1.9;
}

/* ------------------------------------------
   ボタン
   ------------------------------------------ */

/* CTAボタン（コーラルピンク） */
.btn-primary {
  display: inline-block;
  background: #ff7675;
  color: #fff;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 17px;
  font-weight: 700;
  padding: 18px 48px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(255, 118, 117, 0.4);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(255, 118, 117, 0.5);
}

/* 白ボタン（CTAセクション用） */
.btn-white {
  display: inline-block;
  background: #fff;
  color: #00b894;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 17px;
  font-weight: 700;
  padding: 18px 48px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.btn-white:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.18);
}

/* ------------------------------------------
   ポートフォリオ注記
   ------------------------------------------ */
.portfolio-bar {
  background: #ff7675;
  color: #fff;
  text-align: center;
  font-size: 12px;
  padding: 7px 16px;
  letter-spacing: 0.02em;
}

.portfolio-notice {
  font-size: 11px;
  opacity: 0.6;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  display: inline-block;
  margin-top: 32px;
}

.portfolio-notice-footer {
  text-align: center;
  font-size: 12px;
  color: #ff7675;
  padding: 12px 16px;
  border: 1px solid rgba(255, 118, 117, 0.2);
  border-radius: 6px;
  background: rgba(255, 118, 117, 0.05);
  margin-bottom: 12px;
}

/* ------------------------------------------
   ヘッダー（fixed + backdrop-filter blur）
   ------------------------------------------ */
.header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 72px;
}

.logo {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 24px;
  color: #00b894;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.logo a {
  color: #00b894;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  margin-right: 24px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 500;
  color: #2d3436;
  transition: color 0.3s;
  white-space: nowrap;
}

.header-nav a:hover {
  color: #00b894;
}

/* ヘッダーCTAボタン */
.header-btn {
  display: inline-block;
  background: #ff7675;
  color: #fff !important;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 50px;
  white-space: nowrap;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  flex-shrink: 0;
}

.header-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 118, 117, 0.35);
}

/* ------------------------------------------
   ハンバーガーメニュー
   ------------------------------------------ */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
  margin-right: 16px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #2d3436;
  transition:
    transform 0.3s,
    opacity 0.3s;
}

/* .hamburger.active — JSトグル */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ------------------------------------------
   ヒーローセクション（全幅背景画像+グラデーションオーバーレイ）
   ------------------------------------------ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: #000000;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 120px 24px 80px;
  max-width: 780px;
}

.hero-title {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.hero-sub {
  font-size: 17px;
  line-height: 1.9;
  opacity: 0.92;
  margin-bottom: 40px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
}

.hero .btn-primary {
  font-size: 18px;
  padding: 20px 52px;
}

/* ------------------------------------------
   下層ページヒーロー（小）— .page-hero(40vh)
   ------------------------------------------ */
.page-hero,
.hero-small {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  color: #fff;
  background: linear-gradient(
    170deg,
    rgba(0, 184, 148, 0.85) 0%,
    rgba(45, 52, 54, 0.7) 100%
  );
}

.page-hero .hero-bg,
.hero-small .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-hero .hero-overlay,
.hero-small .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    170deg,
    rgba(0, 184, 148, 0.6) 0%,
    rgba(45, 52, 54, 0.5) 100%
  );
}

.page-hero .hero-content,
.hero-small .hero-content {
  padding: 120px 24px 56px;
}

.page-hero .hero-title,
.hero-small .hero-title {
  font-size: 34px;
  margin-bottom: 16px;
}

/* ------------------------------------------
   パンくずリスト
   ------------------------------------------ */
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  opacity: 0.85;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.3s;
}

.breadcrumb a:hover {
  opacity: 0.7;
}

.breadcrumb span {
  opacity: 0.6;
}

/* パンくず（ページ上部バー版） */
.breadcrumb-bar {
  padding: 14px 0;
  font-size: 13px;
  color: #636e72;
  background: #fff;
  border-bottom: 1px solid #dfe6e9;
}

.breadcrumb-bar a {
  color: #00b894;
  transition: opacity 0.3s;
}

.breadcrumb-bar a:hover {
  opacity: 0.7;
}

.breadcrumb-bar span {
  margin: 0 8px;
  color: #b2bec3;
}

/* ------------------------------------------
   AI検索体験セクション
   ------------------------------------------ */
.search-section {
  padding: 100px 0;
  background: #fff;
}

.search-section .section-desc {
  text-align: center;
  max-width: 600px;
  margin: -32px auto 40px;
  font-size: 15px;
  color: #636e72;
}

/* 検索フィルター（プルダウン） */
.search-filters {
  max-width: 680px;
  margin: 0 auto 16px;
  display: flex;
  gap: 12px;
}

.search-select {
  flex: 1;
  padding: 14px 20px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  color: #2d3436;
  background: #fff;
  border: 2px solid #dfe6e9;
  border-radius: 12px;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300B894' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}

.search-select:focus {
  border-color: #00b894;
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
}

.search-select:hover {
  border-color: #00b894;
}

/* 検索窓UIモック */
.search-box {
  max-width: 680px;
  margin: 0 auto 24px;
  display: flex;
  gap: 0;
  border-radius: 50px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 2px solid #00b894;
}

.search-box input {
  flex: 1;
  border: none;
  padding: 18px 28px;
  font-size: 16px;
  font-family: "Noto Sans JP", sans-serif;
  outline: none;
  background: #fff;
  color: #2d3436;
}

.search-box input::placeholder {
  color: #b2bec3;
}

.search-box button {
  background: #00b894;
  color: #fff;
  border: none;
  padding: 18px 32px;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.3s;
}

.search-box button:hover {
  background: #00a884;
}

/* 検索タグ */
.search-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 680px;
  margin: 0 auto;
}

.search-tags span {
  display: inline-block;
  background: #dfe6e9;
  color: #2d3436;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 50px;
  cursor: pointer;
  transition:
    background 0.3s,
    color 0.3s;
}

.search-tags span:hover {
  background: #00b894;
  color: #fff;
}

/* ------------------------------------------
   特徴紹介セクション（4カラム）
   ------------------------------------------ */
.features-section {
  padding: 100px 0;
  background: #dfe6e9;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* カード共通スタイル（ホバーtranslateY） */
.feature-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.feature-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.feature-card-body {
  padding: 28px 22px;
}

.feature-card-body h3 {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #2d3436;
}

.feature-card-body p {
  font-size: 14px;
  color: #636e72;
  line-height: 1.8;
}

/* ------------------------------------------
   数字で見る実績セクション（#2D3436背景・白文字・大きな数字）
   ------------------------------------------ */
.stats-section {
  padding: 88px 0;
  background: #2d3436;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item .stat-number {
  font-family: "Poppins", sans-serif;
  font-size: 56px;
  font-weight: 600;
  color: #00b894;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: #dfe6e9;
  opacity: 0.8;
  margin-top: 4px;
}

/* ------------------------------------------
   インターン体験談セクション
   ------------------------------------------ */
.voice-section {
  padding: 100px 0;
  background: #fff;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.voice-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.voice-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.voice-card-body {
  padding: 28px 24px;
}

.voice-card-body .voice-label {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #00b894;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid #dfe6e9;
}

.voice-card-body p {
  font-size: 14px;
  color: #636e72;
  line-height: 1.9;
}

/* ------------------------------------------
   ブログ（新着記事）セクション
   ------------------------------------------ */
.blog-section {
  padding: 100px 0;
  background: #dfe6e9;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.blog-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.blog-card-body {
  padding: 24px 22px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-card-meta .blog-date {
  font-family: "Poppins", sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #b2bec3;
}

.blog-card-meta .blog-category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #00b894;
  background: rgba(0, 184, 148, 0.1);
  padding: 3px 10px;
  border-radius: 50px;
}

.blog-card-body h3 {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: #2d3436;
}

/* ------------------------------------------
   よくある質問セクション
   ------------------------------------------ */
.faq-section {
  padding: 100px 0;
  background: #fff;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #dfe6e9;
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 0;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: #2d3436;
  cursor: pointer;
  list-style: none;
  transition: color 0.3s;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: "Poppins", sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: #00b894;
  transition: transform 0.3s;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  color: #00b894;
}

.faq-q {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #00b894;
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: 13px;
  font-weight: 600;
  border-radius: 50%;
  flex-shrink: 0;
}

.faq-answer {
  padding: 0 0 24px 40px;
  font-size: 15px;
  color: #636e72;
  line-height: 1.9;
}

/* ------------------------------------------
   CTAセクション（エメラルドグリーングラデーション）
   ------------------------------------------ */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #00b894 0%, #00a884 50%, #009975 100%);
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.5;
}

.cta-section p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 40px;
}

/* ------------------------------------------
   フッター
   ------------------------------------------ */
.footer {
  background: #2d3436;
  color: #dfe6e9;
  padding: 64px 0 32px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  flex: 1;
  min-width: 200px;
}

.footer-brand .logo {
  color: #fff;
  font-size: 22px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 13px;
  color: #b2bec3;
  line-height: 1.8;
  max-width: 300px;
}

.footer-nav {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-nav-group h4 {
  font-family: "Poppins", sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 16px;
}

.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-group a {
  font-size: 13px;
  color: #b2bec3;
  transition: color 0.3s;
}

.footer-nav-group a:hover {
  color: #00b894;
}

.footer-bottom {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
}

.copyright {
  font-size: 12px;
  color: #636e72;
  margin-top: 12px;
}

/* ------------------------------------------
   下層ページ: aboutページ
   ------------------------------------------ */

/* ミッション */
.mission-section {
  padding: 100px 0;
  background: #fff;
}

.mission-text {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 2;
  color: #2d3436;
}

/* サービスの強み（3カラム） */
.strength-section {
  padding: 100px 0;
  background: #dfe6e9;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.strength-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.strength-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.strength-card-body {
  padding: 32px 24px;
}

.strength-card-body h3 {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #2d3436;
}

.strength-card-body p {
  font-size: 14px;
  color: #636e72;
  line-height: 1.8;
}

/* 沿革タイムライン */
.timeline-section {
  padding: 100px 0;
  background: #fff;
}

.timeline {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #dfe6e9;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #00b894;
  border: 3px solid #dfe6e9;
}

.timeline-item .timeline-year {
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #00b894;
  margin-bottom: 4px;
}

.timeline-item p {
  font-size: 15px;
  color: #636e72;
  line-height: 1.7;
}

/* ------------------------------------------
   下層ページ: お知らせ一覧（.news-list）
   ------------------------------------------ */
.news-section {
  padding: 80px 0;
  background: #fff;
}

.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid #dfe6e9;
  transition: background 0.3s;
  flex-wrap: wrap;
}

.news-item:hover {
  background: rgba(0, 184, 148, 0.03);
}

.news-item .news-date {
  font-family: "Poppins", sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #b2bec3;
  flex-shrink: 0;
  min-width: 100px;
}

.news-item .news-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 50px;
  flex-shrink: 0;
  white-space: nowrap;
}

.news-badge.badge-update {
  background: rgba(0, 184, 148, 0.1);
  color: #00b894;
}

.news-badge.badge-event {
  background: rgba(255, 118, 117, 0.1);
  color: #ff7675;
}

.news-badge.badge-media {
  background: rgba(108, 92, 231, 0.1);
  color: #6c5ce7;
}

.news-badge.badge-info {
  background: rgba(45, 52, 54, 0.06);
  color: #636e72;
}

.news-badge.badge-column {
  background: rgba(253, 203, 110, 0.15);
  color: #e17055;
}

.news-item .news-title {
  font-size: 15px;
  font-weight: 500;
  color: #2d3436;
  flex: 1;
  min-width: 200px;
  line-height: 1.6;
  transition: color 0.3s;
}

.news-item:hover .news-title {
  color: #00b894;
}

/* ------------------------------------------
   下層ページ: お知らせ詳細
   ------------------------------------------ */
.news-detail-section {
  padding: 80px 0;
  background: #fff;
}

.news-detail {
  max-width: 720px;
  margin: 0 auto;
}

.news-detail-header {
  margin-bottom: 40px;
}

.news-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #b2bec3;
}

.news-detail-header h1 {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.5;
  color: #2d3436;
}

.news-detail-body {
  font-size: 15px;
  line-height: 2;
  color: #2d3436;
}

.news-detail-body h2 {
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin: 48px 0 20px;
  color: #2d3436;
  padding-left: 16px;
  border-left: 4px solid #00b894;
}

.news-detail-body p {
  margin-bottom: 24px;
}

.news-detail-body ul {
  margin: 0 0 24px 24px;
  list-style: disc;
}

.news-detail-body ul li {
  margin-bottom: 8px;
}

.back-link {
  display: inline-block;
  margin-top: 48px;
  font-size: 15px;
  font-weight: 500;
  color: #00b894;
  border-bottom: 2px solid #00b894;
  padding-bottom: 2px;
  transition: opacity 0.3s;
}

.back-link:hover {
  opacity: 0.7;
}

/* ------------------------------------------
   下層ページ: お問い合わせフォーム（.contact-form）
   ------------------------------------------ */
.contact-section {
  padding: 80px 0 100px;
  background: #fff;
}

.contact-lead {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 15px;
  color: #636e72;
  line-height: 1.9;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #2d3436;
  margin-bottom: 8px;
}

.form-group label .required {
  display: inline-block;
  background: #ff7675;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 8px;
  vertical-align: middle;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  color: #2d3436;
  background: #fff;
  border: 2px solid #dfe6e9;
  border-radius: 10px;
  outline: none;
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #00b894;
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.form-group textarea {
  min-height: 180px;
  resize: vertical;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23636e72' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #636e72;
  margin-bottom: 32px;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #00b894;
  cursor: pointer;
}

.form-checkbox a {
  color: #00b894;
  border-bottom: 1px solid #00b894;
}

/* 送信ボタン */
.btn-submit {
  display: block;
  width: 100%;
  background: #ff7675;
  color: #fff;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-size: 17px;
  font-weight: 700;
  padding: 18px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(255, 118, 117, 0.4);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(255, 118, 117, 0.5);
}

.contact-note {
  text-align: center;
  font-size: 13px;
  color: #b2bec3;
  margin-top: 24px;
}

/* ------------------------------------------
   レスポンシブ: タブレット（768px以下）
   ------------------------------------------ */
@media (max-width: 768px) {
  /* ハンバーガー表示 */
  .hamburger {
    display: flex;
  }

  /* ナビ: opacity+visibility+transform制御 */
  .header-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition:
      opacity 0.3s ease,
      visibility 0.3s ease,
      transform 0.3s ease;
    pointer-events: none;
    margin-right: 0;
  }

  /* .header-nav.open — JSトグル */
  .header-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .header-nav a {
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  }

  .header-btn {
    display: none;
  }

  /* ヒーロー */
  .hero {
    min-height: 100svh;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .hero .btn-primary {
    font-size: 16px;
    padding: 16px 40px;
  }

  /* 下層ヒーロー */
  .page-hero,
  .hero-small {
    min-height: 280px;
  }

  .page-hero .hero-title,
  .hero-small .hero-title {
    font-size: 26px;
  }

  /* セクションタイトル */
  .section-title {
    font-size: 24px;
    margin-bottom: 40px;
  }

  .section-desc {
    margin-bottom: 36px;
    font-size: 14px;
  }

  /* AI検索 */
  .search-section {
    padding: 72px 0;
  }

  .search-filters {
    flex-direction: column;
    gap: 8px;
  }

  .search-box {
    flex-direction: column;
    border-radius: 16px;
  }

  .search-box input {
    border-bottom: 1px solid #dfe6e9;
    border-radius: 16px 16px 0 0;
  }

  .search-box button {
    border-radius: 0 0 16px 16px;
    padding: 14px;
  }

  /* 特徴（4→2カラム） */
  .features-section {
    padding: 72px 0;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 数字（4→2カラム） */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }

  .stat-item .stat-number {
    font-size: 42px;
  }

  /* 体験談（3→1カラム） */
  .voice-section {
    padding: 72px 0;
  }

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

  /* ブログ（3→2カラム） */
  .blog-section {
    padding: 72px 0;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* FAQ */
  .faq-section {
    padding: 72px 0;
  }

  /* CTA */
  .cta-section {
    padding: 72px 0;
  }

  .cta-section h2 {
    font-size: 26px;
  }

  /* ボタン共通 */
  .btn-primary,
  .btn-white {
    font-size: 15px;
    padding: 16px 36px;
  }

  /* フッター */
  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer-nav {
    flex-direction: column;
    gap: 24px;
  }

  /* about強み */
  .strength-section {
    padding: 72px 0;
  }

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

  /* ミッション */
  .mission-text {
    font-size: 18px;
  }

  /* ニュース */
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .news-detail-header h1 {
    font-size: 22px;
  }

  /* タイムライン */
  .timeline-section {
    padding: 72px 0;
  }
}

/* ------------------------------------------
   レスポンシブ: スマートフォン（480px以下）
   ------------------------------------------ */
@media (max-width: 480px) {
  /* ヒーロー */
  .hero-title {
    font-size: 26px;
  }

  .hero-sub {
    font-size: 14px;
  }

  .hero-content {
    padding: 100px 16px 60px;
  }

  /* セクション共通 */
  .section-title {
    font-size: 22px;
    margin-bottom: 28px;
  }

  .container {
    padding: 0 16px;
  }

  /* 特徴（1カラム） */
  .features-grid {
    grid-template-columns: 1fr;
  }

  /* セクションpadding縮小 */
  .search-section,
  .features-section,
  .voice-section,
  .blog-section,
  .faq-section,
  .mission-section,
  .strength-section,
  .timeline-section {
    padding: 56px 0;
  }

  .stats-section {
    padding: 48px 0;
  }

  /* 数字（2→1カラム） */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 16px;
  }

  .stat-item .stat-number {
    font-size: 38px;
  }

  /* ブログ（1カラム） */
  .blog-grid {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-section {
    padding: 56px 0;
  }

  .cta-section h2 {
    font-size: 22px;
  }

  /* ボタン */
  .btn-primary,
  .btn-white {
    padding: 14px 32px;
    font-size: 15px;
  }

  /* 下層ヒーロー */
  .page-hero,
  .hero-small {
    min-height: 30vh;
  }

  .page-hero .hero-title,
  .hero-small .hero-title {
    font-size: 22px;
  }

  .page-hero .hero-content,
  .hero-small .hero-content {
    padding: 100px 16px 40px;
  }

  /* お知らせ詳細 */
  .news-detail-header h1 {
    font-size: 20px;
  }

  /* FAQ */
  .faq-item summary {
    font-size: 14px;
    padding: 18px 0;
  }

  .faq-answer {
    padding-left: 0;
    font-size: 14px;
  }

  /* タイムライン */
  .timeline {
    padding-left: 32px;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item::before {
    left: -26px;
    width: 12px;
    height: 12px;
  }

  /* フォーム */
  .contact-form {
    padding: 0 8px;
  }

  .btn-submit {
    font-size: 15px;
    padding: 16px;
  }
}