/* ===========================
   KaKaNai 共通スタイルシート
   v1.0 — Phase 1 Static Prototype
=========================== */

/* ===========================
   CSS変数
=========================== */
:root {
  --color-main: #FF6B6B;
  --color-sub: #4ECDC4;
  --color-accent: #FFE66D;
  --color-text: #2d2d2d;
  --color-light-gray: #F8F9FA;
  --color-border: #e0e0e0;
  --color-white: #FFFFFF;
  --header-height: 124px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.14);
  --radius: 12px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  padding-top: var(--header-height);
}

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

a:hover {
  opacity: 0.75;
}

ul, ol {
  list-style: none;
}

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

/* ===========================
   レイアウト共通
=========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   プレースホルダー（画像未設定時）
=========================== */
.placeholder {
  background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-size: 14px;
  border-radius: 8px;
}

/* ===========================
   ボタン共通
=========================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-main);
  color: var(--color-white);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  background-color: #e85555;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,107,107,0.4);
  opacity: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-sub);
  color: var(--color-white);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-secondary:hover {
  background-color: #3bb8b0;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(78,205,196,0.4);
  opacity: 1;
}

/* ===========================
   ヘッダー
=========================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* サブナビ */
.header-subnav {
  background-color: #333333;
  padding: 8px 0;
}

.header-subnav .container {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
}

.header-subnav a {
  font-size: 12px;
  color: #cccccc;
}

/* メインナビ */
.header-main {
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: inline-block;
  line-height: 1;
}

.logo img {
  height: 60px;
  width: auto;
  display: block;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-mypage {
  padding: 9px 20px;
  background-color: var(--color-sub);
  color: var(--color-white);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  transition: background-color var(--transition);
}

.btn-mypage:hover {
  background-color: #3bb8b0;
  opacity: 1;
}

/* 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: 6px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
  display: none;
  flex-direction: column;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 12px 24px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 12px 0;
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 12px 0;
}

.mobile-menu-sub a {
  font-size: 12px;
  color: #888;
  border-bottom: none;
  padding: 4px 8px;
}

/* ===========================
   ヒーローセクション
=========================== */
#hero {
  background: linear-gradient(135deg, #fff9f9 0%, #f0fffe 50%, #fffdf0 100%);
  padding: 56px 0 64px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--color-text);
}

.hero-title em {
  color: var(--color-main);
  font-style: normal;
}

.hero-description {
  font-size: 15px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 28px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-cta .btn-primary,
.hero-cta .btn-secondary {
  width: 100%;
  justify-content: center;
  box-sizing: border-box;
}

.hero-image {
  position: relative;
}

.hero-image .placeholder {
  height: 320px;
}

.hero-image-badge {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 80px;
  height: 80px;
  background-color: var(--color-accent);
  color: var(--color-text);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  box-shadow: var(--shadow);
}

/* ===========================
   セクション共通
=========================== */
.section {
  padding: 64px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-title {
  font-size: 26px;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background-color: var(--color-main);
  border-radius: 2px;
  margin: 10px auto 0;
}

.section-subtitle {
  font-size: 15px;
  color: #666;
  margin-top: 12px;
}

/* ===========================
   CTAセクション（メイン）
=========================== */
#cta-main {
  background: linear-gradient(135deg, var(--color-main) 0%, #ff8e53 100%);
  padding: 64px 0;
  text-align: center;
  color: var(--color-white);
}

#cta-main .section-title {
  color: var(--color-white);
  font-size: 28px;
}

#cta-main .section-title::after {
  background-color: var(--color-accent);
}

#cta-main .section-subtitle {
  color: rgba(255,255,255,0.85);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.btn-cta-resume {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-white);
  color: var(--color-main);
  font-weight: 900;
  font-size: 17px;
  padding: 20px 36px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-cta-resume:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2);
  opacity: 1;
}

.btn-cta-career {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-sub);
  color: var(--color-white);
  font-weight: 900;
  font-size: 17px;
  padding: 20px 36px;
  border-radius: 50px;
  border: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.btn-cta-career:hover {
  background-color: #3bb8b0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  opacity: 1;
}

.cta-buttons .btn-cta-resume,
.cta-buttons .btn-cta-career {
  flex: 1;
  white-space: nowrap;
  justify-content: center;
}

/* ===========================
   履歴書タイプグリッド
=========================== */
#resume-type {
  background-color: var(--color-white);
}

.resume-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.resume-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.resume-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.resume-card-img {
  height: 150px;
  background: linear-gradient(135deg, #fff0f0, #ffe0e0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-main);
  font-size: 48px;
}

.resume-card-body {
  padding: 16px;
}

.resume-card-body h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.resume-card-body p {
  font-size: 12px;
  color: #777;
  line-height: 1.5;
}

.resume-card-tag {
  display: inline-block;
  background-color: #fff0f0;
  color: var(--color-main);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 8px;
}

/* テンプレートアイテム（スライダー・一覧内） */
.template-item {
  flex: 0 0 auto;
  width: 100%;
  text-align: center;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}

.template-item:hover,
.template-item.selected {
  border-color: var(--color-main);
}

.template-item .placeholder {
  height: 120px;
  margin-bottom: 8px;
}

.template-item span {
  font-size: 13px;
  color: #666;
}

/* ===========================
   職務経歴書タイプグリッド
=========================== */
#career-type {
  background-color: var(--color-light-gray);
}

.career-categories {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.career-category {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition);
}

.category-header:hover {
  background-color: var(--color-light-gray);
}

.category-header.open {
  background-color: #e8f8f7;
  border-bottom: 1px solid var(--color-border);
}

.category-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.category-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  flex: 1;
}

.category-count {
  font-size: 13px;
  color: #888;
  margin-right: 8px;
}

.category-arrow {
  font-size: 12px;
  color: #aaa;
  transition: transform var(--transition);
}

.category-header.open .category-arrow {
  transform: rotate(180deg);
}

.career-grid {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 20px;
}

.career-grid.open {
  display: grid;
}

.career-card {
  display: block;
  padding: 12px 14px;
  background-color: var(--color-light-gray);
  border-radius: 8px;
  font-size: 13px;
  color: var(--color-text);
  font-weight: 500;
  transition: background-color var(--transition), color var(--transition);
  border: 1px solid transparent;
}

.career-card:hover {
  background-color: #e8f8f7;
  color: var(--color-sub);
  border-color: var(--color-sub);
  opacity: 1;
}

/* ===========================
   会員登録セクション
=========================== */
#register {
  background: linear-gradient(135deg, #f0fffe 0%, #f5f0ff 100%);
  padding: 80px 0;
  text-align: center;
}

.register-benefits {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 36px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.benefit-icon {
  width: 32px;
  height: 32px;
  background-color: var(--color-sub);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.btn-register {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--color-main) 0%, #ff8e53 100%);
  color: var(--color-white);
  font-weight: 900;
  font-size: 18px;
  padding: 20px 48px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(255,107,107,0.35);
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  cursor: pointer;
}

.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,107,107,0.45);
  opacity: 1;
}

.register-note {
  margin-top: 16px;
  font-size: 13px;
  color: #888;
}

/* ===========================
   その他コンテンツセクション
=========================== */
#other-contents {
  background-color: var(--color-white);
}

.other-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.other-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.other-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.other-card-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.other-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.other-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ===========================
   お知らせセクション
=========================== */
#news {
  padding: 64px 0;
  background-color: var(--color-light-gray);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: var(--color-white);
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
}

.news-date {
  font-size: 13px;
  color: #888;
  white-space: nowrap;
  padding-top: 2px;
  min-width: 90px;
}

.news-badge {
  background-color: var(--color-main);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  align-self: flex-start;
  margin-top: 2px;
}

.news-text {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.6;
  flex: 1;
}

.news-text a {
  color: var(--color-text);
  transition: color var(--transition);
}

.news-text a:hover {
  color: var(--color-main);
  opacity: 1;
}

/* ===========================
   フッター
=========================== */
#footer {
  background-color: #2d2d2d;
  color: #ccc;
  padding: 48px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand .logo img {
  height: 40px;
  width: auto;
}

.footer-brand p {
  font-size: 13px;
  color: #999;
  line-height: 1.8;
}

.footer-nav h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #444;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  font-size: 13px;
  color: #999;
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 12px;
  color: #888;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer-copy {
  font-size: 12px;
  color: #666;
}

/* ===========================
   パンくずリスト
=========================== */
.breadcrumb {
  padding: 12px 0;
  background-color: var(--color-light-gray);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  font-size: 13px;
  color: #888;
}

.breadcrumb li + li::before {
  content: '›';
  margin-right: 4px;
  color: #bbb;
}

.breadcrumb a {
  color: var(--color-sub);
}

.breadcrumb a:hover {
  text-decoration: underline;
  opacity: 1;
}

/* ===========================
   ページヘッダー（内部ページ共通）
=========================== */
.page-header {
  background: linear-gradient(135deg, #fff5f5 0%, #f0fffe 100%);
  padding: 48px 0 40px;
  text-align: center;
}

.page-header h1 {
  font-size: 30px;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 15px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================
   スクロールアニメーション
=========================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   アクセシビリティ
=========================== */
:focus-visible {
  outline: 3px solid var(--color-sub);
  outline-offset: 2px;
  border-radius: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===========================
   セクション alt（背景グレー）
=========================== */
.section-alt {
  background-color: var(--color-light-gray);
}

/* ===========================
   ヒーロータイトル highlight
=========================== */
.hero-title .highlight {
  color: var(--color-main);
}

/* ===========================
   履歴書カード（テンプレートリスト型）
=========================== */
.resume-card {
  display: flex;
  flex-direction: column;
}

.resume-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
}

.template-list {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
}

.template-item {
  font-size: 12px;
  color: #666;
  padding: 5px 8px;
  border-radius: 5px;
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: 5px;
  line-height: 1.5;
}

.template-item.main {
  background-color: #fff5f5;
  border-color: #ffcece;
  color: var(--color-text);
}

.template-list .template-item:hover {
  border-color: transparent;
}

.template-list .template-item.main:hover {
  border-color: #ffcece;
}

.template-item-badge {
  display: none;
}

.btn-full {
  display: block;
  text-align: center;
  margin: 0 12px 12px;
}

/* ===========================
   職種カード（記事型）
=========================== */
article.career-card,
a.career-card {
  display: block;
  padding: 14px;
  background-color: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
  text-decoration: none;
  color: inherit;
}

article.career-card:hover {
  box-shadow: var(--shadow);
}

.career-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.category-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  flex: 1;
}

.btn-start {
  display: inline-block;
  font-size: 12px;
  color: var(--color-main);
  font-weight: 700;
  border: 1px solid var(--color-main);
  padding: 5px 10px;
  border-radius: 50px;
  transition: background-color var(--transition), color var(--transition);
}

.btn-start:hover {
  background-color: var(--color-main);
  color: var(--color-white);
  opacity: 1;
}

/* ===========================
   会員登録（内部ラッパー）
=========================== */
.register-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.register-icon {
  font-size: 52px;
  margin-bottom: 16px;
}

.register-title {
  font-size: 24px;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 12px;
}

.register-text {
  font-size: 15px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 28px;
}

/* ===========================
   ボタン追加バリアント
=========================== */
.btn-lg {
  font-size: 17px;
  padding: 16px 32px;
}

.btn-outline {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 50px;
  border: 2px solid var(--color-text);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 700;
  transition: background-color var(--transition), color var(--transition);
}

.btn-outline:hover {
  background-color: var(--color-text);
  color: var(--color-white);
  opacity: 1;
}

/* ===========================
   レスポンシブ（タブレット: 768px以下）
=========================== */
@media (max-width: 768px) {
  :root {
    --header-height: 110px;
  }

  .hamburger {
    display: flex;
  }

  .btn-mypage {
    padding: 7px 14px;
    font-size: 13px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .hero-image .placeholder {
    height: 260px;
  }

  .hero-image-badge {
    top: -8px;
    right: -8px;
    width: 64px;
    height: 64px;
    font-size: 12px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 22px;
  }

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

  .btn-cta-resume,
  .btn-cta-career {
    padding: 18px 28px;
    font-size: 16px;
    width: 100%;
    max-width: 400px;
    justify-content: center;
  }

  .resume-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .career-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
    gap: 12px;
  }

  .other-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ===========================
   レスポンシブ（スマホ: 480px以下）
=========================== */
@media (max-width: 480px) {
  :root {
    --header-height: 104px;
  }

  body {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  #hero {
    padding: 40px 0;
  }

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

  .hero-badge {
    font-size: 12px;
  }

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

  .hero-image .placeholder {
    height: 220px;
  }

  .section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 20px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  #cta-main {
    padding: 48px 0;
  }

  .btn-cta-resume,
  .btn-cta-career {
    font-size: 15px;
    padding: 16px 20px;
  }

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

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

  .category-header {
    padding: 14px 16px;
  }

  .btn-register {
    padding: 18px 32px;
    font-size: 17px;
  }

  .news-item {
    flex-direction: column;
    gap: 8px;
  }

  .news-date {
    min-width: auto;
  }

  .footer-links {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
}