@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Noto+Serif+JP:wght@400;700;900&display=swap');

/* ==========================================================================
   デザインシステム & 変数定義 (白基調・ライトモード)
   ========================================================================== */
:root {
  /* メインカラー定義 */
  --color-base: #ffffff;          /* ベース白（60%） */
  --color-main: #009F00;          /* メイン緑（30%） */
  --color-text-dark: #000000;     /* アクセント黒（5%） */
  --color-accent-red: #E70113;    /* アクセント赤（5%） */
  --color-bg-gray: #f0f0f0;       /* セクション区切り・ダッシュボードベース */
  
  /* 補助カラー */
  --color-light-gray: #fafafa;    /* カードやモジュールの背景 */
  --color-border-gray: #e0e0e0;   /* 明るいボーダー */
  --color-text-muted: #666666;    /* 薄いテキスト */
  
  /* フォント定義 */
  --font-gothic: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  
  /* レイアウト定義 */
  --max-width: 1200px;
  --section-padding: 80px;
  --side-padding: 24px;
  
  /* トランジション */
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --glow-effect: 0 0 15px rgba(0, 159, 0, 0.4);
  --glow-effect-red: 0 0 15px rgba(231, 1, 19, 0.4);
}

/* ==========================================================================
   リセット & 共通スタイル
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-base);
  color: var(--color-text-dark);
  font-family: var(--font-gothic);
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

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

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

/* 共通コンテナ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--side-padding);
  padding-right: var(--side-padding);
}

/* ==========================================================================
   ヘッダー (ナビゲーション)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-gray);
  transition: var(--transition-smooth);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 95px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.header__logo-img {
  height: 72px;
  width: auto;
  object-fit: contain;
}

.logo-zero {
  color: var(--color-main);
}

.logo-start {
  color: var(--color-text-dark);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__menu {
  display: flex;
  list-style: none;
  gap: 24px;
}

.header__menu-link {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  color: var(--color-text-dark);
}

.header__menu-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-main);
  transition: var(--transition-smooth);
}

.header__menu-link:hover {
  color: var(--color-main);
}

.header__menu-link:hover::after {
  width: 100%;
}

/* ログインボタン群 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 0; /* フラットデザイン：角を丸めない */
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn--student {
  background-color: transparent;
  color: var(--color-text-dark);
  border-color: var(--color-text-dark);
}

.btn--student:hover {
  background-color: var(--color-text-dark);
  color: var(--color-base);
}

.btn--company {
  background-color: var(--color-main);
  color: #ffffff; /* 白地で見えやすくするためにボタン文字は白に */
}

.btn--company:hover {
  background-color: transparent;
  color: var(--color-main);
  border-color: var(--color-main);
  box-shadow: var(--glow-effect);
}

.btn--admin {
  background-color: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border-gray);
  padding: 8px 14px;
  font-size: 0.75rem;
}

.btn--admin:hover {
  color: var(--color-accent-red);
  border-color: var(--color-accent-red);
  box-shadow: var(--glow-effect-red);
}

/* モバイルメニュー用ハンバーガー（基本非表示） */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--color-text-dark);
  transition: var(--transition-smooth);
}

/* ==========================================================================
   ファーストビュー (Hero Section)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 95px;
  /* 白背景に合わせ、明度高めのグラデーションを重ねる */
  background-image: linear-gradient(rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.8)), url('../img/bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
}

.hero__content {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  width: 100%;
  padding: 0 var(--side-padding);
}

/* フェードイン ➔ 浮き上がるアニメーション */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__sub-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 4.8vw, 6rem); /* 2倍サイズ */
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-top: 2.5rem; /* ZERO START との間隔 */
  margin-bottom: 0.8rem; /* 下のコピーとの間隔 */
  color: var(--color-text-dark);
  line-height: 1.2;
  opacity: 0;
  animation: fadeInUp 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
  animation-delay: 0.4s;
}

.hero__main-text {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 0;
  color: var(--color-text-dark);
  word-break: keep-all;
  line-height: 1.2;
  opacity: 0;
  animation: fadeInUp 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
  animation-delay: 0.6s;
}

.hero__main-text .highlight {
  color: var(--color-accent-red);
  font-weight: 900;
}

.hero__concept {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.8vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
  color: var(--color-text-dark);
  line-height: 1.2;
  opacity: 0;
  animation: fadeInUp 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.hero__title {
  font-size: clamp(2.6rem, 9.5vw, 12rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.0;
  margin-bottom: 0;
  font-style: italic;
  opacity: 0;
  animation: fadeInUp 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
  animation-delay: 0.2s;
}

.hero__title-zero {
  color: var(--color-main);
  text-shadow: 0 0 10px rgba(0, 159, 0, 0.2);
}

.hero__title-start {
  color: var(--color-text-dark);
}

.hero__timer {
  font-family: var(--font-gothic);
  font-size: clamp(1.4rem, 6.6vw, 7.5rem);
  font-weight: 700;
  color: var(--color-main);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums; /* 数字の幅を均等にする */
  /* 白背景上でもしっかりと視認できるよう、影を少し濃い緑や黒のブレンドにする */
  text-shadow: 0 0 8px rgba(0, 159, 0, 0.4), 0 0 2px rgba(0, 0, 0, 0.15);
  display: inline-block;
  white-space: pre-line; /* 改行を有効化 */
  line-height: 1.15;      /* 行間を少し詰める */
  transition: opacity 0.3s ease;
}

/* 砕け散るCanvasの設定 */
.shatter-canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 15;
  pointer-events: none;
  display: none;
}

/* リプレイボタンのスタイル */
.hero__replay-container {
  margin-top: 2.5rem;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-replay {
  background-color: transparent;
  color: var(--color-main);
  border: 1px solid var(--color-main);
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 0 5px rgba(0, 159, 0, 0.1);
}

.btn-replay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.btn-replay:hover {
  background-color: var(--color-main);
  color: #ffffff;
  box-shadow: var(--glow-effect);
}

/* ==========================================================================
   コンセプトセクション (ZERO STARTとは)
   ========================================================================== */
.concept {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  background-color: var(--color-base);
  border-top: 1px solid var(--color-border-gray);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--color-main);
}

.section-sub {
  font-size: 0.85rem;
  color: var(--color-main);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 3.5rem;
}

.concept__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.concept__text-area {
  padding-right: 20px;
}

.concept__lead {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 2rem;
  color: var(--color-text-dark);
}

.concept__lead span {
  border-bottom: 2px solid var(--color-main);
  padding-bottom: 4px;
}

.concept__description {
  font-size: 1rem;
  color: #444444;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.concept__visual {
  position: relative;
  background-color: var(--color-light-gray);
  border: 1px solid var(--color-border-gray);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 350px;
}

.concept__visual::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 30px;
  height: 30px;
  border-top: 3px solid var(--color-main);
  border-left: 3px solid var(--color-main);
}

.concept__visual::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 30px;
  height: 30px;
  border-bottom: 3px solid var(--color-main);
  border-right: 3px solid var(--color-main);
}

.concept__stat-box {
  margin-bottom: 24px;
}

.concept__stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.concept__stat-num {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-text-dark);
  line-height: 1;
}

.concept__stat-num span {
  color: var(--color-main);
  font-size: 1.5rem;
  font-weight: 700;
  margin-left: 4px;
}

/* ==========================================================================
   インタビュー記事一覧 (Latest Interviews)
   ========================================================================== */
.interviews {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  background-color: var(--color-light-gray);
  border-top: 1px solid var(--color-border-gray);
  border-bottom: 1px solid var(--color-border-gray);
}

.interviews__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 50px;
}

/* カード型デザイン（ライトテーマ版） */
.card {
  background-color: #ffffff;
  border: 1px solid var(--color-border-gray);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--color-main);
  box-shadow: var(--glow-effect);
}

.card__image-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: #f0f0f0;
  overflow: hidden;
}

.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.card:hover .card__image {
  transform: scale(1.05);
}

.card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-main);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 900;
  padding: 4px 8px;
  letter-spacing: 0.05em;
  z-index: 5;
}

.card__content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.card__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 16px;
  color: var(--color-text-dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 3.4em;
}

.card__author {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 12px;
}

.card__interviewer {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: auto;
  border-top: 1px solid var(--color-border-gray);
  padding-top: 12px;
}

.card__interviewer-name {
  color: var(--color-text-dark);
  font-weight: 500;
  margin-left: 4px;
}

/* もっと見るボタン */
.btn-center {
  text-align: center;
}

.btn--more {
  background-color: transparent;
  color: var(--color-main);
  border-color: var(--color-main);
  padding: 14px 40px;
  font-size: 0.95rem;
  font-weight: 700;
}

.btn--more:hover {
  background-color: var(--color-main);
  color: #ffffff;
  box-shadow: var(--glow-effect);
}

/* ==========================================================================
   フッター (Footer)
   ========================================================================== */
.footer {
  background-color: var(--color-base);
  padding: 60px 0 30px 0;
  border-top: 1px solid var(--color-border-gray);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer__info {
  padding-right: 40px;
}

.footer__logo {
  margin-bottom: 20px;
}

.footer__logo-img {
  height: 50px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.footer__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer__nav-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-main);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer__list {
  list-style: none;
}

.footer__item {
  margin-bottom: 12px;
}

.footer__link {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__link:hover {
  color: var(--color-main);
  padding-left: 4px;
}

.footer__bottom {
  border-top: 1px solid var(--color-border-gray);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   モーダル（ログインフォーム）
   ========================================================================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4); /* 背景オーバーレイを少し明るめに */
  backdrop-filter: blur(5px);
}

.modal__container {
  position: relative;
  background-color: var(--color-base);
  border: 2px solid #009F00; /* #009F00の単色 */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); /* 光彩は消去 */
  width: 100%;
  max-width: 450px;
  padding: 40px;
  z-index: 10;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.is-open .modal__container {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal__close:hover {
  color: var(--color-accent-red);
}

.modal__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  text-align: center;
}

.modal__title--admin {
  color: var(--color-accent-red);
}

.modal__title--student {
  color: var(--color-text-dark);
}

.modal__title--company {
  color: var(--color-main);
}

.modal__sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text-dark);
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--color-border-gray);
  color: var(--color-text-dark);
  padding: 12px 16px;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-main);
  box-shadow: 0 0 10px rgba(0, 159, 0, 0.15);
}

/* 管理者ログイン用のフォーカス */
.modal__container--admin .form-input:focus {
  border-color: var(--color-accent-red);
  box-shadow: 0 0 10px rgba(231, 1, 19, 0.15);
}

.form-btn {
  width: 100%;
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-top: 10px;
}

.form-btn--student {
  background-color: var(--color-text-dark);
  color: var(--color-base);
}

.form-btn--student:hover {
  background-color: var(--color-main);
  color: #ffffff;
  box-shadow: var(--glow-effect);
}

.form-btn--company {
  background-color: var(--color-main);
  color: #ffffff;
}

.form-btn--company:hover {
  box-shadow: var(--glow-effect);
  opacity: 0.9;
}

.form-btn--admin {
  background-color: var(--color-accent-red);
  color: #ffffff;
}

.form-btn--admin:hover {
  box-shadow: var(--glow-effect-red);
  opacity: 0.9;
}

.form-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.form-footer a {
  color: var(--color-main);
}

.form-footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   デモダッシュボード（ログイン成功後のダミー画面）
   ========================================================================== */
.dashboard-view {
  display: none; /* デフォルト非表示、JSで切り替え */
  min-height: 100vh;
  padding-top: 100px;
  padding-bottom: 60px;
  background-color: var(--color-bg-gray);
  color: #333333;
}

.dashboard-view.is-active {
  display: block;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 20px;
}

.dashboard-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-text-dark);
}

.dashboard-title-img {
  height: 35px;
  width: auto;
  object-fit: contain;
}

.dashboard-badge {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  margin-left: 10px;
  vertical-align: middle;
}

.dashboard-badge--student {
  background-color: var(--color-text-dark);
}

.dashboard-badge--company {
  background-color: var(--color-main);
  color: #ffffff;
}

.dashboard-badge--admin {
  background-color: var(--color-accent-red);
}

.btn--logout {
  background-color: #ffffff;
  color: #333333;
  border: 1px solid #cccccc;
}

.btn--logout:hover {
  background-color: #f5f5f5;
  border-color: #999999;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
}

.dashboard-sidebar {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  padding: 24px;
}

.dashboard-menu {
  list-style: none;
}

.dashboard-menu-item {
  margin-bottom: 12px;
}

.dashboard-menu-link {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #555555;
  transition: var(--transition-smooth);
}

.dashboard-menu-link:hover,
.dashboard-menu-link.is-active {
  background-color: #f9f9f9;
  color: var(--color-main);
  border-left: 3px solid var(--color-main);
}

.dashboard-content {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  padding: 40px;
}

.dashboard-section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  border-bottom: 1px solid #eeeeee;
  padding-bottom: 12px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background-color: #fafafa;
  border: 1px solid #eeeeee;
  padding: 20px;
  text-align: center;
}

.stat-card__num {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-text-dark);
  margin-bottom: 6px;
}

.stat-card__label {
  font-size: 0.8rem;
  color: #777777;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #eeeeee;
  font-size: 0.85rem;
}

.data-table th {
  background-color: #f5f5f5;
  font-weight: 700;
  color: #555555;
}

.status-badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 0.7rem;
  font-weight: 700;
}

.status-badge--success {
  background-color: #e8f5e9;
  color: #2e7d32;
}

.status-badge--warning {
  background-color: #fff3e0;
  color: #ef6c00;
}

/* ==========================================================================
   レスポンシブ設計 (ブレイクポイント調整)
   ========================================================================== */

/* 中間サイズ (ノートPCなど: 901px 〜 1200px) */
@media screen and (max-width: 1200px) {
  :root {
    --side-padding: 20px;
  }
}

/* タブレット・スマートフォン境界 (900px 以下) */
@media screen and (max-width: 900px) {
  :root {
    --section-padding: 60px;
  }
  
  .header__menu,
  .header__actions {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  /* スマホ閲覧時：要素を縦並びに */
  .concept__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .concept__text-area {
    padding-right: 0;
  }
  
  .interviews__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer__info {
    padding-right: 0;
  }
  
  /* ダッシュボードの縦並び */
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

/* タブレット横向き等（769px〜900px）での表示崩れ防止用の微調整 */
@media screen and (min-width: 769px) and (max-width: 900px) {
  .interviews__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 極小スマートフォン向け (480px 以下) */
@media screen and (max-width: 480px) {
  .hero__main-text {
    word-break: break-all;
  }
}

/* ==========================================================================
   お問い合わせフォーム & フッターボタン追加スタイル
   ========================================================================== */
.footer__btn {
  display: inline-block;
  border: 1px solid var(--color-main);
  color: var(--color-main);
  padding: 12px 20px;
  font-size: 0.85rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.5;
  border-radius: 0; /* このメディアは四角を使います */
  background-color: transparent;
  transition: var(--transition-smooth);
  width: 100%;
  max-width: 280px;
  margin-top: 10px;
}
.footer__btn:hover {
  background-color: var(--color-main);
  color: #ffffff;
  box-shadow: var(--glow-effect);
}

.contact-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

/* 進捗インジケーター */
.contact-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
  position: relative;
}
.contact-steps::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-border-gray);
  z-index: 1;
}
.contact-step-item {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}
.contact-step-circle {
  width: 32px;
  height: 32px;
  background-color: #ffffff;
  border: 2px solid var(--color-border-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  font-weight: bold;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.contact-step-item.is-active .contact-step-circle {
  border-color: var(--color-main);
  background-color: var(--color-main);
  color: #ffffff;
}
.contact-step-item.is-complete .contact-step-circle {
  border-color: var(--color-main);
  background-color: #ffffff;
  color: var(--color-main);
}
.contact-step-label {
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--color-text-muted);
}
.contact-step-item.is-active .contact-step-label {
  color: var(--color-main);
}

/* タブ切り替え */
.contact-tabs {
  display: flex;
  border-bottom: 2px solid var(--color-border-gray);
  margin-bottom: 40px;
}
.contact-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 15px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  border-bottom: none;
  background-color: #f7f7f7;
  color: var(--color-text-muted);
  transition: all 0.2s;
  border-radius: 0;
}
.contact-tab.is-active {
  background-color: #ffffff;
  color: var(--color-main);
  border-color: var(--color-border-gray) var(--color-border-gray) #ffffff;
  margin-bottom: -2px;
  border-bottom: 2px solid #ffffff;
}
.contact-tab .tab-icon {
  flex-shrink: 0;
  fill: currentColor;
  transition: fill 0.2s;
}

.contact-form-panel {
  display: none;
}
.contact-form-panel.is-active {
  display: block;
}

/* フォーム共通 */
.form-group {
  margin-bottom: 30px;
}
.form-group--row {
  display: flex;
  gap: 20px;
}
.form-group--row > div {
  flex: 1;
}
.form-label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.form-label .required-badge {
  background-color: var(--color-accent-red);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 2px 6px;
  margin-left: 8px;
  vertical-align: middle;
  font-weight: normal;
}
.form-label .optional-badge {
  background-color: #999999;
  color: #ffffff;
  font-size: 0.75rem;
  padding: 2px 6px;
  margin-left: 8px;
  vertical-align: middle;
  font-weight: normal;
}

.form-control {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border-gray);
  border-radius: 0; /* 四角形デザイン */
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-control:focus {
  border-color: var(--color-main);
  outline: none;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* プルダウン風チェックボックスリスト */
.prefecture-container {
  border: 1px solid var(--color-border-gray);
  background-color: #ffffff;
  padding: 15px;
  max-height: 200px;
  overflow-y: auto;
}
.prefecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
}
.prefecture-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  cursor: pointer;
  font-weight: normal;
}

/* 文字数カウンター */
.char-counter {
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.char-counter.is-invalid {
  color: var(--color-accent-red);
  font-weight: bold;
}

/* 同意チェックボックス */
.agreement-box {
  margin: 40px 0;
  text-align: center;
}
.agreement-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  font-size: 0.95rem;
  cursor: pointer;
}
.agreement-label a {
  color: var(--color-main);
  text-decoration: underline;
}

/* ボタンレイアウト */
.form-actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}
.btn--contact-submit {
  display: inline-block;
  padding: 15px 50px;
  background-color: var(--color-main);
  color: #ffffff;
  border: 1px solid var(--color-main);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  border-radius: 0;
}
.btn--contact-submit:hover {
  background-color: #008000;
  border-color: #008000;
  box-shadow: var(--glow-effect);
}

.btn--contact-back {
  display: inline-block;
  padding: 15px 50px;
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-gray);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  border-radius: 0;
}
.btn--contact-back:hover {
  background-color: #fafafa;
  color: #333333;
}

/* 確認画面用テーブル */
.confirm-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}
.confirm-table th, .confirm-table td {
  padding: 15px 20px;
  border-bottom: 1px solid var(--color-border-gray);
  text-align: left;
}
.confirm-table th {
  width: 250px;
  background-color: #f9f9f9;
  font-weight: bold;
  font-size: 0.95rem;
  color: #333333;
}
.confirm-table td {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 完了画面用 */
.complete-box {
  text-align: center;
  padding: 50px 20px;
}
.complete-icon {
  width: 80px;
  height: 80px;
  color: var(--color-main);
  margin: 0 auto 30px;
}
.complete-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 20px;
}
.complete-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .form-group--row {
    flex-direction: column;
    gap: 15px;
  }
  .confirm-table th {
    width: 100%;
    display: block;
    padding-bottom: 5px;
  }
  .confirm-table td {
    width: 100%;
    display: block;
    padding-top: 5px;
    border-bottom: 2px solid var(--color-border-gray);
  }
  .confirm-table tr:last-child td {
    border-bottom: 1px solid var(--color-border-gray);
  }
  .form-actions {
    flex-direction: column-reverse;
    gap: 15px;
  }
  .btn--contact-submit, .btn--contact-back {
    width: 100%;
  }
}