/* ===========================
   Google Fonts
=========================== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;600;700&family=Noto+Serif+JP:wght@700&display=swap');

/* ===========================
   カラー変数
=========================== */
:root {
  --color-primary:       #2a7d4f;   /* メインの緑 */
  --color-primary-dark:  #1f5e3a;   /* ホバー・強調 */
  --color-primary-light: #e6f4ec;   /* 薄い緑（背景など） */
  --color-accent:        #4caf7d;   /* アクセント緑 */
  --color-text:          #1a1a1a;
  --color-text-muted:    #555;
  --color-border:        #d4e8db;
  --color-bg-alt:        #f2f8f4;   /* alt セクション背景 */
  --color-footer-bg:     #1a3d2b;   /* フッター */
}

/* ===========================
   共通リセット・ベーススタイル
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: #fff;
}

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

ul {
  list-style: none;
}

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

/* ===========================
   レイアウト
=========================== */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

/* ===========================
   ヘッダー / ナビゲーション
=========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #fff;
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", Georgia, serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.site-nav ul {
  display: flex;
  gap: 22px;
}

.site-nav a {
  font-size: 0.875rem;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ===========================
   フッター
=========================== */
.site-footer {
  background-color: var(--color-footer-bg);
  color: #a8c8b5;
  padding: 40px 0;
  font-size: 0.875rem;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.site-footer .footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.site-footer a:hover {
  color: #fff;
}

/* ===========================
   見出し共通
=========================== */
.section-heading {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-primary-dark);
  letter-spacing: 0.03em;
}

.section-subheading {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 48px;
}

/* ===========================
   ボタン
=========================== */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border: 2px solid var(--color-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  border-radius: 2px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
}

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

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

.btn--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* ヒーロー（濃色背景）上のボタンは枠線を白にする */
.hero .btn--primary {
  border-color: #fff;
}

.hero .btn--outline {
  color: #fff;
  border-color: #fff;
}

.hero .btn--outline:hover {
  background-color: #fff;
  color: var(--color-primary-dark);
}

/* ===========================
   ヒーローセクション（ホーム）
=========================== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 100vh;
  padding: 80px 20px;
  background: url('images/hero-bg.jpg') center center / cover no-repeat;
  color: #fff;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 94, 58, 0.82) 0%, rgba(42, 125, 79, 0.72) 60%, rgba(76, 175, 125, 0.58) 100%);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero__title {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", Georgia, serif;
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  color: #fff;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero__lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.92);
  max-width: 600px;
  margin-bottom: 40px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
  line-height: 1.9;
}

/* ページ内ヒーロー（ホーム以外）*/
.hero--inner {
  min-height: 240px;
  padding: 60px 20px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.hero--inner .hero__title {
  font-size: 2.2rem;
}

/* ===========================
   カードグリッド
=========================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.card {
  background-color: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  padding: 32px 28px;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(42, 125, 79, 0.12);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.card__body {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ===========================
   テーブル（会社概要）
=========================== */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.info-table th,
.info-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 200px;
  font-weight: 600;
  background-color: var(--color-bg-alt);
  color: var(--color-primary-dark);
  white-space: nowrap;
}

/* ===========================
   メンバー（私たちについて）
=========================== */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.member-card {
  text-align: center;
}

.member-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  border: 3px solid var(--color-accent);
  margin: 0 auto 16px;
}

.member-card__name {
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-primary-dark);
}

.member-card__role {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===========================
   フォーム（会社概要）
=========================== */
input[type="text"],
input[type="email"],
textarea {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  width: 100%;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(42, 125, 79, 0.15);
}

/* ===========================
   フッター（多列）
=========================== */
.site-footer .container {
  align-items: stretch;
  gap: 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  width: 100%;
  padding-bottom: 32px;
}

.footer-brand {
  flex-shrink: 0;
}

.footer-tagline {
  font-size: 0.8rem;
  color: #a8c8b5;
  margin-top: 8px;
  max-width: 200px;
  line-height: 1.7;
}

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

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

.footer-nav__heading {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 14px;
}

.footer-bottom {
  width: 100%;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
}

/* ===========================
   レスポンシブ
=========================== */
@media (max-width: 768px) {
  .services-detail {
    grid-template-columns: 1fr !important;
  }
  .services-detail .img-placeholder {
    order: -1;
  }
  .access-grid {
    grid-template-columns: 1fr !important;
  }
  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }
  .footer-nav {
    gap: 32px;
  }
}

/* ===========================
   ナビ CTA（資料ダウンロード）
=========================== */
.nav-cta {
  background-color: var(--color-primary) !important;
  color: #fff !important;
  padding: 5px 14px !important;
  border-bottom: none !important;
  border-radius: 2px;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background-color: var(--color-primary-dark) !important;
  border-color: transparent !important;
  color: #fff !important;
}

/* ===========================
   実績数値セクション
=========================== */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: 56px 0;
}

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

.stat-item__number {
  font-size: 2.8rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-item__unit {
  font-size: 1.1rem;
  font-weight: 400;
  opacity: 0.85;
}

.stat-item__label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 6px;
}

/* ===========================
   お客様の声
=========================== */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 36px 28px 28px;
  position: relative;
}

.testimonial-card::before {
  content: "\201C";
  font-size: 5rem;
  color: var(--color-primary-light);
  position: absolute;
  top: 8px;
  left: 20px;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card__body {
  font-size: 0.9rem;
  color: #444;
  line-height: 1.9;
  padding-top: 24px;
  margin-bottom: 24px;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
}

.testimonial-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-light);
  border: 2px solid var(--color-accent);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.testimonial-card__name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  margin-bottom: 3px;
}

.testimonial-card__company {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ===========================
   資料ダウンロードページ
=========================== */
.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.doc-preview {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  padding: 36px 32px;
}

.doc-preview__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}

.doc-preview__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
  color: #444;
}

.doc-preview__list li::before {
  content: "✓ ";
  color: var(--color-primary);
  font-weight: 700;
}

.doc-preview__meta {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.thanks-box {
  text-align: center;
  padding: 48px 32px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: none;
}

.thanks-box__icon { font-size: 3rem; margin-bottom: 16px; }

.thanks-box__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.thanks-box__body {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stat-item__number { font-size: 2rem; }
}

/* ===========================
   レスポンシブ
=========================== */
@media (max-width: 640px) {
  .site-nav ul {
    gap: 16px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .section-heading {
    font-size: 1.5rem;
  }

  .info-table th {
    width: 120px;
  }
}

/* ===========================
   アニメーション
=========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ヒーロー（ホームのみ）：読み込み時に順番に登場 */
.hero:not(.hero--inner) .hero__title {
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.2s;
}
.hero:not(.hero--inner) .hero__lead {
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.5s;
}
.hero:not(.hero--inner) .hero__btns {
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: 0.8s;
}

/* スクロールフェードイン */
.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}