:root {
  --bg: #ffffff;
  --text: #1b1b1f;
  --muted: #6b7280;
  --primary: #316745;
  --accent: #49a06b;
  --card: #ffffff;
  --glass: rgba(49, 103, 69, 0.06);

  --status-red: #ffebee;
  --status-red-border: #e53935;
  --status-green: #e3fcec;
  --status-green-border: #43a047;

  /* 追加: ボタン用カラー */
  --btn-normal-green: #316745;
  --btn-hover-black: #1b1b1f;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans JP';
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* ヘッダー */
.site-header {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #fff;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  display: flex;
  align-items: center;
  color: #fff;
  text-decoration: none;
}
.logo-mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-right: 10px;
}
.logo-text {
  font-weight: 700;
}
.global-nav {
  display: flex !important;
  gap: 18px;
}
.global-nav .nav-item {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
}
.global-nav .nav-item.active {
  background: rgba(255, 255, 255, 0.12);
}
.menu-toggle {
  display: none !important;
  background: none;
  border: 0;
  color: #fff;
  font-size: 20px;
}

/* ヒーロー */
.hero {
  padding: 48px 0;
  position: relative;
  overflow: hidden;
}
.hero--paypayish-bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100%;
  background: url("assets/hero-bg.svg") right top / cover no-repeat;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
  transform: none;
}
.hero-inner {
  display: flex;
  gap: 30px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content {
  flex: 1;
}
.lead {
  color: var(--muted);
  font-size: 18px;
}
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  /* 追加: transitionで色変化をなめらかに */
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

/* 使い方・特徴ボタン（.btn-primary, .btn-outline）通常時は緑、フィードバックボタンは従来通り */
.btn-primary,
.btn-outline {
  color: var(--btn-normal-green); /* 通常時緑色 */
}

/* 使い方・特徴ボタンのホバー・フォーカス・アクティブ時は黒色 */
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-outline:hover,
.btn-outline:focus,
.btn-outline:active {
  color: var(--btn-hover-black); /* ホバー・クリック時黒色 */
  background: rgba(49, 103, 69, 0.08); /* 従来のホバー背景 */
  border-color: var(--primary); /* 従来のホバー枠 */
}

/* フィードバックボタンは色変更しない（従来通り） */
.btn-feedback {
  border: 2px solid rgba(0, 0, 0, 0.06);
  color: var(--text);
  background: rgba(49, 103, 69, 0.08);
  margin-left: 10px;
}

.btn-feedback:hover,
.btn-feedback:focus,
.btn-feedback:active {
  background: rgba(49, 103, 69, 0.08);
  color: var(--primary);
  border-color: var(--primary);
}

.hero-visual {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  position: relative;
  z-index: 1;
}
.hero-phone {
  width: clamp(200px, 28vw, 340px);
  max-height: 48vh;
  aspect-ratio: auto;
  border-radius: 28px;
  background: none !important;
  box-shadow: none !important;
  mix-blend-mode: normal !important;
  border: none !important;
  object-fit: contain;
  object-position: top;
  display: block;
  margin-top: 0;
}
@media (min-width: 1280px) {
  .hero-phone {
    width: clamp(220px, 22vw, 380px);
    max-height: 44vh;
  }
}
@media (max-width: 800px) {
  .hero {
    padding: 40px 0;
  }
  .hero-visual {
    display: none;
  }
  .hero--paypayish-bg::before {
    right: -220px;
    left: auto;
    width: 120vw;
    height: 60vw;
    opacity: 0.35;
  }
}

/* ダウンロードバナー（インラインstyleのみ） */

/* 主な特徴カード */
.features {
  padding: 36px 0;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 6px 18px rgba(17, 24, 39, 0.04);
}
#features .card {
  box-shadow: 0 18px 48px rgba(17,24,39,0.28), 0 6px 18px rgba(17,24,39,0.18);
}

/* 開発状況ステータスカード */
.status {
  padding: 36px 0;
}
.status-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  margin-top: 1.5em;
}
.status-card {
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--card);
  box-shadow: 0 4px 18px rgba(17,24,39,0.12);
  border-left: 8px solid var(--status-red-border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: border-color 0.2s, background 0.2s;
}

.status-card .status-title {
  font-size: 1.13em;
  font-weight: 700;
  margin-bottom: 0.5em;
}
.status-card .status-desc {
  font-size: 1em;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* 赤色（進行中・設計中・これから） */
.status-card.status-pending {
  background: var(--status-red);
  border-left-color: var(--status-red-border);
  color: #b71c1c;
}
/* 緑色（完了・実施中） */
.status-card.status-done {
  background: var(--status-green);
  border-left-color: var(--status-green-border);
  color: #256029;
}

@media (max-width: 700px) {
  .status-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* サイトフッター */
.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 18px 0;
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* メンバー紹介 */
.members-intro {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 2.5em;
  flex-wrap: wrap;
  margin-top: 2em;
  margin-bottom: 2em;
  padding: 0;
}
.member-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 200px;
}
.member-photo {
  width: 140px;
  height: 140px;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  margin-bottom: 1em;
  background: #f5f5f5;
  display: block;
}

/* アプリ紹介用ヘッダー（詳細ページ用）*/
.app-header {
  text-align: center;
  margin: 1.5em 0 4em;
}
.app-header .app-icon {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.app-header .social-link {
  display: inline-block;
  margin-top: 1em;
  font-size: 1.3em;
  font-weight: 700;
  color: #3f729b;
  text-decoration: none;
}
.app-header .social-link:hover {
  text-decoration: underline;
}
@media (max-width: 480px) {
  .app-header {
    margin: 1em 0 3em;
  }
  .app-header .app-icon {
    width: 50px;
    height: 50px;
    border-radius: 20px;
  }
  .app-header .social-link {
    font-size: 1.2em;
  }
}

/* ナビゲーションのレスポンシブ調整 */
@media (max-width: 800px) {
  .global-nav .nav-item {
    font-size: 13px;
    padding: 6px 6px;
  }
}

@media (max-width: 800px) {
  .hero-ctas {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-top: 18px;
  }
  .hero-ctas .btn,
  .hero-ctas .btn-primary,
  .hero-ctas .btn-outline,
  .hero-ctas .btn-feedback {
    margin-left: 0 !important;
    width: 100%;
    text-align: left;
    box-sizing: border-box;
  }
}