/* ============================
   ねこっぽ専用 やさしい知育パステルテーマCSS
   ============================ */

:root {
  --primary-color: #ff92b5; /* 優しいピンク */
  --primary-dark: #e36f94;
  --secondary-color: #a6e4ff; /* ミント水色 */
  --accent-color: #ffe8a3; /* クリーム色 */

  --text-primary: #4a3b40;
  --text-secondary: #6a5b70;
  --bg-primary: #fffafc;
  --bg-secondary: #fff3f7;
  --bg-accent: #fff7fb;

  --border-light: rgba(255, 153, 204, 0.25);
  --border-primary: rgba(255, 153, 204, 0.4);

  --shadow-light: 0 4px 10px rgba(255, 153, 204, 0.15);
  --shadow-medium: 0 8px 20px rgba(255, 153, 204, 0.25);
  --shadow-heavy: 0 10px 30px rgba(255, 153, 204, 0.3);

  --border-radius-sm: 10px;
  --border-radius-md: 18px;
  --border-radius-lg: 30px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Zen Maru Gothic", sans-serif;
  line-height: 1.8;
  color: var(--text-primary);
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  padding: 20px;
  min-height: 100vh;
}

/* Fade Animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Container */
.container {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-lg);
  padding-bottom: 40px;
  border: 2px solid var(--border-primary);
  box-shadow: var(--shadow-heavy);
}

/* Header */
.header {
  background: linear-gradient(135deg, #ffbcd4, #ff92b5);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  color: #fff;
  overflow: hidden;
}

/* 肉球パターン背景 */
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("https://cdn.jsdelivr.net/gh/twitter/twemoji@14.0.2/assets/svg/1f43e.svg");
  background-size: 80px;
  background-repeat: repeat;
  opacity: 0.12;
}

.app-title,
.policy-title {
  z-index: 100;
  position: relative;
  font-size: clamp(2.2rem, 6vw, 3.3rem);
  font-weight: 700;
  text-shadow: 3px 3px 0 rgba(255, 255, 255, 0.4);
}

.app-subtitle {
  margin-top: 15px;
  font-size: 1.2rem;
  opacity: 0.85;
}

/* Content */
.content {
  padding: 50px;
}

.section {
  margin-bottom: 50px;
}

/* Section Title */
.section-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  position: relative;
  padding-left: 40px;
}

.section-title::before {
  content: "🐾";
  position: absolute;
  left: 0;
  top: -4px;
  font-size: 1.8rem;
}

/* App Info */
.app-info {
  background: var(--bg-accent);
  padding: 30px;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-light);
}

.app-info:hover {
  box-shadow: var(--shadow-medium);
}

/* List */
.features-list {
  list-style: none;
  margin-top: 20px;
  padding: 0;
}

.features-list li {
  position: relative;
  padding: 12px 10px 12px 40px;
  margin-bottom: 8px;
  background: rgba(255, 209, 230, 0.25);
  border-radius: var(--border-radius-sm);
  transition: 0.25s ease;
}

.features-list li::before {
  content: "🐾";
  position: absolute;
  left: 10px;
  font-size: 1.4rem;
}

.features-list li:hover {
  background: rgba(255, 160, 200, 0.35);
  transform: translateX(6px);
}

/* Company Info */
.company-info,
.contact-info {
  background: var(--bg-accent);
  padding: 30px;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-light);
}

.date-info {
  background: var(--bg-accent);
  text-align: center;
  padding: 20px;
  border-radius: var(--border-radius-md);
  border: 2px solid var(--border-light);
  margin-top: 40px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .content {
    padding: 30px;
  }
  .header {
    padding: 40px 20px;
  }
}

@media (max-width: 480px) {
  .content {
    padding: 20px;
  }
}