/* ==========================================================================
   デザイントークン（案C: 肉球ポンっといらっしゃい）
   ========================================================================== */

:root {
  --color-bg: #fff8ec;
  --color-bg-alt: #ffefd9;
  --color-ink: #5c3d2e;
  --color-ink-sub: #8a6a55;
  --color-accent: #f0923e;
  --color-accent-dark: #d97b2e;
  --color-pale: #f4c9a8;
  --color-white: #ffffff;
  --color-border: #f0dcc0;

  --font-heading: 'Yusei Magic', sans-serif;
  --font-body: 'M PLUS Rounded 1c', sans-serif;

  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 14px rgba(92, 61, 46, 0.12);
  --container-width: 960px;
  --transition-base: 0.2s ease;

  --icon-paw: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cellipse cx='12' cy='15' rx='6' ry='5'/%3E%3Cellipse cx='5.5' cy='8' rx='2.2' ry='3'/%3E%3Cellipse cx='11' cy='5.5' rx='2.2' ry='3'/%3E%3Cellipse cx='17' cy='6.5' rx='2.2' ry='3'/%3E%3Cellipse cx='20.5' cy='10.5' rx='2' ry='2.7'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.8;
}

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

a {
  color: inherit;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1.5;
  text-wrap: balance;
}

/* --- 小見出し（h2）を楕円バッジ風に -------------------------------------- */

h2 {
  display: inline-block;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  padding: 0.5em 1.6em;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

p, li, blockquote {
  text-wrap: pretty;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 2px;
}

/* --- 肉球アイコン（インラインSVGをmask-imageで再利用） -------------------- */

.paw-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  background-color: currentColor;
  -webkit-mask-image: var(--icon-paw);
  mask-image: var(--icon-paw);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

/* --- ヘッダー / ナビ ------------------------------------------------- */

.site-header {
  padding: 1.25rem 1.5rem;
  background: var(--color-white);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--color-ink-sub);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 700;
}

@media (max-width: 1024px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    gap: 0.75rem;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow-sm);
    z-index: 10;
  }

  .site-nav.is-open {
    display: flex;
  }
}

/* --- 本文 --------------------------------------------------------------- */

main {
  padding: 1.5rem;
  min-height: 50vh;
  max-width: var(--container-width);
  margin: 0 auto;
}

main > h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  margin-bottom: 1rem;
}

/* --- ボタン --------------------------------------------------------- */

.paw-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-body);
  font-weight: 700;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.paw-button .paw-pop {
  position: absolute;
  width: 20px;
  height: 20px;
  color: var(--color-pale);
  opacity: 0;
  top: -6px;
  right: -6px;
  transform: scale(0.4) rotate(-15deg);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.paw-button:hover .paw-pop,
.paw-button:focus-visible .paw-pop {
  opacity: 1;
  transform: scale(1) rotate(-15deg) translate(4px, -4px);
}

/* --- 開催カード（津軽AI雑談室ページ）------------------------------- */

.event-card,
.info-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.event-card {
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

/* --- ホバーで表示済みの肉球が少し大きく傾く演出 ------------------------- */
/* transform はレイアウトに影響しないため、拡大・回転してもタイトル文字は動かない */

.event-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.event-card h3 .paw-icon {
  flex-shrink: 0;
  color: var(--color-pale);
  transition: transform var(--transition-base);
}

.event-card:hover h3 .paw-icon,
.event-card:focus-within h3 .paw-icon {
  transform: scale(1.5) rotate(-14deg);
}

/* --- タイトルのマーカー風下線（左から右へease-outで伸びる） ------------- */

.event-card h3 .event-title-text {
  position: relative;
  display: inline-block;
}

.event-card h3 .event-title-text::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.05em;
  height: 0.4em;
  background-color: rgba(240, 146, 62, 0.35);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s ease-out;
  pointer-events: none;
}

.event-card:hover h3 .event-title-text::after,
.event-card:focus-within h3 .event-title-text::after {
  transform: scaleX(1);
}

/* --- 情報カード（特徴・サポート内容などの箇条書きをカード化） --------- */

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 0;
}

@supports (padding: 1cqi) {
  .info-card {
    padding: clamp(1rem, 4cqi, 1.75rem);
  }
}

.info-card .paw-icon {
  display: none;
  flex-shrink: 0;
  margin-top: 0.3rem;
  color: var(--color-pale);
  transition: transform var(--transition-base);
}

@container (min-width: 380px) {
  .info-card .paw-icon {
    display: inline-block;
  }
}

.info-card:hover .paw-icon,
.info-card:focus-within .paw-icon {
  transform: scale(1.5) rotate(-14deg);
}

/* --- お問い合わせカテゴリのチップ表示 ---------------------------------- */

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.chip-list li {
  background: var(--color-bg-alt);
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-lg);
  margin-bottom: 0;
  transition: background-color var(--transition-base);
}

.chip-list li:hover {
  background: var(--color-pale);
}

/* --- スクロールで登場するフェードイン（装飾のみ・非対応環境は素通り）--- */

@supports ((animation-timeline: view()) and (animation-range: entry)) {
  @keyframes reveal-fade-up {
    from {
      opacity: 0;
      translate: 0 24px;
    }
  }

  .reveal-on-scroll {
    animation: reveal-fade-up 0.6s ease backwards;
    animation-timeline: view();
    animation-range: entry 0% entry 40%;
  }
}

.event-date {
  margin: 0.5rem 0 0.4rem;
  font-size: 0.875rem;
  color: var(--color-ink-sub);
}

.event-card h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.event-card h3 a {
  text-decoration: none;
}

/* --- フッター ------------------------------------------------------- */

.site-footer {
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-ink-sub);
}