/* ===========================
   CSS Variables
=========================== */
:root {
  --color-bg: #FFFCE4;
  --color-primary: #303967;
  --color-primary-light: #4a5490;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-white: #ffffff;
  --color-border: #d9d5bc;
  --color-accent: #e8a020;

  --font-title: 'Zen Maru Gothic', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-mincho: 'Noto Serif JP', serif;

  --font-size-base: 16px;
  --font-size-title: 28px;

  --container-width: 1080px;
  --container-padding: 0 24px;

  --header-height: 70px;
  --transition: 0.25s ease;

  --color-bg-alt: #f5f2d8;
  --color-primary-a04: rgba(48, 57, 103, 0.04);
  --color-primary-a35: rgba(48, 57, 103, 0.35);
  --color-white-60: rgba(255, 255, 255, 0.6);
}

/* ===========================
   Reset
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity 0.3s ease;
}

body.is-visible {
  opacity: 1;
}

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

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

ul, ol {
  list-style: none;
}

/* ===========================
   Layout
=========================== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section {
  padding: 80px 0;
}

/* ===========================
   Section Heading
=========================== */
.section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.section-heading__title {
  font-family: var(--font-title);
  font-size: var(--font-size-title);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  position: relative;
  display: inline-block;
}

.section-heading__sub {
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.15em;
  margin-top: 6px;
  text-transform: uppercase;
}

.section-heading__kamon {
  display: block;
  margin: 0 auto 8px;
  width: 32px;
}

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity var(--transition), background-color var(--transition);
  border: none;
}

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

.btn--primary:hover {
  opacity: 0.82;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* ===========================
   Breadcrumb
=========================== */
.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--color-text-light);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.breadcrumb li + li::before {
  content: '＞';
  margin-right: 4px;
}

/* ===========================
   Utilities
=========================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ===========================
   News Tag Colors（top.css / news.css 共有）
=========================== */
.news-list__tag--rakugo,
.news-card__tag--rakugo { background-color: #b8d4f0; color: #1a4a80; }

.news-list__tag--kinzyo,
.news-card__tag--kinzyo { background-color: #f0d4b8; color: #8a4a10; }

.news-list__tag--fans,
.news-card__tag--fans { background-color: #c8eec8; color: #1a6a1a; }

/* ===========================
   Responsive
=========================== */
@media (max-width: 768px) {
  :root {
    --font-size-title: 22px;
  }

  .section {
    padding: 60px 0;
  }

  .section-heading {
    margin-bottom: 32px;
  }
}