:root {
  --color-bg: #fafaf8;
  --color-text: #17202b;
  --color-muted: #59636d;
  --color-accent: #d6392c;
  --color-accent-dark: #a82c22;
  --color-navy: #0c2340;
  --color-pop: #ffcb3c;
  --color-border: #e1e4e8;
  --color-card: #ffffff;
  --color-notice-bg: #fff8e6;
  --color-notice-border: #e8c766;
  --max-width: 760px;
  --font-display: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.85;
  font-size: 16px;
}

a {
  color: var(--color-accent-dark);
}

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
}

/* --- ヘッダー --- */

.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-logo span {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.9rem;
}

.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--color-accent-dark);
}

/* --- PR表示バー --- */

.pr-bar {
  background: #f1f1ec;
  color: var(--color-muted);
  font-size: 0.78rem;
  text-align: center;
  padding: 6px 10px;
}

/* --- パンくず --- */

.breadcrumb {
  max-width: var(--max-width);
  margin: 18px auto 0;
  padding: 0 20px;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* --- メイン --- */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px 60px;
}

article h1 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.5;
  margin: 8px 0 20px;
  color: var(--color-navy);
}

article h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 2.2em 0 0.8em;
  padding-bottom: 6px;
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
}

article h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 1.6em 0 0.6em;
  color: var(--color-navy);
}

article p, article li {
  color: #333;
}

article ul, article ol {
  padding-left: 1.4em;
}

.lead {
  font-size: 1.02rem;
  color: var(--color-muted);
  margin-bottom: 1.5em;
}

/* ==================== トップページ ヒーロー ==================== */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 320px at 12% -15%, rgba(255,255,255,.65), transparent 60%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.4) 0 3px, transparent 3px 58px),
    linear-gradient(180deg, #e6f5f7 0%, #c3e9ef 50%, #92d4e4 100%);
  border-bottom: 6px solid var(--color-accent);
}

.hero::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  top: 0;
  height: 10px;
  background: repeating-linear-gradient(90deg, var(--color-navy) 0 16px, #fff 16px 32px);
  transform: skewY(-2deg);
  opacity: .9;
}

.hero-ripples {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-ripples svg {
  position: absolute;
  width: 100%;
}

.hero-boats {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-boat {
  position: absolute;
  width: 15%;
  max-width: 68px;
  min-width: 40px;
}

.hero-boat svg {
  width: 100%;
  display: block;
  filter: drop-shadow(2px 3px 1px rgba(12, 35, 64, .25));
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 20px 40px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: var(--color-pop);
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: .78rem;
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 20px;
  transform: rotate(-4deg);
  box-shadow: 3px 3px 0 var(--color-navy);
}

.hero h1 {
  font-family: "Rampart One", var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 6vw, 2.3rem);
  color: var(--color-navy);
  line-height: 1.35;
  margin: 0 0 14px;
  transform: skewX(-2deg);
  text-wrap: balance;
}

.hero-sub {
  font-family: var(--font-display);
  font-weight: 500;
  color: #2a3f52;
  font-size: 1rem;
  margin: 0 0 26px;
}

.hero-cta {
  display: inline-block;
  background: var(--color-accent);
  color: #fff !important;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 32px;
  border-radius: 999px;
  border: 2px solid var(--color-navy);
  box-shadow: 5px 5px 0 var(--color-pop);
}

.hero-wave {
  position: relative;
  z-index: 2;
  line-height: 0;
  margin-top: -6px;
}

.hero-wave svg {
  width: 100%;
  height: 44px;
  display: block;
}

@media (max-width: 560px) {
  .hero-boat { display: none; }
  .hero-boat:nth-child(-n+3) { display: block; }
}

/* --- セクション見出し・区切り波 --- */

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 40px 0 4px;
}

.section-heading .level-badge {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.78rem;
  color: #fff;
  background: var(--color-navy);
  padding: 4px 12px;
  border-radius: 999px;
}

.section-heading h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0;
  color: var(--color-navy);
}

.section-note {
  color: var(--color-muted);
  font-size: 0.88rem;
  margin: 4px 0 0;
}

.section-divider {
  line-height: 0;
  margin: 30px -20px -6px;
}

.section-divider svg {
  width: 100%;
  height: 26px;
  display: block;
}

/* --- カード（トップページの記事一覧） --- */

.article-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.article-card {
  background: var(--color-card);
  border: 2px solid var(--color-navy);
  border-radius: 14px;
  padding: 18px 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: 4px 4px 0 var(--card-accent, var(--color-accent));
  transition: transform .12s ease;
}

.article-card:hover {
  transform: translateY(-2px);
}

.article-list li:nth-child(odd) .article-card { --card-accent: var(--color-accent); }
.article-list li:nth-child(even) .article-card { --card-accent: var(--color-pop); }
.article-list.level-mid li:nth-child(odd) .article-card { --card-accent: #3fb8d1; }
.article-list.level-mid li:nth-child(even) .article-card { --card-accent: var(--color-accent); }

.card-icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #eef5f7;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--card-accent, var(--color-navy));
}

.article-card .card-body {
  flex: 1;
  min-width: 0;
}

.article-card .tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-navy);
  background: #eef2f6;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.article-card h3 {
  font-family: var(--font-display);
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--color-navy);
}

.article-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-muted);
}

/* --- 会場ガイド: 会場チップ --- */

.venue-region h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-navy);
  margin: 2em 0 0.2em;
  padding-bottom: 4px;
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
}

.region-note {
  font-size: 0.92rem;
  color: var(--color-muted);
  margin: 0 0 10px;
  line-height: 1.7;
}

.venue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin: 12px 0 26px;
}

.venue-chip {
  background: #fff;
  border: 2px solid var(--color-navy);
  border-radius: 12px;
  padding: 12px 14px;
  box-shadow: 3px 3px 0 var(--chip-accent, var(--color-pop));
}

a.venue-chip {
  display: block;
  text-decoration: none;
  color: var(--color-text);
  transition: transform .12s ease;
  position: relative;
}

a.venue-chip:hover {
  transform: translateY(-2px);
}

a.venue-chip::after {
  content: "詳しく見る →";
  display: block;
  margin-top: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent-dark);
}

.venue-chip.is-soon {
  opacity: .6;
}

.venue-chip .v-soon {
  font-size: 0.68rem;
  color: var(--color-muted);
  margin-top: 4px;
}

.venue-grid:nth-of-type(odd) { --chip-accent: var(--color-pop); }

.venue-chip .v-name {
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--color-navy);
  font-size: 0.95rem;
}

.venue-chip .v-pref {
  font-size: 0.72rem;
  color: var(--color-muted);
}

.venue-chip .v-water {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin: 5px 0 3px;
}

.v-water.fresh { background: #e7f0fb; color: #2f6fd8; }
.v-water.salt { background: #e6f7f5; color: #0e7c86; }
.v-water.brackish { background: #f3edfa; color: #7b5fb0; }

.venue-chip .v-food {
  font-size: 0.82rem;
  color: #333;
  margin-top: 4px;
}

/* --- トップページ: 特集カード（会場ガイド） --- */

.feature-card {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--color-card);
  border: 2px solid var(--color-navy);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: 5px 5px 0 #3fb8d1;
  margin: 16px 0 0;
}

.feature-card .card-icon {
  width: 52px;
  height: 52px;
}

.feature-card .card-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-family: var(--font-display);
  margin: 0 0 6px;
  font-size: 1.1rem;
  color: var(--color-navy);
}

.feature-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-muted);
}

/* --- 記事ページ: 上部の水面バンド --- */

.article-band {
  position: relative;
  height: 64px;
  overflow: hidden;
  background: linear-gradient(180deg, #e6f5f7 0%, #bfe6ee 100%);
  border-bottom: 4px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-band svg.band-ripples {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.article-band .band-icon {
  position: relative;
  z-index: 1;
  width: 34px;
  height: 34px;
  color: var(--color-navy);
  background: #fff;
  border: 2px solid var(--color-navy);
  border-radius: 50%;
  padding: 7px;
  box-shadow: 2px 2px 0 var(--color-pop);
}

/* --- 手順リスト（ステップ表示） --- */

ol.steps {
  list-style: none;
  padding: 0;
  margin: 1.2em 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

ol.steps li {
  position: relative;
  background: #f6f8f9;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 14px 10px 46px;
  min-height: 26px;
}

ol.steps li::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 12px;
  top: 10px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

ol.steps {
  counter-reset: step-counter;
}

/* --- CTA --- */

.cta-box {
  background: #eef7fb;
  border: 2px solid var(--color-navy);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 2em 0;
}

.cta-box .cta-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.cta-box p {
  margin: 8px 0 14px;
}

.cta-button {
  display: inline-block;
  background: var(--color-accent);
  color: #fff !important;
  text-decoration: none;
  font-family: var(--font-display);
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid var(--color-navy);
  box-shadow: 4px 4px 0 var(--color-pop);
  font-weight: 700;
  font-size: 0.95rem;
}

.cta-button:hover {
  background: var(--color-accent-dark);
}

.cta-note {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 8px !important;
}

/* --- 注意書き（callout） --- */

.notice {
  background: var(--color-notice-bg);
  border: 1px solid var(--color-notice-border);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 1.6em 0;
  font-size: 0.92rem;
}

.notice strong {
  display: block;
  margin-bottom: 4px;
}

/* --- 内部リンク box --- */

.related-links {
  border-top: 1px solid var(--color-border);
  margin-top: 2.5em;
  padding-top: 1.2em;
  font-size: 0.92rem;
}

.related-links h2 {
  font-size: 1rem;
  border: none;
  padding: 0;
  margin: 0 0 0.6em;
}

/* --- フッター --- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-card);
  padding: 30px 20px 40px;
  margin-top: 40px;
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.site-footer nav {
  margin-bottom: 14px;
}

.site-footer nav a {
  color: var(--color-muted);
  margin-right: 16px;
  text-decoration: none;
}

.site-footer nav a:hover {
  text-decoration: underline;
}

.site-footer .disclosure {
  line-height: 1.7;
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .site-header-inner {
    padding: 12px 16px;
  }

  .site-logo {
    font-size: 1.05rem;
  }

  .site-nav {
    font-size: 0.82rem;
    gap: 6px 14px;
  }

  .breadcrumb {
    padding: 0 16px;
  }

  main {
    padding: 18px 16px 44px;
  }

  article h1 {
    font-size: 1.32rem;
  }

  article h2 {
    font-size: 1.08rem;
    margin: 1.8em 0 0.7em;
  }

  .notice,
  .cta-box {
    padding: 14px;
  }

  .cta-button {
    display: block;
    text-align: center;
    padding: 13px 20px;
  }

  .venue-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .venue-chip {
    padding: 10px 12px;
  }

  ol.steps li {
    padding: 10px 12px 10px 42px;
    font-size: 0.94rem;
  }

  ol.steps li::before {
    left: 10px;
    width: 24px;
    height: 24px;
    font-size: 0.76rem;
  }

  .hero-inner {
    padding: 40px 16px 30px;
  }

  .site-footer nav a {
    display: inline-block;
    margin-bottom: 6px;
  }
}