/*
  水産ドローン案内所（水中ドローンの案内サイト） 共通CSS
  最終更新：2026-09-26

  設計方針：
  - 色は海の青系。必要なパーツだけの簡易版。
  - スマホでの横スクロール・崩れが出ないことを優先する。
*/

:root {
  --color-primary: #135e83;      /* 落ち着いた海の青 */
  --color-primary-dark: #0c3f58;
  --color-accent: #c46a1f;       /* CTA・強調用の暖色（青と区別しやすい） */
  --color-accent-dark: #9a5216;
  --color-bg: #f4f7f8;
  --color-surface: #ffffff;
  --color-text: #1e2426;
  --color-text-light: #4c5658;
  --color-border: #d6dee1;
  --color-warning-bg: #fff6e2;
  --color-warning-border: #c98a1f;
  --color-diagram-bg: #e9f1f4;
  --color-diagram-border: #b7cdd6;
  --font-heading: "Zen Maru Gothic", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --max-width: 880px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

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

img,
svg {
  max-width: 100%;
}

h1, h2, h3, .site-title, .footer-logo-text {
  font-family: var(--font-heading);
}

h1 {
  font-weight: 900;
  font-size: 1.6rem;
  line-height: 1.5;
  margin: 0.8rem 0 0.6rem;
  color: var(--color-primary-dark);
  letter-spacing: 0.01em;
}

h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 2rem 0 0.8rem;
  padding-bottom: 0.3rem;
  border-bottom: 3px solid var(--color-primary);
  color: var(--color-primary-dark);
}

h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
  color: var(--color-text);
}

p {
  margin: 0 0 1rem;
}

/* ------------------ スキップリンク ------------------ */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #ffffff;
  color: var(--color-primary-dark);
  padding: 0.6rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

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

.site-header {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: 0.75rem 1rem;
  border-bottom: 4px solid var(--color-accent);
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: #ffffff;
}

.site-logo:visited,
.site-logo:hover {
  color: #ffffff;
  text-decoration: none;
}

.site-logo-badge {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.site-logo-badge svg {
  width: 28px;
  height: 28px;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.site-title {
  font-size: 1.45rem;
  font-weight: 900;
  margin: 0;
  line-height: 1.4;
  color: #ffffff;
}

.site-tagline {
  font-size: 0.9rem;
  color: #e3eff3;
  margin: 0.15rem 0 0;
}

.site-nav ul {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.6rem;
  padding: 0;
  margin: 0;
}

.site-nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.6rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 44px;
}

.site-nav a:hover,
.site-nav a:focus {
  background: rgba(255, 255, 255, 0.2);
}

@media (min-width: 640px) {
  .site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.6rem;
  }

  .site-nav a {
    display: inline-block;
    font-size: 0.95rem;
    font-weight: 400;
    padding: 0.35rem 0.6rem;
    background: transparent;
    min-height: auto;
  }
}

@media (min-width: 1024px) {
  .site-nav ul { display: flex; }
  .site-nav a { white-space: nowrap; }
}

/* ------------------ 個人運営の一言（ヘッダー直下） ------------------ */

.operator-note-bar {
  background: var(--color-diagram-bg);
  border-bottom: 1px solid var(--color-diagram-border);
}

.operator-note-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

/* ------------------ パンくず ------------------ */

.breadcrumb {
  max-width: var(--max-width);
  margin: 0.9rem auto 0;
  padding: 0 1rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

/* ------------------ メイン ------------------ */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
}

.lead-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-primary);
  padding: 1rem 1.1rem;
  border-radius: 6px;
  font-size: 1rem;
}

.lead-summary ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
}

.meta-line {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 0.3rem 0 1.2rem;
}

.source-note {
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.9rem 1rem;
  margin: 1rem 0;
}

/* ------------------ 注意ボックス ------------------ */

.notice-box {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: 6px;
  padding: 0.9rem 1rem;
  margin: 1rem 0;
  font-size: 0.98rem;
}

.notice-box strong {
  color: #7a4a12;
}

.notice-box p:last-child {
  margin-bottom: 0;
}

/* ------------------ 比較表・早見表（スマホは横スクロール） ------------------ */

.table-scroll {
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 480px;
  background: var(--color-surface);
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-diagram-bg);
  color: var(--color-primary-dark);
}

@media (max-width: 639px) {
  table.scene-table { min-width: 0; }
  .table-scroll:has(table.scene-table) { overflow-x: visible; }
  table.scene-table th, table.scene-table td { font-size: 0.88rem; padding: 0.55rem 0.5rem; }
}

/* ------------------ カード（トップページの入口） ------------------ */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1rem 0;
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 1.1rem;
  box-shadow: 0 2px 6px rgba(30, 36, 38, 0.06);
}

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

.card ul {
  padding-left: 1.1rem;
  margin: 0.6rem 0 0;
}

.card-soon {
  background: #eef2f3;
  border: 1px dashed var(--color-border);
  border-radius: 8px;
  padding: 1.1rem;
  color: var(--color-text-light);
}

.card-soon h3 {
  margin-top: 0;
  font-size: 1.05rem;
  color: var(--color-text-light);
}

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

.cta-wrap {
  text-align: center;
  margin: 1.6rem 0;
}

.cta-button {
  display: inline-block;
  background: var(--color-accent);
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  padding: 1rem 1.8rem;
  border-radius: 8px;
  border: none;
  min-width: 240px;
  text-align: center;
  cursor: pointer;
}

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

.cta-sub {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 0.4rem;
}

/* ------------------ 見出し画像の枠（トップ・大） ------------------ */

.hero-photo-frame {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  margin: 1rem 0 0.4rem;
  aspect-ratio: 16 / 9;
  background: linear-gradient(180deg, #1c6f96 0%, #0c3f58 100%);
}

.hero-photo-frame .hero-photo-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  padding: 1.6rem 1.1rem 1.1rem;
}

.hero-photo-overlay h1 {
  color: #ffffff;
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.55;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}

/* ------------------ 「はっきり言えること／まだ分からないこと」の確認リスト ------------------ */

.priority-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: priority-count;
}

.priority-list li {
  counter-increment: priority-count;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-accent);
  border-radius: 6px;
  padding: 0.8rem 1rem 0.8rem 3rem;
  margin-bottom: 0.7rem;
  position: relative;
}

.priority-list li::before {
  content: counter(priority-count);
  position: absolute;
  left: 0.8rem;
  top: 0.75rem;
  background: var(--color-accent);
  color: #fff;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

/* ------------------ 運営者情報テーブル ------------------ */

.info-table th {
  white-space: nowrap;
  width: 9.5em;
}

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

.site-footer {
  background: var(--color-primary-dark);
  color: #e6eef1;
  margin-top: 2rem;
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.footer-logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.footer-logo-badge svg {
  width: 20px;
  height: 20px;
}

.footer-logo-text {
  font-weight: 700;
  font-size: 1.05rem;
  color: #e6eef1;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.footer-links a {
  color: #e6eef1;
  font-size: 0.9rem;
}

.footer-note {
  font-size: 0.8rem;
  color: #b9cdd6;
  line-height: 1.7;
}

.footer-note strong {
  color: #d7e6ec;
}

/* 長いURLがスマホで横にはみ出さないように折り返す */
a { overflow-wrap: anywhere; }