/*
Theme Name: KANSAI RETREATS
Description: Marinetopia Resort グループの関西エリア・ポータルサイト用テーマ（たたき台）
Version: 0.1
*/

@font-face { font-family: 'UtilityMono'; src: local('SFMono-Regular'), local('Consolas'), local('Menlo'); }

:root {
  color-scheme: light;
  --bg: #f1f4f0; --bg-panel: #e4e9e1; --bg-panel-2: #dbe3d8;
  --ink: #17262b; --ink-soft: #51625c; --ink-faint: #7c8b84; --line: #c6d0c2;
  --accent: #c97a34; --accent-ink: #6d3d12; --accent-soft: #ecd9c2;
  --sea: #2e5c63; --sea-soft: #d9e6e5; --card-bg: #f8faf6;
  --shadow: 0 1px 2px rgba(23, 38, 43, 0.06), 0 8px 24px rgba(23, 38, 43, 0.07);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121b1c; --bg-panel: #172323; --bg-panel-2: #1c2a2a;
  --ink: #eef3ee; --ink-soft: #adbfb8; --ink-faint: #7f948c; --line: #2c3c3a;
  --accent: #e0995a; --accent-ink: #f7ddbe; --accent-soft: #3a2c1c;
  --sea: #7fb3ae; --sea-soft: #1c2f30; --card-bg: #17221f;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 28px rgba(0, 0, 0, 0.35);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121b1c; --bg-panel: #172323; --bg-panel-2: #1c2a2a;
    --ink: #eef3ee; --ink-soft: #adbfb8; --ink-faint: #7f948c; --line: #2c3c3a;
    --accent: #e0995a; --accent-ink: #f7ddbe; --accent-soft: #3a2c1c;
    --sea: #7fb3ae; --sea-soft: #1c2f30; --card-bg: #17221f;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 28px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink);
  font-family: '游ゴシック体', 'Yu Gothic', 'YuGothic', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  line-height: 1.75; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
.mincho { font-family: '游明朝体', 'YuMincho', 'Hiragino Mincho ProN', 'Noto Serif JP', serif; }
.wordmark { font-family: Georgia, 'Times New Roman', ui-serif, serif; letter-spacing: 0.06em; }
.util { font-family: 'UtilityMono', ui-monospace, 'SFMono-Regular', Consolas, monospace; font-variant-numeric: tabular-nums; }
a { color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }

.theme-toggle {
  position: fixed; bottom: 20px; right: 20px; z-index: 500;
  background: var(--card-bg); border: 1px solid var(--line); color: var(--ink-soft);
  border-radius: 999px; padding: 8px 14px; font-size: 12px; cursor: pointer; box-shadow: var(--shadow);
}

header.site {
  position: sticky; top: 0; z-index: 200;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 32px; gap: 24px; flex-wrap: wrap; }
.brand { display: flex; flex-direction: column; line-height: 1.25; text-decoration: none; }
.brand .mark { font-size: 21px; color: var(--ink); }
.brand .sub { font-size: 10.5px; color: var(--ink-faint); letter-spacing: 0.04em; margin-top: 2px; }
nav.primary { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--ink-soft); flex-wrap: wrap; }
nav.primary a, nav.primary button {
  background: none; border: none; font: inherit; color: inherit; cursor: pointer;
  text-decoration: none; padding: 0; border-bottom: 1px solid transparent; padding-bottom: 2px;
}
nav.primary a:hover, nav.primary button:hover { border-color: var(--accent); color: var(--ink); }

.guide-dropdown { position: relative; }
.guide-panel {
  position: absolute; top: 100%; right: 0; margin-top: 12px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow);
  min-width: 190px; padding: 8px; display: none; z-index: 250;
}
.guide-panel.open { display: block; }
.guide-panel a { display: block; padding: 8px 12px; font-size: 13.5px; color: var(--ink-soft); text-decoration: none; border-radius: 6px; }
.guide-panel a:hover { background: var(--bg-panel); color: var(--ink); }

.hero {
  position: relative; padding: 92px 32px 68px; overflow: hidden;
  background:
    radial-gradient(560px 320px at 82% -10%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 70%),
    linear-gradient(180deg, var(--bg-panel) 0%, var(--bg) 78%);
  border-bottom: 1px solid var(--line);
}
.hero svg.horizon { position: absolute; left: 0; right: 0; bottom: -2px; width: 100%; height: auto; opacity: 0.9; pointer-events: none; }
.hero-inner { position: relative; max-width: 1180px; margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 0.14em;
  color: var(--sea); text-transform: uppercase; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--sea); }
h1.hero-title { font-size: clamp(28px, 4vw, 44px); font-weight: 600; line-height: 1.6; margin: 0 0 24px; max-width: 46em; }
.hero-title em {
  font-style: normal; color: var(--accent-ink);
  background: linear-gradient(180deg, transparent 62%, var(--accent-soft) 62%);
}
.hero-lede { font-size: 16.5px; color: var(--ink-soft); max-width: 100%; margin: 0 0 36px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; padding: 12px 22px;
  border-radius: 999px; text-decoration: none; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { opacity: 0.9; }
.btn-ghost { border-color: var(--line); color: var(--ink-soft); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--ink); }

section.experience { padding: 72px 32px; }
section.experience .head { max-width: 62em; margin-bottom: 34px; }
section.experience h2 { font-size: 27px; margin: 0 0 8px; }
section.experience .head p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.exp-card {
  background: var(--card-bg); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow);
}
.exp-card .thumb { height: 140px; position: relative; overflow: hidden; }
.exp-card .thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(15,20,15,0.28) 100%); }
.exp-card .body { padding: 22px 22px 26px; display: flex; flex-direction: column; gap: 10px; }
.exp-card .cat { font-size: 11px; letter-spacing: 0.06em; color: var(--sea); text-transform: uppercase; }
.exp-card h3 { margin: 0; font-size: 17px; font-weight: 600; line-height: 1.5; }
.exp-card p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }
a.exp-card { text-decoration: none; color: inherit; transition: border-color 0.15s ease, transform 0.15s ease; }
a.exp-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.exp-more { font-size: 12.5px; color: var(--accent-ink); margin-top: 2px; }
a.exp-card:hover .exp-more { text-decoration: underline; }

section.area-preview { padding: 72px 32px 0; }
section.area-preview .head { max-width: 62em; margin-bottom: 34px; }
section.area-preview h2 { font-size: 27px; margin: 0 0 8px; }
section.area-preview .head p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.area-preview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.area-preview-card {
  background: var(--card-bg); border: 1px solid var(--line); border-radius: 12px;
  padding: 24px 22px; display: flex; flex-direction: column; gap: 8px;
  text-decoration: none; color: inherit; box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.area-preview-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.area-preview-card .pref { font-size: 11px; letter-spacing: 0.06em; color: var(--sea); text-transform: uppercase; }
.area-preview-card h3 { margin: 0; font-size: 18px; font-weight: 600; }
.area-preview-card .count { font-size: 12px; color: var(--accent-ink); background: var(--accent-soft); display: inline-block; padding: 3px 10px; border-radius: 999px; width: fit-content; margin: 2px 0 4px; }
.area-preview-card .desc { margin: 0; font-size: 13px; color: var(--ink-soft); line-height: 1.65; }

.cta-banner {
  margin: 20px 32px 90px; padding: 50px 40px; border-radius: 16px;
  background: linear-gradient(120deg, var(--sea) 0%, var(--ink) 100%);
  color: #fdfaf3; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-banner h3 { margin: 0 0 6px; font-size: 22px; font-weight: 600; }
.cta-banner p { margin: 0; font-size: 14px; opacity: 0.85; max-width: 60em; }
.cta-banner .btn-primary { background: var(--accent); color: #221204; }

footer { padding: 60px 32px 44px; background: var(--bg-panel-2); }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(4, 1fr); gap: 32px; margin-bottom: 44px; }
.footer-grid h5 { font-size: 12px; letter-spacing: 0.08em; color: var(--ink-faint); margin: 0 0 14px; text-transform: uppercase; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { text-decoration: none; font-size: 13.5px; color: var(--ink-soft); }
.footer-grid a:hover { color: var(--accent-ink); }
.footer-about p { font-size: 13px; color: var(--ink-soft); max-width: 36em; margin: 0; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--ink-faint); }

@media (max-width: 860px) {
  .nav-row { flex-wrap: wrap; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { padding: 34px 26px; }
}
@media (max-width: 520px) {
  .wrap, .hero, section.experience, footer, .nav-row { padding-left: 20px; padding-right: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { margin-left: 20px; margin-right: 20px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }