/* =========================================================
   電車とバスで行くソロキャンプ — 共通スタイル v2
   テーマ: フィールドガイド × 地形図 × 路線図
   ========================================================= */

:root {
  --pine:     #16311f;   /* 深い森（最暗）*/
  --pine-2:   #1e4029;   /* 森 */
  --moss:     #4a6741;   /* 苔 */
  --sage:     #7f9471;   /* 明るい苔 */
  --paper:    #f5f2e8;   /* 生成りの紙 */
  --paper-2:  #ece7d7;   /* 沈んだ紙 */
  --paper-3:  #e2dcc7;   /* さらに沈んだ紙 */
  --signage:  #d98324;   /* 駅サインのアンバー */
  --signage-2:#f0a44b;   /* 明るいアンバー */
  --ember:    #e8633a;   /* 焚き火の熾 */
  --ink:      #23251d;   /* 墨 */
  --steel:    #74766a;   /* 補助テキスト */
  --line:     #d6d0ba;   /* 罫線 */

  --font-display: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body:    "Noto Sans JP", sans-serif;
  --font-data:    "Roboto Mono", monospace;

  --maxw: 1000px;
  --radius: 4px;
  --shadow: 0 8px 30px rgba(22,49,31,.10);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: .015em;
}

/* 紙の質感（ごく薄いノイズ） */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: radial-gradient(rgba(35,37,29,.028) 1px, transparent 1px);
  background-size: 4px 4px;
}
main, header, footer, section, article { position: relative; z-index: 1; }

img, svg { max-width: 100%; display: block; }
a { color: var(--pine-2); text-underline-offset: .2em; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(245,242,232,.9);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--pine); }
.brand .mark { width: 34px; height: 34px; flex: none; }
.brand .name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 14.5px; letter-spacing: .03em; line-height: 1.3;
}
.nav { display: flex; gap: 4px; }
.nav a {
  font-family: var(--font-display); font-weight: 500; font-size: 13.5px;
  text-decoration: none; color: var(--ink);
  padding: 7px 12px; border-radius: 99px;
  transition: background .15s ease, color .15s ease;
}
.nav a:hover { background: var(--pine); color: var(--paper); }

/* ---------- ヒーロー（風景イラスト） ---------- */
.hero {
  position: relative;
  background: linear-gradient(180deg, #12271a 0%, var(--pine) 46%, var(--pine-2) 100%);
  overflow: hidden;
}
.hero-scene { display: block; width: 100%; height: auto; }
.hero-copy {
  position: absolute; inset: 0; z-index: 2;
  display: flex; align-items: flex-start;
  pointer-events: none;
}
.hero-copy .wrap { padding-top: clamp(34px, 7vw, 84px); pointer-events: auto; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-data); font-size: 11.5px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--signage-2);
  margin: 0 0 16px;
  animation: rise .8s ease both;
}
.hero .eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--signage-2);
}
.hero h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(27px, 5.6vw, 52px); line-height: 1.32;
  margin: 0 0 18px; letter-spacing: .02em; color: var(--paper);
  text-shadow: 0 2px 24px rgba(10,25,15,.45);
  animation: rise .8s .08s ease both;
}
.hero p.sub {
  max-width: 30em; margin: 0 0 26px;
  color: #dfe3cd; font-size: clamp(13.5px, 1.8vw, 16px);
  text-shadow: 0 1px 14px rgba(10,25,15,.5);
  animation: rise .8s .16s ease both;
}
.hero .cta-row { display: flex; flex-wrap: wrap; gap: 12px; animation: rise .8s .24s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: 14px;
  text-decoration: none; padding: 13px 24px; border-radius: 3px;
  border: 1.5px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--signage); color: #221503; }
.btn-primary:hover { background: var(--signage-2); }
.btn-ghost { background: rgba(245,242,232,.06); color: var(--paper); border-color: rgba(245,242,232,.45); }
.btn-ghost:hover { border-color: var(--signage-2); color: var(--signage-2); }

/* 発車標風のデータ帯 */
.depart-board {
  background: #0e2115;
  border-top: 1px solid rgba(240,164,75,.25);
}
.depart-board .wrap {
  display: flex; flex-wrap: wrap; gap: 6px 34px;
  padding: 13px 22px;
}
.depart-board .item {
  display: flex; align-items: baseline; gap: 9px;
  font-family: var(--font-data);
}
.depart-board .k { font-size: 10.5px; letter-spacing: .16em; color: var(--sage); text-transform: uppercase; }
.depart-board .v { font-size: 15px; color: var(--signage-2); font-weight: 700; }

/* ---------- 路線図レイアウト（サイトの署名） ---------- */
.routemap { position: relative; padding: 26px 0 10px; }
.routemap::before {
  content: "";
  position: absolute; top: 0; bottom: 0; left: 32px;
  width: 3px; border-radius: 2px;
  background: repeating-linear-gradient(
    180deg,
    var(--moss) 0 14px,
    transparent 14px 22px
  );
  opacity: .55;
}
.station {
  position: relative;
  padding: 34px 0 30px 74px;
}
.station-node {
  position: absolute; left: 20px; top: 40px;
  width: 27px; height: 27px; border-radius: 50%;
  background: var(--paper);
  border: 3.5px solid var(--pine);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-data); font-size: 10px; font-weight: 700;
  color: var(--pine);
  box-shadow: 0 0 0 5px var(--paper);
}
.station-head { margin-bottom: 24px; }
.station-head .en {
  font-family: var(--font-data); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--signage);
  margin: 0 0 4px;
}
.station-head h2 {
  font-family: var(--font-display); font-weight: 900; font-size: clamp(21px, 3vw, 27px);
  margin: 0 0 6px; letter-spacing: .02em;
}
.station-head .desc { margin: 0; font-size: 13.5px; color: var(--steel); max-width: 40em; }
.station-head .more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  color: var(--pine-2); text-decoration: none;
}
.station-head .more::after { content: "→"; transition: transform .15s ease; }
.station-head .more:hover::after { transform: translateX(4px); }

/* ---------- ギアカード ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fffdf6; text-decoration: none; color: var(--ink);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--moss); }
.card .thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--paper-2), var(--paper-3));
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.card .thumb svg { width: 62%; height: auto; }
.card .thumb .ill-ground {
  position: absolute; bottom: 0; left: 0; right: 0; height: 26%;
  background: radial-gradient(120% 100% at 50% 120%, rgba(74,103,65,.24), transparent 70%);
}
.card .body { padding: 16px 17px 18px; }
.card .cat {
  font-family: var(--font-data); font-size: 10.5px; letter-spacing: .14em;
  color: var(--moss); text-transform: uppercase;
}
.card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 16.5px;
  margin: 7px 0 11px; line-height: 1.45;
}
.datatags { display: flex; flex-wrap: wrap; gap: 6px; }
.datatag {
  font-family: var(--font-data); font-size: 11px;
  background: var(--paper-2); color: var(--ink);
  padding: 3px 9px; border-radius: 2px; border: 1px solid var(--line);
}
.datatag b { color: var(--signage); font-weight: 700; }
.card .readmore {
  margin-top: 13px; font-family: var(--font-display); font-weight: 700;
  font-size: 12.5px; color: var(--pine-2);
}

/* ---------- キャンプ場カード ---------- */
.spot-list { display: flex; flex-direction: column; }
.spot {
  display: grid; grid-template-columns: 104px 1fr; gap: 18px;
  align-items: center; padding: 20px 14px; margin: 0 -14px;
  border-bottom: 1px solid var(--line);
  text-decoration: none; color: var(--ink); border-radius: var(--radius);
  transition: background .15s ease;
}
.spot:hover { background: rgba(74,103,65,.07); }
.spot:hover h3 { color: var(--signage); }
.spot .badge {
  width: 104px; height: 104px; border-radius: var(--radius);
  background: linear-gradient(165deg, var(--pine-2), var(--pine));
  color: var(--paper); flex: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.badge svg.badge-mt { position: absolute; bottom: 0; left: 0; right: 0; opacity: .5; }
.spot .badge .score {
  position: relative; font-family: var(--font-display); font-weight: 900;
  font-size: 29px; line-height: 1;
}
.spot .badge .lbl {
  position: relative; font-family: var(--font-data); font-size: 9.5px;
  letter-spacing: .18em; color: var(--signage-2); margin-top: 5px;
}
.spot h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 17.5px;
  margin: 0 0 7px; transition: color .15s ease;
}
.spot .access {
  font-family: var(--font-data); font-size: 12px; color: var(--steel);
  display: flex; flex-wrap: wrap; gap: 5px 8px;
}
.spot .access span {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--paper-2); border: 1px solid var(--line);
  padding: 2.5px 9px; border-radius: 99px;
}
.spot .access svg { width: 12px; height: 12px; flex: none; }

/* ---------- About（イラスト帯） ---------- */
.about-band { margin-top: 26px; }
.about-band .scene { display: block; width: 100%; height: auto; }
.about-body {
  background: var(--pine); color: #dfe3cd;
  padding: 0 0 46px;
}
.about-body .wrap { max-width: 780px; }
.about-body h2 {
  font-family: var(--font-display); font-weight: 900; font-size: 23px;
  color: var(--paper); margin: 0 0 16px;
}
.about-body p { margin: 0 0 14px; font-size: 15px; }
.about-stats { display: flex; gap: 34px; flex-wrap: wrap; margin-top: 26px; }
.about-stats .stat .n {
  font-family: var(--font-data); font-size: 30px; font-weight: 700; color: var(--paper);
}
.about-stats .stat .n b { color: var(--signage-2); }
.about-stats .stat .c { font-size: 12px; color: var(--sage); font-family: var(--font-data); letter-spacing: .06em; }

/* ---------- 記事 ---------- */
.article { padding: 44px 0 20px; }
.article .wrap { max-width: 760px; }
.breadcrumb {
  font-family: var(--font-data); font-size: 11.5px; color: var(--steel);
  margin-bottom: 22px;
}
.breadcrumb a { color: var(--steel); }
.article .kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-data); font-size: 11.5px; letter-spacing: .16em;
  color: var(--signage); text-transform: uppercase;
}
.article .kicker::before { content: ""; width: 20px; height: 1.5px; background: var(--signage); }
.article h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(24px, 4.6vw, 34px); line-height: 1.42; margin: 12px 0 18px;
}
.article .lead {
  font-size: 17px; color: var(--moss); margin: 0 0 28px; font-weight: 500;
}
.article-hero {
  border-radius: var(--radius); overflow: hidden; margin: 0 0 30px;
  border: 1px solid var(--line);
}
.article-hero svg { display: block; width: 100%; height: auto; }

.spec-box {
  border: 1px solid var(--line); border-left: 4px solid var(--signage);
  background: #fffdf6; border-radius: var(--radius);
  padding: 20px 22px; margin: 28px 0;
  box-shadow: 0 3px 14px rgba(22,49,31,.05);
}
.spec-box h4 {
  font-family: var(--font-data); font-size: 11px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--steel); margin: 0 0 12px;
}
.spec-box dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 20px; }
.spec-box dt { font-family: var(--font-data); font-size: 12px; color: var(--steel); padding-top: 2px; }
.spec-box dd { margin: 0; font-family: var(--font-data); font-size: 13.5px; }
.spec-box dd b { color: var(--signage); font-size: 15px; }

.article h2 {
  display: flex; align-items: baseline; gap: 12px;
  font-family: var(--font-display); font-weight: 900; font-size: 21px;
  margin: 42px 0 14px; padding-top: 22px; border-top: 1px solid var(--line);
}
.article h2 .num {
  font-family: var(--font-data); color: var(--signage); font-size: 14px;
  letter-spacing: .06em; flex: none;
}
.article p { margin: 0 0 17px; }
.article ul { padding-left: 1.3em; margin: 0 0 17px; }
.article li { margin-bottom: 8px; }
.article li::marker { color: var(--signage); }

.point-box {
  display: flex; gap: 13px; align-items: flex-start;
  background: var(--paper-2); border-radius: var(--radius);
  padding: 16px 18px; margin: 22px 0; font-size: 14.5px;
}
.point-box svg { width: 22px; height: 22px; flex: none; margin-top: 3px; }

.affiliate {
  border: 1.5px solid var(--moss); border-radius: var(--radius);
  background: linear-gradient(180deg, #fffdf6, var(--paper-2));
  padding: 24px 20px; margin: 34px 0; text-align: center;
  position: relative;
}
.affiliate::before {
  content: "GEAR CHECK";
  position: absolute; top: -9px; left: 18px;
  font-family: var(--font-data); font-size: 10px; letter-spacing: .18em;
  background: var(--moss); color: var(--paper); padding: 2px 10px; border-radius: 2px;
}
.affiliate .pname { font-family: var(--font-display); font-weight: 700; font-size: 16px; margin: 0 0 14px; }
.affiliate .btn-buy {
  display: inline-block; background: var(--signage); color: #221503;
  font-family: var(--font-display); font-weight: 700; font-size: 15.5px;
  text-decoration: none; padding: 14px 38px; border-radius: 3px;
  transition: background .15s ease, transform .15s ease;
}
.affiliate .btn-buy:hover { background: var(--signage-2); transform: translateY(-2px); }
.affiliate .note { font-size: 11.5px; color: var(--steel); margin: 12px 0 0; }

/* ---------- 開示・フッター ---------- */
.disclosure { font-size: 12px; color: var(--steel); background: var(--paper-2); border-top: 1px solid var(--line); }
.disclosure .wrap { padding: 15px 22px; }

.site-footer { background: var(--pine); color: #c9d2bd; font-size: 13.5px; }
.footer-scene { display: block; width: 100%; height: auto; background: var(--paper); }
.site-footer .inner { padding: 40px 0 34px; }
.site-footer a { color: var(--paper); text-decoration: none; }
.site-footer a:hover { color: var(--signage-2); }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 44px; margin-bottom: 26px; }
.site-footer h5 {
  font-family: var(--font-data); color: var(--signage-2); font-size: 10.5px;
  letter-spacing: .2em; margin: 0 0 10px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 7px; }
.site-footer .fine {
  font-family: var(--font-data); font-size: 11px; color: #7e8f78;
  border-top: 1px solid rgba(255,255,255,.13); padding-top: 18px;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 760px) {
  .card-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .routemap::before { left: 24px; }
  .station { padding-left: 56px; }
  .station-node { left: 12.5px; }
  .depart-board .wrap { gap: 4px 22px; }
  .nav a { padding: 6px 9px; font-size: 12.5px; }
}
@media (max-width: 520px) {
  .card-grid { grid-template-columns: 1fr; }
  .spot { grid-template-columns: 84px 1fr; gap: 14px; }
  .spot .badge { width: 84px; height: 84px; }
  .spot .badge .score { font-size: 24px; }
  .hero-copy .wrap { padding-top: 22px; }
  .brand .name { font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}