@charset "utf-8";
/* =========================================================
   登山遠征 / Mountain Trip Planner
   共通スタイル
   ========================================================= */

:root {
  color-scheme: light;
  --forest-900: #16301F;
  --forest-800: #1D3C28;
  --forest-700: #244B32;
  --forest-600: #2E6140;
  --forest-500: #3C7A52;
  --lime-500: #C6D98F;
  --lime-400: #D6E5AB;
  --lime-100: #EDF3DC;
  --lime-50: #F4F8EA;
  --ivory: #F5F3EA;
  --ivory-2: #FAF9F3;
  --paper: #FFFFFF;
  --line: #E3E0D2;
  --line-soft: #EFEDE3;
  --text: #1E241E;
  --text-2: #4A5148;
  --muted: #6F776C;
  --warn-bg: #FBF3E6;
  --warn-line: #E9D6B4;
  --warn-ink: #8A5F17;
  --info-bg: #EEF4F6;
  --info-line: #CFE0E5;
  --radius-s: 8px;
  --radius: 12px;
  --radius-l: 18px;
  --shadow-s: 0 1px 2px rgba(24, 40, 28, .05);
  --shadow: 0 2px 10px rgba(24, 40, 28, .06);
  --shadow-l: 0 10px 30px rgba(24, 40, 28, .10);
  --wrap: 1120px;
  --font: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", YuGothic, Meiryo, sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--ivory-2);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--forest-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.4; margin: 0; font-weight: 700; letter-spacing: .01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--forest-500); outline-offset: 2px; border-radius: 4px; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.wrap-wide { max-width: 1240px; }
.section { padding-block: 64px; }
.section-tight { padding-block: 44px; }
.stack-8 > * + * { margin-top: 8px; }
.stack-12 > * + * { margin-top: 12px; }
.stack-16 > * + * { margin-top: 16px; }
.stack-24 > * + * { margin-top: 24px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- type ---------- */
.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--forest-500);
}
.h-xl { font-size: clamp(30px, 5.2vw, 52px); line-height: 1.28; letter-spacing: -.01em; color: var(--forest-900); }
.h-l { font-size: clamp(24px, 3.4vw, 34px); color: var(--forest-900); }
.h-m { font-size: clamp(19px, 2.2vw, 23px); color: var(--forest-900); }
.h-s { font-size: 16px; }
.lead { color: var(--text-2); font-size: 15.5px; }
.small { font-size: 13px; color: var(--muted); line-height: 1.7; }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 10px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color .15s ease, border-color .15s ease, transform .05s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--forest-800); color: #fff; }
.btn-primary:hover { background: var(--forest-700); }
.btn-lime { background: var(--lime-500); color: var(--forest-900); }
.btn-lime:hover { background: var(--lime-400); }
.btn-ghost { background: var(--paper); color: var(--forest-800); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--forest-500); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 14px; border-radius: 8px; }
.btn .ico { flex: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
  display: flex; align-items: center; gap: 28px; min-height: 72px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--forest-900); font-weight: 700; font-size: 21px; }
.logo:hover { text-decoration: none; opacity: .85; }
.logo__mark { width: 34px; height: 34px; flex: none; }
.gnav { display: flex; gap: 26px; margin-left: 8px; }
.gnav a { color: var(--text); font-size: 14.5px; font-weight: 700; }
.gnav a:hover { color: var(--forest-600); text-decoration: none; }
.site-header__cta { margin-left: auto; }
.navtoggle { display: none; }

/* ---------- hero (top) ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ivory);
  border-bottom: 1px solid var(--line-soft);
}
.hero__topo {
  position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: url("../img/topo.svg");
  background-size: 760px auto;
}
.hero__inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: 40px; align-items: center; padding-block: 56px 44px;
}
.hero__copy { max-width: 560px; }
.hero__title { margin-top: 14px; }
.hero__desc { margin-top: 18px; color: var(--text-2); font-size: 16px; }
.hero__figure { position: relative; }
.hero__figure img { border-radius: var(--radius-l); box-shadow: var(--shadow-l); }
.hero__note { margin-top: 14px; display: flex; align-items: flex-start; gap: 8px; color: var(--muted); font-size: 13px; }
.hero__note .ico { margin-top: 3px; flex: none; }

/* search */
.searchbox {
  margin-top: 26px; display: flex; align-items: center; gap: 8px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 7px 7px 7px 16px; box-shadow: var(--shadow);
}
.searchbox .ico { flex: none; color: var(--forest-600); }
.searchbox input {
  flex: 1; min-width: 0; border: 0; background: transparent; font-size: 16px;
  padding: 12px 6px; color: var(--text); font-family: inherit;
}
.searchbox input:focus { outline: none; }
.searchbox .btn { flex: none; }
.search-panel {
  position: relative; margin-top: 10px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-l);
  padding: 8px; max-height: 340px; overflow-y: auto;
}
.search-panel[hidden] { display: none; }
.search-item { display: block; padding: 11px 12px; border-radius: 8px; color: var(--text); }
.search-item:hover, .search-item:focus { background: var(--lime-50); text-decoration: none; }
.search-item__hit {
  display: inline-block; margin-bottom: 3px; padding: 2px 8px; border-radius: 6px;
  background: var(--forest-700); color: #fff; font-size: 11.5px; font-weight: 800;
}
.search-item__name { display: block; font-weight: 700; }
.search-item__meta { display: block; font-size: 12.5px; color: var(--muted); }
.search-item--disabled { color: var(--muted); cursor: default; }
.search-empty { padding: 14px 12px; color: var(--muted); font-size: 14px; }

/* ---------- route cards (4導線) ---------- */
.routegrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.routecard {
  display: flex; align-items: center; gap: 14px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
  color: var(--text); box-shadow: var(--shadow-s); transition: border-color .15s ease, box-shadow .15s ease;
}
.routecard:hover { border-color: var(--forest-500); box-shadow: var(--shadow); text-decoration: none; }
.routecard__icon {
  width: 46px; height: 46px; flex: none; border-radius: 50%;
  background: var(--lime-100); color: var(--forest-700);
  display: grid; place-items: center;
}
.routecard__body { min-width: 0; display: block; }
.routecard__title { display: block; font-weight: 700; font-size: 15.5px; }
.routecard__sub { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.routecard__arrow { margin-left: auto; color: var(--forest-500); flex: none; }

/* ---------- trailhead cards ---------- */
.thgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.thcard {
  position: relative; display: block; border-radius: var(--radius-l); overflow: hidden;
  background: var(--forest-900); color: #fff; box-shadow: var(--shadow);
  min-height: 300px; isolation: isolate;
}
.thcard:hover { text-decoration: none; }
.thcard:hover .thcard__img { transform: scale(1.03); }
.thcard__img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease; z-index: -2;
}
.thcard::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(12, 26, 16, 0) 22%, rgba(12, 26, 16, .5) 58%, rgba(12, 26, 16, .92) 100%);
}
.thcard__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 20px; }
/* 登山口名より先に「どの山か」を読ませる */
.thcard__mountains {
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 8px;
  background: var(--lime-400); color: var(--forest-900);
  border-radius: 8px; padding: 5px 11px; font-size: 14px; font-weight: 800;
  letter-spacing: .01em; line-height: 1.3;
}
.thcard__mountains svg { flex: none; }
.thcard__name { display: block; font-size: 24px; font-weight: 700; line-height: 1.25; }
.thcard__suffix { font-size: 14px; font-weight: 600; opacity: .78; margin-left: 3px; }
.thcard__meta { display: block; font-size: 12.5px; color: rgba(255, 255, 255, .82); margin-top: 4px; }
.thcard__chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* ---------- 山名索引 ---------- */
.mtngrid { margin-top: 26px; }
.mtngroup + .mtngroup { margin-top: 26px; }
.mtngroup__head {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 13px; font-weight: 800; letter-spacing: .04em; color: var(--forest-700);
  padding-bottom: 8px; border-bottom: 2px solid var(--forest-700); margin: 0;
}
.mtngroup__count { margin-left: auto; font-size: 11.5px; font-weight: 700; color: var(--ink-600); letter-spacing: 0; }
.mtnlist {
  list-style: none; margin: 0; padding: 0;
  columns: 300px 3; column-gap: 40px;
}
.mtnitem {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 14px;
  padding: 9px 2px; border-bottom: 1px solid var(--line-soft);
  break-inside: avoid; -webkit-column-break-inside: avoid;
}
.mtnitem__name {
  flex: none; min-width: 7.5em; font-size: 16px; font-weight: 700; color: var(--forest-900);
}
.mtnitem__routes { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; font-size: 13.5px; }
.mtnitem__routes a { color: var(--ink-600); text-decoration: none; border-bottom: 1px solid var(--line); }
.mtnitem__routes a:hover { color: var(--forest-700); border-bottom-color: var(--forest-700); }
.mtnlist__sep { color: var(--line); }
@media (max-width: 620px) {
  .mtnlist { columns: auto; }
  .mtnitem { padding: 10px 2px; }
  .mtnitem__name { min-width: 6.5em; font-size: 15.5px; }
}
}
.chip {
  display: inline-block; padding: 5px 11px; border-radius: 999px; font-size: 12.5px;
  background: #FFFFFF; color: var(--forest-900); font-weight: 700;
  border: 1px solid rgba(22, 48, 31, .12);
}
/* 通行止め・規制・悪路など、行く前に知らないと困る条件。アクセントの黄緑とは別の色で出す。 */
.chip--warn {
  background: #E8600F; color: #FFFFFF; border-color: #C24E09;
  font-weight: 800; padding-left: 9px;
}
.chip--warn::before {
  content: "!"; display: inline-grid; place-items: center;
  width: 14px; height: 14px; margin-right: 5px; vertical-align: -2px;
  border-radius: 50%; background: #FFFFFF; color: #C24E09; font-size: 10px; font-weight: 900;
}
.chip--muted { background: rgba(12, 26, 16, .62); color: #fff; border-color: rgba(255, 255, 255, .38); }

/* ---------- why / stepper ---------- */
.why { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr); gap: 44px; align-items: start; }
.why__points { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.point { text-align: center; }
.point__icon { width: 44px; height: 44px; margin: 0 auto 8px; color: var(--forest-700); }
.point__title { font-size: 13.5px; font-weight: 700; }
.point__sub { font-size: 12px; color: var(--muted); line-height: 1.6; }

.stepper { position: relative; }
.step { display: grid; grid-template-columns: 34px 52px minmax(0, 1fr); gap: 12px; align-items: center; }
.step + .step { margin-top: 10px; }
.step__num {
  width: 30px; height: 30px; border-radius: 50%; background: var(--forest-700); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; position: relative;
}
.step__num::after {
  content: ""; position: absolute; top: 30px; left: 50%; width: 0; height: 22px;
  border-left: 2px dashed var(--line); transform: translateX(-50%);
}
.step:last-child .step__num::after { display: none; }
.step__icon {
  width: 46px; height: 46px; border-radius: 50%; background: var(--paper);
  border: 1px solid var(--line); display: grid; place-items: center; color: var(--forest-700);
}
.step__body { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }
.step__title { display: block; font-weight: 700; font-size: 15px; }
.step__sub { display: block; font-size: 12.5px; color: var(--muted); }

/* ---------- calculator ---------- */
.calc {
  background: var(--lime-50); border: 1px solid var(--lime-100); border-radius: var(--radius-l);
  padding: 26px; display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 20px; align-items: start;
}
.calc__icon { width: 64px; height: 64px; border-radius: 50%; background: var(--paper); border: 1px solid var(--lime-100); display: grid; place-items: center; color: var(--forest-700); }
.calc__form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)) auto; gap: 12px; margin-top: 18px; align-items: end; }
.field { display: block; }
.field__label { display: block; font-size: 12.5px; font-weight: 700; color: var(--text-2); margin-bottom: 6px; }
.field input, .field select {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--paper); font-size: 15px; font-family: inherit; color: var(--text);
}
.field input:focus, .field select:focus { outline: none; border-color: var(--forest-500); }
.calc__result {
  margin-top: 16px; background: var(--paper); border: 1px dashed var(--line);
  border-radius: var(--radius); padding: 16px;
}
.calc__result[hidden] { display: none; }

/* ---------- notice / callout ---------- */
.callout {
  display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--radius);
  background: var(--info-bg); border: 1px solid var(--info-line); font-size: 13.5px; line-height: 1.75;
}
.callout .ico { flex: none; margin-top: 3px; }
.callout--warn { background: var(--warn-bg); border-color: var(--warn-line); }
.callout--warn .ico { color: var(--warn-ink); }
.callout__title { font-weight: 700; display: block; }
.callout__body { display: block; }
.callout__body { color: var(--text-2); }

/* ---------- badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px;
  font-size: 12px; font-weight: 700; background: var(--lime-100); color: var(--forest-800);
}
.badge--verified { background: var(--paper); border: 1px solid var(--line); color: var(--forest-700); }
.badge--verified .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--forest-500); }
.badge--unknown { background: var(--warn-bg); color: var(--warn-ink); border: 1px solid var(--warn-line); }
.badge--review { background: #F1F0E8; color: var(--muted); border: 1px solid var(--line); }
.unknown-text { color: var(--muted); font-weight: 700; font-size: 13px; }

/* =========================================================
   detail page
   ========================================================= */
.breadcrumb { font-size: 12.5px; color: var(--muted); padding-block: 14px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li::after { content: "›"; margin-left: 6px; color: var(--line); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--muted); }

.thhero { position: relative; border-radius: var(--radius-l); overflow: hidden; background: var(--forest-900); color: #fff; }
.thhero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.thhero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(12, 26, 16, .9) 0%, rgba(12, 26, 16, .68) 48%, rgba(12, 26, 16, .22) 100%);
}
.thhero__body { position: relative; z-index: 1; padding: 40px; max-width: 640px; }
.thhero__latin { font-size: 12px; letter-spacing: .16em; color: rgba(255, 255, 255, .78); font-weight: 700; }
.thhero__name { font-size: clamp(32px, 5vw, 46px); margin-top: 6px; }
.thhero__lead { margin-top: 14px; color: rgba(255, 255, 255, .9); font-size: 15px; }
.thhero__verified { position: absolute; z-index: 1; top: 20px; right: 20px; background: rgba(255, 255, 255, .94); }

.statgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 20px; }
.stat {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: flex; gap: 14px; align-items: center; box-shadow: var(--shadow-s);
}
.stat__icon { width: 40px; height: 40px; flex: none; color: var(--forest-600); }
.stat__label { display: block; font-size: 12px; color: var(--muted); }
.stat__value { display: block; font-size: 21px; font-weight: 700; color: var(--forest-900); line-height: 1.3; }

.secnav {
  position: sticky; top: 72px; z-index: 20; margin-top: 26px; padding-block: 12px;
  background: linear-gradient(180deg, var(--ivory-2) 72%, rgba(250, 249, 243, 0));
}
.secnav__list { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.secnav__list::-webkit-scrollbar { display: none; }
.secnav a {
  flex: none; padding: 8px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 700;
  background: var(--paper); border: 1px solid var(--line); color: var(--text-2);
}
.secnav a:hover { text-decoration: none; border-color: var(--forest-500); }
.secnav a.is-active { background: var(--forest-800); border-color: var(--forest-800); color: #fff; }

.detail { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; padding-bottom: 72px; }

.block {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-l);
  overflow: hidden; box-shadow: var(--shadow-s);
}
.block + .block { margin-top: 16px; }
.block__inner {
  display: grid; grid-template-columns: 205px minmax(0, 1fr);
  background: linear-gradient(90deg, var(--ivory-2) 0 204px, var(--line-soft) 204px 205px, var(--paper) 205px);
}
.block__head { padding: 22px; background: transparent; position: sticky; top: 132px; align-self: start; }
.block__letter {
  width: 26px; height: 26px; border-radius: 7px; background: var(--forest-800); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; margin-bottom: 10px;
}
.block__latin { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--forest-500); font-weight: 700; }
.block__title { font-size: 20px; margin-top: 2px; color: var(--forest-900); }
.block__lead { margin-top: 10px; font-size: 13px; color: var(--muted); line-height: 1.75; }
.block__body { padding: 22px; }

/* key-value */
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.kv--3 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.kv__item { background: var(--ivory-2); border: 1px solid var(--line-soft); border-radius: 10px; padding: 12px 14px; }
.kv__label { font-size: 12px; color: var(--muted); }
.kv__value { font-size: 15px; font-weight: 700; color: var(--forest-900); margin-top: 2px; }
.kv__note { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; line-height: 1.6; }
.kv__item--unknown { background: var(--paper); border-style: dashed; }

/* lodging card */
.lodging { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.lodging__top { display: block; }
.lodging__img { width: 100%; height: 190px; object-fit: cover; background: var(--ivory); }
.lodging__main { padding: 18px; }
.lodging__name { font-size: 19px; }
.lodging__meta { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.pricerow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.price {
  background: var(--lime-50); border: 1px solid var(--lime-100); border-radius: 9px;
  padding: 8px 12px; min-width: 118px; flex: 0 0 auto;
}
.price__label { font-size: 11.5px; color: var(--muted); }
.price__value { font-weight: 700; color: var(--forest-900); }

.featurelist { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; margin-top: 14px; }
.feature { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; padding: 8px 10px; border-radius: 8px; background: var(--ivory-2); }
.feature .ico { flex: none; margin-top: 2px; }
.feature--yes .ico { color: var(--forest-600); }
.feature--unknown { background: var(--paper); border: 1px dashed var(--line); color: var(--muted); }
.feature--conditional { background: var(--warn-bg); border: 1px solid var(--warn-line); }
.feature--conditional .ico { color: var(--warn-ink); }
.feature__tag {
  display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: 999px;
  background: var(--warn-ink); color: #fff; font-size: 10.5px; vertical-align: 1px;
}
.feature__label { display: block; font-weight: 700; color: var(--text); }
.feature--unknown .feature__label { color: var(--text-2); font-weight: 700; }
.feature__value { display: block; font-size: 12.5px; color: var(--muted); }

.ctarow { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.ctarow .btn { flex: 1 1 220px; }
.ctanote { font-size: 11.5px; color: var(--muted); margin-top: 8px; }

/* facility */
.facility { display: grid; grid-template-columns: 150px minmax(0, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.facility + .facility { margin-top: 12px; }
.facility__img { width: 100%; height: 100%; min-height: 140px; object-fit: cover; background: var(--ivory); }
.facility__body { padding: 14px 16px; }
.facility__name { font-size: 16.5px; }
.facility__meta { font-size: 12.5px; color: var(--muted); }
.facility__fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px; margin-top: 10px; }
.facility__field { background: var(--ivory-2); border-radius: 8px; padding: 7px 11px; font-size: 12.5px; }
.facility__field b { display: block; font-size: 11px; color: var(--muted); font-weight: 700; }

/* gear */
.gearblock { margin-top: 18px; border-top: 1px solid var(--line-soft); padding-top: 18px; }
.gearblock__title { font-size: 15px; }
.gearblock__lead { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.geargrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-top: 14px; }
.gear { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; background: var(--paper); display: flex; flex-direction: column; }
.gear__name { font-size: 14.5px; font-weight: 700; }
.gear__why { font-size: 12.5px; color: var(--muted); margin-top: 6px; line-height: 1.7; flex: 1; }
.gear__links { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.gear__links .btn { padding: 9px 12px; font-size: 13px; white-space: nowrap; }
.gear__links .btn { width: 100%; }

/* sources */
.sourcelist { counter-reset: src; }
.sourceitem { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-top: 1px solid var(--line-soft); }
.sourceitem:first-child { border-top: 0; padding-top: 0; }
.sourceitem__num { width: 24px; height: 24px; border-radius: 50%; background: var(--lime-100); color: var(--forest-800); display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.sourceitem__name { display: inline-flex; align-items: center; gap: 5px; font-weight: 700; font-size: 14.5px; }
.sourceitem__meta { display: block; font-size: 12px; color: var(--muted); }

/* sidebar */
.sidebar { position: sticky; top: 140px; display: grid; gap: 16px; }
.side {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 18px; box-shadow: var(--shadow-s);
}
.side__title { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.side__list { margin-top: 12px; display: grid; gap: 9px; }
.side__list li { display: flex; gap: 9px; font-size: 13.5px; line-height: 1.65; }
.side__list .ico { flex: none; margin-top: 3px; color: var(--forest-500); }
.side--cta { background: var(--lime-50); border-color: var(--lime-100); }

/* mobile sticky cta */
.mobilecta { display: none; }

/* ---------- footer ---------- */
.site-footer { background: var(--forest-900); color: rgba(255, 255, 255, .85); padding-block: 34px 30px; }
.site-footer a { color: rgba(255, 255, 255, .85); }
.site-footer__top { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 26px; }
.site-footer__logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 19px; }
.site-footer__tag { font-size: 13px; color: rgba(255, 255, 255, .7); }
.footnav { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-size: 13px; }
.site-footer__note {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .16);
  font-size: 12px; color: rgba(255, 255, 255, .62); line-height: 1.8;
}
.proto-tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px;
  border: 1px solid rgba(255, 255, 255, .3); color: rgba(255, 255, 255, .8);
}

.photocredit {
  margin: 6px 18px 0; font-size: 11.5px; color: var(--muted);
}
.photocredit a { color: var(--muted); text-decoration: underline; }
.lodging picture, .facility picture, .thhero picture, .thcard picture { display: block; height: 100%; }
.thcard picture { position: absolute; inset: 0; z-index: -2; }
.thhero picture { position: absolute; inset: 0; }

.credits {
  margin-top: 16px; padding: 18px 22px; border: 1px solid var(--line-soft);
  border-radius: var(--radius-l); background: var(--ivory-2);
}
.credits__title { font-size: 13px; color: var(--text-2); }
.credits__list { margin-top: 8px; display: grid; gap: 5px; }
.credits__list li { font-size: 11.5px; color: var(--muted); line-height: 1.7; }
.credits__list a { color: var(--muted); text-decoration: underline; }

/* 出典の番号参照 */
.ref {
  display: inline-grid; place-items: center; min-width: 17px; height: 17px;
  margin-left: 5px; padding: 0 4px; border-radius: 5px; vertical-align: 3px;
  background: var(--lime-100); color: var(--forest-700);
  font-size: 10.5px; font-weight: 700; line-height: 1; text-decoration: none;
  font-variant-numeric: tabular-nums;
}
.ref:hover { background: var(--lime-500); text-decoration: none; }
.sourceitem:target { background: var(--lime-50); border-radius: 8px; }

.upcoming {
  margin-top: 28px; padding: 20px 22px; border: 1px solid var(--line-soft);
  border-radius: var(--radius-l); background: var(--paper);
}
.upcoming__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; margin-top: 12px; }
.upcoming__list li {
  padding: 9px 12px; border-radius: 9px; border: 1px dashed var(--line);
  background: var(--ivory-2);
}
.upcoming__list b { display: block; font-size: 14px; color: var(--text-2); }
.upcoming__list span { display: block; font-size: 11.5px; color: var(--muted); }

/* ---------- skip link ---------- */
.skiplink {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--forest-800); color: #fff; padding: 10px 16px;
  border-radius: 0 0 10px 10px; font-size: 14px; font-weight: 700;
  transition: top .15s ease;
}
.skiplink:focus { top: 0; text-decoration: none; }

/* ---------- related trailheads ---------- */
.related {
  margin-top: 16px; background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 22px; box-shadow: var(--shadow-s);
}
.relatedlist { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; margin-top: 14px; }
.relatedlist li > * {
  display: block; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--line-soft);
  background: var(--ivory-2); color: var(--text);
}
.relatedlist a:hover { border-color: var(--forest-500); text-decoration: none; }
.relatedlist b { display: block; font-size: 14.5px; }
.relatedlist span { display: block; font-size: 12px; color: var(--muted); }
.related--soon { border-style: dashed !important; background: var(--paper) !important; color: var(--muted) !important; }
.related--soon b { color: var(--text-2); }

/* ---------- responsive ---------- */
@media (max-width: 1040px) {
  .detail { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .routegrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .thgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .statgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: minmax(0, 1fr); padding-block: 36px 32px; }
  .hero__figure { order: -1; }
  .gnav, .site-header__cta { display: none; }
  .navtoggle {
    display: inline-grid; place-items: center; margin-left: auto; width: 44px; height: 44px;
    border: 1px solid var(--line); border-radius: 10px; background: var(--paper); cursor: pointer;
  }
  .site-header.is-open .gnav {
    display: grid; position: absolute; left: 0; right: 0; top: 100%; gap: 2px;
    background: var(--paper); border-bottom: 1px solid var(--line); padding: 12px 20px 18px;
  }
  .site-header.is-open .gnav a { padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
  .site-header { position: sticky; }
  .site-header__inner { position: relative; }
  .block__inner { grid-template-columns: minmax(0, 1fr); background: var(--paper); }
  .block__head { position: static; background: var(--ivory-2); border-bottom: 1px solid var(--line-soft); }
  .secnav { top: 72px; }
  .thhero__body { padding: 26px 22px; }
  .thhero__verified { position: static; margin: 0 22px; display: inline-flex; }
  .lodging__top { grid-template-columns: minmax(0, 1fr); }
  .lodging__img { height: 180px; }
  .facility { grid-template-columns: minmax(0, 1fr); }
  .facility__img { height: 150px; }
  .geargrid { grid-template-columns: minmax(0, 1fr); }
  .calc { grid-template-columns: minmax(0, 1fr); }
  .calc__icon { display: none; }
  .calc__form { grid-template-columns: minmax(0, 1fr); }
  .why__points { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding-block: 44px; }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .routegrid, .thgrid, .statgrid, .kv, .kv--3, .featurelist, .sidebar { grid-template-columns: minmax(0, 1fr); }
  .searchbox { flex-wrap: wrap; padding: 10px; }
  .searchbox input { width: 100%; flex-basis: 100%; }
  .searchbox .btn { width: 100%; }
  .step { grid-template-columns: 26px 40px minmax(0, 1fr); gap: 8px; }
  .step__icon { width: 40px; height: 40px; }
  .thhero__body { padding: 22px 18px; }
  .block__body, .block__head { padding: 18px; }
  .ctarow .btn { flex-basis: 100%; }
  .mobilecta {
    display: flex; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .96); border-top: 1px solid var(--line);
    backdrop-filter: blur(8px);
  }
  .mobilecta .btn { flex: 1; padding-block: 12px; }
  .has-mobilecta { padding-bottom: 84px; }
}

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

@media print {
  .site-header, .secnav, .mobilecta, .site-footer { display: none; }
}