/* =========================================================
   聖域の岬 -Sanctuary Cape- メインスタイルシート
   設計方針：モバイルファースト（基本＝スマホ）→ 768px → 1024px → 1400px
   配色： 深藍(#0B2434) / 潮青(#2E7C8C) / 黎明金(#E8A94C) / 白亜(#F5F2EA) / 玄武岩灰(#3B3F42)
   ========================================================= */

:root{
  --c-indigo: #0b2434;
  --c-indigo-deep: #071a26;
  --c-tide: #2e7c8c;
  --c-tide-light: #6fb3bf;
  --c-gold: #e8a94c;
  --c-gold-deep: #c98a2f;
  --c-paper: #f5f2ea;
  --c-paper-dim: #ece7da;
  --c-basalt: #3b3f42;
  --c-basalt-soft: #6b7076;
  --c-white: #ffffff;

  --font-display-ja: 'Shippori Mincho', serif;
  --font-display-en: 'Cormorant Garamond', serif;
  --font-body-ja: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-body-en: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 1160px;
  --gutter: 20px;
  --radius-s: 4px;
  --radius-m: 10px;
  --ease: cubic-bezier(.22,.68,.36,1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--c-paper);
  color: var(--c-basalt);
  font-family: var(--font-body-ja);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; height:auto; }
a{ color: inherit; text-decoration:none; touch-action: manipulation; }
ul, ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p,dl,dd,figure{ margin:0; }
button{
  font-family:inherit; background:none; border:none; cursor:pointer; color:inherit;
  /* iOSでのダブルタップズーム待機によるタップ遅延・反応不良を防ぐ */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  /* iOS Safariはbutton要素にデフォルトの丸み等が付与される場合があるためリセット */
  -webkit-appearance: none;
  appearance: none;
}
input, textarea{ font-family:inherit; }
.container{ max-width: var(--container); margin:0 auto; padding:0 var(--gutter); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

.screen-reader-text{
  position:absolute !important;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(1px,1px,1px,1px);
  white-space:nowrap;
}
.skip-link{
  position:absolute; left:0; top:-60px; z-index:10000;
  background: var(--c-indigo); color:#fff; padding:12px 18px;
  transition: top .2s var(--ease);
}
.skip-link:focus{ top:0; }

:focus-visible{
  outline: 3px solid var(--c-gold);
  outline-offset: 2px;
}

/* ---------- 言語切替の仕組み ----------
   html.snm-lang-ja  → .lang-en を隠す
   html.snm-lang-en  → .lang-ja を隠す
   JSが読み込まれるまでは body class（snm-lang-ja / snm-lang-en）で初期表示を決定
*/
html.snm-lang-ja .lang-en,
body.snm-lang-ja .lang-en{ display:none !important; }
html.snm-lang-en .lang-ja,
body.snm-lang-en .lang-ja{ display:none !important; }

.snm-i18n .lang-ja,
.snm-i18n .lang-en{ display:block; }
span.lang-ja, span.lang-en{ display:inline; }

[lang="en"]{ font-family: var(--font-body-en); }

/* ---------- タイポグラフィ共通 ---------- */
.snm-eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-tide);
  margin-bottom: 10px;
}
.snm-eyebrow--light{ color: var(--c-gold); }
.snm-eyebrow--small{ font-size:11px; margin-bottom:6px; }

.snm-section__title{
  font-family: var(--font-display-ja);
  font-weight: 600;
  font-size: clamp(28px, 6vw, 42px);
  color: var(--c-indigo);
  line-height: 1.4;
  margin-bottom: 18px;
}
.snm-section__title [lang="en"]{ font-family: var(--font-display-en); font-style: italic; font-weight:600; }
.snm-section__title .lang-en{ display:block; margin-top:4px; font-size:.62em; letter-spacing:.02em; color: var(--c-tide); }
html.snm-lang-en .snm-section__title,
body.snm-lang-en .snm-section__title{ font-family: var(--font-display-en); }

.snm-section__lead{
  max-width: 640px;
  color: var(--c-basalt-soft);
  font-size: 15.5px;
  margin-bottom: 8px;
}
.snm-section__head{ margin-bottom: 40px; }

.snm-admin-hint{
  margin-top: 24px;
  padding: 14px 16px;
  background: rgba(46,124,140,.08);
  border: 1px dashed var(--c-tide);
  border-radius: var(--radius-s);
  font-size: 13px;
  color: var(--c-basalt-soft);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: .04em;
  font-weight: 600;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn--primary{
  background: var(--c-gold);
  color: var(--c-indigo-deep);
  box-shadow: 0 10px 26px rgba(232,169,76,.35);
}
.btn--primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 30px rgba(232,169,76,.45); }
.btn--outline{
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.6);
}
.btn--outline:hover{ background:#fff; color: var(--c-indigo-deep); }

/* ---------- セクション共通 ---------- */
.snm-section{ padding: 72px 0; position: relative; }
.snm-section + .snm-section{ border-top: 1px solid rgba(59,63,66,.08); }

/* =========================================================
   ヘッダー
   ========================================================= */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  padding: 14px 0;
  transition: background .3s var(--ease), padding .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(to bottom, rgba(11,36,52,.65), rgba(11,36,52,0));
  z-index:-1;
  transition: opacity .3s var(--ease);
}
.site-header.is-scrolled{
  background: rgba(11,36,52,.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 10px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.site-header.is-scrolled::before{ opacity:0; }

.site-header__inner{
  max-width: var(--container);
  margin:0 auto;
  padding: 0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
}
.site-header__brand{
  display:flex; align-items:center; gap:10px;
  color:#fff;
}
.site-header__mark{
  font-family: var(--font-display-ja);
  font-size: 22px;
  width:36px; height:36px;
  border:1px solid rgba(255,255,255,.5);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.site-header__name{ font-family: var(--font-display-ja); font-size:16px; letter-spacing:.04em; }
.custom-logo{ max-height:44px; width:auto; }

.site-header__nav{
  position: fixed;
  top:0; right:-100%;
  width: min(84vw, 340px);
  height: 100vh;
  background: var(--c-indigo-deep);
  padding: 100px 30px 40px;
  transition: right .35s var(--ease);
  overflow-y:auto;
}
.site-header__nav.is-open{ right:0; }
.snm-anchor-nav{ display:flex; flex-direction:column; gap: 4px; }
.snm-anchor-nav a{
  display:block;
  color:#fff;
  padding: 14px 4px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: 15px;
  letter-spacing: .04em;
}
.snm-anchor-nav .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; color: var(--c-tide-light); font-size:12px; margin-top:2px; }
html.snm-lang-en .snm-anchor-nav .lang-en{ display:block; }

.site-header__tools{ display:flex; align-items:center; gap: 10px; position:relative; z-index: 2; }

.lang-switch{
  display:flex; align-items:center; gap:6px;
  color:#fff;
  border:1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  position: relative;
  z-index: 1;
}
.lang-switch__opt{ opacity:.5; transition: opacity .2s var(--ease), color .2s var(--ease); pointer-events: none; }
.lang-switch__opt.is-active{ opacity:1; color: var(--c-gold); }
.lang-switch__divider{ opacity:.4; pointer-events: none; }

.menu-toggle{
  width: 40px; height:40px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:5px;
  position: relative;
  z-index: 600;
}
.menu-toggle__bar{
  width: 22px; height:2px; background:#fff; border-radius:2px;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
  pointer-events: none;
}
.menu-toggle.is-active .menu-toggle__bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-active .menu-toggle__bar:nth-child(2){ opacity:0; }
.menu-toggle.is-active .menu-toggle__bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.nav-scrim{
  position:fixed; inset:0; background: rgba(7,26,38,.5);
  opacity:0; visibility:hidden; transition: opacity .3s var(--ease);
  z-index: 400;
}
.nav-scrim.is-open{ opacity:1; visibility:visible; }

/* =========================================================
   ヒーロー
   ========================================================= */
.snm-hero{
  position: relative;
  min-height: 100vh; /* Safari 15.3以前など svh 未対応環境向けフォールバック */
  min-height: 100svh;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  color:#fff;
  overflow:hidden;
}
.snm-hero__media{ position:absolute; inset:0; z-index:0; }
.snm-hero__video{
  width:100%; height:100%; object-fit:cover;
  transform: scale(1.02);
}
.snm-hero__scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(to top, rgba(7,20,30,.92) 0%, rgba(7,20,30,.45) 45%, rgba(7,20,30,.25) 70%, rgba(7,20,30,.55) 100%);
}
.snm-hero__content{
  position:relative; z-index:2;
  padding: 0 var(--gutter) 64px;
  max-width: 760px;
}
.snm-hero__title{
  font-family: var(--font-display-ja);
  font-weight: 800;
  font-size: clamp(46px, 15vw, 96px);
  line-height: 1;
  margin: 4px 0 18px;
  letter-spacing: .02em;
}
.snm-hero__title .lang-en{
  display:block;
  font-family: var(--font-display-en);
  font-style: italic;
  font-weight:600;
  font-size:.34em;
  color: var(--c-gold);
  letter-spacing:.06em;
  margin-top: 10px;
}
.snm-hero__subtitle{
  font-size: 15.5px;
  color: var(--c-tide-light);
  margin-bottom: 14px;
  line-height:1.6;
}
.snm-hero__lead{
  font-size: 14.5px;
  color: rgba(255,255,255,.82);
  max-width: 46ch;
  margin-bottom: 30px;
}
.snm-hero__actions{ margin-bottom: 34px; }
.snm-hero__coords{
  display:flex; flex-direction:column; gap:2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255,255,255,.6);
  border-left: 2px solid var(--c-gold);
  padding-left: 12px;
}
.snm-hero__scroll{
  position:absolute; right: 22px; bottom: 26px; z-index:2;
  width: 1px; height: 60px;
  background: rgba(255,255,255,.35);
}
.snm-hero__scroll-line{
  position:absolute; top:0; left:-1px; width:3px; height: 22px;
  background: var(--c-gold);
  animation: snmScrollLine 2.2s var(--ease) infinite;
}
@keyframes snmScrollLine{
  0%{ transform: translateY(0); opacity:1; }
  90%{ opacity:1; }
  100%{ transform: translateY(40px); opacity:0; }
}

/* =========================================================
   ⓪ お知らせ（ヒーロー直下）
   ========================================================= */
.snm-news{ background: var(--c-paper); padding-top: 56px; padding-bottom: 56px; }
.snm-news__list{ display:flex; flex-direction:column; gap: 2px; }
.snm-news__item{ border-bottom: 1px solid rgba(59,63,66,.1); }
.snm-news__item:first-child{ border-top: 1px solid rgba(59,63,66,.1); }
.snm-news__link{
  display:flex;
  align-items:center;
  gap: 16px;
  padding: 16px 4px;
  transition: background .2s var(--ease);
}
a.snm-news__link:hover{ background: rgba(46,124,140,.06); }
.snm-news__thumb{
  flex: 0 0 84px;
  width: 84px; height: 64px;
  border-radius: var(--radius-s);
  overflow:hidden;
}
.snm-news__thumb img{ width:100%; height:100%; object-fit:cover; }
.snm-news__body{ flex:1; min-width:0; display:flex; flex-direction:column; gap:3px; }
.snm-news__date{ font-family: var(--font-mono); font-size: 11.5px; color: var(--c-tide); letter-spacing:.03em; }
.snm-news__title{
  font-size: 14.5px;
  font-weight:600;
  color: var(--c-indigo);
  line-height:1.5;
}
.snm-news__title .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; font-size:.85em; color: var(--c-tide); margin-top:1px; }
.snm-news__excerpt{
  font-size: 12.5px;
  color: var(--c-basalt-soft);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* =========================================================
   ① 岬について
   ========================================================= */
.snm-about{ background: var(--c-paper); }
.snm-about__grid{ display:flex; flex-direction:column; gap: 34px; }
.snm-about__body{ color: var(--c-basalt-soft); font-size: 15.5px; }
.snm-about__body p{ margin-bottom: 1em; }
.snm-about__media{
  display:grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 12px;
  height: 320px;
}
.snm-about__figure{ overflow:hidden; border-radius: var(--radius-m); }
.snm-about__figure img{ width:100%; height:100%; object-fit:cover; transition: transform .6s var(--ease); }
.snm-about__figure:hover img{ transform: scale(1.06); }
.snm-about__figure--2{ margin-top: 34px; }

/* =========================================================
   ② 見どころ
   ========================================================= */
.snm-highlights{ background: var(--c-paper-dim); }
.snm-highlights__grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
.snm-highlight-card{
  background:#fff;
  border-radius: var(--radius-m);
  overflow:hidden;
  box-shadow: 0 10px 30px rgba(11,36,52,.06);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.snm-highlight-card:hover{ transform: translateY(-4px); box-shadow: 0 16px 36px rgba(11,36,52,.12); }
.snm-highlight-card__media{ display:block; aspect-ratio: 4/3; overflow:hidden; }
.snm-highlight-card__media img{ width:100%; height:100%; object-fit:cover; transition: transform .5s var(--ease); }
.snm-highlight-card:hover .snm-highlight-card__media img{ transform: scale(1.05); }
.snm-highlight-card__body{ padding: 20px 22px 24px; }
.snm-highlight-card__title{
  font-family: var(--font-display-ja);
  font-size: 21px;
  color: var(--c-indigo);
  margin-bottom: 10px;
}
.snm-highlight-card__title .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; font-size:.66em; color: var(--c-tide); margin-top:2px; }
.snm-highlight-card__text{ font-size: 14px; color: var(--c-basalt-soft); }

/* =========================================================
   ③ 散策コースガイド（メインコンテンツ）
   ========================================================= */
.snm-course{ background: var(--c-paper); }
.snm-course__badges{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 20px;
}
.snm-course__badges li{
  display:flex; flex-direction:column; gap:2px;
  padding: 10px 16px;
  background:#fff;
  border: 1px solid rgba(46,124,140,.25);
  border-radius: var(--radius-s);
  min-width: 118px;
}
.snm-course__badge-label{ font-family: var(--font-mono); font-size:10.5px; letter-spacing:.06em; color: var(--c-tide); text-transform:uppercase; }
.snm-course__badge-value{ font-size: 14px; font-weight:600; color: var(--c-indigo); }

.snm-course__timeline{
  position: relative;
  margin-top: 50px;
  padding-left: 34px;
  border-left: 2px solid rgba(46,124,140,.25);
}
.snm-course__stop{ position:relative; padding-bottom: 46px; }
.snm-course__stop:last-child{ padding-bottom:0; }
.snm-course__marker{
  position:absolute;
  left: -34px; top:0;
  transform: translateX(-50%);
  width: 46px; height:46px;
  border-radius:50%;
  background: var(--c-indigo);
  color: var(--c-gold);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight:600;
  box-shadow: 0 0 0 6px var(--c-paper);
}
.snm-course__card{
  background:#fff;
  border-radius: var(--radius-m);
  overflow:hidden;
  box-shadow: 0 10px 30px rgba(11,36,52,.06);
  margin-left: 4px;
}
.snm-course__media{ display:block; aspect-ratio: 16/9; overflow:hidden; }
.snm-course__media img{ width:100%; height:100%; object-fit:cover; transition: transform .5s var(--ease); }
.snm-course__card:hover .snm-course__media img{ transform: scale(1.04); }
.snm-course__body{ padding: 20px 22px 26px; }
.snm-course__title{
  font-family: var(--font-display-ja);
  font-size: 22px;
  color: var(--c-indigo);
  margin-bottom: 8px;
}
.snm-course__title .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; font-size:.62em; color: var(--c-tide); margin-top:2px; }
.snm-course__time{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--c-gold-deep);
  margin-bottom: 12px;
}
.snm-course__text{ font-size: 14.5px; color: var(--c-basalt-soft); }

/* =========================================================
   ③-2 散策コースガイド：ガイド動画
   ========================================================= */
.snm-course__video{
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(59,63,66,.1);
}
.snm-course__video-head{ margin-bottom: 22px; }
.snm-course__video-title{
  font-family: var(--font-display-ja);
  font-size: 24px;
  color: var(--c-indigo);
  margin-bottom: 8px;
}
.snm-course__video-title .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; font-size:.62em; color: var(--c-tide); margin-top:2px; }

.snm-video-embed{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--c-indigo-deep);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(11,36,52,.12);
}
.snm-video-embed .lang-ja,
.snm-video-embed .lang-en{ position:absolute; inset:0; width:100%; height:100%; }
.snm-video-embed iframe,
.snm-video-embed video{
  position: absolute; inset:0;
  width: 100%; height: 100%;
  border: 0;
  display: block;
  background: #000;
}
/* aspect-ratio 未対応ブラウザ向けフォールバック（16:9） */
@supports not (aspect-ratio: 16 / 9){
  .snm-video-embed{ height: 0; padding-bottom: 56.25%; }
}

/* =========================================================
   ④ フォトギャラリー
   ========================================================= */
.snm-gallery{ background: var(--c-paper-dim); }
.snm-gallery__grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.snm-gallery__item{
  display:block;
  aspect-ratio: 1/1;
  overflow:hidden;
  border-radius: var(--radius-s);
}
.snm-gallery__item img{ width:100%; height:100%; object-fit:cover; transition: transform .4s var(--ease); }
.snm-gallery__item:hover img{ transform: scale(1.08); }

.snm-lightbox{
  position: fixed; inset:0; z-index: 900;
  background: rgba(7,20,30,.94);
  display:flex; align-items:center; justify-content:center;
  padding: 40px 20px;
}
.snm-lightbox[hidden]{ display:none; }
.snm-lightbox__figure{ max-width: 1000px; width:100%; text-align:center; }
.snm-lightbox__figure img{ max-height: 78vh; margin: 0 auto; border-radius: var(--radius-s); }
.snm-lightbox__figure figcaption{ color:#fff; font-size:13px; margin-top:14px; opacity:.7; }
.snm-lightbox__close{
  position:absolute; top: 18px; right: 18px;
  width:44px; height:44px; color:#fff; font-size:28px;
  border:1px solid rgba(255,255,255,.4); border-radius:50%;
}

/* =========================================================
   ⑤ アクセス
   ========================================================= */
.snm-access{ background: var(--c-paper); }
.snm-access__grid{ display:flex; flex-direction:column; gap: 30px; }
.snm-access__list{ margin-top: 20px; }
.snm-access__row{ padding: 14px 0; border-bottom: 1px solid rgba(59,63,66,.1); }
.snm-access__row dt{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing:.05em;
  color: var(--c-tide);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.snm-access__row dd{ font-size: 14.5px; color: var(--c-basalt-soft); }
.snm-access__map{
  width:100%; aspect-ratio: 4/3;
  border-radius: var(--radius-m);
  overflow:hidden;
  background: var(--c-paper-dim);
}
.snm-access__map iframe{ width:100%; height:100%; border:0; }
.snm-access__map-placeholder{
  height:100%; display:flex; align-items:center; justify-content:center;
  text-align:center; padding: 24px; font-size:13px; color: var(--c-basalt-soft);
}

/* =========================================================
   ⑥ 利用案内
   ========================================================= */
.snm-info{ background: var(--c-paper-dim); }
.snm-info__grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.snm-info__card{
  background:#fff;
  border-radius: var(--radius-s);
  padding: 18px;
  border-top: 3px solid var(--c-gold);
}
.snm-info__label{ font-family: var(--font-mono); font-size:11px; letter-spacing:.05em; color: var(--c-tide); text-transform:uppercase; margin-bottom:8px; }
.snm-info__value{ font-size: 14.5px; font-weight:600; color: var(--c-indigo); line-height:1.5; }
.snm-info__value a{ text-decoration: underline; text-underline-offset: 3px; }
.snm-info__note{ margin-top: 24px; font-size: 13px; color: var(--c-basalt-soft); border-left: 2px solid var(--c-tide); padding-left: 12px; }

/* =========================================================
   ⑦ お問い合わせ・宿泊
   ========================================================= */
.snm-cta{ position:relative; padding: 100px 0; color:#fff; overflow:hidden; border-top:none; }
.snm-cta__bg{ position:absolute; inset:0; background-size:cover; background-position:center; transform: scale(1.03); }
.snm-cta__scrim{ position:absolute; inset:0; background: linear-gradient(160deg, rgba(7,20,30,.92), rgba(11,36,52,.7)); }
.snm-cta__content{ position:relative; z-index:1; max-width: 600px; }
.snm-cta__title{
  font-family: var(--font-display-ja);
  font-size: clamp(28px, 6vw, 40px);
  margin-bottom: 18px;
  line-height:1.4;
}
.snm-cta__title .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; font-size:.62em; color: var(--c-gold); margin-top:6px; }
.snm-cta__body{ font-size: 15px; color: rgba(255,255,255,.85); margin-bottom: 30px; max-width:48ch; }

/* =========================================================
   固定ページ・個別ページ共通
   ========================================================= */
.snm-basic-page{ padding: 130px 0 90px; }
.snm-basic-title{ font-family: var(--font-display-ja); font-size: clamp(28px,6vw,40px); color: var(--c-indigo); margin-bottom: 20px; }
.snm-basic-thumb{ border-radius: var(--radius-m); overflow:hidden; margin-bottom: 30px; }
.snm-basic-content{ font-size: 15.5px; color: var(--c-basalt-soft); }
.snm-basic-content p{ margin-bottom: 1.2em; }
.snm-back-link{ margin-bottom: 20px; font-size: 13px; }
.snm-back-link a{ color: var(--c-tide); }
.snm-spot-time{ font-family: var(--font-mono); font-size:13px; color: var(--c-gold-deep); margin: 10px 0 20px; }

/* =========================================================
   フッター
   ========================================================= */
.site-footer{ background: var(--c-indigo-deep); color: rgba(255,255,255,.75); padding: 60px 0 26px; }
.site-footer__inner{ display:flex; flex-direction:column; gap: 30px; }
.site-footer__brand{ display:flex; flex-direction:column; gap:8px; }
.site-footer__mark{ font-family: var(--font-display-ja); font-size:26px; color: var(--c-gold); }
.site-footer__name{ font-family: var(--font-display-ja); font-size:18px; color:#fff; }
.site-footer__name .lang-en{ display:block; font-family: var(--font-display-en); font-style:italic; font-size:.7em; color: var(--c-tide-light); margin-top:2px; }
.site-footer__desc{ font-size: 13px; }
.site-footer__menu{ display:flex; flex-wrap:wrap; gap: 8px 18px; }
.site-footer__menu a{ font-size:13px; color: rgba(255,255,255,.7); }
.site-footer__bottom{
  display:flex; align-items:center; justify-content:space-between;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 22px;
  font-size: 12px;
}
.back-to-top{
  width:38px; height:38px; border-radius:50%;
  border: 1px solid rgba(255,255,255,.3);
  color:#fff;
}

/* =========================================================
   スクロールリビール
   ========================================================= */
.snm-reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.snm-reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   レスポンシブ：タブレット以上 (768px〜)
   ========================================================= */
@media (min-width: 768px){
  .snm-section{ padding: 100px 0; }
  .snm-news{ padding-top: 70px; padding-bottom: 70px; }
  .snm-news__thumb{ flex-basis: 120px; width:120px; height:84px; }
  .snm-news__title{ font-size: 16px; }
  .snm-news__excerpt{ white-space: normal; }
  .snm-about__grid{ flex-direction: row; align-items:center; }
  .snm-about__text{ flex: 1 1 46%; }
  .snm-about__media{ flex: 1 1 50%; height: 420px; }
  .snm-highlights__grid{ grid-template-columns: repeat(2, 1fr); }
  .snm-gallery__grid{ grid-template-columns: repeat(3, 1fr); }
  .snm-info__grid{ grid-template-columns: repeat(4, 1fr); }
  .snm-access__grid{ flex-direction: row; align-items:flex-start; gap: 50px; }
  .snm-access__text{ flex: 1 1 44%; }
  .snm-access__map{ flex: 1 1 56%; aspect-ratio: 16/11; }
  .snm-course__timeline{ padding-left: 44px; }
  .snm-course__marker{ left:-44px; width:52px; height:52px; font-size:15px; }
  .snm-course__card{ display:flex; }
  .snm-course__media{ flex: 0 0 42%; aspect-ratio: auto; }
  .snm-course__body{ flex:1; }
}

/* =========================================================
   レスポンシブ：PC (1024px〜) ―― ここからデスクトップ用ナビゲーションに切替
   ========================================================= */
@media (min-width: 1024px){
  .site-header__nav{
    position: static;
    width: auto; height: auto;
    background: transparent;
    padding: 0;
  }
  .snm-anchor-nav{ flex-direction: row; align-items:center; gap: 26px; }
  .snm-anchor-nav a{ border-bottom:none; padding: 4px 0; position:relative; }
  .snm-anchor-nav a::after{
    content:"";
    position:absolute; left:0; right:0; bottom:-4px; height:1px;
    background: var(--c-gold);
    transform: scaleX(0); transform-origin: left;
    transition: transform .3s var(--ease);
  }
  .snm-anchor-nav a:hover::after{ transform: scaleX(1); }
  .snm-anchor-nav .lang-en{ display:none; }
  .menu-toggle{ display:none; }
  .nav-scrim{ display:none; }

  .snm-hero__content{ padding-bottom: 110px; max-width: 860px; }
  .snm-about__media{ height: 480px; }
  .snm-highlights__grid{ grid-template-columns: repeat(3, 1fr); }
  .snm-gallery__grid{ grid-template-columns: repeat(4, 1fr); }
  .snm-course__timeline{ max-width: 900px; }
  .container{ padding: 0 40px; }
}

@media (min-width: 1400px){
  .container{ padding: 0; }
}

/* =========================================================
   タッチデバイス配慮：ホバー効果を持たないデバイスでは transform を抑制
   ========================================================= */
@media (hover: none){
  .snm-highlight-card:hover,
  .snm-course__card:hover{ transform:none; }
}

/* =========================================================
   aspect-ratio 未対応ブラウザ向けフォールバック
   （古いSafari等で画像コンテナの高さが0に潰れて
   「ブロックが表示されない」ように見える事態を防止）
   ========================================================= */
@supports not (aspect-ratio: 1 / 1){
  .snm-highlight-card__media{ height: 260px; }
  .snm-course__media{ height: 220px; }
  .snm-gallery__item{ height: 0; padding-bottom: 100%; position: relative; }
  .snm-gallery__item img{ position:absolute; inset:0; }
  .snm-about__media{ height: 320px; }
  .snm-access__map{ height: 320px; }
}