:root{
  --bg:#f2f5f4;
  --bg-2:#eaf0ef;
  --ink:#172326;
  --muted:#607174;
  --line:rgba(23,35,38,.12);
  --line-strong:rgba(23,35,38,.22);
  --panel:rgba(255,255,255,.76);
  --panel-strong:rgba(255,255,255,.92);
  --panel-soft:rgba(255,255,255,.56);
  --accent:#2e6f73;
  --accent-strong:#24595d;
  --accent-2:#87aeb1;
  --accent-soft:rgba(46,111,115,.12);
  --shadow-sm:0 16px 36px rgba(17,31,33,.08);
  --shadow:0 30px 80px rgba(17,31,33,.13);
  --shadow-lg:0 42px 120px rgba(17,31,33,.22);
  --radius-sm:16px;
  --radius:24px;
  --radius-lg:36px;
  --max:1240px;
  --sans:"Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, -apple-system, sans-serif;
  --serif:"Hiragino Mincho ProN", "Noto Serif JP", "Yu Mincho", serif;
}

:root[data-theme="dark"]{
  --bg:#0e1517;
  --bg-2:#131d1f;
  --ink:#eef5f4;
  --muted:#b7c8c8;
  --line:rgba(237,246,245,.1);
  --line-strong:rgba(237,246,245,.18);
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.1);
  --panel-soft:rgba(255,255,255,.045);
  --accent:#74b0b1;
  --accent-strong:#98cbcb;
  --accent-2:#5d8387;
  --accent-soft:rgba(116,176,177,.14);
  --shadow-sm:0 18px 42px rgba(0,0,0,.24);
  --shadow:0 34px 92px rgba(0,0,0,.36);
  --shadow-lg:0 44px 120px rgba(0,0,0,.46);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  line-height:1.75;
  letter-spacing:.01em;
  background:
    radial-gradient(1200px 780px at 0% 0%, rgba(46,111,115,.12), transparent 58%),
    radial-gradient(900px 680px at 100% 0%, rgba(135,174,177,.14), transparent 56%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(255,255,255,.12), transparent 18%);
  opacity:.7;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
img,video{display:block;max-width:100%}
button,input,select{font:inherit}
code{
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size:.92em;
  padding:.18em .5em;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--panel-soft);
}

.container{max-width:var(--max);margin:0 auto;padding:0 28px}
@media (max-width:640px){.container{padding:0 18px}}

.pageGlow{
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(700px 340px at 50% -10%, rgba(255,255,255,.22), transparent 72%),
    radial-gradient(720px 300px at 88% 8%, rgba(46,111,115,.08), transparent 75%);
}

.siteHeader{
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter:blur(20px);
  background:linear-gradient(180deg, rgba(242,245,244,.86), rgba(242,245,244,.58));
  border-bottom:1px solid var(--line);
}
:root[data-theme="dark"] .siteHeader{
  background:linear-gradient(180deg, rgba(14,21,23,.88), rgba(14,21,23,.58));
}
.siteHeader__inner{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand__mark{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:linear-gradient(135deg, rgba(46,111,115,.16), rgba(135,174,177,.18));
  box-shadow:var(--shadow-sm);
}
.brand__text{display:grid;line-height:1.2}
.brand__text strong{font-size:15px;letter-spacing:.04em}
.brand__text small{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.mainNav{display:flex;gap:6px;flex-wrap:wrap}
.mainNav a{
  padding:10px 14px;
  border-radius:999px;
  color:var(--muted);
  transition:background .18s ease, color .18s ease, transform .18s ease;
}
.mainNav a:hover{background:var(--panel-soft);color:var(--ink);transform:translateY(-1px)}
.headerActions{display:flex;align-items:center;gap:10px}
@media (max-width:1120px){.mainNav{display:none}}

.themeButton{
  width:44px;
  height:44px;
  border:none;
  border-radius:999px;
  display:grid;
  place-items:center;
  background:var(--panel-soft);
  color:var(--ink);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  cursor:pointer;
}
.themeButton:hover{background:var(--panel)}

/* ===== hero brightness fix ===== */
.hero{
  position:relative;
  min-height:min(86svh, 820px);
  overflow:hidden;
  isolation:isolate;
  display:grid;
  align-items:center;
  padding:0;
}

.hero__media,
.hero__veil{
  position:absolute;
  inset:0;
}

.hero__poster,
.hero__video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 52%;
  display:block;
}

/* ここが暗さの主因。かなり薄くする */
.hero__veil{
  background:
    linear-gradient(180deg, rgba(18,18,18,.08) 0%, rgba(18,18,18,.20) 100%),
    linear-gradient(90deg, rgba(18,18,18,.06) 0%, rgba(255,255,255,.00) 50%, rgba(18,18,18,.06) 100%);
}

/* 中央にうっすら明るさを足す */
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:
    radial-gradient(circle at 50% 42%, rgba(255,255,255,.18), transparent 38%);
}

.hero__inner{
  position:relative;
  z-index:2;
  width:min(1200px, calc(100% - 64px));
  margin:0 auto;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:120px 0 88px;
  text-align:center;
}

.heroPanel,
.heroPanel--single{
  width:min(920px, 100%);
  margin:0 auto;
}

.heroPanel__copy,
.heroPanel__copy--single{
  display:grid;
  justify-items:center;
  text-align:center;
}

/* パネル感を弱める。暗い箱にしない */
.heroPanel__copy{
  padding:0;
  background:none;
  border:none;
  box-shadow:none;
  backdrop-filter:none;
}

.hero .eyebrow{
  background:rgba(255,255,255,.22);
  border:1px solid rgba(255,255,255,.30);
  color:#fff;
  backdrop-filter:blur(8px);
}

.hero h1{
  margin:18px 0 16px;
  font-size:clamp(43px, 6vw, 70px);
  line-height:1.08;
  font-weight:700;
  letter-spacing:.03em;
  color:#fff;
  text-shadow:0 3px 18px rgba(0,0,0,.22);
}

.heroLead{
  max-width:52rem;
  margin:0 auto 26px;
  color:rgba(255,255,255,.94);
  font-size:16px;
  line-height:1.9;
  text-shadow:0 2px 14px rgba(0,0,0,.18);
}

.heroActions{
  display:flex;
  justify-content:center;
}

.button--primaryLight{
  background:rgba(255,255,255,.88);
  color:#16383b;
  border:1px solid rgba(255,255,255,.72);
  box-shadow:0 14px 34px rgba(0,0,0,.10);
}

.button--primaryLight:hover{
  background:#fff;
}

@media (max-width:860px){
  .hero__inner{
    width:calc(100% - 32px);
    padding:96px 0 72px;
  }

  .hero h1{
    font-size:clamp(38px, 10vw, 60px);
  }

  .heroLead{
    font-size:14.5px;
    line-height:1.85;
  }
}

.heroLogo__img{
  display:block;
  width:480px;
  max-width:60vw;
  height:auto;
  object-fit:contain;
}
.heroActions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top:26px;
}

.panel{
  background:linear-gradient(180deg, var(--panel-strong), var(--panel));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.conciergeButton{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(46,111,115,.28);
  background:linear-gradient(180deg, rgba(46,111,115,.16), rgba(46,111,115,.08));
  box-shadow:var(--shadow-sm);
  white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.conciergeButton:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(17,31,33,.12)}
.conciergeButton--light{
  color:#f4fbfb;
  border-color:rgba(255,255,255,.22);
  background:linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.08));
  box-shadow:none;
}
.conciergeButton--light:hover{
  box-shadow:0 18px 40px rgba(0,0,0,.18);
}
.field{display:grid;gap:8px}
.field span{
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
}
.field--wide{grid-column:1/-1}
.field--searchOnly{margin-bottom:14px}
.input,
.select{
  width:100%;
  min-height:54px;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  color:var(--ink);
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
:root[data-theme="dark"] .input,
:root[data-theme="dark"] .select{background:rgba(255,255,255,.045)}
.input:focus,
.select:focus{
  border-color:rgba(46,111,115,.5);
  box-shadow:0 0 0 4px rgba(46,111,115,.12);
  background:var(--panel-strong);
}
.toggleField{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:54px;
  padding:0 16px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--panel-soft);
}
.toggleField input{accent-color:var(--accent)}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:52px;
  padding:12px 18px;
  border-radius:16px;
  border:1px solid rgba(46,111,115,.28);
  background:linear-gradient(180deg, rgba(46,111,115,.16), rgba(46,111,115,.1));
  color:var(--ink);
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.button:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(17,31,33,.12)}
.button--primary{
  color:#effafa;
  border-color:rgba(46,111,115,.36);
  background:linear-gradient(180deg, rgba(46,111,115,.92), rgba(36,89,93,.92));
}
.button--ghost{
  background:var(--panel-soft);
  border-color:var(--line);
}
.button--primaryLight{
  color:#effafa;
  border-color:rgba(255,255,255,.18);
  background:linear-gradient(180deg, rgba(46,111,115,.44), rgba(46,111,115,.28));
}
.button--ghostLight{
  color:#effafa;
  border-color:rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
}
.button--full{width:100%}

.section{padding:78px 0}
.section--news{padding-top:40px}
.section--concierge{padding-top:0}
.sectionHead{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:24px;
}
.sectionHead--compact{align-items:center}
.sectionTitle{
  margin:12px 0 0;
  font-family:var(--serif);
  font-size:clamp(28px,4vw,42px);
  line-height:1.25;
  letter-spacing:.05em;
  font-weight:700;
}

.newsGrid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.newsGrid--archive{grid-template-columns:1fr}
.newsItem{
  padding:22px;
  border-radius:26px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.newsItem:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.newsItem__date{font-size:12px;letter-spacing:.14em;color:var(--muted)}
.newsItem__title{
  margin-top:10px;
  font-family:var(--serif);
  font-size:24px;
  line-height:1.45;
  letter-spacing:.04em;
}
.newsItem__excerpt{margin-top:10px;color:var(--muted)}

.resultCount{
  color:var(--muted);
  white-space:nowrap;
}

.conciergeSection{
  padding:30px 34px;
  border-radius:32px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px;
  align-items:center;
}
.conciergeSection__body{min-width:0}
.conciergeSection__lead{
  margin:14px 0 8px;
  font-size:18px;
  line-height:1.8;
}
.conciergeSection__text{
  margin:0;
  color:var(--muted);
}
.conciergeSection__actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
}
.resultCount--top{
  padding:10px 14px;
  border-radius:999px;
  background:var(--panel-soft);
  border:1px solid var(--line);
}
.searchPanel{
  padding:20px;
  border-radius:28px;
  margin-bottom:18px;
}
.searchPanel__grid{
  display:grid;
  grid-template-columns:2fr repeat(3,minmax(0,1fr));
  gap:12px;
  align-items:end;
}
.activeBar{
  justify-content:flex-start;

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 16px;
  border-radius:22px;
  margin-bottom:20px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip,
.tag,
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border-radius:999px;
  border:1px solid var(--line);
}
.chip,
.tag{padding:8px 12px;background:var(--panel-soft);font-size:12px}
.chip button{
  appearance:none;
  border:none;
  background:none;
  padding:0;
  cursor:pointer;
  color:var(--muted);
}
.badge{padding:8px 12px;background:var(--accent-soft);font-size:12px;color:var(--muted);white-space:normal;word-break:keep-all;overflow-wrap:anywhere;max-width:100%}
.miniLink{color:var(--muted)}

.membersGrid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:18px;
}
.card{
  position:relative;
  display:grid;
  gap:16px;
  padding:24px;
  border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, var(--panel-strong), rgba(255,255,255,.72));
  box-shadow:var(--shadow-sm);
  cursor:pointer;
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
:root[data-theme="dark"] .card{background:linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.04))}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.card__top{display:grid;gap:10px}
.card__main{min-width:0;display:grid;gap:6px}
.card__title{
  font-family:var(--serif);
  font-size:24px;
  line-height:1.45;
  letter-spacing:.04em;
  word-break:keep-all;
  overflow-wrap:anywhere;
}
.card__meta{color:var(--muted);font-size:14px;word-break:break-word}
.card__area{display:flex;flex-wrap:wrap;gap:8px}
.badge--area{width:max-content;max-width:100%}
.card__spring{
  font-size:15px;
  line-height:1.7;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.58);
  border:1px solid var(--line);
}
:root[data-theme="dark"] .card__spring{background:rgba(255,255,255,.04)}
.card__actions{display:flex;gap:8px;flex-wrap:wrap}
.card__foot{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;padding-top:4px}
.button--card{min-height:44px;padding:10px 14px;border-radius:14px}
.card__link{color:var(--accent);font-weight:600}

.benefitsLayout{
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  gap:18px;
}
.benefitsNav{
  padding:18px;
  border-radius:28px;
  align-self:start;
  position:sticky;
  top:96px;
}
.benefitList{display:grid;gap:8px}
.benefitList button{
  text-align:left;
  padding:13px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--panel-soft);
  color:var(--ink);
  cursor:pointer;
  transition:background .18s ease, transform .18s ease;
}
.benefitList button:hover,
.benefitList button[aria-selected="true"]{background:var(--accent-soft);transform:translateX(2px)}
.benefitPane{min-width:0}
.benefitCard{
  padding:26px;
  border-radius:30px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow:var(--shadow);
}
.benefitCard__title{
  margin:0;
  font-family:var(--serif);
  font-size:30px;
  line-height:1.35;
  letter-spacing:.04em;
}
.benefitSection + .benefitSection{margin-top:18px}
.benefitSection__title{
  margin:0 0 8px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.14em;
  text-transform:uppercase;
}
.benefitSection ul{margin:0;padding-left:20px}
.benefitSection li + li{margin-top:8px}

.aboutSection{
  padding:32px;
  border-radius:32px;
  max-width:960px;
  margin:0 auto;
}

.aboutSection__block h3{
  margin:0 0 12px;
  font-size:24px;
  line-height:1.5;
  letter-spacing:.04em;
}

.aboutSection__block p{
  margin:0;
  color:var(--muted);
  line-height:1.9;
}

.aboutSection__block p + p{
  margin-top:12px;
}

.aboutSection__divider{
  height:1px;
  margin:24px 0;
  background:var(--line);
}

.aboutSection a{
  color:var(--accent);
  text-decoration:none;
  word-break:break-word;
}

.aboutSection a:hover{
  text-decoration:underline;
}

@media (max-width:640px){
  .aboutSection{
    padding:24px;
    border-radius:24px;
  }

  .aboutSection__block h3{
    font-size:22px;
  }
}

.emptyState{
  padding:28px;
  border-radius:24px;
  border:1px dashed var(--line);
  background:var(--panel-soft);
  color:var(--muted);
}

.siteFooter{
  padding:24px 0 36px;
  border-top:1px solid var(--line);
}
.siteFooter__inner{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-end;
  flex-wrap:wrap;
}
.siteFooter__inner p{margin:6px 0 0;color:var(--muted)}

.modal{border:none;padding:0;background:transparent}
.modal::backdrop{background:rgba(10,10,10,.52);backdrop-filter:blur(8px)}
.modal__surface{
  width:min(880px, calc(100vw - 24px));
  border:none;
  padding:0;
  overflow:hidden;
  border-radius:30px;
  background:var(--bg-2);
  color:var(--ink);
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
.modal__head,
.modal__foot{padding:18px 22px;border-bottom:1px solid var(--line)}
.modal__foot{display:flex;justify-content:flex-end;border-bottom:none;border-top:1px solid var(--line)}
.modal__body{padding:24px}
.modal__eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.modal__title{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.35;
  letter-spacing:.04em;
}
.modal__sub{margin-top:6px;color:var(--muted);word-break:break-word}
.modal__sectionTitle{
  margin:0 0 12px;
  font-family:var(--serif);
  font-size:24px;
  letter-spacing:.04em;
}
.modal__note{font-size:13px;color:var(--muted)}
.kv{display:grid;grid-template-columns:120px 1fr;gap:12px 16px}
.kv__k{font-weight:700}
.divider{height:1px;background:var(--line);margin:22px 0}
.md{line-height:1.95}
.md h1,.md h2,.md h3{font-family:var(--serif);letter-spacing:.04em}
.md ul{padding-left:20px}

@media (max-width:1080px){
  .hero{min-height:auto;padding-top:96px}
  .heroPanel--single{min-height:420px}
  .heroPanel__copy--single{max-width:760px;padding:30px 30px 32px}
}
@media (max-width:980px){
  .newsGrid,
  .aboutGrid,
  .benefitsLayout{grid-template-columns:1fr}
  .benefitsNav{position:static}
  .conciergeSection{grid-template-columns:1fr}
  .conciergeSection__actions{justify-content:flex-start}
}
@media (max-width:760px){
  .activeBar{
    justify-content:flex-start;
    flex-direction:column;
    align-items:flex-start
  }
}
@media (max-width:640px){
  .siteHeader__inner{min-height:72px}
  .hero{padding:86px 0 40px}
  .heroPanel__copy--single{padding:22px}
  .hero h1{font-size:clamp(34px, 8vw, 56px)}
  .heroLead{font-size:15px}
  .newsItem__title,.card__title,.aboutCard h3{font-size:22px}
  .benefitCard__title,.modal__title{font-size:24px}
  .section{padding:58px 0}
  .kv{grid-template-columns:1fr}
}


@media (max-width:1100px){
  .searchPanel__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .searchPanel__grid{grid-template-columns:1fr}
  .newsGrid{grid-template-columns:1fr}
  .aboutGrid{grid-template-columns:1fr}
  .benefitsLayout{grid-template-columns:1fr}
  .benefitsNav{position:static}
  .activeBar{
    justify-content:flex-start;
    align-items:flex-start;
    flex-direction:column
  }
}