:root{
  --ink:#16323F;          /* 藍鉄 */
  --ink-2:#4A6672;
  --leaf:#0F6E5C;         /* 常磐 */
  --leaf-dark:#0A5546;
  --leaf-pale:#E4EFEB;
  --gold:#D98A0B;         /* 金光 */
  --gold-pale:#FBEFD6;
  --vermilion:#C4453B;
  --paper:#FFFFFF;
  --surface:#EEF3F2;
  --line:#D6E0DE;
  --radius:4px;
  --maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Sans",sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mincho{font-family:"Zen Old Mincho",serif}
.num{font-family:"Space Grotesk",sans-serif;font-feature-settings:"tnum";letter-spacing:0}

/* ---------- eyebrow / headings ---------- */
.eyebrow{
  font-family:"Space Grotesk",sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.22em;text-transform:uppercase;color:var(--leaf);
  display:flex;align-items:center;gap:10px;margin:0 0 18px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--leaf);flex:none}
.eyebrow.on-dark{color:var(--gold)}
.eyebrow.on-dark::before{background:var(--gold)}
h1,h2,h3{font-family:"Zen Old Mincho",serif;font-weight:700;line-height:1.45;letter-spacing:.01em;margin:0}
.h-sec{font-size:clamp(24px,3.4vw,34px);margin-bottom:14px}
.lead{color:var(--ink-2);font-size:15.5px;max-width:62ch}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.bar{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.brand .mark{
  width:34px;height:34px;border-radius:50%;flex:none;
  background:radial-gradient(circle at 50% 45%,var(--gold) 0 32%,var(--leaf) 33% 100%);
  box-shadow:0 0 0 1px rgba(0,0,0,.06) inset;
}
.brand b{font-family:"Space Grotesk",sans-serif;font-size:19px;letter-spacing:.06em;display:block;line-height:1.1}
.brand span{font-size:10.5px;color:var(--ink-2);letter-spacing:.08em;display:block}
nav.main{margin-left:auto;display:flex;gap:26px}
nav.main a{font-size:13.5px;text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current]{border-color:var(--gold)}
.hd-cta{display:flex;gap:9px;flex:none}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:var(--radius);width:44px;height:40px;cursor:pointer}
.burger span{display:block;width:18px;height:1.5px;background:var(--ink);margin:4px auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:14px;font-weight:700;text-decoration:none;
  padding:12px 22px;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,background .15s ease,color .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:#c07908}
.btn-leaf{background:var(--leaf);color:#fff}
.btn-leaf:hover{background:var(--leaf-dark)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-line-w{border-color:rgba(255,255,255,.6);color:#fff}
.btn-line-w:hover{background:#fff;color:var(--ink)}
.btn-sm{padding:9px 15px;font-size:12.5px}
.btn-lg{padding:16px 34px;font-size:15.5px}

/* ---------- hero ---------- */
.hero{background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:74px 0 78px}
.hero h1{font-size:clamp(32px,5.2vw,56px);line-height:1.32;font-weight:900}
.hero h1 .hl{
  background:linear-gradient(transparent 62%,var(--gold-pale) 62%);
  padding:0 .08em;
}
.hero p.lead{margin:24px 0 30px;font-size:16px;color:var(--ink)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:12.5px;color:var(--ink-2)}

/* ---------- signature: meal meter ---------- */
.meter{
  background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:26px;box-shadow:0 18px 44px -28px rgba(22,50,63,.5);
}
.meter h2{font-size:16px;margin-bottom:4px}
.meter .sub{font-size:12.5px;color:var(--ink-2);margin:0 0 18px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{
  font-family:"Space Grotesk",sans-serif;font-size:14px;font-weight:700;
  padding:9px 14px;border:1.5px solid var(--line);background:#fff;border-radius:var(--radius);
  cursor:pointer;color:var(--ink);transition:.15s;
}
.chip:hover{border-color:var(--leaf)}
.chip[aria-pressed="true"]{background:var(--leaf);border-color:var(--leaf);color:#fff}
.custom{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.custom input{
  flex:1;font-family:"Space Grotesk",sans-serif;font-size:16px;padding:11px 12px;
  border:1.5px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);width:100%;
}
.custom input:focus{outline:2px solid var(--leaf);outline-offset:1px;border-color:var(--leaf)}
.custom span{font-size:13px;color:var(--ink-2);flex:none}
.result{
  border-top:1px dashed var(--line);padding-top:18px;
}
.result .big{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.result .big strong{font-family:"Space Grotesk",sans-serif;font-size:44px;font-weight:700;line-height:1;color:var(--leaf)}
.result .big em{font-style:normal;font-size:15px;font-weight:700}
.bowls{display:flex;flex-wrap:wrap;gap:5px;margin-top:16px;min-height:26px}
.bowl{width:19px;height:19px;flex:none;animation:pop .28s ease both}
.bowl svg{width:100%;height:100%;display:block}
@keyframes pop{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}
.more{font-family:"Space Grotesk",sans-serif;font-size:12px;color:var(--ink-2);align-self:center}
.meter .fine{font-size:11.5px;color:var(--ink-2);margin:16px 0 0;line-height:1.7}
.meter .go{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- impact strip ---------- */
.strip{background:var(--ink);color:#fff}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14)}
.stat{background:var(--ink);padding:30px 22px}
.stat b{font-family:"Space Grotesk",sans-serif;font-size:36px;font-weight:700;line-height:1;display:block;color:var(--gold)}
.stat b small{font-size:15px;margin-left:3px;font-weight:700}
.stat span{display:block;font-size:12.5px;color:rgba(255,255,255,.72);margin-top:9px;line-height:1.6}

/* ---------- sections ---------- */
section{padding:76px 0}
section.tight{padding:56px 0}
.sec-alt{background:var(--surface)}
.sec-head{max-width:70ch;margin-bottom:40px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:28px 24px;
  display:flex;flex-direction:column;transition:.18s;
}
.card:hover{border-color:var(--leaf);transform:translateY(-2px)}
.card .tag{
  font-family:"Space Grotesk",sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.16em;
  color:var(--leaf);text-transform:uppercase;margin-bottom:12px;
}
.card h3{font-size:20px;margin-bottom:6px}
.card .price{font-family:"Space Grotesk",sans-serif;font-size:15px;font-weight:700;color:var(--gold);margin-bottom:12px}
.card p{font-size:14px;color:var(--ink-2);margin:0 0 20px;flex:1}
.card ul{margin:0 0 20px;padding-left:1.1em;font-size:13.5px;color:var(--ink-2)}
.card ul li{margin-bottom:6px}
.card.featured{border:2px solid var(--gold);position:relative}
.card.featured::after{
  content:"いちばん多い参加のかたち";position:absolute;top:-11px;left:22px;background:var(--gold);color:#fff;
  font-size:11px;font-weight:700;padding:2px 10px;border-radius:2px;letter-spacing:.04em;
}

/* activity rows */
.rows{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:170px 1fr auto;gap:28px;align-items:start;
  padding:28px 0;border-bottom:1px solid var(--line);
}
.row .place{font-family:"Space Grotesk",sans-serif;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--leaf);padding-top:5px}
.row h3{font-size:18px;margin-bottom:8px}
.row p{margin:0;font-size:14px;color:var(--ink-2)}
.row .meta{font-family:"Space Grotesk",sans-serif;font-size:13px;color:var(--ink);white-space:nowrap;padding-top:5px}

/* voice */
.voice{
  background:var(--leaf);color:#fff;border-radius:6px;padding:48px 44px;
  display:grid;grid-template-columns:1fr;gap:18px;
}
.voice blockquote{margin:0;font-family:"Zen Old Mincho",serif;font-size:clamp(19px,2.6vw,27px);line-height:1.75}
.voice cite{font-style:normal;font-size:13px;color:rgba(255,255,255,.75)}

/* transparency bars */
.use{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.bars{display:flex;flex-direction:column;gap:16px}
.baritem b{font-size:13.5px;display:flex;justify-content:space-between;font-weight:700}
.baritem b i{font-style:normal;font-family:"Space Grotesk",sans-serif;color:var(--leaf)}
.track{height:8px;background:var(--surface);border-radius:99px;margin-top:7px;overflow:hidden}
.fill{height:100%;background:var(--leaf);border-radius:99px}
.fill.g{background:var(--gold)}
.fill.i{background:var(--ink-2)}

/* news */
.news{border-top:1px solid var(--line)}
.news a{
  display:grid;grid-template-columns:110px 96px 1fr;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:14.5px;
}
.news a:hover{color:var(--leaf)}
.news time{font-family:"Space Grotesk",sans-serif;font-size:13px;color:var(--ink-2)}
.pill{
  font-size:11px;font-weight:700;text-align:center;padding:3px 0;border-radius:2px;
  background:var(--leaf-pale);color:var(--leaf-dark);
}
.pill.urgent{background:#F7E2E0;color:var(--vermilion)}
.pill.event{background:var(--gold-pale);color:#9a6205}

/* alert band */
.alert{background:var(--vermilion);color:#fff}
.alert .wrap{display:flex;gap:16px;align-items:center;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.alert b{font-size:11px;letter-spacing:.14em;font-family:"Space Grotesk",sans-serif;border:1px solid rgba(255,255,255,.6);padding:2px 8px;border-radius:2px;flex:none}
.alert p{margin:0;font-size:14px;flex:1}
.alert a{color:#fff;font-weight:700;font-size:13.5px;white-space:nowrap}

/* CTA band */
.cta-band{background:var(--ink);color:#fff;text-align:center}
.cta-band h2{font-size:clamp(24px,3.6vw,36px);margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.75);max-width:56ch;margin:0 auto 30px;font-size:15px}
.cta-band .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.step{border-top:2px solid var(--ink);padding-top:16px}
.step::before{
  counter-increment:s;content:"STEP " counter(s);
  font-family:"Space Grotesk",sans-serif;font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--leaf);
  display:block;margin-bottom:8px;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{margin:0;font-size:13.5px;color:var(--ink-2)}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{border:1px solid var(--line);padding:14px 16px;text-align:left;vertical-align:top}
.tbl thead th{background:var(--surface);font-size:13px}
.tbl td.y{font-family:"Space Grotesk",sans-serif;font-weight:700;color:var(--leaf);white-space:nowrap}
.tbl-scroll{overflow-x:auto}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:15px;list-style:none;display:flex;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";font-family:"Space Grotesk",sans-serif;color:var(--gold);font-weight:700;flex:none}
.faq p{margin:12px 0 0 24px;font-size:14px;color:var(--ink-2)}

/* form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:30px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:700}
.field label i{font-style:normal;color:var(--vermilion);font-size:11px;margin-left:5px}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:15px;padding:11px 12px;border:1.5px solid var(--line);
  border-radius:var(--radius);background:#fff;color:var(--ink);width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--leaf);outline-offset:1px;border-color:var(--leaf)}

/* timeline */
.tl{border-left:2px solid var(--line);padding-left:28px;display:flex;flex-direction:column;gap:34px}
.tl .yr{font-family:"Space Grotesk",sans-serif;font-size:13px;font-weight:700;color:var(--gold);position:relative}
.tl .yr::before{content:"";position:absolute;left:-35px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--gold)}
.tl h3{font-size:18px;margin:6px 0 8px}
.tl p{margin:0;font-size:14px;color:var(--ink-2)}

/* page header */
.phead{background:var(--surface);border-bottom:1px solid var(--line);padding:52px 0 46px}
.phead h1{font-size:clamp(27px,4.4vw,42px)}
.phead p{margin:16px 0 0;color:var(--ink-2);font-size:15px;max-width:62ch}
.crumb{font-size:12px;color:var(--ink-2);margin-bottom:16px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}

/* note */
.note{background:var(--gold-pale);border-left:3px solid var(--gold);padding:16px 20px;font-size:13px;color:#7a5405;border-radius:0 4px 4px 0}

/* footer */
footer.site{background:var(--ink);color:rgba(255,255,255,.72);padding:60px 0 100px;font-size:13.5px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.16)}
footer.site h4{font-family:"Space Grotesk",sans-serif;font-size:11px;letter-spacing:.16em;color:#fff;margin:0 0 14px;font-weight:700}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
footer.site a{text-decoration:none}
footer.site a:hover{color:#fff}
footer.site .brand b,footer.site .brand span{color:#fff}
.f-bottom{padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px}

/* mobile sticky bar */
.mbar{display:none}

@media (max-width:1000px){
  nav.main{display:none}
  .hd-cta{display:none}
  .burger{display:block}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:48px 0 56px}
  .strip-grid{grid-template-columns:1fr 1fr}
  .cards,.cards.two,.steps{grid-template-columns:1fr}
  .use{grid-template-columns:1fr;gap:28px}
  .row{grid-template-columns:1fr;gap:8px}
  .row .meta{padding-top:0}
  .news a{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .news .pill{justify-self:start;padding:3px 10px}
  .f-grid{grid-template-columns:1fr 1fr}
  .form{grid-template-columns:1fr;padding:22px}
  .voice{padding:32px 24px}
  section{padding:56px 0}
  footer.site{padding-bottom:110px}
  .mbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:8px;padding:10px 14px;
    background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(10px);
  }
  .mbar .btn{flex:1;padding:13px 0}
  #mnav{display:none;border-top:1px solid var(--line);padding:14px 0 20px}
  #mnav.open{display:block}
  #mnav a{display:block;padding:12px 0;text-decoration:none;border-bottom:1px solid var(--line);font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:10px 16px;z-index:99;border:1px solid var(--ink)}

/* ---------- article ---------- */
.article{max-width:760px;margin:0 auto}
.article h2{font-size:22px;margin:40px 0 12px}
.article h3{font-size:18px;margin:30px 0 10px}
.article p{margin:0 0 18px;font-size:15.5px}
.article ul{padding-left:1.2em;font-size:15px;color:var(--ink-2)}
.article .meta{display:flex;gap:12px;align-items:center;margin-bottom:26px}
.article figure{margin:30px 0}
.article figcaption{font-size:12.5px;color:var(--ink-2);margin-top:8px}
.article .box{background:var(--surface);border-radius:6px;padding:26px;margin:32px 0}
.article .box h3{margin-top:0}
.pager{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);margin-top:48px;padding-top:24px;font-size:14px}
.pager a{text-decoration:none}
.pager a:hover{color:var(--leaf)}

/* ---------- filters ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filters button{
  font-family:inherit;font-size:13px;font-weight:700;padding:8px 16px;border-radius:99px;
  border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:.15s;
}
.filters button:hover{border-color:var(--leaf)}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.info-card{border:1px solid var(--line);border-radius:6px;padding:26px;margin-bottom:18px}
.info-card h3{font-size:16px;margin-bottom:10px}
.info-card p{margin:0;font-size:14px;color:var(--ink-2)}
.info-card .num{color:var(--ink);font-weight:700;font-size:17px}
.map{width:100%;aspect-ratio:16/10;border:0;border-radius:6px;display:block}

/* ---------- sitemap / legal ---------- */
.smap{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.smap h3{font-size:15px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.smap ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px}
.smap a{text-decoration:none;color:var(--ink-2)}
.smap a:hover{color:var(--leaf)}
.legal{max-width:760px;margin:0 auto}
.legal h2{font-size:18px;margin:36px 0 10px}
.legal p,.legal li{font-size:14.5px;color:var(--ink-2)}
.legal ul{padding-left:1.2em}

/* ---------- 404 ---------- */
.nf{text-align:center;padding:120px 0}
.nf .code{font-family:"Space Grotesk",sans-serif;font-size:96px;font-weight:700;color:var(--leaf-pale);line-height:1}
.nf h1{font-size:26px;margin:8px 0 14px}
.nf p{color:var(--ink-2);margin:0 0 28px}

/* ---------- photography ---------- */
.photo-band{position:relative;margin:0;line-height:0;background:var(--ink)}
.photo-band img{width:100%;height:clamp(230px,34vw,430px);object-fit:cover}
.photo-band figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:56px 24px 20px;
  background:linear-gradient(transparent,rgba(22,50,63,.88));color:#fff;font-size:12.5px;line-height:1.7;
}
.photo-band figcaption span{display:block;width:100%;max-width:var(--maxw);margin:0 auto}
.card-photo{width:auto;margin:-28px -24px 22px;height:190px;object-fit:cover;border-radius:5px 5px 0 0}
.row{grid-template-columns:150px 150px 1fr auto}
.row .thumb{width:150px;height:104px;object-fit:cover;border-radius:4px}
.figimg{border-radius:6px;width:100%;display:block}
figure.cap{margin:0}
figure.cap figcaption{font-size:12.5px;color:var(--ink-2);margin-top:10px;line-height:1.7}
.tl figure{margin:18px 0 0;max-width:440px}
.tl img{border-radius:4px;width:100%;display:block}
.tl figcaption{font-size:12px;color:var(--ink-2);margin-top:7px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:440px}
.voice-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:0;align-items:stretch}
.voice-grid img{width:100%;height:100%;min-height:280px;object-fit:cover;border-radius:6px 0 0 6px}
.voice-grid .voice{border-radius:0 6px 6px 0}

@media (max-width:1000px){
  .row{grid-template-columns:1fr}
  .row .thumb{width:100%;height:200px}
  .voice-grid{grid-template-columns:1fr}
  .voice-grid img{border-radius:6px 6px 0 0;min-height:210px}
  .voice-grid .voice{border-radius:0 0 6px 6px}
  .duo{max-width:none}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .smap{grid-template-columns:1fr}
  .nf{padding:70px 0}
}