/* main.css — Shirestoves: vibrant modern bento-grid travel identity.
   Theme via CSS variables. Light-first; dark fully supported. */

:root{
  --bg:#f4f7f6; --bg-alt:#e9f5f2; --surface:#ffffff; --text:#0f1f1c;
  --muted:#557068; --border:#d6e6e1; --header:rgba(255,255,255,.72);
  --accent:#0d9488; --accent-2:#f97316; --accent-3:#eab308;
  --accent-contrast:#ffffff;
  --grad:linear-gradient(120deg,#0d9488 0%,#14b8a6 45%,#f97316 110%);
  --grad-soft:linear-gradient(135deg,rgba(13,148,136,.12),rgba(249,115,22,.12));
  --shadow:0 18px 40px -18px rgba(13,148,136,.45);
  --shadow-coral:0 18px 40px -18px rgba(249,115,22,.5);
  --shadow-soft:0 10px 30px -14px rgba(15,31,28,.25);
  --maxw:1240px; --radius:22px; --radius-sm:14px; --pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
[data-theme="dark"]{
  --bg:#08110f; --bg-alt:#0c1714; --surface:#0f1a17; --text:#e6f2ef;
  --muted:#8fa9a2; --border:#1d2c28; --header:rgba(8,17,15,.72);
  --accent:#14b8a6; --accent-2:#fb923c; --accent-3:#facc15;
  --accent-contrast:#06120f;
  --grad:linear-gradient(120deg,#0d9488 0%,#14b8a6 45%,#fb923c 115%);
  --grad-soft:linear-gradient(135deg,rgba(20,184,166,.16),rgba(251,146,60,.14));
  --shadow:0 18px 40px -16px rgba(0,0,0,.7);
  --shadow-coral:0 18px 40px -16px rgba(0,0,0,.7);
  --shadow-soft:0 12px 34px -16px rgba(0,0,0,.6);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Hiragino Maru Gothic ProN","Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",ui-rounded,system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;
  font-weight:450;
  -webkit-font-smoothing:antialiased;
  transition:background .4s var(--ease),color .4s var(--ease);
}
body::before{
  /* playful ambient color blobs */
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(40vw 40vw at 12% -8%,rgba(13,148,136,.16),transparent 70%),
    radial-gradient(38vw 38vw at 100% 8%,rgba(249,115,22,.14),transparent 70%),
    radial-gradient(46vw 46vw at 80% 100%,rgba(234,179,8,.1),transparent 70%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section--alt{background:var(--bg-alt)}

/* section header — left aligned w/ colored kicker */
.section__head{max-width:780px;margin:0 0 46px;text-align:left;position:relative;padding-left:20px}
.section__head::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:var(--pill);
  background:var(--grad)
}
.section__title{
  font-size:clamp(1.8rem,3.8vw,2.7rem);font-weight:800;letter-spacing:-.01em;
  line-height:1.12;margin-bottom:12px
}
.section__lead{color:var(--muted);font-size:1.05rem;max-width:600px}
.accent{color:var(--accent)}

/* ===== header — floating pill nav ===== */
.header{position:sticky;top:0;z-index:50;padding-top:14px;background:transparent}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;
  background:var(--header);backdrop-filter:saturate(180%) blur(16px);
  border:1px solid var(--border);border-radius:var(--pill);
  padding:0 12px 0 20px;box-shadow:var(--shadow-soft)
}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.01em;font-size:1.08rem}
.logo__mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:.95rem;font-weight:800;
  box-shadow:var(--shadow);transform:rotate(-6deg);transition:transform .3s var(--ease)
}
.logo:hover .logo__mark{transform:rotate(0) scale(1.06)}
.nav{display:flex;align-items:center;gap:8px}
.nav__list{display:flex;gap:2px;list-style:none}
.nav__link{
  padding:9px 16px;border-radius:var(--pill);font-size:.94rem;font-weight:600;color:var(--muted);
  transition:background .25s var(--ease),color .25s
}
.nav__link:hover{color:var(--accent);background:var(--grad-soft)}
.nav__link--active{color:#fff;background:var(--accent);box-shadow:var(--shadow)}
.tools{display:flex;align-items:center;gap:6px;margin-left:6px}
.toggle{
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  height:38px;padding:0 14px;border-radius:var(--pill);cursor:pointer;font-size:.84rem;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:border-color .25s,color .25s,transform .15s,background .25s
}
.toggle:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:2px}
.burger__bar{width:24px;height:2px;border-radius:2px;background:var(--text);transition:.3s var(--ease)}

/* ===== hero — immersive, rounded bottom, search-bar CTA ===== */
.hero{
  position:relative;min-height:88vh;display:grid;align-items:end;
  color:#fff;overflow:hidden;margin:14px 14px 0;border-radius:34px;
  isolation:isolate;box-shadow:var(--shadow)
}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.08);will-change:transform;z-index:-2}
.hero__overlay{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(13,148,136,.82) 0%,rgba(8,30,27,.45) 48%,rgba(249,115,22,.62) 100%)}
.hero__inner{position:relative;max-width:820px;padding:48px 8px 64px}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;letter-spacing:.16em;text-transform:uppercase;
  font-size:.72rem;font-weight:700;color:#fff;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px);
  padding:8px 16px;border-radius:var(--pill);margin-bottom:22px
}
.hero__eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-3)}
.hero__title{font-size:clamp(2.3rem,6.2vw,4.4rem);font-weight:800;line-height:1.05;
  letter-spacing:-.02em;margin-bottom:18px;text-shadow:0 6px 30px rgba(0,0,0,.3)}
.hero__subtitle{font-size:clamp(1.02rem,2vw,1.22rem);color:#f1faf7;max-width:600px}
/* CTA styled as a floating search-bar-like row */
.hero__cta{
  margin-top:32px;display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(10px);padding:14px;border-radius:var(--pill);
  width:fit-content;max-width:100%;box-shadow:0 20px 50px -20px rgba(0,0,0,.5)
}

/* ===== buttons — rounded pills ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:var(--pill);
  font-weight:700;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn--primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-coral)}
.btn--ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}

/* ===== about ===== */
.about__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}
.about__title{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.01em;margin-bottom:18px}
.about__text{color:var(--muted);margin-bottom:14px}
.about__img{
  border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;
  object-fit:cover;width:100%;border:5px solid var(--surface)
}

/* ===== cards — BENTO grid ===== */
.cards{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:200px;gap:18px
}
.card{
  position:relative;overflow:hidden;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);
  display:flex;flex-direction:column;justify-content:flex-end;
  min-height:200px;
  box-shadow:var(--shadow-soft);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease)
}
.card__img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  transition:transform .6s var(--ease),filter .35s
}
.card::after{ /* readability + color wash */
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,30,27,0) 30%,rgba(8,30,27,.25) 55%,rgba(8,30,27,.86) 100%);
  transition:opacity .35s
}
.card__body{
  position:relative;z-index:2;padding:22px;color:#fff
}
.card__title{font-size:1.32rem;font-weight:800;letter-spacing:-.01em;margin-bottom:6px;
  text-shadow:0 2px 12px rgba(0,0,0,.4)}
.card__text{color:rgba(255,255,255,.9);font-size:.95rem}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-coral)}
.card:hover .card__img{transform:scale(1.08)}
/* colored top tag chip per card */
.card__body::before{
  content:"探訪 / Explore";position:absolute;left:22px;bottom:calc(100% + 0px);
  /* sits above body, inside image area */
  transform:translateY(-2px);
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(255,255,255,.92);color:var(--accent);box-shadow:var(--shadow-soft)
}
/* bento sizing — mixed spans */
.cards .card:nth-child(1){grid-column:span 2;grid-row:span 2}
.cards .card:nth-child(4){grid-column:span 2}
.cards .card:nth-child(6){grid-row:span 2}
.cards .card:nth-child(3n+2) .card__body::before{color:var(--accent-2)}
.cards .card:nth-child(3n) .card__body::before{color:var(--accent-3)}

/* ===== gallery — varied-height overlapping grid ===== */
.gallery{
  display:grid;grid-template-columns:repeat(4,1fr);
  grid-auto-rows:150px;gap:16px
}
.gallery__item{
  position:relative;overflow:hidden;border-radius:var(--radius-sm);
  box-shadow:var(--shadow-soft)
}
.gallery__item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(13,148,136,.55),rgba(249,115,22,.45));
  opacity:0;transition:opacity .4s var(--ease)
}
.gallery__item:hover::after{opacity:1}
.gallery__img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.gallery__item:hover .gallery__img{transform:scale(1.12)}
/* varied sizes for staggered/overlap feel */
.gallery__item:nth-child(1){grid-row:span 2}
.gallery__item:nth-child(4){grid-row:span 2}
.gallery__item:nth-child(6){grid-column:span 2}
.gallery__item:nth-child(7){grid-row:span 2}

/* ===== timeline (kept styled) ===== */
.timeline{max-width:760px;margin:0;position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:3px;border-radius:var(--pill);background:var(--grad)}
.timeline__item{position:relative;padding:0 0 34px 26px}
.timeline__item::before{content:"";position:absolute;left:-4px;top:6px;width:16px;height:16px;
  border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px var(--bg)}
.timeline__year{font-weight:800;color:var(--accent)}
.timeline__text{color:var(--muted)}

/* ===== contact / form ===== */
.contact{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.contact>[data-reveal]{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px;box-shadow:var(--shadow-soft)
}
.field{margin-bottom:18px}
.field__label{display:block;font-size:.88rem;font-weight:600;margin-bottom:7px;color:var(--text)}
.field__input,.field__area{
  width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--bg);color:var(--text);font:inherit;transition:border-color .2s,box-shadow .2s
}
.field__input:focus,.field__area:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(13,148,136,.18)
}
.field__area{min-height:140px;resize:vertical}
.info__row{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--border)}
.info__row:last-child{border-bottom:0}
.info__label{min-width:96px;color:var(--accent);font-weight:700}
.form__note{font-size:.85rem;color:var(--muted);margin-top:12px}
.form__status{margin-top:14px;font-weight:700;color:var(--accent-2);min-height:1.2em}

/* ===== legal ===== */
.legal{max-width:840px;margin:0 auto;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:40px;box-shadow:var(--shadow-soft)}
.legal h2{margin:30px 0 10px;font-size:1.3rem;font-weight:800;color:var(--accent)}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:var(--muted);margin-bottom:10px}
.legal ul{padding-left:22px}

/* ===== footer ===== */
.footer{background:var(--bg-alt);border-top:1px solid var(--border);padding:64px 0 30px;margin-top:20px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer__title{font-weight:800;margin-bottom:14px;letter-spacing:-.01em}
.footer__text{color:var(--muted);font-size:.92rem;max-width:320px}
.footer__list{list-style:none;display:grid;gap:9px}
.footer__link{color:var(--muted);font-size:.92rem;transition:color .2s,transform .2s;display:inline-block}
.footer__link:hover{color:var(--accent);transform:translateX(3px)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;
  gap:14px;margin-top:44px;padding-top:24px;border-top:1px solid var(--border);
  color:var(--muted);font-size:.86rem}
.footer__tools{display:flex;gap:8px}

/* ===== cookie banner ===== */
.cookie{position:fixed;left:18px;right:18px;bottom:18px;z-index:80;max-width:580px;
  margin:0 auto;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;
  transform:translateY(160%);transition:transform .5s var(--ease)}
.cookie--show{transform:translateY(0)}
.cookie__text{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.cookie__actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ===== reveal animation ===== */
[data-reveal]{opacity:0;transform:translateY(28px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ===== responsive ===== */
@media(max-width:1080px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards .card:nth-child(1){grid-column:span 2;grid-row:span 2}
  .cards .card:nth-child(4){grid-column:span 2}
  .cards .card:nth-child(6){grid-row:span 1;grid-column:span 2}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:980px){
  .about__grid,.contact{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr}
  .hero{min-height:78vh}
}
@media(max-width:760px){
  .nav__list{position:fixed;inset:92px 14px auto 14px;flex-direction:column;
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
    padding:14px;gap:4px;transform:translateY(-140%);
    transition:transform .35s var(--ease);box-shadow:var(--shadow)}
  .nav--open .nav__list{transform:translateY(0)}
  .nav__link{display:block}
  .burger{display:flex}
  .nav--open .burger__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav--open .burger__bar:nth-child(2){opacity:0}
  .nav--open .burger__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .tools .toggle span{display:none}
  .cards{grid-template-columns:1fr;grid-auto-rows:200px}
  .cards .card:nth-child(n){grid-column:span 1;grid-row:span 1}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .gallery__item:nth-child(n){grid-row:span 1;grid-column:span 1}
  .footer__grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .hero{margin:10px 8px 0;border-radius:26px}
}
@media(max-width:460px){
  .header__inner{padding:0 8px 0 14px}
  .legal,.contact>[data-reveal]{padding:24px}
}