/* ===== Ozone合同会社 — shared site styles ===== */
:root{
  --green:#344D26; --green-deep:#21331A; --green-soft:#E7EDE0;
  --blue:#6CA7D5; --blue-deep:#3C7FB6; --blue-soft:#E1EEF7;
  --red:#D8392B; --red-soft:#F7E2DE;
  --ink:#232a1c; --ink-soft:#4f573f; --mute:#8c917e;
  --paper:#FBFAF6; --cream:#F2EEE3; --line:#E4DECF; --white:#fff;
  --serif:'Shippori Mincho',serif; --sans:'Zen Kaku Gothic New',sans-serif; --latin:'Cormorant Garamond',serif;
  --wrap:1200px; --pad:clamp(20px,5vw,80px);
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{ margin:0; background:var(--paper); color:var(--ink); font-family:var(--sans); line-height:1.8; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a{ color:inherit; text-decoration:none; }
img{ display:block; max-width:100%; }
section{ position:relative; }
.wrap{ max-width:var(--wrap); margin:0 auto; padding-inline:var(--pad); }
strong{ font-weight:700; color:var(--green); }

/* ---------- Header ---------- */
header.site{ position:fixed; inset:0 0 auto 0; z-index:100; display:flex; align-items:center; justify-content:space-between;
  padding:14px var(--pad); background:rgba(251,250,246,.8); backdrop-filter:blur(12px); border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s, padding .3s; }
header.site.scrolled{ border-bottom-color:var(--line); padding-block:10px; }
header.site .brand img{ height:46px; width:auto; transition:height .3s; }
header.site.scrolled .brand img{ height:40px; }
nav.main{ display:flex; align-items:center; gap:32px; }
nav.main a.lnk{ font-size:14px; letter-spacing:.12em; color:var(--ink-soft); font-weight:500; position:relative; padding:6px 0; }
nav.main a.lnk::after{ content:''; position:absolute; left:0; bottom:0; height:2px; width:0; background:var(--green); transition:width .3s; }
nav.main a.lnk:hover, nav.main a.lnk.active{ color:var(--green); }
nav.main a.lnk.active::after, nav.main a.lnk:hover::after{ width:100%; }
.tel-btn{ display:inline-flex; align-items:center; gap:9px; background:var(--green); color:#fff; padding:11px 20px; border-radius:999px;
  font-size:13.5px; letter-spacing:.08em; font-weight:500; transition:background .25s, transform .25s; }
.tel-btn:hover{ background:var(--green-deep); transform:translateY(-1px); }
.tel-btn .dot{ width:7px; height:7px; border-radius:50%; background:var(--red); box-shadow:0 0 0 3px rgba(216,57,43,.25); }
.menu-btn{ display:none; }
.scrim{ position:fixed; inset:0; background:rgba(33,51,26,.4); opacity:0; visibility:hidden; transition:.3s; z-index:110; }
.scrim.open{ opacity:1; visibility:visible; }

/* ---------- Buttons / shared bits ---------- */
.btn{ display:inline-flex; align-items:center; gap:12px; padding:16px 30px; border-radius:999px; font-size:15px; letter-spacing:.08em; font-weight:500; transition:transform .25s, background .25s, box-shadow .25s; }
.btn.primary{ background:var(--green); color:#fff; box-shadow:0 10px 30px -12px rgba(52,77,38,.7); }
.btn.primary:hover{ background:var(--green-deep); transform:translateY(-2px); }
.btn.ghost{ border:1.5px solid var(--green); color:var(--green); }
.btn.ghost:hover{ background:var(--green); color:#fff; transform:translateY(-2px); }
.btn .arr{ font-family:var(--latin); font-style:italic; }
.eyebrow{ display:inline-flex; align-items:center; gap:12px; font-family:var(--latin); font-style:italic; font-size:17px; color:var(--blue-deep); letter-spacing:.05em; }
.eyebrow .bar{ width:46px; height:1px; background:var(--blue-deep); }

/* section heading */
.sec-head{ display:flex; align-items:flex-end; gap:22px; margin-bottom:54px; flex-wrap:wrap; }
.sec-head .num{ font-family:var(--latin); font-style:italic; font-size:20px; color:var(--red); letter-spacing:.1em; }
.sec-head .en{ font-family:var(--latin); font-size:clamp(38px,6vw,60px); font-weight:500; font-style:italic; line-height:.9; color:var(--green-deep); }
.sec-head .jp{ font-family:var(--serif); font-size:15px; letter-spacing:.4em; color:var(--mute); padding-bottom:8px; }

/* ---------- Image placeholder ---------- */
.ph{ position:relative; border-radius:18px; overflow:hidden; border:1px solid var(--line); background-color:var(--green-soft);
  background-image:repeating-linear-gradient(45deg,transparent,transparent 13px,rgba(52,77,38,.045) 13px,rgba(52,77,38,.045) 26px);
  display:flex; align-items:center; justify-content:center; }
.ph.blue{ background-color:var(--blue-soft); background-image:repeating-linear-gradient(45deg,transparent,transparent 13px,rgba(60,127,182,.05) 13px,rgba(60,127,182,.05) 26px); }
.ph.red{ background-color:var(--red-soft); background-image:repeating-linear-gradient(45deg,transparent,transparent 13px,rgba(216,57,43,.05) 13px,rgba(216,57,43,.05) 26px); }
.ph .lab{ font-family:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace; font-size:12px; letter-spacing:.06em; color:var(--ink-soft);
  background:rgba(255,255,255,.78); padding:9px 16px; border-radius:999px; box-shadow:0 6px 18px -10px rgba(0,0,0,.35); }
.ph .tagi{ position:absolute; top:14px; left:16px; font-family:var(--latin); font-style:italic; font-size:13px; color:var(--mute); }
.shot{ width:100%; aspect-ratio:4/3; object-fit:cover; border-radius:18px; border:1px solid var(--line); display:block; box-shadow:0 30px 60px -44px rgba(33,51,26,.6); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding:clamp(120px,16vw,170px) 0 clamp(40px,6vw,70px); background:var(--cream); overflow:hidden; }
.page-hero .blob{ position:absolute; border-radius:50%; pointer-events:none; z-index:0; }
.page-hero .blob.a{ width:420px; height:420px; right:-120px; top:-100px; background:radial-gradient(circle,var(--blue-soft),transparent 70%); }
.page-hero .blob.b{ width:300px; height:300px; left:-110px; bottom:-130px; background:radial-gradient(circle,var(--green-soft),transparent 70%); }
.page-hero .inner{ position:relative; z-index:2; }
.page-hero .crumb{ font-size:12.5px; letter-spacing:.16em; color:var(--mute); margin-bottom:20px; }
.page-hero .crumb a:hover{ color:var(--green); }
.page-hero h1{ font-family:var(--serif); font-weight:700; font-size:clamp(34px,5.6vw,60px); line-height:1.3; margin:0; color:var(--green-deep); letter-spacing:.04em; }
.page-hero .en-sub{ font-family:var(--latin); font-style:italic; font-size:clamp(20px,2.6vw,26px); color:var(--blue-deep); margin-top:14px; letter-spacing:.06em; }
.page-hero p.lead{ margin:26px 0 0; max-width:640px; font-size:16px; line-height:2.1; color:var(--ink-soft); letter-spacing:.03em; }

/* ---------- atoms (three-yoshi) ---------- */
.atoms{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.atom{ background:var(--white); border:1px solid var(--line); border-radius:20px; padding:clamp(30px,3.6vw,46px) 32px; text-align:center; position:relative; overflow:hidden; transition:transform .35s, box-shadow .35s; }
.atom:hover{ transform:translateY(-6px); box-shadow:0 34px 60px -40px rgba(52,77,38,.45); }
.atom .wash{ position:absolute; inset:auto -40% -50% -40%; height:200px; border-radius:50%; opacity:.5; }
.atom .mark{ position:relative; width:84px; height:84px; margin:0 auto 22px; }
.atom .en{ font-family:var(--latin); font-style:italic; font-size:25px; margin-bottom:6px; position:relative; }
.atom .jp{ font-family:var(--serif); font-size:20px; font-weight:600; color:var(--ink); letter-spacing:.16em; margin-bottom:12px; position:relative; }
.atom .desc{ font-size:13.5px; color:var(--ink-soft); letter-spacing:.04em; position:relative; line-height:1.9; }

/* ---------- profile table ---------- */
.profile{ width:100%; border-collapse:collapse; }
.profile th,.profile td{ text-align:left; padding:20px 4px; border-bottom:1px solid var(--line); vertical-align:top; font-size:15px; }
.profile th{ width:132px; font-family:var(--serif); font-weight:500; color:var(--green); letter-spacing:.14em; white-space:nowrap; }
.profile td{ color:var(--ink-soft); letter-spacing:.02em; line-height:1.9; }
.profile td a{ color:var(--green); border-bottom:1px solid var(--line); }
.profile td a:hover{ border-bottom-color:var(--red); }
.clients{ display:flex; flex-wrap:wrap; gap:8px; }
.clients span{ background:var(--green-soft); border:1px solid var(--line); border-radius:999px; padding:5px 14px; font-size:13px; letter-spacing:.03em; color:var(--ink-soft); }

/* ---------- Footer ---------- */
footer.site{ background:var(--green-deep); color:rgba(255,255,255,.7); padding:60px var(--pad) 40px; }
.foot-inner{ max-width:var(--wrap); margin:0 auto; display:flex; justify-content:space-between; align-items:flex-start; gap:40px; flex-wrap:wrap; }
.foot-brand{ max-width:360px; }
.foot-logo{ background:#fff; border-radius:14px; padding:14px 18px; display:inline-block; margin-bottom:18px; }
.foot-logo img{ height:40px; }
.foot-brand p{ margin:0; font-size:13.5px; line-height:1.9; letter-spacing:.03em; }
.foot-nav{ display:flex; gap:48px; flex-wrap:wrap; }
.foot-nav .col h4{ font-family:var(--serif); font-size:13px; letter-spacing:.2em; color:var(--blue); margin:0 0 16px; font-weight:500; }
.foot-nav .col a{ display:block; font-size:13.5px; margin-bottom:11px; color:rgba(255,255,255,.72); transition:color .2s; }
.foot-nav .col a:hover{ color:#fff; }
.foot-bottom{ max-width:var(--wrap); margin:44px auto 0; padding-top:24px; border-top:1px solid rgba(255,255,255,.14); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-size:12px; letter-spacing:.08em; color:rgba(255,255,255,.5); }
.foot-bottom .latin{ font-family:var(--latin); font-style:italic; }

/* ---------- Home hero ---------- */
.home-hero{ padding:clamp(120px,16vw,180px) 0 clamp(70px,9vw,110px); overflow:hidden; }
.home-hero .blob{ position:absolute; border-radius:50%; pointer-events:none; z-index:0; }
.home-hero .blob.b1{ width:520px; height:520px; right:-120px; top:-60px; background:radial-gradient(circle at 35% 35%,var(--blue-soft),transparent 68%); }
.home-hero .blob.b2{ width:360px; height:360px; left:-140px; bottom:-120px; background:radial-gradient(circle at 50% 50%,var(--green-soft),transparent 70%); }
.home-hero .ring{ position:absolute; right:clamp(-180px,-6vw,-40px); top:50%; transform:translateY(-50%); width:min(46vw,640px); aspect-ratio:1; border-radius:50%; border:1.5px solid var(--line); z-index:0; }
.home-hero .inner{ position:relative; z-index:2; max-width:760px; }
.home-hero h1{ font-family:var(--serif); font-weight:700; margin:0; font-size:clamp(38px,6.6vw,76px); line-height:1.42; letter-spacing:.02em; color:var(--green-deep); text-wrap:balance; }
.home-hero h1 .accent{ color:var(--green); }
.home-hero h1 .accent::after{ content:'.'; color:var(--red); }
.home-hero p.lede{ margin:34px 0 0; max-width:560px; font-size:clamp(15px,1.7vw,18px); line-height:2.1; color:var(--ink-soft); letter-spacing:.04em; }
.home-hero .cta-row{ display:flex; flex-wrap:wrap; gap:16px; margin-top:46px; }
.home-hero .hero-logo{ position:absolute; right:var(--pad); bottom:clamp(40px,7vw,90px); width:min(34vw,340px); z-index:1; opacity:.96; }
.eyebrow.mb{ margin-bottom:30px; }

/* ---------- Feature band (text + image) ---------- */
.band{ padding:clamp(70px,10vw,120px) 0; }
.band.cream{ background:var(--cream); }
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,6vw,80px); align-items:center; }
.split.rev .txt{ order:2; }
.split h2{ font-family:var(--serif); font-weight:600; font-size:clamp(25px,3.3vw,38px); line-height:1.55; margin:0 0 24px; color:var(--green-deep); letter-spacing:.03em; }
.split p{ margin:0 0 18px; color:var(--ink-soft); font-size:16px; line-height:2.1; letter-spacing:.03em; }
.split .ph{ aspect-ratio:4/3; min-height:280px; }

/* ---------- Business teaser cards (home) ---------- */
.biz-cards{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.biz-card{ display:block; background:var(--white); border:1px solid var(--line); border-radius:20px; padding:34px; position:relative; overflow:hidden; transition:transform .35s, box-shadow .35s; }
.biz-card:hover{ transform:translateY(-6px); box-shadow:0 36px 64px -42px rgba(52,77,38,.5); }
.biz-card .bar{ position:absolute; top:0; left:0; right:0; height:5px; }
.biz-card .no{ font-family:var(--latin); font-style:italic; font-size:15px; color:var(--mute); letter-spacing:.1em; }
.biz-card h3{ font-family:var(--serif); font-size:21px; font-weight:600; margin:14px 0 12px; color:var(--green-deep); letter-spacing:.03em; line-height:1.5; }
.biz-card p{ margin:0; font-size:14px; line-height:1.95; color:var(--ink-soft); }
.biz-card .go{ margin-top:18px; font-family:var(--latin); font-style:italic; font-size:14px; color:var(--green); }

/* ---------- Business detail rows ---------- */
.concept{ text-align:center; padding:clamp(60px,8vw,96px) 0; }
.concept .big{ font-family:var(--serif); font-weight:700; font-size:clamp(26px,4.2vw,48px); line-height:1.5; color:var(--green-deep); letter-spacing:.04em; text-wrap:balance; }
.concept .big em{ font-style:normal; color:var(--blue-deep); }
.biz-row{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,6vw,72px); align-items:center; padding:clamp(48px,6vw,72px) 0; border-top:1px solid var(--line); }
.biz-row.rev .txt{ order:2; }
.biz-row .ph{ aspect-ratio:4/3; min-height:300px; }
.biz-row .no{ font-family:var(--latin); font-style:italic; font-size:18px; letter-spacing:.12em; }
.biz-row h3{ font-family:var(--serif); font-weight:600; font-size:clamp(22px,2.8vw,32px); margin:12px 0 20px; color:var(--green-deep); line-height:1.5; letter-spacing:.03em; }
.biz-row p{ margin:0; font-size:15.5px; line-height:2.05; color:var(--ink-soft); letter-spacing:.02em; }
.biz-row .tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:24px; }
.biz-row .tags span{ font-size:12.5px; letter-spacing:.04em; padding:5px 13px; border-radius:999px; border:1px solid var(--line); color:var(--ink-soft); }

/* ---------- Contact cards ---------- */
.contact-cards{ display:grid; grid-template-columns:repeat(2,minmax(0,340px)); gap:22px; justify-content:center; }
.cc{ background:var(--white); border:1px solid var(--line); border-radius:20px; padding:38px 30px; text-align:left; transition:transform .3s, box-shadow .3s; display:block; }
.cc:hover{ transform:translateY(-5px); box-shadow:0 34px 60px -42px rgba(52,77,38,.5); }
.cc .ico-sm{ width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.cc .lab{ font-family:var(--latin); font-style:italic; font-size:15px; letter-spacing:.1em; color:var(--blue-deep); margin-bottom:4px; }
.cc .jp-lab{ font-size:12px; letter-spacing:.3em; color:var(--mute); margin-bottom:16px; }
.cc .val{ font-family:var(--serif); font-size:clamp(22px,3vw,30px); font-weight:600; color:var(--green-deep); letter-spacing:.02em; word-break:break-word; }
.cc .val.mail{ font-size:clamp(15px,2vw,19px); }
.cc .note{ font-size:12.5px; color:var(--mute); margin-top:10px; letter-spacing:.04em; }

@media (max-width:820px){
  .split, .biz-cards, .biz-row, .contact-cards{ grid-template-columns:1fr; }
  .split.rev .txt, .biz-row.rev .txt{ order:0; }
  .home-hero .hero-logo, .home-hero .ring{ display:none; }
}

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; } html{ scroll-behavior:auto; } }

/* ---------- responsive nav ---------- */
@media (max-width:820px){
  nav.main{ position:fixed; inset:0 0 0 auto; width:min(80vw,320px); background:var(--paper); flex-direction:column; align-items:flex-start;
    justify-content:center; gap:26px; padding:0 40px; transform:translateX(100%); transition:transform .4s cubic-bezier(.22,1,.36,1);
    box-shadow:-30px 0 60px -30px rgba(0,0,0,.3); z-index:120; }
  nav.main.open{ transform:none; }
  nav.main a.lnk{ font-size:18px; }
  nav.main .tel-btn{ display:inline-flex; }
  .menu-btn{ display:flex; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; z-index:130; }
  .menu-btn span{ width:26px; height:2px; background:var(--green-deep); transition:transform .3s, opacity .3s; }
  .menu-btn.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .menu-btn.open span:nth-child(2){ opacity:0; }
  .menu-btn.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  header.site > .tel-btn{ display:none; }
  .atoms{ grid-template-columns:1fr; }
}