/* ============================================================
   ゆうなぎカンパニー 紹介LP  —  styles
   白・クリーム・木目・やわらかい黒。上品であたたかく、静かに。
   ============================================================ */

:root{
  /* base / backgrounds */
  --paper:   #FFFDF8;
  --cream:   #F7F3EA;
  --beige:   #EFE7D8;
  --beige-2: #E9E0CE;

  /* ink */
  --ink:     #232020;
  --ink-2:   #3a3633;
  --body:    #55504a;
  --muted:   #8d857a;

  /* accents */
  --brown:   #A67C52;
  --gold:    #C8A46A;
  --sea:     #DDE6E8;   /* 夕凪のブルーグレー */
  --sea-deep:#b9cace;

  /* lines */
  --line:    #E5DECF;
  --line-2:  #efe9dd;

  --maxw: 1180px;
  --gutter: clamp(22px, 5vw, 64px);
  --sec-pad: clamp(86px, 11vw, 168px);
  --radius: 3px;

  --serif: "Noto Serif JP", serif;
  --sans:  "Noto Sans JP", sans-serif;
  --en:    "Cormorant Garamond", "Noto Serif JP", serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--body);
  background:var(--paper);
  line-height:1.95;
  font-weight:400;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }

/* ---------- shared layout ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding-block:var(--sec-pad); position:relative; }
.bg-cream{ background:var(--cream); }
.bg-beige{ background:var(--beige); }
.bg-paper{ background:var(--paper); }

/* hairline divider */
.rule{ height:1px; background:var(--line); border:0; margin:0; }

/* ---------- eyebrow (英字ラベル + 番号) ---------- */
.eyebrow{
  display:flex; align-items:center; gap:14px; flex-wrap:nowrap;
  margin-bottom:30px;
}
.eyebrow .num{
  font-family:var(--en);
  font-size:1.05rem; font-style:italic; letter-spacing:.08em;
  color:var(--gold);
}
.eyebrow .lbl{
  font-family:var(--en);
  font-size:.92rem; letter-spacing:.32em; text-transform:uppercase;
  color:var(--brown); font-weight:600; white-space:nowrap;
}
.eyebrow .tick{ flex:1 1 auto; height:1px; background:var(--line); max-width:64px; }

/* ---------- headings ---------- */
.h-lg{
  font-family:var(--serif); font-weight:500;
  color:var(--ink);
  font-size:clamp(1.75rem, 3.4vw, 2.85rem);
  line-height:1.62; letter-spacing:.04em;
  margin:0 0 1.1em;
  text-wrap:balance;
}
.h-md{
  font-family:var(--serif); font-weight:500;
  color:var(--ink);
  font-size:clamp(1.4rem, 2.4vw, 2rem);
  line-height:1.7; letter-spacing:.04em;
  margin:0 0 .9em;
  text-wrap:balance;
}
.lead{
  font-size:1.02rem; line-height:2.15; color:var(--body);
  margin:0 0 1.4em; max-width:40em;
}
.lead.tight{ margin-bottom:0; }
p{ margin:0 0 1.4em; }
p:last-child{ margin-bottom:0; }
.em{ color:var(--brown); }

/* ---------- buttons ---------- */
.btns{ display:flex; flex-wrap:wrap; gap:16px; align-items:center; }
.btn{
  font-family:var(--sans); font-size:.95rem; font-weight:500; letter-spacing:.06em;
  display:inline-flex; align-items:center; gap:.7em;
  padding:1.05em 2.1em; border-radius:999px;
  border:1px solid transparent; cursor:pointer;
  transition:transform .35s cubic-bezier(.2,.7,.3,1), background .35s, color .35s, box-shadow .35s;
  white-space:nowrap;
}
.btn .arw{ font-family:var(--en); font-style:italic; transition:transform .35s; }
.btn:hover .arw{ transform:translateX(4px); }
.btn-fill{ background:var(--brown); color:#fff; box-shadow:0 12px 30px -16px rgba(120,86,50,.7); }
.btn-fill:hover{ background:#8f6843; transform:translateY(-2px); }
.btn-line{ border-color:var(--brown); color:var(--brown); background:transparent; }
.btn-line:hover{ background:var(--brown); color:#fff; transform:translateY(-2px); }
.btn-ghost{ color:var(--ink); border-color:rgba(255,255,255,.6); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px var(--gutter);
  transition:background .5s ease, box-shadow .5s ease, padding .5s ease;
}
.site-header.scrolled{
  background:rgba(255,253,248,.86);
  backdrop-filter:blur(12px) saturate(1.1);
  box-shadow:0 1px 0 var(--line);
  padding-block:12px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:38px; height:38px; object-fit:contain; mix-blend-mode:multiply; }
.brand .nm{ font-family:var(--serif); font-size:1.05rem; letter-spacing:.16em; color:var(--ink); }
.brand .sub{ font-family:var(--en); font-size:.72rem; letter-spacing:.34em; color:var(--brown); text-transform:uppercase; display:block; margin-top:1px; }
.site-header.on-hero .brand .nm,
.site-header.on-hero .brand .sub,
.site-header.on-hero .nav a{ color:#fff; }
.site-header.on-hero .brand img{ mix-blend-mode:normal; filter:brightness(0) invert(1); }

.nav{ display:flex; align-items:center; gap:34px; }
.nav a{
  font-size:.86rem; letter-spacing:.14em; color:var(--ink-2);
  position:relative; padding-block:4px; transition:color .3s;
}
.nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:1px;
  background:currentColor; transition:right .4s cubic-bezier(.2,.7,.3,1);
}
.nav a:hover::after{ right:0; }
.nav .nav-cta{
  border:1px solid var(--brown); color:var(--brown);
  padding:.7em 1.5em; border-radius:999px; letter-spacing:.1em;
}
.site-header.on-hero .nav .nav-cta{ border-color:rgba(255,255,255,.7); }
.nav-toggle{ display:none; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero__bg{ position:absolute; inset:0; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; }
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(40,30,20,.30) 0%, rgba(40,30,20,0) 26%),
    linear-gradient(0deg, rgba(35,25,16,.62) 0%, rgba(35,25,16,.10) 42%, rgba(35,25,16,0) 70%);
}
.hero__inner{ position:relative; z-index:2; width:100%; padding-block:clamp(48px,9vh,104px); }
.hero__eyebrow{
  font-family:var(--en); font-style:italic; color:#fff;
  font-size:1.15rem; letter-spacing:.12em; opacity:.92; margin-bottom:22px;
}
.hero h1{
  font-family:var(--serif); font-weight:500; color:#fff;
  font-size:clamp(1.95rem, 4.4vw, 3.55rem);
  line-height:1.6; letter-spacing:.04em; margin:0 0 .75em;
  text-shadow:0 2px 30px rgba(30,20,10,.35);
  text-wrap:balance; max-width:16em;
}
.hero p.sub{
  color:rgba(255,255,255,.94); font-size:clamp(.98rem,1.5vw,1.12rem);
  line-height:2.1; max-width:33em; margin:0 0 2.4em;
  text-shadow:0 1px 16px rgba(30,20,10,.4);
}
.hero .btns .btn-fill{ background:#fff; color:var(--ink); box-shadow:0 14px 40px -18px rgba(0,0,0,.6); }
.hero .btns .btn-fill:hover{ background:var(--cream); }
.hero .btns .btn-ghost{ color:#fff; border-color:rgba(255,255,255,.75); background:rgba(40,30,20,.14); backdrop-filter:blur(3px); }
.hero .btns .btn-ghost:hover{ background:rgba(255,255,255,.16); border-color:#fff; }
.scroll-hint{
  position:absolute; left:50%; bottom:26px; transform:translateX(-50%);
  z-index:3; display:flex; flex-direction:column; align-items:center; gap:9px;
  font-family:var(--en); font-style:italic; font-size:.8rem; letter-spacing:.22em;
  color:rgba(255,255,255,.85);
}
.scroll-hint .bar{ width:1px; height:46px; background:linear-gradient(rgba(255,255,255,.85), rgba(255,255,255,0)); animation:scrollpulse 2.4s ease-in-out infinite; transform-origin:top; }
@keyframes scrollpulse{ 0%,100%{ transform:scaleY(.4); opacity:.4 } 50%{ transform:scaleY(1); opacity:.95 } }
@media (max-height: 680px){ .scroll-hint{ display:none; } }

/* ============================================================
   CONCEPT BAND (between hero and content)
   ============================================================ */
.concept{ text-align:center; }
.concept .wrap{ max-width:760px; }
.concept-logo{ width:clamp(118px,15vw,158px); height:auto; margin:0 auto 34px; mix-blend-mode:multiply; }
.concept .mark{ font-family:var(--en); font-style:italic; color:var(--gold); letter-spacing:.2em; font-size:1rem; margin-bottom:26px; }
.concept .big{
  font-family:var(--serif); font-weight:500; color:var(--ink);
  font-size:clamp(1.5rem,3vw,2.3rem); line-height:1.85; letter-spacing:.05em;
  margin:0 0 1.1em; text-wrap:balance;
}
.concept .sub{ color:var(--body); font-size:1rem; line-height:2.2; max-width:34em; margin-inline:auto; }
.leaf-divider{ display:flex; align-items:center; justify-content:center; gap:16px; margin-top:54px; color:var(--gold); }
.leaf-divider .ln{ width:54px; height:1px; background:var(--line); }
.leaf-divider .dot{ width:5px; height:5px; border-radius:50%; background:var(--gold); }

/* ============================================================
   SPLIT (image + text rows)
   ============================================================ */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,6vw,96px); align-items:center; }
.split.reverse .split__media{ order:2; }
.split__media{ position:relative; }
.split__media img{ width:100%; aspect-ratio:4/3.05; object-fit:cover; border-radius:var(--radius); }
.split__media .frame-note{
  position:absolute; bottom:16px; left:16px;
  font-family:var(--en); font-style:italic; font-size:.85rem; letter-spacing:.06em;
  color:#fff; background:rgba(40,30,20,.34); backdrop-filter:blur(4px);
  padding:.4em 1em; border-radius:999px;
}
.split__body{ max-width:30em; }

/* tall portrait media variant */
.split__media.tall img{ aspect-ratio:4/4.6; }

/* ============================================================
   PRODUCT
   ============================================================ */
.product-grid{ display:grid; grid-template-columns:1.15fr 1fr; gap:clamp(28px,4vw,52px); align-items:stretch; }
.product-grid img{ width:100%; height:100%; object-fit:cover; border-radius:var(--radius); }
.product-grid .stack{ display:grid; grid-template-rows:1fr 1fr; gap:clamp(28px,4vw,52px); }

.support-band{
  margin-top:clamp(54px,7vw,92px);
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--radius);
  display:grid; grid-template-columns:auto 1fr; gap:clamp(24px,4vw,52px);
  align-items:center; padding:clamp(32px,4.5vw,56px);
}
.support-band .sb-mark{
  font-family:var(--en); font-style:italic; color:var(--gold);
  font-size:clamp(2.4rem,5vw,3.6rem); line-height:1; white-space:nowrap;
}
.support-band h3{
  font-family:var(--serif); font-weight:500; color:var(--ink);
  font-size:clamp(1.15rem,1.9vw,1.5rem); line-height:1.7; margin:0 0 .7em; letter-spacing:.03em;
}
.support-band p{ font-size:.96rem; line-height:2.05; margin:0; color:var(--body); }

/* ============================================================
   FULL-BLEED FEATURE (ゆうなぎタイム / メッセージ)
   ============================================================ */
.feature{ position:relative; min-height:92svh; display:flex; align-items:center; overflow:hidden; }
.feature__bg{ position:absolute; inset:0; }
.feature__bg img{ width:100%; height:100%; object-fit:cover; }
.feature__bg::after{ content:""; position:absolute; inset:0; }
.feature.dim .feature__bg::after{ background:linear-gradient(90deg, rgba(30,22,14,.6) 0%, rgba(30,22,14,.34) 48%, rgba(30,22,14,.1) 100%); }
.feature__inner{ position:relative; z-index:2; }
.feature .eyebrow .lbl, .feature .eyebrow .num{ color:#f3e7d4; }
.feature .eyebrow .tick{ background:rgba(255,255,255,.4); }
.feature h2{
  font-family:var(--serif); font-weight:500; color:#fff;
  font-size:clamp(1.7rem,3.6vw,3rem); line-height:1.66; letter-spacing:.045em;
  margin:0 0 1em; text-shadow:0 2px 26px rgba(20,12,6,.4); text-wrap:balance;
}
.feature p{ color:rgba(255,255,255,.93); font-size:1.02rem; line-height:2.15; max-width:32em; text-shadow:0 1px 14px rgba(20,12,6,.35); }
.feature .catch{
  margin-top:2em; font-family:var(--serif); font-style:normal; color:#fff;
  font-size:clamp(1.15rem,2vw,1.6rem); letter-spacing:.08em; line-height:1.7;
  padding-left:20px; border-left:2px solid var(--gold);
}

/* ============================================================
   MALAWI — connection placeholder
   ============================================================ */
.malawi-visual{
  position:relative; border-radius:var(--radius); overflow:hidden;
  background:
    repeating-linear-gradient(135deg, rgba(166,124,82,.05) 0 14px, rgba(166,124,82,0) 14px 28px),
    linear-gradient(160deg, var(--sea) 0%, #eef3f2 55%, var(--cream) 100%);
  aspect-ratio:4/3.05; display:flex; align-items:center; justify-content:center;
  border:1px solid var(--line);
}
.malawi-visual svg{ width:86%; height:auto; }
.malawi-visual .ph-note{
  position:absolute; bottom:14px; left:0; right:0; text-align:center;
  font-family:"Courier New", monospace; font-size:.72rem; letter-spacing:.12em;
  color:var(--brown); opacity:.7;
}
.map-dot-label{ font-family:var(--en); font-style:italic; font-size:13px; fill:var(--ink-2); letter-spacing:.04em; }

/* ============================================================
   実績  CARDS
   ============================================================ */
.work-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(18px,2.4vw,28px); margin-top:8px; }
.wcard{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:clamp(26px,2.6vw,36px); position:relative; overflow:hidden;
  transition:transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .4s, border-color .4s;
}
.wcard:hover{ transform:translateY(-5px); box-shadow:0 26px 50px -34px rgba(120,86,50,.5); border-color:var(--gold); }
.wcard .wnum{ font-family:var(--en); font-style:italic; color:var(--gold); font-size:1.1rem; letter-spacing:.06em; }
.wcard h4{ font-family:var(--serif); font-weight:500; color:var(--ink); font-size:1.12rem; line-height:1.7; letter-spacing:.03em; margin:.6em 0 .55em; }
.wcard p{ font-size:.9rem; line-height:1.95; color:var(--body); margin:0; }
.wcard .corner{ position:absolute; top:0; right:0; width:44px; height:44px; background:linear-gradient(135deg, transparent 50%, var(--cream) 50%); }

/* ============================================================
   CTA
   ============================================================ */
.cta{ text-align:center; }
.cta .wrap{ max-width:780px; }
.cta h2{
  font-family:var(--serif); font-weight:500; color:var(--ink);
  font-size:clamp(1.6rem,3vw,2.5rem); line-height:1.7; letter-spacing:.05em; margin:0 0 1em; text-wrap:balance;
}
.cta p{ color:var(--body); font-size:1rem; line-height:2.15; max-width:34em; margin:0 auto 2.6em; }
.cta .btns{ justify-content:center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background:var(--ink); color:#e9e2d6; padding-block:clamp(56px,7vw,88px); }
.site-footer a{ color:#e9e2d6; }
.foot-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:clamp(30px,5vw,64px); }
.foot-brand .fb-row{ display:flex; align-items:center; gap:12px; margin-bottom:20px; }
.foot-brand img{ width:46px; height:46px; object-fit:contain; filter:brightness(0) invert(1); opacity:.92; }
.foot-brand .nm{ font-family:var(--serif); font-size:1.15rem; letter-spacing:.16em; }
.foot-brand .nm .en{ display:block; font-family:var(--en); font-style:italic; font-size:.85rem; letter-spacing:.24em; color:var(--gold); margin-top:2px; }
.foot-brand p{ font-size:.86rem; line-height:2; color:#bdb4a5; max-width:26em; }
.foot-col h5{ font-family:var(--en); font-size:.78rem; letter-spacing:.3em; text-transform:uppercase; color:var(--gold); margin:0 0 1.4em; font-weight:600; }
.foot-col ul{ list-style:none; margin:0; padding:0; display:grid; gap:.95em; }
.foot-col a{ font-size:.9rem; color:#cfc7b9; transition:color .3s; }
.foot-col a:hover{ color:#fff; }
.foot-bottom{ margin-top:clamp(44px,5vw,68px); padding-top:26px; border-top:1px solid rgba(255,255,255,.12);
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center;
  font-size:.76rem; letter-spacing:.08em; color:#9a9082; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity 1.1s cubic-bezier(.2,.7,.25,1), transform 1.1s cubic-bezier(.2,.7,.25,1); }
.reveal.in{ opacity:1; transform:none; }
.no-js .reveal{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.12s; }
.reveal.d2{ transition-delay:.24s; }
.reveal.d3{ transition-delay:.36s; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .scroll-hint .bar{ animation:none; }
  html{ scroll-behavior:auto; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px){
  .nav{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .split{ grid-template-columns:1fr; gap:38px; }
  .split.reverse .split__media{ order:0; }
  .split__media img, .split__media.tall img{ aspect-ratio:4/3; }
  .product-grid{ grid-template-columns:1fr; }
  .product-grid .stack{ grid-template-rows:none; grid-template-columns:1fr 1fr; }
  .support-band{ grid-template-columns:1fr; text-align:left; }
  .work-grid{ grid-template-columns:1fr 1fr; }
  .foot-top{ grid-template-columns:1fr 1fr; }
  .foot-brand{ grid-column:1 / -1; }
}
@media (max-width: 560px){
  :root{ --sec-pad: clamp(64px, 16vw, 96px); }
  .hero{ min-height:92svh; }
  .btn{ padding:.95em 1.6em; font-size:.9rem; }
  .btns{ gap:12px; }
  .product-grid .stack{ grid-template-columns:1fr; }
  .work-grid{ grid-template-columns:1fr; }
  .foot-top{ grid-template-columns:1fr; }
  .support-band{ padding:30px 24px; }
  .feature .catch{ font-size:1.15rem; }
}

/* ============================================================
   04 茶葉へのこだわり (tea quality)
   ============================================================ */
.tea-quality{
  margin-bottom:clamp(44px,6vw,72px);
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:clamp(26px,3.4vw,42px);
}
.tq-eyebrow{
  font-family:var(--en); font-style:italic; color:var(--brown);
  letter-spacing:.18em; font-size:.92rem; margin:0 0 1.3em;
}
.tq-list{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:1em clamp(28px,4vw,56px); }
.tq-list li{ display:flex; align-items:flex-start; gap:.75em; font-size:.95rem; line-height:1.85; color:var(--body); }
.tq-list b{ color:var(--ink); font-weight:500; }
.tq-mark{ flex:0 0 auto; width:7px; height:7px; margin-top:.72em; border-radius:50%; background:var(--gold); }
@media (max-width:700px){ .tq-list{ grid-template-columns:1fr; gap:.85em; } }

/* ============================================================
   06 給食の数字 (meal stats)
   ============================================================ */
.meal-stats{ margin-top:clamp(44px,5.5vw,68px); }
.meal-stats .ms-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(16px,2vw,24px); }
.ms-item{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
  padding:clamp(22px,2.6vw,32px) clamp(14px,1.6vw,20px); text-align:center;
}
.ms-num{
  display:block; font-family:var(--en); font-style:italic; color:var(--brown);
  font-size:clamp(1.7rem,3vw,2.5rem); line-height:1; letter-spacing:.01em; white-space:nowrap;
}
.ms-num small{ font-family:var(--sans); font-style:normal; font-size:.4em; color:var(--muted); margin:0 .12em; letter-spacing:.02em; }
.ms-lbl{ display:block; margin-top:1em; font-size:.8rem; line-height:1.7; color:var(--body); }
.ms-note{ margin-top:clamp(22px,2.6vw,30px); font-size:.92rem; line-height:2; color:var(--muted); text-align:center; max-width:42em; margin-inline:auto; }
@media (max-width:900px){ .meal-stats .ms-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .meal-stats .ms-grid{ gap:12px; } .ms-item{ padding:20px 10px; } .ms-num{ font-size:clamp(1.5rem,7vw,2rem); } }

/* ---- 04 tea-quality: 2-col with photo (override) ---- */
.tea-quality{
  display:grid; grid-template-columns:0.82fr 1.18fr; gap:clamp(20px,3vw,40px); align-items:center;
  padding:clamp(20px,2.4vw,32px);
}
.tq-media{ border-radius:var(--radius); overflow:hidden; align-self:stretch; }
.tq-media img{ width:100%; height:100%; min-height:200px; aspect-ratio:4/3.4; object-fit:cover; display:block; }
.tea-quality .tq-list{ grid-template-columns:1fr; gap:.95em; }
@media (max-width:760px){
  .tea-quality{ grid-template-columns:1fr; }
  .tq-media img{ aspect-ratio:16/9; min-height:0; }
}

/* ---- 07 wcard: photo on top (override) ---- */
.wcard{ padding:0; display:flex; flex-direction:column; }
.wcard-media{ aspect-ratio:3/2; overflow:hidden; background:var(--cream); }
.wcard-media img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .6s cubic-bezier(.2,.7,.3,1); }
.wcard:hover .wcard-media img{ transform:scale(1.045); }
.wcard .wnum{ display:block; padding:clamp(18px,2vw,24px) clamp(20px,2.2vw,28px) 0; }
.wcard h4{ padding:0 clamp(20px,2.2vw,28px); }
.wcard p{ padding:0 clamp(20px,2.2vw,28px) clamp(20px,2.2vw,26px); }