/* =========================================================
   保護猫シェルター QUEUE — design system
   Paper-warm editorial. Quiet, generous, photo-led.
   ========================================================= */

:root{
  /* --- color --- */
  --paper:      #FBF9F5;
  --paper-2:    #F4EFE6;
  --paper-3:    #EDE5D8;
  --ink:        #241F1B;
  --ink-2:      #4A423A;
  --ink-3:      #7A7066;
  --line:       #E3DACD;
  --line-2:     #D3C7B5;
  --clay:       #A9543D;
  --clay-2:     #C4775F;
  --clay-wash:  #F6ECE6;
  --moss:       #66715A;

  /* --- type --- */
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --sans:  "Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  /* --- metrics --- */
  --gut: clamp(20px, 5vw, 64px);
  --maxw: 1240px;
  --readw: 34em;
  --r: 2px;

  /* --- motion --- */
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  font-feature-settings:"palt" 1;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* subtle paper grain */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none; z-index:9999;
  opacity:.28;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:inherit; text-decoration:none; }

::selection{ background:var(--clay); color:var(--paper); }

:focus-visible{
  outline:2px solid var(--clay);
  outline-offset:3px;
}

.skip{
  position:absolute; left:-9999px; top:0;
  background:var(--ink); color:var(--paper);
  padding:12px 20px; z-index:10000;
}
.skip:focus{ left:8px; top:8px; }

/* ---------- layout ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut); }
.narrow{ max-width:860px; }
.section{ padding-block:clamp(64px,10vw,140px); }
.section--tint{ background:var(--paper-2); }
.section--ink{ background:var(--ink); color:var(--paper-2); }

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

/* ---------- type ---------- */
.eyebrow{
  font-size:11px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--clay); font-weight:500; margin:0 0 20px;
  display:flex; align-items:center; gap:14px;
}
.eyebrow::after{ content:""; flex:1; height:1px; background:var(--line-2); max-width:80px; }
.eyebrow--center{ justify-content:center; }
.eyebrow--center::before{ content:""; flex:1; height:1px; background:var(--line-2); max-width:80px; }

h1,h2,h3,h4{ font-family:var(--serif); font-weight:600; letter-spacing:.04em; line-height:1.5; margin:0; }

.h-display{ font-size:clamp(30px,5.4vw,58px); line-height:1.42; }
.h-xl{ font-size:clamp(25px,3.6vw,40px); line-height:1.5; }
.h-lg{ font-size:clamp(20px,2.4vw,27px); line-height:1.6; }
.h-md{ font-size:clamp(17px,1.7vw,20px); line-height:1.7; }

.lead{ font-size:clamp(15px,1.55vw,18px); line-height:2.1; color:var(--ink-2); max-width:var(--readw); }
.muted{ color:var(--ink-3); }
.small{ font-size:13.5px; line-height:1.95; }
p{ margin:0 0 1.35em; }
p:last-child{ margin-bottom:0; }
.mt-l{ margin-top:clamp(28px,4vw,52px); }
.mt-m{ margin-top:24px; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:12px;
  font-family:var(--sans); font-size:14px; font-weight:500; letter-spacing:.1em;
  padding:16px 30px; border:1px solid var(--ink); border-radius:var(--r);
  background:var(--ink); color:var(--paper);
  transition:background .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), transform .4s var(--ease);
}
.btn:hover{ background:var(--clay); border-color:var(--clay); transform:translateY(-2px); }
.btn--ghost{ background:transparent; color:var(--ink); }
.btn--ghost:hover{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
.btn--light{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.btn--light:hover{ background:var(--clay); border-color:var(--clay); color:var(--paper); }
.btn .arw{ transition:transform .4s var(--ease); }
.btn:hover .arw{ transform:translateX(5px); }

.btns{ display:flex; flex-wrap:wrap; gap:14px; }

.tlink{
  display:inline-flex; align-items:center; gap:10px;
  font-size:14px; letter-spacing:.08em; font-weight:500;
  padding-bottom:5px; border-bottom:1px solid var(--line-2);
  transition:border-color .4s var(--ease), color .4s var(--ease);
}
.tlink:hover{ color:var(--clay); border-color:var(--clay); }
.tlink .arw{ transition:transform .4s var(--ease); }
.tlink:hover .arw{ transform:translateX(5px); }

/* ---------- header ---------- */
.hd{
  position:fixed; inset:0 0 auto 0; z-index:100;
  padding-top:env(safe-area-inset-top,0px);
  transition:background .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
  border-bottom:1px solid transparent;
}
.hd.is-solid{
  background:rgba(251,249,245,.93);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.hd__in{ display:flex; align-items:center; justify-content:space-between; gap:24px; height:76px; }
.brand{ display:flex; align-items:baseline; gap:12px; }
.brand__mark{ font-family:var(--serif); font-size:23px; letter-spacing:.22em; font-weight:600; }
.brand__sub{ font-size:10.5px; letter-spacing:.24em; color:var(--ink-3); }

.nav{ display:flex; align-items:center; gap:clamp(18px,2.4vw,36px); }
.nav a{ font-size:13.5px; letter-spacing:.09em; position:relative; padding-block:6px; }
.nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--clay); transform:scaleX(0); transform-origin:left;
  transition:transform .45s var(--ease);
}
.nav a:hover::after,.nav a[aria-current="page"]::after{ transform:scaleX(1); }
.nav__cta{ margin-left:8px; }

.burger{
  display:none; width:44px; height:44px; border:1px solid var(--line-2);
  background:transparent; border-radius:var(--r); cursor:pointer;
  align-items:center; justify-content:center; flex-direction:column; gap:5px;
}
.burger span{ display:block; width:18px; height:1px; background:var(--ink); transition:transform .4s var(--ease), opacity .3s; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

@media (max-width:900px){
  .nav{
    position:fixed; inset:0; background:var(--paper);
    flex-direction:column; justify-content:center; gap:30px;
    transform:translateY(-100%); transition:transform .6s var(--ease);
    padding-top:env(safe-area-inset-top,0px);
  }
  .nav.is-open{ transform:translateY(0); }
  .nav a{ font-size:19px; font-family:var(--serif); }
  .burger{ display:flex; position:relative; z-index:101; }
}

/* ---------- hero ---------- */
.hero{ position:relative; min-height:clamp(560px,92vh,940px); display:flex; align-items:flex-end; padding-bottom:clamp(48px,8vw,96px); padding-top:140px; }
.hero__bg{ position:absolute; inset:0; overflow:hidden; }
.hero__bg .ph{ width:100%; height:100%; border:0; }
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg,rgba(36,31,27,.34) 0%,rgba(36,31,27,.12) 38%,rgba(36,31,27,.72) 100%);
}
.hero__in{ position:relative; z-index:2; color:#fff; }
.hero__in .eyebrow{ color:#F0D9CF; }
.hero__in .eyebrow::after{ background:rgba(255,255,255,.45); }
.hero h1{ max-width:16em; text-shadow:0 1px 32px rgba(0,0,0,.28); }
.hero__note{ margin-top:26px; max-width:30em; font-size:15px; line-height:2; color:rgba(255,255,255,.92); text-shadow:0 1px 18px rgba(0,0,0,.4); }
.hero .btns{ margin-top:38px; }

/* ---------- placeholder frames ---------- */
.ph{
  position:relative; overflow:hidden;
  background:
    radial-gradient(120% 90% at 22% 12%, #E8DCC9 0%, rgba(232,220,201,0) 58%),
    radial-gradient(100% 80% at 82% 88%, #D9C3B2 0%, rgba(217,195,178,0) 60%),
    linear-gradient(145deg, #E4D7C4 0%, #CBB7A4 52%, #BCA692 100%);
  border:1px solid var(--line-2);
  display:flex; align-items:center; justify-content:center;
  color:#584B3E;
}
.ph::after{
  content:""; position:absolute; inset:9px; border:1px solid rgba(255,255,255,.4); pointer-events:none;
}
.ph__label{
  position:relative; z-index:2; text-align:center;
  font-size:10.5px; letter-spacing:.22em; line-height:2.1;
  padding:14px 20px; max-width:82%;
  text-transform:uppercase;
}
.ph__label b{ display:block; font-weight:500; font-size:12px; letter-spacing:.14em; text-transform:none; margin-bottom:4px; }
.ph--warm{ background:linear-gradient(150deg,#EBDCC8,#D3B69E 60%,#C2A187); }
.ph--cool{ background:linear-gradient(150deg,#DFE0D6,#BFC3B2 60%,#A9AF9C); }
.ph--dusk{ background:linear-gradient(150deg,#D7C6BC,#B49A90 58%,#8E7266); }
.ph--r43{ aspect-ratio:4/3; }
.ph--r11{ aspect-ratio:1/1; }
.ph--r32{ aspect-ratio:3/2; }
.ph--r45{ aspect-ratio:4/5; }
.ph--r169{ aspect-ratio:16/9; }

/* ---------- intro split ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,6vw,90px); align-items:center; }
.split--rev .split__media{ order:2; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } .split--rev .split__media{ order:0; } }

.stack-media{ position:relative; }
.stack-media .ph:nth-child(2){
  position:absolute; width:46%; right:-6%; bottom:-11%;
  box-shadow:0 22px 50px -24px rgba(36,31,27,.4);
}
@media (max-width:640px){ .stack-media .ph:nth-child(2){ width:44%; right:-2%; bottom:-8%; } }

/* ---------- facts ---------- */
.facts{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); }
.facts__i{ padding:clamp(24px,3.4vw,40px) 20px; border-bottom:1px solid var(--line); border-right:1px solid var(--line); }
.facts__i:last-child{ border-right:0; }
.facts__n{ font-family:var(--serif); font-size:clamp(26px,3.4vw,40px); line-height:1.25; display:block; }
.facts__n small{ font-size:.46em; letter-spacing:.08em; margin-left:4px; }
.facts__t{ font-size:12px; letter-spacing:.14em; color:var(--ink-3); margin-top:10px; display:block; }
@media (max-width:760px){
  .facts{ grid-template-columns:repeat(2,1fr); }
  .facts__i:nth-child(2n){ border-right:0; }
}

/* ---------- cat cards ---------- */
.cats{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(18px,2.4vw,32px); }
@media (max-width:980px){ .cats{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:520px){ .cats{ grid-template-columns:1fr; } }
.cat__media{ overflow:hidden; }
.cat__media .ph{ transition:transform 1.1s var(--ease); }
.cat:hover .cat__media .ph{ transform:scale(1.045); }
.cat__name{ font-family:var(--serif); font-size:20px; margin-top:18px; display:flex; align-items:baseline; gap:10px; }
.cat__name span{ font-family:var(--sans); font-size:11.5px; letter-spacing:.14em; color:var(--ink-3); }
.cat__meta{ font-size:13px; color:var(--ink-2); margin-top:8px; line-height:1.9; }
.tag{
  display:inline-block; font-size:11px; letter-spacing:.1em;
  padding:4px 11px; border:1px solid var(--line-2); border-radius:100px;
  color:var(--ink-2); margin:10px 6px 0 0;
}

/* ---------- steps ---------- */
.steps{ counter-reset:s; display:grid; gap:0; }
.step{
  counter-increment:s;
  display:grid; grid-template-columns:96px 1fr; gap:clamp(18px,3vw,44px);
  padding-block:clamp(26px,3.6vw,40px);
  border-top:1px solid var(--line);
  align-items:start;
}
.step:last-child{ border-bottom:1px solid var(--line); }
.step::before{
  content:counter(s,decimal-leading-zero);
  font-family:var(--serif); font-size:clamp(24px,3vw,34px); color:var(--clay); line-height:1.2;
}
.step h3{ margin-bottom:12px; }
.step p{ color:var(--ink-2); font-size:15px; max-width:44em; }
@media (max-width:640px){ .step{ grid-template-columns:56px 1fr; } }

/* ---------- reason list (譲渡条件) ---------- */
.reasons{ display:grid; gap:2px; }
.reason{ background:var(--paper); border:1px solid var(--line); padding:clamp(22px,3vw,34px); }
.section--tint .reason{ background:var(--paper); }
.reason h3{ font-size:18px; margin-bottom:10px; }
.reason .why{
  margin-top:14px; padding-top:14px; border-top:1px dashed var(--line-2);
  font-size:13.5px; line-height:1.95; color:var(--ink-2);
}
.reason .why b{ color:var(--clay); font-weight:500; letter-spacing:.06em; }
@media (min-width:820px){ .reasons{ grid-template-columns:1fr 1fr; gap:18px; } }

/* ---------- support cards ---------- */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(16px,2vw,26px); }
@media (max-width:900px){ .cards{ grid-template-columns:1fr; } }
.card{
  background:var(--paper); border:1px solid var(--line);
  padding:clamp(26px,3vw,38px); display:flex; flex-direction:column;
  transition:border-color .5s var(--ease), transform .5s var(--ease);
}
.card:hover{ border-color:var(--line-2); transform:translateY(-3px); }
.card h3{ font-size:20px; margin-bottom:14px; }
.card p{ font-size:14px; color:var(--ink-2); flex:1; }
.card .tlink{ margin-top:22px; align-self:flex-start; }
.card__k{ font-size:11px; letter-spacing:.2em; color:var(--clay); margin-bottom:18px; }

/* ---------- social grid ---------- */
.socials{ display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid rgba(255,255,255,.14); }
.social{
  padding:clamp(24px,3vw,38px) clamp(18px,2vw,30px);
  border-bottom:1px solid rgba(255,255,255,.14);
  border-right:1px solid rgba(255,255,255,.14);
  display:flex; flex-direction:column; gap:10px;
  transition:background .45s var(--ease);
}
.social:hover{ background:rgba(255,255,255,.06); }
.social:nth-child(3n){ border-right:0; }
.social__n{ font-family:var(--serif); font-size:19px; letter-spacing:.06em; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.social__d{ font-size:12.5px; color:rgba(244,239,230,.62); line-height:1.85; }
.social__h{ font-size:11px; letter-spacing:.14em; color:rgba(244,239,230,.45); }
@media (max-width:760px){
  .socials{ grid-template-columns:1fr; }
  .social{ border-right:0; }
}

/* ---------- access ---------- */
.access{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(28px,4vw,64px); }
@media (max-width:880px){ .access{ grid-template-columns:1fr; } }
.dl{ display:grid; gap:0; margin:0; }
.dl__row{ display:grid; grid-template-columns:8.5em 1fr; gap:16px; padding-block:16px; border-bottom:1px solid var(--line); }
.dl dt{ font-size:12px; letter-spacing:.14em; color:var(--ink-3); padding-top:4px; }
.dl dd{ margin:0; font-size:15px; line-height:1.9; }
@media (max-width:520px){ .dl__row{ grid-template-columns:1fr; gap:4px; } }

/* ---------- quote ---------- */
.quote{ text-align:center; max-width:30em; margin-inline:auto; }
.quote p{ font-family:var(--serif); font-size:clamp(19px,2.5vw,29px); line-height:2; }
.quote cite{ display:block; margin-top:28px; font-style:normal; font-size:12px; letter-spacing:.18em; color:var(--ink-3); }

/* ---------- faq ---------- */
.faq{ border-top:1px solid var(--line); }
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{
  list-style:none; cursor:pointer; padding-block:22px;
  display:flex; align-items:flex-start; gap:16px;
  font-family:var(--serif); font-size:clamp(16px,1.8vw,19px); line-height:1.7;
  transition:color .35s var(--ease);
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary:hover{ color:var(--clay); }
.faq summary::before{ content:"Q"; font-size:12px; letter-spacing:.1em; color:var(--clay); padding-top:6px; flex:none; }
.faq summary::after{
  content:""; flex:none; margin-left:auto; width:11px; height:11px; margin-top:10px;
  border-right:1px solid var(--ink-3); border-bottom:1px solid var(--ink-3);
  transform:rotate(45deg); transition:transform .4s var(--ease);
}
.faq details[open] summary::after{ transform:rotate(-135deg); }
.faq .a{ padding:0 0 26px 28px; font-size:14.5px; color:var(--ink-2); max-width:48em; }

/* ---------- callout ---------- */
.callout{
  background:var(--clay-wash); border-left:2px solid var(--clay);
  padding:clamp(22px,3vw,32px); font-size:14.5px; line-height:2;
}
.callout h3{ font-size:17px; margin-bottom:10px; }

/* ---------- page head ---------- */
.phead{ padding-top:clamp(140px,18vw,210px); padding-bottom:clamp(44px,6vw,76px); }
.phead h1{ max-width:15em; }
.phead .lead{ margin-top:24px; }
.crumb{ font-size:11.5px; letter-spacing:.14em; color:var(--ink-3); margin-bottom:22px; }
.crumb a:hover{ color:var(--clay); }

/* ---------- footer ---------- */
.ft{ background:var(--ink); color:var(--paper-2); padding-block:clamp(56px,7vw,88px) 0; }
.ft a:hover{ color:var(--clay-2); }
.ft__top{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:clamp(28px,4vw,56px); padding-bottom:clamp(40px,5vw,64px); }
@media (max-width:820px){ .ft__top{ grid-template-columns:1fr; } }
.ft__mark{ font-family:var(--serif); font-size:26px; letter-spacing:.22em; }
.ft__desc{ font-size:13px; line-height:2; color:rgba(244,239,230,.66); max-width:26em; margin-top:18px; }
.ft h4{ font-size:11px; letter-spacing:.2em; color:rgba(244,239,230,.45); font-family:var(--sans); font-weight:500; margin-bottom:18px; }
.ft ul{ list-style:none; margin:0; padding:0; display:grid; gap:12px; }
.ft ul a{ font-size:13.5px; color:rgba(244,239,230,.88); }
.ft__bot{
  border-top:1px solid rgba(255,255,255,.13);
  padding-block:26px calc(26px + env(safe-area-inset-bottom,0px));
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between;
  font-size:11.5px; letter-spacing:.1em; color:rgba(244,239,230,.45);
}

/* ---------- reveal ---------- */
.rv{ opacity:0; transform:translateY(22px); transition:opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in{ opacity:1; transform:none; }
.rv.d1{ transition-delay:.09s } .rv.d2{ transition-delay:.18s } .rv.d3{ transition-delay:.27s } .rv.d4{ transition-delay:.36s }

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation:none!important; transition:none!important; }
  html{ scroll-behavior:auto; }
  .rv{ opacity:1; transform:none; }
}