/* ==========================================================
   サロン ねこのひたい — 共通スタイル
   ナチュラル・アンティーク
   ========================================================== */

:root{
  --paper:        #f5f0e6;
  --paper-2:      #ede5d4;
  --paper-3:      #e3d8c2;
  --ink:          #2c2620;
  --ink-soft:     #4a4138;
  --ink-mute:     #7a6f60;
  --line:         #c9bda4;
  --line-soft:    #d9cfb8;
  --accent:       #7a6248;       /* antique brown */
  --accent-2:     #a8896c;       /* sepia */
  --accent-deep:  #5a4632;
  --rust:         #9a5a3c;       /* used sparingly */

  --serif-en: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --serif-jp: "Shippori Mincho", "Noto Serif JP", "游明朝", "Yu Mincho", serif;
  --sans-en:  "Jost", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:     "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --maxw: 1180px;
  --maxw-narrow: 820px;
}

*{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }

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

body{
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.04em;
  font-feature-settings: "palt";
  /* subtle paper grain */
  background-image:
    radial-gradient(rgba(122,98,72,0.035) 1px, transparent 1px),
    radial-gradient(rgba(122,98,72,0.025) 1px, transparent 1px);
  background-size: 22px 22px, 13px 13px;
  background-position: 0 0, 6px 6px;
}

img{ max-width: 100%; display: block; }
a{ color: var(--accent-deep); text-decoration: none; transition: color .25s ease; }
a:hover{ color: var(--rust); }

/* ============================ HEADER ============================ */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245,240,230,0.92);
  backdrop-filter: saturate(120%) blur(8px);
  -webkit-backdrop-filter: saturate(120%) blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}
.brand__mark{ width: 44px; height: 44px; flex: 0 0 auto; }
.brand__text{
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__name{
  font-family: var(--serif-jp);
  font-size: 16px;
  letter-spacing: 0.18em;
}
.brand__sub{
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.nav{ display: flex; align-items: center; gap: 28px; }
.nav a{
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
}
.nav a .num{
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  color: var(--accent-2);
  margin-right: 6px;
  letter-spacing: 0;
}
.nav a:hover, .nav a.is-active{ color: var(--ink); }
.nav a.is-active::after{
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--accent);
}

/* mobile nav */
.nav-toggle{
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span{
  display: block;
  width: 18px; height: 1px;
  background: var(--ink);
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:1px; background: var(--ink);
}
.nav-toggle span::before{ top: -6px; }
.nav-toggle span::after{ top: 6px; }

@media (max-width: 820px){
  .nav-toggle{ display: inline-flex; }
  .nav{
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 32px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform .35s ease;
    border-top: 1px solid var(--line-soft);
  }
  .nav.is-open{ transform: translateX(0); }
  .nav a{ font-size: 16px; }
}

/* ============================ HERO / SECTIONS ============================ */
.hero{
  position: relative;
  padding: 96px 28px 80px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero__eyebrow{
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.14em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero__eyebrow::before{
  content:"";
  width: 36px; height: 1px;
  background: var(--accent);
}

.hero__title{
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(28px, 4.6vw, 56px);
  line-height: 1.45;
  letter-spacing: 0.08em;
  margin: 0 0 28px;
  color: var(--ink);
}
.hero__title em{
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero__lead{
  max-width: 560px;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 2;
}

/* page header (sub-pages) */
.page-head{
  padding: 80px 28px 40px;
  max-width: var(--maxw);
  margin: 0 auto;
  border-bottom: 1px solid var(--line-soft);
}
.page-head__num{
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.page-head__en{
  font-family: var(--serif-en);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  font-style: italic;
  margin: 6px 0 4px;
  color: var(--ink);
  line-height: 1;
}
.page-head__jp{
  font-family: var(--serif-jp);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  margin-top: 14px;
}

/* generic section */
.section{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 28px;
}
.section--narrow{ max-width: var(--maxw-narrow); }
.section__eyebrow{
  font-family: var(--serif-en);
  font-style: italic;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.18em;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 18px;
}
.section__eyebrow::before{
  content:""; width: 28px; height:1px; background: var(--accent);
}
.section__title{
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 34px);
  letter-spacing: 0.12em;
  line-height: 1.5;
  margin: 0 0 32px;
}
.section__title em{
  display: block;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 0.55em;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  font-weight: 400;
}

/* ornaments */
.ornament{
  display: flex; align-items: center; justify-content: center;
  gap: 14px;
  color: var(--accent);
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.2em;
  margin: 24px 0;
}
.ornament::before, .ornament::after{
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--line) 30%, var(--line) 70%, transparent);
  max-width: 120px;
}

/* ============================ BUTTONS ============================ */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.18em;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all .3s ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover{
  background: var(--ink);
  color: var(--paper);
}
.btn .arrow{
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
}
.btn--solid{ background: var(--ink); color: var(--paper); }
.btn--solid:hover{ background: var(--accent-deep); color: var(--paper); }
.btn--ghost{ border-color: var(--line); color: var(--ink-soft); }

/* ============================ FOOTER ============================ */
.site-footer{
  margin-top: 80px;
  border-top: 1px solid var(--line-soft);
  background: var(--paper-2);
  padding: 64px 28px 32px;
}
.site-footer__inner{
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 48px;
}
.foot-brand .brand__mark{ width: 56px; height: 56px; }
.foot-brand p{
  font-size: 12.5px;
  color: var(--ink-mute);
  margin-top: 16px;
  line-height: 2;
}
.foot-col h4{
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  margin: 0 0 18px;
  font-weight: 400;
  letter-spacing: 0.12em;
}
.foot-col ul{
  list-style: none; padding: 0; margin: 0;
}
.foot-col li{
  font-size: 13px;
  margin-bottom: 10px;
  letter-spacing: 0.08em;
}
.foot-col a{ color: var(--ink-soft); }
.foot-col a:hover{ color: var(--accent); }
.foot-info dl{
  margin: 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.9;
}
.foot-info dt{ color: var(--accent); font-family: var(--serif-en); font-style: italic; font-size: 11px; letter-spacing: 0.1em; margin-top: 8px; }
.foot-info dt:first-child{ margin-top: 0; }

.foot-sns{
  display: flex; gap: 14px; margin-top: 16px;
}
.foot-sns a{
  width: 36px; height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-soft);
  transition: all .25s ease;
}
.foot-sns a:hover{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.foot-sns svg{ width: 16px; height: 16px; }

.copyright{
  max-width: var(--maxw);
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

@media (max-width: 820px){
  .site-footer__inner{ grid-template-columns: 1fr 1fr; }
  .foot-brand{ grid-column: 1 / -1; }
  .copyright{ flex-direction: column; gap: 8px; text-align: center; }
}

/* ============================ UTILS ============================ */
.fade-in{ opacity: 0; transform: translateY(12px); transition: opacity 1s ease, transform 1s ease; }
.fade-in.is-in{ opacity: 1; transform: none; }

.divider{
  height: 1px;
  background: linear-gradient(to right, transparent, var(--line), transparent);
  margin: 60px 0;
}

.tag{
  display: inline-block;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
}

/* image frame (polaroid-ish) */
.frame{
  background: #fbf7ee;
  padding: 14px 14px 38px;
  box-shadow:
    0 1px 0 rgba(0,0,0,0.04),
    0 16px 30px -18px rgba(40,30,20,0.25);
  position: relative;
}
.frame img{ width: 100%; display: block; }
.frame__caption{
  position: absolute;
  bottom: 10px;
  left: 0; right: 0;
  text-align: center;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}