/* ================================================================
   sonon — design system
   実店舗の内装（グレージュ塗り壁・生成りシアーカーテン・トラバーチン床・
   黒スチール建具・真鍮灯具・アーチ開口・リブカウンター）をウェブに翻訳
   ================================================================ */

:root {
  --paper:  #F6F1EA;  /* 生成り（ベース背景） */
  --sand:   #EFE8DD;  /* セクション交互背景 */
  --plaster:#E7DED1;  /* 塗り壁の影 */
  --greige: #C9BAA5;  /* グレージュ */
  --taupe:  #A08D74;  /* 濃いグレージュ（英字ラベル） */
  --ink:    #463D33;  /* 本文（黒に寄せた焦茶） */
  --soft:   #7B7060;  /* 補助テキスト */
  --line:   #DFD4C4;  /* 罫線 */
  --door:   #26221D;  /* 黒スチール建具 */
  --brass:  #A98A52;  /* 真鍮 */
  --green:  #85937A;  /* グリーン */
  --serif-en: "Cormorant Garamond", "Times New Roman", serif;
  --serif-jp: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans-jp:  "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans-jp);
  font-size: 15.5px;
  line-height: 2;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------------- header ---------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(246, 241, 234, .92);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 92px; height: auto; }
.brand-copy { font-size: 10.5px; letter-spacing: .18em; color: var(--soft); }

.nav-toggle-box { display: none; }
.nav-toggle { display: none; }

.global-nav ul { display: flex; gap: 26px; list-style: none; align-items: center; }
.global-nav a {
  text-decoration: none; font-size: 13.5px; letter-spacing: .1em; color: var(--ink);
  padding: 6px 0; border-bottom: 1px solid transparent; transition: border-color .25s, color .25s;
}
.global-nav a:hover, .global-nav a[aria-current="page"] { border-bottom-color: var(--brass); color: var(--taupe); }
.nav-cta {
  background: var(--door); color: #fff !important; border-radius: 999px;
  padding: 9px 20px !important; border-bottom: none !important; transition: background .25s;
}
.nav-cta:hover { background: var(--brass); color: #fff !important; }

@media (max-width: 860px) {
  .global-nav {
    position: fixed; top: 64px; right: 0; left: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .35s ease;
  }
  .global-nav ul { flex-direction: column; gap: 0; padding: 8px 0; }
  .global-nav li { width: 100%; text-align: center; }
  .global-nav a { display: block; padding: 13px 0; font-size: 15px; border-bottom: none; }
  .global-nav .nav-cta { margin: 10px auto 12px; display: inline-block; padding: 11px 34px !important; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; cursor: pointer; align-items: center;
  }
  .nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: transform .3s, opacity .3s; }
  .nav-toggle-box:checked ~ .global-nav { max-height: 420px; }
  .nav-toggle-box:checked ~ .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-toggle-box:checked ~ .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-toggle-box:checked ~ .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---------------- hero ---------------- */
.hero { position: relative; min-height: 88svh; display: grid; place-items: center; overflow: hidden; margin-top: 64px; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 72% 62% at 50% 55%, rgba(38,34,29,.46) 0%, rgba(38,34,29,.16) 70%, transparent 100%),
    linear-gradient(180deg, rgba(70,61,51,.34) 0%, rgba(70,61,51,.24) 45%, rgba(70,61,51,.5) 100%);
}
.hero-inner { position: relative; z-index: 1; text-align: center; color: #fff; padding: 96px 24px; }
.hero-eyebrow { font-family: var(--serif-en); font-size: 13px; letter-spacing: .42em; text-transform: uppercase; opacity: .92; }
.hero h1 {
  font-family: var(--serif-jp); font-weight: 500; font-size: clamp(26px, 6vw, 42px);
  letter-spacing: .14em; line-height: 1.9; margin: 26px 0 18px;
  text-shadow: 0 1px 24px rgba(38,34,29,.35);
}
.hero-lead { font-size: clamp(13.5px, 3.4vw, 15.5px); line-height: 2.2; letter-spacing: .08em; opacity: .96; }
.hero-note { margin-top: 20px; font-size: 12px; letter-spacing: .14em; opacity: .85; }
.hero-cta { margin-top: 34px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; text-decoration: none; text-align: center;
  border-radius: 999px; padding: 15px 38px; font-size: 14px; letter-spacing: .12em;
  transition: background .25s, color .25s, border-color .25s;
}
.btn-primary { background: var(--door); color: #fff; border: 1px solid var(--door); }
.btn-primary:hover { background: var(--brass); border-color: var(--brass); }
.btn-ghost { border: 1px solid rgba(255,255,255,.75); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.16); }
.btn-outline { border: 1px solid var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }

/* ---------------- sections ---------------- */
.section { padding: 84px 20px; }
.section-alt { background: var(--sand); }
.section-inner { max-width: 1080px; margin: 0 auto; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-label { font-family: var(--serif-en); font-size: 13px; letter-spacing: .38em; text-transform: uppercase; color: var(--brass); }
.section-title { font-family: var(--serif-jp); font-weight: 500; font-size: clamp(21px, 4.6vw, 28px); letter-spacing: .16em; margin-top: 14px; }
.section-sub { color: var(--soft); font-size: 13px; margin-top: 12px; letter-spacing: .08em; }

.summary-lead { max-width: 720px; margin: 0 auto 48px; text-align: center; font-size: 14.5px; }
.summary-lead strong { font-weight: 700; }

/* arch image（アーチ開口・建具の窓のモチーフ） */
.arch { border-radius: 999px 999px 18px 18px / 460px 460px 18px 18px; overflow: hidden; }

/* promises */
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
@media (max-width: 780px) { .promise-grid { grid-template-columns: 1fr; gap: 40px; } }
.promise { text-align: center; padding: 0 6px; }
.promise-num { font-family: var(--serif-en); font-size: 15px; letter-spacing: .3em; color: var(--brass); }
.promise-en { font-family: var(--serif-en); font-size: 12.5px; letter-spacing: .3em; text-transform: uppercase; color: var(--taupe); margin-top: 4px; }
.promise h3 { font-family: var(--serif-jp); font-weight: 500; font-size: 19px; letter-spacing: .2em; margin: 14px 0 14px; }
.promise p { font-size: 13.8px; color: var(--soft); text-align: left; }
.promise-rule { width: 34px; height: 1px; background: var(--greige); margin: 0 auto; }

/* ---------------- menu ---------------- */
.menu-note-top { text-align: center; font-size: 13px; color: var(--soft); margin-bottom: 36px; }
.menu-group { margin-bottom: 46px; }
.menu-group-head { display: flex; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 8px; }
.menu-group-en { font-family: var(--serif-en); font-style: italic; font-size: 24px; color: var(--taupe); }
.menu-group-jp { font-size: 13px; letter-spacing: .16em; color: var(--soft); }
.badge {
  display: inline-block; font-size: 10.5px; letter-spacing: .12em; padding: 3px 12px;
  border-radius: 999px; background: var(--door); color: #fff; vertical-align: 2px; margin-left: 10px;
}
.menu-item { display: flex; align-items: baseline; gap: 12px; padding: 17px 4px; border-bottom: 1px solid var(--line); }
.menu-item-name { font-size: 14.5px; }
.menu-item-name small { display: block; color: var(--soft); font-size: 12px; letter-spacing: .06em; }
.menu-item-dots { flex: 1; border-bottom: 1px dotted var(--greige); transform: translateY(-4px); min-width: 24px; }
.menu-item-time { font-size: 12px; color: var(--soft); white-space: nowrap; }
.menu-item-price { font-family: var(--serif-en); font-size: 19px; white-space: nowrap; }
.price-pair { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; white-space: nowrap; }
.price-pair .pp { font-family: var(--serif-en); font-size: 17.5px; line-height: 1.3; }
.price-pair .pp em {
  font-style: normal; font-family: var(--sans-jp); font-size: 10.5px;
  color: #fff; background: var(--taupe); border-radius: 999px;
  padding: 2px 9px; margin-right: 8px; letter-spacing: .12em; vertical-align: 2px;
}
.price-pair .pp-rep em { background: var(--greige); }
.price-pair .pp-rep { color: var(--soft); font-size: 15.5px; }
.menu-fineprint { font-size: 12px; color: var(--soft); line-height: 1.9; margin-top: 18px; }
.menu-links { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 780px) { .menu-links { grid-template-columns: repeat(2, 1fr); } }
.menu-link {
  text-decoration: none; text-align: center; border: 1px solid var(--line); background: #fff;
  border-radius: 14px; padding: 18px 10px; transition: border-color .25s, box-shadow .25s;
}
.menu-link:hover { border-color: var(--brass); box-shadow: 0 6px 22px rgba(70,61,51,.08); }
.menu-link .en { font-family: var(--serif-en); font-style: italic; font-size: 15px; color: var(--taupe); display: block; }
.menu-link .jp { font-size: 13.5px; letter-spacing: .12em; display: block; margin-top: 4px; }
.menu-link .arrow { font-size: 11px; color: var(--brass); display: block; margin-top: 8px; letter-spacing: .2em; }

/* ---------------- feature ---------------- */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
@media (max-width: 840px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-list { list-style: none; display: grid; gap: 26px; }
.feature-list h3 { font-family: var(--serif-jp); font-weight: 500; font-size: 17.5px; letter-spacing: .14em; margin-bottom: 8px; }
.feature-list h3 .en { font-family: var(--serif-en); font-size: 12px; letter-spacing: .26em; color: var(--brass); margin-right: 10px; text-transform: uppercase; }
.feature-list p { font-size: 13.8px; color: var(--soft); }

/* ---------------- table (access / hours / cancel) ---------------- */
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { padding: 15px 8px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
.info-table th { width: 32%; font-weight: 500; color: var(--soft); font-size: 13px; letter-spacing: .12em; white-space: nowrap; }
.info-table td { font-size: 14.5px; }

/* ---------------- flow steps ---------------- */
.steps { list-style: none; counter-reset: step; display: grid; gap: 0; }
.step { position: relative; padding: 0 0 34px 58px; counter-increment: step; }
.step::before {
  content: "0" counter(step);
  position: absolute; left: 0; top: 0;
  font-family: var(--serif-en); font-size: 17px; color: var(--brass);
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--greige); border-radius: 50%; background: #fff;
}
.step:not(:last-child)::after {
  content: ""; position: absolute; left: 20px; top: 44px; bottom: 4px; width: 1px; background: var(--line);
}
.step h3 { font-size: 15.5px; letter-spacing: .12em; font-weight: 700; margin-bottom: 6px; }
.step p { font-size: 13.8px; color: var(--soft); }

/* ---------------- FAQ / policy ---------------- */
.qa { border-bottom: 1px solid var(--line); padding: 22px 4px; }
.qa h3 { font-family: var(--serif-jp); font-weight: 500; font-size: 16.5px; letter-spacing: .1em; margin-bottom: 10px; }
.qa h3::before { content: "—"; font-family: var(--serif-en); color: var(--brass); margin-right: 10px; }
.qa p, .qa li { font-size: 14px; color: var(--soft); }
.qa ul { padding-left: 1.4em; }

/* ---------------- reservation ---------------- */
.reserve-box {
  background: #fff; border: 1px solid var(--line); border-radius: 22px;
  padding: 44px 28px; text-align: center; max-width: 640px; margin: 0 auto;
}
.reserve-box .lead { font-size: 14px; margin-bottom: 24px; }
.reserve-note { font-size: 12px; color: var(--soft); margin-top: 14px; }
.line-band { display: flex; gap: 18px; align-items: center; justify-content: center; margin-top: 26px; flex-wrap: wrap; }
.line-band img { width: 92px; border: 1px solid var(--line); border-radius: 10px; }
.line-band p { font-size: 12.5px; color: var(--soft); text-align: left; }

/* ---------------- footer ---------------- */
.site-footer { background: var(--door); color: #E8E1D6; padding: 64px 20px 34px; }
.footer-inner { max-width: 1080px; margin: 0 auto; text-align: center; }
.site-footer img.footer-logo { width: 150px; margin: 0 auto 24px; opacity: .95; }
.footer-info { font-size: 13px; line-height: 2.2; letter-spacing: .08em; color: #CFC5B4; }
.footer-nav { margin: 28px 0 0; display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; }
.footer-nav a { color: #E8E1D6; text-decoration: none; font-size: 12.5px; letter-spacing: .12em; }
.footer-nav a:hover { color: var(--brass); }
.copyright { margin-top: 30px; font-family: var(--serif-en); font-size: 11px; letter-spacing: .2em; color: #8E8574; }

/* ---------------- page hero (下層) ---------------- */
.page-hero { margin-top: 64px; padding: 74px 20px 60px; text-align: center; background: var(--sand); }
.page-hero .en { font-family: var(--serif-en); font-style: italic; font-size: 15px; letter-spacing: .2em; color: var(--brass); }
.page-hero h1 { font-family: var(--serif-jp); font-weight: 500; font-size: clamp(23px, 5vw, 32px); letter-spacing: .18em; margin-top: 12px; }
.breadcrumb { max-width: 1080px; margin: 14px auto 0; font-size: 11.5px; color: var(--soft); letter-spacing: .08em; }
.breadcrumb ol { list-style: none; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.breadcrumb li + li::before { content: "›"; margin-right: 8px; color: var(--greige); }
.breadcrumb a { color: var(--soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--brass); }

/* 施術例写真（角丸。アーチは内装写真用） */
.photo-soft { border-radius: 18px; }

/* photo placeholder（要写真） */
.ph {
  display: grid; place-items: center; background: var(--plaster); color: var(--soft);
  font-size: 12.5px; letter-spacing: .12em; min-height: 220px; border-radius: 18px;
  border: 1px dashed var(--greige); text-align: center; line-height: 1.8; padding: 20px;
}

/* 施術例ギャラリー */
.gallery-head {
  text-align: center; margin: 56px 0 22px;
  font-family: var(--serif-en); font-size: 13px; letter-spacing: .34em; text-transform: uppercase; color: var(--brass);
}
.gallery-head span { display: block; font-family: var(--serif-jp); font-size: 17px; letter-spacing: .2em; color: var(--ink); margin-top: 8px; }
.gallery-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-3 img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.gallery-3 figure { margin: 0; }
.gallery-3 figcaption { text-align: center; font-size: 11.5px; letter-spacing: .12em; color: var(--soft); margin-top: 10px; }
@media (max-width: 640px) {
  .gallery-3 { grid-template-columns: 1fr; gap: 22px; max-width: 420px; margin: 0 auto; }
}
.gallery-note { text-align: center; font-size: 11.5px; color: var(--soft); margin-top: 18px; letter-spacing: .08em; }

.nowrap { white-space: nowrap; }
@media (max-width: 640px) {
  .feature-list h3 .en { display: block; margin-bottom: 4px; }
}

.center { text-align: center; }
.mt-l { margin-top: 44px; }
.recommend-list { list-style: none; display: grid; gap: 12px; max-width: 640px; margin: 0 auto; }
.recommend-list li {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; font-size: 14px; display: flex; gap: 12px; align-items: baseline;
}
.recommend-list li::before { content: "✓"; color: var(--brass); font-weight: 700; }