/* =========================================================
   汐と灯 — 店舗LP（制作サンプル）
   ========================================================= */

:root {
  /* color */
  --paper: hsl(38 42% 92%);
  --paper-2: hsl(36 36% 87%);
  --card: hsl(40 50% 96%);
  --ink: hsl(30 14% 11%);
  --ink-2: hsl(30 9% 30%);
  --line: hsl(32 18% 76%);
  --accent: hsl(9 59% 42%);       /* 朱 */
  --accent-ink: hsl(40 50% 97%);
  --accent-soft: hsl(10 60% 90%);
  --indigo: hsl(216 35% 19%);     /* 藍 */
  --indigo-ink: hsl(38 40% 92%);
  --ok: hsl(150 45% 32%);
  --ng: hsl(9 59% 42%);
  --shadow: 0 1px 2px hsl(30 30% 20% / .06), 0 12px 32px -12px hsl(30 30% 20% / .22);

  /* type */
  --font-display: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --fs-xs: .8125rem;
  --fs-sm: .9375rem;
  --fs-md: 1rem;
  --fs-lg: 1.25rem;
  --fs-xl: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  --fs-hero: clamp(2.25rem, 1.2rem + 4.6vw, 4.75rem);

  /* space (4px base) */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 20px; --s6: 24px;
  --s8: 32px; --s10: 40px; --s12: 48px; --s16: 64px; --s20: 80px; --s24: 96px;

  --radius: 6px;
  --header-h: 64px;
  --container: 1120px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: hsl(30 10% 9%);
    --paper-2: hsl(30 9% 12%);
    --card: hsl(30 9% 14%);
    --ink: hsl(38 30% 89%);
    --ink-2: hsl(36 14% 70%);
    --line: hsl(30 8% 26%);
    --accent: hsl(10 68% 64%);
    --accent-ink: hsl(30 14% 9%);
    --accent-soft: hsl(10 30% 20%);
    --indigo: hsl(216 30% 15%);
    --indigo-ink: hsl(38 30% 89%);
    --ok: hsl(150 45% 60%);
    --ng: hsl(8 80% 70%);
    --shadow: 0 1px 2px hsl(0 0% 0% / .3), 0 12px 32px -12px hsl(0 0% 0% / .6);
  }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.85;
  letter-spacing: .04em;
  font-feature-settings: "palt" 1;
  overflow-x: hidden;
}
/* 和紙のような粒子 */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: .35;
  mix-blend-mode: multiply;
  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='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .28 0 0 0 0 .2 0 0 0 .18 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) { body::before { mix-blend-mode: screen; opacity: .12; } }

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.4; margin: 0; letter-spacing: .06em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

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

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.narrow { max-width: 760px; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.skip {
  position: absolute; left: 8px; top: -60px; z-index: 200;
  background: var(--ink); color: var(--paper); padding: 8px 16px; border-radius: var(--radius);
}
.skip:focus { top: 8px; }
.pc-only { display: none; }
@media (min-width: 900px) { .pc-only { display: inline; } }

/* ---------- sample bar ---------- */
.sample-bar {
  background: var(--ink);
  color: var(--paper);
  font-size: var(--fs-xs);
  text-align: center;
  padding: 6px 16px;
  line-height: 1.5;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font: 700 var(--fs-sm)/1.2 var(--font-body);
  letter-spacing: .08em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-lg { min-height: 54px; padding: 14px 32px; font-size: var(--fs-md); }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 18px -8px var(--accent); }
.btn-primary:hover { background: color-mix(in hsl, var(--accent), var(--ink) 18%); }
.btn-ghost { border-color: currentColor; color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-light { background: var(--indigo-ink); color: var(--indigo); }
.btn-light:hover { background: #fff; }
.btn-outline-light { border-color: var(--indigo-ink); color: var(--indigo-ink); }
.btn-outline-light:hover { background: color-mix(in hsl, var(--indigo-ink) 14%, transparent); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in hsl, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner {
  width: min(100% - 32px, 1240px); margin-inline: auto;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { width: 36px; height: 36px; }
.logo-text { font-family: var(--font-display); font-weight: 800; font-size: 1.375rem; letter-spacing: .14em; display: flex; align-items: baseline; gap: 6px; }
.logo-text small { font-size: .7rem; font-weight: 700; color: var(--ink-2); letter-spacing: .2em; }

.global-nav ul { display: flex; gap: 4px; }
.global-nav a:not(.btn) {
  display: block; padding: 10px 12px;
  font-size: var(--fs-sm); font-weight: 500;
  text-decoration: none;
  position: relative;
}
.global-nav a:not(.btn)::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 1.5px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.global-nav a:not(.btn):hover::after, .global-nav a[aria-current="true"]::after { transform: scaleX(1); }

.menu-toggle { display: none; }

@media (min-width: 900px) {
  .global-nav { display: flex; align-items: center; gap: 16px; }
}

@media (max-width: 899.98px) {
  .menu-toggle {
    display: grid; place-items: center;
    width: 48px; height: 48px; margin-right: -8px;
    background: none; border: 0; color: var(--ink); cursor: pointer;
  }
  .menu-toggle-bars, .menu-toggle-bars::before, .menu-toggle-bars::after {
    display: block; width: 24px; height: 2px; background: currentColor; border-radius: 2px;
    transition: transform .3s ease, opacity .2s ease;
  }
  .menu-toggle-bars { position: relative; }
  .menu-toggle-bars::before, .menu-toggle-bars::after { content: ""; position: absolute; left: 0; }
  .menu-toggle-bars::before { top: -7px; }
  .menu-toggle-bars::after { top: 7px; }
  .menu-toggle[aria-expanded="true"] .menu-toggle-bars { background: transparent; }
  .menu-toggle[aria-expanded="true"] .menu-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }

  .global-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    max-height: calc(100svh - var(--header-h)); overflow-y: auto;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 24px;
    box-shadow: var(--shadow);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
  }
  .global-nav.is-open { transform: none; opacity: 1; visibility: visible; transition-delay: 0s; }
  .global-nav ul { flex-direction: column; gap: 0; }
  .global-nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: var(--fs-md); }
  .global-nav a:not(.btn)::after { display: none; }
  .nav-cta { width: 100%; margin-top: 16px; min-height: 52px; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  width: min(100% - 32px, 1240px); margin-inline: auto;
  min-height: calc(100svh - var(--header-h) - 30px);
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--s8);
  padding-block: var(--s10) var(--s20);
}
.hero-copy { position: relative; z-index: 2; }
.hero-eyebrow {
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .2em; color: var(--accent);
  margin-bottom: var(--s5);
}
.hero-title { font-size: var(--fs-hero); font-weight: 800; line-height: 1.32; letter-spacing: .04em; }
.hero-title span { display: block; }
.hero-title span:last-child { padding-left: .9em; }
.hero-lead { margin-top: var(--s6); color: var(--ink-2); font-size: var(--fs-md); line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: var(--s8); }
.hero-status {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: var(--s6);
  font-size: var(--fs-sm); font-weight: 500;
  padding: 6px 14px 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--card);
}
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-2); flex: none; }
.status-dot.is-open { background: var(--ok); box-shadow: 0 0 0 0 var(--ok); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in hsl, var(--ok) 60%, transparent); } 80%, 100% { box-shadow: 0 0 0 10px transparent; } }

.hero-visual { position: relative; justify-self: center; width: min(92vw, 560px); }
.hero-dish { width: 100%; filter: drop-shadow(0 30px 40px hsl(30 40% 20% / .22)); animation: float 9s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px) rotate(1.5deg); } }
.hero-vertical {
  position: absolute; top: 4%; right: -2%;
  writing-mode: vertical-rl;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(.9rem, .7rem + .6vw, 1.15rem);
  letter-spacing: .5em; color: var(--ink-2);
}
.hero-stamp {
  position: absolute; left: 0; bottom: 6%;
  width: 104px; height: 104px; border-radius: 50%;
  display: grid; place-content: center; text-align: center;
  background: var(--accent); color: var(--accent-ink);
  font-size: .72rem; line-height: 1.35; letter-spacing: .1em;
  transform: rotate(-10deg);
  box-shadow: var(--shadow);
}
.hero-stamp strong { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: .12em; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%);
  width: 44px; height: 56px; display: grid; place-items: center;
}
.scroll-cue span { width: 1px; height: 40px; background: var(--ink-2); position: relative; overflow: hidden; }
.scroll-cue span::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--paper); animation: drip 2.2s ease-in-out infinite; }
@keyframes drip { to { top: 110%; } }

@media (min-width: 900px) {
  .hero { grid-template-columns: 1.05fr 1fr; padding-block: var(--s16) var(--s24); }
  .hero-visual { width: 100%; }
}

/* ---------- section common ---------- */
.section { padding-block: var(--s20); position: relative; }
@media (min-width: 900px) { .section { padding-block: var(--s24); } }
.section-head { margin-bottom: var(--s12); }
.section-num {
  font-family: var(--font-display); font-weight: 800; font-size: var(--fs-sm);
  color: var(--accent); letter-spacing: .2em;
  display: flex; align-items: center; gap: 12px; margin-bottom: var(--s3);
}
.section-num::after { content: ""; width: 40px; height: 1px; background: currentColor; }
.section-title { font-size: var(--fs-xl); }
.section-lead { margin-top: var(--s4); color: var(--ink-2); max-width: 40em; }

/* ---------- about ---------- */
.about { background: var(--paper-2); }
.features { display: grid; gap: var(--s6); counter-reset: f; }
.feature {
  background: var(--card); border-radius: var(--radius);
  padding: var(--s8) var(--s6);
  position: relative;
  box-shadow: var(--shadow);
  counter-increment: f;
}
.feature::before {
  content: counter(f, cjk-ideographic);
  position: absolute; top: 18px; right: 22px;
  font-family: var(--font-display); font-weight: 800; font-size: 2.5rem; line-height: 1;
  color: var(--accent); opacity: .18;
}
.feature img { width: 96px; height: 96px; margin-bottom: var(--s5); }
.feature h3 { font-size: var(--fs-lg); margin-bottom: var(--s3); }
.feature p { color: var(--ink-2); font-size: var(--fs-sm); }
@media (min-width: 760px) { .features { grid-template-columns: repeat(3, 1fr); } .feature:nth-child(2) { transform: translateY(32px); } }

.chef {
  margin: var(--s20) 0 0;
  display: grid; gap: var(--s6); align-items: center;
  border-top: 1px solid var(--line); padding-top: var(--s12);
}
.chef img { width: 160px; height: 160px; border-radius: 50%; background: var(--card); }
.chef-quote { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-xl); line-height: 1.6; margin-bottom: var(--s3); }
.chef-name { font-weight: 700; margin-bottom: var(--s2); }
.chef-name small { font-weight: 400; color: var(--ink-2); margin-left: 6px; font-size: var(--fs-xs); }
.chef figcaption > p:last-child { color: var(--ink-2); font-size: var(--fs-sm); max-width: 36em; }
@media (min-width: 760px) { .chef { grid-template-columns: 220px 1fr; gap: var(--s12); } .chef img { width: 220px; height: 220px; } }

/* ---------- menu ---------- */
.tabs {
  display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none;
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--s8);
  margin-inline: -16px; padding-inline: 16px;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: none;
  min-height: 48px; padding: 10px 18px;
  background: none; border: 0; border-bottom: 3px solid transparent;
  font: 700 var(--fs-sm)/1.2 var(--font-body); letter-spacing: .08em;
  color: var(--ink-2); cursor: pointer;
  margin-bottom: -1px;
  transition: color .2s ease, border-color .2s ease;
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { animation: fadeUp .4s ease both; }
.tab-panel:focus-visible { outline-offset: 8px; }
.panel-note { font-size: var(--fs-sm); color: var(--ink-2); margin-bottom: var(--s6); padding-left: 14px; border-left: 3px solid var(--accent); }

.menu-list { display: grid; column-gap: var(--s12); }
@media (min-width: 900px) { .menu-list { grid-template-columns: 1fr 1fr; } }
.menu-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: var(--s5) 0;
  border-bottom: 1px dashed var(--line);
}
.menu-name { flex: 1; font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; letter-spacing: .06em; min-width: 0; }
.menu-name small { display: block; font-family: var(--font-body); font-weight: 400; font-size: var(--fs-xs); color: var(--ink-2); letter-spacing: .04em; margin-top: 2px; }
.menu-price { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.menu-price small { font-size: .7rem; margin-left: 2px; font-weight: 700; }
.tag {
  display: inline-block; vertical-align: 2px;
  font-family: var(--font-body); font-size: .6875rem; font-weight: 700; letter-spacing: .08em;
  background: var(--accent); color: var(--accent-ink);
  padding: 1px 8px; border-radius: 3px; margin-right: 8px;
}

.courses { display: grid; gap: var(--s6); margin-bottom: var(--s6); }
@media (min-width: 760px) { .courses { grid-template-columns: 1fr 1fr; } }
.course { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s8); }
.course--rich { background: var(--indigo); color: var(--indigo-ink); border-color: var(--indigo); }
.course h3 { font-size: var(--fs-lg); display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.course h3 span { font-family: var(--font-body); font-size: var(--fs-xs); font-weight: 500; letter-spacing: .1em; }
.course-price { font-family: var(--font-display); font-weight: 800; font-size: 2.25rem; margin: var(--s3) 0 var(--s4); line-height: 1.2; }
.course-price small { font-size: .9rem; margin-left: 4px; }
.course p:last-child { font-size: var(--fs-sm); color: var(--ink-2); }
.course.course--rich p:not(.course-price) { color: color-mix(in hsl, var(--indigo-ink) 82%, transparent); }

/* ---------- hours ---------- */
.hours-grid { display: grid; gap: var(--s8); }
.hours-grid .section-head { margin-bottom: 0; }
@media (min-width: 900px) {
  .hours-grid { grid-template-columns: 1fr 1.1fr; column-gap: var(--s16); }
  .hours-grid .section-head { grid-row: span 2; }
}
.hours-card { background: var(--card); border-radius: var(--radius); padding: var(--s6); box-shadow: var(--shadow); }
.hours-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.hours-table th, .hours-table td { padding: 12px 8px; text-align: left; border-bottom: 1px solid var(--line); font-size: var(--fs-sm); }
.hours-table thead th { font-size: var(--fs-xs); color: var(--ink-2); font-weight: 500; letter-spacing: .14em; }
.hours-table tbody th { font-family: var(--font-display); font-weight: 800; width: 3em; }
.hours-table .closed { color: var(--ink-2); }
.hours-table tr.is-today { background: var(--accent-soft); }
.hours-table tr.is-today th::after {
  content: "今日"; margin-left: 6px; font-family: var(--font-body); font-size: .625rem; font-weight: 700;
  background: var(--accent); color: var(--accent-ink); padding: 1px 6px; border-radius: 3px; vertical-align: 2px;
}
.hours-foot { font-size: var(--fs-xs); color: var(--ink-2); margin-top: var(--s3); }
.notice h3 { font-size: var(--fs-lg); margin-bottom: var(--s3); }
.notice li { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-sm); }
.notice time { font-family: var(--font-display); font-weight: 800; color: var(--accent); flex: none; }

/* ---------- access ---------- */
.access { background: var(--paper-2); }
.access-grid { display: grid; gap: var(--s8); }
.access-grid .section-head { margin-bottom: 0; }
.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--card); }
.map-wrap img { width: 100%; }
.info-list > div { display: grid; grid-template-columns: 6.5em 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: var(--fs-sm); }
.info-list dt { font-weight: 700; color: var(--ink-2); }
.info-list dd { margin: 0; }
.info-list a { color: var(--accent); font-weight: 700; }
@media (min-width: 900px) {
  .access-grid { grid-template-columns: 1.2fr 1fr; column-gap: var(--s12); }
  .access-grid .section-head { grid-column: 1 / -1; }
}

/* ---------- reserve ---------- */
.reserve-grid { display: grid; gap: var(--s10); }
.reserve-grid .section-head { margin-bottom: 0; }
@media (min-width: 900px) { .reserve-grid { grid-template-columns: 1fr 1.35fr; column-gap: var(--s16); align-items: start; } .reserve-grid .section-head { position: sticky; top: calc(var(--header-h) + 32px); } }
.reserve-tel { margin-top: var(--s8); }
.tel-card {
  display: grid; gap: 4px;
  padding: var(--s6);
  border: 1.5px solid var(--ink); border-radius: var(--radius);
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}
.tel-card:hover { background: var(--ink); color: var(--paper); }
.tel-label { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; }
.tel-number { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.25rem); letter-spacing: .06em; line-height: 1.3; }
.tel-hours { font-size: var(--fs-xs); opacity: .8; }

.reserve-form, .form-done { background: var(--card); border-radius: var(--radius); padding: var(--s6); box-shadow: var(--shadow); }
@media (min-width: 600px) { .reserve-form, .form-done { padding: var(--s10); } }
.reserve-form fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.field { margin-bottom: var(--s6); min-width: 0; }
.field-row { display: grid; gap: 0 var(--s4); }
@media (min-width: 600px) { .field-row { grid-template-columns: repeat(3, 1fr); } .field-row--2 { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-weight: 700; font-size: var(--fs-sm); margin-bottom: 6px; }
.req, .opt { font-size: .6875rem; font-weight: 700; padding: 1px 6px; border-radius: 3px; margin-left: 6px; vertical-align: 1px; }
.req { background: var(--accent); color: var(--accent-ink); }
.opt { border: 1px solid var(--line); color: var(--ink-2); }
input[type="text"], input[type="tel"], input[type="email"], input[type="date"], select, textarea {
  width: 100%; min-height: 48px;
  padding: 10px 14px;
  font: 400 1rem/1.5 var(--font-body);  /* 16px: iOS のズーム防止 */
  color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: var(--radius);
  transition: border-color .2s ease, box-shadow .2s ease;
  appearance: none; -webkit-appearance: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23887766' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
}
textarea { resize: vertical; min-height: 110px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in hsl, var(--accent) 22%, transparent); }
[aria-invalid="true"] { border-color: var(--ng) !important; }
.hint { font-size: var(--fs-xs); color: var(--ink-2); margin-top: 4px; }
.error { font-size: var(--fs-xs); color: var(--ng); font-weight: 700; margin-top: 4px; min-height: 0; }
.error:empty { display: none; }
.field-check { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; }
.field-check input { width: 22px; height: 22px; margin: 3px 0 0; accent-color: var(--accent); }
.field-check label { font-weight: 500; margin: 0; }
.field-check .error { grid-column: 2; }
.form-demo-note { font-size: var(--fs-xs); color: var(--ink-2); margin-top: var(--s3); text-align: center; }

.form-done { text-align: center; padding-block: var(--s12); }
.form-done:focus { outline: none; }
.form-done-mark {
  width: 84px; height: 84px; margin: 0 auto var(--s5);
  border: 3px solid var(--accent); border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 2.25rem; color: var(--accent);
  transform: rotate(-8deg);
  animation: stamp .5s cubic-bezier(.2, 1.6, .4, 1) both;
}
@keyframes stamp { from { transform: scale(1.8) rotate(-8deg); opacity: 0; } }
.form-done h3 { font-size: var(--fs-xl); margin-bottom: var(--s4); }
.form-done p { color: var(--ink-2); font-size: var(--fs-sm); margin-bottom: var(--s4); }
#form-done-summary { color: var(--ink); font-weight: 700; background: var(--paper); padding: 12px; border-radius: var(--radius); }

/* ---------- faq ---------- */
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; gap: 14px; align-items: center;
  padding: var(--s5) 4px; min-height: 56px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before { content: "問"; color: var(--accent); font-weight: 800; flex: none; }
.faq-list summary::after {
  content: ""; margin-left: auto; flex: none;
  width: 10px; height: 10px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2);
  transform: rotate(45deg) translateY(-3px); transition: transform .25s ease;
}
.faq-list details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq-list details p { padding: 0 4px var(--s6) 32px; color: var(--ink-2); font-size: var(--fs-sm); }

/* ---------- closing ---------- */
.closing {
  background: var(--indigo); color: var(--indigo-ink);
  text-align: center;
  padding-block: var(--s20);
  position: relative; overflow: hidden;
}
.closing::before {
  content: ""; position: absolute; inset: 0; opacity: .14; pointer-events: none;
  background:
    radial-gradient(circle at 50% 120%, transparent 38%, currentColor 38.3%, transparent 38.8%),
    radial-gradient(circle at 50% 120%, transparent 48%, currentColor 48.3%, transparent 48.8%),
    radial-gradient(circle at 50% 120%, transparent 58%, currentColor 58.3%, transparent 58.8%);
}
.closing h2 { font-size: var(--fs-xl); position: relative; }
.closing-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: var(--s8); position: relative; }

/* ---------- footer ---------- */
.site-footer { padding-block: var(--s12) calc(var(--s12) + 72px); border-top: 1px solid var(--line); }
@media (min-width: 900px) { .site-footer { padding-bottom: var(--s12); } }
.footer-inner { display: grid; gap: var(--s3); text-align: center; justify-items: center; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 800; font-size: 1.125rem; letter-spacing: .14em; }
.footer-addr { font-size: var(--fs-xs); color: var(--ink-2); }
.footer-sample { font-size: var(--fs-xs); color: var(--ink-2); max-width: 44em; border: 1px dashed var(--line); padding: 10px 16px; border-radius: var(--radius); margin-top: var(--s3); }
.copyright { color: var(--ink-2); }

/* ---------- mobile CTA ---------- */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-template-columns: 1fr 2fr; gap: 8px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in hsl, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  transform: translateY(110%);
  transition: transform .35s ease;
}
.mobile-cta.is-visible { transform: none; }
.mobile-cta a {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 50px; border-radius: 999px; text-decoration: none; font-weight: 700; font-size: var(--fs-sm); letter-spacing: .08em;
}
.mobile-cta svg { width: 18px; height: 18px; fill: currentColor; }
.mobile-cta-tel { border: 1.5px solid var(--ink); }
.mobile-cta-reserve { background: var(--accent); color: var(--accent-ink); }
@media (min-width: 900px) { .mobile-cta { display: none; } }

/* ---------- reveal ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } }
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .feature.reveal.is-in:nth-child(2) { transition-delay: .12s; }
.js .feature.reveal.is-in:nth-child(3) { transition-delay: .24s; }
.js .hero .reveal:nth-child(2) { transition-delay: .1s; }
.js .hero .reveal:nth-child(3) { transition-delay: .2s; }
.js .hero .reveal:nth-child(4) { transition-delay: .3s; }
.js .hero .reveal:nth-child(5) { transition-delay: .4s; }
@media (min-width: 760px) { .js .feature.reveal.is-in:nth-child(2) { transform: translateY(32px); } }

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