/* amite TOP — DESIGN.md のトークンに準拠 */
:root {
  --c-primary: #1F1F1F;
  --c-secondary: #6B6B6B;
  --c-neutral: #F6F6F6;
  --c-surface: #FFFFFF;
  --c-text: #333333;
  --c-announce: #EEEEEE;
  --c-border: #E0E0E0;
  --c-border-strong: #B5B5B5;
  --c-error: #A84545;
  --f-en: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --f-ja: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --side: clamp(24px, 4vw, 40px);
  --sec-y: clamp(96px, 12vw, 180px);
  --header-h: 150px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--c-surface);
  color: var(--c-text);
  font-family: var(--f-ja);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'palt' 1;
}
body.is-locked { overflow: hidden; }
img { max-width: 100%; }
button { font-family: inherit; }
::selection { background: var(--c-primary); color: #fff; }
a { color: var(--c-text); text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 1px; }
a:hover { color: var(--c-primary); }
:focus-visible { outline: 1px solid var(--c-primary); outline-offset: 4px; }

/* ---------- 共通タイポ ---------- */
.eyebrow { font-family: var(--f-en); font-size: 15px; letter-spacing: 0.36em; color: var(--c-secondary); }
.display { margin: 0; font-weight: 400; font-family: var(--f-en); font-size: 34px; line-height: 44px; letter-spacing: 0.3em; color: var(--c-primary); }
.heading { margin: 0; font-weight: 400; font-size: clamp(24px, 2.4vw, 32px); line-height: 1.7; letter-spacing: 0.12em; color: var(--c-primary); }
.subheading { margin: 0; font-weight: 400; font-size: 20px; line-height: 34px; letter-spacing: 0.06em; color: var(--c-primary); }
.body-lg { margin: 0; font-size: 16px; line-height: 2.1; letter-spacing: 0.05em; text-wrap: pretty; }
.body-md { margin: 0; font-size: 15px; line-height: 30px; letter-spacing: 0.05em; }
br.sp-only { display: none; }
.text-link { align-self: flex-start; font-size: 13px; letter-spacing: 0.1em; }

/* ---------- ボタン ---------- */
.btn-primary {
  width: 100%; max-width: 360px; height: 48px;
  background: var(--c-secondary); color: #fff; border: none;
  font-size: 14px; letter-spacing: 0.12em; cursor: pointer;
  transition: background .3s;
}
.btn-primary:hover { background: var(--c-primary); }
.btn-primary:disabled { opacity: .6; cursor: default; }
.btn-block { max-width: none; }
.btn-link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; color: #fff; }
.btn-link:hover { color: #fff; }
.btn-outline {
  height: 40px; padding: 0 20px;
  background: transparent; border: 1px solid var(--c-border-strong); color: var(--c-text);
  font-size: 14px; letter-spacing: 0.08em; cursor: pointer;
  transition: border-color .3s;
}
.btn-outline:hover { border-color: var(--c-primary); }
.btn-start { align-self: flex-start; }

/* ---------- スクロール表示 ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 1.4s ease, transform 1.4s ease; }
.rv-delay { transition-delay: .25s; }
.is-in.rv, .is-in .rv { opacity: 1; transform: none; }

/* ---------- お知らせバー ---------- */
.announce {
  height: 44px; background: var(--c-announce);
  display: flex; align-items: center; justify-content: center;
  padding: 0 16px; text-align: center;
  font-size: 12px; letter-spacing: 0.08em; color: var(--c-text);
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: #fff;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  padding: 28px 40px 22px;
  border-bottom: 1px solid transparent;
  transition: padding .5s ease, border-color .5s ease;
}
.site-header.is-scrolled { padding: 14px 40px 12px; border-bottom-color: var(--c-border); }
.logo {
  font-family: var(--f-en); font-size: 34px; letter-spacing: 0.3em; line-height: 1.2;
  color: var(--c-primary); padding-left: 0.3em; text-decoration: none;
  transition: font-size .5s ease;
}
.is-scrolled .logo { font-size: 24px; }
.gnav {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 48px;
  font-family: var(--f-en); font-size: 16px; letter-spacing: 0.05em;
}
.gnav a {
  color: var(--c-text); text-decoration: none;
  padding-bottom: 4px; border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.gnav a:hover { border-bottom-color: var(--c-primary); color: var(--c-primary); }
.gnav a[aria-current=page] { border-bottom-color: var(--c-primary); color: var(--c-primary); }
.menu-btn { display: none; }

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  height: calc(100vh - var(--header-h)); min-height: 560px; max-height: 960px;
  overflow: hidden; background: #8C8478;
}
.hero-slide {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
  opacity: 0; transform: scale(1.06);
  transition: opacity 1.6s ease, transform 9s ease-out;
}
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(to top, #00000066 0%, #00000000 45%); }
.hero-copy {
  position: absolute; left: clamp(24px, 4vw, 64px); bottom: clamp(40px, 7vh, 72px);
  display: flex; flex-direction: column; gap: 18px; color: #fff;
  opacity: 0; transform: translateY(16px);
  transition: opacity 1.6s ease .3s, transform 1.6s ease .3s;
}
.is-loaded .hero-copy { opacity: 1; transform: none; }
.hero-en { margin: 0; font-family: var(--f-en); font-style: italic; font-size: 19px; letter-spacing: 0.08em; }
.hero-title { margin: 0; font-weight: 400; font-size: clamp(26px, 3vw, 42px); line-height: 1.5; letter-spacing: 0.14em; }
.hero-ctrl {
  position: absolute; right: clamp(24px, 4vw, 64px); bottom: clamp(40px, 7vh, 72px);
  display: flex; align-items: center; gap: 20px; color: #fff;
}
.hero-no { font-family: var(--f-en); font-size: 15px; letter-spacing: 0.2em; }
.hero-prog { width: 96px; height: 1px; background: #FFFFFF59; position: relative; overflow: hidden; }
.hero-prog-bar { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: #fff; }
.hero-dots { display: flex; gap: 10px; }
.hero-dot {
  width: 8px; height: 8px; padding: 0; border: none; border-radius: 9999px;
  cursor: pointer; background: #FFFFFF80; transition: background .4s;
}
.hero-dot.is-active { background: #fff; }

/* ---------- Concept ---------- */
.concept {
  padding: var(--sec-y) var(--side) var(--sec-y) 0;
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(40px, 8vw, 140px); align-items: center;
}
.concept-media { aspect-ratio: 4 / 5; overflow: hidden; background: var(--c-neutral); }
.concept-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.concept-body { display: flex; flex-direction: column; gap: 40px; max-width: 560px; }
.disclosure { display: flex; flex-direction: column; }
.disclosure-panel {
  overflow: hidden; max-height: 0; opacity: 0;
  transition: max-height 1s ease, opacity .8s ease .15s;
}
.disclosure-panel.is-open { opacity: 1; }
.statement {
  margin: 36px 0 0; padding-left: 24px; border-left: 1px solid var(--c-border);
  font-size: 15px; line-height: 2.3; letter-spacing: 0.08em; color: var(--c-text);
}

/* ---------- Collection ---------- */
.collection {
  padding: 0 var(--side) var(--sec-y);
  display: flex; flex-direction: column; gap: 64px;
}
.collection-head {
  display: flex; flex-wrap: wrap; gap: 16px 40px;
  justify-content: space-between; align-items: flex-end;
  border-bottom: 1px solid var(--c-border); padding-bottom: 28px;
}
.collection-head p { margin: 0; font-size: 15px; line-height: 28px; letter-spacing: 0.05em; }
.collection-grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(40px, 7vw, 120px); align-items: center;
}
.collection-media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--c-neutral); }
.motif-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
  opacity: 0; transform: scale(1.04);
  transition: opacity 1s ease, transform 1.6s ease;
}
.motif-img.is-active { opacity: 1; transform: scale(1); }
.collection-info { display: flex; flex-direction: column; gap: 40px; }
.motif-picker { display: flex; gap: 28px; }
.motif-btn {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  background: none; border: none; padding: 0; cursor: pointer; color: var(--c-text);
}
.motif-thumb {
  width: 44px; height: 44px; border-radius: 9999px; padding: 3px;
  border: 1px solid var(--c-border); transition: border-color .3s;
  display: block; overflow: hidden; clip-path: circle(50%);
}
.motif-thumb img {
  width: 100%; height: 100%; border-radius: 9999px;
  object-fit: cover; transform: scale(3.2); display: block;
}
.motif-label { font-size: 12px; letter-spacing: 0.08em; color: var(--c-secondary); }
.motif-btn.is-active .motif-thumb { border-color: var(--c-primary); }
.motif-btn.is-active .motif-label { color: var(--c-primary); }
.motif-panel { display: flex; flex-direction: column; gap: 40px; }
.motif-panel[hidden] { display: none; }
.motif-name { display: flex; flex-direction: column; gap: 6px; }
.motif-en { font-family: var(--f-en); font-size: 44px; letter-spacing: 0.12em; line-height: 1.1; color: var(--c-primary); }
.motif-meta { display: flex; gap: 16px; font-size: 13px; letter-spacing: 0.08em; color: var(--c-secondary); }
.motif-desc { display: flex; flex-direction: column; gap: 4px; font-size: 16px; line-height: 2; letter-spacing: 0.05em; min-height: 128px; }
.motif-desc p { margin: 0; }

/* ---------- Engraving ---------- */
.engraving {
  background: var(--c-neutral);
  padding: clamp(96px, 11vw, 170px) var(--side);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(48px, 7vw, 120px); align-items: start;
}
.engraving-body { display: flex; flex-direction: column; gap: 36px; padding-left: clamp(0px, 4vw, 80px); max-width: 560px; }
.engraving .note { margin: 0; font-size: 14px; line-height: 2; letter-spacing: 0.05em; color: var(--c-secondary); }
.questions { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; }
.questions li {
  display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 16px;
  padding: 32px 0; border-top: 1px solid #D6D6D6;
}
.questions li:last-child { border-bottom: 1px solid #D6D6D6; }
.q-no { font-family: var(--f-en); font-style: italic; font-size: 22px; color: var(--c-secondary); }
.q-text { font-size: clamp(17px, 1.5vw, 20px); line-height: 1.9; letter-spacing: 0.06em; color: var(--c-primary); }

/* ---------- Process ---------- */
.process {
  padding: clamp(96px, 10vw, 160px) var(--side);
  border-top: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: 56px;
}
.process-head { display: flex; flex-wrap: wrap; gap: 24px 40px; justify-content: space-between; align-items: flex-end; }
.process-lead { display: flex; flex-direction: column; gap: 20px; }
.process-lead p { margin: 0; font-size: 16px; line-height: 32px; letter-spacing: 0.05em; }
.steps { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.step {
  text-align: left; background: none; border: none;
  border-top: 1px solid var(--c-border); padding: 20px 0 0; cursor: pointer;
  display: flex; flex-direction: column; gap: 8px; transition: border-color .4s;
}
.step-n { font-family: var(--f-en); font-size: 16px; letter-spacing: 0.1em; color: var(--c-secondary); transition: color .4s; }
.step-t { font-size: 15px; letter-spacing: 0.05em; color: var(--c-secondary); transition: color .4s; }
.step.is-done { border-top-color: var(--c-primary); }
.step.is-active .step-n, .step.is-active .step-t { color: var(--c-primary); }
.process-detail {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(40px, 7vw, 120px); align-items: center;
}
.step-panel { display: flex; flex-direction: column; gap: 20px; }
.step-panel[hidden] { display: none; }
.step-big { font-family: var(--f-en); font-size: 72px; line-height: 1; letter-spacing: 0.04em; color: var(--c-primary); }
.step-title { font-size: 20px; line-height: 34px; letter-spacing: 0.06em; color: var(--c-primary); }
.step-panel p { margin: 0; font-size: 15px; line-height: 30px; letter-spacing: 0.05em; min-height: 60px; }
.process-media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--c-neutral); }
.process-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Booklet / Funeral ---------- */
.info {
  margin: 0 var(--side);
  border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
}
.info-col { padding: clamp(48px, 6vw, 88px) clamp(24px, 5vw, 80px); display: flex; flex-direction: column; gap: 24px; }
.info-booklet { border-right: 1px solid var(--c-border); }
.booklet-frame {
  background: var(--c-neutral); height: 460px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  padding: 32px; overflow: hidden;
}
.booklet-frame img { height: 100%; width: auto; max-width: 100%; object-fit: contain; display: block; }
.fh-actions { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; }
.fh-message {
  margin-top: 8px; padding-left: 24px; border-left: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: 16px;
  font-size: 14px; line-height: 2.1; letter-spacing: 0.05em; color: var(--c-text);
}
.fh-message p { margin: 0; }
.fh-message dl { margin: 0; display: flex; flex-direction: column; gap: 14px; }
.fh-message dl > div { display: flex; flex-direction: column; gap: 2px; }
.fh-message dt { color: var(--c-primary); font-weight: 600; letter-spacing: 0.08em; }
.fh-message dd { margin: 0 0 0 1em; color: var(--c-secondary); }

/* ---------- Contact ---------- */
.contact {
  padding: var(--sec-y) 24px;
  display: flex; flex-direction: column; align-items: center; gap: 44px;
}
.contact .display { padding-left: 0.3em; }
.contact p { margin: 0; font-size: 17px; line-height: 2; letter-spacing: 0.06em; text-align: center; color: var(--c-primary); }

/* ---------- FAQ ---------- */
section[id] { scroll-margin-top: 120px; }
.faq-page { padding-bottom: clamp(96px, 10vw, 160px); }

.page-hero { position: relative; height: clamp(320px, 38vw, 480px); overflow: hidden; background: #8C8478; }
.page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; transform: scale(1.04); animation: page-hero-in 2.4s ease forwards; }
.page-hero-shade { position: absolute; inset: 0; background: radial-gradient(ellipse at center, #00000073 0%, #00000040 70%); }
.page-hero-copy {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; color: #fff; text-align: center;
  opacity: 0; animation: page-hero-copy-in 1.6s ease .3s forwards;
}
.page-hero-en { margin: 0; font-family: var(--f-en); font-style: italic; font-size: 16px; letter-spacing: 0.12em; }
.page-hero-title { margin: 0; font-weight: 400; font-family: var(--f-en); font-size: clamp(44px, 5vw, 64px); line-height: 1.1; letter-spacing: 0.32em; padding-left: 0.32em; }
.page-hero-ja { margin: 0; font-size: 13px; letter-spacing: 0.3em; padding-left: 0.3em; }
.page-hero-ja::before { content: ''; display: block; width: 1px; height: 28px; margin: 0 auto 14px; background: #FFFFFFB3; }
@keyframes page-hero-in { to { transform: scale(1); } }
@keyframes page-hero-copy-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.faq-intro {
  margin: 0 auto; max-width: 720px; padding: clamp(72px, 8vw, 120px) var(--side) clamp(56px, 6vw, 96px);
  text-align: center; font-size: 15px; line-height: 2.3; letter-spacing: 0.08em; color: var(--c-text);
}

.faq-layout {
  max-width: calc(880px + var(--side) * 2); margin: 0 auto; padding: 0 var(--side);
  display: flex; flex-direction: column; gap: clamp(72px, 8vw, 112px);
}
.faq-index { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.faq-index-title { margin: 0; padding-left: 0.36em; font-family: var(--f-en); font-size: 13px; letter-spacing: 0.36em; color: var(--c-secondary); }
.faq-index ol { margin: 0; padding: 24px 0; list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 44px; width: 100%; border-top: 1px solid var(--c-border); border-bottom: 1px solid var(--c-border); }
.faq-index a { display: flex; gap: 12px; align-items: baseline; font-size: 13px; line-height: 1.8; letter-spacing: 0.06em; color: var(--c-secondary); text-decoration: none; transition: color .3s; }
.faq-index a:hover { color: var(--c-primary); }
.faq-index-num { font-family: var(--f-en); font-style: italic; font-size: 15px; }

.faq-body { display: flex; flex-direction: column; gap: clamp(72px, 8vw, 112px); }
.faq-group { display: flex; flex-direction: column; }
.faq-group-head { display: flex; align-items: baseline; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--c-primary); }
.faq-num { font-family: var(--f-en); font-style: italic; font-size: 28px; line-height: 1; color: var(--c-secondary); min-width: 1.4em; }
.faq-group-head h2 { margin: 0; font-weight: 400; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.6; letter-spacing: 0.12em; color: var(--c-primary); }

.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 40px minmax(0, 1fr) 20px; gap: 12px; align-items: baseline;
  padding: 30px 0; font-size: 16px; line-height: 1.9; letter-spacing: 0.06em; color: var(--c-primary);
  transition: color .3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover .faq-text { color: var(--c-secondary); }
.faq-text { transition: color .3s; }
.faq-q, .faq-a-mark { font-family: var(--f-en); font-style: italic; font-size: 20px; line-height: 1; color: var(--c-secondary); }
.faq-icon { position: relative; width: 14px; height: 14px; justify-self: end; align-self: center; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--c-primary); transition: transform .5s ease, opacity .5s ease; }
.faq-icon::after { transform: rotate(90deg); }
.faq-item.is-open .faq-icon::after { transform: rotate(0deg); opacity: 0; }
.faq-a { overflow: hidden; transition: height .5s ease; }
.faq-a-inner { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 12px; padding: 0 32px 36px 0; }
.faq-a-mark { padding-top: 6px; }
.faq-a-body { font-size: 15px; line-height: 2.2; letter-spacing: 0.06em; color: var(--c-text); }
.faq-a-body p { margin: 0; }
.faq-a-body a { color: var(--c-primary); }
.faq-spec { margin: 0; display: flex; flex-direction: column; gap: 8px; }
.faq-spec div { display: grid; grid-template-columns: 5em minmax(0, 1fr); gap: 16px; }
.faq-spec dt { color: var(--c-secondary); }
.faq-spec dd { margin: 0; }
.faq-contact { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--c-border); }

.faq-cta {
  margin: clamp(96px, 10vw, 160px) auto 0; max-width: 1120px; width: calc(100% - var(--side) * 2);
  background: var(--c-neutral); padding: clamp(64px, 7vw, 104px) 24px;
  display: flex; flex-direction: column; align-items: center; gap: 28px; text-align: center;
}
.faq-cta .eyebrow { margin: 0; padding-left: 0.36em; }
.faq-cta-text { margin: 0; font-size: clamp(18px, 1.6vw, 21px); line-height: 2; letter-spacing: 0.1em; color: var(--c-primary); }
.faq-cta .btn-primary { margin-top: 8px; }
.faq-cta-sub { margin: 0; font-size: 13px; line-height: 2; letter-spacing: 0.06em; color: var(--c-secondary); }
.faq-cta-sub a { color: var(--c-text); }
.faq-cta-sep { margin: 0 12px; color: var(--c-border-strong); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding: 64px var(--side) 32px;
  display: flex; flex-direction: column; gap: 56px;
}
.footer-top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer-brand { display: flex; flex-direction: column; gap: 10px; }
.footer-logo { font-family: var(--f-en); font-size: 24px; letter-spacing: 0.3em; color: var(--c-primary); }
.footer-tag { font-family: var(--f-en); font-style: italic; font-size: 15px; letter-spacing: 0.06em; color: var(--c-secondary); }
.footer-links { display: flex; gap: 96px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title { font-size: 12px; letter-spacing: 0.08em; margin-bottom: 8px; }
.footer-col a { font-size: 13px; color: var(--c-secondary); text-decoration: none; }
.footer-col a:hover { color: var(--c-primary); }
.footer-copy { font-size: 12px; letter-spacing: 0.08em; color: var(--c-secondary); }

/* ---------- お問い合わせモーダル ---------- */
.modal {
  position: fixed; inset: 0; z-index: 80;
  background: #1F1F1F66;
  display: flex; justify-content: center; align-items: flex-start;
  overflow-y: auto; padding: 56px 16px;
  opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity .5s ease, visibility 0s linear .5s;
}
.modal.is-open { opacity: 1; pointer-events: auto; visibility: visible; transition: opacity .5s ease; }
.modal-panel {
  width: 100%; max-width: 560px; background: #fff;
  border: 1px solid var(--c-border-strong);
  padding: 40px 36px;
  display: flex; flex-direction: column; gap: 28px;
  transform: translateY(24px); transition: transform .6s ease;
}
.modal.is-open .modal-panel { transform: none; }
.modal-head { display: flex; justify-content: space-between; align-items: baseline; }
.modal-title { font-family: var(--f-en); font-size: 28px; letter-spacing: 0.3em; color: var(--c-primary); }
.modal-close {
  background: none; border: none; padding: 0; cursor: pointer;
  font-size: 13px; letter-spacing: 0.08em; color: var(--c-secondary);
  text-decoration: underline; text-underline-offset: 5px;
}
.modal-done { display: flex; flex-direction: column; gap: 32px; padding: 24px 0; }
.modal-done[hidden] { display: none; }
.modal-done p { margin: 0; font-size: 16px; line-height: 2; letter-spacing: 0.05em; }
.modal-done .btn-outline { align-self: flex-start; }

.contact-form { display: flex; flex-direction: column; gap: 24px; }
.contact-form[hidden] { display: none; }
.form-lead { margin: 0; font-size: 14px; line-height: 2; letter-spacing: 0.05em; color: var(--c-secondary); }
.form-notice { margin: 0; padding: 14px 16px; background: var(--c-neutral); font-size: 13px; line-height: 1.9; letter-spacing: 0.05em; color: var(--c-text); }
.form-notice[hidden] { display: none; }
.field { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; border: none; min-width: 0; }
.field[hidden] { display: none; }
.field-label { font-size: 12px; letter-spacing: 0.08em; padding: 0; margin-bottom: 8px; }
label.field .field-label { margin-bottom: 0; }
.field input:not([type=checkbox]), .field textarea {
  height: 44px; border: 1px solid var(--c-border-strong);
  padding: 10px 12px; font-family: inherit; font-size: 15px; color: var(--c-text);
  border-radius: 0; outline: none; background: #fff; -webkit-appearance: none; appearance: none;
}
.field textarea { height: auto; line-height: 1.9; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--c-primary); }
.field .is-invalid { border-color: var(--c-error); }
.field-err { font-size: 12px; color: var(--c-error); }
.field-err:empty { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  height: 40px; padding: 0 20px;
  border: 1px solid var(--c-border-strong); background: transparent; color: var(--c-text);
  font-size: 14px; letter-spacing: 0.08em; cursor: pointer; transition: all .3s;
}
.chip { min-height: 40px; height: auto; padding: 8px 18px; line-height: 1.6; text-align: left; }
.other-input[hidden] { display: none; }
.field-help { font-size: 12px; line-height: 1.9; letter-spacing: 0.04em; color: var(--c-secondary); }
.chip.is-on { border-color: var(--c-primary); background: var(--c-primary); color: #fff; }
.agree { display: flex; gap: 12px; align-items: center; font-size: 13px; letter-spacing: 0.05em; cursor: pointer; }
.agree input { width: 18px; height: 18px; accent-color: var(--c-primary); margin: 0; flex: none; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1080px) {
  .engraving { grid-template-columns: minmax(0, 1fr); }
  .engraving-body { padding-left: 0; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; }
}

@media (max-width: 900px) {
  .faq-index ol { justify-content: flex-start; gap: 12px 28px; }
  .faq-index { align-items: flex-start; }
  .info { grid-template-columns: minmax(0, 1fr); }
  .info-booklet { border-right: none; border-bottom: 1px solid var(--c-border); }
  .concept { grid-template-columns: minmax(0, 1fr); padding: 88px var(--side) 96px; gap: 48px; }
  .concept-media { margin-left: calc(var(--side) * -1); margin-right: 15%; }
  .concept-body { max-width: none; }
  .collection-grid, .process-detail { grid-template-columns: minmax(0, 1fr); gap: 48px; }
}

@media (max-width: 760px) {
  :root { --header-h: 108px; }
  .announce { height: auto; min-height: 40px; padding: 10px 16px; font-size: 11px; }

  .site-header {
    flex-direction: row; justify-content: center;
    padding: 18px 20px 16px;
  }
  .site-header.is-scrolled { padding: 12px 20px 10px; }
  .logo { font-size: 28px; }
  .is-scrolled .logo { font-size: 22px; }
  .menu-btn {
    display: block; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px; background: none; border: none; padding: 0; cursor: pointer;
  }
  .menu-btn span {
    position: absolute; left: 12px; right: 12px; height: 1px; background: var(--c-primary);
    transition: transform .4s ease, top .4s ease;
  }
  .menu-btn span:nth-child(1) { top: 18px; }
  .menu-btn span:nth-child(2) { top: 25px; }
  .menu-btn[aria-expanded=true] span:nth-child(1) { top: 22px; transform: rotate(35deg); }
  .menu-btn[aria-expanded=true] span:nth-child(2) { top: 22px; transform: rotate(-35deg); }
  .gnav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: center; gap: 0;
    background: #fff; border-bottom: 1px solid var(--c-border);
    font-size: 18px;
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height .5s ease, visibility 0s linear .5s;
  }
  .gnav.is-open { max-height: 420px; visibility: visible; transition: max-height .5s ease; }
  .gnav a { padding: 14px 0; border-bottom: none; }
  .gnav a:first-child { margin-top: 12px; }
  .gnav a:last-child { margin-bottom: 20px; }

  .hero { height: calc(100svh - var(--header-h) - 40px); min-height: 480px; }
  .hero-copy { left: 24px; right: 24px; bottom: 84px; gap: 12px; }
  .hero-en { font-size: 16px; }
  br.sp-only { display: inline; }
  .hero-ctrl { left: 24px; right: auto; bottom: 36px; gap: 16px; }

  .display { font-size: 28px; line-height: 38px; letter-spacing: 0.24em; }
  .concept { padding-top: 72px; padding-bottom: 80px; }
  .concept-body { gap: 32px; }
  .body-lg { font-size: 15px; line-height: 2.1; }
  .collection { gap: 40px; padding-bottom: 96px; }
  .collection-info { gap: 32px; }
  .motif-panel { gap: 28px; }
  .motif-en { font-size: 36px; }
  .motif-desc { font-size: 15px; min-height: 0; }
  .engraving { padding-top: 88px; padding-bottom: 88px; gap: 40px; }
  .engraving-body { gap: 28px; }
  .questions li { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; padding: 24px 0; }
  .process { padding-top: 88px; padding-bottom: 88px; gap: 40px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  .step { padding-top: 14px; }
  .step-t { font-size: 14px; }
  .step-big { font-size: 56px; }
  .step-title { font-size: 18px; line-height: 30px; }
  .info { margin: 0; border-left: none; border-right: none; }
  .info-col { padding: 64px 24px; }
  .booklet-frame { height: 380px; padding: 28px; margin-bottom: 16px; }
  .fh-message { padding-left: 16px; }
  .contact { padding: 96px 24px; gap: 36px; }
  .contact p { font-size: 15px; }
  .page-hero { height: 280px; }
  .faq-intro { font-size: 14px; text-align: left; }
  .faq-intro br:not(.sp-only) { display: none; }
  .faq-item summary { font-size: 15px; padding: 24px 0; grid-template-columns: 28px minmax(0, 1fr) 14px; gap: 8px; }
  .faq-a-inner { grid-template-columns: 28px minmax(0, 1fr); gap: 8px; padding: 0 0 28px; }
  .faq-a-body { font-size: 14px; }
  .faq-q, .faq-a-mark { font-size: 18px; }
  .faq-cta { width: 100%; }
  .faq-cta-sep { display: block; height: 0; overflow: hidden; }
  .footer-links { gap: 48px; }
  .modal { padding: 24px 12px; }
  .modal-panel { padding: 32px 22px; gap: 24px; }
  .modal-title { font-size: 24px; letter-spacing: 0.24em; }
}

@media (max-width: 380px) {
  .hero-title { font-size: 23px; letter-spacing: 0.1em; }
  .chip { padding: 8px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv, .hero-copy { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-slide, .motif-img { transition: opacity .6s ease; transform: none !important; }
}