/* ================================================
   あめいろホーム - Stylesheet
   Design: イラスト・暮らし系（テイスト03）
================================================ */

@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;700&family=Noto+Sans+JP:wght@400;500;700&family=EB+Garamond:wght@400;500&family=Yomogi&display=swap');

/* ── Variables ─────────────────────────────── */
:root {
  --bg-main:    #faf8f3;
  --bg-alt:     #f0ece3;
  --bg-deep:    #e8e3d8;
  --bg-footer:  #3c3c3c;
  --text-main:  #3c3c3c;
  --text-head:  #2c2c2c;
  --accent:     #d4944a;
  --accent-dk:  #c4813a;
  --green:      #6b8e5a;
  --green-lt:   #8aac76;
  --deco:       #e8dcc8;
  --deco-lt:    #f5f0e8;

  --font-round: 'Zen Maru Gothic', sans-serif;
  --font-body:  'Noto Sans JP', sans-serif;
  --font-en:    'EB Garamond', serif;
  --font-hand:  'Yomogi', cursive;

  --r-sm:   8px;
  --r-md:   16px;
  --r-lg:   24px;
  --r-xl:   32px;
  --r-full: 50px;

  --max-w:  1100px;
  --header-h: 70px;
}

/* ── Reset & Base ───────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg-main);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .75; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Paper texture ──────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: .6;
}

/* ── Layout ─────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: 80px; }
.section--alt { background: var(--bg-alt); }
.section--deep { background: var(--bg-deep); }

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--r-full);
  font-family: var(--font-round);
  font-size: .9rem;
  font-weight: 700;
  transition: all .25s;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 3px 12px rgba(196,129,58,.25);
}
.btn--primary:hover { background: var(--accent-dk); opacity: 1; transform: translateY(-2px); }

.btn--secondary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 3px 12px rgba(107,142,90,.2);
}
.btn--secondary:hover { background: #5a7d4a; opacity: 1; }

.btn--outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}
.btn--outline:hover { background: var(--accent); color: #fff; opacity: 1; }

.btn--ghost {
  background: transparent;
  border: 2px solid var(--deco);
  color: var(--text-main);
}

.btn--text {
  padding: 0;
  border-radius: 0;
  border-bottom: 1.5px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-round);
  font-weight: 700;
  font-size: .875rem;
}
.btn--text::after { content: ' →'; }

.btn-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}
.btn-wrap--center { justify-content: center; }

/* ── Section Title ───────────────────────────── */
.sec-title {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
}
.sec-title__en {
  display: block;
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: 6px;
}
.sec-title__ja {
  font-family: var(--font-round);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-head);
  position: relative;
  display: inline-block;
}
.sec-title__ja::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 10px auto 0;
}
.sec-title__deco {
  position: absolute;
  top: -10px;
  right: -32px;
  width: 28px;
  opacity: .7;
}

/* ── Header ──────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--bg-main);
  border-bottom: 1px solid var(--deco);
  z-index: 1000;
  transition: box-shadow .3s;
}
.site-header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,.07);
}
.site-header .container {
  height: 100%;
}
.site-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 24px;
}

.site-logo {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.site-logo__main {
  font-family: var(--font-hand);
  font-size: 1.35rem;
  color: var(--accent-dk);
  letter-spacing: .02em;
}
.site-logo__sub {
  font-family: var(--font-en);
  font-size: .65rem;
  color: var(--text-main);
  opacity: .6;
  letter-spacing: .12em;
}

.site-nav {
  display: none;
  margin-left: auto;
}
.site-nav__list {
  display: flex;
  gap: 28px;
}
.site-nav__link {
  font-family: var(--font-round);
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-head);
  position: relative;
  padding-bottom: 3px;
}
.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s;
  border-radius: 1px;
}
.site-nav__link:hover::after,
.site-nav__link.is-active::after { width: 100%; }
.site-nav__link.is-active { color: var(--accent); opacity: 1; }

.header-contact {
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}
.header-tel {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-head);
  letter-spacing: .04em;
}
.header-tel__label {
  font-family: var(--font-body);
  font-size: .62rem;
  color: var(--text-main);
  opacity: .7;
}

.header-cta {
  display: none;
  flex-shrink: 0;
  padding: 9px 20px;
  font-size: .78rem;
}

/* ── Hamburger ───────────────────────────────── */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 4px;
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-head);
  border-radius: 2px;
  transition: all .3s;
  transform-origin: center;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Nav overlay ──────────────────────── */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--bg-main);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.77,0,.175,1);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav__list { text-align: center; }
.mobile-nav__item + .mobile-nav__item { border-top: 1px solid var(--deco); }
.mobile-nav__link {
  display: block;
  padding: 20px 48px;
  font-family: var(--font-round);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-head);
}
.mobile-nav__link.is-active { color: var(--accent); }
.mobile-nav__tel {
  margin-top: 32px;
  text-align: center;
}
.mobile-nav__tel a {
  font-family: var(--font-en);
  font-size: 1.4rem;
  color: var(--accent-dk);
}
.mobile-nav__tel p {
  font-size: .75rem;
  opacity: .7;
  margin-top: 4px;
}
.mobile-nav__btn {
  margin-top: 24px;
}

/* ── Breadcrumb ──────────────────────────────── */
.breadcrumb {
  padding: 16px 0;
  margin-top: var(--header-h);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--deco);
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: .75rem;
  color: var(--text-main);
  opacity: .7;
}
.breadcrumb__item + .breadcrumb__item::before {
  content: '›';
  margin-right: 4px;
}

/* ── Hero ────────────────────────────────────── */
.hero {
  position: relative;
  height: 90vh;
  min-height: 560px;
  overflow: hidden;
  margin-top: var(--header-h);
  background: var(--bg-main);
  display: flex;
  align-items: flex-start;
}

.hero__illustration {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 48px;
  padding-bottom: 0;
}
.hero__inner {
  max-width: 640px;
}
.hero__catchcopy {
  font-family: var(--font-hand);
  font-size: 2.2rem;
  line-height: 1.45;
  color: var(--text-head);
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
  text-shadow: 0 1px 4px rgba(255,255,255,0.6);
}
.hero__catchcopy span {
  display: block;
}

/* ── Hero CTA（FV直下ボタンエリア） */
.hero-cta {
  background: var(--bg-main);
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--deco);
}
.hero-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ── Events Section ──────────────────────────── */
.events__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.event-card {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1.5px solid var(--deco);
  display: flex;
  flex-direction: column;
}
.event-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.event-card__body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.event-card__date {
  font-family: var(--font-en);
  font-size: .85rem;
  color: var(--accent);
  letter-spacing: .06em;
  margin-bottom: 8px;
}
.event-card__tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--r-full);
  background: var(--deco);
  font-size: .72rem;
  font-family: var(--font-round);
  font-weight: 700;
  color: var(--accent-dk);
  margin-bottom: 10px;
}
.event-card__title {
  font-family: var(--font-round);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-head);
  line-height: 1.55;
  margin-bottom: 8px;
}
.event-card__place {
  font-size: .8rem;
  opacity: .7;
  margin-top: auto;
  margin-bottom: 14px;
}
.event-card__place::before { content: '📍 '; }

/* ── Concept Section ─────────────────────────── */
.concept__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
.concept__visual {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 6px 6px 24px rgba(0,0,0,.08);
}
.concept__visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}
.concept__label {
  font-family: var(--font-en);
  font-size: .85rem;
  color: var(--accent);
  letter-spacing: .14em;
  margin-bottom: 12px;
}
.concept__title {
  font-family: var(--font-round);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-head);
  line-height: 1.55;
  margin-bottom: 20px;
}
.concept__text {
  font-size: .95rem;
  line-height: 2;
  opacity: .9;
  margin-bottom: 20px;
}

/* ── Works Section (index preview) ──────────── */
.works-preview__list {
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.work-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}
.work-item__img-wrap {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 6px 8px 28px rgba(0,0,0,.1);
}
.work-item__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform .5s;
}
.work-item__img-wrap:hover .work-item__img { transform: scale(1.04); }
.work-item__num {
  font-family: var(--font-en);
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 8px;
}
.work-item__tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--deco);
  font-size: .72rem;
  font-family: var(--font-round);
  color: var(--text-main);
  opacity: .8;
  margin-bottom: 10px;
}
.work-item__title {
  font-family: var(--font-round);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-head);
  line-height: 1.5;
  margin-bottom: 12px;
}
.work-item__title span {
  display: block;
  font-size: .8rem;
  color: var(--text-main);
  opacity: .7;
  font-weight: 400;
  margin-top: 4px;
}
.work-item__text {
  font-size: .875rem;
  line-height: 2;
  opacity: .9;
  margin-bottom: 20px;
}
.work-item__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 20px;
  font-size: .78rem;
  opacity: .7;
}
.work-item__specs dt { font-weight: 700; }
.work-item__specs dd { }

/* ── Reasons Section ─────────────────────────── */
.reasons__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.reason-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 32px 28px;
  border: 1.5px solid var(--deco);
  position: relative;
}
.reason-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
}
.reason-card__num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-en);
  font-size: 2rem;
  color: var(--deco);
  font-weight: 500;
  line-height: 1;
}
.reason-card__title {
  font-family: var(--font-round);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 10px;
}
.reason-card__text {
  font-size: .875rem;
  line-height: 1.9;
  opacity: .85;
}

/* ── Voices Section ──────────────────────────── */
.voices__list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.voice-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  background: #fff;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1.5px solid var(--deco);
}
.voice-item__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.voice-item__body {
  padding: 28px 28px 32px;
}
.voice-item__quote {
  position: relative;
  padding-left: 20px;
  margin-bottom: 20px;
}
.voice-item__quote::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: calc(100% - 4px);
  background: var(--accent);
  border-radius: 2px;
}
.voice-item__text {
  font-family: var(--font-hand);
  font-size: 1rem;
  line-height: 2;
  color: var(--text-head);
}
.voice-item__info {
  font-size: .8rem;
  opacity: .65;
  font-family: var(--font-round);
}
.voice-item__stars {
  color: var(--accent);
  font-size: .9rem;
  margin-bottom: 8px;
}
.voice-item__home-type {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-full);
  background: var(--deco);
  font-size: .72rem;
  font-family: var(--font-round);
  color: var(--accent-dk);
  margin-bottom: 12px;
}

/* ── Modelhouse Section ──────────────────────── */
.modelhouse__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  background: #fff;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1.5px solid var(--deco);
}
.modelhouse__img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
.modelhouse__body {
  padding: 28px 28px 36px;
}
.modelhouse__label {
  font-family: var(--font-en);
  font-size: .85rem;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.modelhouse__title {
  font-family: var(--font-round);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 14px;
}
.modelhouse__text {
  font-size: .875rem;
  line-height: 2;
  margin-bottom: 20px;
}
.modelhouse__info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: .82rem;
  margin-bottom: 24px;
}
.modelhouse__info dt { font-weight: 700; color: var(--text-head); }
.modelhouse__info dd { opacity: .75; }

/* ── CTA Section ─────────────────────────────── */
.cta {
  background: var(--bg-alt);
  text-align: center;
  padding-block: 80px;
  position: relative;
  overflow: hidden;
}
.cta__deco {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 100%;
  max-width: 800px;
  opacity: .12;
}
.cta__label {
  font-family: var(--font-en);
  font-size: .9rem;
  color: var(--accent);
  letter-spacing: .14em;
  margin-bottom: 12px;
}
.cta__title {
  font-family: var(--font-round);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-head);
  line-height: 1.55;
  margin-bottom: 16px;
}
.cta__text {
  font-size: .9rem;
  line-height: 2;
  opacity: .85;
  margin-bottom: 24px;
}
.cta__tel {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent-dk);
  letter-spacing: .04em;
  display: block;
  margin-bottom: 6px;
}
.cta__tel-label {
  font-size: .75rem;
  opacity: .65;
  margin-bottom: 28px;
}
.cta__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ── Works Page ──────────────────────────────── */
.page-hero {
  background: var(--bg-alt);
  padding: 28px 0 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero__en {
  font-family: var(--font-en);
  font-size: .9rem;
  color: var(--accent);
  letter-spacing: .2em;
  margin-bottom: 10px;
}
.page-hero__title {
  font-family: var(--font-round);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-head);
}
.page-hero__deco-svg {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 200px;
  opacity: .15;
}

.works-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}
.filter-btn {
  padding: 8px 22px;
  border-radius: var(--r-full);
  border: 2px solid var(--deco);
  font-family: var(--font-round);
  font-size: .78rem;
  font-weight: 700;
  color: var(--text-main);
  background: #fff;
  transition: all .2s;
}
.filter-btn:hover,
.filter-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
.work-card {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1.5px solid var(--deco);
  transition: transform .3s, box-shadow .3s;
}
.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,.1);
}
.work-card__thumb {
  position: relative;
  overflow: hidden;
}
.work-card__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .5s;
}
.work-card:hover .work-card__img { transform: scale(1.05); }
.work-card__cat {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 14px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,.92);
  font-family: var(--font-round);
  font-size: .7rem;
  font-weight: 700;
  color: var(--accent-dk);
}
.work-card__body { padding: 24px; }
.work-card__name {
  font-family: var(--font-round);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 6px;
  line-height: 1.5;
}
.work-card__location {
  font-size: .78rem;
  opacity: .6;
  margin-bottom: 14px;
}
.work-card__specs {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .75rem;
  color: var(--text-main);
  opacity: .7;
  margin-bottom: 16px;
}
.work-card__specs span { font-weight: 700; color: var(--text-head); margin-right: 2px; }
.work-card__text {
  font-size: .82rem;
  line-height: 1.85;
  opacity: .85;
}

/* ── Works Detail Gallery ────────────────────── */
.works-detail {
  padding: 60px 0;
}
.works-detail__list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}
.works-detail__item { }
.works-detail__header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}
.works-detail__num {
  font-family: var(--font-en);
  font-size: .8rem;
  color: var(--accent);
  letter-spacing: .14em;
}
.works-detail__cat {
  padding: 3px 12px;
  border-radius: var(--r-full);
  background: var(--deco);
  font-size: .72rem;
  font-family: var(--font-round);
  font-weight: 700;
  color: var(--accent-dk);
}
.works-detail__title {
  font-family: var(--font-round);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 4px;
}
.works-detail__location {
  font-size: .82rem;
  opacity: .6;
}
.works-detail__gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.works-detail__main-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--r-md);
}
.works-detail__sub-imgs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.works-detail__sub-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--r-sm);
}
.works-detail__data {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: .8rem;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: var(--bg-alt);
  border-radius: var(--r-md);
}
.works-detail__data dt { font-weight: 700; color: var(--text-head); }
.works-detail__desc {
  font-size: .875rem;
  line-height: 2;
  opacity: .9;
}

/* ── Concept Page ────────────────────────────── */
.concept-philosophy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 80px;
}
.concept-philosophy__img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border-radius: var(--r-lg);
  box-shadow: 6px 8px 28px rgba(0,0,0,.1);
}
.concept-philosophy__body { }
.concept-philosophy__lead {
  font-family: var(--font-hand);
  font-size: 1.35rem;
  line-height: 1.8;
  color: var(--text-head);
  margin-bottom: 20px;
}
.concept-philosophy__text {
  font-size: .9rem;
  line-height: 2;
  opacity: .9;
}

.strengths {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.strength-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  padding: 36px;
  background: #fff;
  border-radius: var(--r-xl);
  border: 1.5px solid var(--deco);
}
.strength-item__num {
  font-family: var(--font-en);
  font-size: .85rem;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 8px;
}
.strength-item__icon { width: 72px; height: 72px; margin-bottom: 16px; }
.strength-item__title {
  font-family: var(--font-round);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 14px;
}
.strength-item__text {
  font-size: .875rem;
  line-height: 2;
  opacity: .9;
}
.strength-item__img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--r-lg);
}

/* ── Materials Section ───────────────────────── */
.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.material-card {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1.5px solid var(--deco);
}
.material-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.material-card__body { padding: 20px 22px 24px; }
.material-card__title {
  font-family: var(--font-round);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 8px;
}
.material-card__text {
  font-size: .83rem;
  line-height: 1.9;
  opacity: .85;
}

/* ── Performance ─────────────────────────────── */
.performance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.performance-item {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 28px 24px;
  border: 1.5px solid var(--deco);
  text-align: center;
}
.performance-item__icon { width: 52px; margin: 0 auto 14px; }
.performance-item__title {
  font-family: var(--font-round);
  font-size: .92rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 6px;
}
.performance-item__value {
  font-family: var(--font-en);
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 6px;
}
.performance-item__text {
  font-size: .75rem;
  line-height: 1.7;
  opacity: .75;
}
@media (max-width: 767px) {
  .performance-item {
    padding: 14px 10px;
  }
  .performance-item__icon {
    width: 36px;
    margin: 0 auto 8px;
  }
  .performance-item__title {
    font-size: .78rem;
    margin-bottom: 3px;
  }
  .performance-item__value {
    font-size: 1.1rem;
    margin-bottom: 4px;
  }
  .performance-item__text {
    font-size: .68rem;
    line-height: 1.55;
  }
}

/* ── Process (Steps) ─────────────────────────── */
.process-steps {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0 20px;
  position: relative;
}
.process-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--deco);
}
.process-step__num-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.process-step__num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.process-step__body {
  padding-bottom: 40px;
}
.process-step__title {
  font-family: var(--font-round);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 8px;
  padding-top: 10px;
}
.process-step__text {
  font-size: .85rem;
  line-height: 1.9;
  opacity: .85;
}

/* ── Company Page ────────────────────────────── */
.president__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.president__img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  border-radius: var(--r-xl);
  box-shadow: 6px 8px 28px rgba(0,0,0,.1);
}
.president__name {
  font-family: var(--font-round);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 6px;
}
.president__title-label {
  font-size: .8rem;
  opacity: .6;
  margin-bottom: 20px;
  font-family: var(--font-en);
  letter-spacing: .08em;
}
.president__message {
  font-size: .9rem;
  line-height: 2.1;
  opacity: .9;
}
.president__sign {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--accent-dk);
  margin-top: 20px;
}

.staff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.staff-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 28px 20px;
  border: 1.5px solid var(--deco);
  text-align: center;
}
.staff-card__img-wrap {
  position: relative;
  width: 110px;
  height: 110px;
  margin: 0 auto 18px;
}
.staff-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--deco);
}
.staff-card__deco {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px dashed var(--accent);
  opacity: .4;
  animation: spin 20s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.staff-card__name {
  font-family: var(--font-round);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 4px;
}
.staff-card__role {
  font-size: .75rem;
  color: var(--accent);
  font-family: var(--font-en);
  letter-spacing: .08em;
  margin-bottom: 12px;
}
.staff-card__comment {
  font-size: .8rem;
  line-height: 1.8;
  opacity: .8;
}

/* ── Company Overview Table ──────────────────── */
.company-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.company-table th,
.company-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--deco);
  text-align: left;
  vertical-align: top;
}
.company-table th {
  font-family: var(--font-round);
  font-weight: 700;
  color: var(--text-head);
  width: 34%;
  background: var(--bg-alt);
}
.company-table td {
  line-height: 1.8;
}

/* ── Access ──────────────────────────────────── */
.access__map {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.access__map iframe {
  width: 100%;
  height: 300px;
  border: 0;
  display: block;
}
.access__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.access__info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: .875rem;
}
.access__info-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--deco);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.access__info-body dt {
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 2px;
  font-family: var(--font-round);
}
.access__info-body dd {
  opacity: .8;
  line-height: 1.7;
}

/* ── Service Area ────────────────────────────── */
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.area-tag {
  padding: 6px 18px;
  border-radius: var(--r-full);
  background: #fff;
  border: 1.5px solid var(--deco);
  font-family: var(--font-round);
  font-size: .82rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ── Contact Page ────────────────────────────── */
.contact-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 56px;
}
.contact-method {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 28px;
  border: 1.5px solid var(--deco);
  text-align: center;
}
.contact-method__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-alt);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.contact-method__title {
  font-family: var(--font-round);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 8px;
}
.contact-method__text {
  font-size: .82rem;
  line-height: 1.8;
  opacity: .8;
  margin-bottom: 14px;
}
.contact-method__tel {
  font-family: var(--font-en);
  font-size: 1.5rem;
  color: var(--accent-dk);
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}
.contact-method__hours {
  font-size: .72rem;
  opacity: .6;
}

.contact-tel-block {
  text-align: center;
  padding: 40px 28px;
  background: var(--bg-alt);
  border-radius: var(--r-xl);
  margin-bottom: 56px;
  border: 1.5px solid var(--deco);
}
.contact-tel-block__label {
  font-family: var(--font-round);
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 8px;
}
.contact-tel-block__tel {
  font-family: var(--font-en);
  font-size: 2.4rem;
  color: var(--accent-dk);
  font-weight: 500;
  letter-spacing: .04em;
  display: block;
  margin-bottom: 6px;
}
.contact-tel-block__hours {
  font-size: .78rem;
  opacity: .65;
  margin-bottom: 20px;
}

.contact-form-section { }
.form-title {
  font-family: var(--font-round);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 28px;
  text-align: center;
}
.contact-form {
  background: #fff;
  border-radius: var(--r-xl);
  padding: 36px 28px;
  border: 1.5px solid var(--deco);
}
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-family: var(--font-round);
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-head);
  margin-bottom: 8px;
}
.form-label .required {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--accent);
  color: #fff;
  font-size: .65rem;
  margin-left: 8px;
  vertical-align: middle;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--deco);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text-main);
  background: var(--bg-main);
  transition: border-color .2s;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-textarea { height: 160px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.form-radio-group,
.form-check-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.form-radio,
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: .875rem;
}
.form-radio input,
.form-check input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}
.form-submit {
  text-align: center;
  margin-top: 32px;
}
.form-privacy {
  text-align: center;
  font-size: .78rem;
  opacity: .65;
  margin-top: 14px;
}

/* ── Footer ──────────────────────────────────── */
.site-footer {
  background: var(--bg-footer);
  color: rgba(255,255,255,.85);
  padding-bottom: 32px;
  position: relative;
}
.footer-silhouette {
  width: 100%;
  display: block;
  line-height: 0;
}
.footer-inner {
  padding: 48px 24px 0;
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 28px;
}
.footer-logo__main {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 4px;
}
.footer-logo__sub {
  font-family: var(--font-en);
  font-size: .65rem;
  opacity: .5;
  letter-spacing: .12em;
}
.footer-address {
  font-size: .8rem;
  line-height: 1.9;
  opacity: .7;
  margin-top: 12px;
}
.footer-nav__title {
  font-family: var(--font-round);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  opacity: .5;
  margin-bottom: 12px;
}
.footer-nav__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav__link {
  font-size: .8rem;
  opacity: .7;
  font-family: var(--font-round);
}
.footer-nav__link:hover { opacity: 1; }
.footer-sns {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}
.footer-sns__link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: background .2s;
}
.footer-sns__link:hover { background: var(--accent); opacity: 1; }
.footer-bottom {
  text-align: center;
  font-size: .72rem;
  opacity: .4;
  font-family: var(--font-en);
  letter-spacing: .06em;
}

/* ── Fixed Footer Bar (Mobile) ───────────────── */
.fixed-footer-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: 60px;
  background: #fff;
  box-shadow: 0 -2px 12px rgba(0,0,0,.1);
}
.fixed-footer-bar__tel,
.fixed-footer-bar__contact {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-round);
  font-size: .72rem;
  font-weight: 700;
  gap: 2px;
  transition: background .2s;
}
.fixed-footer-bar__tel {
  border: 2px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
}
.fixed-footer-bar__tel:hover { background: rgba(212,148,74,.06); opacity: 1; }
.fixed-footer-bar__contact {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}
.fixed-footer-bar__contact:hover { background: var(--accent-dk); opacity: 1; }
.fixed-footer-bar__icon { font-size: 1rem; }

/* ── Scroll Animation ────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in--delay1 { transition-delay: .1s; }
.fade-in--delay2 { transition-delay: .2s; }
.fade-in--delay3 { transition-delay: .3s; }

/* ── Screen reader only ──────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Utility ─────────────────────────────────── */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.pb-mobile { padding-bottom: 80px; }

/* ════════════════════════════════════════════════
   Responsive — Tablet 768px
════════════════════════════════════════════════ */
@media (min-width: 768px) {

  .hero__catchcopy { font-size: 2.8rem; }

  .events__grid { grid-template-columns: repeat(2, 1fr); }
  .events__grid .event-card:first-child { grid-column: 1 / -1; flex-direction: row; }
  .events__grid .event-card:first-child .event-card__img { width: 300px; aspect-ratio: auto; }

  .concept__inner { grid-template-columns: 1fr 1fr; }
  .concept__visual img { height: 100%; min-height: 320px; }

  .work-item { grid-template-columns: 1fr 1fr; }
  .work-item:nth-child(even) .work-item__img-wrap { order: 2; }
  .work-item:nth-child(even) .work-item__body { order: 1; }

  .reasons__grid { grid-template-columns: repeat(3, 1fr); }

  .voice-item { grid-template-columns: 2fr 3fr; }
  .voice-item__img { height: 100%; min-height: 280px; object-fit: cover; }

  .modelhouse__inner { grid-template-columns: 1fr 1fr; }
  .modelhouse__img { height: 100%; min-height: 280px; }

  .works-grid { grid-template-columns: repeat(2, 1fr); }

  .concept-philosophy { grid-template-columns: 1fr 1fr; }

  .strength-item { grid-template-columns: 1fr 1fr; }
  .strength-item:nth-child(even) .strength-item__img { order: -1; }

  .materials-grid { grid-template-columns: repeat(2, 1fr); }

  .performance-grid { grid-template-columns: repeat(4, 1fr); }

  .president__inner { grid-template-columns: 280px 1fr; }
  .president__img { max-width: 100%; margin: 0; }

  .staff-grid { grid-template-columns: repeat(4, 1fr); }

  .contact-methods { grid-template-columns: repeat(3, 1fr); }

  .form-row { grid-template-columns: 1fr 1fr; }

  .footer-top { flex-direction: row; gap: 48px; }

  .fixed-footer-bar { display: none; }
  .pb-mobile { padding-bottom: 0; }
}

/* ════════════════════════════════════════════════
   Responsive — Desktop 1024px
════════════════════════════════════════════════ */
@media (min-width: 1024px) {

  :root { --header-h: 80px; }

  .site-nav { display: flex; }
  .header-contact { display: flex; }
  .header-cta { display: inline-flex; }
  .hamburger { display: none; }

  .hero__catchcopy { font-size: 3.4rem; }
  .page-hero__title { font-size: 2.2rem; }

  .events__grid { grid-template-columns: repeat(3, 1fr); }
  .events__grid .event-card:first-child { grid-column: auto; flex-direction: column; }
  .events__grid .event-card:first-child .event-card__img { width: 100%; aspect-ratio: 16/9; }

  .works-grid { grid-template-columns: repeat(3, 1fr); }

  .materials-grid { grid-template-columns: repeat(4, 1fr); }

  .access__map iframe { height: 400px; }

  .works-detail__gallery { grid-template-columns: 1fr; }
}