/* ============================================================
   style.css — BlossomGarden 美咲が丘 41号地 LP
============================================================ */

/* ─── Design Tokens ─── */
:root {
  --clr-bg:       #F8F6F3;
  --clr-bg-off:   #EDEAE5;
  --clr-dark:     #2C2C2C;
  --clr-mid:      #6B6560;
  --clr-light:    #9E9994;
  --clr-border:   #DDD9D5;
  --clr-accent:   #C2A06A;
  --clr-accent-d: #A8885A;
  --clr-line:     #06C755;
  --clr-line-d:   #04a847;
  --clr-white:    #FFFFFF;

  --font-serif: 'Noto Serif JP', Georgia, serif;
  --font-sans:  'Noto Sans JP', 'Helvetica Neue', sans-serif;

  --container: 1160px;
  --section-v: 8rem;
  --radius:    2px;
  --trans:     0.3s ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 62.5%; }
body {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  line-height: 1.8;
  color: var(--clr-dark);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
}
img   { display: block; width: 100%; height: 100%; object-fit: cover; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }
address { font-style: normal; }

/* ─── Utility ─── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2.4rem;
}
.section-pad { padding: var(--section-v) 0; }
.bg-off      { background: var(--clr-bg-off); }
.sp-only     { display: none; }

/* ─── Fade-in ─── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Section Header ─── */
.section-header   { text-align: center; margin-bottom: 5.6rem; }
.section-en {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
  display: block;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--clr-dark);
}
.section-desc {
  margin-top: 1.4rem;
  font-size: 1.4rem;
  color: var(--clr-mid);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.4rem 3.2rem;
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--trans), color var(--trans), border-color var(--trans);
  border-radius: var(--radius);
  white-space: nowrap;
}
.btn-primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
}
.btn-primary:hover  { background: var(--clr-accent-d); border-color: var(--clr-accent-d); }
.btn-line {
  background: var(--clr-line);
  color: var(--clr-white);
  border-color: var(--clr-line);
}
.btn-line:hover     { background: var(--clr-line-d); border-color: var(--clr-line-d); }
.btn-outline {
  background: transparent;
  color: var(--clr-dark);
  border-color: var(--clr-dark);
}
.btn-outline:hover  { background: var(--clr-dark); color: var(--clr-white); }

.line-icon { width: 1.8rem; height: 1.8rem; flex-shrink: 0; }

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.6rem 2.4rem;
  transition: background var(--trans), box-shadow var(--trans);
}
.site-header.scrolled {
  background: rgba(248, 246, 243, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--clr-border);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.header-logo     { display: flex; flex-direction: column; gap: 0.2rem; }
.header-logo-sub {
  font-size: 1rem;
  letter-spacing: 0.14em;
  color: var(--clr-accent);
}
.header-logo-main {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--clr-white);
  transition: color var(--trans);
}
.site-header.scrolled .header-logo-main { color: var(--clr-dark); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 2.8rem;
}
.header-nav a {
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.82);
  transition: color var(--trans);
}
.header-nav a:hover { color: var(--clr-white); }
.site-header.scrolled .header-nav a      { color: var(--clr-mid); }
.site-header.scrolled .header-nav a:hover { color: var(--clr-dark); }
.header-nav .nav-cta {
  padding: 0.8rem 2rem;
  background: var(--clr-accent);
  color: var(--clr-white) !important;
  border-radius: var(--radius);
}
.header-nav .nav-cta:hover { background: var(--clr-accent-d); }

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: #3A3835; /* 写真読み込み前のフォールバック */
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(30,28,26,0.76) 0%,
    rgba(30,28,26,0.42) 55%,
    rgba(30,28,26,0.28) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 12rem 2.4rem 6rem;
  width: 100%;
}
.hero-label {
  font-size: 1.1rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1.8rem;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.6rem, 6.5vw, 7.2rem);
  font-weight: 300;
  line-height: 1.18;
  color: var(--clr-white);
  margin-bottom: 2.4rem;
  letter-spacing: 0.04em;
}
.hero-catch {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 300;
  color: rgba(255,255,255,0.86);
  margin-bottom: 2.8rem;
  letter-spacing: 0.06em;
  line-height: 1.75;
}
.hero-price {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 4.4rem;
}
.price-num {
  font-family: var(--font-serif);
  font-size: clamp(4.8rem, 7vw, 7rem);
  font-weight: 300;
  color: var(--clr-white);
  letter-spacing: 0.02em;
  line-height: 1;
}
.price-unit {
  font-size: 2.4rem;
  font-weight: 300;
  color: rgba(255,255,255,0.78);
}
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
  align-items: center;
}

/* スクロールヒント */
.hero-scroll-hint {
  position: absolute;
  bottom: 3.2rem;
  right: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: rgba(255,255,255,0.45);
  font-size: 1rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 5rem;
  background: rgba(255,255,255,0.2);
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.55);
  animation: scrollDown 2.2s ease infinite;
}
@keyframes scrollDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(100%); }
}

/* ヒーロー画像注記 */
.hero-img-note {
  position: absolute;
  bottom: 3.6rem;
  left: 2.4rem;
  z-index: 2;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.52);
  text-shadow: 0 1px 6px rgba(0,0,0,0.65);
  pointer-events: none;
}

/* ============================================================
   OVERVIEW
============================================================ */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--clr-border);
}
.overview-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 3.6rem 2.8rem;
  border-right: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.overview-item:nth-child(3n)      { border-right: none; }
.overview-item:nth-last-child(-n+3) { border-bottom: none; }

.ov-label {
  font-size: 1.2rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-accent);
}
.ov-value {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  color: var(--clr-dark);
  line-height: 1.55;
}
.ov-price       { font-size: 4.4rem; line-height: 1; }
.ov-price small { font-size: 2.2rem; margin-left: 0.3rem; }

/* ============================================================
   APPEAL
============================================================ */
.appeal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.2rem;
}
.appeal-card { background: var(--clr-white); overflow: hidden; }
.appeal-img-wrap {
  aspect-ratio: 3 / 4;   /* 縦長ポートレート枠 */
  overflow: hidden;
  background: #C2BDB8;
  position: relative;
}
/* グローバルの img { height: 100%; object-fit: cover; } が適用されるので見切れない */
.appeal-img-wrap img   { transition: transform 0.6s ease; }
.appeal-card:hover .appeal-img-wrap img { transform: scale(1.04); }

.appeal-body   { padding: 2.8rem 2.4rem; }
.appeal-num {
  display: block;
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}
.appeal-title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 400;
  margin-bottom: 1.2rem;
  letter-spacing: 0.04em;
}
.appeal-text { font-size: 1.4rem; color: var(--clr-mid); line-height: 1.85; }

/* ============================================================
   PERFORMANCE
============================================================ */
.perf-highlight {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
  margin-bottom: 5.6rem;
}
.perf-num-card {
  text-align: center;
  padding: 4.4rem 2.4rem 3.6rem;
  border: 1px solid var(--clr-border);
  position: relative;
}
.perf-num-card::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 3.2rem; height: 2px;
  background: var(--clr-accent);
}
.perf-big {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(3.8rem, 5vw, 5.6rem);
  font-weight: 300;
  color: var(--clr-dark);
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 1.2rem;
}
.perf-unit {
  display: block;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.8rem;
}
.perf-note { display: block; font-size: 1.2rem; color: var(--clr-light); }

/* ─── Section Lead ─── */
.section-lead {
  margin-top: 1.6rem;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 1.8vw, 1.7rem);
  font-weight: 300;
  line-height: 1.9;
  color: var(--clr-mid);
}
.pc-only { display: inline; }

/* ─── Performance Feature Cards ─── */
.perf-features {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--clr-border);
  margin-top: 2rem;
}

.perf-feature {
  display: grid;
  grid-template-columns: 58% 42%;
  border-bottom: 1px solid var(--clr-border);
  min-height: 42rem;
}
.perf-feature--rev { grid-template-columns: 42% 58%; }
.perf-feature--rev .perf-feature-img { order: 2; }
.perf-feature--rev .perf-feature-body { order: 1; }

/* 画像エリア */
.perf-feature-img {
  position: relative;
  overflow: hidden;
  background: #C2BDB8;
}
.perf-feature-img .lb-trigger {
  display: block;
  width: 100%; height: 100%;
  border: none;
  background: none;
  padding: 0;
  cursor: zoom-in;
  position: relative;
}
.perf-feature-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.perf-feature-img .lb-trigger:hover img { transform: scale(1.03); }

/* 拡大ヒント */
.lb-hint {
  position: absolute;
  bottom: 1.4rem; right: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: rgba(28,26,24,0.72);
  color: rgba(255,255,255,0.88);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  backdrop-filter: blur(4px);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s, transform 0.25s;
}
.lb-hint svg { width: 1.4rem; height: 1.4rem; flex-shrink: 0; }
.lb-trigger:hover .lb-hint,
.lb-trigger:focus .lb-hint { opacity: 1; transform: translateY(0); }

/* テキストエリア */
.perf-feature-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 4.8rem;
}
.perf-feature-num {
  display: block;
  font-size: 1.05rem;
  font-weight: 300;
  letter-spacing: 0.24em;
  color: var(--clr-accent);
  margin-bottom: 1.2rem;
}
.perf-feature-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.2vw, 2.4rem);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: 2.4rem;
}
.perf-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2rem;
  border: 1px solid var(--clr-border);
}
.perf-feature-list li {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  padding: 1.1rem 1.6rem;
  border-bottom: 1px solid var(--clr-border);
}
.perf-feature-list li:last-child { border-bottom: none; }
.pf-key {
  font-size: 1.2rem;
  color: var(--clr-mid);
  letter-spacing: 0.04em;
  white-space: nowrap;
  min-width: 10rem;
  flex-shrink: 0;
}
.pf-val {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--clr-dark);
  font-weight: 500;
}
.pf-val small {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--clr-mid);
  margin-left: 0.4rem;
}
.perf-feature-text {
  font-size: 1.4rem;
  color: var(--clr-mid);
  line-height: 1.85;
  margin-bottom: 1.2rem;
}
.perf-feature-note {
  font-size: 1.15rem;
  color: var(--clr-mid);    /* lightより一段濃く可読性を確保 */
  line-height: 1.65;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-border);
}

/* ─── Performance Disclaimer ─── */
.perf-disclaimer {
  margin-top: 4.8rem;
  padding: 2.4rem 3.2rem;
  border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-accent);
  background: var(--clr-bg-off);
}
.perf-disclaimer-heading {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--clr-mid);
  margin-bottom: 1.2rem;
}
.perf-disclaimer-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  list-style: none;
}
.perf-disclaimer-list li {
  font-size: 1.2rem;
  color: var(--clr-mid);
  line-height: 1.75;
  padding-left: 1.4rem;
  position: relative;
}
.perf-disclaimer-list li::before {
  content: '※';
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-size: 1.1rem;
}

/* ─── Lightbox ─── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(20,18,16,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(6px);
  animation: lbFadeIn 0.22s ease;
}
.lightbox[hidden] { display: none; }
@keyframes lbFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.lb-inner {
  position: relative;
  max-width: min(1100px, 96vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.lb-img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  width: auto;
  height: auto;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.lb-caption {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  text-align: center;
}
.lb-close {
  position: fixed;
  top: 2rem; right: 2.4rem;
  width: 4.4rem; height: 4.4rem;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: background var(--trans), border-color var(--trans);
}
.lb-close:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.5); }
.lb-close svg { width: 2rem; height: 2rem; }

/* ============================================================
   SPECS
============================================================ */
.specs-wrap   { overflow-x: auto; }
.specs-table  { width: 100%; border-collapse: collapse; font-size: 1.45rem; }
.specs-table th,
.specs-table td {
  padding: 1.7rem 2.4rem;
  text-align: left;
  border-bottom: 1px solid var(--clr-border);
  vertical-align: top;
}
.specs-table tr:first-child th,
.specs-table tr:first-child td { border-top: 1px solid var(--clr-border); }
.specs-table th {
  width: 22rem;
  color: var(--clr-mid);
  font-weight: 400;
  background: var(--clr-white);
  letter-spacing: 0.04em;
}
.specs-table td       { color: var(--clr-dark); }
.spec-price {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--clr-accent);
  font-weight: 500;
}
.specs-note { margin-top: 2rem; font-size: 1.2rem; color: var(--clr-light); }

/* ============================================================
   SURROUNDINGS
============================================================ */
.surr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4.8rem;
  margin-bottom: 5.6rem;
}
.surr-cat-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 400;
  margin-bottom: 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--clr-border);
}
.surr-icon         { display: flex; align-items: center; color: var(--clr-accent); }
.surr-icon svg     { width: 2rem; height: 2rem; }
.surr-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--clr-border);
  gap: 1rem;
}
.facility-name { font-size: 1.4rem; color: var(--clr-dark); }
.facility-walk {
  font-size: 1.3rem;
  color: var(--clr-mid);
  white-space: nowrap;
  flex-shrink: 0;
}
.facility-walk strong {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--clr-accent);
  font-weight: 400;
}

.map-wrap {
  height: 42rem;
  border: 1px solid var(--clr-border);
  overflow: hidden;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 2rem;
  color: var(--clr-light);
  text-align: center;
  background: var(--clr-bg-off);
}
.map-placeholder svg { width: 4rem; height: 4rem; }
.map-placeholder p   { font-size: 1.4rem; line-height: 1.7; }

/* ─── 区画案内 ─── */
.plot-guide {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5.6rem;
  align-items: center;
  margin-top: 5.6rem;
  padding-top: 5.6rem;
  border-top: 1px solid var(--clr-border);
}
.plot-guide-en {
  display: block;
  font-size: 1.1rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1rem;
}
.plot-guide-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 2.4vw, 2.6rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--clr-dark);
  line-height: 1.4;
  margin-bottom: 2rem;
}
.plot-guide-lot  { color: var(--clr-accent); }
.plot-guide-text {
  font-size: 1.45rem;
  color: var(--clr-mid);
  line-height: 1.9;
  margin-bottom: 2.4rem;
}
.plot-guide-text strong { color: var(--clr-dark); font-weight: 500; }
.plot-guide-note {
  font-size: 1.15rem;
  color: var(--clr-light);
  line-height: 1.7;
  padding-top: 1.4rem;
  border-top: 1px solid var(--clr-border);
}

.plot-guide-img-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-bg-off);
}
.plot-guide-img-wrap .lb-trigger {
  display: block;
  position: relative;
  width: 100%;
  border: none;
  background: none;
  padding: 0;
  cursor: zoom-in;
}
.plot-guide-img-wrap img {
  width: 100%;
  height: auto;       /* グローバルの height:100% / object-fit:cover を上書き */
  object-fit: unset;
  transition: transform 0.5s ease;
}
.plot-guide-img-wrap .lb-trigger:hover img { transform: scale(1.02); }

/* ============================================================
   GALLERY
============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  background: #C2BDB8;
  aspect-ratio: 4 / 3;
}
.gallery-item--large {
  grid-column: span 2;
  grid-row: span 2;
  aspect-ratio: unset;
}
.gallery-item--full {
  grid-column: 1 / -1;   /* 全幅（4cols） */
  aspect-ratio: 16 / 5;  /* 横長で間取り図を表示 */
}

/* lb-trigger が gallery-item 全体を覆う */
.gallery-item > .lb-trigger {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%; height: 100%;
  border: none;
  background: none;
  padding: 0;
  cursor: zoom-in;
}
.gallery-item > .lb-trigger img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item > .lb-trigger:hover img { transform: scale(1.04); }

/* lb-trigger なし（間取り図等）の img */
.gallery-item > img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ホバーヒント（gallery内） */
.gallery-item .lb-hint {
  position: absolute;
  bottom: 1rem; right: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: rgba(28,26,24,0.66);
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  letter-spacing: 0.05em;
  backdrop-filter: blur(3px);
  pointer-events: none;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.2s, transform 0.2s;
  z-index: 3;
}
.gallery-item .lb-hint svg { width: 1.3rem; height: 1.3rem; flex-shrink: 0; }
.gallery-item .lb-trigger:hover .lb-hint { opacity: 1; transform: translateY(0); }

/* キャプション */
.gallery-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.2rem 1.6rem;
  font-size: 1.1rem;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,0.92);
  background: linear-gradient(transparent, rgba(28,26,24,0.76));
  opacity: 0;
  transition: opacity var(--trans);
  pointer-events: none;
  z-index: 2;
}
.gallery-item:hover .gallery-label       { opacity: 1; }
.gallery-item--captioned .gallery-label  { opacity: 1; font-size: 1.25rem; padding: 1.6rem 2rem; }

/* 夜景・イメージ注記（常時表示） */
.gallery-img-note {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  padding: 0.4rem 1rem;
  font-size: 1rem;
  color: rgba(255,255,255,0.78);
  background: rgba(28,26,24,0.58);
  pointer-events: none;
  z-index: 2;
  letter-spacing: 0.03em;
  line-height: 1.5;
  backdrop-filter: blur(3px);
}

/* ============================================================
   CONTACT
============================================================ */
.contact { background: var(--clr-dark); }
.contact .section-title { color: var(--clr-white); }
.contact .section-desc  { color: rgba(255,255,255,0.58); }

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 6.4rem;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
}
.contact-method {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.2rem;
  padding: 3.6rem 2rem;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--clr-white);
  transition: border-color var(--trans), background var(--trans);
  cursor: pointer;
}
.contact-method:hover {
  border-color: rgba(255,255,255,0.36);
  background: rgba(255,255,255,0.04);
}
.contact-method--line       { border-color: rgba(6,199,85,0.38); }
.contact-method--line:hover { border-color: var(--clr-line); background: rgba(6,199,85,0.06); }

.cm-icon { width: 5rem; height: 5rem; display: flex; align-items: center; justify-content: center; color: var(--clr-accent); }
.contact-method--line .cm-icon { color: var(--clr-line); }
.cm-icon svg { width: 2.8rem; height: 2.8rem; }
.cm-label {
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-accent);
}
.contact-method--line .cm-label { color: var(--clr-line); }
.cm-value {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--clr-white);
}
.cm-sub  { font-size: 1.2rem; color: rgba(255,255,255,0.46); line-height: 1.75; }
.cm-safe { font-size: 1.05rem; color: rgba(255,255,255,0.30); letter-spacing: 0.03em; }

/* Form */
.contact-form { max-width: 72rem; margin: 0 auto; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.form-group   { margin-bottom: 2.4rem; }
.form-label {
  display: block;
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.65);
  margin-bottom: 0.8rem;
}
.required {
  display: inline-block;
  font-size: 1rem;
  padding: 0.2rem 0.7rem;
  background: var(--clr-accent);
  color: var(--clr-white);
  margin-left: 0.8rem;
  border-radius: 2px;
  vertical-align: middle;
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 1.4rem 1.6rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  color: var(--clr-white);
  font-family: var(--font-sans);
  font-size: 1.5rem;
  outline: none;
  transition: border-color var(--trans), background var(--trans);
}
.form-input::placeholder,
.form-textarea::placeholder { color: rgba(255,255,255,0.22); }
.form-input:focus,
.form-textarea:focus {
  border-color: var(--clr-accent);
  background: rgba(255,255,255,0.09);
}
.form-textarea  { resize: vertical; }
.form-submit    { text-align: center; margin-top: 1.6rem; }
.btn-submit     { min-width: 24rem; padding: 1.6rem 4rem; font-size: 1.5rem; }
.form-privacy   { margin-top: 2rem; text-align: center; font-size: 1.2rem; color: rgba(255,255,255,0.28); }

.form-error-msg {
  margin-bottom: 2.4rem;
  padding: 1.4rem 2rem;
  background: rgba(180,60,60,0.18);
  border: 1px solid rgba(220,80,80,0.35);
  border-radius: var(--radius);
  color: rgba(255,160,160,0.9);
  font-size: 1.3rem;
  line-height: 1.7;
  text-align: center;
}

.form-thanks-msg {
  max-width: 72rem;
  margin: 0 auto;
  text-align: center;
  padding: 6rem 2rem;
}
.form-thanks-msg > p:first-child {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.2vw, 2.2rem);
  font-weight: 300;
  line-height: 1.8;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
}
.form-thanks-sub {
  font-size: 1.3rem;
  color: rgba(255,255,255,0.42);
  line-height: 1.8;
}
.form-thanks-sub a { color: var(--clr-accent); }

/* ============================================================
   FOOTER
============================================================ */
.site-footer {
  background: #1C1A18;
  color: rgba(255,255,255,0.65);
  padding: 5.6rem 0 3.2rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4rem;
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-license {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.42);
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}
.footer-company-name {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 400;
  color: var(--clr-white);
  margin-top: 0.4rem;
  margin-bottom: 0.4rem;
}
.footer-address p { font-size: 1.3rem; line-height: 2.1; }
.footer-address a { color: rgba(255,255,255,0.65); transition: color var(--trans); }
.footer-address a:hover { color: var(--clr-accent); }

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: right;
  flex-shrink: 0;
}
.footer-nav a { font-size: 1.3rem; color: rgba(255,255,255,0.46); transition: color var(--trans); }
.footer-nav a:hover { color: var(--clr-white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.footer-legal { font-size: 1.1rem; color: rgba(255,255,255,0.28); }
.footer-copy  { font-size: 1.1rem; color: rgba(255,255,255,0.28); }

/* ============================================================
   FIXED CTA（スマホ下部追従）
============================================================ */
.fixed-cta {
  display: none; /* JS が .visible を付与して表示 */
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  box-shadow: 0 -2px 20px rgba(0,0,0,0.18);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.fixed-cta.visible { transform: translateY(0); }
.fixed-cta-btn {
  flex: 1;
  border-radius: 0;
  padding: 1.6rem 1rem;
  font-size: 1.35rem;
}

/* ============================================================
   RESPONSIVE — Tablet
============================================================ */
@media (max-width: 1024px) {
  :root { --section-v: 6.4rem; }

  .appeal-grid   { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid        { grid-template-columns: repeat(3, 1fr); }
  .gallery-item--large { grid-column: span 2; grid-row: span 2; aspect-ratio: unset; }
  .gallery-item--full  { grid-column: 1 / -1; aspect-ratio: 16/5; }

  /* Performance: narrow columns */
  .perf-feature            { grid-template-columns: 52% 48%; min-height: 38rem; }
  .perf-feature--rev       { grid-template-columns: 48% 52%; }
  .perf-feature-body       { padding: 3.2rem 3.2rem; }
  .surr-grid     { gap: 3.2rem; }
}

/* ============================================================
   RESPONSIVE — Mobile
============================================================ */
@media (max-width: 768px) {
  :root         { --section-v: 5.2rem; }
  html          { font-size: 56.25%; }
  .sp-only      { display: inline; }

  /* Header: hide nav */
  .site-header  { padding: 1.4rem 2rem; }
  .header-nav   { display: none; }

  /* Hero */
  .hero-content { padding: 11rem 2rem 8rem; }
  .hero-scroll-hint { display: none; }
  .hero-cta-group { flex-direction: column; align-items: flex-start; }
  .hero-cta-group .btn { width: 100%; max-width: 36rem; }
  .hero-img-note { bottom: 1.6rem; left: 2rem; right: 2rem; font-size: 0.95rem; }

  /* Overview: 2col */
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-item:nth-child(3n)       { border-right: 1px solid var(--clr-border); }
  .overview-item:nth-child(2n)       { border-right: none; }
  .overview-item:nth-last-child(-n+3){ border-bottom: 1px solid var(--clr-border); }
  .overview-item:nth-last-child(-n+2){ border-bottom: none; }
  .ov-value  { font-size: 1.7rem; }
  .ov-price  { font-size: 3.8rem; }
  .ov-price small { font-size: 2rem; }

  /* Appeal: 1col */
  .appeal-grid { grid-template-columns: 1fr; gap: 2.4rem; }

  /* Performance */
  .perf-highlight { grid-template-columns: 1fr; gap: 1.6rem; }
  .pc-only        { display: none; }

  /* Performance feature cards: stack vertically on mobile */
  .perf-feature,
  .perf-feature--rev            { grid-template-columns: 1fr; min-height: unset; }
  .perf-feature--rev .perf-feature-img  { order: 0; }
  .perf-feature--rev .perf-feature-body { order: 1; }
  .perf-feature-img             { height: 28rem; }
  .perf-feature-body            { padding: 2.8rem 2.4rem; }
  .lb-hint                      { opacity: 1; transform: translateY(0); } /* モバイルは常時表示 */

  /* Specs */
  .specs-table th { width: 11rem; }
  .specs-table th,
  .specs-table td { padding: 1.4rem 1.6rem; }

  /* Surroundings */
  .surr-grid { grid-template-columns: 1fr; gap: 3.2rem; }
  .map-wrap  { height: 32rem; }
  .plot-guide {
    grid-template-columns: 1fr;
    gap: 3.2rem;
    margin-top: 4rem;
    padding-top: 4rem;
  }
  .plot-guide-body     { order: 2; }
  .plot-guide-img-wrap { order: 1; }
  .plot-guide-img-wrap .lb-hint { opacity: 1; transform: translateY(0); }

  /* Gallery: 2col on mobile */
  .gallery-grid          { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
  .gallery-item--large   { grid-column: span 2; aspect-ratio: 3/2; }
  .gallery-item--full    { grid-column: 1 / -1; aspect-ratio: 4/3; }
  /* モバイルはlb-hintを常時表示 */
  .gallery-item .lb-hint { opacity: 1; transform: translateY(0); }
  /* 夜景注記: モバイルはフォントを少し小さく */
  .gallery-img-note      { font-size: 0.95rem; padding: 0.3rem 0.8rem; }

  /* Contact */
  .contact-methods { grid-template-columns: 1fr; gap: 1.2rem; max-width: 100%; }
  .form-row        { grid-template-columns: 1fr; gap: 0; }

  /* Footer */
  .footer-inner  { flex-direction: column; gap: 3.2rem; }
  .footer-nav    { text-align: left; flex-direction: row; flex-wrap: wrap; gap: 1.2rem 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.8rem; }

  /* Fixed CTA: show on mobile */
  .fixed-cta { display: flex; }
  body        { padding-bottom: 6rem; }
}

@media (max-width: 480px) {
  .gallery-grid          { grid-template-columns: 1fr; gap: 0.6rem; }
  .gallery-item          { aspect-ratio: 4/3; }
  .gallery-item--large   { grid-column: span 1; grid-row: span 1; aspect-ratio: 4/3; }
  .gallery-item--full    { grid-column: 1 / -1; aspect-ratio: 4/3; }
  .btn-submit            { min-width: 0; width: 100%; }
}