/* ============================================
   こだわりあいうえお × お風呂版 LP
   トビラコテイスト：素朴・温かみ・余白・手書き感
============================================ */

/* ---------- Reset / Base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }

:root {
  --bg: #FAF7F2;          /* warm cream base */
  --bg-alt: #F2EDE4;      /* slightly darker section bg */
  --bg-dark: #2A2620;     /* footer / final cta dark */
  --text: #3D3D3D;        /* main text */
  --text-soft: #6E6A65;   /* secondary */
  --text-light: #A09B95;  /* tertiary */
  --accent: #C7724A;      /* warm terracotta */
  --accent-soft: #E8B86E; /* amber */
  --shinkai: #4A6B8A;     /* deep sea blue */
  --dino: #B8896E;        /* warm tan */
  --line: #E5DFD3;        /* divider line */
  --shadow: 0 8px 32px rgba(60, 50, 40, 0.08);

  --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow {
  max-width: 720px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  font-weight: 500;
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: 0.08em;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--accent);
  margin: 20px auto 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1.5px solid transparent;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover {
  background: #b06340;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(199, 114, 74, 0.3);
}
.btn--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
}
.btn--outline:hover {
  background: var(--text);
  color: #fff;
}
.btn--full {
  display: block;
  text-align: center;
  width: 100%;
}
.btn--lg {
  padding: 20px 48px;
  font-size: 1.05rem;
}

/* ============================================
   HERO
============================================ */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top right, rgba(232, 184, 110, 0.15), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(74, 107, 138, 0.1), transparent 60%),
    var(--bg);
}
.hero__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero__brand {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.5;
  margin-bottom: 32px;
  letter-spacing: 0.06em;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(transparent 70%, rgba(232, 184, 110, 0.5) 70%);
  padding: 0 0.1em;
}
.hero__sub {
  font-size: 1rem;
  color: var(--text-soft);
  margin-bottom: 40px;
  line-height: 2;
}
.hero__sub-jp {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.9rem;
  color: var(--text-light);
}
.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero__visual {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  flex-wrap: wrap;
}
.hero__img {
  max-width: 360px;
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: rotate(-1deg);
  transition: transform 0.5s ease;
}
.hero__img--dino {
  transform: rotate(1deg);
}
.hero__img:hover {
  transform: rotate(0) scale(1.02);
}

/* ============================================
   FLOATING DECORATIVE ILLUSTRATIONS
============================================ */
.floating-illust {
  position: absolute;
  width: 130px;
  height: auto;
  pointer-events: none;
  z-index: 1;
  /* 白背景を背景色と馴染ませる：multiply で白が透過 */
  mix-blend-mode: multiply;
  opacity: 0.92;
  transition: opacity 0.4s ease;
}
/* サイズバリエーション */
.floating-illust--xl   { width: 200px; }
.floating-illust--lg   { width: 165px; }
/* default = 130px (no modifier) */
.floating-illust--small { width: 90px; }
.floating-illust--mini { width: 65px; }
/* 左配置：右向きに反転（scaleX(-1)）+ rotate */
.floating-illust--tl { top: 56px; left: 10%; transform: scaleX(-1) rotate(8deg); }
.floating-illust--tr { top: 56px; right: 10%; transform: rotate(8deg); }
.floating-illust--bl { bottom: 56px; left: 10%; transform: scaleX(-1) rotate(-6deg); }
.floating-illust--br { bottom: 56px; right: 10%; transform: rotate(-6deg); }
/* Hero専用（より中央寄り） */
.floating-illust--hero-tr { top: 100px; right: 7%; transform: rotate(10deg); }
.floating-illust--hero-bl { bottom: 80px; left: 7%; transform: scaleX(-1) rotate(-8deg); }
@media (max-width: 1024px) {
  .floating-illust--tl, .floating-illust--bl { left: 5%; }
  .floating-illust--tr, .floating-illust--br { right: 5%; }
}
@media (max-width: 768px) {
  .floating-illust { width: 70px; opacity: 0.6; }
  .floating-illust--small { width: 56px; }
  .floating-illust--tl, .floating-illust--tr { top: 16px; }
  .floating-illust--bl, .floating-illust--br { bottom: 16px; }
  .floating-illust--tl, .floating-illust--bl { left: 3%; }
  .floating-illust--tr, .floating-illust--br { right: 3%; }
}

/* ============================================
   EMPATHY
============================================ */
.empathy {
  padding: 100px 0;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}
.empathy__list {
  max-width: 640px;
  margin: 0 auto 48px;
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 2;
}
.empathy__list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #fff;
  padding: 24px 28px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(60, 50, 40, 0.04);
  position: relative;
  padding-left: 56px;
}
.empathy__list li::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 32px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.empathy__list p {
  font-size: 1.02rem;
  color: var(--text);
  line-height: 1.6;
}
.empathy__bridge {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-top: 32px;
}

/* ============================================
   LIFESTYLE
============================================ */
.lifestyle {
  background: var(--bg);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.lifestyle__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.lifestyle__visual {
  position: relative;
}
.lifestyle__img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.lifestyle__img--main {
  transform: rotate(-1deg);
}
.lifestyle__label {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-bottom: 16px;
}
.lifestyle__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
}
.lifestyle__body {
  color: var(--text-soft);
  line-height: 2.1;
  font-size: 0.96rem;
}
.lifestyle__body strong {
  color: var(--accent);
  font-weight: 500;
  background: linear-gradient(transparent 65%, rgba(232, 184, 110, 0.4) 65%);
  padding: 0 0.1em;
}
@media (max-width: 768px) {
  .lifestyle__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ============================================
   BATH SCENE
============================================ */
.bath-scene {
  background: var(--bg-alt);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.bath-scene__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.bath-scene__visual img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transform: rotate(-1deg);
}
.bath-scene__label {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--shinkai);
  margin-bottom: 16px;
}
.bath-scene__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}
.bath-scene__body {
  color: var(--text-soft);
  line-height: 2.1;
  font-size: 0.96rem;
}
@media (max-width: 768px) {
  .bath-scene__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ============================================
   STORY
============================================ */
.story {
  padding: 120px 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.story::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: var(--accent);
}
.story__label {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 24px;
}
.story__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 500;
  text-align: center;
  margin-bottom: 64px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
.story__body p {
  font-size: 1rem;
  margin-bottom: 1.8em;
  line-height: 2.1;
}
.story__body strong {
  font-weight: 500;
  background: linear-gradient(transparent 65%, rgba(199, 114, 74, 0.2) 65%);
}
.story__quote {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  text-align: center;
  margin: 48px 0 !important;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--accent);
  letter-spacing: 0.1em;
}

/* ============================================
   FEATURES
============================================ */
.features {
  padding: 100px 0;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 880px;
  margin: 0 auto;
}
.feature {
  background: #fff;
  padding: 40px 32px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(60, 50, 40, 0.04);
}
.feature__num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 16px;
}
.feature__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.feature__body {
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.9;
}

/* ============================================
   VOICES
============================================ */
.voices {
  padding: 100px 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.voices__lead {
  text-align: center;
  color: var(--text-soft);
  margin-top: -40px;
  margin-bottom: 56px;
}
.voices__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}
.voice {
  background: var(--bg-alt);
  padding: 32px;
  border-radius: 12px;
  border-left: 3px solid var(--accent);
}
.voice__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 16px;
  color: var(--text);
}
.voice__body {
  font-size: 0.94rem;
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 16px;
}
.voice__meta {
  font-size: 0.82rem;
  color: var(--text-light);
  letter-spacing: 0.1em;
}

/* ============================================
   PRODUCTS
============================================ */
.products {
  padding: 120px 0;
  background: var(--bg-alt);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}
.product {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.product__visual {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-alt);
}
.product__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product:hover .product__visual img {
  transform: scale(1.04);
}
.product__body {
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product__tag {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-bottom: 12px;
}
.product--shinkai .product__tag { color: var(--shinkai); }
.product--dino .product__tag { color: var(--dino); }
.product__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.product__desc {
  font-size: 0.94rem;
  color: var(--text-soft);
  line-height: 1.9;
  margin-bottom: 24px;
}
.product__spec {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  margin-bottom: 24px;
}
.product__spec li {
  font-size: 0.88rem;
  color: var(--text-soft);
  padding: 4px 0;
}
.product__price {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text);
}
.products__note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 32px;
}

/* ============================================
   ILLUST GALLERY (恐竜イラスト)
============================================ */
.illust {
  padding: 120px 0;
  background:
    radial-gradient(ellipse at center top, rgba(232, 184, 110, 0.1), transparent 70%),
    var(--bg);
}
.illust__label {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 16px;
}
.illust__lead {
  max-width: 640px;
  margin: -32px auto 64px;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.96rem;
  line-height: 2;
}
.illust__group {
  margin-bottom: 80px;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}
.illust__group:last-child {
  margin-bottom: 0;
}
.illust__group-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 0.08em;
}
.illust__group-mark {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 400;
}
.illust__group:nth-child(2) .illust__group-mark { color: var(--shinkai); }
.illust__group:nth-child(3) .illust__group-mark { color: var(--dino); }

.illust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 980px;
  margin: 0 auto;
}
.illust__item {
  text-align: center;
  transition: transform 0.4s ease;
}
.illust__item:hover {
  transform: translateY(-4px);
}
.illust__item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 4px 16px rgba(60, 50, 40, 0.06);
  margin-bottom: 12px;
}
.illust__item figcaption {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--text);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.illust__kana {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.95rem;
  font-weight: 500;
}
.illust__group:nth-child(2) .illust__kana { background: var(--shinkai); }
.illust__group:nth-child(3) .illust__kana { background: var(--dino); }
.illust__caption {
  text-align: center;
  margin-top: 56px;
  font-size: 0.88rem;
  color: var(--text-light);
  font-style: italic;
}

.product__hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 12px;
  letter-spacing: 0.05em;
}

.sp-only { display: none; }
@media (max-width: 768px) {
  .sp-only { display: inline; }
  .illust__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

/* ============================================
   GALLERY
============================================ */
.gallery {
  padding: 100px 0;
  background: var(--bg);
}
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}
.gallery__grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(60, 50, 40, 0.06);
  transition: transform 0.4s ease;
}
.gallery__grid img:hover {
  transform: scale(1.05);
}

/* ============================================
   FAQ
============================================ */
.faq {
  padding: 100px 0;
  background: var(--bg-alt);
  position: relative;
  overflow: hidden;
}
.faq__list {
  display: grid;
  gap: 16px;
}
.faq__item {
  background: #fff;
  border-radius: 8px;
  padding: 24px 28px;
}
.faq__item dt {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text);
  position: relative;
  padding-left: 28px;
}
.faq__item dt::before {
  content: 'Q.';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-serif);
}
.faq__item dd {
  font-size: 0.94rem;
  color: var(--text-soft);
  line-height: 1.9;
  padding-left: 28px;
  position: relative;
}
.faq__item dd::before {
  content: 'A.';
  position: absolute;
  left: 0;
  color: var(--text-light);
  font-family: var(--font-serif);
}

/* ============================================
   FINAL CTA
============================================ */
.final-cta {
  padding: 120px 0;
  background: var(--bg-dark);
  color: #F5EFE6;
  text-align: center;
}
.final-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
.final-cta p {
  margin-bottom: 40px;
  color: #C9C0B4;
}

/* ============================================
   FOOTER
============================================ */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-dark);
  color: #A09B95;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer__brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.3em;
  color: #F5EFE6;
  margin-bottom: 8px;
}
.footer__org {
  font-size: 0.85rem;
  margin-bottom: 32px;
}
.footer__links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.footer__links a {
  font-size: 0.85rem;
  color: #C9C0B4;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.3s;
}
.footer__links a:hover {
  color: #F5EFE6;
}
.footer__copy {
  font-size: 0.78rem;
  color: #6E6A65;
  letter-spacing: 0.15em;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0 80px;
  }
  .hero__visual {
    gap: 16px;
  }
  .hero__img {
    max-width: 45%;
  }
  .features__grid,
  .products__grid,
  .voices__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .empathy, .story, .features, .voices, .products, .gallery, .faq, .final-cta {
    padding: 70px 0;
  }
  .section-title {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
  .hero__cta .btn {
    width: 80%;
    text-align: center;
  }
  .feature, .voice, .product__body {
    padding: 24px 20px;
  }
}