:root {
  color-scheme: light;
  --ink: #2d241d;
  --muted: #5f554d;
  --paper: #fffaf1;
  --white: #ffffff;
  --cream: #fff3df;
  --green: #4d8b67;
  --green-dark: #2f684e;
  --leaf: #eaf6ea;
  --orange: #e99045;
  --pink: #f5c9c5;
  --line: #eadfce;
  --shadow: 0 18px 44px rgba(75, 55, 36, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, #f0eadf 0, #fffaf1 18%, #fffaf1 82%, #f0eadf 100%);
  font-family: "Yu Gothic", "Yu Gothic UI", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  font-weight: 500;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

p,
li {
  line-height: 1.88;
}

.site-shell {
  width: min(100%, 430px);
  margin: 0 auto;
  min-height: 100vh;
  overflow: hidden;
  box-shadow: 0 0 56px rgba(75, 55, 36, 0.12);
  background:
    radial-gradient(circle at 12% 6%, rgba(245, 201, 197, 0.48) 0 84px, transparent 85px),
    radial-gradient(circle at 88% 18%, rgba(234, 246, 234, 0.95) 0 120px, transparent 121px),
    var(--paper);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px 10px;
  background: rgba(255, 250, 241, 0.92);
  border-bottom: 1px solid rgba(234, 223, 206, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--green-dark);
  flex: 0 0 auto;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.25;
}

.nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 68vw;
  overflow-x: auto;
  padding-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  scrollbar-width: none;
}

.nav::-webkit-scrollbar {
  display: none;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.hero {
  position: relative;
  display: grid;
  gap: 16px;
  align-items: center;
  padding: 14px 14px 32px;
}

.hero::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: 22px;
  width: 150px;
  height: 150px;
  background: var(--pink);
  border-radius: 50%;
  opacity: 0.58;
  z-index: 0;
}

.hero-copy,
.hero-photo {
  position: relative;
  z-index: 1;
}

.hero-photo {
  order: -1;
}

.label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 14px;
  color: var(--green-dark);
  background: var(--leaf);
  border: 1px solid rgba(77, 139, 103, 0.24);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin: 14px 0 12px;
  font-size: clamp(30px, 8vw, 44px);
  line-height: 1.18;
  font-weight: 900;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(24px, 7vw, 34px);
  line-height: 1.34;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.45;
}

.lead {
  max-width: 620px;
  color: #51473f;
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.keyword-row,
.search-intent {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.keyword-row span,
.search-intent span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.search-intent {
  margin: 0;
  padding: 0 18px 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.hero-actions .button,
.cta-box .button,
.sticky-cta .button {
  width: 100%;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(75, 55, 36, 0.12);
}

.button.primary {
  color: var(--white);
  background: var(--green-dark);
}

.button.secondary {
  color: var(--green-dark);
  background: var(--white);
  border: 1px solid var(--line);
}

.hero-photo {
  overflow: hidden;
  padding: 0;
  background: var(--white);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  object-position: 50% 82%;
  border-radius: 26px;
  transform: none;
  transform-origin: center;
}

.hero-note,
.hero-overlay {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  max-width: none;
  padding: 10px 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(234, 223, 206, 0.9);
  border-radius: 20px;
  box-shadow: 0 12px 28px rgba(75, 55, 36, 0.14);
  backdrop-filter: blur(10px);
}

.hero-overlay span {
  display: block;
  margin-bottom: 4px;
  color: var(--green-dark);
  font-size: 10px;
  font-weight: 900;
}

.hero-overlay strong {
  display: block;
  font-size: clamp(17px, 5vw, 22px);
  line-height: 1.28;
  font-weight: 900;
}

.section {
  padding: 44px 18px;
}

.visual-strip {
  display: grid;
  gap: 14px;
  padding-top: 8px;
  background: var(--paper);
}

.visual-strip figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  min-height: 190px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(75, 55, 36, 0.08);
}

.visual-strip img {
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
}

.visual-strip figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 8px 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.section.soft {
  background: linear-gradient(180deg, var(--leaf), #f7fbf4);
}

.section.cream {
  background: var(--cream);
}

.section-head {
  max-width: 720px;
  margin-bottom: 22px;
}

.section-head p {
  color: #51473f;
}

.story {
  display: grid;
  gap: 14px;
}

.story-card {
  position: relative;
  overflow: hidden;
  padding: 18px 18px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(75, 55, 36, 0.07);
}

.story-card img {
  width: calc(100% + 36px);
  max-width: none;
  height: 178px;
  margin: -18px -18px 16px;
  object-fit: cover;
  object-position: 50% 42%;
}

.story-card::before {
  content: attr(data-number);
  position: absolute;
  left: 18px;
  top: 192px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin: 0;
  color: var(--white);
  background: var(--orange);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 900;
}

.story-card h3 {
  display: flex;
  align-items: center;
  min-height: 34px;
  margin-top: 0;
  padding-left: 46px;
}

.story-card p {
  margin-bottom: 0;
  color: #51473f;
  font-size: 14.5px;
  font-weight: 500;
}

.product {
  display: grid;
  gap: 22px;
  align-items: center;
}

.product-photo {
  overflow: hidden;
  padding: 10px;
  background: var(--white);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.product-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: 50% 42%;
  border-radius: 20px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 14px 14px 14px 42px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  font-weight: 800;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 13px;
  height: 8px;
  border-left: 3px solid var(--green);
  border-bottom: 3px solid var(--green);
  transform: rotate(-45deg);
}

.note {
  padding: 16px;
  color: #51473f;
  background: rgba(255, 255, 255, 0.74);
  border: 1px dashed rgba(77, 139, 103, 0.36);
  border-radius: 18px;
  font-size: 14px;
}

.compare-table {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 12px 28px rgba(75, 55, 36, 0.07);
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.compare-row:first-child {
  border-top: 0;
}

.compare-row > div {
  padding: 14px 16px;
  border-left: 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.65;
}

.compare-row > div:first-child {
  border-top: 0;
  background: rgba(234, 246, 234, 0.6);
  font-weight: 900;
}

.compare-row.head {
  display: none;
}

.cta-box {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 18px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.cta-box p {
  color: #51473f;
}

.related ul {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.related a {
  display: block;
  padding: 16px 18px;
  color: var(--green-dark);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  font-weight: 900;
}

.article {
  max-width: 820px;
  margin: 0 auto;
  padding: 38px 18px;
}

.article-meta {
  color: #51473f;
  font-size: 12px;
  font-weight: 900;
}

.article-body h2 {
  margin-top: 34px;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

.article-body blockquote {
  margin: 22px 0;
  padding: 18px 20px;
  color: #51473f;
  background: var(--leaf);
  border-left: 4px solid var(--green);
  border-radius: 0 18px 18px 0;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 0 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 24px rgba(75, 55, 36, 0.06);
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 900;
  line-height: 1.55;
}

.faq-list p {
  margin-bottom: 18px;
  color: #51473f;
}

.footer {
  padding: 30px 20px 96px;
  color: rgba(255, 255, 255, 0.76);
  background: #2e3d33;
  font-size: 12px;
  text-align: center;
}

.footer a {
  text-decoration: underline;
}

.sticky-cta {
  position: fixed;
  left: 50%;
  right: auto;
  bottom: 0;
  z-index: 30;
  width: min(100%, 430px);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 250, 241, 0.94);
  border-top: 1px solid var(--line);
  box-shadow: 0 -12px 28px rgba(75, 55, 36, 0.12);
  transform: translateX(-50%);
}

.sticky-cta .button {
  max-width: 430px;
  margin: 0 auto;
}

@media (min-width: 780px) {
  .topbar {
    align-items: flex-start;
    padding: 12px 16px 10px;
  }

  .brand {
    font-size: 15px;
  }

  .nav {
    max-width: 68vw;
    gap: 8px;
    overflow-x: auto;
    font-size: 12px;
  }

  .hero {
    gap: 16px;
    padding: 14px 14px 32px;
  }

  .hero-photo {
    order: -1;
  }

  .hero-photo img {
    aspect-ratio: 5 / 6;
    object-position: 50% 82%;
  }

  .hero-overlay {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
    padding: 10px 14px;
  }

  .hero-actions .button,
  .cta-box .button {
    width: 100%;
  }

  .section {
    padding: 44px 18px;
  }

  .search-intent {
    padding: 0 18px 24px;
  }

  .story {
    grid-template-columns: 1fr;
  }

  .visual-strip {
    grid-template-columns: 1fr;
  }

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

  .compare-row > div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .compare-row > div:first-child {
    border-top: 0;
    background: rgba(234, 246, 234, 0.6);
  }

  .compare-row.head {
    display: none;
  }

  .sticky-cta {
    display: block;
  }
}

@media (max-width: 360px) {
  .brand {
    font-size: 14px;
  }

  .nav {
    max-width: 66vw;
  }

  h1 {
    font-size: 31px;
  }

  .section,
  .hero,
  .article {
    padding-left: 14px;
    padding-right: 14px;
  }
}