:root {
  color-scheme: light;
  --ink: #2a211c;
  --muted: #776b63;
  --paper: #fff8ef;
  --white: #ffffff;
  --yellow: #ffe944;
  --green: #1fb58f;
  --green-dark: #0f765f;
  --rose: #e15871;
  --blue: #71c7df;
  --cream: #fff2df;
  --line: #ead9ca;
  --shadow: 0 14px 36px rgba(73, 42, 27, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, #eee2d7 0, #fff8ef 18%, #fff8ef 82%, #eee2d7 100%);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  letter-spacing: 0;
}

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

button {
  font: inherit;
}

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

.phone-page {
  position: relative;
  width: min(100%, 430px);
  margin: 0 auto;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 0 50px rgba(62, 43, 33, 0.14);
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: grid;
  grid-template-columns: 70px 1fr 70px;
  align-items: center;
  min-height: 50px;
  padding: 0 14px;
  background: rgba(255, 248, 239, 0.94);
  border-bottom: 1px solid rgba(42, 33, 28, 0.1);
  backdrop-filter: blur(12px);
}

.brand {
  justify-self: center;
  font-size: 22px;
  font-weight: 900;
}

.icon-button {
  position: relative;
  width: 38px;
  height: 38px;
  padding: 0;
  background: transparent;
  border: 0;
}

.icon-button::before,
.icon-button::after,
.icon-button span {
  content: "";
  position: absolute;
  left: 8px;
  width: 19px;
  height: 2px;
  background: var(--ink);
  border-radius: 10px;
}

.icon-button::before {
  top: 12px;
}

.icon-button span {
  top: 18px;
}

.icon-button::after {
  top: 24px;
}

.top-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.line-icon {
  position: relative;
  display: inline-block;
  width: 26px;
  height: 26px;
}

.search-icon::before {
  content: "";
  position: absolute;
  inset: 3px 6px 7px 3px;
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.search-icon::after {
  content: "";
  position: absolute;
  right: 3px;
  bottom: 3px;
  width: 9px;
  height: 2px;
  background: var(--ink);
  transform: rotate(45deg);
  border-radius: 6px;
}

.heart-icon::before,
.heart-icon::after {
  content: "";
  position: absolute;
  top: 7px;
  width: 12px;
  height: 18px;
  border: 2px solid var(--ink);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
  background: transparent;
}

.heart-icon::before {
  left: 4px;
  transform: rotate(-45deg);
}

.heart-icon::after {
  right: 4px;
  transform: rotate(45deg);
}

.breadcrumb {
  margin: 0;
  padding: 10px 16px;
  color: #9a8f87;
  background: var(--white);
  border-bottom: 1px solid rgba(42, 33, 28, 0.08);
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hero {
  background: var(--green);
}

.hero-art {
  position: relative;
  min-height: 520px;
  background: var(--green);
}

.hero-bg {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.cloud-title {
  position: absolute;
  top: 24px;
  left: 50%;
  width: 310px;
  min-height: 92px;
  padding: 18px 20px 14px;
  color: var(--yellow);
  border: 3px solid var(--yellow);
  border-radius: 48px;
  transform: translateX(-50%);
  text-align: center;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.15);
  background: rgba(18, 150, 120, 0.68);
}

.cloud-title span {
  display: block;
  font-size: 21px;
  font-weight: 900;
}

.cloud-title strong {
  display: block;
  font-size: 38px;
  line-height: 1;
}

.photo-badge {
  position: absolute;
  display: grid;
  justify-items: center;
  gap: 5px;
  color: var(--yellow);
  font-size: 12px;
  font-weight: 900;
}

.photo-badge img {
  width: 66px;
  height: 66px;
  object-fit: cover;
  border: 3px solid var(--yellow);
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.badge-one {
  left: 18px;
  top: 165px;
  transform: rotate(-9deg);
}

.badge-two {
  right: 20px;
  top: 320px;
  transform: rotate(8deg);
}

.hero-copy {
  position: relative;
  margin-top: -32px;
  padding: 34px 28px 40px;
  background: var(--paper);
  border-radius: 28px 28px 0 0;
}

.mini-label,
.section-kicker,
.pill {
  margin: 0 0 12px;
  color: var(--rose);
  font-size: 13px;
  font-weight: 900;
}

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

h1 {
  margin-bottom: 18px;
  font-size: 40px;
  line-height: 1.14;
  font-weight: 900;
}

h2 {
  margin-bottom: 16px;
  font-size: 28px;
  line-height: 1.38;
  font-weight: 900;
}

p {
  line-height: 1.9;
}

.hero-copy p:not(.mini-label),
.speech-card p,
.feature p,
.product-body p,
.faq p {
  color: var(--muted);
  font-size: 15px;
}

.speech {
  padding: 34px 22px 54px;
  background: var(--paper);
}

.seo-intent {
  padding: 44px 24px 34px;
  background: var(--paper);
}

.seo-intent h2 {
  margin-bottom: 16px;
  font-size: 23px;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.keyword-list li {
  padding: 8px 11px;
  color: var(--green-dark);
  background: #e8f7f2;
  border: 1px solid rgba(15, 118, 95, 0.16);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
}

.speech-card {
  position: relative;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 12px;
}

.speech-card::before {
  content: "";
  position: absolute;
  top: -11px;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--white);
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
  transform: translateX(-50%) rotate(45deg);
}

.speech-card img {
  width: 86px;
  height: 86px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}

.speech-card h2 {
  margin-bottom: 8px;
  font-size: 20px;
}

.speech-card p {
  margin-bottom: 0;
  line-height: 1.65;
}

.yellow-band,
.howto {
  position: relative;
  padding: 64px 24px 56px;
  text-align: center;
}

.yellow-band {
  background: var(--yellow);
}

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

.scallop {
  position: absolute;
  left: 0;
  right: 0;
  height: 28px;
  background-size: 38px 28px;
}

.scallop.top {
  top: -1px;
  background-image: radial-gradient(circle at 19px 28px, var(--paper) 18px, transparent 19px);
}

.scallop.cream {
  background-image: radial-gradient(circle at 19px 28px, var(--paper) 18px, transparent 19px);
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 18px;
  color: var(--white);
  background: var(--green);
  border-radius: 6px;
  font-size: 15px;
}

.pill.green {
  background: var(--green-dark);
}

.yellow-band h2,
.howto h2 {
  margin: 0 auto 24px;
  max-width: 350px;
  font-size: 25px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.check-list li {
  position: relative;
  padding: 16px 16px 16px 42px;
  background: rgba(255, 255, 255, 0.72);
  border: 2px solid rgba(42, 33, 28, 0.08);
  border-radius: 12px;
  font-weight: 800;
  line-height: 1.65;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 21px;
  width: 14px;
  height: 9px;
  border-left: 3px solid var(--green-dark);
  border-bottom: 3px solid var(--green-dark);
  transform: rotate(-45deg);
}

.feature,
.product,
.faq {
  padding: 54px 24px;
  background: var(--paper);
}

.feature.mint {
  background: #e5f6f0;
}

.feature img {
  width: 100%;
  margin: 18px 0 20px;
  aspect-ratio: 1;
  object-fit: cover;
  border: 8px solid var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature p {
  margin-bottom: 0;
}

.steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  background: var(--white);
  border: 2px solid rgba(15, 118, 95, 0.18);
  border-radius: 12px;
}

.steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--green-dark);
  border-radius: 50%;
  font-weight: 900;
}

.steps p {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.6;
}

.product-card {
  overflow: hidden;
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.product-body {
  padding: 20px;
}

.price-note {
  margin-bottom: 10px;
  color: var(--rose);
  font-weight: 900;
}

.primary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  color: var(--white);
  background: var(--rose);
  border-radius: 8px;
  font-weight: 900;
  text-align: center;
}

.primary-button {
  margin-top: 18px;
}

.faq {
  padding-bottom: 96px;
}

.faq + .seo-intent {
  padding-top: 8px;
}

.faq:has(+ .seo-intent) {
  padding-bottom: 24px;
}

details {
  border-top: 1px solid var(--line);
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  padding: 20px 0;
  font-weight: 900;
  line-height: 1.5;
}

details p {
  margin-bottom: 20px;
}

.footer {
  padding: 28px 22px;
  color: rgba(255, 255, 255, 0.76);
  background: var(--ink);
  font-size: 12px;
  text-align: center;
}

.footer p {
  margin: 0;
}

.footer p + p {
  margin-top: 6px;
}

@media (min-width: 720px) {
  .phone-page {
    margin-top: 24px;
    margin-bottom: 24px;
    border-radius: 18px;
  }

  .topbar {
    border-radius: 18px 18px 0 0;
  }
}

@media (max-width: 380px) {
  .brand {
    font-size: 19px;
  }

  .hero-art,
  .hero-bg {
    height: 480px;
    min-height: 480px;
  }

  .cloud-title {
    width: 282px;
  }

  h1 {
    font-size: 35px;
  }

  h2 {
    font-size: 25px;
  }
}

/* ===== Article / Blog / Guides ===== */
.article-page {
  padding-bottom: 32px;
}
.article-page .topbar {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 16px;
  min-height: 56px;
}
.article-page .topbar .brand {
  font-size: 15px;
  line-height: 1.4;
  text-align: center;
  white-space: normal;
}
.breadcrumb-nav {
  padding: 14px 22px 0;
  font-size: 12px;
  color: var(--muted);
}
.breadcrumb-nav a {
  color: var(--green-dark);
  text-decoration: underline;
}
.article {
  padding: 18px 22px 28px;
}
.article h1 {
  font-size: 24px;
  line-height: 1.5;
  margin: 12px 0 10px;
}
.article-meta {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 18px;
}
.article-body h2 {
  margin: 30px 0 12px;
  font-size: 20px;
  padding-left: 10px;
  border-left: 5px solid var(--green);
}
.article-body h3 {
  margin: 22px 0 8px;
  font-size: 16px;
}
.article-body p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  margin: 0 0 14px;
}
.article-body ul,
.article-body ol {
  padding-left: 22px;
  margin: 0 0 16px;
}
.article-body li {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 6px;
}
.article-body img {
  width: 100%;
  border-radius: 12px;
  margin: 14px 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 18px;
  font-size: 13px;
}
.article-body th,
.article-body td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.article-body th {
  background: var(--cream);
}
.article-body blockquote {
  margin: 14px 0;
  padding: 12px 16px;
  background: var(--cream);
  border-left: 4px solid var(--green);
  font-size: 14px;
  color: var(--ink);
}
.article-cta {
  margin: 28px 0 20px;
  padding: 22px 18px;
  background: var(--cream);
  border: 2px solid var(--ink);
  border-radius: 14px;
  text-align: center;
}
.article-cta h2 {
  margin: 0 0 10px;
  font-size: 18px;
}
.article-cta p {
  font-size: 14px;
  margin: 0 0 14px;
  color: var(--muted);
}
.related {
  margin-top: 30px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.related h2 {
  margin: 0 0 12px;
  font-size: 16px;
}
.related ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.related li {
  margin-bottom: 8px;
  font-size: 14px;
}
.related a {
  color: var(--green-dark);
  text-decoration: underline;
}
.post-list {
  padding: 18px 22px 28px;
}
.post-card {
  display: block;
  padding: 16px;
  margin-bottom: 14px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 12px;
}
.post-card h2 {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.5;
}
.post-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}
.lp-nav {
  display: flex;
  gap: 10px;
  padding: 14px 22px 0;
  flex-wrap: wrap;
}
.lp-nav a {
  font-size: 13px;
  padding: 6px 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
}
