/* ========================================
   すりむに LP - シンプル・わかりやすさ重視
   ======================================== */

:root {
  --color-primary: #e07a3a;
  --color-primary-dark: #c4652a;
  --color-primary-light: #fef4ec;
  --color-brand: #ff5700;
  --color-brand-dark: #e04e00;
  --color-brand-light: #fff0e6;
  --color-text: #333;
  --color-text-muted: #666;
  --color-bg: #fff;
  --color-bg-gray: #faf7f4;
  --color-border: #ede8e3;
  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.08);
  --container: 960px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  /* 禁則処理を強め、句読点の直前などで不自然な改行を抑える */
  line-break: strict;
  overflow-wrap: anywhere;
}

/*
 * 末尾に1〜2文字だけ残る改行（追い込み不足）をできるだけ減らす。
 * pretty: 段落向け / balance: 見出し向け
 * auto-phrase: 対応ブラウザでは文節単位で折り返す
 */
main p,
main li,
main dd,
main dt,
main summary,
.hero__desc,
.hero__label,
.section__lead,
.cta__desc,
.trust-card__desc,
.feature-card__highlight,
.feature-card__list li,
.faq-item__answer p,
.demand-survey__lead,
.demand-survey__legend li,
.demand-survey__meta-item dd,
.problem-card__desc,
.register-intro__desc {
  text-wrap: pretty;
  word-break: auto-phrase;
}

main h1,
main h2,
main h3,
main h4,
.hero__title,
.section__title,
.cta__title,
.feature-card__title,
.trust-card__title,
.problem-card__title,
.faq-item__question,
.register-intro__title {
  text-wrap: balance;
  word-break: auto-phrase;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  height: auto;
  padding: 10px 0;
}

.header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 12px;
  min-width: 0;
}

.header__links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 12px;
}

.header__link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}

.header__link:hover {
  color: var(--color-brand);
}

.header__cta {
  flex-shrink: 0;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .header__inner {
    min-height: 52px;
    padding: 10px 0;
    gap: 8px 12px;
  }

  .logo {
    font-size: 1.25rem;
    gap: 6px;
  }

  .logo__mark {
    width: 28px;
    height: 28px;
  }

  .header__actions {
    gap: 8px 12px;
  }

  .header__links {
    gap: 12px;
  }

  .header__link {
    font-size: 0.75rem;
  }

  .header__cta {
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  /* ロゴ＋CTA＋補助リンクがあるトップは2段構成 */
  .header__inner:has(.header__cta) {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "logo cta"
      "links links";
    align-items: center;
  }

  .header__inner:has(.header__cta) .logo {
    grid-area: logo;
  }

  .header__inner:has(.header__cta) .header__actions {
    display: contents;
  }

  .header__inner:has(.header__cta) .header__links {
    grid-area: links;
    justify-content: flex-end;
    padding-top: 2px;
  }

  .header__inner:has(.header__cta) .header__cta {
    grid-area: cta;
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-brand);
  text-decoration: none;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.logo__mark {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn--primary {
  background: var(--color-brand);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-brand-dark);
}

.btn--outline {
  background: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}

.btn--outline:hover {
  background: var(--color-brand-light);
}

.btn--sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn__note {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
}

/* Hero */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

@media (min-width: 768px) {
  .hero__inner {
    flex-direction: row;
    align-items: center;
    text-align: left;
    gap: 48px;
  }

  .hero__content {
    flex: 1;
  }

  .hero__visual {
    flex: 0 0 42%;
    max-width: 420px;
  }

  .hero__desc {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__actions {
    justify-content: flex-start;
  }
}

.hero__content {
  text-align: center;
}

.hero__visual {
  margin: 0;
  width: 100%;
  max-width: 400px;
}

/* Illustrations */
.illust {
  display: block;
  width: 100%;
  height: auto;
}

.illust--irasutoya {
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

.illust--card {
  max-width: 180px;
  max-height: 140px;
  width: auto;
  object-fit: contain;
}

.hero__visual .illust--irasutoya {
  max-width: 400px;
}

.section-visual--sm .illust--irasutoya {
  max-width: 220px;
}

.trust__visual .illust--irasutoya {
  max-width: 200px;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.section-visual {
  margin: 0 auto 24px;
  text-align: center;
}

.section-visual--sm {
  max-width: 200px;
}

.feature-card__visual {
  margin: -8px -8px 16px;
  text-align: center;
}

.trust__inner {
  text-align: center;
}

.trust__visual {
  margin: 0 auto 24px;
  max-width: 180px;
}

.hero__brand {
  display: inline-block;
  margin: 0 0 12px;
  font-size: clamp(2.5rem, 9vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.14em;
  color: var(--color-brand);
}

.hero__brand::after {
  content: "";
  display: block;
  width: 100%;
  height: 4px;
  margin: 12px auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-brand) 0%, #ff8533 100%);
}

@media (min-width: 768px) {
  .hero__brand {
    text-align: left;
  }

  .hero__brand::after {
    margin-left: 0;
    margin-right: auto;
  }
}

.hero__label {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  background: #fff;
  border-radius: 100px;
  box-shadow: var(--shadow);
}

.hero__title {
  margin: 0 0 24px;
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

@media (max-width: 767px) {
  .hero__title {
    font-size: 1.1  rem;
    line-height: 1.65;
    letter-spacing: 0;
    margin-bottom: 20px;
  }
}

.hero__highlight {
  color: var(--color-primary);
}

.brand-name {
  display: inline-block;
  font-size: 1.35em;
  font-weight: 700;
  color: var(--color-brand);
  letter-spacing: 0.08em;
  line-height: 1.2;
  background: linear-gradient(transparent 58%, rgba(255, 87, 0, 0.18) 58%);
  padding: 0 4px;
}

@media (max-width: 767px) {
  .brand-name {
    font-size: 1.25em;
    letter-spacing: 0.06em;
  }
}

.hero__desc {
  margin: 0 auto 40px;
  max-width: 560px;
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

@media (max-width: 767px) {
  .hero__desc {
    font-size: 0.90rem;
    line-height: 1.65;
    letter-spacing: 0;
    margin-bottom: 20px;
  }
}


.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* Demo movies (below hero) */
.demo-movies {
  padding: 40px 0 64px;
  background: var(--color-bg);
}

.demo-movies .container {
  max-width: 1200px;
}

.demo-movies__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

@media (min-width: 768px) {
  .demo-movies__grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

.demo-movies__item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.demo-movies__video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #000;
}

/* Demand survey (from research slide) */
.demand-survey {
  padding: 56px 0 72px;
  background: var(--color-bg-gray);
}

.demand-survey__container {
  max-width: 1200px;
}

.demand-survey__label {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-brand);
}

.demand-survey__lead {
  margin-bottom: 20px;
}

.demand-survey__meta {
  margin: 0 auto 28px;
  padding: 16px 18px;
  max-width: 920px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: grid;
  gap: 10px;
}

.demand-survey__meta-item {
  display: grid;
  gap: 2px;
}

@media (min-width: 768px) {
  .demand-survey__meta-item {
    grid-template-columns: 7.5em 1fr;
    gap: 12px;
    align-items: start;
  }
}

.demand-survey__meta dt {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-brand-dark);
}

.demand-survey__meta dd {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.demand-survey__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.demand-survey__table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  font-size: 0.85rem;
  line-height: 1.4;
}

.demand-survey__table th,
.demand-survey__table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  vertical-align: middle;
}

.demand-survey__table thead th {
  background: #fff7f0;
  color: var(--color-text);
  font-weight: 700;
  white-space: nowrap;
}

.demand-survey__th-service {
  min-width: 220px;
}

.demand-survey__th-top2,
.demand-survey__top2 {
  background: #fff0e6;
  color: var(--color-brand-dark);
}

.demand-survey__service {
  text-align: left !important;
  font-weight: 500;
  color: var(--color-text);
  max-width: 280px;
}

.demand-survey__table tbody tr:last-child th,
.demand-survey__table tbody tr:last-child td {
  border-bottom: none;
}

.demand-survey__charts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .demand-survey__charts {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

.demand-survey__chart-card {
  margin: 0;
  padding: 24px 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.demand-survey__chart-title {
  margin: 0 0 20px;
  font-size: 0.90rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
}

.demand-survey__chart-note {
  display: block;
  margin-top: 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-brand);
}

.demand-survey__pie {
  width: min(220px, 70vw);
  aspect-ratio: 1;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--pie);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.demand-survey__legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  text-align: left;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.demand-survey__legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.demand-survey__swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

.store-benefit-survey {
  margin: 40px 0 8px;
  padding: 32px 24px;
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.store-benefit-survey__title {
  margin: 0 0 12px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
}

.store-benefit-survey__lead {
  margin: 0 0 24px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (min-width: 960px) {
  .demand-survey__charts--3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* Sections */
.section {
  padding: 80px 0;
}

.section--gray {
  background: var(--color-bg-gray);
}

.section--accent {
  background: var(--color-primary);
  color: #fff;
}

.section__title {
  margin: 0 0 16px;
  font-size: clamp(1.0rem, 4vw, 1.875rem);
  font-weight: 700;
  text-align: center;
}

.section__title--light {
  color: #fff;
}

.section__lead {
  margin: 0 0 48px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.80rem;
}

/* Problem */
.problem-section__label {
  margin: 0 0 12px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.problem-title-accent {
  color: var(--color-primary-dark);
  background: linear-gradient(transparent 62%, rgba(224, 122, 58, 0.22) 62%);
  padding: 0 4px;
}

.problem-lead {
  max-width: 640px;
  margin: 16px auto 0;
  text-align: center;
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.problem-lead__emphasis {
  color: var(--color-text);
  font-weight: 700;
}

.problem-list {
  display: grid;
  gap: 24px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .problem-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .problem-card--wide {
    grid-column: 1 / -1;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
  }
}

.problem-card {
  position: relative;
  padding: 28px 24px 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  text-align: left;
  overflow: hidden;
}

.problem-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
}

.problem-card--01::before {
  background: linear-gradient(90deg, #e07a3a 0%, #f0a060 100%);
}

.problem-card--02::before {
  background: linear-gradient(90deg, #d95f4a 0%, #e88a5a 100%);
}

.problem-card--03::before {
  background: linear-gradient(90deg, #c4652a 0%, #e07a3a 100%);
}

.problem-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.problem-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.problem-card--02 .problem-card__num {
  background: #fdeee9;
  color: #c94f3a;
}

.problem-card--03 .problem-card__num {
  background: #fce8d8;
  color: #a85620;
}

.problem-card__tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.problem-card--02 .problem-card__tag {
  background: #fdeee9;
  color: #c94f3a;
}

.problem-card--03 .problem-card__tag {
  background: #fce8d8;
  color: #a85620;
}

.problem-card__icon {
  display: block;
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.problem-card__title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--color-text);
}

.problem-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.problem-card__list li {
  position: relative;
  padding-left: 1.1em;
}

.problem-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.problem-card--02 .problem-card__list li::before {
  background: #d95f4a;
}

.problem-card--03 .problem-card__list li::before {
  background: #c4652a;
}

.problem-card__list li + li {
  margin-top: 10px;
}

.problem-summary {
  position: relative;
  margin: 48px auto 0;
  padding: 32px 32px 28px;
  max-width: 720px;
  background: linear-gradient(135deg, #fff 0%, var(--color-primary-light) 100%);
  border: 1px solid rgba(224, 122, 58, 0.25);
  border-left: 5px solid var(--color-primary);
  border-radius: 0 calc(var(--radius) + 2px) calc(var(--radius) + 2px) 0;
  box-shadow: var(--shadow-lg);
}

.problem-summary::before {
  content: "”";
  position: absolute;
  top: 8px;
  right: 20px;
  font-size: 3rem;
  line-height: 1;
  color: rgba(224, 122, 58, 0.18);
  font-family: Georgia, serif;
}

.problem-summary__label {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary-dark);
}

.problem-summary p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.problem-summary p + p {
  margin-top: 12px;
}

.problem-summary strong {
  color: var(--color-text);
  font-size: 1rem;
}

/* Empathy */
.empathy__inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.empathy__text {
  margin: 32px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.9;
}

.empathy__text strong {
  color: var(--color-text);
}

/* Features */
.solution-section__label {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.solution-title-accent {
  color: var(--color-brand);
  background: linear-gradient(transparent 62%, rgba(255, 87, 0, 0.18) 62%);
  padding: 0 4px;
}

.solution-lead {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.solution-lead__emphasis {
  color: var(--color-text);
  font-weight: 700;
}

.feature-grid {
  display: grid;
  gap: 20px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card--wide {
    grid-column: 1 / -1;
    max-width: 720px;
    margin: 0 auto;
    width: 100%;
  }
}

.feature-card {
  position: relative;
  padding: 28px 24px 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
}

.feature-card--01::before {
  background: linear-gradient(90deg, #e07a3a 0%, #f0a060 100%);
}

.feature-card--02::before {
  background: linear-gradient(90deg, #d95f4a 0%, #e88a5a 100%);
}

.feature-card--03::before {
  background: linear-gradient(90deg, #c4652a 0%, #e07a3a 100%);
}

.feature-card:hover {
  border-color: rgba(224, 122, 58, 0.45);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.feature-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.feature-card--02 .feature-card__num {
  background: #fdeee9;
  color: #c94f3a;
}

.feature-card--03 .feature-card__num {
  background: #fce8d8;
  color: #a85620;
}

.feature-card__tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.feature-card--02 .feature-card__tag {
  background: #fdeee9;
  color: #c94f3a;
}

.feature-card--03 .feature-card__tag {
  background: #fce8d8;
  color: #a85620;
}

.feature-card__title {
  margin: 0 0 10px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
}

.feature-card__highlight {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  background: var(--color-brand);
  border-radius: 100px;
}

.feature-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-card__list li {
  position: relative;
  padding-left: 1.1em;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.feature-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.feature-card--02 .feature-card__list li::before {
  background: #d95f4a;
}

.feature-card--03 .feature-card__list li::before {
  background: #c4652a;
}

.feature-card__list li + li {
  margin-top: 10px;
}

.feature-card__desc {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.feature-card__voice {
  margin: 16px 0 0;
  padding: 12px 16px;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-text);
  background: var(--color-primary-light);
  border-radius: var(--radius);
  line-height: 1.6;
}

.feature-closing {
  position: relative;
  margin: 48px auto 0;
  padding: 32px 32px 28px;
  max-width: 720px;
  background: linear-gradient(135deg, #fff 0%, var(--color-primary-light) 100%);
  border: 1px solid rgba(224, 122, 58, 0.25);
  border-left: 5px solid var(--color-primary);
  border-radius: 0 calc(var(--radius) + 2px) calc(var(--radius) + 2px) 0;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.feature-closing::before {
  content: "💡";
  position: absolute;
  top: 12px;
  right: 20px;
  font-size: 1.5rem;
  opacity: 0.35;
}

.feature-closing__label {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary-dark);
}

.feature-closing__text {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.feature-closing__text strong {
  color: var(--color-text);
  font-size: 1rem;
}

.feature-closing__actions {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

/* Benefits */
.benefits-section__label {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.benefits-list {
  display: grid;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.benefit-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
}

.benefit-card--highlight {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.benefit-card__num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 700;
}

.benefit-card--highlight .benefit-card__num {
  background: #fff;
}

.benefit-card__text {
  margin: 8px 0 0;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.7;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .benefits-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .benefit-card--highlight {
    grid-column: 1 / -1;
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
    justify-self: center;
  }
}

/* Compare table */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.compare-wrap {
  max-width: 720px;
  margin: 0 auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.compare-table th,
.compare-table td {
  padding: 16px 12px;
  text-align: center;
  border: 1px solid var(--color-border);
}

.compare-table__corner {
  width: 28%;
  background: var(--color-bg-gray);
  border: none;
}

.compare-table__col {
  font-size: 0.9rem;
  font-weight: 700;
  background: var(--color-bg-gray);
}

.compare-table__col--highlight {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.compare-table__row {
  font-size: 0.9rem;
  font-weight: 700;
  text-align: left;
  background: var(--color-bg-gray);
  padding-left: 16px;
}

.compare-table__cell--highlight {
  background: var(--color-primary-light);
}

.compare-mark {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-muted);
}

.compare-mark--best {
  color: var(--color-primary);
  font-size: 1.4rem;
}

.compare-mark--mid {
  color: #b8860b;
}

.compare-mark--worst {
  color: #c44;
}

.compare-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  margin: 20px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.compare-legend strong {
  color: var(--color-text);
}

/* Flow steps */
.flow-section__label {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.flow-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.flow-step {
  position: relative;
  width: 100%;
  max-width: 480px;
  padding: 24px 20px 28px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  text-align: center;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 56px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-shrink: 0;
  color: var(--color-primary);
}

.flow-arrow__icon {
  display: block;
  width: 44px;
  height: 44px;
  opacity: 0.65;
  transform: rotate(90deg);
}

.flow-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 0 8px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
}

.flow-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 4px var(--color-primary-light);
}

.flow-step__icon svg {
  display: block;
  width: 28px;
  height: 28px;
}

.flow-step__title {
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.5;
}

.flow-step__desc {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.flow-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}

@media (min-width: 900px) {
  .flow-steps {
    flex-direction: row;
    align-items: stretch;
    flex-wrap: nowrap;
  }

  .flow-step {
    flex: 1;
    min-width: 0;
    max-width: none;
    width: auto;
    padding: 28px 16px 24px;
  }

  .flow-arrow {
    width: 48px;
    height: auto;
    align-self: center;
    flex: 0 0 48px;
  }

  .flow-arrow__icon {
    width: 40px;
    height: 40px;
    transform: none;
  }

  .flow-actions {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

/* FAQ */
.faq-section__label {
  margin: 0 0 8px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid #ede8e3;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: '+';
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(224, 122, 58, 0.12);
  color: var(--color-primary);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

.faq-item[open] .faq-item__question::after {
  content: '−';
}

.faq-item__answer {
  padding: 0 20px 18px;
  border-top: 1px solid #f3efe9;
}

.faq-item__answer p {
  margin: 16px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* Trust (Pattern C) */
.trust-section {
  background: linear-gradient(180deg, #f0a060 0%, #fde8d4 38%, #fff 100%);
  color: var(--color-text);
}

.trust-section__sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.trust-section__inner {
  text-align: center;
}

.trust-section__title {
  margin: 0 0 40px;
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 700;
  color: var(--color-text);
}

.trust-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .trust-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-card--wide {
    grid-column: 1 / -1;
    max-width: 360px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (min-width: 1024px) {
  .trust-cards {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .trust-card--wide {
    grid-column: 2 / span 2;
  }
}

.trust-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 20px 24px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.trust-card__icon {
  margin-bottom: 16px;
}

.trust-card__icon-svg {
  display: block;
  width: 72px;
  height: 72px;
  margin: 0 auto;
  fill: none;
}

.trust-card__title {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-text);
}

.trust-card__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text);
}

/* Legacy trust styles (unused) */
.trust-list {
  display: grid;
  gap: 24px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .trust-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.trust-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.trust-item__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 1rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
}

.trust-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.trust-item p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.9;
  line-height: 1.6;
}

/* CTA */
.cta {
  background: var(--color-bg-gray);
}

.cta__inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta__title {
  margin: 0 0 16px;
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  font-weight: 700;
}

.cta__desc {
  margin: 0 0 32px;
  color: var(--color-text-muted);
  font-size: 1rem;
}

.cta__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.cta__note {
  margin: 24px 0 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Footer */
.footer {
  padding: 40px 0;
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
}

.footer__inner {
  text-align: center;
}

.footer__logo {
  margin: 0 0 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.footer__credit {
  margin: 0 0 8px;
  font-size: 0.8rem;
}

.footer__credit a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
}

.footer__copy {
  margin: 0;
  font-size: 0.8rem;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin: 0 0 12px;
  font-size: 0.85rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
}

.footer__links a:hover {
  color: #fff;
}

/* Back to top（AIチャット .ytk-btn の上に配置） */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 92px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-brand);
  color: #fff;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

body:has(.ytk-panel.open) .back-to-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.back-to-top:hover {
  background: var(--color-brand-dark);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

.back-to-top__icon {
  display: block;
  width: 22px;
  height: 22px;
}

@media (min-width: 768px) {
  .back-to-top {
    right: 28px;
    bottom: 96px;
    width: 52px;
    height: 52px;
  }

  .back-to-top__icon {
    width: 24px;
    height: 24px;
  }
}

/* Legal page */
.legal-page {
  max-width: 800px;
}

.legal-content {
  line-height: 1.9;
  color: var(--color-text);
}

.legal-content > p {
  margin: 0 0 24px;
}

.legal-content section {
  margin-bottom: 28px;
}

.legal-content h2 {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 1.05rem;
}

.legal-content p {
  margin: 0 0 12px;
  color: var(--color-text-muted);
}

.legal-content ul {
  margin: 0;
  padding-left: 1.4em;
  color: var(--color-text-muted);
}

.legal-content li + li {
  margin-top: 8px;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.legal-page__back {
  display: flex;
  justify-content: center;
  margin: 32px 0 0;
}

/* Store register */
.register-page {
  padding: 48px 0 72px;
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 240px);
}

.register-page__inner {
  max-width: 760px;
}

.register-intro {
  margin-bottom: 32px;
}

.register-intro__label {
  margin: 0 0 8px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.register-intro__title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.4;
}

.register-intro__desc {
  margin: 0;
  color: var(--color-text-muted);
}

.register-form {
  display: grid;
  gap: 24px;
}

.register-section {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
}

.register-section__title {
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  font-size: 1.125rem;
}

.register-field {
  margin-bottom: 16px;
}

.register-field:last-child {
  margin-bottom: 0;
}

.register-field--checkbox {
  margin-top: -4px;
  margin-bottom: 0;
}

.register-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.register-required {
  margin-left: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.register-optional {
  margin-left: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted, #6b7280);
}

.register-input {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.register-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(224, 122, 58, 0.15);
}

.register-input--textarea {
  resize: vertical;
  min-height: 96px;
}

.register-input--select {
  appearance: auto;
}

.register-grid {
  display: grid;
  gap: 16px;
}

.register-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.register-inline .register-input {
  flex: 1 1 180px;
}

.register-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  cursor: pointer;
}

.register-checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.register-checkbox a {
  color: var(--color-primary);
  text-decoration: underline;
}

.register-checkbox a:hover {
  color: var(--color-primary-dark);
}

.register-actions {
  display: flex;
  justify-content: center;
}

.register-hint {
  margin: 8px 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.register-hint--error {
  color: #c2410c;
}

.register-field-error {
  margin: 8px 0 0;
  font-size: 0.875rem;
  color: #c2410c;
}

.register-input--error {
  border-color: #f97316;
}

.register-input--error:focus {
  border-color: #f97316;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.register-status {
  margin-bottom: 24px;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.register-status--success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.register-status--error {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
}

.register-status--info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.register-status__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
}

.register-status__text {
  margin: 0 0 16px;
}

.hidden {
  display: none !important;
}

/* Confirm modal */
.register-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.register-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.45);
}

.register-modal__panel {
  position: relative;
  width: min(100%, 640px);
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: 0 20px 40px rgba(28, 25, 23, 0.18);
}

.register-modal__title {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.register-modal__desc {
  margin: 0 0 20px;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.register-confirm {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

.register-confirm__section-title {
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.register-confirm__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.register-confirm__row {
  display: grid;
  gap: 4px;
}

.register-confirm__label {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.register-confirm__value {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  word-break: break-word;
}

.register-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.register-modal__actions .btn {
  min-width: 140px;
}

#register-confirm-error {
  margin-bottom: 16px;
}

@media (min-width: 640px) {
  .register-confirm__row {
    grid-template-columns: 9rem 1fr;
    gap: 12px;
    align-items: start;
  }
}

@media (min-width: 640px) {
  .register-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}