* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fafaf8;
  --color-bg-alt: #f2efe8;
  --color-text: #1a1a1a;
  --color-accent: #0f1f3d;
  --color-gold: #c8a951;
  --color-gold-light: #e8d89c;
  --color-red: #b83c2f;
  --font-sans: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-serif: "Noto Serif JP", serif;
  --lp-width: 941px;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #f5f5f2;
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

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

.lp {
  min-height: 100vh;
}

.lp__frame {
  width: min(100%, var(--lp-width));
  margin: 0 auto;
  background: #fff;
  overflow: hidden;
}

.lp__section,
.lp__html-section {
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.lp__section {
  line-height: 0;
}

.lp__html-section {
  line-height: 1.9;
}

.lp__image,
.lp__image--natural {
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.lp__section--natural,
.lp__section--cta {
  background: #fff;
}

.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 20px clamp(16px, 6vw, 72px);
  color: inherit;
  text-decoration: none;
  line-height: 1.5;
  cursor: pointer;
  gap: 16px;
}

.cta__background {
  display: none;
}

.cta__button {
  display: block;
  width: 100%;
  height: auto;
  max-width: 959px;
}

.cta__text {
  text-align: center;
  padding: 12px 12px 8px;
  color: #666;
  width: 100%;
  max-width: 959px;
}

.cta__period,
.cta__offer {
  display: block;
}

.cta__period {
  font-size: clamp(16px, 3.2vw, 28px);
}

.cta__offer {
  font-size: clamp(17px, 3.5vw, 32px);
}

.cta__note {
  display: block;
  margin-top: 12px;
  color: #333;
  font-size: clamp(11px, 1.8vw, 17px);
  font-weight: 700;
}

.cta:hover .cta__button,
.cta:focus-visible .cta__button {
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.cta:focus-visible {
  outline: 3px solid #14a100;
  outline-offset: -6px;
}

.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 28px;
}

.section__title {
  margin: 0 0 42px;
  color: var(--color-accent);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.5;
}

.section__title--center {
  text-align: center;
}

.chain {
  background: #11111e;
}

.chain-collage {
  position: relative;
  width: 100%;
  aspect-ratio: 1024 / 867;
  background: #151626;
  overflow: hidden;
}

.chain-collage::before {
  content: "今、この瞬間にも、閃きが溢れている。";
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 50;
  width: min(88%, 720px);
  transform: translate(-50%, -50%);
  padding: 24px 60px;
  border-top: 1px solid rgba(200, 169, 81, 0.6);
  border-bottom: 1px solid rgba(200, 169, 81, 0.6);
  background: rgba(15, 31, 61, 0.62);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 2rem;
  line-height: 1.5;
  text-align: center;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}

.chain-collage::after {
  content: "Right now, and every single moment.";
  position: absolute;
  top: calc(50% + 76px);
  left: 50%;
  z-index: 50;
  width: 90%;
  transform: translateX(-50%);
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.4;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

.chain-collage__inner {
  position: absolute;
  inset: 0;
}

.chain-collage__tile {
  position: absolute;
  overflow: hidden;
  padding: 4px;
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35), 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.chain-collage__tile:hover {
  z-index: 60 !important;
  transform: scale(1.08) rotate(0deg) !important;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.chain-collage__tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.chain-collage__tile-date {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 5;
  padding: 3px 8px;
  border-radius: 2px;
  background: rgba(15, 31, 61, 0.95);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.chain-collage__tile-date--gold {
  background: rgba(200, 169, 81, 0.98);
  color: #151626;
}

.chain-collage__tile-1 { top: -3.5%; left: -2%; width: 31.3%; height: 36.9%; transform: rotate(-5deg); z-index: 3; }
.chain-collage__tile-2 { top: -2.4%; left: 16%; width: 28.3%; height: 41.5%; transform: rotate(3deg); z-index: 5; }
.chain-collage__tile-3 { top: -4.6%; left: 32%; width: 33.2%; height: 32.3%; transform: rotate(-2deg); z-index: 4; }
.chain-collage__tile-4 { top: -3.5%; left: 50%; width: 30.3%; height: 39.2%; transform: rotate(4deg); z-index: 6; }
.chain-collage__tile-5 { top: -2.4%; left: 67%; width: 31.3%; height: 34.6%; transform: rotate(-3deg); z-index: 5; }
.chain-collage__tile-6 { top: -4.6%; left: 84%; width: 29.3%; height: 41.5%; transform: rotate(5deg); z-index: 4; }
.chain-collage__tile-7 { top: 27.7%; left: -3%; width: 29.3%; height: 36.9%; transform: rotate(4deg); z-index: 7; }
.chain-collage__tile-8 { top: 30%; left: 22%; width: 32.2%; height: 32.3%; transform: rotate(-4deg); z-index: 8; }
.chain-collage__tile-9 { top: 28.8%; left: 56%; width: 31.3%; height: 36.9%; transform: rotate(3deg); z-index: 7; }
.chain-collage__tile-10 { top: 27.7%; left: 82%; width: 30.3%; height: 39.2%; transform: rotate(-5deg); z-index: 6; }
.chain-collage__tile-11 { top: 58.8%; left: -2%; width: 30.3%; height: 36.9%; transform: rotate(-3deg); z-index: 9; }
.chain-collage__tile-12 { top: 61.1%; left: 18%; width: 28.3%; height: 34.6%; transform: rotate(5deg); z-index: 10; }
.chain-collage__tile-13 { top: 57.7%; left: 38%; width: 33.2%; height: 36.9%; transform: rotate(-4deg); z-index: 9; }
.chain-collage__tile-14 { top: 60%; left: 62%; width: 30.3%; height: 34.6%; transform: rotate(3deg); z-index: 10; }
.chain-collage__tile-15 { top: 58.8%; left: 82%; width: 31.3%; height: 36.9%; transform: rotate(-2deg); z-index: 9; }

.coach-case {
  width: 100%;
  padding: 32px 0 96px;
  background: #fff;
}

.coach-case__inner {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.real-dialogue--embed {
  width: 100%;
  padding: 56px 0 42px;
  border-top: 1px solid #e8ddc3;
  border-bottom: 1px solid #e8ddc3;
  background: linear-gradient(180deg, #fafaf6 0%, var(--color-bg-alt) 100%);
}

.real-dialogue__head {
  max-width: 760px;
  margin: 0 auto 28px;
  padding: 0 24px;
  text-align: center;
}

.real-dialogue__eyebrow {
  display: inline-block;
  margin: 0 0 24px;
  color: #8e7440;
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.5;
}

.real-dialogue__lead-bigline {
  max-width: 760px;
  margin: 0 auto 22px;
  color: var(--color-accent);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.7;
}

.real-dialogue__lead-em {
  display: inline;
  padding: 0 6px;
  background: linear-gradient(180deg, transparent 60%, #aaff5c 60%);
  font-weight: 900;
}

.real-dialogue__title {
  margin: 0 0 18px;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.55;
}

.real-dialogue__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
  max-width: 760px;
  margin: 18px auto 0;
  color: #6b6b6b;
  font-size: 0.82rem;
  line-height: 1.6;
}

.chat {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 760px;
  margin: 38px auto 0;
  padding: 0 24px;
  text-align: left;
}

.chat-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.chat-row--ai {
  justify-content: flex-start;
}

.chat-row--user {
  justify-content: flex-end;
}

.chat-avatar {
  display: grid;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1;
}

.chat-avatar--user {
  background: var(--color-gold);
  color: var(--color-accent);
}

.bubble {
  max-width: min(100%, 640px);
  padding: 24px;
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1.9;
  box-shadow: 0 12px 30px rgba(11, 27, 61, 0.08);
}

.bubble p {
  margin: 0 0 1em;
}

.bubble p:last-child {
  margin-bottom: 0;
}

.bubble h3,
.bubble h4 {
  margin: 14px 0 16px;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.6;
}

.bubble--ai {
  border: 1px solid #e8ddc3;
  background: #fff;
  color: #1a1a1a;
}

.bubble--user {
  background: var(--color-accent);
  color: #fff;
}

.bubble__role {
  color: #8e7440;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1.6;
}

.bubble--user .bubble__role {
  color: var(--color-gold-light);
}

.bubble__theme-tag,
.key-line {
  display: inline;
  font-weight: 900;
}

.bubble__theme-tag {
  color: #18830c;
}

.key-line {
  color: var(--color-accent);
  background: linear-gradient(180deg, transparent 62%, #aaff5c 62%);
}

.bubble--user .key-line {
  color: #fff;
}

.accent-line {
  color: var(--color-red);
  font-weight: 900;
}

.click-hint {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0 22px;
  padding: 18px 20px;
  border: 2px solid #f2b84b;
  border-radius: 8px;
  background: linear-gradient(135deg, #fff9e8 0%, #fff 100%);
  box-shadow: 0 14px 32px rgba(242, 184, 75, 0.22);
}

.click-hint--xl {
  margin-top: 26px;
}

.click-hint__finger-wrap {
  display: grid;
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  box-shadow: inset 0 0 0 2px rgba(242, 184, 75, 0.45), 0 6px 16px rgba(15, 31, 61, 0.12);
}

.click-hint__finger {
  font-size: 2.1rem;
  line-height: 1;
}

.click-hint__text {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.click-hint__badge {
  width: fit-content;
  padding: 3px 10px;
  border-radius: 999px;
  background: #f2b84b;
  color: #4a2c00;
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1.3;
}

.click-hint__main {
  color: var(--color-accent);
  font-size: 1.08rem;
  line-height: 1.5;
}

.click-hint__sub {
  color: #444;
  font-size: 0.88rem;
  line-height: 1.75;
}

.click-hint__pulse {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ff5151;
  box-shadow: 0 0 0 7px rgba(255, 81, 81, 0.18);
}

.email-card {
  overflow: hidden;
  margin: 12px 0;
  border: 1px solid #e7dcc4;
  border-radius: 8px;
  background: #fff;
}

.email-card--highlight {
  border-color: #f2b84b;
  box-shadow: 0 10px 24px rgba(242, 184, 75, 0.16);
}

.email-card summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  color: var(--color-accent);
  font-size: 0.92rem;
  font-weight: 900;
  line-height: 1.55;
  list-style: none;
  cursor: pointer;
}

.email-card summary::-webkit-details-marker {
  display: none;
}

.email-card summary::after {
  content: "開く";
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 999px;
  background: #f6efe0;
  color: #8e7440;
  font-size: 0.68rem;
  font-weight: 800;
  white-space: nowrap;
}

.email-card[open] summary::after {
  content: "閉じる";
}

.email-card__icon {
  display: inline-grid;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: #f6efe0;
  font-size: 0.9rem;
}

.email-card__body {
  padding: 0 16px 16px;
  color: #222;
}

.email-card__subject {
  margin-bottom: 10px !important;
  color: #8e7440;
  font-size: 0.86rem;
  font-weight: 800;
}

.email-card__body pre {
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  padding: 14px;
  border-radius: 6px;
  background: #faf7f0;
  color: #222;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  line-height: 1.85;
}

.rename-list {
  margin: 20px 0;
  padding: 18px 20px;
  border-radius: 8px;
  background: #f7f2e8;
}

.rename-list p {
  margin-bottom: 10px;
  color: #6f5a2d;
  font-weight: 800;
}

.rename-list ul {
  display: grid;
  gap: 6px;
  padding-left: 1.25em;
}

.rename-list li {
  line-height: 1.65;
}

.real-dialogue__close {
  max-width: 760px;
  margin: 36px auto 0;
  padding: 0 24px;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 2;
  text-align: center;
}

.em-gold {
  color: #8e7440;
}

.faq {
  width: 100%;
  padding: 86px 0 96px;
  background: #fafaf8;
}

.faq__list {
  display: grid;
  gap: 14px;
  text-align: left;
}

.faq-item {
  border: 1px solid #e4dcc8;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(11, 27, 61, 0.05);
}

.faq-item__question {
  position: relative;
  padding: 20px 54px 20px 22px;
  color: var(--color-accent);
  font-weight: 800;
  line-height: 1.7;
  list-style: none;
  cursor: pointer;
}

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

.faq-item__question::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 22px;
  transform: translateY(-50%);
  color: #18830c;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}

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

.faq-item__answer {
  padding: 0 22px 22px;
  color: #333;
  line-height: 1.9;
}

.site-footer {
  padding: 28px 20px;
  background: var(--color-accent);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
}

.site-footer__links a {
  color: #fff;
  font-size: 0.82rem;
  line-height: 1.6;
  text-underline-offset: 4px;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: var(--color-gold-light);
}

@media (max-width: 720px) {
  body {
    background: #fff;
  }

  .container {
    padding: 0 18px;
  }

  .section__title {
    font-size: 1.6rem;
  }

  .chain-collage::before {
    padding: 12px 18px;
    font-size: 1.05rem;
  }

  .chain-collage::after {
    top: calc(50% + 48px);
    font-size: 0.68rem;
  }

  .chain-collage__tile {
    padding: 2px;
  }

  .chain-collage__tile-date {
    top: 4px;
    right: 4px;
    font-size: 0.5rem;
  }

  .coach-case {
    padding: 22px 0 64px;
  }

  .real-dialogue--embed {
    padding: 42px 0 30px;
  }

  .real-dialogue__lead-bigline {
    font-size: 1.08rem;
  }

  .real-dialogue__title {
    font-size: 1.45rem;
  }

  .chat {
    padding: 0 14px;
  }

  .chat-row {
    gap: 8px;
  }

  .chat-avatar {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    font-size: 0.66rem;
  }

  .bubble {
    padding: 18px;
    font-size: 0.92rem;
  }

  .bubble h3,
  .bubble h4 {
    font-size: 1.1rem;
  }

  .click-hint {
    gap: 10px;
    padding: 12px 14px;
  }

  .click-hint__finger-wrap {
    flex-basis: 52px;
    width: 52px;
    height: 52px;
  }

  .click-hint__finger {
    font-size: 1.9rem;
  }

  .click-hint__main {
    font-size: 0.98rem;
  }

  .click-hint__sub,
  .email-card__body,
  .email-card__body pre {
    font-size: 0.84rem;
  }

  .email-card summary {
    padding: 11px 12px;
    font-size: 0.82rem;
  }

  .real-dialogue__close {
    font-size: 0.95rem;
  }

  .faq {
    padding: 64px 0 72px;
  }

  .faq-item__question {
    padding: 18px 46px 18px 18px;
  }

  .faq-item__question::after {
    right: 18px;
  }

  .cta:hover .cta__button,
  .cta:focus-visible .cta__button {
    transform: none;
  }
}