:root {
  --black: #050505;
  --charcoal: #111111;
  --white: #ffffff;
  --warm: #f7f5ef;
  --gold: #c8a96a;
  --gold-soft: #eadbb8;
  --wine: #7a1e2c;
  --wine-bright: #9f2638;
  --marker: #fff1a8;
  --text: #171717;
  --muted: #6b7280;
}

* {
  box-sizing: border-box;
}

.site-back-link { position: fixed; z-index: 9999; left: 16px; bottom: 16px; padding: 10px 15px; color: #111; background: linear-gradient(105deg,#ddc489,#c8a96a); border-radius: 999px; box-shadow: 0 12px 28px rgba(200,169,106,.25); font-size: 12px; font-weight: 800; text-decoration: none; }
.google-form-frame { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; border: 0; }
.google-form-status { min-height: 1.7em; margin: 10px 0 0; color: var(--gold-soft); font-size: 13px; text-align: center; }
.google-form-submit:disabled { opacity: .65; cursor: wait; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  line-height: 1.5;
}

p {
  margin: 0 0 1.25rem;
  font-size: 1.03rem;
}

.section {
  padding: 84px 20px;
}

.section-inner {
  position: relative;
  width: min(100%, 890px);
  margin: 0 auto;
}

.hero-inner {
  position: relative;
  width: min(100%, 1000px);
  margin: 0 auto;
  z-index: 2;
}

.wide-inner {
  position: relative;
  width: min(100%, 1050px);
  margin: 0 auto;
}

.section-dark {
  color: var(--white);
  background:
    radial-gradient(circle at 78% 18%, rgba(200, 169, 106, 0.2), transparent 32%),
    linear-gradient(135deg, var(--black), var(--charcoal));
}

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

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

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(5, 5, 5, 0.12), rgba(17, 17, 17, 0.36)),
    url("assets/fv-hero-pc.png") center right / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 5, 5, 0.96), rgba(5, 5, 5, 0.72), rgba(5, 5, 5, 0.34));
}

.hero-bg-prompt {
  position: absolute;
  right: 28px;
  bottom: 28px;
  z-index: 3;
  width: min(420px, calc(100% - 56px));
  padding: 16px;
  border: 1px dashed rgba(200, 169, 106, 0.65);
  color: var(--gold-soft);
  background: rgba(0, 0, 0, 0.56);
  font-size: 0.78rem;
}

.hero-bg-prompt summary {
  padding: 0 24px 0 0;
  color: var(--gold);
  font-size: 0.78rem;
}

.hero-bg-prompt summary::after {
  right: 2px;
  color: var(--gold);
  font-size: 1rem;
}

.hero-bg-prompt p {
  margin: 10px 0 0;
  font-size: 0.76rem;
  line-height: 1.55;
}

.eyebrow {
  text-align: center;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  text-align: left;
}

.hero-copy {
  margin: 0 0 28px;
  font-size: clamp(3.05rem, 6.3vw, 5.65rem);
  line-height: 1.18;
  font-weight: 900;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

.lead {
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
  font-weight: 700;
}

h2 {
  margin: 0 auto 34px;
  text-align: center;
  font-size: clamp(2.075rem, 3.2vw, 2.925rem);
  line-height: 1.35;
  font-weight: 900;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

h3 {
  margin: 0 0 12px;
  font-size: clamp(1.535rem, 2vw, 1.855rem);
  line-height: 1.4;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

blockquote {
  margin: 30px 0;
  padding: 22px 26px;
  border: 1px solid rgba(200, 169, 106, 0.28);
  color: var(--gold-soft);
  background: rgba(255, 255, 255, 0.06);
  font-size: clamp(1.08rem, 1.8vw, 1.34rem);
  font-weight: 800;
}

.gold {
  color: var(--gold);
  background: linear-gradient(100deg, #f3e7c4 0%, #c8a96a 38%, #fff3c9 62%, #9f7d3e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.marker {
  background: linear-gradient(transparent 58%, var(--marker) 58%);
}

.strong {
  font-weight: 900;
}

.strong-color {
  color: var(--wine);
  font-weight: 900;
}

.section-dark .strong-color,
.price {
  color: var(--gold);
  font-weight: 900;
}

.label {
  color: var(--gold);
  font-weight: 900;
}

.fact-line {
  margin: 34px 0;
  color: var(--gold);
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  font-weight: 900;
  text-align: center;
}

.fact-line.dark {
  color: var(--wine);
}

.image-prompt {
  margin-top: 34px;
  padding: 22px;
  border: 1px dashed var(--gold);
  border-radius: 8px;
  color: #4b3b18;
  background: #fffaf0;
  font-size: 0.92rem;
}

.dark-prompt {
  color: var(--gold-soft);
  background: rgba(255, 255, 255, 0.06);
}

.section-media {
  margin: 38px 0 0;
}

.section-media img {
  display: block;
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(200, 169, 106, 0.36);
  box-shadow: 0 22px 60px rgba(17, 17, 17, 0.14);
}

.dark-media img {
  box-shadow: 0 24px 68px rgba(0, 0, 0, 0.42);
}

.section-media figcaption {
  display: none;
}

.section-dark .section-media figcaption {
  color: rgba(255, 255, 255, 0.72);
}

.roas-section h2 {
  font-size: clamp(1.95rem, 4vw, 3.25rem);
}

.benefit-grid,
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0;
}

.benefit-grid article,
.service-grid article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid rgba(200, 169, 106, 0.45);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
}

.visual-prompt {
  min-height: 142px;
  margin: 16px 0 18px;
  padding: 16px;
  display: grid;
  align-items: center;
  border: 1px dashed rgba(200, 169, 106, 0.78);
  border-radius: 8px;
  color: #5d4615;
  background:
    linear-gradient(135deg, rgba(200, 169, 106, 0.18), rgba(255, 255, 255, 0.86)),
    #fffaf0;
  font-size: 0.82rem;
  line-height: 1.55;
}

.card-visual {
  height: 210px;
  margin: 16px 0 18px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(200, 169, 106, 0.42);
  background: var(--charcoal);
  box-shadow: 0 14px 30px rgba(17, 17, 17, 0.14);
}
.card-visual img { display: block; width: 100%; height: 100%; object-fit: cover; }

.service-grid article {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.service-card::before {
  content: "";
  position: absolute;
  right: -38px;
  top: -38px;
  width: 118px;
  height: 118px;
  border: 1px solid rgba(200, 169, 106, 0.22);
  border-radius: 50%;
}

.service-card::after {
  content: "";
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: 54px;
  height: 54px;
  border-right: 2px solid rgba(200, 169, 106, 0.46);
  border-bottom: 2px solid rgba(200, 169, 106, 0.46);
  transform: rotate(-45deg);
}

.service-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border: 1px solid rgba(200, 169, 106, 0.7);
  border-radius: 50%;
  color: var(--gold);
  background: rgba(200, 169, 106, 0.08);
  font-weight: 900;
}

.service-visual {
  position: relative;
  z-index: 1;
  min-height: 132px;
  margin: 0 0 18px;
  border-radius: 8px;
  border: 1px solid rgba(200, 169, 106, 0.26);
  background-image: url("assets/service-icons.png");
  background-size: 400% 100%;
  background-repeat: no-repeat;
  background-color: rgba(0, 0, 0, 0.22);
}

.service-visual-1 {
  background-position: 0% center;
}

.service-visual-2 {
  background-position: 33.333% center;
}

.service-visual-3 {
  background-position: 66.666% center;
}

.service-visual-4 {
  background-position: 100% center;
}

.service-card h3,
.service-card p,
.service-icon {
  position: relative;
  z-index: 1;
}

.benefit-grid article:last-child {
  grid-column: 1 / -1;
  min-height: auto;
}

.pricing-section .section-inner {
  padding: 42px;
  border: 1px solid rgba(200, 169, 106, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(200, 169, 106, 0.12), transparent 34%),
    var(--white);
}

.faq-list {
  display: grid;
  gap: 14px;
}

details {
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 8px;
  background: var(--white);
}

summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 20px 54px 20px 20px;
  color: var(--charcoal);
  font-weight: 900;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: ">";
  position: absolute;
  top: 50%;
  right: 22px;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 1.35rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

details[open] summary::after {
  transform: translateY(-50%) rotate(90deg);
}

details p {
  padding: 0 20px 20px;
  font-size: 14px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

.hero-cta-actions {
  justify-content: flex-start;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 22px;
  border-radius: 6px;
  font-weight: 900;
  font-size: calc(1rem + 5px);
  text-align: center;
  text-decoration: none;
  font-family: inherit;
  cursor: pointer;
}

.button.primary {
  color: var(--charcoal);
  background: linear-gradient(105deg, #ddc489 0%, #c8a96a 54%, #b89556 100%);
  border: 1px solid rgba(234, 219, 184, 0.72);
  box-shadow: 0 10px 26px rgba(200, 169, 106, 0.14);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

.button.secondary {
  color: var(--gold);
  background: transparent;
  border: 1px solid rgba(200, 169, 106, 0.7);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(200, 169, 106, 0.18), transparent 34%),
    rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(6px);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 52px;
  border: 1px solid rgba(200, 169, 106, 0.72);
  border-radius: 8px;
  background:
    radial-gradient(circle at 82% 8%, rgba(200, 169, 106, 0.22), transparent 28%),
    radial-gradient(circle at 0% 100%, rgba(122, 30, 44, 0.2), transparent 34%),
    linear-gradient(145deg, #181512, #060606 68%);
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.58),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.modal-panel::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(200, 169, 106, 0.2);
  border-radius: 6px;
  pointer-events: none;
}

.modal-panel h2 {
  margin-bottom: 14px;
  color: var(--gold);
  background: linear-gradient(100deg, #f3e7c4 0%, #c8a96a 42%, #fff3c9 62%, #9f7d3e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(1.85rem, 3vw, 2.45rem);
}

.modal-lead {
  width: min(100%, 460px);
  margin: 0 auto 28px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.95rem;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(200, 169, 106, 0.42);
  border-radius: 50%;
  color: var(--gold);
  background: rgba(255, 255, 255, 0.06);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  position: relative;
  display: grid;
  gap: 9px;
  color: var(--gold-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(200, 169, 106, 0.38);
  border-radius: 6px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035));
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(200, 169, 106, 0.78);
  box-shadow: 0 0 0 3px rgba(200, 169, 106, 0.12);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .button.primary {
  width: min(100%, 320px);
  margin: 8px auto 0;
  color: #0b0b0b;
}

@media (max-width: 768px) {
  .section {
    padding: 58px 16px;
  }

  .hero {
    min-height: 92vh;
    align-items: start;
    padding-top: 96px;
    padding-bottom: 190px;
    background:
      linear-gradient(180deg, rgba(5, 5, 5, 0.76), rgba(5, 5, 5, 0.48)),
      url("assets/fv-hero-mobile.png") center bottom / cover no-repeat;
  }

  .hero-bg-prompt {
    right: 16px;
    bottom: 16px;
    width: calc(100% - 32px);
  }

  .benefit-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .benefit-grid article:last-child {
    grid-column: auto;
  }

  .cta-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .hero {
    background:
      linear-gradient(110deg, rgba(5, 5, 5, 0.88), rgba(5, 5, 5, 0.46)),
      url("assets/fv-hero-tablet.png") center right / cover no-repeat;
  }
}