:root {
  --blue: #2563eb;
  --blue-dark: #1e3a8a;
  --cyan: #06b6d4;
  --green: #22c55e;
  --coral: #f9735b;
  --ink: #102033;
  --text: #1f2937;
  --muted: #64748b;
  --line: #d9e2ec;
  --cloud: #f8fafc;
  --pale-blue: #f1f7ff;
  --pale-cyan: #ecfeff;
  --pale-green: #f0fdf4;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(37, 99, 235, 0.14);
}

* {
  box-sizing: border-box;
}

.site-back-link { position: fixed; z-index: 9999; left: 16px; bottom: 16px; padding: 10px 15px; color: #fff; background: linear-gradient(105deg,#06b6d4,#2563eb); border-radius: 999px; box-shadow: 0 12px 28px rgba(37,99,235,.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: rgba(255,255,255,.9); font-size: 13px; text-align: center; }
.form-button: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: 1.72;
}

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

a {
  color: inherit;
}

.hero {
  min-height: 94vh;
  padding: 56px 22px 40px;
  background:
    radial-gradient(circle at 86% 12%, rgba(6, 182, 212, 0.18), transparent 30%),
    linear-gradient(135deg, #ffffff 0%, #f8fbff 46%, #eef7ff 100%);
  display: flex;
  align-items: center;
}

.hero-inner {
  width: min(100%, 1030px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 60%) minmax(0, 40%);
  gap: 42px;
  align-items: center;
}

.hero-copy {
  padding: 18px 0;
  text-align: left;
}

.hero-logo {
  width: min(100%, 280px);
  height: auto;
  margin-bottom: 22px;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 13px;
  border: 1px solid rgba(6, 182, 212, 0.28);
  border-radius: 999px;
  background: rgba(236, 254, 255, 0.82);
  color: var(--blue-dark);
  font-size: 0.86rem;
  font-weight: 800;
}

.section-label {
  display: flex;
  justify-content: center;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  padding: 9px 16px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(105deg, var(--blue-dark), var(--blue));
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.18);
}

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

h1 {
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(1.825rem, 4.3vw, 4.275rem);
  line-height: 1.12;
  letter-spacing: 0;
  text-align: left;
}

h1 span {
  color: var(--blue);
}

h2 {
  margin-bottom: 26px;
  color: var(--ink);
  font-size: clamp(1.375rem, 2.75vw, 2.325rem);
  line-height: 1.35;
  letter-spacing: 0;
  text-align: center;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1.45;
  text-align: left;
}

h4 {
  text-align: left;
}

.hero-lead {
  color: var(--ink);
  font-size: clamp(1.18rem, 1.8vw, 1.45rem);
  font-weight: 800;
  line-height: 1.55;
}

.hero-copy > p:not(.eyebrow):not(.hero-lead) {
  max-width: 650px;
  color: #334155;
  font-size: 1.02rem;
}

.reason-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 28px;
}

.reason-tags span {
  padding: 9px 13px;
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: 999px;
  background: var(--white);
  color: var(--blue-dark);
  font-size: 0.88rem;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.08);
}

.scroll-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  margin-top: 24px;
  padding: 15px 24px;
  border-radius: 999px;
  background: linear-gradient(105deg, #fb923c, #f97316);
  color: var(--white);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 18px 38px rgba(249, 115, 22, 0.26);
}

.scroll-link::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.hero-visual {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(217, 226, 236, 0.86);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  border-radius: 15px;
}

.image-frame {
  margin: 38px 0 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.image-frame img {
  width: 100%;
  border-radius: 0;
}

.image-frame picture {
  display: block;
}

.hero-visual.image-frame {
  margin: 0;
  width: min(100%, 430px);
  justify-self: end;
}

.step-icon.image-frame {
  margin: 0;
  width: 190px;
  aspect-ratio: 1 / 1;
}

.prompt-box {
  margin: 38px 0 0;
  padding: 22px;
  border: 1px dashed rgba(37, 99, 235, 0.45);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(236, 254, 255, 0.72), rgba(241, 247, 255, 0.86)),
    var(--white);
  color: #334155;
}

.step-icon.prompt-box,
.result-visual.prompt-box {
  margin: 0 0 20px;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.step-icon.prompt-box {
  width: 190px;
  min-height: 0;
  aspect-ratio: 1 / 1;
  margin: 0;
  padding: 16px;
  overflow: hidden;
}

.step-icon.prompt-box figcaption {
  margin-bottom: 8px;
  font-size: 0.74rem;
}

.step-icon.prompt-box p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  font-size: 0.78rem;
  line-height: 1.45;
}

.step-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.hero-visual.prompt-box {
  margin: 0;
  width: min(100%, 430px);
  min-height: 620px;
  justify-self: end;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.prompt-box figcaption {
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: 0.82rem;
  font-weight: 900;
}

.prompt-box p {
  margin-bottom: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

.section {
  padding: 86px 22px;
}

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

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

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

.body-copy {
  color: #334155;
  font-size: 1.02rem;
}

.body-copy p {
  margin-bottom: 18px;
}

.body-copy strong {
  color: var(--blue-dark);
  font-weight: 900;
}

.two-cards,
.flow-cards {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.two-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.two-cards article,
.flow-cards article,
.diagnosis-panel,
.next-preview .section-inner {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.two-cards article,
.flow-cards article {
  padding: 24px;
}

.maze {
  background: var(--pale-blue);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: 34px;
  align-items: center;
}

.diagnosis-panel {
  padding: 24px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.panel-head strong {
  color: var(--coral);
}

dl {
  margin: 20px 0;
}

dl div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid #eef2f7;
}

dt {
  color: var(--muted);
  font-weight: 800;
}

dd {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
}

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

.steps {
  background: var(--pale-cyan);
}

.section-intro,
.section-outro {
  width: min(100%, 890px);
  margin: 0 auto 34px;
}

.steps-inner {
  width: min(100%, 890px);
}

.section-outro {
  margin-top: 34px;
  margin-bottom: 0;
}

.step-list {
  display: grid;
  gap: 18px;
}

.step-list article,
.pricing-grid article,
.result-cards article {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

.step-list article {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px;
}

.step-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.step-heading h3 {
  margin-bottom: 0;
  font-size: calc(1.15rem + 6px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22);
}

.step-list ul,
.pricing-grid ul {
  margin: 14px 0 18px;
  padding: 0;
  list-style: none;
}

.step-list li,
.pricing-grid li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
}

.step-list li::before,
.pricing-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
}

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

.compare-table {
  overflow-x: auto;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.98)),
    var(--white);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 17px 15px;
  border-bottom: 1px solid #e8eef6;
  text-align: center;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  color: var(--blue-dark);
  background: #eaf3ff;
  font-size: 0.9rem;
  font-weight: 800;
}

td:last-child,
th:last-child {
  color: var(--blue-dark);
  background: linear-gradient(180deg, rgba(219, 244, 255, 0.98), rgba(236, 254, 255, 0.98));
  font-weight: 900;
  box-shadow: inset 4px 0 0 var(--cyan);
  font-size: 1.05em;
}

tbody tr:nth-child(even) td:not(:last-child) {
  background: rgba(248, 250, 252, 0.72);
}

tbody tr:hover td {
  background: rgba(236, 254, 255, 0.72);
}

tbody tr:hover td:last-child {
  background: rgba(219, 244, 255, 0.96);
}

tbody td:last-child {
  color: #0e7490;
}

.results {
  background: var(--pale-green);
}

.result-cards,
.pricing-grid,
.faq-list {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.result-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.result-cards article,
.pricing-grid article,
.faq-list details {
  padding: 24px;
}

.result-title {
  font-size: calc(1.15rem + 6px);
}

.result-title span {
  display: block;
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 900;
}

.result-text {
  color: #475569;
  font-size: calc(1rem - 2px);
  line-height: 1.72;
}

.pricing {
  background:
    radial-gradient(circle at 8% 12%, rgba(6, 182, 212, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
}

.price-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 30px 0;
}

.price-showcase article {
  padding: 24px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 45px rgba(37, 99, 235, 0.09);
}

.price-showcase .price-ad {
  border-color: rgba(6, 182, 212, 0.35);
}

.price-showcase .price-setup {
  border-color: rgba(37, 99, 235, 0.32);
}

.price-showcase .price-option {
  border-color: rgba(34, 197, 94, 0.35);
}

.price-showcase span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 900;
}

.price-showcase .price-ad span {
  background: rgba(6, 182, 212, 0.12);
  color: #0e7490;
}

.price-showcase .price-setup span {
  background: rgba(37, 99, 235, 0.12);
  color: #1e3a8a;
}

.price-showcase .price-option span {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
}

.price-showcase strong {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 1.22;
}

.price-showcase p {
  margin-bottom: 0;
  color: #475569;
  font-size: 0.92rem;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pricing-grid article {
  position: relative;
  overflow: hidden;
}

.pricing-grid article:nth-child(1) {
  border: 5px solid rgba(37, 99, 235, 0.32);
  background: linear-gradient(180deg, #ffffff, #f1f7ff);
}

.pricing-grid article:nth-child(2) {
  border: 5px solid rgba(6, 182, 212, 0.35);
  background: linear-gradient(180deg, #ffffff, #ecfeff);
}

.pricing-grid article:nth-child(3) {
  border: 5px solid rgba(34, 197, 94, 0.35);
  background: linear-gradient(180deg, #ffffff, #f0fdf4);
}

.pricing-grid h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin: -24px -24px 20px;
  padding: 14px 16px;
  border-radius: 13px 13px 0 0;
  color: var(--white);
  text-align: center;
  box-shadow: none;
}

.pricing-grid article:nth-child(1) h3 {
  background: linear-gradient(105deg, #1e3a8a, #2563eb);
}

.pricing-grid article:nth-child(2) h3 {
  background: linear-gradient(105deg, #0e7490, #06b6d4);
}

.pricing-grid article:nth-child(3) h3 {
  background: linear-gradient(105deg, #166534, #22c55e);
}

.pricing-grid li {
  font-size: 14px;
  line-height: 1.3;
}

.transparency {
  background: var(--pale-blue);
}

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

.faq-list {
  grid-template-columns: 1fr;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.05);
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--blue);
  font-size: 1.25rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 16px 0 0;
  color: #475569;
}

.final-cta {
  background:
    radial-gradient(circle at 12% 18%, rgba(6, 182, 212, 0.22), transparent 30%),
    linear-gradient(135deg, #0b1f3a 0%, #123b70 54%, #075985 100%);
  color: var(--white);
  text-align: center;
}

.final-cta h2,
.final-cta .eyebrow {
  color: var(--white);
}

.final-cta .eyebrow {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
}

.final-cta .body-copy {
  text-align: left;
  color: rgba(255, 255, 255, 0.86);
}

.contact-form {
  display: grid;
  gap: 14px;
  margin: 32px auto 22px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  text-align: left;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  padding: 14px 15px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}

.contact-form textarea {
  resize: vertical;
}

.form-button {
  width: 100%;
  min-height: 60px;
  margin-top: 4px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(105deg, #fb923c, #f97316);
  color: var(--white);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  box-shadow: 0 18px 38px rgba(249, 115, 22, 0.28);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 14px 24px;
  border-radius: 999px;
  background: linear-gradient(105deg, var(--cyan), var(--blue));
  color: var(--white);
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 18px 38px rgba(37, 99, 235, 0.22);
}

.flow-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flow-cards span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 0.86rem;
  font-weight: 900;
}

.next-preview {
  background: linear-gradient(135deg, var(--pale-cyan), var(--pale-green));
}

.next-preview .section-inner {
  padding: 34px;
}

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

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .hero-inner,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 360px;
    margin: 0 auto;
  }

  .hero-visual.prompt-box {
    justify-self: center;
    min-height: 420px;
  }

  .hero-visual.image-frame {
    width: min(100%, 520px);
    justify-self: center;
  }

  .flow-cards {
    grid-template-columns: 1fr;
  }

  .step-list article {
    grid-template-columns: 1fr;
  }

  .step-icon.prompt-box {
    width: min(100%, 260px);
  }

  .result-cards,
  .pricing-grid,
  .price-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-inner {
    gap: 24px;
  }

  .hero-logo {
    width: min(100%, 220px);
    margin-bottom: 16px;
  }

  h1 {
    font-size: clamp(1.6rem, 8.5vw, 2.35rem);
  }

  h2 {
    font-size: clamp(1.28rem, 6vw, 1.78rem);
  }

  .two-cards {
    grid-template-columns: 1fr;
  }

  .hero-lead {
    font-size: 1.02rem;
  }

  .hero-copy > p:not(.eyebrow):not(.hero-lead) {
    font-size: 0.94rem;
  }

  .hero-visual {
    padding: 0;
    border-radius: 0;
  }

  .hero-visual img {
    border-radius: 0;
  }

  dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}