@import url("../common.css");

.hero {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 9vw, 104px);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.72fr);
  align-items: center;
  gap: clamp(32px, 7vw, 96px);
}

.hero-visual {
  min-height: clamp(250px, 30vw, 380px);
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(135deg, rgba(199, 227, 236, 0.5), rgba(255, 255, 255, 0.22)),
    repeating-linear-gradient(0deg, transparent 0 55px, rgba(31, 119, 116, 0.08) 56px),
    repeating-linear-gradient(90deg, transparent 0 55px, rgba(31, 119, 116, 0.08) 56px);
  box-shadow: 18px 18px 0 rgba(31, 119, 116, 0.08);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.86rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.kuawase-logo-icon {
  width: 1em;
  height: 1em;
  margin: 0 0.18em 0.18em 0;
  vertical-align: middle;
  object-fit: contain;
}

h1 .small {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  letter-spacing: 0.16em;
}

.lead {
  max-width: 44rem;
  margin: 24px 0 0;
  color: #30494b;
  font-size: clamp(1rem, 1.7vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--button-accent);
  background: var(--button-accent);
  color: #f8f6ee;
  font-size: 0.92rem;
  letter-spacing: 0.09em;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--button-accent-hover);
}

.button.ghost {
  background: rgba(248, 246, 238, 0.36);
  color: var(--text);
  border-color: var(--line);
}

.button.ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(248, 246, 238, 0.56);
}

.content-area {
  position: relative;
  padding: 32px 0 24px;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(153, 193, 205, 0.26), transparent 29rem),
    radial-gradient(circle at 88% 10%, rgba(199, 227, 236, 0.32), transparent 26rem),
    linear-gradient(180deg, var(--paper-strong), var(--paper));
}

.content-area::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -40px;
  height: 110px;
  background: linear-gradient(180deg, rgba(128, 171, 169, 0), var(--paper-strong));
  pointer-events: none;
}

.content-area .section-title h2 {
  display: inline-block;
  padding: 5px 12px;
  background: linear-gradient(90deg, var(--air-accent), rgba(31, 119, 116, 0.7) 70%, rgba(31, 119, 116, 0.28));
  color: #f9feff;
}

.section {
  position: relative;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
  border-top: 1px solid var(--line-soft);
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.section-title p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 7vw, 88px);
  align-items: start;
}

.intro-grid .section-title {
  display: block;
  margin-bottom: 0;
}

.intro-grid .section-title p {
  margin-top: 10px;
}

.intro-grid > p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 1.02rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 14px 34px var(--air-shadow);
  padding: 26px;
}

.panel .num {
  color: var(--air-accent);
  font-size: 0.86rem;
  letter-spacing: 0.2em;
}

.panel h3,
.steps h3 {
  margin: 14px 0 10px;
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.panel p,
.steps p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

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

.steps li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--air-accent);
  background: rgba(255, 255, 255, 0.78);
}

.steps li > span {
  color: var(--air-accent);
  font-size: 0.92rem;
  letter-spacing: 0.16em;
}

.doc-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.doc-links a,
.doc-card {
  display: block;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 14px 34px var(--air-shadow);
  padding: 24px;
}

.doc-links strong {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.doc-links span {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.note,
.callout {
  margin: 28px 0 0;
  padding: 20px 22px;
  border-left: 4px solid var(--air-accent);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink-muted);
}

.note {
  line-height: 1.85;
}

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.callout p {
  margin: 0;
  max-width: 48rem;
}

.faq-list {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.faq-list > div {
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.faq-list dt {
  font-weight: 700;
  letter-spacing: 0.08em;
}

.faq-list dt::before {
  content: "Q. ";
  color: var(--air-accent);
}

.faq-list dd {
  margin: 8px 0 0;
  color: var(--ink-muted);
}
@media (max-width: 820px) {
  .hero-grid,
  .intro-grid,
  .feature-grid,
  .doc-links {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .section-title {
    display: block;
  }

  .section-title p {
    margin-top: 8px;
  }

  .callout {
    display: grid;
    justify-items: start;
  }
}

@media (max-width: 560px) {
  .steps li {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}