:root {
  --mint: #45c7c1;
  --sky: #4ea8e6;
  --coral: #ff8fab;
  --coral-soft: #ffe3ea;
  --ink: #20262b;
  --ink-soft: #5b6470;
  --ink-faint: #8b939c;
  --bg: #fafcfb;
  --bg-tint: #eef9f7;
  --bg-tint-2: #f3f8fd;
  --surface: #ffffff;
  --line: #e3ecea;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-soft: 0 6px 20px rgba(32, 60, 60, 0.06);
  --max-w: 560px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 3px;
  border-radius: 8px;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- header ---------- */

.site-header {
  padding: 20px 0 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: "Zen Maru Gothic", "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), var(--sky));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

/* ---------- hero ---------- */

.hero {
  padding: 40px 0 48px;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mint);
  background: var(--bg-tint);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero h1 .accent {
  background: linear-gradient(120deg, var(--mint), var(--sky));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  margin: 0 auto 30px;
  max-width: 420px;
  font-size: 15px;
  color: var(--ink-soft);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(120deg, var(--mint), var(--sky));
  color: #fff;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  padding: 16px 28px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 24px rgba(78, 168, 230, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  min-height: 44px;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(78, 168, 230, 0.34);
}

.cta:active {
  transform: translateY(0);
}

.cta .arrow {
  transition: transform 0.15s ease;
}

.cta:hover .arrow {
  transform: translateX(3px);
}

.reassure {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--ink-faint);
}

.reassure span {
  display: inline-block;
}

.reassure span + span::before {
  content: "・";
  margin: 0 2px;
  color: var(--ink-faint);
}

/* ---------- section shells ---------- */

section {
  padding: 44px 0;
}

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

.section-head {
  text-align: center;
  margin-bottom: 28px;
}

.section-tag {
  display: block;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--sky);
  margin-bottom: 8px;
}

.section-head h2 {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
}

.section-head p {
  margin: 10px auto 0;
  max-width: 380px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- step / mockup ---------- */

.step-visual {
  margin: 0 auto 26px;
  max-width: 260px;
}

.mock-phone {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px 22px;
}

.mock-line {
  height: 8px;
  border-radius: 4px;
  background: #eef1f1;
  margin-bottom: 8px;
}

.mock-line.short {
  width: 55%;
}

.mock-report-btn {
  position: relative;
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, var(--mint), var(--sky));
  border-radius: var(--radius-pill);
  padding: 10px 0;
}

.mock-report-btn::before {
  content: "";
  position: absolute;
  inset: -6px;
  border: 2px solid var(--coral);
  border-radius: var(--radius-pill);
  opacity: 0.55;
  animation: pulse 2.2s ease-out infinite;
}

@keyframes pulse {
  0% { transform: scale(0.97); opacity: 0.6; }
  70% { transform: scale(1.08); opacity: 0; }
  100% { transform: scale(1.08); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .mock-report-btn::before {
    animation: none;
    opacity: 0.35;
  }
}

.tap-hint {
  text-align: center;
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-faint);
}

.step-caption {
  text-align: center;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 17px;
  margin: 0 0 6px;
}

.step-sub {
  text-align: center;
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 320px;
  margin: 0 auto;
}

/* ---------- conditions ---------- */

.condition-list {
  list-style: none;
  margin: 0 auto 14px;
  padding: 0;
  max-width: 340px;
}

.condition-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.condition-list li:last-child {
  border-bottom: none;
}

.check-dot {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-tint);
  color: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 2px;
}

.fine-note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-faint);
  max-width: 320px;
  margin: 0 auto;
}

/* ---------- glossary ---------- */

.term-list {
  border-top: 1px solid var(--line);
}

.term-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.term-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.term-en {
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  background: var(--bg-tint-2);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
}

.term-jp {
  font-weight: 700;
  font-size: 15.5px;
}

.term-desc {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.term-none {
  margin-top: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}

.term-none .none-badge {
  font-weight: 700;
  font-size: 15px;
}

.term-none p {
  margin: 8px 0 0;
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* ---------- trust strip ---------- */

.trust-strip {
  padding: 6px 0 44px;
}

.trust-strip ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.trust-strip li {
  background: var(--bg-tint);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
}

/* ---------- chrome tip ---------- */

.chrome-tip {
  border-top: 1px solid var(--line);
}

.chrome-tip .section-head h2 {
  font-size: 16px;
}

.chrome-tip .tip-body {
  max-width: 360px;
  margin: 0 auto;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

.chrome-tip .tip-body strong {
  color: var(--ink);
}

/* ---------- footer ---------- */

.site-footer {
  padding: 26px 0 40px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-faint);
}

/* ---------- tablet / desktop ---------- */

@media (min-width: 700px) {
  .hero h1 {
    font-size: 34px;
  }

  section {
    padding: 56px 0;
  }

  .section-head h2 {
    font-size: 23px;
  }
}