/* u16tanaka.com — minimal mobile-first */
:root {
  --text: #1a1a1a;
  --muted: #555;
  --border: #e5e5e5;
  --bg: #fafafa;
  --card: #fff;
  --accent: #c45c26; /* warm clay — not corporate blue */
  --accent-hover: #a34a1c;
  --max: 36rem;
  --pad: 1.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
    "Yu Gothic", YuGothic, Meiryo, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-hover);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad) 3rem;
}

header.site {
  margin-bottom: 2rem;
}

.brand {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin: 0 0 0.35rem;
}

h1 {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 2rem 0 0.65rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--border);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

p {
  margin: 0 0 0.85rem;
}

.lead {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.35rem;
}

.cta {
  display: inline-block;
  margin: 0.5rem 0 1.25rem;
  padding: 0.85rem 1.4rem;
  background: var(--accent);
  color: #fff !important;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  line-height: 1.3;
}

.cta:hover {
  background: var(--accent-hover);
  color: #fff !important;
}

.cta-block {
  margin: 1.5rem 0;
}

.links {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.links li {
  margin-bottom: 0.4rem;
}

.note {
  font-size: 0.9rem;
  color: var(--muted);
}

.faq dt {
  font-weight: 700;
  margin-top: 1rem;
}

.faq dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

footer.site {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

footer.site p {
  margin-bottom: 0.5rem;
}

.form-area {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1rem 0 1.5rem;
}

.form-area .cta {
  width: 100%;
  text-align: center;
}

/* MailerLite embed breathing room */
.ml-embedded {
  min-height: 2rem;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.5rem;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

@media (min-width: 480px) {
  html {
    font-size: 18px;
  }
  h1 {
    font-size: 1.6rem;
  }
}