@charset "UTF-8";
/* ============ Nishikigi Design Minimal Base (SCSS) ============ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: #222;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "ヒラギノ角ゴ ProN", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: #4FA37E;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  line-height: 1.35;
  margin: 0 0 16px;
}

p {
  margin: 0 0 16px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 40px 0;
  border-top: 1px solid #eee;
}
.section:first-of-type {
  border-top: none;
}

.site-header {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #eee;
  z-index: 10;
}
.site-header .brand {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
}
.site-header .brand__logo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #4FA37E;
}
.site-header .brand__name {
  font-weight: 700;
}
.site-header .nav a {
  margin-left: 16px;
}
.site-header .nav a:first-child {
  margin-left: 0;
}

.hero {
  padding: 40px 0;
}
.hero__title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
}
.hero__sub {
  color: #6b7280;
  margin: 0;
}

.card {
  padding: 24px;
  border: 1px solid #eee;
  border-radius: 8px;
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  background: #4FA37E;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
}
.btn:hover {
  opacity: 0.9;
  text-decoration: none;
}

footer {
  border-top: 1px solid #eee;
  color: #6b7280;
  margin-top: 40px;
}
footer .container {
  padding: 32px 24px;
}

.lead {
  font-size: 18px;
}

.muted {
  color: #6b7280;
}

.hr {
  height: 1px;
  background: #eee;
  margin: 32px 0;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #eee;
  border-radius: 8px;
  font: inherit;
}

label {
  display: block;
  margin: 0 0 8px;
}

.form-row {
  margin: 0 0 24px;
}

.form-actions {
  margin-top: 24px;
}

@media (min-width: 900px) {
  .hero__title {
    font-size: 32px;
  }
  .container {
    padding: 0 32px;
  }
}