@charset "UTF-8";

:root {
  --bg: #f7f9fc;
  --white: #ffffff;
  --blue-soft: #eef5fb;
  --blue: #7faed6;
  --blue-dark: #4f83b4;
  --blue-pale: #cfe3f6;
  --text: #3d3d3d;
  --text-light: #666666;
  --border: #d7e5f2;
  --header-border: #e5e5e5;
  --shadow: rgba(0, 0, 0, 0.05);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family:
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--header-border);
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 20px;
}

.site-logo {
  display: inline-block;
}

.site-logo img {
  width: 170px;
}

.main {
  display: block;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-hero {
  padding: 60px 0 30px;
}

.page-hero__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--blue-dark);
}

.page-title {
  margin: 0;
  font-size: 34px;
  line-height: 1.4;
  color: var(--text);
}

.page-lead {
  margin: 15px 0 0;
  color: var(--text-light);
}

.guideline-section {
  padding-bottom: 60px;
}

.notice-box {
  padding: 30px;
  background: var(--blue-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 6px 18px var(--shadow);
}

.notice-box__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.notice-box__icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.notice-box__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
}

.icon-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.icon-list__item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
}

.icon-list__item + .icon-list__item {
  border-top: 1px dashed var(--border);
}

.icon-list__mark {
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--blue-pale);
  color: var(--blue-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.icon-list__text {
  flex: 1;
  font-size: 15px;
  word-break: break-word;
  overflow-wrap: anywhere;
}

@media (max-width: 768px) {
  .site-header__inner {
    padding: 16px;
  }

  .site-logo img {
    width: 150px;
  }

  .container {
    padding: 0 16px;
  }

  .page-hero {
    padding: 42px 0 24px;
  }

  .page-title {
    font-size: 26px;
  }

  .page-lead {
    font-size: 14px;
  }

  .notice-box {
    padding: 20px;
  }

  .notice-box__title {
    font-size: 18px;
  }

  .icon-list__text {
    font-size: 14px;
  }
}