* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  scroll-behavior: auto;
}

body {
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #f3f5f8;
  color: #1b2028;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 17px;
  line-height: 1.9;
}

.sheet {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}

.wrap {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 8px 36px 72px;
}

.mast {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 36px 22px;
}

.mast strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.mast nav {
  display: block;
  padding-bottom: 18px;
  border-bottom: 1px solid #cfd5de;
}

.mast nav a {
  display: inline-block;
  margin: 0 28px 10px 0;
  color: #2c5aa0;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.mast nav a.now {
  color: #1b2028;
  border-bottom-color: #2c5aa0;
}

h1,
h2,
h3,
.mast strong {
  font-family: Georgia, "Times New Roman", serif;
}

h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 600;
  margin: 40px 0 26px;
}

h2 {
  font-size: 26px;
  line-height: 1.38;
  font-weight: 600;
  margin: 0 0 20px;
}

h3 {
  font-size: 18px;
  line-height: 1.45;
  font-weight: 600;
  margin: 0 0 8px;
}

p {
  margin: 0 0 18px;
}

.hero-go {
  display: block;
  width: 100%;
  background: #2c5aa0;
  color: #fff;
  text-align: center;
  text-decoration: none;
  padding: 18px 16px;
  font-size: 18px;
  letter-spacing: 0.04em;
  border: 0;
}

.hero-go svg,
.lane a svg,
.dock-btn svg {
  display: inline-block;
  vertical-align: -3px;
  margin-right: 8px;
}

.hint {
  color: #4a5260;
  font-size: 15px;
  margin: 14px 0 8px;
}

.band {
  border-left: 2px solid #2c5aa0;
  padding: 6px 0 8px 26px;
  margin: 56px 0 0;
}

.fact {
  border-left: 2px solid #2c5aa0;
  padding: 18px 0 6px 26px;
  margin: 32px 0 8px;
}

.lane a {
  display: block;
  width: 100%;
  border: 2px solid #2c5aa0;
  color: #2c5aa0;
  background: transparent;
  text-align: center;
  text-decoration: none;
  padding: 13px 14px;
  margin: 12px 0 0;
}

.news {
  margin: 8px 0 0;
}

.news article {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid #d5dae3;
}

.news time {
  display: block;
  color: #667084;
  font-size: 13px;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.news p {
  margin: 0;
}

.ask {
  list-style: decimal;
  padding-left: 26px;
  margin: 8px 0 0;
}

.ask li {
  margin: 0 0 28px;
  padding-left: 6px;
}

.ask p {
  margin: 0;
}

footer {
  width: 100%;
  max-width: 780px;
  margin: 64px auto 0;
  padding: 28px 36px 20px;
  color: #4a5260;
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid #cfd5de;
}

footer p {
  margin: 0 0 12px;
}

.cta-dock {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  flex: 0 0 auto;
  width: 100%;
  z-index: 30;
  background: #e8ebf1;
  border-top: 2px solid #2c5aa0;
  padding: 12px 36px;
}

.cta-dock .inner {
  max-width: 780px;
  margin: 0 auto;
}

.dock-btn {
  display: block;
  width: 100%;
  background: #2c5aa0;
  color: #fff;
  text-align: center;
  text-decoration: none;
  padding: 12px 14px;
  border: 0;
}

.cta-dock small {
  display: block;
  margin-top: 6px;
  color: #4a5260;
  font-size: 12px;
}

@media (max-width: 640px) {
  h1 {
    font-size: 32px;
  }

  .wrap,
  .mast,
  footer,
  .cta-dock {
    padding-left: 20px;
    padding-right: 20px;
  }
}