*,
*::before,
*::after {
  box-sizing: border-box;
}
body{
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 12px;
  line-height:1.9;
  color:#333;
  background-color:#fff;
}
ul, li {
  list-style: none;
}
a {
  color: #16522e;
  text-decoration: none;
  transition: .3s;
}
a:hover {
  opacity: .7;
}

/* 汎用コンテナ */
.wrapper {
  display: flex;
  align-items: center;
  flex-direction: column;
  padding: 0 30px;
  width: 100%;
}
.inner {
  max-width: 480px;
  width: 100%;
}
.inner__flex_center {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* タイトル */
.ttl-box {
  background-color: #16522e;
  color: #fff;
  margin: 5vh 0;
  padding: 16px;
  max-width: 400px;
  text-align: center;
  width: 100%;
}
.ttl-box__inner {
  border: 2px solid #fff;
  padding: 16px;
  width: 100%;
}
.ttl-box__lead {
  font-size: 10px;
}

/* 見出し */
h1 {
  font-size: 20px;
  font-weight: bold;
}
h2 {
  color: #16522e;
  font-size: 16px;
  font-weight: bold;
  margin: 32px 0 16px;
  position: relative;
  text-align: center;
}
h2::before {
  background-color: #e2e4e3;
  content: '';
  position: absolute;
  top: calc(50% - 1px);
  left: 0;
  width: 100%;
  height: 2px;
}
h2 span {
  background-color: #fff;
  padding: 0 16px;
  position: relative;
}

/* ナビゲーションメニュー */
.mainNav {
  border-top: 2px solid #fff;
  margin-top: 12px;
  padding-top: 12px;
  width: 100%;
}
.mainNav-box {
  display: flex;
  justify-content: center;
}
.mainNav-box li:not(:first-of-type) {
  margin-left: 12px;
}
.mainNav a {
  color: #fff;
  font-weight: bold;
}

/* フォームまわり */
input[type], textarea, button, select {
  color: inherit;
  font-family: inherit;
  font-size: 12px;
  margin: 6px 0;
}
input[type="password"] {
  border: 1px solid #e2e4e3;
}
input[type="submit"] {
  background: #16522e;
  color: #fff;
  padding: 0 12px;
}


/* 部分パーツ */
.update-box {
  text-align: center;
}
.basic-text + .basic-text {
  margin-top: 16px;
}

/* フッター */
.footer {
  margin: 32px 0;
  text-align: center;
}
.counter {
  text-align: center;
}
.rank-box {
  display: flex;
  justify-content: center;
}
.rank-box li:not(:first-of-type) {
  margin-left: 12px;
}
.rank-box a {
  color: #16522e;
}

/* 汎用テキスト装飾 */
.emphasis01 {
  background-color: #d5d8d6;
  color: #16522e;
  display: inline-block;
}
.ta-center {
  text-align: center;
}