@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

/*------------------------------
GENERAL
------------------------------*/
:root {
  --color-primary: #314584;
  --color-secondary: #FF3946;
  --color-orage: #FF8F39;
  --color-light: #f4fafe;
  --color-black: #37423b;
  --general-container-margin: 2rem auto;
}
.container {
  margin: var(--general-container-margin);
  /* overflow: hidden; */
}
.bg_colored_1 {
  background: var(--color-primary);
}
.bg_colored_2 {
  background: var(--color-light);
}
/* Chrome 画像のぼやけ防止 */
img {
  image-rendering: -webkit-optimize-contrast;
}
a:hover {
  filter: alpha(opacity=80);
  -moz-opacity: 0.80;
  opacity: 0.80;
}


/*------------------------------
TYPOGRAPHY
------------------------------*/
h1, h2, h3, h5, a {
  color: var(--color-primary);
}
p {
  color: var(--color-black);
  line-height: 1.7;
}
h1, h2, h3, h4, h5, h6, p, a, li {
  font-family: 'Noto Sans JP', sans-serif;
}
span {
  display: inline-block;
}
h1, h2, h3 {
  font-weight: bold;
}
h2 {
  text-align: center;
  margin-bottom: 2rem;
}
.bg_colored_1 h1, .bg_colored_1 h2 {
  color: #fff;
}
h6 {
  font-size: 1rem;
  color: var(--color-secondary);
  font-weight: bold;
}
a {
  text-decoration: none;
}


/*------------------------------
BUTTON
------------------------------*/
.my-btn {
  color: #fff;
  font-weight: bold;
  background: var(--bg);
  border-radius: 3px;
  box-shadow: 0 3px 3px 0 rgba(0, 0, 0, 0.14), 0 1px 2px 0 rgba(0, 0, 0, 0.12);
  transition: 0.2s ease;
}
.my-btn:hover {
  color: #fff;
  box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.2), 0 1px 8px 0 rgba(0, 0, 0, 0.12);
}


/*------------------------------
上へ戻るボタン
------------------------------*/
.back-to-top > i.arrow-up > svg {
  height: 1.5rem;
  color: #fff;
}
.back-to-top {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 20px;
  bottom: 20px;
  z-index: 996;
  background: var(--color-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50px;
  transition: all 0.4s;
}
.back-to-top:hover {
  color: var(--color-primary);
}
.back-to-top.active {
  visibility: visible;
  opacity: 1;
}


/*------------------------------
HEADER
------------------------------*/
.nav_wrapper {
  background: #e9ecef;
  /* filter: drop-shadow(0px 0px 5px rgba(0,0,0,.2)); */
}
.navbar-brand img {
  width: 11rem;
  margin-inline-end: 2rem;
}
.navbar-light .navbar-nav .nav-link {
  color: var(--color-primary);
  font-weight: bold;
}
.navbar-light .navbar-nav .nav-link.active, .navbar-light .navbar-nav .show>.nav-link {
  color: var(--color-secondary);
}


/*------------------------------
TOP PAGE
------------------------------*/
.hero_section {
  background-image: url('../img/hero-image.png');
  background-size: auto;
  background-position: 100% 20%;
  background-repeat: no-repeat;
  height: 40vh;
}
.badge {
  background: var(--color-secondary);
  font-size: 1rem;
  margin-right: 0.5rem;
}
.file_section {
  background-image: url('../img/file_bg.png');
  background-size: auto;
  background-position: 100% 100%;
  background-repeat: no-repeat;
}
@media screen and (max-width:992px) {
  .hero_section {
    background-size: contain;
    background-position: 100% 100%;
    height: 60vh;
  }
}