body {
  margin: 0;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  background: #dcf3fd;
  color: #333;
}
a{
	color: #333;
	text-decoration: none;
    outline: none;
}
a:hover{
	color:#FF6600;
}
*{
    box-sizing: border-box;
  margin:0;
  padding: 0;
}
.pc {
  display: block;
}
.sma {
  display: none;
}
@media (max-width: 768px) {
	.pc {
  display: none;
}
	.sma {
  display: block;
	}
}
.blank {
  width:1em;
}
/* ================= HERO ================= */
.hero {
  height: 70vh;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  background: url("img/33th_symp.jpg") center/cover no-repeat;

  display: flex;
  justify-content: center;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
background: linear-gradient(to top, rgba(11,18,32,0.6), rgba(11,18,32,0.1));
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  color: #fff;
  text-align: center;
}

.hero-inner h1 {
font-size: calc(1.2rem + 1.5vw);
}
.hero-inner h2 {
font-size: calc(0.9rem + .9vw);
}
/* ================= header ================= */
.header {
  height: 240px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  background: url("img/33th_symp.jpg") top center/cover no-repeat;

  display: flex;
  justify-content: center;
  align-items: center;
}

.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,18,32,0.9), rgba(11,18,32,0.2));
  z-index: 0;
}

.header-inner {
  position: relative;
  z-index: 1;
  color: #fff;
	text-align: center;
}

.header-inner h1 {
font-size: calc(1.2rem + 1.5vw);
}
.header-inner h2 {
font-size: calc(0.9rem + .9vw);
}
@media (max-width: 768px) {
.header-inner {
	margin-top:60px;
	}
}
	
/* ================= PAGE ================= */
.top-page {
  position: relative;
  z-index: 2;
  margin-top: 60vh;
  background: #EFF0F2 ;

  padding-top: 40px;
}
.page {
  position: relative;
  z-index: 2;
  margin-top: 240px;
  background: #EFF0F2 ;

  padding-top: 40px;
}
/* ================= LAYOUT ================= */
.wrapper {
  display: flex;
align-items: flex-start; 

  max-width: 1100px;
  margin: 0 auto;
}

/* ================= SIDEBAR ================= */
.sidebar {
  width: 220px;
  padding: 20px 20px;
  background: rgba(110, 122, 127,0.06);
  border: 1px solid rgba(110, 122, 127,0.1);
color:#333;
border-radius: 16px;
}

.sidebar a {
  display: block;
color:#333;
  text-decoration: none;
  padding: 10px 0;
margin: 4px 0;
    margin-bottom: 4px;
  padding: 11px 15px;
  width: 100%;
}
.sidebar a:hover {
  background-color: #043c78 !important;
  color: #ffffff !important;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}
.navbar-nav a.active {
  background-color: #043c78 !important;
  color: #ffffff !important;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}
/* ================= CONTENT ================= */
.content {
  flex: 1;
  padding: 0 0 40px 40px;
}

.card-glass {
  background: rgba(110, 122, 127,0.06);
  border: 1px solid rgba(110, 122, 127,0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 30px;
}

@media (max-width: 992px) {
	.card-glass {
		padding: 1em;
	}
}
		
		
/* ================= MENU BUTTON ================= */
.menu-btn {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 3000;
  background: rgba(219, 222, 223,0.2);
  border: 2px solid #043c78;
  color: #043c78;
  padding: 10px 14px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
  font-size: 20px;
}

/* ================= OFFCANVAS ================= */
.offcanvas {
  background: #dcf3fd;
  backdrop-filter: blur(12px);
	color: #333;
	padding-top:60px;
}

.offcanvas a {
  color: #043c78;
  text-decoration: none;
  display: block;
	padding: 12px 0;

}

.offcanvas a:hover {
  color: #043c78;
}


/* ================= RESPONSIVE ================= */
@media (max-width: 992px) {

  .wrapper {
    flex-direction: column;
  }

  .sidebar {
    display: none;
  }

  .content {
    padding: 1em;
width:100%;
}
}

/* ================= TOP ================= */
.wrapper h1 {
  margin-bottom: 20px;
	color: #043c78;
	font-size: clamp(16px, calc(20px + 10 * ((100vw - 320px) / 448)), 26px);

  border-bottom: 6px solid #043c78;
  line-height: 140%;
  letter-spacing: 0.01em;
}
.wrapper h2 {
  margin:20px 0 20px;
  padding: 0.3em;
  background: #EFF0F2;
  border-bottom: solid 2px #043c78;
  color: #043c78;
	font-size: clamp(14px, calc(20px + 10 * ((100vw - 320px) / 448)), 24px);
  line-height: 140%;
}
.wrapper h3 {
  margin-top: 30px;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 4px solid #e190aa;
	font-size: clamp(14px, calc(20px + 10 * ((100vw - 320px) / 448)), 24px);
  line-height: 140%;
	color: #043c78;
	background: #EFF0F2;
}

/* ================= news ================= */

.news {
  padding: 15px 12px;
  margin-bottom: 20px;
  border: 2px solid #043c78;
  border-radius: 5px;
}

.news ul {
    max-height: calc(5 * 45px); /* 1行の高さ × 5 */
    overflow-y: auto;
}

.news li {
  border-bottom: 1px dotted #043c78;
  display: flex;
  flex-wrap: wrap;
  padding: 10px 8px 10px;
}
.news-date {
  flex-basis: 140px;
  font-weight: bold;
}

@media (max-width: 768px) {
.news-date {
  flex-basis: 100%;
	}
}
/* ================= Important Date ================= */
.important-date {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
  margin-top: 20px;
  margin-bottom: 30px;
}
.important-date th {
  background-color: #f0f7fc;
padding:0.5em;
  border: 1px solid #043c78;

}
.important-date td {
  background-color: #fff;
padding:0.5em;
  border: 1px solid #043c78;
}

/* ================= footer ================= */

#page-top {
  margin: 80px 0px 40px;
  text-align: center;
  font-size: 1.2em;
}
#page-top a {
color:#333;
}
footer {
background-color:#043c78;
color:#fff;
padding:20px;
}