:root {
  /* blue scale */
  --blue-100: #b8e6f4;
  --blue-200: #8cc7d9;
  --blue-400: #064493;
  --blue-500: #4f7fa0;
  --blue-600: #366880;
  --blue-700: #215572;
  --blue-800: #1c4359;  

  /* gray scale */
  --gray-000: #ffffff;
  --gray-200: #eeeeee;
  --gray-300: #dddddd;
  --gray-400: #9a9a9a;
  --gray-400: #9a9a9a;
  --gray-500: #7a7a7a;
  --gray-600: #666666;
  --gray-700: #333333;  
  --gray-800: #282828;  

  /* color */
  --color-info:#279fa4;
  --color-info-rgb:39 159 164;
  --color-warning:#f87167;
  --color-warning-rgb:248 113 103;

  /* radius */
  --radius-btn: 99px;
  --radius-box: 3px;

  /* transitions */
  --transition-bg-color: background-color  0.2s cubic-bezier(0.45, 0, 0.55, 1);
  --transition-color: color 0.2s cubic-bezier(0.45, 0, 0.55, 1);
  --opacity-off: 0.85;
  --opacity-on: 1;
  --transition-opacity: opacity 0.2s cubic-bezier(0.45, 0, 0.55, 1);
  --shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
  --transition-shadow: box-shadow 0.2s cubic-bezier(0.45,0,0.55,1);
    
}

/* basic */
html {
  font-size: 16px;
  scroll-behavior:smooth;
  -webkit-text-size-adjust: 100%;
}

body{
  background-color: var(--blue-100);
  color: var(--gray-800);
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  font-family:  -apple-system, BlinkMacSystemFont,Meiryo, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

h1{
  color: var(--gray-800);
  font-size: 2rem;
  margin-bottom: 20px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 500;
  font-style: normal;
}

h2{
  font-size: 1.2rem;
  color: var(--blue-800);
  margin-bottom: 7px;
  font-style: normal;
}

h3{
  font-size: 1rem;
  border-bottom: 3px solid var(--color-info);
  display: inline-block;
  margin-bottom: 20px;
}
a {
  color: var(--blue-400);
  text-decoration:underline;
  opacity: var(--opacity-off);
  transition: var(--transition-opacity);
}
a:visited {
  color: var(--blue-400);
}
a:hover{
  text-decoration:none;
  opacity: var(--opacity-on);
}

section{
  margin-bottom: 15px;
  margin-top: 0;
  padding-bottom: 20px;
  padding-top: 10px;
}

footer{
  color: var(--blue-800);
  background-color:rgba(255,255,255,0.7);
  display: block;
  font-size: .8rem;
  margin-bottom: 0;
  padding: 10px;
  text-align: center;
  width: 100%;
}

img{
  vertical-align: middle;
}

li{
  position: relative;
  padding-left: 30px;
  line-height: 1.5rem;
  padding: 5px 5px 5px 10px;
}
table{
  margin: 10px auto;
  width: 100%;
}

table th{
  /*white-space:nowrap;*/
  min-width: 60px;
}

table th, table td{
  padding: 12px 12px;
  background-color:rgba(255,255,255,0.65);
  border-collapse: separate;
  border-spacing: 5px;
}

.table_sub table {
  font-size:.93rem;
}

.table-border{
  border: 1px solid #a1ddf6;
  border-collapse: separate;
}

.table-border th,
.table-border td {
  background-color:rgba(255,255,255,0.5);
  border: none;
}

.table-border th{
  background-color: #dbf6fc;
}

/* id, class */
#bgimage {
  position: relative;
  min-height: 100svh;
}

#bgimage::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("../img/bg.png") center / cover no-repeat;
  filter: blur(7px);
  pointer-events: none;
  transform: scale(1.01);
  z-index: -1;
}

.hgroup{
  margin: 50px auto 10px auto;
  text-align: center;
}
.hgroup h2{
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 500;
}
.hgroup p{
  color: var(--blue-800);
  font-size: .95rem;
}

.wrapper{
  margin: 0 auto;
  padding: 8px;
  max-width: 980px;
  width: 93%;
}

.main{
  margin: 0 auto;
  max-width: 540px;
  width: 100%;
}

.note{
  background-color:rgba(255,255,255,0.8);
  padding: 0 20px;
}
.note p{
  padding: 14px;
}
.note h3{
  margin-bottom: 20px;
  margin-top: 20px;
}

.marker {
  background: linear-gradient(
    transparent 80%,
    var(--color-warning) 20%
  );
}

.icon-pdf {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-image: url("../img/pdf24.webp");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  vertical-align: -4px;
}

/*to top*/
.to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-600);
  color: var(--gray-000);
  border-radius: 50%;
  text-decoration: none;
  font-size: 20px;
  opacity: 0;
  pointer-events: none;
  transition:
    var(--transition-opacity),
    var(--transition-shadow);
}
.to-top.show {
  display:flex;
  opacity: var(--opacity-off);
  pointer-events: auto;
}
.to-top:visited, .to-top:link, .to-top:hover, .to-top:focus{
  color: var(--gray-000);
}
.to-top:hover{
  opacity: var(--opacity-on);
  box-shadow: var(--shadow);
}


/*box*/
.box{
  background-color:rgba(255,255,255,0.8);
  border: 3px solid var(--color-info);
  border-radius: var(--radius-box);
  padding: 15px;
  margin-bottom: 15px;
}
.box-center{
  margin-left:auto;
  margin-right:auto;
  padding-bottom: 10px;
  text-align: center;
  width: 100%;
}
.box-content{
  padding-bottom: 10px;
  position: relative;
}
.icon-info{
  color: var(--gray-000);
}
.icon-warning{
  color: var(--color-warning);
}


/* button */
a.btn{
  background-color: var(--color-info);
  border-radius: var(--radius-btn);
  color: var(--gray-000);
  display: inline-block;
  font-size: .85rem;
  padding:  7px 25px;
  text-decoration:  none;
  opacity: var(--opacity-off);
  transition:
    var(--transition-opacity),
    var(--transition-shadow);
}
a.btn:link, a.btn:hover, a.btn:focus{
  color: var(--gray-000);
}

a.btn:hover{
  color: var(--gray-000);
  opacity: var(--opacity-on);
  box-shadow: var(--shadow);
}

a.btn.btn-db {
  border-radius: var(--radius-btn);
  font-size: 1.15rem;
  padding:  17px 25px;
  color: var(--gray-000);
  opacity: var(--opacity-off);
  transition:
    var(--transition-opacity),
    var(--transition-shadow);
  background: linear-gradient(
    135deg,
    var(--blue-500) 50%,
    var(--blue-600) 50%
  );
}

a.btn.btn-db:hover {
  color: var(--gray-000);
  opacity: var(--opacity-on);
}
a.btn.btn-db i {
  pointer-events: none;
  margin-right: 10px;
}
a.btn.btn-db.disabled {
  color: var(--gray-000);
  pointer-events: none;   
  cursor: not-allowed;
  background: linear-gradient(
    135deg,
    var(--gray-400) 50%,
    var(--gray-500) 50%
  );
}


/*offcampus*/
.offcampus .box{
  background-color: rgb(var(--color-info-rgb) / 0.7);
  color: var(--gray-000);
  margin-bottom: 20px;
}
.offcampus{
  display: none;
  width:100%;
}
.offcampus a.btn{
  background-color: var(--gray-000);
  font-weight: bold;
  color: var(--color-info);
}
.offcampus.show{
 display: inline-block;
}


/* search */
#searchbox{
  margin-bottom: 15px;
}
.search-row{
  box-sizing: border-box;
  position: relative;
  background-color: var(--gray-000);
  padding: 5px 10px;
  border-radius: var(--radius-btn);
  height: 2.8rem;
  width: 100%;
  transition: var(--transition-shadow);
  margin-bottom: 15px;
}
.search-row input[type="text"]{
  border: none;
  height: 2.2rem;
  max-width: 440px;
  width: 93%;
  border-radius: var(--radius-btn);
  padding: 0 10px 0 10px;
  box-sizing: border-box;
}
.search-row input[type="text"]:focus {
  outline: none;
}
.search-row button {
  cursor: pointer;
  font-weight: 900;
  border: none;
  border-radius: var(--radius-btn);
  color: var(--gray-000);
  outline : none;
  width: 2.4rem;
  height: 2.4rem;
  position: absolute;
  right: 0.3rem;
  top: 50%;   
  transform: translateY(-50%); 
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-opacity);
  opacity: 0.85;
  background: linear-gradient(
    135deg,
    var(--blue-500) 50%,
    var(--blue-600) 50%
  );
}
.search-row button i {
  pointer-events: none;
}
.search-row button:hover{
  opacity: var(--opacity-on);
}
.search-row:hover{
  box-shadow: var(--shadow);
}

#close{
  color: var(--blue-500);
  cursor: pointer;
  font-size: 1.8rem;
  position: absolute;
  right: 3rem;
  top: 0;
  transition: var(--transition-color);
}
#close:hover{
  color: var(--blue-600);
}

input[type=checkbox] {
  display: none;
}
label{
  font-weight: bold;
}
.checkbox01 {
  box-sizing: border-box;
  cursor: pointer;
  display: inline-block;
  padding: 5px 28px;
  position: relative;
  width: auto;
  transition:var(--transition-shadow);
}
.checkbox01::before {
  background: var(--gray-000);
  border: 2px solid var(--blue-500);
  border-radius: var(--radius-box);
  content: '';
  display: block;
  height: 20px;
  left: 5px;
  margin-top: -8px;
  position: absolute;
  top: 40%;
  width: 20px;
}
.checkbox01::after {
  border-right: 6px solid var(--blue-700);
  border-bottom: 3px solid var(--blue-700);
  content: '';
  display: block;
  height: 25px;
  left: 13px;
  margin-top: -16px;
  opacity: 0;
  position: absolute;
  top: 45%;
  transform: rotate(45deg) translate3d(0,2px,0) scale3d(.7,.7,1);
  transition: transform .1s ease-in-out, opacity .1s ease-in-out;
  width: 9px;
}
input[type=checkbox]:checked + .checkbox01::before {
    border-color: var(--blue-700);
}
input[type=checkbox]:checked + .checkbox01::after {
    opacity: var(--opacity-on);
    transform: rotate(45deg) scale3d(1,1,1);
}

/* for Chrome */
.search-row input[type="text"]:-webkit-autofill,
.search-row input[type="text"]:-webkit-autofill:hover,
.search-row input[type="text"]:-webkit-autofill:focus {
  -webkit-text-fill-color: inherit;
  box-shadow: 0 0 0 1000px var(--gray-000) inset;
  border-radius: var(--radius-btn);
  transition: background-color 9999s ease-out 0s;
}


/* search from off campus */
.search-container.disabled{
  color:  var(--gray-600);
}
.search-container.disabled input[type="text"],
.search-container.disabled .search-row{
  background-color: var(--gray-300);
  pointer-events : none;
}
.search-container.disabled button {
  pointer-events : none;
  cursor: not-allowed; 
  background: linear-gradient(
    135deg,
    var(--gray-400) 50%,
    var(--gray-500) 50%
  );
}
.disabled .checkbox01, input[type="checkbox"]:disabled + .checkbox01{
  color: var(--gray-600);
  pointer-events : none;
}
.disabled .checkbox01::before ,input[type="checkbox"]:disabled + .checkbox01::before{
  background: var(--gray-300);
  border-color: var(--gray-500);
  pointer-events : none;
}


/* heading */
.heading-design{
  position: relative;
  padding-bottom:20px;
}
.heading-design::before{
  content: "";
  position: absolute;
  bottom: 12px;
  width: 35px;
  height: 3px;
  background: var(--blue-600);
  left: 0;
  right: 0;
  margin-inline: auto;
}


/* modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.modalbox {
  background: white;
  padding: 20px;
  border-radius: var(--radius-box);
  text-align: center;
}
.modalbox a{
  display: inline-block;
}
.modalbox button{
  color: var(--gray-000);
  background-color: var(--blue-700);
  border:0;
  border-radius: var(--radius-box);
  padding: 5px 10px;
  opacity: var(--opacity-off);
  margin-bottom: 15px;
  transition:
    var(--transition-opacity),
    var(--transition-shadow);
}
.modalbox button:hover{
  opacity: var(--opacity-on);
  box-shadow: var(--shadow);
}
.modal-head{
  border-bottom: 1px solid var(--gray-300);
  font-weight: bold;
  padding: 5px;
}
.modal-body{
  margin-top: 10px;
  margin-bottom: 10px;
}

.hide{
 display: none;
}
.show{
 display: inline-block;
}


/* feature */
.feature {
  padding-bottom: 50px;
}
.feature-inner {
  margin: 0 auto;
}
.feature-title {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 500;
  font-size: 1.5rem;
  text-align: center;
  position: relative;
}
.feature-title span{
  font-family: "Font Awesome 7 Free",system-ui, sans-serif;
  font-weight: 900;
  font-size: 2rem;  
}
.feature-title::before{
  content: "";
  display: block;
  width: 50px;
  height: 23px;
  margin: 0 auto -5px;
  background: url("../img/feature.png") no-repeat center / contain;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.feature-card {
  position: relative;
  background: var(--gray-000);
  display: block;
  text-decoration: none;
  padding: 20px 12px 15px 12px;
  border-radius: var(--radius-box);
  opacity: .85;
  transition:
    var(--transition-opacity),
    var(--transition-shadow);
}
.feature-card:hover{
  opacity: var(--opacity-on);
  box-shadow: var(--shadow);
}
.feature-card::after {
  content: "";
  font-family: "Font Awesome 7 Free";
  font-weight: 900;
  position: absolute;
  left: 5px;
  top: 10px;
  font-size: 70px;
  color: var(--blue-200);
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
}
.feature-card:nth-child(1)::after {
  content: "\f1ea"; /* newspapper */
  transform: rotate(90deg);
}
.feature-card:nth-child(2)::after {
  content: "\f002"; /* search */
}
.feature-card::before {
  content: "\f0d7";
  font-family: "Font Awesome 7 Free";
  font-weight: 900;
  color: var(--gray-000);
  font-size: .9rem;
  position: absolute;
  line-height: 1;
  bottom: -9px;
  left: 0;
  right: 0;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--blue-200);
}
.feature-card ul {
  list-style: none;
  padding-left: 15px;
  margin-bottom: 0;
  margin-top: 0;
}
.feature-card li {
  font-size: .95rem;
  position: relative;
  color: var(--gray-800);
  font-weight: bold;
}
.feature-card li i {
  position: absolute;
  left: -18px;
  top: 12px;
  color: var(--color-info);
}
.feature-head {
  position: relative;
  margin-bottom:10px;
}
.feature-head h3 {
  font-size: 1rem;
  color: var(--blue-800);
  margin-bottom: 10px;
  border: 0;
  min-height: 3.4rem;
  align-items: center;
  justify-content: center;
  display: flex;
}
.feature-head::after{
  content: "";
  position: absolute;
  bottom: 12px;
  width: 35px;
  height: 3px;
  background: var(--blue-200);
  left: 0;
  right: 0;
  margin-inline: auto;
}
.feature-content {
  display: flex;
}
.feature-icon {
  display: none;
  font-size: 4.4rem;
  line-height: 6rem;
  color: var(--blue-200);
  flex-shrink: 0;
  margin-right: 0;
}


@media screen and (min-width: 768px) {
  h1{
    font-size: 2.4rem;
    margin-bottom: 40px;
  }
  h2{
    font-size: 1.2rem;
  }
  a.btn{
    font-size: 1rem;
  }
  table th{
    white-space:nowrap;
  }
  .hgroup{
    margin-top: 60px;
    margin-bottom: 10px;
  }
  .main{
    max-width: 720px;
  }
  .newline{
    display: block;
  }
  .note{
    padding-left: 50px;
    padding-right: 50px;
  }
  .search-row input[type="text"]{
    max-width: 640px;
  }
  .to-top {
    bottom: 40px;
  }
  a.btn.btn-db{
    font-size: 1.25rem;
  }
  .feature-grid {
    gap: 20px;
  }
  .feature-card {
    padding-bottom: 20px;
  }
  .feature-head {
    margin-bottom:5px;
  }
  .feature-head h3 {
    min-height: auto;
    font-size: 1.15rem;
  }
  .feature-title {
    font-size: 1.7rem;
    margin-bottom: 32px;
  }  
  .feature-icon {
    display: block;
    margin-right: 15px;
  }
  .feature-card li i {
    left: -23px;
  }
  .feature-card::after{
    display: none;
  }
}