/*--------- first_view_section ---------*/
.fv {
  position: relative;
  width: 100%;
  height: 200px;
  margin: 0;
  overflow: hidden;
}

.fv .bg {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background-image: url('img/kk1.jpg');
  background-position: 50% 60%;
  background-repeat: no-repeat;
  background-size: 150%;
}

.fv .line {
  position: absolute;
  background-color: rgb(255,255,255);
  width: 1px;
  height: 60px;
  top: 0;
  left: 60px;
  z-index: 1;
}

.fv .side {
  display: none;
}

@media screen and (min-width:560px) {
.fv {
  height: 220px;
}

.fv .bg {
  background-size: 130%;
}
}/*- 560px -*/

@media screen and (min-width:760px) {
.fv {
  height: 250px;
}

.fv .bg {
  background-size: 120%;
}
}/*- 760px -*/

@media screen and (min-width:960px) {
.fv {
  height: 300px;
}

.fv .bg {
  background-size: 115%;
  background-position: 50% 65%;
}

.fv .line {
  height: 100px;
  left: 100px;
}

.fv .side {
  display: block;
  position: absolute;
  top: 100px;
  left: 0;
  z-index: 1;
  width: 101px;
  height: calc( 300px - 100px);
  background-color: rgb(255,255,255);
  writing-mode: vertical-rl;
}

.fv .side p {
  line-height: 100px;
  text-align: center;
  font-size: 1.3rem;
  letter-spacing: 4px;
  font-weight: 400;
}
}/*- 960px -*/

@media screen and (min-width:1060px) {
.fv {
  height: 320px;
}

.fv .side {
  height: calc( 320px - 100px);
}
}/*- 1060px -*/

@media screen and (min-width:1160px) {
.fv .bg {
  background-size: 110%;
}
}/*- 1160px -*/

@media screen and (min-width:1260px) {
.fv {
  height: 340px;
}

.fv .bg {
  background-size: 105%;
}

.fv .side {
  height: calc( 340px - 100px);
}
}/*- 1260px -*/

@media screen and (min-width:1360px) {
.fv {
  height: 350px;
}

.fv .side {
  height: calc( 350px - 100px);
}
}/*- 1360px -*/

@media screen and (min-width:1560px) {
.fv {
  height: 380px;
}

.fv .side {
  height: calc( 380px - 100px);
}

.fv .side p {
  letter-spacing: 5px;
}
}/*- 1560px -*/

@media screen and (min-width:1760px) {
.fv {
  height: 400px;
}

.fv .side {
  height: calc( 520px - 100px);
}
}/*- 1760px -*/






















/*--------- contents_section ---------*/
.kk {
  margin: 80px auto 0;
  width: 100%;
}

.kk .item {
  width: 80%;
  margin: 0 auto;
}

.kk .item .ttl {
  width: 100%;
  padding-bottom: 20px;
  border-bottom: 1px solid rgb(210,210,210);
}

.kk .item .date {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--main-color);
}

.kk .item h3 {
  margin-top: 15px;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.6;
}

.kk .item .main {
  width: 100%;
  margin: 40px auto 0;
}

.kk .main p {
  margin-bottom: 30px;
  font-size: 1.4rem;
  letter-spacing: 0.5px;
  line-height: 1.7;
  text-align: justify;
}

.kk .main h1,
.kk .main h2,
.kk .main h3,
.kk .main h4,
.kk .main h5,
.kk .main h6 {
  margin-bottom: 30px;
  letter-spacing: 1px;
}

.kk .main figure {
  margin-bottom: 30px;
}

.kk .main a {
  display: inline;
  color: rgb(50,50,200);
  text-decoration: underline;
}

.kk .main ul {
  margin-bottom: 30px;
}

.kk .main li {
  margin-bottom: 5px;
  font-size: 1.4rem;
  letter-spacing: 0.5px;
}

@media screen and (min-width:560px) {
.kk {
  margin-top: 85px;
}

.kk .item {
  width: 75%;
}

.kk .item .ttl {
  padding-bottom: 25px;
}

.kk .item .date {
  font-size: 1.4rem;
}

.kk .item h3 {
  font-size: 2.0rem;
}

.kk .item .main {
  margin-top: 45px;
}

.kk .main p {
  font-size: 1.5rem;
}

.kk .main li {
  font-size: 1.5rem;
  letter-spacing: 1px;
}
}/*- 560px -*/

@media screen and (min-width:760px) {
.kk .item h3 {
  font-size: 2.1rem;
}
}/*- 760px -*/

@media screen and (min-width:960px) {
.kk {
  margin-top: 90px;
}

.kk .item {
  width: 70%;
}

.kk .item h3 {
  font-size: 2.2rem;
}

.kk .item .main {
  margin-top: 50px;
}
}/*- 960px -*/

@media screen and (min-width:1060px) {
.kk .item .ttl {
  padding-bottom: 30px;
}

.kk .item .date {
  font-size: 1.5rem;
}

.kk .item h3 {
  margin-top: 20px;
  font-size: 2.4rem;
}

.kk .item .main {
  margin-top: 55px;
}

.kk .main p {
  margin-bottom: 35px;
  font-size: 1.6rem;
  letter-spacing: 1px;
}

.kk .main h1,
.kk .main h2,
.kk .main h3,
.kk .main h4,
.kk .main h5,
.kk .main h6 {
  margin-bottom: 35px;
  letter-spacing: 2px;
}

.kk .main figure {
  margin-bottom: 35px;
}

.kk .main ul {
  margin-bottom: 35px;
}

.kk .main li {
  font-size: 1.6rem;
}
}/*- 1060px -*/

@media screen and (min-width:1160px) {
.kk .item {
  width: 65%;
}
}/*- 1160px -*/

@media screen and (min-width:1260px) {
.kk .item {
  width: 60%;
}

.kk .item h3 {
  font-size: 2.6rem;
}
}/*- 1260px -*/





























/*--------- contents_section ---------*/
.kb {
  margin: 90px auto 0;
  width: 100%;
}

.kb .btn {
  margin: 0 auto;
  width: 300px;
  height: 65px;
  border-radius: 32.5px;
  border: 1px solid rgb(0,0,0);
  overflow: hidden;
}

.kb .btn a {
  position: relative;
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 2px;
  line-height: 65px;
  text-align: center;
  color: rgb(0,0,0);
  transition: 0.3s;
}

.kb .btn:hover a {
  color: rgb(255,255,255);
}

.kb .btn a::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: rgb(0,0,0);
  transition: 0.4s;
  z-index: -1;
}

.kb .btn:hover a::before {
  left: 0;
}

@media screen and (min-width:560px) {
.kb {
  margin-top: 95px;
}
}/*- 560px -*/

@media screen and (min-width:960px) {
.kb {
  margin-top: 100px;
}

.kb .btn {
  width: 360px;
  height: 75px;
  border-radius: 37.5px;
}

.kb .btn a {
  font-size: 1.6rem;
  letter-spacing: 3px;
  line-height: 75px;
}
}/*- 960px -*/