.main_img {
  margin-bottom: 40px;
}
@media screen and (min-width: 641px) {
  .main_img {
    display: block;
  }
}
@media screen and (max-width: 640px) {
  .main_img {
    display: none;
  }
}
.main_img img {
  width: 100%;
  height: auto;
}

.main_img_sp {
  margin-bottom: 20px;
}
@media screen and (min-width: 641px) {
  .main_img_sp {
    display: none;
  }
}
@media screen and (max-width: 640px) {
  .main_img_sp {
    display: block;
  }
}
.main_img_sp img {
  width: 100%;
  height: auto;
}

.interphone_sp {
  width: 1000px;
  margin: auto;
  padding: 3%;
  box-sizing: border-box;
}
@media screen and (max-width: 640px) {
  .interphone_sp {
    width: 100%;
  }
}
.interphone_sp h2 {
  font-size: 1.3em;
  font-weight: 500;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid #ccc;
}
@media screen and (max-width: 640px) {
  .interphone_sp h2 {
    margin-bottom: 20px;
    padding-bottom: 10px;
  }
}
.interphone_sp .box01 {
  width: 100%;
  margin-bottom: 40px;
}
.interphone_sp .box01:after {
  content: "";
  display: block;
  clear: both;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box01 {
    text-align: left;
  }
}
.interphone_sp .box01 .tbox {
  width: 55%;
  float: left;
  font-size: 1.1em;
  line-height: 1.8em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box01 .tbox {
    width: 100%;
    float: none;
    margin-bottom: 10px;
  }
}
.interphone_sp .box01 .tbox span {
  display: block;
  font-size: 2.0em;
  line-height: 1.4em;
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 4px;
  color: #0C69D0;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box01 .tbox span {
    font-size: 1.3em;
  }
}
.interphone_sp .box01 .ibox {
  width: 45%;
  float: right;
  text-align: right;
}
.interphone_sp .box01 .ibox img {
  max-width: 100%;
  height: auto;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box01 .ibox {
    width: 100%;
    float: none;
    margin-bottom: 10px;
    text-align: center;
  }
}
.interphone_sp .box02 {
  background: url(../_img/contents/interphone/box02_bg.jpg);
  padding: 3%;
  margin-bottom: 40px;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box02 {
    padding: 8% 5%;
  }
}
.interphone_sp .box02:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .box02 .ibox {
  width: 30%;
  float: left;
}
.interphone_sp .box02 .ibox img {
  max-width: 100%;
  height: auto;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box02 .ibox {
    width: 100%;
    margin-bottom: 15px;
  }
}
.interphone_sp .box02 .tbox {
  width: 70%;
  float: right;
  line-height: 1.6em;
  font-size: 1.1em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box02 .tbox {
    width: 100%;
    margin-bottom: 15px;
    text-align: left;
  }
}
.interphone_sp .box02 .tbox span:nth-of-type(1) {
  display: block;
  font-size: 1.7em;
  font-weight: bold;
  color: #FF6600;
  margin-bottom: 15px;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box02 .tbox span:nth-of-type(1) {
    font-size: 1.2em;
  }
}
.interphone_sp .box02 .tbox span:nth-of-type(2) {
  display: block;
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.4em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .box02 .tbox span:nth-of-type(2) {
    font-size: 1.2em;
  }
}
.interphone_sp .function_box {
  margin-bottom: 40px;
  letter-spacing: -1.0em;
}
.interphone_sp .function_box h2 {
  letter-spacing: normal;
}
.interphone_sp .function_box .box {
  letter-spacing: normal;
  width: 22%;
  margin-right: 1%;
  display: inline-block;
  padding: 15px 10px;
  border-radius: 100px;
  background: #000;
  color: #fff;
  text-align: center;
}
@media screen and (max-width: 640px) {
  .interphone_sp .function_box .box {
    width: 44%;
    margin-bottom: 10px;
  }
}
.interphone_sp .function_box .box.orange {
  background: #F96E1C;
}
.interphone_sp .function_box .box.blue {
  background: #00CCFF;
}
.interphone_sp .high_function {
  background: #FFDBA4;
  padding: 5% 3% 0px 3%;
  margin-bottom: 40px;
}
.interphone_sp .high_function:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .high_function .icon {
  width: 15%;
  float: left;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .icon {
    width: 100%;
    float: none;
  }
}
.interphone_sp .high_function .icon h2 {
  width: 100%;
  height: 130px;
  text-align: center;
  padding: 55px 0px;
  box-sizing: border-box;
  background: #F96E1C;
  color: #fff;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .icon h2 {
    height: auto;
    padding: 10px 0px;
  }
}
.interphone_sp .high_function .text {
  width: 80%;
  float: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .text {
    width: 100%;
    float: none;
  }
}
.interphone_sp .high_function .text h3 {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.3em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .text h3 {
    font-size: 1.3em;
    text-align: left;
  }
}
.interphone_sp .high_function .text .row {
  margin-bottom: 30px;
}
.interphone_sp .high_function .text .row:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .high_function .text .row .ibox {
  width: 30%;
  float: left;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .text .row .ibox {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_function .text .row .ibox img {
  max-width: 100%;
}
.interphone_sp .high_function .text .row .tbox {
  width: 65%;
  float: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .text .row .tbox {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_function .text .row .tbox span {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
}
.interphone_sp .high_function .text .voice .fukidashi {
  width: 70%;
  float: left;
  padding: 30px 20px;
  border-radius: 20px;
  background: #fff;
  box-sizing: border-box;
  line-height: 1.5em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .text .voice .fukidashi {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_function .text .voice .chara {
  width: 30%;
  float: right;
  text-align: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_function .text .voice .chara {
    width: 100%;
    float: none;
    text-align: center;
  }
}
.interphone_sp .high_function .text .voice .chara img {
  max-width: 100%;
}
.interphone_sp .high_security {
  background: #ACDEEE;
  padding: 5% 3% 0px 3%;
  margin-bottom: 40px;
}
.interphone_sp .high_security:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .high_security .icon {
  width: 15%;
  float: left;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .icon {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_security .icon h2 {
  width: 100%;
  height: 130px;
  text-align: center;
  padding: 55px 0px;
  box-sizing: border-box;
  background: #00CCFF;
  color: #fff;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .icon h2 {
    height: auto;
    padding: 10px 0px;
  }
}
.interphone_sp .high_security .text {
  width: 80%;
  float: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .text {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_security .text h3 {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.3em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .text h3 {
    font-size: 1.3em;
    text-align: left;
  }
}
.interphone_sp .high_security .text .row {
  margin-bottom: 30px;
}
.interphone_sp .high_security .text .row:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .high_security .text .row .ibox {
  width: 30%;
  float: left;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .text .row .ibox {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_security .text .row .ibox img {
  max-width: 100%;
}
.interphone_sp .high_security .text .row .tbox {
  width: 65%;
  float: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .text .row .tbox {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_security .text .row .tbox span {
  display: block;
  margin-bottom: 10px;
  font-weight: bold;
}
.interphone_sp .high_security .text .voice .fukidashi {
  width: 70%;
  float: left;
  padding: 30px 20px;
  border-radius: 20px;
  background: #fff;
  box-sizing: border-box;
  line-height: 1.5em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .text .voice .fukidashi {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .high_security .text .voice .chara {
  width: 30%;
  float: right;
  text-align: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .high_security .text .voice .chara {
    width: 100%;
    float: none;
    text-align: center;
  }
}
.interphone_sp .high_security .text .voice .chara img {
  max-width: 100%;
}
.interphone_sp .option {
  margin-bottom: 40px;
}
.interphone_sp .option:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .option .ibox {
  width: 20%;
  float: left;
}
@media screen and (max-width: 640px) {
  .interphone_sp .option .ibox {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .option .ibox h2 {
  width: 75%;
  height: 140px;
  text-align: center;
  padding: 55px 0px;
  box-sizing: border-box;
  background: #0C69D0;
  color: #fff;
}
@media screen and (max-width: 640px) {
  .interphone_sp .option .ibox h2 {
    width: 100%;
    height: auto;
    padding: 10px 0px;
  }
  .interphone_sp .option .ibox h2 br {
    display: none;
  }
}
.interphone_sp .option .tbox {
  width: 65%;
  float: left;
}
@media screen and (max-width: 640px) {
  .interphone_sp .option .tbox {
    width: 100%;
    float: none;
    margin-bottom: 15px;
  }
}
.interphone_sp .option .tbox > span {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.3em;
  color: #0C69D0;
  display: block;
}
.interphone_sp .option .tbox .row {
  margin-bottom: 30px;
}
.interphone_sp .option .tbox .row:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .option .tbox .row .box {
  width: 48%;
  float: left;
}
.interphone_sp .option .tbox .row .box:nth-of-type(1) {
  margin-right: 4%;
}
.interphone_sp .option .tbox .row .box span {
  display: block;
  font-size: 1.2em;
  font-weight: bold;
  margin-bottom: 10px;
}
.interphone_sp .option .phone_img {
  width: 15%;
  float: right;
  text-align: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .option .phone_img {
    display: none;
  }
}
.interphone_sp .lineup {
  margin-bottom: 40px;
}
@media screen and (max-width: 640px) {
  .interphone_sp .lineup {
    text-align: left;
  }
}
.interphone_sp .lineup:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .lineup .tbox {
  width: 48%;
  float: left;
  font-size: 1.5em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .lineup .tbox {
    width: 100%;
    margin-bottom: 10px;
    font-size: 1.3em;
  }
}
.interphone_sp .lineup .tbox span {
  display: block;
  padding-top: 12px;
  color: #0C69D0;
  font-weight: bold;
}
.interphone_sp .lineup .ibox {
  width: 48%;
  float: right;
  text-align: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .lineup .ibox {
    width: 100%;
    margin-bottom: 10px;
  }
}
.interphone_sp .lineup .ibox img {
  max-width: 100%;
}
.interphone_sp .case {
  margin-bottom: 40px;
}
.interphone_sp .case:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .case .sbox {
  width: 48%;
  float: left;
  margin-right: 4%;
  padding: 4%;
  box-sizing: border-box;
  border: 1px solid #ccc;
}
@media screen and (max-width: 640px) {
  .interphone_sp .case .sbox {
    width: 100%;
    margin-bottom: 10px;
  }
}
.interphone_sp .case .sbox:nth-of-type(2n) {
  margin-right: 0;
}
.interphone_sp .case .sbox img {
  max-width: 100%;
  margin-bottom: 15px;
  display: block;
}
.interphone_sp .flow {
  margin-bottom: 40px;
}
.interphone_sp .flow > span {
  font-size: 1.5em;
  font-weight: bold;
  display: block;
  margin-bottom: 30px;
  color: #0C69D0;
}
.interphone_sp .flow .row:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .flow .row .sbox {
  width: 20%;
  float: left;
  margin-right: 2%;
  margin-bottom: 20px;
  position: relative;
}
@media screen and (max-width: 640px) {
  .interphone_sp .flow .row .sbox {
    width: 44%;
    margin-bottom: 10px;
    text-align: left;
  }
}
.interphone_sp .flow .row .sbox span {
  display: block;
  padding: 15px 10px;
  background: #0C69D0;
  text-align: center;
  font-size: 1.2em;
  font-weight: bold;
  color: #fff;
  margin-bottom: 15px;
  border-radius: 10px;
}
.interphone_sp .flow .row .sbox .number {
  position: absolute;
  left: -10px;
  top: -10px;
  width: 25px;
  height: 25px;
  border-radius: 100px;
  font-size: 0.8me;
  background: #fff;
  border: 2px solid #0C69D0;
  text-align: center;
  color: #0C69D0;
  line-height: 25px;
}
.interphone_sp .flow .row .sbox img {
  max-width: 100%;
  height: auto;
}
.interphone_sp .flow .row .rbox {
  width: 4%;
  float: left;
  padding-top: 15px;
  display: block;
}
@media screen and (max-width: 640px) {
  .interphone_sp .flow .row .rbox {
    width: 2%;
  }
}
.interphone_sp .flow .row .rbox img {
  max-width: 100%;
  height: auto;
}
.interphone_sp .mtg {
  border: 1px solid #ccc;
  margin-bottom: 40px;
}
.interphone_sp .mtg:after {
  content: "";
  display: block;
  clear: both;
}
.interphone_sp .mtg .tbox {
  width: 60%;
  float: left;
  padding: 5%;
  box-sizing: border-box;
}
@media screen and (max-width: 640px) {
  .interphone_sp .mtg .tbox {
    width: 100%;
    float: none;
  }
}
.interphone_sp .mtg .tbox span {
  display: block;
  margin-bottom: 20px;
  color: #3C60CD;
  font-size: 1.6em;
  line-height: 1.3em;
  font-weight: bold;
}
@media screen and (max-width: 640px) {
  .interphone_sp .mtg .tbox span {
    font-size: 1.3em;
    text-align: left;
  }
}
.interphone_sp .mtg .ibox {
  width: 40%;
  float: right;
  text-align: right;
}
@media screen and (max-width: 640px) {
  .interphone_sp .mtg .ibox {
    width: 100%;
    float: none;
  }
}
.interphone_sp .mtg .ibox img {
  max-width: 100%;
  height: auto;
}
.interphone_sp .matome {
  margin-bottom: 60px;
  text-align: center;
}
.interphone_sp .matome img:nth-of-type(1) {
  margin-right: 30px;
}
@media screen and (max-width: 640px) {
  .interphone_sp .matome img {
    width: 80%;
  }
  .interphone_sp .matome img:nth-of-type(1) {
    margin-right: 0px;
    margin-bottom: 15px;
  }
}
.interphone_sp .contact_box {
  margin-bottom: 60px;
  border: 1px solid #0B47B7;
}
.interphone_sp .contact_box h2 {
  padding: 40px 10px;
  text-align: center;
  font-size: 1.8em;
  color: #fff;
  margin-bottom: 0px;
  background: #0B47B7;
}
@media screen and (max-width: 640px) {
  .interphone_sp .contact_box h2 {
    font-size: 1.3em;
    padding: 20px 10px;
  }
}
.interphone_sp .contact_box .row {
  padding: 3% 5%;
  text-align: center;
  font-weight: bold;
}
.interphone_sp .contact_box .row span {
  display: block;
  margin-bottom: 30px;
  font-size: 2.0em;
  color: #0B47B7;
  border-radius: 100px;
  margin-right: 20px;
  vertical-align: middle;
}
@media screen and (max-width: 640px) {
  .interphone_sp .contact_box .row span {
    font-size: 1.3em;
    line-height: 1.3em;
    margin-bottom: 10px;
  }
}
.interphone_sp .contact_box .row p {
  display: block;
  width: 70%;
  margin: auto;
  font-weight: bold;
  background: #ccc;
  border-radius: 100px;
  padding: 20px 0px;
  text-align: center;
  font-size: 1.2em;
}
@media screen and (max-width: 640px) {
  .interphone_sp .contact_box .row p {
    width: 100%;
    font-size: 0.8em;
  }
}