html {
    max-width: 100%;
    font-size: 16px;
    font-family:"Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
}

p {
    line-height: 2.2;
    font-size: 16px;
}

main {
    width: 100%;
    margin: 0 auto;
}

a:hover {
    opacity: 0.65;
    transition: .7s;
}

:root {
    --white: #fff;
    --orange: #f08300;
    --dark-gray: #333333;
    --blue: #005bac;
    --light-blue: #ccdeee;
}

.pt10 {
    padding-top: 10px;
}

.pt20 {
    padding-top: 20px;
}

.pt30 {
    padding-top: 30px;
}

.pt40 {
    padding-top: 40px;
}

.pt50 {
    padding-top: 50px;
}

.pb10 {
    padding-bottom: 10px;
}

.pb20 {
    padding-bottom: 20px;
}

.pb30 {
    padding-bottom: 30px;
}

.pb40 {
    padding-bottom: 40px;
}

.pb50 {
    padding-bottom: 50px;
}

.mt10 {
    margin-top: 10px;
}

.mt20 {
    margin-top: 20px;
}

.mt30 {
    margin-top: 30px;
}

.mt40 {
    margin-top: 40px;
}
.mt50 {
    margin-top: 50px;
}

.mb10 {
    margin-bottom: 10px;
}

.mb20 {
    margin-bottom: 20px;
}

.mb30 {
    margin-bottom: 30px;
}

.mb40 {
    margin-bottom: 40px;
}
.mb50 {
    margin-bottom: 50px;
}

.center {
    text-align: center;
}

.flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reverse {
    flex-direction: row-reverse;
}

.pc_only {
    display: block;
}

.sp_only {
    display: none;
}

header .flex a {
    color: var(--white);
    text-align: center;
    padding: 20px;
    font-weight: 600;
    line-height: 1.3;
}

header .flex a:first-of-type {
    background: var(--orange);
}

header .flex a:last-of-type {
    background: var(--dark-gray);
}

header {
    margin-left: 3rem;
}

header h2 a {
        background: none !important;
}

.hero_area {
    position: relative;
    background-image: url(../img/hero_image.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    padding-bottom: 37rem;
    z-index: 1;
}

.hero_area::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(125 201 255 / 20%);
    z-index: -1;
}

.hero_tit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.hero_tit h1 {
    color: var(--white);
    line-height: 1.3;
    font-size: 4.4em;
    font-weight: 800;
    text-shadow: 2px 4px 6px rgba(51, 51, 51, 0.6);
}

.hero_tit h1 span {
    font-size: 0.45em;
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
}

.h3_tit h3 {
    display: flex;
    justify-content: center;
    align-items: center; 
}

.hero_tit h1 span::after,
.hero_tit h1 span::before {
  width: 2px;
  height: 28px;
  content: "";
  background: var(--white);
}

.h3_tit h3::after,
.h3_tit h3::before {
  width: 1px;
  height: 28px;
  content: "";
  background: var(--dark-gray);
}

.hero_tit h1 span::before,
.h3_tit h3::before {
  margin-right: 0.4em;
  transform: rotate(-30deg);
}

.hero_tit h1 span::after,
.h3_tit h3::after {
  margin-left: 0.4em;
  transform: rotate(30deg);
}

.wrap {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.about_inner {
    padding: 80px 0;
}

.about_inner div h3 {
    font-size: 1.3em;
    padding-bottom: 1.5rem;
}

.about_inner.flex {
    justify-content: space-around;
}

.circle_text {
    position: relative;
    background: var(--light-blue);
    text-align: center;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin-bottom: 60px;
}

.about_inner p {
    color: var(--blue);
    line-height: 1.5;
}

.speech_bubble_text {
    position: relative;
    display: inline-block;
    margin: 1.5em 0;
    padding: 0 5px;
    width: 140px;
    height: 140px;
    line-height: 90px;
    text-align: center;
    color: var(--blue);
    background: var(--light-blue);
    border-radius: 50%;
    box-sizing: border-box;
    right: 20px;
}

.speech_bubble_text::before {
    content: "";
    position: absolute;
    bottom: 4px;
    right: -10px;
    margin-top: 0px;
    border: 8px solid transparent;
    border-left: 25px solid var(--light-blue);
    z-index: 0;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

.circle_text p,
.speech_bubble_text p {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.right .speech_bubble_text {
    right: -20px;
}

.right .speech_bubble_text::before {
    -webkit-transform: rotate(140deg);
    transform: rotate(140deg);
    right: 115px;
}

.top_tit {
    width: 100vw;
    margin-left:calc(-50vw + 50%);
    box-sizing: border-box;
    background: var(--blue);
    text-align: center;
    padding: 30px;
    margin-bottom: 100px;
}

.top_tit h2 {
    font-size: 1.9em;
    color: var(--white);
    font-weight: 600;
}

.top_tit.subtitle {
    width: 100%;
    margin: 0 auto;
    position: relative;
    background: var(--orange);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 2.2rem;
}

.top_tit.subtitle::before {
    content: "";
    width: 0;
    height: 0;
    position: absolute;
    top: 100%;
    left: 55%;
    margin: 0 0 0 -55px;
    border: 10px solid transparent;
    border-top-color: var(--orange);
}

.top_tit.subtitle h3 {
    color: var(--white);
    font-size: 1.3em;
    font-weight: 600;
}

.top_tit.subtitle.blue {
    background: var(--blue);
}

.top_tit.subtitle.blue::before {
    border-top-color: var(--blue);
}

.system_inner .system_box {
    border: solid 2px var(--blue);
    margin-bottom: 2rem;
}

.system_inner .system_box dt {
    color: var(--blue);
}

.system_box {
    border: solid 2px var(--orange);
    border-radius: 10px;
    padding: 30px 40px;
    margin-bottom: 3.1rem;
}

.system_box dl {
    width: 78%;
    margin-right: 1.1rem;
}

.system_box dt {
    color: var(--orange);
    font-weight: 600;
    font-size: 1.5rem;
    padding-bottom: 1rem;
}

.system_box dt span {
    font-family: "roboto" , "san-selif";
    font-size: 3.4rem;
    font-weight: 500;
    margin-right: 10px;
}

.system_box dd {
    line-height: 2;
}

button a {
    position: relative;
    display: flex;
    width: 350px;
    background: var(--orange);
    color: var(--white);
    padding: 20px 20px;
    border-radius: 30px;
    margin-bottom: 25px;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    font-size: 1.1em;
}

button a img {
    position: absolute;
    right: 20px;
}

.system_inner button {
    display: flex;
    margin: 3.1rem auto;
}

.reserv_tit h3 {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--blue);
    margin-bottom: 2rem;
}

.video_box {
    margin-bottom: 5rem;
}

.video_box iframe {
    width: 100%;
    height: 30rem;
}

.points_box {
    border-top: solid 4px var(--blue);
    border-bottom: solid 4px var(--blue);
    background: var(--light-blue);
    margin-bottom: 8rem;
    padding: 3.1rem 4rem 3.5rem;
}

.points_box .reserv_tit h3 {
    margin-bottom: 2.5rem;
}

.points_box ul li span {
    color: var(--blue);
    padding-right: 0.5rem;
}

.points_box ul li {
    padding-bottom: 1.57rem;
}

.points_box ul li:last-of-type {
    padding-bottom: 0;
}

.property_inner {
    margin-bottom: 8rem;
}

.property_box {
    width: 32%;
}

.property_box div img {
    border-radius: 10px;
    width: 100%;
    margin-bottom: 1rem;
}

.property_box div h3 {
    font-size: 1.3em;
    font-weight: 500;
    padding-bottom: 1rem;
    border-bottom: dotted 4px var(--dark-gray);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.property_box p {
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.property_box button {
    width: 100%;
}

.property_box button a {
    width: 100%;
    padding: 17px 20px;
}

footer {
    background: var(--blue);
    padding-top: 60px;
}

footer .top_tit {
    margin-bottom: 30px;
}

footer .flex.column{
    flex-direction: column;
    border-right: solid 2px var(--white);
    padding-right: 8%;
}

.address_box {
    color: var(--white);
}

address {
    line-height: 1.8;
}

.address_box img {
    padding-bottom: 10px;
}

.flex.column button:nth-of-type(2) a {
    background: var(--white);
    color: var(--blue);
}

.flex.column button:nth-of-type(3) a {
    background: var(--dark-gray);
}

.footer_tel a {
    font-size: 3em;
    font-weight: 600;
    line-height: 1.2;
    font-family: "roboto" , "san-selif";
}

.footer_copy {
    background: var(--dark-gray);
    padding: 20px;
    text-align: center;
    margin-top: 100px;
}

.footer_copy small {
    color: var(--white);
}

@media (max-width: 768px) {
    .pc_only {
        display: none;
    }
    .sp_only {
        display: block;
    }
    header .flex,
    .about_inner .flex {
        display: flex;
    }
    header {
        margin-left: 0rem;
    }
    header .flex a {
        padding: 15px 10px;
        font-size: 0.88em;
    }
    nav {
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 2;
        background: #fff;
    }
    nav img {
        width: 120px;
    }
    .hero_area {
        background-image: url(../img/hero_image_sp.jpg);
    }
    .wrap {
        padding: 0 4.5%;
    }
    .flex {
        display: block;
    }
    .hero_tit {
        width: 100%;
        padding: 0 3.5%;
    }
    .hero_tit h1 {
        font-size: 2.5em;
    }

    .top_tit h2 {
        font-size: 1.6em;
    }
    .top_tit {
        padding: 23px;
        margin-bottom: 70px;
    }
    .flex.about_inner {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }
    .about_inner .center {
        order: 1;
    }
    .about_inner {
        padding: 60px 0;
    }
    .about_inner .left {
        order: 2;
        align-items: initial;
        margin-right: auto;
    }
    .about_inner .right {
        order: 3;
        margin-left: auto;
        align-items: initial;
        margin-top: -45px;
    }
    .circle_text {
        margin-bottom: 0;
    }
    .speech_bubble_text::before {
        bottom: 142px;
        right: 30px;
        -webkit-transform: rotate(-70deg);
        transform: rotate(-70deg);
    }
    .right .speech_bubble_text::before {
        -webkit-transform: rotate(270deg);
        transform: rotate(270deg);
        right: 69px;
        bottom: 144px;
    }
    .top_tit.subtitle::before {
        left: 60%;
        margin: 0px 0 0 -50px;
    }
    .system_box dl {
        width: 100%;
        margin-right: 0;
        text-align: center;
    }
    .system_box {
        padding: 30px 15px 40px;
    }
    .system_box dl {
        padding-bottom: 2rem;
    }
    .system_box img {
       display: flex;
       margin: 0 auto;
    }
    .points_box {
        margin-bottom: 6rem;
        padding: 3.1rem 1.5rem 3.5rem;
    }
    .points_box ul li {
        padding-bottom: 1.57rem;
        line-height: 1.6;
    }
    .points_box .reserv_tit h3 {
        margin-bottom: 1.8rem;
    }
    .property_box {
        width: 100%;
    }
    .property_inner {
        margin-bottom: 4rem;
    }
    .video_box iframe {
        height: 16rem;
    }
    footer .top_tit {
        margin-bottom: 20px;
    }
    footer .flex.column {
        border-right: none;
        padding-right: 0;
        margin-bottom: 2rem;
    }
    button a,
    button {
        width: 100%;
    }
    .footer_tel a {
        font-size: 2.5em;
        line-height: 1.5;
    }
    .footer_copy {
        background: var(--dark-gray);
        padding: 20px;
        text-align: center;
        margin-top: 80px;
    }
}

@media (max-width:391px) {
    .video_box iframe {
        height: 14rem;
    }
}