@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;900&display=swap');

@charset "UTF-8";

/*----------------------
 * 1. GENERAL
 *   1.1  Margin
 *   1.2  Text
 *   1.3  Titles and Subtitles
 *   1.4  Buttons
 *   1.5 Other Elements
 *        1.5.1 side contact
 *        1.5.2 sns icon
 *        1.5.3 page top
 * 2. HEADER
 * 3. CONTENT
 * 4. FOOTER
 * 5. INTERACTIONS
 */

/*-------------------------------
 * 1.GENERAL
 * ----------------------------*/
html {
    font-size: 62.5%;
}
html,
body {
	overflow-x: hidden;
}
body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    padding: 0;
    font-size: 1.6rem;
	background: #fff;
	color: #000;
	line-height: 2;
	font-weight: 400;
	overflow: hidden;
}
@media (max-width: 1199px) {
    body {
        font-size: calc(13px + 5 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    body {
        line-height: 1.8;
    }
}

a {
    color: #b8e8ff;
    text-decoration: none;
    cursor: pointer;
}
a:hover {
    color: #b8e8ff;
    text-decoration: underline;
}
a:focus {
  outline: none !important;
  overflow: hidden;
  text-decoration: none;
}

a[href^="tel:"] {
	cursor: default;
	text-decoration: none;
}
a[href^="tel:"]:hover {
	text-decoration: none;
}
@media (max-width: 767px) {
	a[href^="tel:"] {
		cursor: pointer;
	}
}

.small {
    font-size: 1.4rem;
}
@media (max-width: 1199px) {
    .small {
        font-size: calc(11px + 3 * (100vw - 320px) / 879);
    }
}

ul,
ul li {
    margin: 0;
    padding: 0;
    list-style: none;
}

strong {
    font-weight: 600;
}

img {
    display: block;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.sp,
.md,
.sp-md,
.sp-md-lg,
.md-lg,
.lg {
	display: none !important;
}
.md-lg-pc,
.lg-pc,
.pc {
    display: block !important;
}
@media (max-width: 1199px) {
    .lg,
    .md-lg,
    .sp-md-lg {
        display: block !important;
    }
    .pc {
        display: none !important;
    }
}
@media (max-width: 991px) {
    .lg-pc,
    .lg,
    .sp-md-none {
        display: none !important;
    }
    .md,
    .sp-md {
        display: block !important;
    }
}
@media (max-width: 767px) {
    .sp {
        display: block !important;
    }
    .md-lg-pc,
    .md-lg,
    .lg,
    .md,
    .pc,
    .sp-none {
        display: none !important;
    }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 1.1  Margin
 * ------------------------------*/
.mt00 { margin-top: 0 !important; }
.mt05 { margin-top: 0.5rem !important; }
.mt10 { margin-top: 1rem !important; }
.mt20 { margin-top: 2rem !important; }
.mt30 { margin-top: 3rem !important; }
.mt40 { margin-top: 4rem !important; }
.mt50 { margin-top: 5rem !important; }
.mt60 { margin-top: 6rem !important; }
.mt70 { margin-top: 7rem !important; }
.mt80 { margin-top: 8rem !important; }

.mb00 { margin-bottom: 0 !important; }
.mb05 { margin-bottom: 0.5rem !important; }
.mb10 { margin-bottom: 1rem !important; }
.mb20 { margin-bottom: 2rem !important; }
.mb30 { margin-bottom: 3rem !important; }
.mb40 { margin-bottom: 4rem !important; }
.mb50 { margin-bottom: 5rem !important; }
.mb60 { margin-bottom: 6rem !important; }
.mb70 { margin-bottom: 7rem !important; }
.mb80 { margin-bottom: 8rem !important; }

@media (max-width: 767px) {
    .mt00-xs {
        margin-top: 0 !important;
    }
    .mt10-xs {
        margin-top: 1rem !important;
    }
    .mt20-xs {
        margin-top: 2rem !important;
    }
    .mt30-xs {
        margin-top: 3rem !important;
    }
    .mt40-xs {
        margin-top: 4rem !important;
    }
    .mt50-xs {
        margin-top: 5rem !important;
    }
    .mb00-xs {
        margin-bottom: 0 !important;
    }
    .mb10-xs {
        margin-bottom: 1rem !important;
    }
    .mb20-xs {
        margin-bottom: 2rem !important;
    }
    .mb30-xs {
        margin-bottom: 3rem !important;
    }
    .mb40-xs {
        margin-bottom: 4rem !important;
    }
    .mb50-xs {
        margin-bottom: 5rem !important;
    }
}

/* 1.2 Text
 * ------------------------------*/
p {
    margin: 1rem 0;
    /*text-align: justify;
    text-justify: inter-ideograph;*/
}
.text-left {
    text-align: left !important;
}
.text-center {
    text-align: center !important;
}
.text-right {
    text-align: right !important;
}
@media (max-width: 767px) {
     .text-left-xs {
        text-align: left !important;
    }
    .text-center-xs {
        text-align: center !important;
    }
    .text-right-xs {
        text-align: right !important;
    }
}

.txt-red,
.txt-red a,
.txt-red a:hover {
    color: #dd0000 !important;
}
.txt-blue,
.txt-blue a,
.txt-blue a:hover {
    color: #b3d4f6 !important;
}

a.txt-underline,
.txt-underline {
    text-decoration: underline !important;
}
a.txt-underline:hover {
    text-decoration: none !important;
}

.txt-indent {
    text-indent: -1em;
    padding-left: 1em;
    margin: 0;
}

.f10 { font-size: 1rem !important; }
.f11 { font-size: 1.1rem !important; }
.f12 { font-size: 1.2rem !important; }
.f13 { font-size: 1.3rem !important; }
.f14 { font-size: 1.4rem !important; }
.f15 { font-size: 1.5rem !important; }
.f16 { font-size: 1.6rem !important; }
.f17 { font-size: 1.7rem !important; }
.f18 { font-size: 1.8rem !important; }
.f19 { font-size: 1.9rem !important; }
.f20 { font-size: 2rem !important; }
.f21 { font-size: 2.1rem !important; }
.f22 { font-size: 2.2rem !important; }
.f23 { font-size: 2.3rem !important; }
.f24 { font-size: 2.4rem !important; }
.f25 { font-size: 2.5rem !important; }
@media (max-width: 991px) {
    .f18, .f19 {
        font-size: 1.6rem !important;
    }
    .f20, .f21 {
        font-size: 1.7rem !important;
    }
    .f22, .f23 {
        font-size: 1.8rem !important;
    }
    .f24, .f25 {
        font-size: 2rem !important;
    }
}
@media (max-width: 767px) {
    .f13, .f14 {
        font-size: 1.2rem !important;
    }
    .f15, .f16 {
        font-size: 1.3rem !important;
    }
    .f17, .f18 {
        font-size: 1.4rem !important;
    }
    .f19, .f20, .f21 {
        font-size: 1.5rem !important;
    }
    .f22, .f23, .f24, .f25 {
        font-size: 1.6rem !important;
    }
    .f15-xs {
        font-size: 1.5rem !important;
    }
    .f14-xs {
        font-size: 1.4rem !important;
    }
    .f13-xs {
        font-size: 1.3rem !important;
    }
    .f12-xs {
        font-size: 1.2rem !important;
    }
    .f11-xs {
        font-size: 1.1rem !important;
    }
    .f10-xs {
        font-size: 1rem !important;
    }
}

/* 1.3 Titles and Subtitles
 * ------------------------------*/
h1, h2, h3, h4 {
    margin: 0;
    padding: 0;
    font-weight: 600;
    line-height: 1.8;
}
@media (max-width: 767px) {
    h1, h2, h3, h4 {
        line-height: 1.5;
    }
}

.sub-bg {
    margin: 2rem 0;
    padding: 0.3rem 0.5rem 0.6rem;
    font-size: 2.4rem;
    text-align: center;
    background: #005a86;
    color: #fff;
}
.sub-waku {
    margin: 0 0 2rem;
    padding: 0.2rem 0.5rem 0.4rem;
    font-size: 2rem;
    text-align: center;
    color: #005a86;
    border: 1px solid #005a86;
    border-radius: 30px;
}
p + .sub-waku,
div + .sub-waku {
    margin-top: 6rem;
}
@media (max-width: 1199px) {
    .sub-bg {
        font-size: calc(16px + 8 * (100vw - 320px) / 879);
    }
    .sub-waku {
        font-size: calc(14px + 6 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    .sub-bg {
        margin-bottom: 1.5rem;
        padding: 0.5rem 0.5rem 0.6rem;
    }
    .sub-waku {
        margin-bottom: 1rem;
        padding: 0.3rem 0.5rem 0.5rem;
    }
    p + .sub-waku,
    div + .sub-waku {
        margin-top: 4rem;
    }
}

/* 1.4 Buttons
 * ------------------------------*/
.btn {
    display: block;
    max-width: 800px;
    margin: 6rem auto 2.5rem;
    border-radius: 50px;
    font-size: 3rem;
    font-weight: 600;
    padding: 1rem 0.5rem 1.3rem;
    box-sizing: border-box;
    outline: none;
    transition: all .3s;
    cursor: pointer;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
    color: #fff;
    background: #005a86 url(../img/icon-arrow.png) 30px center no-repeat;
    background-size: 23px 27px;
    border: 3px solid #b3d4f6;
    position: relative;
}
.btn.brown {
    max-width: 600px;
    font-size: 2.4rem;
    padding: 0.7rem 0.5rem 0.8rem;
    background-color: #453c3a;
    border: none;
}
.btn:hover {
    text-decoration: none;
    color: #fff;
    opacity: 0.8;
    transition: 0.5s;
}
.btn:focus {
    outline: none;
    overflow: hidden;
    text-decoration: none;
}
@media (max-width: 1199px) {
    .btn {
        background-position: 20px center !important;
        font-size: calc(17px + 13 * (100vw - 320px) / 879);
    }
    .btn.brown {
        font-size: calc(16px + 8 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    .btn {
        max-width: 100%;
        margin: 2rem auto 1rem;
        padding: 0.8rem 0.5rem 1rem 1.6rem;
        background-position: 15px center !important;
        background-size: 20px 23px;
    }
    .btn.brown {
        padding: 0.5rem 0.5rem 0.6rem 1.6rem;
    }
}

/* 1.5 Other Elements
 * ------------------------------*/
/* 1.5.1 side contact ------------*/
#side-contact {
    width: 50px;
    height: 250px;
    position: fixed;
    top: 190px;
    right: 0;
    margin: 0;
    text-align: center;
    z-index: 10020 !important;
    box-sizing: border-box;
    background: #005a86;
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}
#side-contact a {
    display: block;
    width: 50px;
    height: 250px;
    padding: 1.6rem 1rem 1rem;
    box-sizing: border-box;
}
#side-contact a:hover {
    opacity: 0.8:
    transition: 0.5s;
}
@media (max-width: 1199px) {
    #side-contact {
        top: 80px;
    }
}
@media (max-width: 767px) {
    #side-contact {
        width: 120px;
        height: 36px;
        top: 0;
        right: 0;
        border-radius: 0;
        text-align: center;
    }
    #side-contact a {
        width: 120px;
        height: 36px;
        padding: 0.6rem 0 0;
    }
    #side-contact img {
        width: 110px;
    }
}

/* 1.5.2 sns Icon ------------*/
#sns-list {
    width: 50px;
    height: 135px;
    padding: 2rem 1rem 1rem;
    position: fixed;
    top: 430px;
    right: 0;
    margin: 0;
    background: #000;
    color: #fff;
    text-align: center;
    z-index: 10010 !important;
    box-sizing: border-box;
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}
#sns-list .sub {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.5;
    font-family: "游ゴシック",YuGothic, sans-serif !important;
}
#sns-list a:hover {
    text-decoration: none;
}
#sns-list .fa-facebook,
#sns-list .fa-twitter {
	font-size: 2.1rem !important;
    color: #fff !important;
    margin-top: 2rem;
    display: block;
}
#sns-list .x-twitter {
    display: block;
    width: 19px;
    height: 17px;
    background: url(../img/x-twitter.png) 0 0 no-repeat;
    background-size: contain;
    margin: 2rem auto 0;
}
#sns-list .fa-facebook:hover,
#sns-list .fa-twitter:hover,
#sns-list .x-twitter:hover {
    text-decoration: none !important;
    opacity: 0.8;
    transition: 0.5s;
}
@media (max-width: 1199px) {
    #sns-list {
        top: 320px;
    }
}
@media screen and (orientation:landscape) and (max-width: 896px) {
    #sns-list {
        display: none;
    }
}
@media (max-width: 767px) {
    #sns-list {
        display: none;
    }
}

.knt_general-set .icon_social {
    padding: 0;
    text-align: right;
}
.knt_general-set .icon_social .line {
    display: inline-block;
    line-height: 23px;
}
.knt_general-set .icon_social .line img {
    vertical-align: top;
}
.knt_general-set .icon_social iframe {
    max-width: 150px !important;
}
.knt_general-set .icon_social .twitter-share-button {
    height: 25px !important;
}

.social {
    margin: 0 auto;
    max-width: 400px;
}
.social .icon_social {
    position: relative;
    right: 0;
    top: 0;
    z-index: 3;
}
.knt_general-set,
.knt_general-set .icon_social .socialBoxON {
	display:-webkit-box;
	display:-ms-flexbox;
	display:flex;
	-webkit-box-pack:center;
	-ms-flex-pack:center;
	justify-content:center;
}
.knt_general-set .icon_social .socialBoxON {
	margin-bottom: 3rem;
}
.knt_general-set .icon_social .socialBoxON > iframe {
	margin: 0 0.5rem;
}

/* 1.5.3 page top ------------*/
#pagetop {
    display: none;
    position: fixed;
    bottom: 15px;
    right: 15px;
    width: 91px;
    height: 91px;
    z-index: 1000;
    background: url(../img/pagetop.png) 50% 50% no-repeat;
    background-size: contain;
    text-indent: 100% !important;
	white-space: nowrap;
	overflow: hidden;
}
#pagetop:hover {
    cursor: pointer;
    opacity: 0.8;
    transition: 0.5s;
}
@media (max-width: 991px) {
    #pagetop {
        width: 55px;
        height: 55px;
    }
}
@media (max-width: 767px) {
    #pagetop {
        right: 15px;
    }
}

/*-------------------------------
 * 2. HEADER
 * ----------------------------*/
header {
    width: 100%;
    margin: 0;
    padding: 0;
    background-size: cover !important;
    -webkit-animation: fadeIn 1s linear both;
    animation: fadeIn 1s linear both;
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}
header .container {
    position: relative;
}
header .main-ttl {
    margin: 0 auto;
    position: absolute;
    bottom:  -1px;
    left: 0;
    right: 0;
    width: calc(520 / 1280 * 100vw);
}
@media (max-width: 767px) {
    header .main-ttl {
        width: 50vw;
    }
}
@media (max-width: 480px) {
    header .main-ttl {
        width: 65vw;
    }
}

/*-------------------------------
 * 3. CONTENT
 * ----------------------------*/
main {
    width: 100%;
    margin: 0;
    padding: 0;
}

.container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}
@media (min-width: 576px) {
  .container {
    max-width: 540px;
    padding: 0;
  }
}
@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}
@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

section {
    margin: 0;
    padding: 0;
}

/*----- Info -----*/
.info-wrap {
    padding: 6rem 0 5rem;
}
.info-wrap .sub {
    margin: 0 0 1rem;
    font-size: 4rem;
    line-height: 1.6;
    text-align: center;
    font-weight: 900;
    color: #444444;
}
.info-wrap .sub span {
    display: inline-block;
    font-size: 2.4rem;
    color: #9b5c26;
    font-weight: 700;
}
.info-wrap .subsub {
    font-size: 2rem;
    margin: 0;
    text-align: center;
    font-weight: 400;
}
.info-wrap .sub-txt {
    font-size: 2.4rem;
    text-align: center;
    margin: 0;
}
@media (max-width: 1199px) {
    .info-wrap .sub {
        font-size: calc(20px + 20 * (100vw - 320px) / 879);
    }
    .info-wrap .sub span {
        font-size: calc(16px + 8 * (100vw - 320px) / 879);
    }
    .info-wrap .subsub {
        font-size: calc(14px + 6 * (100vw - 320px) / 879);
    }
    .info-wrap .sub-txt {
        font-size: calc(16px + 8 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    .info-wrap {
        padding: 3rem 0 2rem;
    }
    .info-wrap .sub {
        margin-bottom: 2rem;
    }
}

.info-wrap .box {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: flex-start;
    align-content: flex-start;
    gap: 0 70px;
    margin: 4rem 0;
}
.info-wrap .box .col {
    width: calc(100% / 3 - 50px );
    box-sizing: border-box;
}
@media (max-width: 1199px) {
    .info-wrap .box {
        gap: 0 40px;
    }
    .info-wrap .box .col {
        width: calc(100% / 3 - 27px );
    }
}
@media (max-width: 991px) {
    .info-wrap .box {
        gap: 0 30px;
    }
    .info-wrap .box .col {
        width: calc(100% / 3 - 20px );
    }
}
@media (max-width: 767px) {
    .info-wrap .box {
        gap: 0 2px;
        margin: 2.5rem 0;
    }
    .info-wrap .box .col {
        width: calc(100% / 3 - 2px );
    }
}

/*----- About -----*/
.about-wrap {
    padding: 0 0 5rem;
    text-align: center;
    font-size: 2rem;
}
.about-wrap .sub {
    font-size: 2.7rem;
    color: #444444;
    text-align: center;
    font-weight: 700;
    margin: 2rem 0 1.5rem;
    line-height: 1.5;
}
.about-wrap .sub .num {
    display: inline-block;
    margin-left: 0.5rem;
    font-size: 4rem;
}
.about-wrap .sub.ml {
    margin-left: -10rem;
}
.about-wrap ul.list li {
    text-indent: -1em;
    padding-left: 1em;
}
@media (max-width: 1199px) {
    .about-wrap {
        font-size: calc(14px + 6 * (100vw - 320px) / 879);
    }
    .about-wrap .sub {
        font-size: calc(17px + 10 * (100vw - 320px) / 879);
    }
    .about-wrap .sub .num {
        font-size: calc(25px + 15 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    .about-wrap {
        padding-bottom: 2rem;
    }
    .about-wrap .sub {
        margin: 0;
    }
    .about-wrap .sub.ml {
        margin-left: 0;
        margin-top: -1rem;
    }
}

.about-wrap .box {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    align-content: flex-start;
    margin: 4rem auto;
}
.about-wrap .box .col {
    box-sizing: border-box;
}
.about-wrap .box.box01,
.about-wrap .box.box02 {
    max-width: 80%;
}
.about-wrap .box.box01 {
    gap: 0 150px;
}
.about-wrap .box.box02 {
    gap: 0 50px;
}
.about-wrap .box.col-three {
    text-align: left;
    font-size: 1.8rem;
    margin-bottom: 0;
}
.about-wrap .box.col-three .img-area {
    width: 26%;
}
.about-wrap .box.col-three .txt-area {
    width: 36%;
    padding-left: 5rem;
}
@media (max-width: 1199px) {
    .about-wrap .box.box01,
    .about-wrap .box.box02 {
        max-width: 100%;
    }
    .about-wrap .box.col-three {
        font-size: calc(14px + 4 * (100vw - 320px) / 879);
    }
    .about-wrap .box.col-three .txt-area {
        padding-left: 3rem;
    }
}
@media (max-width: 991px) {
    .about-wrap .box.items-start-sp-md {
        align-items: flex-start;
    }
    .about-wrap .box.box01 {
        gap: 0 80px;
    }
    .about-wrap .box.box02 {
        gap: 0;
    }
    .about-wrap .graph01-1,
    .about-wrap .graph01-2 {
        width: 280px;
        height: auto;
    }
    .about-wrap .graph02-1 {
        width: 360px;
        height: auto;
    }
    .about-wrap .graph02-2 {
        width: 290px;
        height: auto;
    }
}
@media (max-width: 767px) {
    .about-wrap .box {
        margin: 0 auto 2rem;
    }
    .about-wrap .graph01-1,
    .about-wrap .graph01-2 {
        width: 240px;
        height: auto;
    }
    .about-wrap .graph02-1 {
        width: 315px;
        height: auto;
        margin-top: 1.5rem;
        margin-left: 5.5rem;
    }
    .about-wrap .graph02-2 {
        width: 255px;
        height: auto;
    }
    .about-wrap .box.col-three {
        align-items: flex-start;
    }
    .about-wrap .box.col-three .img-area {
        width: 100%;
        margin: 1rem 0 1.5rem;
    }
    .about-wrap .box.col-three .img-area img {
        max-width: 80%;
    }
    .about-wrap .box.col-three .txt-area {
        padding-left: 0;
        width: 80%;
    }
}
@media (max-width: 480px) {
    .about-wrap .box.box01 {
        gap: 20px 0;
    }
    .about-wrap .box.box02 {
        gap: 20px 0;
    }
}

/*----- Contact -----*/
.contact-wrap {
    padding: 1rem 0 8rem;
}
@media (max-width: 767px) {
    .contact-wrap {
        padding: 0 0 4rem;
    }
}

/*----- Plan -----*/
.plan-wrap {
    padding: 5rem 0;
    background: #a49788;
    color: #fff;
    text-align: center;
}
.plan-wrap .sub {
    line-height: 1.7;
    margin: 0;
    font-size: 3.6rem;
     text-shadow: 4px 4px 0 #af9786, -4px -4px 0 #af9786,
              -4px 4px 0 #af9786, 4px -4px 0 #af9786,
              0px 4px 0 #af9786,  0 -4px 0 #af9786,
              -4px 0 0 #af9786, 4px 0 0 #af9786;
}
.plan-wrap .txt {
    font-size: 1.6rem;
}
@media (max-width: 1199px) {
    .plan-wrap .sub {
        font-size: calc(18px + 18 * (100vw - 320px) / 879);
    }
    .plan-wrap .txt {
        font-size: calc(13px + 3 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    .plan-wrap {
        padding: 3rem 0 2.5rem;
    }
}

.plan-wrap .box {
    max-width: 800px;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;
    align-content: flex-start;
    margin: 4rem auto;
    gap: 30px 50px;
}
.plan-wrap .box .col {
    width: calc(100% / 2 - 25px );
    box-sizing: border-box;
}
@media (max-width: 991px) {
    .plan-wrap .box {
        gap: 30px 30px;
    }
    .plan-wrap .box .col {
        width: calc(100% / 2 - 15px );
    }
}
@media (max-width: 767px) {
    .plan-wrap .box {
        margin: 2rem auto 4rem;
        gap: 20px 20px;
    }
    .plan-wrap .box .col {
        width: calc(100% / 2 - 10px );
    }
}

/*-------------------------------
 * 4. FOOTER
 * ----------------------------*/
footer {
    text-align: center;
    padding: 6rem 0 4rem;
}
footer .sub {
    font-size: 2.2rem;
    line-height: 1.6;
}
footer .logo {
    margin: 0 auto 4rem;
}
footer .btn {
    margin: 5rem auto 7rem;
}
footer .copyright {
    font-size: 1.6rem;
    font-weight: 600;
    color: #5d5d5d;
    font-family: "游ゴシック",YuGothic, sans-serif !important;
}
@media (max-width: 1199px) {
    footer .sub {
        font-size: calc(14px + 8 * (100vw - 320px) / 879);
    }
    footer .copyright {
        font-size: calc(12px + 4 * (100vw - 320px) / 879);
    }
}
@media (max-width: 767px) {
    footer {
        padding: 2rem 0 7rem;
    }
    footer .logo {
        max-width: 170px;
        margin-bottom: 2rem;
    }
    footer .btn {
        margin: 3rem auto 4rem;
    }
}

/*-------------------------------
 * 5. INTERACTIONS
 * ----------------------------*/
.opacity:hover {
  opacity: 0.75;
  transition: 0.7s;
}

/*--------- keyframes --------- */
@-webkit-keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@-webkit-keyframes fadeInUp {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, 20px, 0);
    transform: translate3d(0, 20px, 0);
  }
  30% {
    opacity: 0;
    -webkit-transform: translate3d(0, 20px, 0);
    transform: translate3d(0, 20px, 0);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    -webkit-transform: translate3d(0, 20px, 0);
    transform: translate3d(0, 20px, 0);
  }
  30% {
    opacity: 0;
    -webkit-transform: translate3d(0, 20px, 0);
    transform: translate3d(0, 20px, 0);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  to {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
}

.fadeInUp {
  -webkit-animation-name: fadeInUp;
  animation-name: fadeInUp;
}