/**** reset ****/
html, body, h1, h2, h3, h4, ul, ol, dl, li, dt, dd, p, div, span, img, a, table, tr, th, td, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font-weight: normal;
    vertical-align: baseline;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    line-height: 1;
    _display: inline;
    _zoom: 1;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { 
    display: block;
}

nav, ol, ul {
    list-style: none;
    list-style-type: none;
}

a {
    background: transparent;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

th, td {
    text-align: left;
    vertical-align: top;
}

img {
    vertical-align: bottom;
}

input, select, textarea {
    vertical-align: middle;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-color);
    border: none;
    box-sizing: border-box;
}

i, span, em {
    font-style: normal;
    font-weight: inherit;
}

strong {
    font-weight: bold;
}

:focus {
    outline: 0;
}

/**** reset ****/

:root {
    --bg-color: #ffffff;
    --link-color: #f58380;
    --link-color2: #f2a45e;
    --text-color: #333;
    --strong-color: #1682dc;
}

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

/**** style ****/

html {
    font-size: 10px;
}

body {
    background-color: var(--bg-color);
    background-image: url("../img/content_bg.png");
    background-repeat: repeat;
    color: var(--text-color);
    font-family: "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    font-optical-sizing: auto;
    font-display: swap;
    font-size: 1.6rem;
    letter-spacing: 0.08em;
}

a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.1s ease;
}

a:hover {
    text-decoration: none;
}

br.smpbr {
    display: none;
}

::selection {
    background-color: var(--strong-color);
    color: #fff;
}

#contain {
    position: relative;
    overflow: hidden;
}

.content-box {
    position: relative;
    width: min(90%, 1100px);
    margin-inline: auto;
}

.content-head {
    margin-bottom: 75px;
    text-align: center;
    font-size: 3.0rem;
    font-weight: bold;
    letter-spacing: 0.1em;
}

.content-head::before {
    display: block;
    margin-bottom: 30px;
    color: var(--strong-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.content-head span {
    color: var(--strong-color);
}

.content-text {
    line-height: 2;
}

.content-text strong {
    color: var(--strong-color);
}

.btn {
	position: relative;
	display: inline-block;
	padding: 2rem 4.75rem 2rem 3.75rem;
    min-width: 320px;
	font-size: 2.0rem;
	font-weight: bold;
    line-height: 1;
	color: #fff;
    text-align: center;
	border-radius: 2em;
    background: linear-gradient(90deg, var(--link-color2), var(--link-color));
    z-index: 0;
}
.cta-btn-contact {
    background: linear-gradient(90deg, #6097d6, #59afd6);
}

.btn::before {
    position: absolute;
    display: block;
    content: "";
    width: 100%;
    height: 100%;
    inset: 0;
    border-radius: 2em;
    background: linear-gradient(90deg, var(--link-color), var(--link-color2));
    z-index: -1;
    opacity: 0;
    transition: all 0.2s ease;
}
.cta-btn-contact::before {
    background: linear-gradient(90deg, #59afd6, #6097d6);
}

.btn::after {
    position: absolute;
    display: block;
    content: "";
    width: 8px;
    height: 8px;
    top: 50%;
    right: 40px;
    transform: translateY(-50%) rotate(-45deg);
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transition: all 0.2s ease;
}

@media (hover: hover) {
	.btn:hover {
		transform: translate(1px,1px);
	}
    .btn:hover::before {
        background: linear-gradient(90deg, var(--link-color), var(--link-color2));
        opacity: 1;
    }
    .btn:hover::after {
        transform: translateX(4px) translateY(-50%) rotate(-45deg);
    }
    .cta-btn-contact:hover::before {
        background: linear-gradient(90deg, #59afd6, #6097d6);
    }
}

.header-btn {
    min-width: auto;
    padding: 1.5rem 4.0rem 1.5rem 3.0rem;
	font-size: 1.4rem;
}

.header-btn::after {
    width: 6px;
    height: 6px;
    right: 25px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
}

.cta-title {
    padding: 70px 0;
    background: linear-gradient(#78c9e3, #82ade3);
}

.cta-area .content-box {
    justify-content: center;
    gap: 0 45px;
}

.cta-copy {
    padding: 0.75em 1.50em;
    margin-bottom: 30px;
    background-color: var(--strong-color);
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    border-radius: 5px;
}

.cta-title-box {
    color: #fff;
    text-align: center;
    letter-spacing: 0.1em;
    text-shadow: 0 4px 30px rgba(22 130 220 / 0.75);
}

.cta-title-top {
    display: block;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: bold;
}

.cta-title-main {
    display: block;
    font-size: 58px;
    font-weight: bold;
}

.cta-img img {
    filter: drop-shadow(0 3px 24px rgba(22 130 220 / 0.5));
}

.cta-btn-box {
    padding: 55px 0;
    background-color: #333;
}

.cta-btn-box .cta-btn {
    position: relative;
}
.cta-btn-balloon {
    position: absolute;
    width: 220px;
    height: 52px;
    top: -70px;
    left: 50%;
    transform: translateX(-50%);
}


#header {
	position: fixed;
	width: 100%;
	top: 0;
	left: 0;
	background-color: transparent;
	z-index: 10;
}

#header.scroll {
	box-shadow: 0 0 50px rgba(51 51 51 / 0.05);
    background-color: rgba(255 255 255 / 1.0);
    /* backdrop-filter: blur(5px); */
}

.header-box {
	position: relative;
    width: min(90%, 1100px);
	height: 100px;
    margin: 0 auto;
	transition: all 0.1s ease;
}

#header.scroll .header-box {
	height: 70px;
}

.header-logo img {
	height: 40px;
	width: auto;
	transition: all 0.1s ease;
}

#header.scroll .header-logo img {
	height: 34px;
}


#main {
    padding-top: 100px;
    padding-bottom: 30px;
    background: url(../img/main_bg.jpg) no-repeat top center #FFF;
}

#main .content-box {
    min-height: 540px;
}

.main-head {
    padding-top: 35px;
    font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

.main-head-text {
    display: block;
    font-size: 46px;
    font-weight: 900;
    letter-spacing: 0.1em;
    line-height: 1.4;
}

.main-head-balloon {
    position: relative;
    display: inline-block;
    padding: 0.75em 1.5em 0.90em 1.5em;
    margin-bottom: 20px;
    background-color: var(--strong-color);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    border-radius: 5px;
    letter-spacing: 0.1em;
}
.main-head-balloon::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    border-top: 10px solid var(--strong-color);
    border-right: 8px solid transparent;
    border-left: 8px solid transparent;
}

.main-function-box {
    display: inline-block;
    margin-top: 40px;
}

.main-function-head {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0 18px;
    margin-bottom: 15px;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
}
.main-function-head::before,
.main-function-head::after {
    content: "";
    width: 1px;
    height: 30px;
    background-color: #333;
}
.main-function-head::before {
    transform: rotate(-35deg);
}
.main-function-head::after {
    margin-left: -0.5em;
    transform: rotate(35deg);
}

.main-function-list {
    gap: 0 12px;
}

.main-function-list li {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 92px;
    height: 92px;
    padding: 4px 0 0 3px;
    background-color: #82ade3;
    color: #fff;
    border-radius: 46px;
    font-size: 17px;
    font-weight: bold;
    text-align: center;
    line-height: 1.4;
    box-shadow: 0 0 0 3px #82ade3 inset, 0 0 0 4px rgba(255 255 255 / 0.5) inset;
    letter-spacing: 0.15em;
    text-shadow: 0 0 20px rgba(0 0 0 / 0.1);
}
.main-function-list li:nth-of-type(2n) {
    background-color: #78c9e3;
    box-shadow: 0 0 0 3px #78c9e3 inset, 0 0 0 4px rgba(255 255 255 / 0.5) inset;
}
.main-function-list li:nth-last-of-type(2),
.main-function-list li:last-of-type {
    letter-spacing: 0.03em;
}

.main-img {
    position: absolute;
    bottom: 0;
    right: 0;
}

.main-mark {
    position: absolute;
    top: 35px;
    right: 50px;
}


#trouble {
    position: relative;
}
#trouble::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 500px;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    background: url(../img/grd.png) no-repeat center;
    mix-blend-mode: multiply;
}
#trouble::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 200px;
    top: 0;
    left: 0;
    background: linear-gradient(rgba(255 255 255 / 1.0), rgba(255 255 255 / 0));
    z-index: -1;
}

#trouble .content-head::before {
    content: "PROBLEM";
}

.trouble-list {
    position: relative;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 20px 40px;
    padding-bottom: 200px;
}
.trouble-list::before {
    content: "";
    position: absolute;
    width: 272px;
    height: 260px;
    bottom: 200px;
    right: 40px;
    background: url(../img/trouble_img.png) no-repeat center;
    background-size: contain;
}
.trouble-list::after {
    content: "";
    position: absolute;
    width: 1200px;
    height: 200px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: url(../img/trouble_bottom.png) no-repeat center;
    background-size: contain;
}

.trouble-list li {
    position: relative;
    width: calc((100% - 80px) / 3);
    padding: 60px 45px 45px 45px;
    background-color: #fff;
    border-radius: 20px;
    box-shadow: 0 1px 4px rgba(51 51 51 / 0.05), 0 0 30px rgba(51 51 51 / 0.05);
}
.trouble-list li::before {
    content: "";
    position: absolute;
    width: 95px;
    height: 70px;
    top: -30px;
    left: 50%;
    margin-left: -47.5px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}
.trouble-list li:nth-of-type(1):before {
    background-image: url(../img/icon_trouble_01.png);
}
.trouble-list li:nth-of-type(2):before {
    background-image: url(../img/icon_trouble_02.png);
}
.trouble-list li:nth-of-type(3):before {
    background-image: url(../img/icon_trouble_03.png);
}
.trouble-list li:nth-of-type(4):before {
    background-image: url(../img/icon_trouble_04.png);
}
.trouble-list li:nth-of-type(5):before {
    background-image: url(../img/icon_trouble_05.png);
}
.trouble-list li:nth-of-type(3n-1) {
    margin-top: 40px;
}

.trouble-head {
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    line-height: 1.5;
}


#solution {
    position: relative;
    margin-top: 60px;
    z-index: 1;
}

.solution-head {
    margin-bottom: -1000px;
}

.circle-path {
    overflow: visible;
}
.circle-path-circle {
    fill: none;
}
.text-main {
    font-size: 30px;
    font-weight: bold;
}
.text-decoration {
    fill: var(--strong-color);
    font-size: 32px;
    font-weight: 400;
}
.highlight-color {
    fill: var(--strong-color);
}

.solution-box {
    position: relative;
    padding: 60px;
    background: linear-gradient(#78c9e3, #82ade3);
    border-radius: 20px;
    z-index: 1;
}
.solution-box::after {
    content: "";
    position: absolute;
    width: calc(100% - 10px);
    height: calc(100% - 10px);
    top: 5px;
    left: 5px;
    box-shadow: 0 0 0 1px rgba(255 255 255 / 0.5) inset;
    border-radius: 15px;
    z-index: -1;
}

.solution-box-head {
    margin-bottom: 30px;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    color: #fff;
    letter-spacing: 0.08em;
    text-shadow: 0 0 20px rgba(0 0 0 / 0.15);
}
.solution-box-name {
    display: block;
    margin-top: 25px;
    font-size: 48px;
    text-align: center;
    letter-spacing: 0.1em;
}

.solution-img {
    margin-top: -120px;
    margin-bottom: 20px;
    text-align: center;
}

.solution-text {
    color: #fff;
    font-weight: bold;
    text-align: center;
}

.solution-list {
    justify-content: center;
    gap: 15px;
    margin-top: 35px;
}

.solution-list li {
    padding: 1em 1.5em;
    font-size: 18px;
    font-weight: bold;
    /* background-color: var(--strong-color); */
    color: #fff;
    border-radius: 10px;
    border: 1px solid #fff;
}

.solution-deco {
    position: absolute;
    width: 225px;
    height: 251px;
    top: -100px;
    left: 20px;
}


#reason {
    position: relative;
    margin-top: 120px;
    padding-bottom: 120px;
    background: linear-gradient(rgba(198 224 234 / 0.0), rgba(198 224 234 / 0.5) 20%, rgba(198 224 234 / 1.0));
}
#reason::before {
    content: "";
    position: absolute;
    width: 2000px;
    height: 1260px;
    top: 0;
    left: calc(50% + 50px);
    transform: translateX(-50%) translateY(-55%);
    background: url(../img/grd2.png) no-repeat center;
    mix-blend-mode: multiply;
    z-index: 0;
}

#reason .content-head::before {
    content: "REASON";
}

.reason-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0 60px;
}
.reason-box:nth-of-type(2n) {
    flex-direction: row-reverse;
    gap: 0;
}
.reason-box:not(:last-of-type) {
    margin-bottom: 100px;
}

.reason-img {
    width: 400px;
}
.reason-img img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 10px 10px 0 rgba(130 173 227 / 0.2);
}
/* .reason-box:nth-of-type(3) .reason-img {
    margin-right: -45px;
} */
.reason-box:nth-of-type(3) .reason-img img {
    box-shadow: none;
    border-radius: 0;
}

.reason-info {
    flex: 1;
}

.reason-title {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 0 20px;
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: bold;
    line-height: 1.5;
}
.reason-title::before {
    content: "";
    width: 66px;
    height: 44px;
    flex: none;
    background-repeat: no-repeat;
    background-position: center;
}
.reason-box:nth-of-type(1) .reason-title::before {
    background-image: url(../img/reason_num01.svg);
}
.reason-box:nth-of-type(2) .reason-title::before {
    background-image: url(../img/reason_num02.svg);
}
.reason-box:nth-of-type(3) .reason-title::before {
    background-image: url(../img/reason_num03.svg);
}
.reason-box:nth-of-type(4) .reason-title::before {
    background-image: url(../img/reason_num04.svg);
}

.reason-box p.content-text {
    margin-bottom: 25px;
}
.reason-box:nth-of-type(2) p.content-text {
    padding-right: 60px;
}

.reason-list li {
    position: relative;
    padding-left: 20px;
    font-weight: bold;
}
.reason-list li::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    top: 0.5em;
    left: 0;
    border-radius: 7px;
    background-color: #333;
}


#function {
    position: relative;
    padding: 120px 0;
    z-index: 1;
}

#function .content-head::before {
    content: "FUNCTION";
}

.function-list {
    justify-content: flex-start;
    align-items: stretch;
    gap: 40px;
}

.function-list li {
    width: calc((100% - 120px) / 4);
    padding: 20px 20px 25px 20px;
    border-radius: 20px;
}
.function-list li:nth-of-type(3n-2) {
    background-color: #e8f4fa;
}
.function-list li:nth-of-type(3n-1) {
    background-color: #e2ebf7;
}
.function-list li:nth-of-type(3n) {
    background-color: #d7e6f7;
}

.function-img {
    padding: 15px 30px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(22 130 220 / 0.1);
}
.function-img img {
    width: 100%;
    height: auto;
}

.function-name {
    margin-top: 20px;
    font-weight: bold;
    text-align: center;
    line-height: 1.5;
}

.attention {
    font-size: 1.2rem;
    line-height: 1.5;
    filter: opacity(0.8);
}

.function-list + .attention {
    margin-top: 30px;
    text-align: right;
}


#equipment {
    position: relative;
    padding: 0 0 120px 0;
    background: linear-gradient(rgba(198 224 234 / 0.0), rgba(198 224 234 / 1.0));
}
#equipment::before {
    content: "";
    position: absolute;
    width: 2000px;
    height: 1260px;
    top: 0;
    left: calc(50% + 50px);
    transform: translateX(-50%) translateY(-40%);
    background: url(../img/grd2.png) no-repeat center;
    mix-blend-mode: multiply;
    z-index: 0;
}

#equipment .content-head::before {
    content: "EQUIPMENT";
}

.equip-list {
    gap: 15px;
}

.equip-box {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    width: calc((100% - 30px) / 3);
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 30px rgba(51 51 51 / 0.03), 0 1px 4px rgba(51 51 51 / 0.05), 0 0 0 15px #f3f9fc inset;
}
.equip-box:first-of-type {
    flex-direction: row;
    width: 100%;
}
.equip-box::before {
    content: "";
    position: absolute;
    width: 60px;
    height: 60px;
    top: 0;
    left: 0;
    background: url(../img/equip_ribbon.png) no-repeat center;
    background-size: contain;
}

.equip-img {
    padding: 35px 0 25px 0;
}
.equip-box:first-of-type .equip-img {
    padding: 50px 0 15px 60px;
}

.equip-name {
    margin-bottom: 20px;
    font-size: 1.8rem;
    font-weight: bold;
    text-align: center;
    line-height: 1.5;
}
.equip-box:first-of-type .equip-name {
    padding: 0 50px;
    font-size: 2.2rem;
    text-align: left;
}

.equip-name + .content-text {
    padding: 0 50px 40px 50px;
}
.equip-box:first-of-type .equip-name + .content-text {
    padding: 0 50px;
}


#option {
    padding: 100px 0;
    text-align: center;
}

/* .option-head {
    display: inline-block;
    padding: 1em 4.0em;
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(90deg, #59afd6, #6097d6);
    color: #fff;
    border-radius: 10px;
} */
.option-head {
    display: inline-block;
    padding: 1em 4.0em;
    font-size: 24px;
    font-weight: bold;
    color: var(--strong-color);
    border-top: 1px dashed var(--strong-color);
    border-bottom: 1px dashed var(--strong-color);
}


.option-wrap {
    margin-top: 60px;
}

.option-list {
    padding-bottom: 30px;
}

.option-slide {
    padding: 15px 0;
    width: 540px !important;
}
.option-slide img {
    display: inline-block;
    margin-bottom: 30px;
    border-radius: 20px;
    box-shadow: 0 0 0 10px #fff, 0 0 30px rgba(51 51 51 / 0.1);
}

@media (hover: hover) {
    .option-slide a:hover {
        filter: opacity(0.8);
    }
}

.option-name {
    color: #333;
}

.swiper-pagination {
    bottom: 0 !important;
}

.swiper-pagination-bullet {
    width: 12px !important;
    height: 12px !important;
    margin: 0 5px !important;
}

.swiper-pagination-bullet-active {
    background: var(--link-color) !important;
}


#step {
    margin-bottom: 90px;
}

.step-link {
    display: inline-block;
}

@media (hover: hover) {
    .step-link:hover {
        filter: opacity(0.8);
    }
}

.step-link img {
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(51 51 51 / 0.05), 0 1px 4px rgba(51 51 51 / 0.08);
    width: 100%;
    height: auto;
}



#bottom {
    position: relative;
}

#bottom .content-box {
    padding-top: 0;
}

#bottom .upgrade-type-btn {
    display: flex;
    width: 420px;
    margin: 0 auto;
}

#footer {
	padding: 4rem 0;
	text-align: center;
	color: #ccc;
	background: var(--text-color);
	font-size: 1.3rem;
	line-height: 2;
}

.footer-pm {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    margin-inline: auto;
    background-color: #fff;
    border-radius: 3px;
}

.footer-copy {
    margin-top: 0.75rem;
	font-size: 1rem;
}



@media (max-width: 1200px) {
    #main {
        background-position: 40% 0;
    }
    .main-head-text {
        font-size: 42px;
    }
    #solution .content-box {
        padding-top: 120px;
    }
    .solution-head {
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }
}
@media (max-width: 1000px) {
    #main {
        background-position: 35% 0;
    }
    .main-head-text {
        font-size: 40px;
    }
    .main-function-list {
        gap: 0 8px;
    }
    .main-mark {
        right: 0;
    }
    .equip-list {
        align-items: stretch;
    }
    .function-list {
        gap: 30px;
    }
    .cta-area .content-box {
        gap: 0 30px;
    }
    .reason-box {
        gap: 0 40px;
    }
    .reason-box:nth-of-type(2) .reason-list {
        padding-right: 30px;
    }
    .trouble-list {
        gap: 20px 30px;
    }
    .trouble-list li {
        padding: 60px 30px 30px 30px;
    }
}
@media (max-width: 900px) {
    .main-img {
        width: 50%;
        right: -5vw;
    }
    .main-img img {
        width: 100%;
        height: auto;
    }
    .trouble-head {
        margin-bottom: 15px;
        font-size: 18px;
    }
    .trouble-list::before {
        width: 240px;
        height: 230px;
        bottom: 240px;
        right: 20px;
        background-size: contain;
    }
}
@media (max-width: 768px) {
    br.smpbr {
        display: inline !important;
    }
    #main {
        padding-bottom: 0;
        background-position: 36% 0;
        background-size: cover;
    }
    #main .content-box {
        min-height: 480px;
    }
    .main-head {
        padding-top: 10px;
    }
    .main-function-box {
        margin-top: 20px;
    }
    .main-img {
        bottom: -20px;
    }
    .main-mark {
        top: 10px;
    }
    .main-mark img {
        width: 110px;
        height: auto;
    }
    .main-head-text {
        font-size: 36px;
    }
    #trouble::before {
        height: 300px;
        top: -150px;
        background-size: cover;
    }
    .trouble-list {
        gap: 50px 20px;
        align-items: stretch;
        padding-bottom: 150px;
    }
    .trouble-list li {
        width: calc((100% - 20px) / 2);
        padding: 55px 30px 30px 30px;
    }
    .trouble-list li:nth-of-type(3n-1) {
        margin-top: 0;
    }
    .trouble-head {
        margin-bottom: 10px;
    }
    .trouble-list::before {
        bottom: 150px;
        right: 50px;
    }
    .trouble-list::after {
        width: calc(100% + 5vw);
        height: 150px;
        bottom: 0;
        background-size: contain;
    }
    .solution-box {
        padding: 50px 40px;
    }
    .solution-img img {
        width: 340px;
        height: auto;
    }
    .solution-deco {
        width: 160px;
        height: 180px;
        top: -80px;
        left: 10px;
    }
    .solution-deco img {
        width: 100%;
        height: auto;
    }
    .solution-text {
        text-align: left;
    }
    .solution-text br {
        display: none;
    }
    .solution-list {
        gap: 10px;
        margin-top: 30px;
    }
    #reason {
        margin-top: 90px;
        padding-bottom: 90px;
    }
    .content-head {
        margin-bottom: 60px;
        font-size: 2.8rem;
    }
    .reason-box,
    .reason-box:nth-of-type(2n) {
        flex-direction: column;
        gap: 45px 0;
    }
    .reason-box:not(:last-of-type) {
        margin-bottom: 60px;
    }
    .reason-img {
        width: 60%;
    }
    .reason-title {
        justify-content: center;
        gap: 0 20px;
        margin-bottom: 30px;
    }
    .cta-title {
        padding: 45px 0;
    }
    .cta-area .cta-title .content-box {
        flex-direction: column;
    }
    .cta-left {
        margin-bottom: 20px;
    }
    .cta-title-main {
        font-size: 48px;
    }
    #function {
        padding: 90px 0;
    }
    .function-list {
        gap: 20px;
    }
    .function-list li {
        width: calc((100% - 40px) / 3);
        padding: 20x 20px 25px 20px;
    }
    .function-img {
        padding: 10px 25px;
    }
    .function-name {
        margin-top: 15px;
    }
    #equipment {
        padding: 0 0 90px 0;
    }
    .equip-box {
        flex-direction: row;
        width: 100%;
        padding: 30px 60px 30px 75px;
        gap: 40px;
    }
    .equip-box:first-of-type {
        flex-direction: column;
        padding: 45px;
    }
    .equip-img {
        padding: 0;
    }
    .equip-box:first-of-type .equip-img {
        padding: 0;
    }
    .equip-name + .content-text {
        padding: 0;
    }
    .equip-name {
        margin-bottom: 10px;
        text-align: left;
    }
    .equip-box:first-of-type .equip-name {
        padding: 0;
        font-size: 2.2rem;
        text-align: center;
    }
    #option {
        padding: 90px 0;
    }
    .option-head {
        display: block;
        width: 90vw;
        margin-inline: auto;
        padding: 1em 0;
        font-size: 22px;
    }
    .option-wrap {
        margin-top: 45px;
    }
}
@media (max-width: 576px) {
	html {
        font-size: 9px;
    }

    img {
        width: 100%;
        height: auto;
    }
    
    #header::after {
        display: none;
        height: 16px;
        bottom: -16px;
    }

    .header-box {
        height: 80px;
    }

    .header-logo img {
        height: 32px;
    }

    #header.scroll .header-logo img {
        height: 28px;
    }

    .btn {
        display: flex;
        gap: 0 8px;
        padding: 1.0em 1.4em;
        font-size: 1.6rem;
    }

    .btn::after {
        width: 6px;
        height: 6px;
    }

    .header-btn {
        padding: 1.3rem 3.5rem 1.3rem 2.5rem;
        font-size: 1.3rem;
    }

    .header-btn::after {
        right: 20px;
        width: 5px;
        height: 5px;
        border-right: 1.5px solid #fff;
        border-bottom: 1.5px solid #fff;
    }

    #bottom .upgrade-type-btn {
        width: 90%;
    }

    #footer {
        padding: 3rem 2rem;
        font-size: 1.2rem;
    }

    #main {
        padding-top: 85px;
        background-image: url(../img/main_bg_s.jpg);
        background-size: contain;
        background-position: 0 120px;
    }
    #main .content-box {
        min-height: calc(100vh - 100px);
    }
    .main-head {
        padding-top: 0;
        text-align: center;
    }
    .main-head-balloon {
        display: inline-block;
        padding: 0.75em 1.5em 0.90em 1.5em;
        margin-bottom: 15px;
        font-size: 1.6rem;
    }
    .main-head-text {
        font-size: 30px;
        letter-spacing: 0.08em;
        line-height: 1.6;
    }
    .main-function-box {
        width: 100%;
        margin-top: 10px;
    }
    .main-function-head {
        gap: 0 15px;
        margin-bottom: 10px;
        font-size: 1.2rem;
    }
    .main-function-head::before, .main-function-head::after {
        height: 20px;
    }
    .main-function-list {
        justify-content: center;
    }
    .main-function-list li {
        width: 70px;
        height: 70px;
        border-radius: 40px;
        font-size: 1.5rem;
        box-shadow: 0 0 0 2px #82ade3 inset, 0 0 0 3px rgba(255 255 255 / 0.5) inset, 0 0 0 1px rgba(255 255 255 / 1.0);
    }
    .main-function-list li:nth-of-type(2n) {
        box-shadow: 0 0 0 2px #78c9e3 inset, 0 0 0 3px rgba(255 255 255 / 0.5) inset, 0 0 0 1px rgba(255 255 255 / 1.0);
    }
    .main-img {
        width: 63vw;
        bottom: -5vh;
        right: -4vw;
    }
    .main-mark {
        top: auto;
        bottom: 27vh;
        right: 2.5vw;
    }
    .main-mark img {
        width: 25vw;
    }

    #trouble {
        padding-top: 40px;
    }
    #trouble::before {
        display: none;
    }
    .content-head {
        margin-bottom: 40px;
        font-size: 2.2rem;
    }
    .content-head::before {
        margin-bottom: 20px;
        font-size: 1.3rem;
    }
    .trouble-list {
        gap: 30px;
        padding-bottom: calc(33vh + 18vw);
    }
    .trouble-list::before {
        width: 30vh;
        height: 30vh;
        bottom: 19vw;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
    }
    .trouble-list::after {
        height: 18vw;
    }
    .trouble-list li {
        width: 100%;
        padding: 55px 25px 25px 25px;
    }
    .trouble-list li::before {
        width: 80px;
        height: 60px;
        top: -15px;
        left: 50%;
        margin-left: -40px;
    }
    .trouble-head {
        margin-bottom: 8px;
        font-size: 1.8rem;
    }
    #solution {
        margin-top: 45px;
    }
    #solution .content-box {
        padding-top: 80px;
    }
    .text-decoration {
        font-size: 2.3rem;
    }
    .text-main {
        font-size: 2.2rem;
    }
    .solution-box {
        padding: 50px 25px 40px 25px;
    }
    .solution-img {
        width: 70vw;
        margin: -100px auto 20px auto;
    }
    .solution-img img {
        width: 100%;
        height: auto;
    }
    .solution-deco {
        display: none;
    }
    .solution-box-head {
        margin-bottom: 20px;
        font-size: 1.8rem;
        line-height: 1.7;
    }
    .solution-box-name {
        margin-top: 5px;
        font-size: 3.2rem;
    }
    .solution-list {
        gap: 8px;
        margin-top: 20px;
    }
    .solution-list li {
        padding: 0.75em 1.25em;
        font-size: 1.6rem;
    }
    #reason {
        margin-top: 60px;
        padding-bottom: 60px;
    }
    .reason-box, .reason-box:nth-of-type(2) {
        gap: 30px 0;
    }
    .reason-box:not(:last-of-type) {
        margin-bottom: 45px;
    }
    .reason-img {
        width: 100%;
    }
    .reason-box:nth-of-type(2) .reason-img {
        margin-right: 0;
    }
    .reason-img img {
        box-shadow: none;
    }
    .reason-title {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 20px;
        font-size: 2.0rem;
        text-align: center;
    }
    .reason-title::before {
        width: 50px;
        height: 30px;
        background-size: contain;
    }
    .reason-box p.content-text {
        margin-bottom: 10px;
    }
    .cta-copy {
        margin-bottom: 20px;
        font-size: 1.5rem;
    }
    .cta-title-top {
        margin-bottom: 15px;
        font-size: 1.8rem;
    }
    .cta-title-main {
        font-size: 42px;
    }
    .cta-img {
        text-align: center;
    }
    .cta-img img {
        width: 70%;
    }
    .cta-btn-box {
        padding: 55px 0 35px 0;
    }
    .cta-area .content-box {
        flex-direction: column;
        gap: 20px;
    }
    .cta-btn-box .cta-btn,
    .cta-btn-box .cta-btn-contact {
        justify-content: center;
        font-size: 2.0rem;
        text-align: center;
    }
    #function {
        padding: 60px 0;
    }
    .function-list {
        gap: 2px;
    }
    .function-list li {
        width: calc((100% - 2px) / 2);
        padding: 15px 15px 20px 15px;
        border-radius: 0;
    }
    .function-list li:first-of-type {
        border-radius: 20px 0 0 0;
    }
    .function-list li:nth-of-type(2) {
        border-radius: 0 20px 0 0;
    }
    .function-list li:nth-last-of-type(2) {
        border-radius: 0 0 0 20px;
    }
    .function-list li:last-of-type {
        border-radius: 0 0 20px 0;
    }
    .function-name {
        margin-top: 12px;
        font-size: 1.4rem;
    }
    .function-img {
        padding: 10px 15px;
    }
    .function-list + .attention {
        margin-top: 15px;
        text-align: left;
    }
    #equipment {
        padding: 0 0 60px 0;
    }
    .equip-box {
        gap: 25px;
        padding: 30px 30px 30px 35px;
    }
    .equip-box:first-of-type {
        padding: 45px 30px;
    }
    .equip-img {
        width: 32.5vw;
    }
    .equip-box:first-of-type .equip-img {
        padding: 0 15px;
    }
    .equip-name {
        margin-bottom: 5px;
        font-size: 1.8rem;
    }
    .equip-box:first-of-type .equip-name {
        margin-bottom: 15px;
        font-size: 2.0rem;
    }
    .equip-box:first-of-type .equip-name + .content-text {
        padding: 0 10px;
    }
    #option {
        padding: 0 0 45px 0;
    }
    .option-head {
        width: 100%;
        padding: 1.25em 0;
        font-size: 1.8rem;
        border-radius: 0;
    }
    .option-wrap {
        margin-top: 30px;
    }
    .option-slide {
        padding: 15px 0;
        width: 260px !important;
    }
    .option-slide img {
        margin-bottom: 20px;
        border-radius: 5px;
        box-shadow: 0 0 0 7px #fff, 0 0 20px rgba(51 51 51 / 0.2);
    }
    #step {
        margin-bottom: 45px;
    }
    .step-link img {
        border-radius: 10px;
    }
}

@media (max-width: 360px) {
	html {
        font-size: 8.5px;
    }
}