.sponly {
    display: none;
}
body {
    font-family: "Zen Maru Gothic", sans-serif;
    margin: 0;
}
img {
    width: 100%;
}
header {
    position: absolute;
    margin: 0 auto;
    z-index: 10;
    left: 5%;
    top: 3%;
}
header h1 img {
    width: 44%;
}
h2.tit img {
    width: 34%;
}
dt.q:hover {
    cursor: pointer;
}
dd img {
    width: 38px;
    height: auto;
    object-fit: contain;
    margin-left: -5px;
    margin-right: 1em;
}
.inner2 {
    width: 1280px;
    display: block;
    margin: 0px auto;
    overflow: hidden;
}
section.top-img {
    margin-top: 3em;
        padding-bottom: 2%;
}
h2.tit {
    text-align: center;
    color: rgb(49, 100, 218);
    font-size: 48px;
    margin: 0px;
    line-height: 0;
    background: unset;
}
.sponly {
    display: none !important;
}
section#steps {
    background: #ecf6fd;
    margin-top: 0%;
}
section.top-img p {
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: rgb(70, 70, 70);
}
.feature {
    display: flex;
    align-items: center;
    box-sizing: border-box;
    gap: 0;
    margin: 0;
    padding: 0 0 6%;
    justify-content: center;
}
.step-menu {
    width: 75%;
    list-style: none;
    padding: 0px;
    margin: 0px;
}
.hover-ex {
    display: flex;
    align-items: center;
    gap: 40px;
}
.hover-ex span {
    color: rgb(255, 239, 0);
    font-size: 25px;
    font-family: Oswald, sans-serif;
    font-weight: bold;
    letter-spacing: 2px;
    width: 26%;
    display: block;
    text-align: center;
    height: 42px;
    background: rgb(53, 105, 220);
    border-radius: 40px;
}
section.top-img .hover-ex p {
    font-size: 25px;
    line-height: 32px;
    text-align: left;
}
    img.bt-arrow {
        position: absolute;
        width: 4%;
        z-index: 10;
        bottom: -13%;
        left: 12%;
    }
    ul.kv-sns.pc-tab {
    display: flex;
    align-items: center;
    position: absolute;
    top: calc(100% - 63%);
    gap: 20px;
    left: 4%;
}
.view {
    width: 40%;
    overflow: hidden;
    background-image: url(./img/step-back.webp);
    background-size: contain;
    background-repeat: no-repeat;
    min-height: 580px;
    position: relative;
    box-sizing: border-box;
}

.slides {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 580px;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease, visibility .5s ease;
    padding: 8% 17% 0 6%;
    box-sizing: border-box;
}
section#areas h2 {
    margin: 6% 0 0;
}
.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide img {
    width: 84%;
    display: block;
}

.slide p.number {
    margin: 0;
    padding: 5px 10px;
}

.slide h4.original-font {
    line-height: 30px;
    margin: 10px 0 0;
}
.item {
    cursor: pointer;
    padding: 0;
    transition: 0.3s;
    display: flex;
    justify-content: center;
}
li.item img {
    width: 74%;
}
section.normal p {
    font-size: 20px;
    text-align: center;
    font-weight: bold;
}
p.tit-bottom {
    font-size: 20px;
    text-align: center;
    font-weight: bold;
    color: rgb(70, 70, 70);
    line-height: 30px;
    margin: 0px;
}
dl.qalist {
    width: 66%;
    background: #ecf6fd;
    border-radius: 20px;
    margin: 0px auto 1%;
}
dl.qalist dt, .qa-inner {
    display: flex;
    font-size: 24px;
    font-weight: bold;
    position: relative;
    padding: 20px 10px;
    align-items: center;
}
dl.qalist dt img {
    width: 50px;
    height: auto;
    object-fit: cover;
    margin: 0px 1em 0px 0px;
}
dt.q span {
    position: absolute;
    right: 3%;
    color: rgb(48, 103, 218);
    font-weight: bold;
    font-size: 34px;
    top: 22%;
}
dl.qalist dd {
    margin-block-start: 0px;
    padding-inline-start: 0px;
    margin-inline-start: 0px;
    font-size: 24px;
    font-weight: bold;
    display: none;
    padding: 0 3em 1em 28px;
}
.qa-inner {
    font-size: 22px;
    line-height: 30px;
    color: rgb(51, 102, 220);
    padding: 0px;
}
dl.qalist dd.active {
    display: block;
}
dl.qalist dd p {
    text-align: left;
    color: rgb(70, 70, 70);
    line-height: 28px;
    font-weight: 600;
    margin: 20px 5%;
}
.blue-box.qalink:hover {
    opacity: 0.8;
}
.blue-box.qalink a {
    color: #fff;
    text-decoration: none;
    /* padding: 1%; */
}
.blue-box.qalink {
    color: rgb(255, 255, 255);
    font-size: 30px;
    font-weight: bold;
    padding: 10px 0;
    box-sizing: border-box;
}
.blue-box {
    text-align: center;
    position: relative;
    width: 66%;
    background: rgb(48, 103, 214);
    padding: 0.5em 2em 1em;
    margin: 1em auto 0px;
    border-radius: 20px;
}
section#pr02 {
    margin-top: -1%;
}
section#qas {
    padding: 3em 0 5em;
}
footer {
    padding: 6% 0 1%;
    background: #f0f8ff;
    margin-top: -1%;
}
.foot-logo img {
    width: 26%;
    margin: 0px;
}
#copy {
    display: flex;
    justify-content: space-between;
}
#copy ul {
    display: flex;
    justify-content: left;
    padding-inline-start: 0px;
    gap: 30px;
}
#copy ul a:hover {
    color: #3366dc;
}
#copy ul a {
    color: rgb(70, 70, 70);
    font-size: 14px;
    text-decoration: none;
    font-weight: bold;
}
ul {
    list-style: none;
}
img#top-link {
    position: fixed;
    right: 1%;
    width: 10%;
    z-index: 100;
    bottom: 1%;
}
ul.kv-sns.pconly {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 30px;
    top: 84%;
    left: 3%;
}
section {
    position: relative;
}
.pr-sns {
    display: flex;
    align-items: center;
    gap: 40px;
    position: absolute;
    right: 20%;
    bottom: 16%;
}
.pr-sns img.qr {
    width: 20%;
}
section#area .inner2 img {
    width: 80%;
    margin: 0 auto;
    display: block;
}
section#area {
    padding: 3em 0 0;
}
ul.ft-sns {
    position: absolute;
    display: flex;
    gap: 30px;
    align-items: center;
    right: 30%;
    bottom: 7%;
}
ul.ft-sns img.qr {
    width: 40%;
}
.feature.pconly .item[data-index="2"] img, .feature.pconly .item[data-index="3"] img, .feature.pconly .item[data-index="4"] img {
    margin-top: -12px;
}
section.pr {
    margin-top: -1%;
}
.sp-sp {
    display: none;
}
.pc-tab.sliders.lock {
    display: none;
}
section.kv img.qr {
    width: 40%;
}
img.st-num {
    width: 50%;
    margin: 0 auto 10px;
    display: block;
    margin-left: 16%;
}
img.area-img2 {
    margin-top: -2%;
}
.inner3 {
    width: 76%;
    margin: 0 auto;
}
dt.q.active span.open {
    display: none;
}
/* ===== 緊急お知らせ欄（中央揃え） ===== */
.emergency-notice {
    padding: 4% 0;
    background: #fff;
}
.emergency-notice .inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 5%;
}
.notice-box {
    border: 2px solid #e60012;   /* 赤枠（緊急を示す） */
    border-radius: 6px;
    padding: 28px 32px;
    background: #fff;
    text-align: center;          /* ★ 全体を中央揃え */
}
.notice-ttl {
    font-size: 1.3rem;
    font-weight: bold;
    color: #1a5ec7;              /* ブランドの青 */
    letter-spacing: 0.15em;      /* 「お知らせ」を少し広げて掲示感を出す */
    margin: 0 0 10px;
}
.notice-date {
    font-size: 0.85rem;
    color: #666;
    margin: 0 0 16px;
}
.notice-text {
    font-size: 0.95rem;
    line-height: 1.9;
    color: #333;
    margin: 0 0 16px;
    text-align: center;
}
.notice-link a {
    display: inline-block;
    font-size: 0.95rem;
    color: #1a5ec7;
    text-decoration: underline;
    word-break: break-all;       /* 長いURLの折り返し */
}
.notice-link a:hover {
    opacity: 0.7;
}

@media (max-width: 768px) {
    .notice-box { padding: 20px 16px; }
    .notice-ttl { font-size: 1.15rem; }
    .notice-text {
        font-size: 0.9rem;
        text-align: left;        /* ★ SPは本文だけ左揃えで読みやすく */
    }
}



@media screen and (max-width: 1920px) {
ul.kv-sns.pconly {
    top: calc(100% - 65%);
}
ul.ft-sns {
    right: calc(100% - 77%);
    bottom: 13%;
}
    .pr-sns {
        right: calc(100% - 82%);
        bottom: calc(100% - 76%);
    }
}
@media screen and (max-width: 1820px) {
ul.ft-sns {
        right: 19%;
        bottom: 7%;
    }
}
@media screen and (max-width: 1620px) {
ul.ft-sns {
        right: 18%;
        bottom: 13%;
    }
}

@media screen and (max-width: 1580px) {
ul.ft-sns {
        right: calc(100% - 79%);
        bottom: 14%;
    }
        .pr-sns {
        right: calc(100% - 86%);
        bottom: calc(100% - 86%);
    }
}
@media screen and (max-width: 1440px) {
    .pr-sns {
        right: calc(100% - 90%);
    }
    ul.ft-sns {
        right: calc(100% - 85%);
        bottom: 9%;
    }
    ul.kv-sns.pc-tab {
    left: 3%;
}
dl.qalist dd p {
    margin: 20px 0% 20px 7%;
}
}
@media screen and (max-width: 1368px) {
        ul.kv-sns.pc-tab {
        left: 2%;
    }
    ul.ft-sns {
        right: calc(100% - 85%);
        bottom: 8%;
    }
}
@media screen and (max-width: 1280px) {
            .pr-sns {
        right: calc(100% - 89%);
        bottom: calc(100% - 95%);
    }
        ul.kv-sns.pc-tab {
        left: 2%;
        width: 37%;
    }
    header h1 img {
    width: 48%;
}
ul.ft-sns {
        right: calc(100% - 92%);
        bottom: 0;
    }
    .inner2 {
    width: 100%;
    }
}
@media screen and (max-width: 1180px) {
        ul.ft-sns {
        right: 8%;
        bottom: 1%;
    }
    dl.qalist dt, .qa-inner {
    display: flex;
    font-size: 24px;
    font-weight: bold;
    position: relative;
    padding: 20px 46px 20px 5px;
    align-items: center;
}
}
@media screen and (max-width: 1080px) {
    ul.kv-sns.pc-tab {
    width: 38%;
}
       .swiper {
        padding-bottom: 10% !important;
       } 
       .swiper-pagination {
    bottom: 3% !important;
}
.swiper-pagination-bullet {
    width: var(--swiper-pagination-bullet-width, var(--swiper-pagination-bullet-size, 20px)) !important;
    height: var(--swiper-pagination-bullet-height, var(--swiper-pagination-bullet-size, 20px)) !important;
    margin: 0 15px !important;
}
ul.ft-sns {
        right: 2%;
        bottom: 1%;
    }
}
@media screen and (max-width: 1026px) {
    .pconly {
    display: none;
}
ul.ft-sns {
        right: 17%;
        bottom: 10%;
    }
.qa-inner {
    padding: 0 7% 20px 10px;
}
section#steps {
    background: #ecf6fd;
    margin-top: -3%;
}
.swiper-slide img.st-num {
    width: 50%;
    margin: 30px auto 0;
}
img.st-num {
    width: 36%;
    margin: 20px auto 10px;
}
footer p {
    text-align: center;
}
dd img {
    margin-left: -17px;
}
#sp-btn.opened img.op-btn, .sp-menu-back, img.sponly.op-logo, h1.logo.opened img.main-logo {
        display: none;
    }
    .pr-sns.pc-tab ul {
    width: 50%;
}
    ul.kv-sns.pc-tab img.qr {
    width: 50%;
}
#prices img.wid80 {
    width: 80%;
    margin: 6% auto;
    display: block;
}
ul.kv-sns.pc-tab {
        left: 6%;
        width: 42%;
    }
        dl.qalist dd p {
        margin: 0 1em 20px 3em;
    }
.sponly {
    display: block;
}
.inner2 {
    width: 100%;
}
header h1 img {
    width: 40%;
}
header {
    top: 1%;
}
dl.qalist dt, .qa-inner {
    padding: 20px 7% 20px 10px;
    line-height: 32px;
}
.swiper-wrapper {
  align-items: stretch;
  margin-left: -5%;
}
.swiper-slide {
    border: 4px solid #3067da;
    border-radius: 20px;
    background: #f9fbfd;
    height: auto !important;
  display: flex;
  padding-bottom: 6%;
}
.swiper-slide img {
    width: 50%;
    margin: 0 auto;
    display: block;
}
section.top-img {
    padding-bottom: 6%;
}
#sp-btn {
        color: rgb(255, 255, 255);
        text-align: center;
        padding: 0px;
    }
    header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        box-sizing: border-box;
        padding: 1.5% 5%;
    }
        ul {
        padding-inline-start: 0px;
    }
    .sp-menu-back ul li {
        text-align: center;
        box-sizing: border-box;
        padding: 10px 0px;
    }
        .sp-menu-back ul a {
        color: rgb(255, 255, 255);
        font-size: 42px;
        font-weight: bold;
        text-decoration: unset;
    }
    .sp-sp {
    display: none;
}
header {
    left: 0%;
}
ul.kv-sns .qr {
    width: 60%;
}
    ul.kv-sns.pconly {
        width: 40%;
        left: 5%;
    }
        .pr-sns {
        right: calc(100% - 88%);
        bottom: calc(100% - 102%);
        width: 32%;
    }
    ul.ft-sns {
        width: 38%;
    }
    .foot-logo {
    text-align: center;
}
#copy {
    display: block;
}
#copy ul li {
    display: inline-block;
    width: 30%;
}
#copy ul {
    display: block;
    text-align: center;
}
#copy p {
    text-align: center;
}
.pc-tab.sliders.lock {
    display: block;
}
    .swiper-slide img {
        width: 90%;
    }
    dt.q span {
    top: 30%;
}
}
@media screen and (max-width: 980px) {
    ul.ft-sns {
        right: 17%;
        bottom: 1%;
    }
}
h1.logo {
    margin-top: 0;
}
@media screen and (max-width: 920px) {
h1.logo {
    margin-top: 0;
}
}
@media screen and (max-width: 769px) {
header h1 img {
        width: 32%;
    }
    h1.logo {
    margin-top: 0%;
}
        header {
        left: 0%;
        top: 0;
        padding: 0 5%;
    }
    dl.qalist, .blue-box {
    width: 82%;
    }
}
@media screen and (max-width: 581px) {
h1.logo {
    margin-top: 0%;
}
.blue-box.qalink {
    font-size: 22px;
    padding: 5px 0;
    box-sizing: border-box;
    border-radius: 6px;
}
.qa-inner {
    align-items: start;
    padding: 0 12% 20px 0;
    margin-left: -2%;
}
dl.qalist dt, .qa-inner {
        align-items: start;
    }
dd img {
    width: 23px;
        margin-left: -13px;
        margin-right: 7px;
        padding-top: 2%;
}
dl.qalist dt.q.active {
    padding: 20px 12% 0 7px;
}
.sp-menu-back.sponly.sp-sp.opened ul.menu-sns {
    width: 85%;
    margin: 0 auto;
}
.inner3 {
    width: 92%;
}
ul.sns-col2 img {
    height: 50px;
    width: auto;
}
.sp-menu-back.sponly.sp-sp.opened ul {
    margin-bottom: 21%;
}
#whats ul.sns-col2 img {
        height: 54px;
        width: auto;
    }
section.blue-back.ft-top {
        padding-bottom: 20%;
    }
    dt.q span {
    top: 32%;
}
}
@media screen and (max-width: 540px) {
header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        box-sizing: border-box;
        padding: 3.5% 2%;
    }
    .sp-inner.opened {
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    z-index: 100;
}

    .pc-tab , img.cl-btn, .sp-menu-back.sponly.sp-sp, img#top-link{
    display: none !important;
}
.sp-sp {
    display: block;
}
.sponly {
        display: block !important;
    }
    h1.logo img.sponly.op-logo {
    display: none !important;
}
.sp-inner.opened h1.logo img.sponly.op-logo {
    display: block !important;
}
.sp-inner.opened h1.logo {
    margin: 2%;
}
dl.qalist dd {
    padding: 0px 28px 10px;
}

img.op-btn, img.cl-btn {
        width: 52%;
        margin-top: 4%;
        box-sizing: border-box;
        float: right;
    }
    header .inner {
    display: flex;
    align-items: normal;
    padding: 0 2%;
        box-sizing: border-box;
}
    header h1 img {
        width: 98%;
    }
    section.kv img {
    margin-top: calc(100% - 80%);
}
.apli-inner {
    background-image: url(./img/dounload-back.webp);
    background-size: contain;
    min-height: 185px;
    width: 100%;
    position: relative;
    background-repeat: no-repeat;
}
ul.sns-col2 {
        display: block;
        align-items: unset;
        justify-content: center;
        /* gap: 20px; */
        position: relative;
        bottom: unset;
        left: unset;
        margin: 0 auto;
        width: 86%;
        padding-top: 18%;
        padding-bottom: 5%;
        box-sizing: border-box;
    }
    section.pr ul.sns-col2 {
    padding-top: 59%;
    width: 79%;
}
section.blue-back.ft-top ul.sns-col2 {
    padding-top: 59%;
}
    html {
    max-width: 100vw;
    overflow-x: hidden;
}
    ul.sns-col2 li {
    display: inline-block;
            width: 48%;
}
.apli-inner.sponly.off ul.sns-col2 {
    bottom: calc(100% - 101%);
}
.apli-inner.sponly.off {
    background-image: url(./img/off-back.webp);
    background-size: 100%;
        min-height: 320px;
}
section#area .inner2 img {
    width: 98%;
}
section#qas h2.tit img {
    width: 92%;
}
dl.qalist, .blue-box {
        width: 94%;
    }
    dl.qalist dt, .qa-inner {
        padding: 20px 11% 20px 10px;
    }
dl.qalist dt, .qa-inner {
    font-size: 18px;
}
section.blue-back.ft-top img.top-go {
    width: 30%;
    position: absolute;
    bottom: 3%;
    left: calc(100% - 67%);
}
section.blue-back.ft-top {
    background-color: #3067d6;
    background-image: url(./img/foot-back-sp.webp);
    background-size: contain;
    min-height: 500px;
    background-repeat: no-repeat;
    padding-bottom: 18%;
}
section.blue-back.ft-top ul.sns-col2 {
           bottom: calc(100% - 66%);
        left: 6%;
        margin: 0 2%;
}
.fuki {
    padding: 5% 2%;
    box-sizing: border-box;
    width: 80%;
    margin: 0 auto;
}
.fuki {
    padding: 5% 2% 8%;
    box-sizing: border-box;
    width: 80%;
    margin: 0 auto;
}
section#prices .inner {
    background: #ECF6FD;
}
.foot-logo img {
    width: 60%;
    margin: 0 auto;
}
    .swiper-pagination {
        bottom: -1% !important;
    }
    #copy ul {
        display: flex;
        text-align: center;
        flex-wrap: wrap;
        column-gap: 15px;
        justify-content: center;
        text-align: center;
        row-gap: 0;
    }
    #copy ul li {
        display: unset;
        width: auto;
        white-space: nowrap;
        line-height: 22px;
    }
    .sp-menu-back.opened, .sp-inner.opened img.sponly.op-logo, #sp-btn.opened img.cl-btn {
    display: block;
} 
.sp-menu-back.sponly.sp-sp.opened {
    display: block !important;
    background: #0066ff;
    font-size: 21px;
}
    .sp-menu-back ul a {
        color: rgb(255, 255, 255);
        font-size: 20px;
    }
    .sp-inner.opened img.main-logo {
    display: none;
}
.sp-inner.opened header {
        background: #0066ff;
    }
     #sp-btn.opened img.cl-btn {
    display: block !important;
    width: 52%;
        margin-top: 0%;
        box-sizing: border-box;
} 
p.f-white {
    color: #fff;
    font-weight: bold;
    text-align: center;
    margin-bottom: 0;
}
.sp-menu-back.sponly.sp-sp.opened ul.menu-sns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 85%;
        margin: 0 auto;
}
p.sp-menu-copy {
    color: #fff;
        text-align: center;
        font-size: 9px;
        padding-bottom: 0%;
}
footer {
    padding: 2em 2%;
}
dl.qalist dd p {
    font-size: 18px;
    margin-left: 4.5%;
    line-height: 24px;
}
    dl.qalist dt, .qa-inner {
        padding: 20px 12% 20px 7px;
        box-sizing: border-box;
        line-height: 26px;
    }
    dl.qalist dt img {
    width: 32px;
    height: auto;
    object-fit: cover;
    margin: 0px 5px 0px 0px;
}
h1.logo {
    margin: 1% 2%;
}
.sp-menu-back.sponly.sp-sp.opened {
    margin-top: 10%;
    padding: 20% 0 5%;
    border-radius: 16px;
}
.pc-tab.sliders.lock {
        display: block !important;
    }
    section#prices {
    padding-bottom: 5%;
    background: aliceblue;
}
footer p {
    text-align: center;
    font-size: 12px;
}
.sp-inner.opened header {
    padding: 6% 2%;
    box-sizing: border-box;
    border-radius: 14px;
}
section.top-img {
        padding-bottom: 18%;
    }
.swiper-pagination.swiper-pagination-clickable.swiper-pagination-bullets.swiper-pagination-horizontal {
    bottom: -5%;
}
}

@media screen and (max-width: 431px) {
    section.blue-back.ft-top {
        padding-bottom: 6%;
    }
}
@media screen and (max-width: 391px){
    #whats ul.sns-col2 img {
        height: 48px;
    }
        .sp-inner.opened {
        width: 100vw;
        }
}
@media screen and (max-width: 381px) {
section.blue-back.ft-top ul.sns-col2 {
        bottom: calc(100% - 62%);
        left: 0%;
    }
        dl.qalist dd p {
        margin-left: 5%;
        }
    ul.sns-col2 img {
    height: 42px;
    }
    section.blue-back.ft-top {
        padding-bottom: 0%;
    }
    section.blue-back.ft-top img.top-go {
        bottom: 8%;
    }
        ul.sns-col2 {
        bottom: calc(100% - 73%);
        left: 0;
        padding: 0 12%;
    }
    .apli-inner.sponly.off ul.sns-col2 {
        bottom: 19%;
        left: 0;
        padding: 0 10px;
    }
    ul.sns-col2 li {
        display: inline-block;
        width: 48%;
        vertical-align: middle;
    }
    ul.sns-col2 {
        width: 100%;
    }
    ul.sns-col2 {
        bottom: calc(100% - 73%);
        left: 0;
        padding: 0 7%;
        padding-top: 17%;
        vertical-align: middle;
    }
    .apli-inner.sponly.off ul.sns-col2 {
        bottom: 19%;
        left: 0;
        padding: 59% 10px 3%;
    }
        
    section.blue-back.ft-top {
        padding-bottom: 0%;
    }
    img.op-btn, img.cl-btn {
        margin-top: 10%;
    }
}
/* =========================================================
   SP版ハンバーガーメニュー改修（末尾に追記・既存を上書き）
   ・スクロール追従：header ごと固定（ロゴ＋ハンバーガーを一緒に追従）
   ・展開時：全画面オーバーレイ＋背面をやや透過（暗転）
   ・開閉／外タップで閉じる挙動は script.js が担当
   ========================================================= */
@media screen and (max-width: 540px) {

    /* スクロール追従：header ごと固定（内部レイアウトは維持＝ロゴサイズそのまま） */
    header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 200;
        background: #fff;   /* 白ベタ背景：スクロール時に背面テキスト等の透けを防ぐ */
    }

    /* 展開時：全画面オーバーレイ＋背面をやや透過（暗転） */
    .sp-menu-back.sponly.sp-sp.opened {
        position: fixed;
        inset: 0;
        width: 100vw;
        height: 100vh;
        height: 100dvh;                       /* モバイル実表示の高さに対応 */
        margin-top: 0;
        padding: 24% 0 10%;
        border-radius: 0;
        z-index: 150;                         /* 本文より前面・ヘッダー(200)より背面 */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        background: rgba(0, 102, 255, 0.92);  /* ← 透過度をここで調整 */
    }

    /* 展開中は背面ページのスクロールを固定 */
    body.opened {
        overflow: hidden;
    }
}