@charset "UTF-8";

:root {
    --red: #FF4D4D;
    --ink: #2B2B2B;
    --muted: #F6F8FA;
    --header: 64px
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px
}

body {
    margin: 0;
    padding-top: var(--header);
    color: var(--ink);
    background: #fff;
    font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN", "Yu Gothic", Meiryo, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}
a {
    color: inherit;
    text-decoration: none
}

button {
    font: inherit;
    cursor: pointer
}

img {
    max-width: 100%;
    height: auto;
}

button,
a,
summary {
    -webkit-tap-highlight-color: transparent
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 3px solid #135db8;
    outline-offset: 5px
}

button {
    border: 0
}

p {
    margin: 0 0 1em
}

.br-sp {
    display: none;
}

.br-pc {
    display: inline;
}

.skip {
    position: fixed;
    left: 12px;
    top: -100px;
    background: #fff;
    padding: 12px;
    z-index: 10
}

.skip:focus {
    top: 12px
}




/* header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: var(--header);
    background: var(--red);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(24px, calc((100vw - 640px)/2));
    gap: 40px;
    white-space: nowrap
}

.header .brand {
    color: #fff;
    font-size: 18px
}

.header .brand small {
    display: none
}

.header-cta {
    background: #fff;
    border: 2px solid #fff;
    color: var(--red);
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    padding: 4px 30px;
    text-align: center;
    transition: all 0.2s;
}
.header-cta:hover {
    background-color: var(--red);
    color: #fff;
}

.menu-toggle,
.mobile-menu {
    display: none;
}

.layout {
    max-width: 1200px;
    margin: auto;
    position: relative
}

main {
    width: 620px;
    max-width: 100%;
    margin: auto;
    padding: 50px 0 0
}

.sidebar {
    position: fixed;
    top: 120px;
    width: 205px;
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    font-size: 14px;
    font-weight: bold
}

.sidebar li {
    border-bottom: 1px solid #ddd;
    padding: 9px 0
}


.sidebar li span {
    color: var(--red);
}
.sidebar li:last-child {
    border-bottom: 0;
}
.sidebar .brand {
    font-size: 24px
}

.sidebar .brand small {
    font-size: 10px
}
.sidebar .logo {
    text-align: center;
}

.sidebar .button {
    position: relative;
    margin-top: 12px;
    padding: 9px;
    font-size: 14px;
    font-weight: bold;
    border: 2px solid var(--red);
    background: linear-gradient(100deg, #E62318, #FF5F5F);
    box-shadow: inset 0 0 0 100px rgba(255, 255, 255, 0), 3px 3px 5px rgba(0, 0, 0, .16);
    box-sizing: content-box;
    transition: color .3s ease, box-shadow .3s ease, filter .3s ease, transform .2s ease;
}

.sidebar .button::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 22px;
    width: 9px;
    height: 9px;
    border-top: 3px solid currentColor;
    border-right: 3px solid currentColor;
    transform: translateY(-50%) rotate(45deg);
    transition: transform .2s ease;
}
.sidebar .button span {
    font-size: 23px;
}
.sidebar .button:hover {
    color: var(--red);
    box-shadow: inset 0 0 0 100px rgba(255, 255, 255, 1), 3px 3px 5px rgba(0, 0, 0, .16);
}
.brand {
    display: block;
    color: var(--red);
    font-size: 36px;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -1px;
}

.brand span {
    font-weight: 600;
}

.brand small {
    display: block;
    font-size: 14px;
    letter-spacing: .03em;
    color: inherit;
    margin-bottom: 4px;
}

section {
    margin-bottom: 65px;
}

#hero-title {
    font-size: 48px;
    letter-spacing: .035em;
    margin: 0 0 25px;
}


h3 {
    line-height: 1.5;
}

main>section>p {
    font-size: 18px;
}

.hero-image {
    margin-bottom: 38px;
}
.hero-image img {
    width: 100%;
    border-radius: 8px;
    vertical-align: bottom;
    object-fit: cover;
}

.hero>p {
    font-size: 18px;
}

.toc {
    background: var(--muted);
    padding: 20px 25px;
    margin: 38px 40px 0;
    font-size: 16px;
    border-radius: 8px;
}

.toc ol {
    margin-bottom: 0;
    padding-left: 0;
    list-style: none;
}

.toc li {
    border-bottom: 1px dashed #bbb;
    padding: 14px 0;
    font-size: 16px;
}
.toc li:last-child {
    border-bottom: none;
}


.section-title {
    position: relative;
    font-size: 36px;
    border-left: 0;
    border-bottom: 1px solid #707070;
    padding-left: 20px;
    padding-bottom: 15px;
}

.section-title::before {
    content: "";
    position: absolute;
    top: 0.25em;
    bottom: calc(0.25em + 15px);
    left: 0;
    width: 8px;
    background: var(--red);
}
.worries {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 38px;
    margin: 35px 20px;
}

.worries>div {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}

.worries>div:last-child {
    grid-column: 1/-1;
}

.person {
    width: 110px;
    height: 126px;
    object-fit: contain;
    margin: auto;
}

.worries p {
    font-weight: bold;
    font-size: 28px;
    line-height: 1.65;
    margin-top: 8px;
}

.actions {
    max-width: 540px;
    margin: 30px auto;
}

.action {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 80px;
    max-width: 358px;
    margin-top: 24px;
    margin-bottom: 5px;
    padding: 0 30px;
    border-radius: 8px;
}
.action:first-child {
    margin-top: 50px;
}
.action:nth-child(odd) {
    margin-left: auto;
    background: #FFE0E0;
}
.action:nth-child(even) {
    justify-content: flex-end;
    margin-right: auto;
    background: #FEFFE0;
}

.action .img {
    position: absolute;
    bottom: 0;
    width: 120px;
    height: 130px;
    margin: 0;
}
.action:nth-child(odd) .img {
    right: 16px;
}
.action:nth-child(even) .img {
    left: 16px;
}
.action p.txt {
    margin-bottom: 0;
    color: var(--red);
    font-weight: 700;
    font-size: 20px;
}


.hint {
    --accent: #ff4b50;
    margin: 35px 40px 48px;
}

.hint-2 {
    --accent: #4e93ff;
}

.hint-3 {
    --accent: #2bc832;
}

.hint-4 {
    --accent: #ff7b0b;
}

.hint-5 {
    --accent: #9149ff;
}

.hint-number {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    font-size: 20px;
    padding: 5px;
    border-radius: 4px;
}

.hint-number span {
    font-size: 36px;
    margin-right: 12px;
    font-weight: 900;
    line-height: 1;
}

.hint-lead {
    text-align: center;
    font-size: 20px;
    margin: 22px 0 0;
}

.hint h3 {
    color: var(--accent);
    font-size: 48px;
    text-align: center;
    margin: 0 0 20px;
}

.hint-note {
    font-size: 16px;
    background: var(--muted);
    padding: 15px 24px;
    border-radius: 4px;
    letter-spacing: 0.3px;
}

.hint-note span {
    padding: 1px 4px;
    color: #fff;
    background: var(--accent);
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

.hint-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 240px;
    margin: 25px 0 30px;
    box-shadow: 0 0 8px rgba(0, 0, 0, .12);
    border-radius: 4px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.hint-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0px 12px rgba(0, 0, 0, .18);
}

.hint-card>picture {
    display: block;
    height: 100%;
}

.hint-card>picture img {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 4px 0 0 4px;
    object-fit: cover;
}

.hint-card>div {
    background: var(--accent);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 25px;
    color: #fff;
    text-align: center;
    border-radius: 0 4px 4px 0;
}

.hint-card h4 {
    font-size: 20px;
    line-height: 1.5;
    margin: 0 0 20px;
    font-weight: 900;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #2B2B2B;
    font-size: 16px;
    font-weight: 700;
    border-radius: 30px;
    padding: 6px 17px;
}

.pill::after {
    content: "";
    flex: 0 0 auto;
    width: 8px;
    height: 8px;
    margin-left: 15px;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transform: rotate(45deg);
}

.hint>p:last-child {
    font-size: 18px;
}

.voices {
}

.voice {
    border-radius: 6px;
    padding: 24px 32px;
    margin-bottom: 25px;
    box-shadow: 0 0 8px rgba(0, 0, 0, .12);
}

.voice-clone {
    display: none;
}

.voice:nth-child(odd) {
    background: #FAF6F6;
}

.voice:nth-child(even) {
    background: #F6F8FA;
}

.voice.voice-clone-before {
    background: #F6F8FA;
}

.voice.voice-clone-after {
    background: #FAF6F6;
}

.voice .head {
    display: flex;
    gap: 20px;
    align-items: center;
}

.voice .head img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
}

.eyebrow {
    font-size: 16px;
    color: #000;
}

.voice h3 {
    font-size: 26px;
    margin: 4px 0 0;
}

.voice-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 24px;
}

.voice h4 {
    display: inline-block;
    font-size: 20px;
    color: #fff;
    background: var(--red);
    margin: 0;
    padding: 3px 15px;
    border-radius: 4px;
}

.voice-columns p {
    font-size: 16px;
    margin-top: 13px;
}

.comment_icon {
    position: relative;
    margin: 0;
    margin-bottom: -12px;
    margin-left: 20px;
}
.comment_icon img {
    width: 160px;
    vertical-align: bottom;
}
.voice-message {
    display: flex;
    justify-content: center;
    background: var(--red);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    padding: 17px;
    margin: 0;
    border-radius: 4px;
}

.voice-pagination {
    display: none;
}

.contents {
    text-align: center;
    margin-top: 110px;
}
.contents h2 {
    margin-bottom: 10px;
}
.contents h2 span {
    display: block;
    margin-bottom: 18px;
    font-size: 28px;
    font-weight: 900;
}

.contents .member-content-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 18px;
    color: var(--red);
    font-size: 28px;
    font-weight: 900;
}
.member-content-label::before,
.member-content-label::after,
.eligible-grade-label::before,
.eligible-grade-label::after {
  content: "";
  display: inline-block;
  width: 3px;
  height: 28px;
  background: currentColor;
  flex-shrink: 0;
}

/* 左側の斜線 */
.member-content-label::before,
.eligible-grade-label::before {
  transform: rotate(-25deg);
}

/* 右側の斜線 */
.member-content-label::after,
.eligible-grade-label::after {
  transform: rotate(25deg);
}

.plain-title {
    border: 0;
    padding: 0;
    text-align: center;
    font-size: 36px;
}

.contents .plain-title {
    color: var(--red);
    font-size: 16px;
    margin: 12px 0 24px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin: 40px 8px;
}

.content-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 3px 14px rgba(0, 0, 0, .14);
    transition: transform .2s ease, box-shadow .2s ease;
}

.content-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 18px rgba(0, 0, 0, .18);
}

.content-card img {
    display: block;
    width: 100%;
    border-radius: 4px 4px 0 0;
}

.content-card span {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 86px;
    padding: 14px 20px;
    border-radius: 0 0 4px 4px;
    background: #FCF039;
    color: var(--ink);
    font-size: 19px;
    font-weight: 700;
    line-height: 1.35;
}

.content-card span::after {
    content: "";
    right: 24px;
    width: 10px;
    height: 10px;
    margin-left: 25px;
    border-top: 3px solid currentColor;
    border-right: 3px solid currentColor;
    transform: rotate(45deg);
}

.image-button {
    padding: 0;
    background: none;
}

.image-button img {
    width: 100%;
}

.social-heading {
    font-size: 28px;
    margin: 45px 0 30px;
}

.social-link-grid {
    grid-template-columns: repeat(2, minmax(0, 240px));
    justify-content: center;
    gap: 40px;
}

.social-card {
    width: 100%;
    max-width: 240px;
    overflow: hidden;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 3px 14px rgba(0, 0, 0, .14);
    display: flex;
    flex-direction: column;
    transition: transform .2s ease, box-shadow .2s ease;
}

.social-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 18px rgba(0, 0, 0, .18);
}


.social-card-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 160px;
    padding: 24px 20px;
}

.social-card-image img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.social-card-label {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 64px;
    background: #00cf72;
    color: #fff;
    font-weight: 700;
    font-size: 19px;
    line-height: 1.3;
    padding: 14px 20px 14px 20px;
}

.social-card-label::after {
    content: "";
    width: 10px;
    height: 10px;
    margin-left: 25px;
    border-top: 3px solid currentColor;
    border-right: 3px solid currentColor;
    transform: rotate(45deg);
}

.social-card:last-child .social-card-label {
    background: #ec003e;
}

.closing {
    position: relative;
    text-align: center;
    margin: 90px 0 100px;
    padding: 0 20px;
}

.closing p {
    max-width: 480px;
    margin: 0 auto 58px;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.5;
}

.closing p:last-of-type {
    margin-bottom: 0;
}

.closing .closing-line {
    display: block;
    padding-bottom: 8px;
    margin-bottom: 8px;
    background: repeating-linear-gradient(
        to right,
        #bdbdbd 0 8px,
        transparent 8px 14px
    ) left bottom / 100% 2px no-repeat;
}

.closing .closing-line:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    background: none;
}

.closing strong {
    color: var(--red);
    font-weight: 700;
}

.closing-character {
    position: absolute;
    width: 82px;
    height: auto;
}

.closing-character-female {
    right: 0;
    top: 200px;
}

.closing-character-male {
    left: 0;
    top: 395px;
}

.register {
    padding: 0 48px;
    text-align: center;
}

.register>p {
    margin: 0;
}

.register .eligible-grade-label {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.5;
}
.register .eligible-grade-label::before {
    margin-right: 12px;
}
.register .eligible-grade-label::after {
    margin-left: 12px;
}
.register .eligible-grade-label span {
    color: var(--red);
}


.register>p:nth-child(2) {
    margin-top: 10px;
}

.register>p:nth-child(2) img {
    display: block;
    width: 440px;
    margin: 0 auto;
}

.button {
    display: block;
    border-radius: 50px;
    color: #fff;
    background: var(--red);
    padding: 12px 24px;
    text-align: center;
    font-weight: 700;
}

.register-button {
    position: relative;
    width: 100%;
    max-width: 524px;
    min-height: 68px;
    margin: 30px auto 22px;
    padding: 14px 72px 14px 40px;
    font-size: 36px;
    line-height: 1.4;
    border: 2px solid var(--red);
    background: linear-gradient(100deg, #E62318, #FF5F5F);
    box-shadow: inset 0 0 0 100px rgba(255, 255, 255, 0), 0 3px 5px rgba(0, 0, 0, .22);
    transition: color .3s ease, box-shadow .3s ease, filter .3s ease, transform .2s ease;
}

.register-button::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 40px;
    width: 12px;
    height: 12px;
    border-top: 4px solid currentColor;
    border-right: 4px solid currentColor;
    transform: translateY(-50%) rotate(45deg);
    transition: transform .2s ease;
}

.register-button:hover {
    color: var(--red);
    box-shadow: inset 0 0 0 100px rgba(255, 255, 255, 1), 0 3px 5px rgba(0, 0, 0, .22);
}

.register .brand {
    font-size: 38px;
}

#faq {
    padding: 0 30px;
}

details {
    background: var(--muted);
    margin-bottom: 10px;
    font-size: 18px;
    border-radius: 8px;
}

summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: "";
    width: 8px;
    height: 8px;
    margin-left: auto;
    margin-right: 5px;
    border-right: 3px solid currentColor;
    border-bottom: 3px solid currentColor;
    flex-shrink: 0;
    transform: translateY(-2px) rotate(45deg);
    transition: transform .2s ease;
}

details[open] summary::after {
    transform: translateY(2px) rotate(225deg);
}

.question,
.answer>span {
    font-size: 36px;
    font-weight: 700;
}

.answer {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: 14px;
    row-gap: 12px;
    padding: 14px 18px 18px;
}

.answer::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 18px;
    width: calc(100% - 36px);
    height: 1px;
    background-color: #2B2B2B;
    line-height: 1;
}
.answer>span {
    grid-column: 1;
    grid-row: 1;
    color: var(--red);
}

.answer p {
    margin: 5px 0;
}

.answer>p:first-of-type {
    grid-column: 2;
    grid-row: 1;
}

.answer .answer-detail {
    grid-column: 1 / -1;
    grid-row: 2;
    margin: 0;
    padding: 20px 24px;
    background: #FFFFFF;
    border-radius: 4px;
    font-size: 14px;
}

.share {
    text-align: center;
    margin: 70px 0 80px;
}

.share h2 {
    width: min(320px, 100%);
    margin: 0 auto 35px;
    padding-bottom: 28px;
    border-bottom: 1px solid #777;
    line-height: 1;
}

.share h2 img {
    display: block;
    width: 160px;
    margin: 0 auto;
}

.share>div {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 64px;
}

.share>div p {
    margin: 0;
}

.share a {
    display: block;
    width: 80px;
    cursor: pointer;
}

.share a img {
    display: block;
    width: 100%;
    height: auto;
}

.logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 24px;
}
.logos p {
    max-width: 64px;
    margin-bottom: 0;
}

.footer {
    text-align: center;
    margin: 0 auto 50px;
}

.footer .copyright {
    font-size: 10px;
    margin: 0;
}

.footer small {
    font-size: 10px;
    color: #777;
}

dialog {
    border: 0;
    border-radius: 12px;
    padding: 30px;
    max-width: min(460px, 90vw);
}

dialog::backdrop {
    background: #0007;
}

dialog h2 {
    font-size: 20px;
}

dialog p {
    font-size: 14px;
}

dialog .button {
    margin: auto;
}


@media(min-width:1500px) {
    .sidebar {
        left: calc(50% - 600px);
    }
}

@media(max-width:1299px) {
    .sidebar {
        display: none;
    }
}

@media(min-width:681px) and (max-width:1299px) {
    .header {
        gap: 8px;
    }

    .header>a:first-child {
        margin-right: auto;
    }

    .menu-toggle {
        position: relative;
        display: flex;
        flex: 0 0 36px;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        padding: 0;
        border-radius: 50%;
        background: #fff;
        color: var(--red);
        z-index: 2;
    }

    .menu-toggle span {
        position: absolute;
        width: 19px;
        height: 2px;
        border-radius: 2px;
        background: currentColor;
        transition: transform .25s ease, opacity .2s ease;
    }

    .menu-toggle span:nth-child(1) {
        transform: translateY(-6px);
    }

    .menu-toggle span:nth-child(3) {
        transform: translateY(6px);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: rotate(-45deg);
    }

    .mobile-menu {
        position: fixed;
        inset: var(--header) 0 0;
        z-index: 99;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        background: #fff;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
        overscroll-behavior: contain;
    }

    .mobile-menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .mobile-menu-nav {
        flex: 0 0 auto;
        padding: 20px 24px 22px;
        background: var(--red);
        color: #fff;
    }

    .mobile-menu-nav ul {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    .mobile-menu-nav li {
        border-bottom: 1px dashed rgba(255, 255, 255, .65);
    }

    .mobile-menu-nav li:last-child {
        border-bottom: 0;
    }

    .mobile-menu-nav a {
        display: flex;
        align-items: center;
        min-height: 53px;
        font-size: 15px;
        font-weight: 700;
        line-height: 1.45;
    }

    .mobile-menu-promo {
        display: flex;
        flex: 1 0 auto;
        flex-direction: column;
        align-items: center;
        padding: 27px 24px 32px;
        text-align: center;
        background: #fff;
    }

    .mobile-menu-tagline {
        margin: 0 0 10px;
        color: var(--ink);
        font-size: 15px;
        font-weight: 700;
    }

    .mobile-menu-tagline strong {
        color: var(--red);
    }

    .mobile-menu-logo {
        width: 240px;
        margin: 0;
    }

    .mobile-menu-logo img {
        display: block;
        width: 100%;
    }

    .mobile-menu-cta {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        max-width: 324px;
        min-height: 48px;
        margin-top: 26px;
        padding: 10px 42px 10px 22px;
        border-radius: 28px;
        background: linear-gradient(100deg, #ed1c15, #ff6669);
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        white-space: nowrap;
        box-shadow: 0 3px 8px rgba(0, 0, 0, .15);
    }

    .mobile-menu-cta::after {
        content: "";
        position: absolute;
        top: 50%;
        right: 24px;
        width: 9px;
        height: 9px;
        border-top: 3px solid currentColor;
        border-right: 3px solid currentColor;
        transform: translateY(-50%) rotate(45deg);
    }

    body.menu-open {
        overflow: hidden;
    }

    body.menu-open .header-cta {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }
}

@media(max-width:680px) {
    :root {
        --header: 56px;
    }

    .br-sp {
        display: inline;
    }

    .br-pc {
        display: none;
    }

    .header {
        padding: 0 16px;
        gap: 8px;
    }

    .header>a:first-child {
        display: flex;
        min-width: 0;
        margin-right: auto;
    }

    .header>a:first-child img {
        display: block;
        width: clamp(145px, 39vw, 195px);
    }

    .header .brand {
        font-size: 15px;
    }

    .header-cta {
        flex: 0 0 auto;
        font-size: 11px;
        padding: 8px 15px;
        transition: opacity .2s ease, visibility .2s ease;
    }

    .menu-toggle {
        position: relative;
        display: flex;
        flex: 0 0 36px;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        padding: 0;
        border-radius: 50%;
        background: #fff;
        color: var(--red);
        z-index: 2;
    }

    .menu-toggle span {
        position: absolute;
        width: 19px;
        height: 2px;
        border-radius: 2px;
        background: currentColor;
        transition: transform .25s ease, opacity .2s ease;
    }

    .menu-toggle span:nth-child(1) {
        transform: translateY(-6px);
    }

    .menu-toggle span:nth-child(3) {
        transform: translateY(6px);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: rotate(-45deg);
    }

    .mobile-menu {
        position: fixed;
        inset: var(--header) 0 0;
        z-index: 99;
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        background: #fff;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
        overscroll-behavior: contain;
    }

    .mobile-menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .mobile-menu-nav {
        flex: 0 0 auto;
        padding: 20px 24px 22px;
        background: var(--red);
        color: #fff;
    }

    .mobile-menu-nav ul {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    .mobile-menu-nav li {
        border-bottom: 1px dashed rgba(255, 255, 255, .65);
    }

    .mobile-menu-nav li:last-child {
        border-bottom: 0;
    }

    .mobile-menu-nav a {
        display: flex;
        align-items: center;
        min-height: 53px;
        font-size: 15px;
        font-weight: 700;
        line-height: 1.45;
    }

    .mobile-menu-promo {
        display: flex;
        flex: 1 0 auto;
        flex-direction: column;
        align-items: center;
        padding: 27px 24px 32px;
        text-align: center;
        background: #fff;
    }

    .mobile-menu-tagline {
        margin: 0 0 10px;
        color: var(--ink);
        font-size: 15px;
        font-weight: 700;
    }

    .mobile-menu-tagline strong {
        color: var(--red);
    }

    .mobile-menu-logo {
        width: 240px;
        margin: 0;
    }

    .mobile-menu-logo img {
        display: block;
        width: 100%;
    }

    .mobile-menu-cta {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        max-width: 324px;
        min-height: 48px;
        margin-top: 26px;
        padding: 10px 42px 10px 22px;
        border-radius: 28px;
        background: linear-gradient(100deg, #ed1c15, #ff6669);
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        white-space: nowrap;
        box-shadow: 0 3px 8px rgba(0, 0, 0, .15);
    }

    .mobile-menu-cta::after {
        content: "";
        position: absolute;
        top: 50%;
        right: 24px;
        width: 9px;
        height: 9px;
        border-top: 3px solid currentColor;
        border-right: 3px solid currentColor;
        transform: translateY(-50%) rotate(45deg);
    }

    body.menu-open {
        overflow: hidden;
    }

    body.menu-open .header-cta {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    main {
        padding: 32px 20px 0;
    }

    section {
        margin-bottom: 48px;
    }
    main>section>p {
        font-size: 16px;
    }

    #hero-title {
        font-size: clamp(26px, 5.5vw, 32px);
        margin-bottom: 36px;
    }
    .hero>p {
        font-size: 16px;
    }
    .hero-image {
        margin-bottom: 22px;
    }

    .section-title {
        padding-bottom: 10px;
        font-size: 26px;
    }
    .section-title::before {
        bottom: calc(0.25em + 10px);
    }

    .toc {
        margin: 25px 0 0;
        padding: 20px;
    }
    .toc li {
        font-size: 14px;
    }

    .worries {
        grid-template-columns: 1fr;
        gap: 14px;
        margin: 28px 20px 35px;
    }

    .worries>div {
        flex-direction: row;
        justify-content: flex-start;
        gap: 18px;
        min-height: 98px;
    }

    .worries>div:nth-child(odd) {
        flex-direction: row-reverse;
    }

    .worries p {
        flex: 1;
        margin: 0;
        font-size: clamp(16px, 4.6vw, 20px);
        line-height: 1.5;
    }

    .person {
        flex: 0 0 85px;
        width: 100px;
        height: 100px;
        margin: 0;
    }

    .action:nth-child(odd) {
        padding-left: 20px
    }

    .action:nth-child(even) {
        padding-right: 20px
    }

    .action img {
    }

    .action p {
        font-size: 13px;
    }

    .hint {
        margin: 28px 6px 48px
    }

    .hint-number {
        min-height: 30px;
        padding: 2px 10px;
        font-size: 14px;
    }

    .hint-number span {
        margin-right: 10px;
        font-size: 25px;
    }

    .hint-lead {
        margin-top: 12px;
        font-size: 14px;
    }

    .hint h3 {
        margin-bottom: 10px;
        font-size: 26px
    }

    .hint-note {
        padding: 10px 18px;
        font-size: 12px;
        line-height: 1.5;
    }

    .hint-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        min-height: 0;
        margin: 25px 18px 18px;
        overflow: hidden;
        border-radius: 4px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, .16);
    }

    .hint-card>picture {
        height: auto;
    }

    .hint-card>picture img {
        width: 100%;
        height: auto;
        border-radius: 4px 4px 0 0;
    }

    .hint-card>div {
        min-height: 92px;
        padding: 10px 14px 12px;
        border-radius: 0 0 4px 4px;
    }

    .hint-card h4 {
        margin-bottom: 8px;
        font-size: 14px;
        line-height: 1.4
    }

    .pill {
        min-width: 126px;
        font-size: 14px;
        padding: 7px 14px
    }

    .pill::after {
        margin-left: 10px;
        width: 6px;
        height: 6px;
    }

    .hint>p:last-child {
        font-size: 13px;
        line-height: 1.7;
    }

    .voices {
        display: flex;
        gap: 12px;
        overflow-x: auto;
        padding: 4px 51px 10px;
        scroll-padding-inline: 51px;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        overscroll-behavior-x: contain;
        -webkit-overflow-scrolling: touch;
        cursor: grab;
    }

    .voices::-webkit-scrollbar {
        display: none;
    }

    .voices.is-dragging {
        scroll-snap-type: none;
        cursor: grabbing;
        user-select: none;
    }

    .voices img {
        -webkit-user-drag: none;
    }

    .voice {
        display: flex;
        flex: 0 0 100%;
        flex-direction: column;
        min-width: 0;
        margin-bottom: 0;
        padding: 12px;
        scroll-snap-align: center;
        scroll-snap-stop: always;
    }

    .voice-clone {
        display: flex;
    }

    .voice-clone-before {
        order: -1;
    }

    .voice-clone-after {
        order: 1;
    }

    .voice .head {
        display: grid;
        grid-template-columns: 50px minmax(0, 1fr);
        gap: 8px 10px;
        align-items: center;
    }

    .voice .head>div {
        display: contents;
    }

    .voice .head img {
        grid-column: 1;
        grid-row: 1;
        width: 50px;
        height: 50px;
    }

    .voice .eyebrow {
        grid-column: 2;
        grid-row: 1;
        margin: 0;
        font-size: 12px;
        line-height: 1.4;
    }

    .voice h3 {
        grid-column: 1 / -1;
        grid-row: 2;
        margin: 0;
        font-size: 14px;
        line-height: 1.45;
    }

    .voice-columns {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-top: 10px;
        margin-bottom: 10px;
    }

    .voice h4 {
        font-size: 14px;
        padding: 3px 12px;
    }

    .voice-columns p {
        margin: 5px 0 0;
        font-size: 14px;
        line-height: 1.6;
    }

    .comment_icon {
        z-index: 1;
        width: 100%;
        margin: auto auto -8px;
        text-align: center;
    }

    .comment_icon img {
        width: 96px;
    }

    .voice-message {
        align-items: center;
        min-height: 62px;
        margin-top: 0;
        padding: 8px;
        font-size: 12px;
        line-height: 1.5;
    }

    .voice-pagination {
        display: flex;
        justify-content: center;
        gap: 12px;
        margin-top: 14px;
    }

    .voice-pagination button {
        width: 8px;
        height: 8px;
        padding: 0;
        border: 1px solid var(--ink);
        border-radius: 50%;
        background: #fff;
    }

    .voice-pagination button.is-active {
        background: var(--ink);
    }

    .voice-pagination button:focus-visible {
        outline-width: 2px;
        outline-offset: 3px;
    }

    .contents {
        margin-top: 65px
    }

    .contents h2 span {
        font-size: 20px;
    }
    .contents h2 img {
        max-width: 280px;
    }
    .contents > h2 + p {
        font-size: 20px;
    }
    .brand {
        font-size: 29px
    }

    .content-grid {
        gap: 15px;
        margin: 0
    }

    .content-link-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .content-card span {
        min-height: 76px;
        font-size: 18px;
    }

    .social-heading {
        font-size: 20px;
    }
    .social-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .social-card {
        max-width: none;
        border-radius: 6px;
    }

    .social-card-image {
        height: 114px;
        padding: 16px;
    }

    .social-card-label {
        min-height: 47px;
        padding: 10px 12px;
        font-size: 15px;
        white-space: nowrap;
    }

    .social-card-label::after {
        width: 7px;
        height: 7px;
        margin-left: 18px;
        border-width: 2px;
    }

    .closing {
        padding: 0;
        margin: 60px 0
    }

    .closing p {
        margin-bottom: 50px;
        font-size: clamp(17px, 4.35vw, 28px)
    }

    .closing .closing-line {
        width: fit-content;
        padding-bottom: 6px;
        margin: auto;
        margin-bottom: 6px;
    }
    

    .closing-character {
        width: 54px
    }

    .closing-character-female {
        right: 0;
        top: 120px
    }

    .closing-character-male {
        left: 0;
        top: 260px
    }

    .register .brand {
        font-size: 30px
    }

    .plain-title {
        font-size: 26px;
    }

    .register-button {
        font-size: 19px;
        min-height: 54px;
        margin-top: 22px;
        padding: 12px 54px 12px 24px
    }

    .register {
        padding: 0
    }

    .register>p:first-child {
        font-size: 16px
    }

    .register>p:nth-child(2) {
        margin-top: 8px
    }
    .register>p:nth-child(2) img {
        max-width: 340px;
    }

    .register-button::after {
        right: 28px;
        width: 10px;
        height: 10px;
        border-width: 3px
    }

    #faq {
        padding: 0
    }

    summary {
        padding: 14px;
        font-size: 16px;
        gap: 10px;
    }

    .question, .answer>span {
        font-size: 26px;
    }
    .answer {
        padding: 14px;
        font-size: 16px;
        align-items: flex-start;
    }

    .answer .answer-detail {
        padding: 16px;
        font-size: 12px;
    }

    .share h2 {
        width: min(240px, 100%);
        margin-bottom: 16px;
        padding-bottom: 24px;
    }
    .share h2 img {
        max-width: 80px;
    }
    .share a {
        width: 56px;
    }


    .footer {
        margin-top: 30px
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }
}
