:root {
    color-scheme: light;
    --site-primary: #6d4fd1;
    --site-primary-dark: #5235b8;
    --site-primary-soft: #f3f0ff;
    --site-pink: #ff4f87;
    --site-text: #22252b;
    --site-muted: #68707c;
    --site-border: #e7e4ef;
    --site-bg: #fbfaff;
    --site-surface: #ffffff;
    --site-max: 1160px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--site-text);
    background: var(--site-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-container {
    width: min(calc(100% - 40px), var(--site-max));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(109, 79, 209, .08);
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(18px);
}

.site-header__inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    text-decoration: none;
}

.site-brand__icon {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.site-brand__name {
    font-size: 23px;
    font-weight: 850;
    letter-spacing: -.035em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.site-nav a {
    position: relative;
    padding: 26px 0 23px;
    color: #4e5360;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 50%;
    right: 50%;
    bottom: 17px;
    height: 2px;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--site-primary), var(--site-pink));
    transition: left .18s ease, right .18s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--site-primary-dark);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
    left: 0;
    right: 0;
}

.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 85% 24%, rgba(255, 112, 161, .16), transparent 27%),
        radial-gradient(circle at 18% 18%, rgba(130, 102, 227, .16), transparent 28%),
        linear-gradient(180deg, #fff 0%, #fbf9ff 100%);
}

.hero__grid {
    min-height: 620px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
    align-items: center;
    gap: 52px;
    padding-block: 76px 82px;
}

.eyebrow,
.section-kicker {
    color: var(--site-primary);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .16em;
}

.hero h1,
.page-hero h1 {
    margin: 14px 0 20px;
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.16;
    letter-spacing: -.055em;
}

.hero__copy > p {
    max-width: 650px;
    margin: 0;
    color: #555d69;
    font-size: 16px;
    line-height: 1.95;
}

.hero__actions {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    min-height: 48px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 13px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    font-weight: 800;
    transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease, background .14s ease;
}

.button--primary {
    border-color: #6d4fd1;
    background: linear-gradient(135deg, #7557d8, #6548ca);
    color: #fff;
    box-shadow: 0 12px 24px rgba(97, 69, 196, .19);
}

.button--primary:not(.button--disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 15px 30px rgba(97, 69, 196, .24);
}

.button--secondary {
    border-color: #dcd6ee;
    background: rgba(255, 255, 255, .8);
    color: #43336f;
}

.button--secondary:hover {
    border-color: #b9aee0;
    background: #fff;
}

.button--disabled {
    cursor: default;
    opacity: .88;
}

.hero__note {
    margin-top: 13px !important;
    color: #8a8f98 !important;
    font-size: 12px !important;
}

.hero__visual {
    position: relative;
    height: 440px;
    display: grid;
    place-items: center;
}

.hero__visual::before {
    content: "";
    position: absolute;
    width: 390px;
    height: 390px;
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(255,255,255,.94), rgba(239,233,255,.74));
    box-shadow: 0 35px 85px rgba(75, 51, 148, .16);
}

.hero__symbol-wrap {
    position: relative;
    z-index: 4;
    width: 255px;
    height: 255px;
    display: grid;
    place-items: center;
}

.hero__symbol {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 24px 24px rgba(97, 51, 136, .14));
}

.hero-orbit {
    position: absolute;
    z-index: 2;
    border: 2px solid rgba(109, 79, 209, .19);
    border-radius: 50%;
    transform: rotate(-18deg);
}

.hero-orbit--one {
    width: 420px;
    height: 185px;
}

.hero-orbit--two {
    width: 330px;
    height: 145px;
    border-color: rgba(255, 79, 135, .17);
    transform: rotate(24deg);
}

.hero-dot {
    position: absolute;
    z-index: 5;
    width: 15px;
    height: 15px;
    border: 4px solid #fff;
    border-radius: 50%;
    background: var(--site-pink);
    box-shadow: 0 8px 18px rgba(255, 79, 135, .28);
}

.hero-dot--one { top: 115px; right: 50px; }
.hero-dot--two { bottom: 93px; left: 38px; background: #8366df; }
.hero-dot--three { bottom: 65px; right: 120px; width: 11px; height: 11px; }

.section {
    padding: 84px 0;
}

.section--soft {
    background: linear-gradient(135deg, #f5f1ff 0%, #fff6fa 100%);
}

.section-heading {
    max-width: 680px;
    margin-bottom: 34px;
}

.section-heading > span {
    color: var(--site-primary);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: .14em;
}

.section-heading h2,
.two-column h2,
.callout h2 {
    margin: 10px 0 12px;
    font-size: clamp(28px, 3.7vw, 42px);
    line-height: 1.3;
    letter-spacing: -.045em;
}

.section-heading p,
.two-column__copy p,
.callout p {
    margin: 0;
    color: var(--site-muted);
    line-height: 1.85;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.feature-card {
    min-height: 244px;
    padding: 26px 24px;
    border: 1px solid var(--site-border);
    border-radius: 20px;
    background: rgba(255, 255, 255, .95);
    box-shadow: 0 14px 38px rgba(48, 39, 83, .055);
}

.feature-card__icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    background: linear-gradient(145deg, #f0ebff, #fff0f6);
    color: var(--site-primary);
    font-size: 24px;
    font-weight: 850;
}

.feature-card h3 {
    margin: 20px 0 9px;
    font-size: 19px;
}

.feature-card p {
    margin: 0;
    color: #6a707b;
    font-size: 14px;
    line-height: 1.8;
}

.two-column {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 72px;
}

.text-link {
    margin-top: 24px;
    display: inline-block;
    color: var(--site-primary-dark);
    font-weight: 800;
    text-decoration: none;
}

.text-link:hover {
    text-decoration: underline;
}

.privacy-panel {
    padding: 13px;
    border: 1px solid rgba(109, 79, 209, .13);
    border-radius: 24px;
    background: rgba(255,255,255,.72);
    box-shadow: 0 22px 50px rgba(78, 53, 142, .08);
}

.privacy-panel__item {
    padding: 20px;
    display: grid;
    gap: 5px;
    border-radius: 16px;
}

.privacy-panel__item + .privacy-panel__item {
    border-top: 1px solid rgba(109,79,209,.1);
}

.privacy-panel__item strong {
    color: #3e2c79;
    font-size: 15px;
}

.privacy-panel__item span {
    color: #6c6f78;
    font-size: 13px;
    line-height: 1.7;
}

.callout {
    padding: 40px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    border: 1px solid #e6e0f4;
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(44, 36, 73, .06);
}

.callout h2 {
    font-size: 28px;
}

.page-hero {
    background:
        radial-gradient(circle at 86% 20%, rgba(255, 79, 135, .13), transparent 26%),
        linear-gradient(180deg, #fff 0%, #f8f5ff 100%);
}

.page-hero__inner {
    padding: 76px 0 70px;
}

.page-hero--compact .page-hero__inner {
    padding-block: 64px 58px;
}

.page-hero h1 {
    margin-bottom: 12px;
    font-size: clamp(36px, 5vw, 52px);
}

.page-hero p {
    max-width: 720px;
    margin: 0;
    color: var(--site-muted);
    font-size: 16px;
    line-height: 1.8;
}

.content-narrow {
    max-width: 900px;
}

.prose-card,
.legal-card,
.contact-card {
    padding: 42px 46px;
    border: 1px solid var(--site-border);
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 15px 40px rgba(46, 37, 76, .05);
}

.prose-card h2,
.legal-card h2 {
    margin: 38px 0 12px;
    font-size: 22px;
    line-height: 1.5;
}

.prose-card h2:first-child,
.legal-card h2:first-of-type {
    margin-top: 0;
}

.prose-card p,
.legal-card p,
.legal-card li {
    color: #565e69;
    font-size: 14px;
    line-height: 1.95;
}

.legal-card a {
    color: var(--site-primary-dark);
    font-weight: 700;
}

.legal-card ul {
    margin: 10px 0 0;
    padding-left: 1.4em;
}

.legal-lead {
    margin: 0 0 34px;
    padding: 19px 20px;
    border-radius: 14px;
    background: #f7f4ff;
}

.legal-date {
    margin-top: 42px !important;
    color: #8a8f98 !important;
    font-size: 12px !important;
    text-align: right;
}

.detail-list {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.detail-list__item {
    padding: 20px;
    border: 1px solid #ece8f4;
    border-radius: 15px;
    background: #fcfbff;
}

.detail-list__item h3 {
    margin: 0 0 7px;
    font-size: 16px;
}

.detail-list__item p {
    margin: 0;
    font-size: 13px;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.honeypot {
    position: absolute !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field > span {
    color: #393e47;
    font-size: 13px;
    font-weight: 800;
}

.form-field > span strong {
    margin-left: 5px;
    color: #d33f70;
    font-size: 10px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    border: 1px solid #dcdfe5;
    border-radius: 12px;
    outline: none;
    background: #fff;
    color: var(--site-text);
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-field input,
.form-field select {
    min-height: 48px;
    padding: 0 14px;
}

.form-field textarea {
    min-height: 190px;
    padding: 13px 14px;
    resize: vertical;
    line-height: 1.7;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: #927de0;
    box-shadow: 0 0 0 4px rgba(109, 79, 209, .09);
}

.form-field small,
.contact-note {
    color: #858b95;
    font-size: 11px;
    line-height: 1.6;
}

.form-error {
    color: #bc315b !important;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: #565d68;
    font-size: 12px;
    line-height: 1.65;
}

.form-check input {
    margin-top: 3px;
}

.form-check a {
    color: var(--site-primary-dark);
    font-weight: 700;
}

.contact-form__submit {
    width: 100%;
    min-height: 52px;
    border: 0;
}

.form-message {
    margin-bottom: 22px;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.65;
}

.form-message--success {
    border: 1px solid #b7dfcc;
    background: #effaf4;
    color: #23694c;
}

.form-message--error {
    border: 1px solid #edc3cf;
    background: #fff4f7;
    color: #91304e;
}

.contact-note {
    margin: 22px 0 0;
}

.site-footer {
    margin-top: auto;
    border-top: 1px solid #e8e5ee;
    background: #232126;
    color: #fff;
}

.site-footer__inner {
    padding: 40px 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.site-footer__brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-footer__icon {
    width: 46px;
    height: 46px;
    object-fit: contain;
}

.site-footer__brand div {
    display: grid;
    gap: 3px;
}

.site-footer__brand strong {
    font-size: 18px;
}

.site-footer__brand span {
    color: #bcb8c3;
    font-size: 11px;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px;
}

.site-footer__links a {
    color: #ddd9e1;
    text-decoration: none;
    font-size: 12px;
}

.site-footer__links a:hover {
    color: #fff;
    text-decoration: underline;
}

.site-footer__copyright {
    padding: 16px 0 22px;
    border-top: 1px solid rgba(255,255,255,.08);
    color: #8f8995;
    font-size: 10px;
    text-align: center;
}

@media (max-width: 900px) {
    .hero__grid {
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 16px;
        padding-block: 64px;
    }

    .hero__copy {
        text-align: center;
    }

    .hero__copy > p {
        margin-inline: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        height: 330px;
    }

    .hero__visual::before {
        width: 300px;
        height: 300px;
    }

    .hero__symbol-wrap {
        width: 205px;
        height: 205px;
    }

    .hero-orbit--one {
        width: 340px;
        height: 150px;
    }

    .hero-orbit--two {
        width: 275px;
        height: 120px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 700px) {
    .site-container {
        width: min(calc(100% - 28px), var(--site-max));
    }

    .site-header {
        position: static;
    }

    .site-header__inner {
        min-height: 0;
        padding: 12px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .site-brand__icon {
        width: 38px;
        height: 38px;
    }

    .site-brand__name {
        font-size: 21px;
    }

    .site-nav {
        width: 100%;
        gap: 18px;
        overflow-x: auto;
        white-space: nowrap;
        scrollbar-width: none;
    }

    .site-nav::-webkit-scrollbar {
        display: none;
    }

    .site-nav a {
        padding: 8px 0 11px;
        font-size: 12px;
    }

    .site-nav a::after {
        bottom: 5px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero__copy > p {
        font-size: 14px;
        line-height: 1.85;
    }

    .hero__visual {
        height: 285px;
    }

    .hero__visual::before {
        width: 260px;
        height: 260px;
    }

    .hero__symbol-wrap {
        width: 180px;
        height: 180px;
    }

    .hero-orbit--one {
        width: 300px;
        height: 128px;
    }

    .hero-orbit--two {
        width: 230px;
        height: 105px;
    }

    .hero-dot--one { right: 18px; }
    .hero-dot--two { left: 16px; }

    .section {
        padding: 58px 0;
    }

    .feature-grid,
    .detail-list {
        grid-template-columns: 1fr;
    }

    .feature-card {
        min-height: 0;
    }

    .callout {
        padding: 28px 24px;
        align-items: stretch;
        flex-direction: column;
    }

    .page-hero__inner,
    .page-hero--compact .page-hero__inner {
        padding-block: 50px 46px;
    }

    .page-hero p {
        font-size: 14px;
    }

    .prose-card,
    .legal-card,
    .contact-card {
        padding: 28px 22px;
        border-radius: 17px;
    }

    .site-footer__inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-footer__links {
        justify-content: flex-start;
    }
}

/* ------------------------------------------------------------
 * 公式サイト運用お知らせ
 * ------------------------------------------------------------ */
.site-notice {
    border-bottom: 1px solid #ded7f4;
    background: #f5f1ff;
    color: #45366f;
}

.site-notice__inner {
    min-height: 48px;
    padding-top: 10px;
    padding-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 13px;
    line-height: 1.65;
}

.site-notice__inner strong {
    flex: 0 0 auto;
    color: #4b3594;
}

.site-notice__inner span {
    white-space: pre-line;
}

@media (max-width: 680px) {
    .site-notice__inner {
        display: grid;
        gap: 3px;
    }
}
