@charset "UTF-8";


/* ===================================
   BASE
=================================== */

* {
    box-sizing: border-box;
}

html {
    margin: 0;
    padding: 0;
}

:root {
    --bg-color: #edf0f2;
}

body {
    margin: 0;

    background-color: #eef1f3;

    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='280' height='280'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.38' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='.18'/%3E%3C/svg%3E");

    background-size: 280px 280px;
    background-blend-mode: soft-light;

    color: #222;

    font-family: "Noto Sans JP", sans-serif;
    font-weight: 400;

    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
}


/* ===================================
   MAIN
=================================== */

.home-main {
    width: min(1180px, calc(100vw - 270px));

    margin-left: 230px;

    padding: 40px 0 50px;
}


/* ===================================
   HERO
=================================== */

.hero {
    width: 100%;
    min-height: 430px;

    display: grid;
    grid-template-columns: 46% 54%;

    background: #fff;

    overflow: hidden;

    box-shadow: 0 8px 30px rgba(0, 0, 0, .035);
}


/* HERO 左 */

.hero-copy {
    padding: 55px 45px 45px 55px;

    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-en {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 400;

    margin: 0 0 24px;

    font-size: 9px;
    line-height: 1.9;

    letter-spacing: .3em;

    color: #444;
}

.hero-copy h1 {
    margin: 0;

    font-family: "Shippori Mincho", serif;
    font-size: 38px;
    font-weight: 400;

    line-height: 1.55;

    letter-spacing: .04em;

    white-space: nowrap;
}

.hero-description {
    margin: 22px 0 0;

    font-size: 13px;
    line-height: 1.9;

    color: #444;
}

.hero-link {
    width: fit-content;

    margin-top: 26px;

    display: flex;
    align-items: center;
    gap: 14px;

    font-size: 13px;
    letter-spacing: .08em;
}

.hero-link > span {
    width: 42px;
    height: 1px;

    background: #83c9ef;
}

.hero-link b {
    margin-left: 5px;

    font-size: 18px;
    font-weight: 400;
}


/* HERO 右 */

.hero-visual {
    position: relative;

    min-width: 0;
    min-height: 430px;

    overflow: hidden;
}

.hero-visual img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
    object-position: center;

    filter: grayscale(100%);
}


/* 大きな K. */

.hero-big-k {
    position: absolute;

    top: 64%;
    left: 28%;

    transform: translate(-50%, -50%);

    font-family: "Cormorant Garamond", serif;
    font-weight: 500;

    font-size: clamp(170px, 16vw, 250px);
    line-height: 1;

    color: rgba(34, 34, 34, .7);

    pointer-events: none;
}

.hero-big-k span {
    color: #83c9ef;
}


/* ===================================
   CARDS
=================================== */

.home-grid {
    margin-top: 18px;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 18px;
}


.home-card {
    min-height: 220px;

    padding: 26px 28px;

    display: grid;
    grid-template-columns: 44% 56%;

    align-items: center;

    background: #fff;

    border-radius: 3px;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .035);

    overflow: hidden;
}


/* ----------------
   左側文字
---------------- */

.card-text {
    min-width: 0;
}


.card-meta {
    display: flex;
    align-items: center;

    gap: 10px;

    margin-bottom: 14px;
}


.section-number {
    font-family: "Cormorant Garamond", serif;
    font-size: 28px;
    font-weight: 500;
    line-height: 1;
}


.section-line {
    width: 30px;
    height: 1px;

    background: #bbb;
}


.section-en {
    margin: 0;

    font-size: 9px;

    letter-spacing: .24em;

    color: #555;
}


.home-card h2 {
    margin: 0 0 14px;

    font-family: "Shippori Mincho", serif;
    font-size: 27px;
    font-weight: 400;

    line-height: 1.45;
}


.home-card p {
    margin: 0;

    font-size: 12px;
    line-height: 1.8;

    color: #555;
}


.card-link {
    width: fit-content;
    margin-top: 22px;

    display: inline-flex;
    align-items: center;
    gap: 12px;

    color: #83c9ef;
    text-decoration: none;

    font-family: "Cormorant Garamond", serif;
    font-size: 14px;
    letter-spacing: .08em;

    border-bottom: 1px solid #83c9ef;

    padding-bottom: 3px;

    transition:
        color .3s ease,
        border-color .3s ease;
}

.card-link span {
    display: inline-block;

    transition: transform .3s ease;
}

.card-link:hover {
    color: #5fb7e8;
    border-color: #5fb7e8;
}

.card-link:hover span {
    transform: translateX(5px);
}

/* ----------------
   右側画像
---------------- */

.card-image {
    height: 160px;

    margin-left: 22px;

    overflow: hidden;
}


.card-image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    filter: grayscale(100%);
}


/* ===================================
   SERVICE
=================================== */

.service-card {
    grid-column: 1 / -1;

    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);

    gap: 20px;

    align-items: center;
}

.service-list {
    margin-left: 0;

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    gap: 12px;
}

.service-item {
    min-height: 126px;

    padding: 16px 8px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    border: 1px solid #ddd;

    text-align: center;
}


.service-icon-img {
    width: 30px;
    height: 30px;

    margin-bottom: 14px;

    object-fit: contain;

    opacity: .72;

    transition:
        opacity .3s ease,
        transform .3s ease;
}


.service-item {
    transition:
        border-color .3s ease,
        background-color .3s ease;
}


.service-name {
    transition: color .3s ease;
}


.service-item:hover {
    border-color: #cfdde5;
    background-color: #fbfdfe;
}

.service-item:hover .service-icon-img {
    opacity: 1;
    transform: translateY(-2px);
}

.service-item:hover .service-name {
    color: #222;
}


.section-en {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 400;

    font-size: 9px;
    letter-spacing: .28em;
}


.service-item p {
    font-size: 9px;
    line-height: 1.5;
}

/* ===================================
   CONTACT
=================================== */

.contact-section {
    min-height: 96px;

    margin-top: 18px;
    padding: 18px 28px;

    display: grid;
    grid-template-columns: 1.15fr 1fr 1.3fr;
    align-items: center;
    gap: 32px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


/* 左 */

.contact-heading {
    display: flex;
    align-items: center;
    gap: 22px;
}

.contact-number {
    font-family: "Cormorant Garamond", serif;
    font-size: 28px;
    font-weight: 500;
    line-height: 1;
}

.contact-title-wrap {
    display: flex;
    align-items: baseline;
    gap: 18px;
}

.contact-en {
    font-family: "Cormorant Garamond", serif;
    font-size: 24px;
    font-weight: 500;

    letter-spacing: .05em;
}

.contact-title-wrap h2 {
    margin: 0;

    font-family: "Shippori Mincho", serif;
    font-size: 15px;
    font-weight: 400;
}


/* 真ん中 */

.contact-message {
    padding-left: 28px;

    border-left: 1px solid #ccc;
}

.contact-message p {
    margin: 0;

    font-size: 11px;
    line-height: 1.9;

    color: #555;
}


/* 右ボタン */

.contact-button {
    min-height: 50px;

    padding: 0 18px;

    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;

    gap: 14px;

    border: 1px solid #aaa;

    font-size: 11px;
    letter-spacing: .08em;

    transition:
        border-color .25s ease,
        background .25s ease;
}

.contact-button:hover {
    border-color: #83c9ef;
    background: #f8fbfd;
}

.contact-icon {
    font-size: 15px;
}

.contact-button-text {
    text-align: center;
}

.contact-arrow {
    font-size: 17px;
}



/* ===================================
   PLAN
=================================== */

.plan-intro {
    margin: 30px 0 36px;
    font-size: 13px;
    line-height: 2.1;
    color: #666;
}

/* PLAN CARDS */

.plan-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.plan-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 38px 32px;
    background: #fafbfc;
    border: 1px solid #e5e8eb;
    transition: border-color .3s ease, transform .3s ease;
}

.plan-card:hover {
    border-color: #83c9ef;
    transform: translateY(-3px);
}

.plan-card-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}

.plan-number {
    font-family: "Cormorant Garamond", serif;
    font-size: 27px;
    color: #83c9ef;
}

.plan-en {
    font-family: "Cormorant Garamond", serif;
    font-size: 15px;
    letter-spacing: .12em;
    color: #777;
}

.plan-card h3 {
    margin-bottom: 18px;
    font-size: 21px;
    font-weight: 500;
    letter-spacing: .04em;
    color: #222;
}

.plan-description {
    margin-bottom: 28px;
    font-size: 12px;
    line-height: 2;
    color: #666;
}

.plan-list {
    margin: 0 0 30px;
    padding: 24px 0 0;
    list-style: none;
    border-top: 1px solid #e2e5e8;
}

.plan-list li {
    position: relative;
    padding: 0 0 12px 17px;
    font-size: 12px;
    line-height: 1.8;
    color: #555;
}

.plan-list li::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #83c9ef;
}

.plan-card-note {
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid #e2e5e8;
    font-size: 11px;
    line-height: 1.9;
    color: #777;
}

/* PLAN INFORMATION */

.plan-information {
    margin-top: 24px;
    padding: 46px 28px;
    background: #f7f9fa;
    text-align: center;
}

.plan-information-en {
    display: block;
    margin-bottom: 15px;
    font-family: "Cormorant Garamond", serif;
    font-size: 13px;
    letter-spacing: .15em;
    color: #83c9ef;
}

.plan-information h3 {
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 500;
    letter-spacing: .05em;
    color: #222;
}

.plan-information p {
    margin-bottom: 26px;
    font-size: 12px;
    line-height: 2.1;
    color: #666;
}

.plan-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 28px;
    padding: 13px 20px;
    border: 1px solid #83c9ef;
    color: #333;
    font-size: 12px;
    text-decoration: none;
    transition: background .3s ease, color .3s ease;
}

.plan-contact-link span {
    color: #83c9ef;
    transition: color .3s ease;
}

.plan-contact-link:hover {
    background: #83c9ef;
    color: #fff;
}

.plan-contact-link:hover span {
    color: #fff;
}

.plan-information small {
    display: block;
    margin-top: 15px;
    font-size: 10px;
    color: #999;
}

/* PLAN MOBILE */

@media screen and (max-width: 768px) {

    .plan-intro {
        margin: 24px 0 28px;
        font-size: 11px;
    }

    .plan-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .plan-card {
        padding: 28px 24px;
    }

    .plan-card h3 {
        font-size: 19px;
    }

    .plan-description,
    .plan-list li {
        font-size: 11px;
    }

    .plan-intro br,
    .plan-description br,
    .plan-card-note br,
    .plan-information p br {
        display: none;
    }

    .plan-information {
        padding: 36px 22px;
    }

    .plan-information h3 {
        font-size: 18px;
        line-height: 1.7;
    }

    .plan-information p {
        font-size: 11px;
    }

}



/* ===================================
   ABOUT PAGE
=================================== */

.sub-main {
    width: min(1180px, calc(100vw - 270px));

    margin-left: 230px;

    padding: 40px 0 60px;
}


/* ページ上部 */

.page-hero {
    padding: 48px 55px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


.page-heading {
    max-width: 620px;
}


.page-number {
    font-family: "Cormorant Garamond", serif;

    font-size: 26px;
}


.page-line {
    display: inline-block;

    width: 34px;
    height: 1px;

    margin: 0 12px 6px;

    background: #bbb;
}


.page-en {
    font-size: 9px;

    letter-spacing: .28em;

    color: #555;
}


.page-heading h1 {
    margin: 20px 0 14px;

    font-family: "Shippori Mincho", serif;

    font-size: 38px;
    font-weight: 400;

    letter-spacing: .05em;
}


.page-heading p {
    margin: 0;

    font-size: 13px;
    line-height: 1.9;

    color: #555;
}


/* ===================================
   ABOUT COMMON
=================================== */

.about-section {
    margin-top: 18px;
    padding: 48px 55px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


.about-section-heading {
    margin-bottom: 38px;
}


.about-section-number {
    font-family: "Cormorant Garamond", serif;
    font-size: 25px;
}


.about-section-line {
    display: inline-block;

    width: 34px;
    height: 1px;

    margin: 0 12px 6px;

    background: #bbb;
}


.about-section-en {
    font-size: 9px;

    letter-spacing: .28em;

    color: #555;
}


.about-section-heading h2 {
    margin: 16px 0 0;

    font-family: "Shippori Mincho", serif;

    font-size: 30px;
    font-weight: 400;
}


/* ===================================
   PROFILE
=================================== */

.profile-content {
    display: grid;
    grid-template-columns: .8fr 1.2fr;

    gap: 70px;
}


.profile-lead {
    margin: 0;

    font-family: "Shippori Mincho", serif;

    font-size: 22px;
    line-height: 1.9;
}


.profile-list {
    margin: 0;
}


.profile-list > div {
    padding: 13px 0;

    display: grid;
    grid-template-columns: 140px 1fr;

    border-bottom: 1px solid #ddd;
}


.profile-list dt {
    font-family: "Cormorant Garamond", serif;

    font-size: 13px;
    letter-spacing: .12em;
}


.profile-list dd {
    margin: 0;

    font-size: 12px;

    color: #555;
}


/* ===================================
   JOURNEY
=================================== */

.journey-list {
    border-top: 1px solid #ccc;
}


.journey-item {
    padding: 28px 0;

    display: grid;
    grid-template-columns: 100px 1fr;

    border-bottom: 1px solid #ddd;
}


.journey-year {
    font-family: "Cormorant Garamond", serif;

    font-size: 30px;

    color: #83c9ef;
}


.journey-item h3 {
    margin: 0 0 10px;

    font-family: "Shippori Mincho", serif;

    font-size: 18px;
    font-weight: 400;
}


.journey-item p {
    margin: 0;

    font-size: 12px;
    line-height: 1.9;

    color: #555;
}


/* ===================================
   VALUES
=================================== */

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}


.value-item {
    min-height: 210px;

    padding: 30px;

    border: 1px solid #ddd;
}


.value-item > span {
    font-family: "Cormorant Garamond", serif;

    font-size: 25px;

    color: #83c9ef;
}


.value-item h3 {
    margin: 25px 0 14px;

    font-family: "Cormorant Garamond", serif;

    font-size: 27px;
    font-weight: 500;
}


.value-item p {
    margin: 0;

    font-size: 11px;
    line-height: 1.9;

    color: #555;
}

/* ===================================
   ABOUT CONTACT
=================================== */

.about-contact {
    margin-top: 18px;
    padding: 48px 55px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 40px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


.about-contact-en {
    display: block;

    margin-bottom: 14px;

    font-family: "Cormorant Garamond", serif;

    font-size: 13px;

    letter-spacing: .16em;

    color: #555;
}


.about-contact h2 {
    margin: 0 0 16px;

    font-family: "Shippori Mincho", serif;

    font-size: 28px;
    font-weight: 400;

    line-height: 1.6;
}


.about-contact p {
    margin: 0;

    font-size: 12px;
    line-height: 1.9;

    color: #555;
}


.about-contact-button {
    min-width: 260px;
    min-height: 54px;

    padding: 0 20px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border: 1px solid #aaa;

    font-size: 12px;

    letter-spacing: .08em;

    transition:
        border-color .25s ease,
        background .25s ease;
}


.about-contact-button:hover {
    border-color: #83c9ef;

    background: #f8fbfd;
}

/* ===================================
   SERVICE PAGE
=================================== */

.service-page-section {
    margin-top: 18px;
    padding: 48px 55px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


/* =====================
   SERVICE DETAIL
===================== */

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


.service-detail-item {
    display: flex;
    flex-direction: column;
    min-height: 360px;
    padding: 32px 28px;

    border: 1px solid #ddd;
}


.service-detail-number {
    display: block;

    margin-bottom: 28px;

    font-family: "Cormorant Garamond", serif;

    font-size: 28px;

    color: #83c9ef;
}


.service-detail-en {
    display: block;

    margin-bottom: 12px;

    font-size: 9px;

    letter-spacing: .28em;

    color: #555;
}


.service-detail-item h3 {
    margin: 0 0 20px;

    font-family: "Shippori Mincho", serif;

    font-size: 22px;
    font-weight: 400;
}


.service-detail-item > p {
    margin: 0 0 24px;

    font-size: 12px;
    line-height: 1.9;

    color: #555;
}


.service-detail-item ul {
    margin: auto 0 0;
    padding: 20px 0 0;

    list-style: none;

    border-top: 1px solid #ddd;
}


.service-detail-item li {
    position: relative;

    padding: 6px 0 6px 16px;

    font-size: 11px;

    color: #555;
}


.service-detail-item li::before {
    content: "—";

    position: absolute;

    left: 0;

    color: #83c9ef;
}

/* ===================================
   AI CONTENT PROJECT
=================================== */

.ai-project {
    margin-top: 38px;

    display: grid;
    grid-template-columns: 40% minmax(0, 1fr);

    gap: 60px;

    align-items: center;
}


.ai-project-label {
    font-size: 9px;

    letter-spacing: .25em;

    color: #777;
}


.ai-project-text h3 {
    margin: 18px 0 8px;

    font-family: "Cormorant Garamond", serif;

    font-size: 38px;
    font-weight: 400;
}


.ai-project-lead {
    margin: 0 0 28px;

    font-size: 10px;

    letter-spacing: .22em;

    color: #83c9ef;
}


.ai-project-description {
    margin: 0 0 14px;

    font-size: 13px;

    line-height: 2;

    color: #555;
}


.ai-project-link {
    margin-top: 24px;

    display: inline-flex;
    align-items: center;

    gap: 28px;

    font-family: "Cormorant Garamond", serif;

    font-size: 15px;

    letter-spacing: .08em;

    text-decoration: none;
}


.ai-project-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 12px;
}


.ai-project-media {
    position: relative;

    aspect-ratio: 3 / 4;

    overflow: hidden;

    background: #f3f4f5;
}


/* 動画と画像を同じ形に */

.ai-project-media video,
.ai-project-media img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
}

.ai-project-media img {
    transform: scale(1.1);
}


/* 左下の小さい番号 */

.ai-media-number {
    position: absolute;

    left: 12px;
    bottom: 10px;

    padding: 3px 7px;

    background: rgba(255, 255, 255, .8);

    font-family: "Cormorant Garamond", serif;
    font-size: 13px;

    color: #222;
}

/* =====================
   FLOW
===================== */

.service-flow {
    border-top: 1px solid #ccc;
}


.flow-item {
    padding: 26px 0;

    display: grid;
    grid-template-columns: 90px 1fr;

    border-bottom: 1px solid #ddd;
}


.flow-number {
    font-family: "Cormorant Garamond", serif;

    font-size: 30px;

    color: #83c9ef;
}


.flow-en {
    display: block;

    margin-bottom: 6px;

    font-size: 9px;

    letter-spacing: .25em;

    color: #777;
}


.flow-item h3 {
    margin: 0 0 10px;

    font-family: "Shippori Mincho", serif;

    font-size: 19px;
    font-weight: 400;
}


.flow-item p {
    margin: 0;

    font-size: 12px;
    line-height: 1.9;

    color: #555;
}

/* ===================================
   SIDE BAR
=================================== */

.side-header {
    position: fixed;
    top: 0;
    left: 0;

    width: 210px;
    height: 100vh;

    background: transparent;

    z-index: 100;
}


/* WordPressログイン時 */

body.admin-bar .side-header {
    top: 32px;

    height: calc(100vh - 32px);
}


/* ===================================
   LOGO
=================================== */

.site-logo {
    position: absolute;

    top: 32px;
    left: 64px;
}

.site-logo a {
    color: #222;
}

.logo {
    font-family: "Cormorant Garamond", serif;
    font-size: 58px;
    font-weight: 500;
    line-height: .85;
}

.logo-k {
    color: #222;
}

.logo-dot {
    color: #83c9ef;
}

.logo-sub {
    margin: 13px 0 0;

    font-size: 9px;
    line-height: 1.7;

    letter-spacing: .24em;

    color: #444;
}


/* ===================================
   NAV
=================================== */

.side-nav {
    position: absolute;

    top: 170px;
    left: 64px;

    padding-left: 27px;
}

.side-nav::before {
    content: "";

    position: absolute;

    top: -11px;
    left: 0;

    width: 1px;
    height: 235px;

    background: #aaa;
}

.side-nav ul {
    margin: 0;
    padding: 0;

    list-style: none;
}

.side-nav li {
    position: relative;

    margin-bottom: 18px;
}

.side-nav li:last-child {
    margin-bottom: 0;
}

.side-nav a {
    font-size: 11px;

    letter-spacing: .22em;

    color: #555;

    transition: color .25s ease;
}

.side-nav a:hover,
.side-nav li.current a {
    color: #83c9ef;
}

.side-nav li.current::before {
    content: "";

    position: absolute;

    top: 50%;
    left: -31px;

    width: 9px;
    height: 9px;

    transform: translateY(-50%);

    border-radius: 50%;

    background: #83c9ef;
}


/* ===================================
   左の縦文字
=================================== */

.side-message {
    position: absolute;

    top: 430px;
    left: 92px;

    margin: 0;

    writing-mode: vertical-rl;
    text-orientation: upright;

    white-space: nowrap;

    font-family:
        "Yu Mincho",
        "Hiragino Mincho ProN",
        serif;

    font-size: 12px;
    line-height: 1;

    letter-spacing: .16em;

    color: #444;
}

/* ===================================
   SIDE FOOTER
=================================== */

.side-footer {
    position: absolute;

    left: 67px;
    bottom: 18px;

    font-size: 8px;
    line-height: 1.6;

    letter-spacing: .18em;

    color: #555;
}


/* ===================================
   高さが低いPC用
=================================== */

@media (max-height: 760px) {

    .site-logo {
        top: 22px;
    }

    .logo {
        font-size: 46px;
    }

    .side-nav {
        top: 140px;
    }

    .side-nav li {
        margin-bottom: 13px;
    }

    .side-nav::before {
        height: 190px;
    }

    .side-message {
        top: 365px;

        font-size: 11px;
    }

    .side-footer {
        bottom: 10px;
    }
}


/* ===================================
   スマホは後で本格調整
=================================== */

@media (min-width: 769px) and (max-width: 900px) {

    .side-header {
        display: none;
    }

    .home-main {
        width: calc(100% - 30px);

        margin: 0 auto;

        padding: 30px 0;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-copy h1 {
        white-space: normal;
    }

    .hero-visual {
        min-height: 360px;
    }

    .home-grid {
        grid-template-columns: 1fr;
    }

    .contact-section {
        flex-wrap: wrap;
    }
}

/* ===================================
   CONTACT PAGE
=================================== */

.contact-page-section {
    margin-top: 18px;
    padding: 55px 55px 70px;

    display: grid;

    /* ここが重要 */
    grid-template-columns: 34% minmax(0, 1fr);
    gap: 70px;

    align-items: start;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


/* -------------------------
   左側
------------------------- */

.contact-page-intro {
    padding-top: 8px;
}

.contact-page-en {
    display: block;

    margin-bottom: 18px;

    font-family: "Cormorant Garamond", serif;
    font-size: 13px;

    letter-spacing: .18em;

    color: #555;
}

.contact-page-intro h2 {
    margin: 0 0 22px;

    font-family: "Shippori Mincho", serif;
    font-size: 29px;
    font-weight: 400;

    line-height: 1.7;
}

.contact-page-intro p {
    margin: 0;

    font-size: 12px;
    line-height: 2;

    color: #555;
}


/* -------------------------
   FORM
------------------------- */

.contact-form-area {
    width: 100%;
}

.contact-form-area p {
    margin: 0;
}


/* 各項目 */

.contact-form-area label {
    display: block;

    margin-bottom: 30px;

    font-size: 12px;

    letter-spacing: .04em;

    color: #333;
}


/* 必須 */

.contact-form-area .required {
    margin-left: 8px;

    font-size: 9px;

    letter-spacing: .1em;

    color: #83c9ef;
}


/* 入力欄 */

.contact-form-area input[type="text"],
.contact-form-area input[type="email"],
.contact-form-area textarea {
    width: 100%;

    margin-top: 10px;
    padding: 12px 4px;

    border: none;
    border-bottom: 1px solid #bbb;
    border-radius: 0;

    outline: none;

    background: transparent;

    color: #222;

    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;

    transition: border-color .25s ease;
}


/* 選択中 */

.contact-form-area input[type="text"]:focus,
.contact-form-area input[type="email"]:focus,
.contact-form-area textarea:focus {
    border-color: #83c9ef;
}


/* テキストエリア */

.contact-form-area textarea {
    height: 150px;

    resize: vertical;
}


/* 送信ボタン */

.contact-form-area input[type="submit"] {
    width: 190px;
    height: 52px;

    margin-left: auto;

    display: block;

    border: 1px solid #aaa;
    border-radius: 0;

    background: #fff;

    color: #222;

    font-family: "Noto Sans JP", sans-serif;
    font-size: 11px;

    letter-spacing: .16em;
    text-align: center;

    cursor: pointer;

    transition:
        border-color .25s ease,
        background .25s ease,
        color .25s ease;
}


.contact-form-area input[type="submit"]:hover {
    border-color: #83c9ef;

    background: #f7fbfd;
}


/* Contact Form 7 エラー表示 */

.contact-form-area .wpcf7-not-valid-tip {
    margin-top: 7px;

    font-size: 10px;
}

.contact-form-area .wpcf7-response-output {
    margin: 28px 0 0 !important;
    padding: 18px 20px !important;

    border: none !important;
    border-left: 2px solid #83c9ef !important;

    background: #f8fbfd;

    font-size: 11px;
    line-height: 1.9;

    color: #555;
}

.contact-form-area form.sent .wpcf7-response-output {
    border-left-color: #83c9ef !important;
}

/* ===================================
   WORKS ARCHIVE
=================================== */

.works-archive {
    margin-top: 18px;
}


/* 一覧 */

.works-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 18px;
}


/* 1作品 */

.works-item {
    background: #fff;

    overflow: hidden;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


.works-item > a {
    display: block;

    height: 100%;
}


/* 画像 */

.works-image {
    width: 100%;
    height: 290px;

    overflow: hidden;

    background: #f4f4f4;
}


.works-image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    filter: none;

    transition: transform .5s ease;
}


/* hoverした時だけ少し動かす */

.works-item:hover .works-image img {
    transform: scale(1.025);
}


/* 文字部分 */

.works-info {
    padding: 28px 30px 32px;
}


.works-number {
    font-family: "Cormorant Garamond", serif;

    font-size: 28px;

    color: #222;
}


.works-small {
    margin-left: 14px;

    font-size: 9px;

    letter-spacing: .28em;

    color: #666;
}


/* タイトル */

.works-info h2 {
    margin: 18px 0 12px;

    font-family: "Shippori Mincho", serif;

    font-size: 26px;
    font-weight: 400;

    line-height: 1.5;
}


/* 抜粋 */

.works-info p {
    margin: 0;

    font-size: 12px;
    line-height: 1.9;

    color: #555;
}


/* View Project */

.works-more {
    margin-top: 22px;

    display: inline-block;

    font-family: "Cormorant Garamond", serif;

    font-size: 14px;

    letter-spacing: .08em;
}

/* ===================================
   WORKS SINGLE
=================================== */

.work-detail {
    margin-top: 18px;

    padding: 50px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


/* メイン画像 */

.work-detail-image {
    width: 100%;
    height: 520px;

    overflow: hidden;
}


.work-detail-image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    filter: none;
}


/* 説明 */

.work-detail-content {
    margin-top: 45px;

    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);

    gap: 45px;
}


.work-detail-label span {
    font-size: 9px;

    letter-spacing: .28em;

    color: #777;
}


.work-detail-text h2 {
    margin: 0 0 24px;

    font-family: "Shippori Mincho", serif;

    font-size: 30px;
    font-weight: 400;
}


.work-detail-body {
    font-size: 13px;

    line-height: 2;

    color: #555;
}


.work-detail-body p {
    margin: 0 0 20px;
}


/* 一覧へ戻る */

.work-back {
    margin-top: 18px;

    padding: 28px 35px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


.work-back a {
    display: inline-flex;
    align-items: center;

    gap: 12px;

    font-family: "Cormorant Garamond", serif;

    font-size: 15px;

    letter-spacing: .08em;
}

/* WORKS INFO */

.work-meta {
    margin-top: 38px;

    border-top: 1px solid #ddd;
}

.work-meta-item {
    padding: 15px 0;

    display: grid;
    grid-template-columns: 110px 1fr;

    border-bottom: 1px solid #ddd;
}

.work-meta-item > span {
    font-size: 9px;

    letter-spacing: .25em;

    color: #777;
}

.work-meta-item p {
    margin: 0;

    font-size: 12px;

    color: #444;
}

.work-meta-item a {
    color: #222;

    text-decoration: none;
}

.work-meta-item a:hover {
    color: #83c9ef;
}

/* ===================================
   WORKS CONTENT
=================================== */

.work-section {
    margin-top: 18px;
    padding: 50px;

    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);

    gap: 45px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


.work-section-label span {
    font-size: 9px;

    letter-spacing: .28em;

    color: #777;
}


.work-section-content h2 {
    margin: 0 0 22px;

    font-family: "Shippori Mincho", serif;

    font-size: 27px;
    font-weight: 400;
}


.work-section-content p {
    margin: 0;

    font-size: 13px;
    line-height: 2.1;

    color: #555;
}


/* ===================================
   WORKS GALLERY
=================================== */

.work-gallery {
    margin-top: 18px;
    padding: 50px;

    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;

    gap: 30px;

    align-items: start;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}


/* PC画像 */

.work-gallery-pc {
    display: flex;
    flex-direction: column;

    gap: 28px;
}

.work-gallery-pc img {
    width: 100%;
    height: auto;

    display: block;

    filter: none;
}


/* SP画像 */

.work-gallery-sp {
    width: 100%;
}

.work-gallery-sp-scroll {
    height: 560px;

    overflow-y: auto;
    overflow-x: hidden;

    border: 1px solid #e5e5e5;

    background: #fff;
}

.work-gallery-sp-scroll img {
    width: 100%;
    height: auto;

    display: block;

    filter: none;
}


/* スクロールバー */

.work-gallery-sp-scroll::-webkit-scrollbar {
    width: 5px;
}

.work-gallery-sp-scroll::-webkit-scrollbar-track {
    background: #f3f3f3;
}

.work-gallery-sp-scroll::-webkit-scrollbar-thumb {
    background: #bbb;

    border-radius: 10px;
}

.work-gallery-sp-scroll::-webkit-scrollbar-thumb:hover {
    background: #83c9ef;
}

/* ========================================
   PAGE TRANSITION
======================================== */

.js .home-main,
.js .sub-main {
    opacity: 0;
    transform: translateY(8px);

    transition:
        opacity .55s ease,
        transform .55s ease;
}

.js.page-ready .home-main,
.js.page-ready .sub-main {
    opacity: 1;
    transform: translateY(0);
}

.js.page-leaving .home-main,
.js.page-leaving .sub-main {
    opacity: 0;
    transform: translateY(5px);
}


/* 動きを減らす設定をしている人向け */
@media (prefers-reduced-motion: reduce) {

    .js .home-main,
    .js .sub-main {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ========================================
   SCROLL REVEAL
======================================== */

.scroll-reveal {
    opacity: 0;
    transform: translateY(18px);

    transition:
        opacity .9s ease,
        transform .9s ease;
}

.scroll-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}


/* 動きを減らす設定の人向け */

@media (prefers-reduced-motion: reduce) {

    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

}

/* ========================================
   SITE LOADER
======================================== */

.site-loader {
    position: fixed;
    inset: 0;

    z-index: 99999;

    display: grid;
    place-items: center;

    background: #f4f6f7;

    opacity: 1;
    visibility: visible;

    transition:
        opacity .65s ease,
        visibility .65s ease;
}

.site-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}


.site-loader-inner {
    text-align: center;
}


.site-loader-logo {
    font-family: "Cormorant Garamond", serif;

    font-size: 76px;
    line-height: 1;

    color: #222;
}

.site-loader-logo span {
    color: #83c9ef;

    animation: loader-dot 1.1s ease-in-out infinite alternate;
}


/* 細いローディングライン */

.site-loader-line {
    width: 72px;
    height: 1px;

    margin: 22px auto 0;

    overflow: hidden;

    background: #ddd;
}

.site-loader-line span {
    display: block;

    width: 30%;
    height: 100%;

    background: #83c9ef;

    animation: loader-line 1.1s ease-in-out infinite;
}


.site-loader-text {
    margin: 16px 0 0;

    font-size: 8px;
    letter-spacing: .28em;

    color: #777;
}


/* ANIMATION */

@keyframes loader-dot {

    from {
        opacity: .35;
        transform: scale(.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}


@keyframes loader-line {

    0% {
        transform: translateX(-110%);
    }

    100% {
        transform: translateX(340%);
    }
}

/* ========================================
   ABOUT INTRO
======================================== */

.about-intro {
    display: grid;
    grid-template-columns: 46% 54%;

    background: #fff;
    overflow: hidden;
}


.about-intro-image {
    padding: 52px 0 52px 52px;
}

.about-intro-image img {
    width: 100%;
    height: 100%;
    min-height: 500px;

    display: block;

    object-fit: cover;
    filter: grayscale(100%);
}


.about-intro-content {
    padding: 70px 70px 60px 60px;

    display: flex;
    flex-direction: column;
    justify-content: center;
}


.about-intro-en {
    font-size: 9px;
    letter-spacing: .28em;

    color: #666;
}


.about-intro-content h1 {
    margin: 24px 0 0;

    font-family: "Shippori Mincho", serif;

    font-size: 31px;
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: .05em;

    color: #222;
}


.about-intro-text {
    margin-top: 28px;
}

.about-intro-text p {
    margin: 0 0 18px;

    font-size: 12px;
    line-height: 2;

    color: #555;
}

.about-intro-text p:last-child {
    margin-bottom: 0;
}


.about-background {
    margin-top: 26px;
    padding-top: 22px;

    border-top: 1px solid #ddd;
}

.about-background-label {
    display: block;

    margin-bottom: 14px;

    font-size: 11px;
    letter-spacing: .08em;

    color: #83c9ef;
}

.about-profile-list {
    width: 100%;
}

.about-profile-row {
    display: grid;
    grid-template-columns: 110px 1fr;

    gap: 16px;

    padding: 10px 0;

    border-bottom: 1px solid #eee;
}

.about-profile-row:last-child {
    border-bottom: none;
}

.about-profile-row span {
    font-size: 10px;
    color: #777;
}

.about-profile-row p {
    margin: 0;

    font-size: 11px;
    line-height: 1.7;

    color: #222;
}

.service-beginner {
    margin-top: 28px;
    padding: 28px 32px;

    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);

    gap: 32px;

    border: 1px solid #ddd;
}

.service-beginner-label {
    position: relative;

    padding-top: 12px;

    font-family: "Cormorant Garamond", serif;
    font-size: 10px;
    letter-spacing: .22em;

    color: #222;
}

.service-beginner-label::before {
    content: "";

    position: absolute;
    top: 0;
    left: 0;

    width: 18px;
    height: 1px;

    background: #83c9ef;
}

.service-beginner-content h3 {
    margin: 0 0 14px;

    font-family: "Shippori Mincho", serif;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.7;
}

.service-beginner-content p {
    margin: 0;

    font-size: 12px;
    line-height: 2;

    color: #555;
}

/* ===================================
   MOBILE BACK TO TOP
=================================== */

.mobile-back-top {
    display: none;
}

/* ===================================
   MOBILE MENU
=================================== */

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

/* ===================================
   RESPONSIVE
=================================== */

@media screen and (max-width: 768px) {

/* =====================
   MOBILE / TOP
===================== */


/* =====================
   SIDE HEADER
===================== */

/* ひとまずスマホでは非表示
   モバイルメニューはあとで作る */
.side-header {
    display: none;
}


/* =====================
   MAIN
===================== */

.home-main,
.sub-main {
    width: 100%;
    max-width: none;

    margin: 0;

    padding: 18px 16px 40px;
}


/* =====================
   HERO
===================== */

.hero {
    width: 100%;
    min-height: 0;

    grid-template-columns: 1fr;
}

.hero-copy {
    padding: 42px 28px;
}

.hero-en {
    margin-bottom: 20px;
}

.hero-copy h1 {
    font-size: 30px;
    line-height: 1.65;

    white-space: normal;
}

.hero-description {
    font-size: 12px;
    line-height: 1.9;
}

.hero-visual {
    height: 360px;
    min-height: 0;
}

.hero-visual img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}

.hero-big-k {
    top: 64%;
    left: 28%;

    font-size: 145px;
}


/* =====================
   TOP CARDS
===================== */

.home-grid {
    margin-top: 14px;

    grid-template-columns: 1fr;

    gap: 14px;
}


/* WORKS / ABOUT */

.home-card {
    min-height: 0;

    padding: 26px 24px;

    grid-template-columns: 1fr;

    gap: 22px;
}

.home-card h2 {
    font-size: 25px;
}

.card-image {
    width: 100%;
    height: 190px;

    margin-left: 0;
}

.card-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}


/* =====================
   SERVICE
===================== */

.service-card {
    grid-column: auto;

    grid-template-columns: 1fr;

    gap: 28px;
}

.service-list {
    margin-left: 0;

    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 10px;
}

.service-item {
    min-height: 110px;

    padding: 14px 8px;
}

.service-icon-img {
    width: 25px;
    height: 25px;

    margin-bottom: 10px;
}

.service-name {
    font-size: 11px;
}

.service-jp {
    font-size: 10px;
}

/* =====================
   CONTACT - MOBILE
===================== */

.contact-section {
    width: 100%;
    margin-top: 14px;
    padding: 28px 24px;

    display: block;

    background: #fff;
}


/* 04 ─ CONTACT */

.contact-heading {
    display: block;
    width: 100%;
}


.contact-title-wrap {
    display: contents;
}


.contact-number {
    display: inline-block;

    font-family: "Cormorant Garamond", serif;
    font-size: 18px;

    line-height: 1;
    vertical-align: middle;
}


.contact-number::after {
    content: "";

    display: inline-block;

    width: 28px;
    height: 1px;

    margin: 0 12px 4px;

    background: #bbb;
}


.contact-en {
    display: inline-block;

    font-size: 9px;
    letter-spacing: .25em;

    vertical-align: middle;
}


/* お問い合わせ */

.contact-title-wrap h2 {
    position: static;

    margin: 24px 0 0;

    font-family: "Shippori Mincho", serif;
    font-size: 23px;
    font-weight: 400;

    line-height: 1.5;

    white-space: nowrap;
}


/* 説明 */

.contact-message {
    width: 100%;

    margin-top: 18px;
    padding: 0;

    border: none;
}


.contact-message p {
    margin: 0;

    font-size: 11px;
    line-height: 1.9;

    color: #555;

    writing-mode: horizontal-tb;
}


/* ボタン */

.contact-button {
    width: 100%;
    min-height: 52px;

    margin-top: 22px;
    padding: 0 16px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border: 1px solid #aaa;

    text-decoration: none;
}


.contact-button-text {
    font-size: 11px;
    white-space: nowrap;
}


.contact-icon,
.contact-arrow {
    flex-shrink: 0;
}

.service-detail-grid {
    grid-template-columns: 1fr;
}


.ai-project {
    grid-template-columns: 1fr;

    gap: 30px;
}


.ai-project-visual {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 72%;

    gap: 10px;

    overflow-x: auto;

    padding-bottom: 8px;

    scroll-snap-type: x mandatory;
}

.ai-project-media {
    scroll-snap-align: start;
}


.ai-project-text h3 {
    font-size: 32px;
}

.price-grid {
    grid-template-columns: 1fr;
}


.price-item {
    min-height: auto;
    padding: 26px 24px;
}


.payment-plan {
    padding: 28px 24px;
}


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


.payment-after-content {
    display: block;
}


.payment-after-price {
    margin-top: 24px;

    text-align: left;
}

.about-intro {
    grid-template-columns: 1fr;
}

.about-intro-image {
    padding: 24px 24px 0;
}

.about-intro-image img {
    min-height: 340px;
}

.about-intro-content {
    padding: 38px 28px 42px;
}

.about-intro-content h1 {
    font-size: 26px;
}

.service-beginner {
    grid-template-columns: 1fr;
    gap: 16px;

    padding: 24px 18px;
}

.service-beginner-content h3 {
    font-size: 17px;
    line-height: 1.75;
    letter-spacing: 0;
}

/* =====================
   WORKS - MOBILE
===================== */

.works-list {
    grid-template-columns: 1fr;
}

.works-image {
    height: auto;
    aspect-ratio: 16 / 10;
}

.works-info {
    padding: 24px;
}

.works-info h2 {
    font-size: 22px;
}


/* 実績詳細 */

.work-detail {
    padding: 24px;
}

.work-detail-image {
    height: auto;
}

.work-detail-image img {
    width: 100%;
    height: auto;

    object-fit: contain;
}

.work-detail-content {
    margin-top: 30px;

    grid-template-columns: 1fr;
    gap: 20px;
}

.work-detail-text h2 {
    font-size: 24px;
}


/* 制作情報 */

.work-meta-item {
    grid-template-columns: 1fr;
    gap: 7px;
}


/* CONCEPT / POINT など */

.work-section {
    padding: 30px 24px;

    grid-template-columns: 1fr;
    gap: 20px;
}

.work-section-content h2 {
    font-size: 23px;
}


/* PC・SP画像 */

.work-gallery {
    padding: 24px;

    grid-template-columns: 1fr;
    gap: 24px;
}


/* 一覧へ戻る */

.work-back {
    padding: 24px;
}

/* =====================
   PAGE COMMON
===================== */

.page-hero {
    padding: 36px 28px;
}

.page-heading h1 {
    font-size: 28px;
    line-height: 1.55;
}


/* =====================
   TOP CARDS
===================== */

.home-card {
    min-height: auto;
    padding: 26px 24px;

    grid-template-columns: 1fr;
    gap: 22px;
}

.card-image {
    height: 180px;

    margin-left: 0;
}

.card-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}


/* =====================
   ABOUT
===================== */

.about-section {
    padding: 36px 28px;
}

.about-section-heading {
    margin-bottom: 30px;
}

.about-section-heading h2 {
    font-size: 24px;
    line-height: 1.5;
}

/* PROFILE */

.profile-content {
    grid-template-columns: 1fr;
    gap: 28px;
}

.profile-lead {
    font-size: 20px;
    line-height: 1.8;
}

.profile-list > div {
    grid-template-columns: 1fr;
    gap: 6px;

    padding: 14px 0;
}

.profile-list dt {
    font-size: 11px;
}

.profile-list dd {
    font-size: 11px;
    line-height: 1.8;
}


/* JOURNEY */

.journey-item {
    grid-template-columns: 52px 1fr;
    gap: 18px;
}

.journey-year {
    font-size: 24px;
}

.journey-item h3 {
    font-size: 16px;
    white-space: nowrap;
}

/* VALUES */

.values-grid {
    grid-template-columns: 1fr;
    gap: 12px;
}

.value-item {
    min-height: auto;

    padding: 26px;
}


/* ABOUT CONTACT */

.about-contact {
    padding: 36px 28px;

    display: block;
}

.about-contact h2 {
    font-size: 22px;
    line-height: 1.75;
    letter-spacing: 0;
}

.about-contact-button {
    width: 100%;
    min-width: 0;

    margin-top: 28px;
}

/* =====================
   BACK TO TOP
===================== */

.mobile-back-top {
    display: block;

    margin-top: 14px;
    padding: 22px 24px;

    background: #fff;

    box-shadow: 0 8px 25px rgba(0, 0, 0, .03);
}

.mobile-back-top a {
    width: fit-content;

    display: inline-flex;
    align-items: center;

    gap: 12px;

    font-family: "Noto Sans JP", sans-serif;
    font-size: 11px;
    letter-spacing: .08em;

    color: #555;

    transition: color .3s ease;
}

.mobile-back-top a:hover {
    color: #83c9ef;
}

/* =====================
   MOBILE MENU
===================== */

.mobile-menu-button {
    position: fixed;

    top: 20px;
    right: 18px;

    z-index: 1002;

    width: 48px;
    height: 48px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    gap: 7px;

    padding: 0;

    border: 1px solid rgba(34, 34, 34, .12);

    background: rgba(255, 255, 255, .88);

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    cursor: pointer;
}

.mobile-menu-button span {
    width: 19px;
    height: 1px;

    display: block;

    background: #222;

    transition:
        transform .4s ease,
        opacity .3s ease,
        background .3s ease;
}

/* 開いた時、2本線を×にする */

.mobile-menu-button.is-open span:first-child {
    transform: translateY(4px) rotate(45deg);
}

.mobile-menu-button.is-open span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}


/* メニュー表示中は背景をスクロールさせない */

body.menu-open {
    overflow: hidden;
}


/* メニュー本体 */

.mobile-menu {
    position: fixed;
    inset: 0;

    z-index: 1001;

    display: block;

    padding: 34px 30px;

    background: rgba(247, 248, 249, .98);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transform: translateY(-10px);

    transition:
        opacity .45s ease,
        visibility .45s ease,
        transform .45s ease;
}


/* 開いた状態 */

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;

    transform: translateY(0);
}


/* 中身 */

.mobile-menu-inner {
    width: 100%;
    height: 100%;

    display: flex;
    flex-direction: column;
}


/* K. */

.mobile-menu-logo {
    font-family: "Cormorant Garamond", serif;

    font-size: 54px;
    font-weight: 500;
    line-height: 1;
}

.mobile-menu-k {
    color: #222;
}

.mobile-menu-dot {
    color: #83c9ef;
}


/* ナビ */

.mobile-menu-nav {
    margin-top: 70px;

    display: flex;
    flex-direction: column;
}

.mobile-menu-nav a {
    position: relative;

    padding: 17px 0;

    display: flex;
    align-items: center;

    gap: 22px;

    border-bottom: 1px solid #ddd;

    font-family: "Cormorant Garamond", serif;

    font-size: 30px;
    letter-spacing: .08em;

    color: #222;
}

.mobile-menu-nav a span {
    width: 26px;

    font-family: "Noto Sans JP", sans-serif;

    font-size: 9px;
    letter-spacing: .12em;

    color: #83c9ef;
}


/* 下の英字 */

.mobile-menu-message {
    margin: auto 0 0;

    font-size: 8px;
    line-height: 1.8;

    letter-spacing: .25em;

    color: #777;
}

/* =====================
   CONTACT PAGE - MOBILE
===================== */

.contact-page-section {
    padding: 36px 28px;

    grid-template-columns: 1fr;
    gap: 36px;
}

.contact-page-intro {
    padding-top: 0;
}

.contact-page-intro h2 {
    margin-bottom: 18px;

    font-size: 24px;
    line-height: 1.7;
}

.contact-page-intro p {
    font-size: 11px;
    line-height: 1.9;
}

.contact-form-area {
    width: 100%;
}

.contact-form-area label {
    margin-bottom: 26px;
}

.contact-form-area input[type="text"],
.contact-form-area input[type="email"],
.contact-form-area textarea {
    width: 100%;
}

.contact-form-area input[type="submit"] {
    width: 100%;

    margin-left: 0;
}

/* =====================
   SERVICE PAGE - MOBILE
===================== */

.service-page-section {
    padding: 36px 28px;
}

.service-detail-item {
    min-height: auto;
    padding: 28px 24px;
}
.ai-project-description {
    font-size: 11px;
    line-height: 1.9;
}

.single-works .page-heading h1 {
    font-size: 23px;
    letter-spacing: .03em;
    white-space: nowrap;
}


/* PLAN見出し（スマホ） */
.plan-section .about-section-heading h2 {
    font-size: 19px;
    letter-spacing: 0;
}


}