@charset "UTF-8";
/* ==========================================================================
   トップページ専用（index.php のみが読み込む）
   - 背景3D（#bg3d）と濃紺は style.css・index.php の既存実装をそのまま使う
   - 濃紺の帯（.h-dark）は半透明にして3Dを透かし、明るい帯（.h-light）は不透明にする
   - style.css の body.page-home 系ルール（暗背景用の文字色・影）より強い指定で上書きするため、
     セレクタは原則 body.page-home main から書く
   ========================================================================== */

body.page-home {
    --h-navy: #050b1f;
    --h-ink: #0f172a;
    --h-ink-2: #334155;
    --h-muted: #5b6b82;
    --h-line: #dde3ec;
    --h-mist: #f3f5fa;
    --h-accent: #4f46e5;
    --h-cyan: #7dd3fc;
    --h-lime: #b6e37a;
    --h-on-dark: #eef2ff;
    --h-on-dark-2: #c3cfe8;
    --h-line-dark: rgba(148, 163, 184, 0.26);
    --h-en: "Space Grotesk", "Noto Sans JP", sans-serif;
}

/* ---------- 帯の共通 ---------- */
body.page-home main > section.h-sec {
    margin: 0;
    padding: 14rem 0;
}
body.page-home main > section.h-light {
    background: #fff;
    color: var(--h-ink);
}
body.page-home main > section.h-mist {
    background: var(--h-mist);
}
body.page-home main > section.h-dark {
    background: linear-gradient(180deg, rgba(5, 11, 31, 0.8) 0%, rgba(11, 20, 48, 0.66) 100%);
    color: var(--h-on-dark);
}
/* 濃紺→明るい帯の境目に、3D・進捗バーと同じ配色のライン */
body.page-home main > section.h-dark + section.h-light {
    position: relative;
}
body.page-home main > section.h-dark + section.h-light::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #6c63ff, #3fc8ff, #9bdd4f);
}
body.page-home main .h-wrap {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 3.2rem;
}
/* 文節の途中で改行させない */
body.page-home main .h-nb {
    display: inline-block;
}

/* 明るい帯では、暗背景用の文字の影を消す */
body.page-home main .h-light :is(h2, h3, p, li) {
    text-shadow: none;
}
/* style.css の「暗背景用リンク色」を無効化（各リンクは下で個別に指定） */
body.page-home main > section.h-sec a:not(.hero__cta) {
    color: inherit;
}

/* ---------- セクションの小見出し（番号＋短い線＋日本語） ---------- */
body.page-home main .h-label {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin: 0 0 2.4rem;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--h-accent);
}
body.page-home main .h-label span {
    font-family: var(--h-en);
    letter-spacing: 0.1em;
    color: var(--h-muted);
}
body.page-home main .h-label span::after {
    content: "";
    display: inline-block;
    width: 2.4rem;
    height: 1px;
    margin-left: 1.2rem;
    vertical-align: middle;
    background: currentColor;
    opacity: 0.6;
}
body.page-home main .h-dark .h-label {
    color: var(--h-cyan);
}
body.page-home main .h-dark .h-label span {
    color: var(--h-on-dark-2);
}

/* ---------- 矢印付きの文字リンク ---------- */
body.page-home main > section.h-sec a.h-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--h-accent);
    text-decoration: none;
}
body.page-home main > section.h-dark a.h-arrow {
    color: #a5d8ff;
}
body.page-home main a.h-arrow::after {
    content: "→";
    transition: transform 0.2s ease;
}
body.page-home main a.h-arrow:hover::after {
    transform: translateX(4px);
}
body.page-home main a:focus-visible,
body.page-home main summary:focus-visible {
    outline: 2px solid #3fc8ff;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ---------- ボタン ---------- */
body.page-home main > section.h-sec a.h-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 5.8rem;
    padding: 0 3.4rem;
    border-radius: 999px;
    font-size: 1.6rem;
    font-weight: 700;
    text-decoration: none;
    transition: filter 0.2s ease, transform 0.2s ease;
}
body.page-home main > section.h-sec a.h-btn--main {
    background: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
    color: #fff;
    box-shadow: 0 18px 40px -20px rgba(56, 189, 248, 0.8);
}
body.page-home main > section.h-sec a.h-btn--ink {
    background: var(--h-ink);
    color: #fff;
}
body.page-home main a.h-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
}

/* ==========================================================================
   1. ヒーロー（濃紺＋3D。文字側だけ濃くして3Dは右側に見せる）
   ========================================================================== */
body.page-home main > section.h-hero {
    padding: 0;
    min-height: calc(100vh - 7rem);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(90deg, rgba(5, 11, 31, 0.9) 0%, rgba(5, 11, 31, 0.72) 40%, rgba(5, 11, 31, 0.18) 72%, rgba(5, 11, 31, 0) 100%);
}
body.page-home main .h-hero__body {
    width: 100%;
    padding-top: 11rem;
    padding-bottom: 8rem;
}
body.page-home main .h-hero__eyebrow {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--h-cyan);
    text-shadow: none;
}
body.page-home main .h-hero__title {
    margin: 2.4rem 0 0;
    font-size: clamp(5.2rem, 5.6vw, 8.4rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.035em;
    color: #f4f7ff;
    text-shadow: 0 2px 24px rgba(5, 11, 31, 0.7);
}
body.page-home main .h-hero__sub {
    max-width: 30em;
    margin: 3.2rem 0 0;
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.7;
    letter-spacing: 0.01em;
    color: #d6e6ff;
}
body.page-home main .h-hero__lead {
    max-width: 34em;
    margin: 1.6rem 0 0;
    font-size: 1.7rem;
    line-height: 1.95;
    color: var(--h-on-dark-2);
}
body.page-home main .h-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.6rem 3.2rem;
    margin-top: 4rem;
}
body.page-home main > section.h-sec a.h-hero__more {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(232, 237, 255, 0.4);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--h-on-dark);
}
body.page-home main .h-hero__more::after {
    content: "↓";
}
body.page-home main .h-hero__note {
    margin: 2rem 0 0;
    font-size: 1.4rem;
    line-height: 1.8;
    color: #a9b8d6;
}
/* ヒーロー下端の対応領域インデックス（PCのみ） */
body.page-home main .h-hero__index {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    border-top: 1px solid var(--h-line-dark);
}
body.page-home main > section.h-sec .h-hero__index a {
    display: block;
    padding: 2.2rem 1.8rem 2.6rem;
    border-left: 1px solid var(--h-line-dark);
    background: rgba(5, 11, 31, 0.5);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.55;
    color: var(--h-on-dark);
    transition: background 0.2s ease;
}
body.page-home main .h-hero__index a:first-child {
    border-left: 0;
}
body.page-home main .h-hero__index a:hover {
    background: rgba(79, 70, 229, 0.28);
}
body.page-home main .h-hero__index span {
    display: block;
    margin-bottom: 0.6rem;
    font-family: var(--h-en);
    font-size: 1.2rem;
    letter-spacing: 0.14em;
    color: var(--h-cyan);
}

/* ==========================================================================
   2. 対応領域（番号付きの行）
   ========================================================================== */
body.page-home main .h-services__grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 8rem;
}
body.page-home main .h-services__intro {
    position: sticky;
    top: 12rem;
    align-self: start;
}
body.page-home main .h-services__title {
    margin: 0;
    font-size: clamp(3.8rem, 3.6vw, 5.2rem);
    font-weight: 800;
    line-height: 1.28;
    letter-spacing: -0.03em;
    color: var(--h-ink);
}
body.page-home main .h-services__text {
    max-width: 26em;
    margin: 2.4rem 0 0;
    font-size: 1.6rem;
    line-height: 1.9;
    color: var(--h-ink-2);
}
body.page-home main .h-services__rows {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 2px solid var(--h-ink);
}
body.page-home main .h-services__row {
    display: grid;
    grid-template-columns: 6.4rem minmax(0, 1fr);
    padding: 3.2rem 0 3rem;
    border-bottom: 1px solid var(--h-line);
    scroll-margin-top: 10rem;
}
body.page-home main .h-services__no {
    padding-top: 0.6rem;
    font-family: var(--h-en);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--h-accent);
}
body.page-home main .h-services__name {
    margin: 0;
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1.45;
    letter-spacing: -0.01em;
    color: var(--h-ink);
}
body.page-home main .h-services__body {
    margin: 0.8rem 0 0.4rem;
    font-size: 1.6rem;
    line-height: 1.85;
    color: var(--h-ink-2);
}

/* ==========================================================================
   3. 開発の考え方（濃紺＋3D）
   ========================================================================== */
body.page-home main .h-approach__lead {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 6.4rem;
    align-items: end;
}
body.page-home main .h-approach__title {
    margin: 0;
    font-size: clamp(4rem, 4.2vw, 6rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.035em;
    color: #fff;
}
body.page-home main .h-approach__text p {
    margin: 0;
    font-size: 1.7rem;
    line-height: 1.95;
    color: var(--h-on-dark-2);
}
body.page-home main .h-approach__text p + p {
    margin-top: 1.6rem;
}
/* 確かめていること：点と線でつないだ5項目（3Dのネットワークと呼応させる） */
body.page-home main .h-after {
    margin-top: 8.8rem;
}
body.page-home main .h-after__head {
    margin: 0 0 3.2rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--h-cyan);
}
body.page-home main .h-after__list {
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 3.2rem;
}
body.page-home main .h-after__list::before {
    content: "";
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(63, 200, 255, 0.8), rgba(108, 99, 255, 0.5), rgba(155, 221, 79, 0.6));
}
body.page-home main .h-after__list li {
    position: relative;
    padding-top: 3.2rem;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.65;
    color: #fff;
}
body.page-home main .h-after__list li::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    background: #3fc8ff;
    box-shadow: 0 0 0 4px rgba(63, 200, 255, 0.18);
}
/* AIで読み解き、開発者が判断する */
body.page-home main .h-build {
    margin-top: 10rem;
    padding-top: 6.4rem;
    border-top: 1px solid var(--h-line-dark);
}
body.page-home main .h-build__title {
    margin: 0;
    font-size: clamp(2.8rem, 2.6vw, 3.6rem);
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: #fff;
}
body.page-home main .h-build__text {
    max-width: 40em;
    margin: 1.6rem 0 0;
    font-size: 1.6rem;
    line-height: 1.9;
    color: var(--h-on-dark-2);
}
body.page-home main .h-build__steps {
    list-style: none;
    margin: 4.8rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: auto auto auto;
}
body.page-home main .h-build__step {
    display: grid;
    grid-row: span 3;
    grid-template-rows: subgrid;
    row-gap: 1.6rem;
    padding: 0 2.4rem 0.8rem;
    border-left: 1px solid var(--h-line-dark);
}
body.page-home main .h-build__step:first-child {
    padding-left: 0;
    border-left: 0;
}
body.page-home main .h-build__name {
    margin: 0;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
}
body.page-home main .h-build__name span {
    margin-right: 1rem;
    font-family: var(--h-en);
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    color: var(--h-cyan);
}
body.page-home main .h-build__role {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.75;
}
body.page-home main .h-build__role span {
    display: inline-block;
    margin: 0 0 0.6rem;
    padding: 0.1rem 1rem;
    border-radius: 999px;
    border: 1px solid;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.8;
    letter-spacing: 0.04em;
}
body.page-home main .h-build__role--ai {
    color: #bcdcf2;
}
body.page-home main .h-build__role--ai span {
    display: table;
    color: var(--h-cyan);
    border-color: rgba(125, 211, 252, 0.45);
}
body.page-home main .h-build__role--dev {
    color: #fff;
}
body.page-home main .h-build__role--dev span {
    display: table;
    color: var(--h-lime);
    border-color: rgba(182, 227, 122, 0.5);
}
body.page-home main .h-build__note {
    margin: 4.8rem 0 0;
    padding-left: 1.6rem;
    border-left: 2px solid #3fc8ff;
    font-size: 1.5rem;
    line-height: 1.85;
    color: var(--h-on-dark-2);
}
body.page-home main > section.h-sec .h-build__note a {
    display: inline;
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ==========================================================================
   4. 開発経験と体制（明るい帯）
   ========================================================================== */
body.page-home main .h-experience__grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 8rem;
}
body.page-home main .h-experience__title {
    margin: 0;
    font-size: clamp(3.6rem, 3.4vw, 4.8rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.03em;
    color: var(--h-ink);
}
body.page-home main .h-experience__text {
    max-width: 36em;
    margin: 2.4rem 0 0;
    font-size: 1.7rem;
    line-height: 1.95;
    color: var(--h-ink-2);
}
body.page-home main .h-tech {
    margin: 4rem 0 0;
    border-top: 1px solid var(--h-line);
}
body.page-home main .h-tech__row {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: 2rem;
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--h-line);
}
body.page-home main .h-tech dt {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.9;
    color: var(--h-muted);
}
body.page-home main .h-tech dd {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.85;
    color: var(--h-ink);
}
body.page-home main .h-experience__links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin: 2.8rem 0 0;
}
body.page-home main .h-support {
    align-self: start;
    padding-left: 4rem;
    border-left: 2px solid var(--h-ink);
}
body.page-home main .h-support__title {
    margin: 0 0 2.4rem;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--h-ink);
}
body.page-home main .h-support__list {
    margin: 0 0 1.6rem;
}
body.page-home main .h-support__row + .h-support__row {
    margin-top: 2rem;
}
body.page-home main .h-support__row dt {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--h-accent);
}
body.page-home main .h-support__row dd {
    margin: 0.4rem 0 0;
    font-size: 1.6rem;
    line-height: 1.85;
    color: var(--h-ink-2);
}

/* ==========================================================================
   5. 実績（濃紺＋3D。罫線の台帳）
   ========================================================================== */
body.page-home main .h-works__title {
    margin: 0;
    font-size: clamp(3.6rem, 3.4vw, 4.8rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.03em;
    color: #fff;
}
body.page-home main .h-works__text {
    margin: 1.6rem 0 0;
    font-size: 1.6rem;
    line-height: 1.85;
    color: var(--h-on-dark-2);
}
body.page-home main .h-ledger {
    list-style: none;
    margin: 5.6rem 0 0;
    padding: 0;
    border-top: 1px solid rgba(238, 242, 255, 0.55);
}
body.page-home main .h-ledger__row {
    display: grid;
    grid-template-columns: 18rem minmax(0, 1fr) 28rem;
    gap: 4rem;
    padding: 3.6rem 0;
    border-bottom: 1px solid var(--h-line-dark);
}
body.page-home main .h-ledger__kind {
    margin: 0;
    padding-top: 0.4rem;
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.7;
    color: var(--h-cyan);
}
body.page-home main .h-ledger__name {
    margin: 0;
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.5;
    color: #fff;
}
body.page-home main .h-ledger__body {
    margin: 0.8rem 0 0;
    font-size: 1.6rem;
    line-height: 1.85;
    color: var(--h-on-dark-2);
}
body.page-home main .h-ledger__meta {
    margin: 0;
    padding-top: 0.4rem;
}
body.page-home main .h-ledger__meta div + div {
    margin-top: 1.2rem;
}
body.page-home main .h-ledger__meta dt {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #93a6cc;
}
body.page-home main .h-ledger__meta dd {
    margin: 0.2rem 0 0;
    font-size: 1.5rem;
    line-height: 1.75;
    color: var(--h-on-dark);
}
body.page-home main .h-own {
    margin-top: 7.2rem;
}
body.page-home main .h-own__head {
    margin: 0 0 1.6rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--h-on-dark-2);
}
body.page-home main .h-own__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--h-line-dark);
    border-bottom: 1px solid var(--h-line-dark);
}
body.page-home main .h-own__list li + li {
    border-left: 1px solid var(--h-line-dark);
}
body.page-home main > section.h-sec a.h-own__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.4rem 2rem;
    padding: 2.8rem 3.2rem 2.8rem 0;
    color: var(--h-on-dark);
}
body.page-home main .h-own__list li + li a.h-own__item {
    padding-left: 3.2rem;
}
body.page-home main .h-own__item strong {
    grid-column: 1;
    font-family: var(--h-en);
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
}
body.page-home main .h-own__item span {
    grid-column: 1;
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--h-on-dark-2);
}
body.page-home main .h-own__item::after {
    content: "→";
    grid-column: 2;
    grid-row: 1 / span 2;
    font-size: 2rem;
    color: var(--h-cyan);
    transition: transform 0.2s ease;
}
body.page-home main .h-own__item:hover::after {
    transform: translateX(4px);
}
body.page-home main .h-works__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 3.2rem;
    margin: 4rem 0 0;
}

/* ==========================================================================
   6. その他のサービス（HP制作を独立したエリアで大きく）
   ========================================================================== */
body.page-home main .h-others__title {
    margin: 0;
    font-size: clamp(3.4rem, 3.2vw, 4.6rem);
    font-weight: 800;
    line-height: 1.32;
    letter-spacing: -0.03em;
    color: var(--h-ink);
}
body.page-home main .h-others__grid {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 5.6rem;
    margin-top: 5.6rem;
    align-items: start;
}
body.page-home main .h-web {
    padding: 6.4rem 5.6rem;
    border-radius: 2.4rem;
    background:
        radial-gradient(circle at 100% 0%, rgba(99, 102, 241, 0.16) 0%, transparent 48%),
        linear-gradient(160deg, #eef1ff 0%, #f6f8fc 70%);
}
body.page-home main .h-web__kicker {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--h-accent);
}
body.page-home main .h-web__title {
    margin: 1.2rem 0 2rem;
    font-size: clamp(3rem, 2.8vw, 3.8rem);
    font-weight: 800;
    line-height: 1.38;
    letter-spacing: -0.025em;
    color: var(--h-ink);
}
body.page-home main .h-web__text {
    margin: 0;
    font-size: 1.7rem;
    line-height: 1.95;
    color: var(--h-ink-2);
}
body.page-home main .h-web__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.6rem 3.2rem;
    margin-top: 3.6rem;
}
body.page-home main .h-others__list {
    list-style: none;
    margin: 0;
    padding: 0;
}
body.page-home main .h-others__list li {
    padding: 3.6rem 0;
    border-bottom: 1px solid var(--h-line);
}
body.page-home main .h-others__list li:first-child {
    padding-top: 0.8rem;
}
body.page-home main .h-others__name {
    margin: 0;
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.5;
    color: var(--h-ink);
}
body.page-home main .h-others__text {
    margin: 0.8rem 0 0.4rem;
    font-size: 1.6rem;
    line-height: 1.85;
    color: var(--h-ink-2);
}

/* ==========================================================================
   7. 進め方＋FAQ
   ========================================================================== */
body.page-home main .h-flow__title {
    margin: 0;
    font-size: clamp(2.8rem, 2.6vw, 3.4rem);
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--h-ink);
}
body.page-home main .h-flow {
    position: relative;
    list-style: none;
    margin: 4.8rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 3.2rem;
}
body.page-home main .h-flow::before {
    content: "";
    position: absolute;
    top: 0.7rem;
    left: 0.7rem;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #6c63ff, #3fc8ff, #9bdd4f);
}
body.page-home main .h-flow li {
    position: relative;
    padding-top: 3.6rem;
}
body.page-home main .h-flow li::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    box-shadow: 0 0 0 5px var(--h-mist);
}
body.page-home main .h-flow__no {
    display: block;
    font-family: var(--h-en);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--h-accent);
}
body.page-home main .h-flow__name {
    display: block;
    margin: 0.4rem 0 0.6rem;
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--h-ink);
}
body.page-home main .h-flow__body {
    display: block;
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--h-ink-2);
}
body.page-home main .h-faq {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 8rem;
    margin-top: 12rem;
}
body.page-home main .h-faq__title {
    margin: 0 0 1.6rem;
    font-size: clamp(3.4rem, 3.2vw, 4.4rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.03em;
    color: var(--h-ink);
}
body.page-home main .h-faq__list {
    border-top: 1px solid var(--h-ink);
}
body.page-home main .h-faq__item {
    border-bottom: 1px solid var(--h-line);
}
body.page-home main .h-faq__item summary {
    position: relative;
    display: block;
    padding: 2.6rem 5.6rem 2.6rem 0;
    cursor: pointer;
    list-style: none;
}
body.page-home main .h-faq__item summary::-webkit-details-marker {
    display: none;
}
body.page-home main .h-faq__item summary::after {
    content: "+";
    position: absolute;
    top: 2.2rem;
    right: 0.4rem;
    font-family: var(--h-en);
    font-size: 2.6rem;
    line-height: 1;
    color: var(--h-accent);
}
body.page-home main .h-faq__item[open] summary::after {
    content: "−";
}
body.page-home main .h-faq__q {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--h-ink);
}
body.page-home main .h-faq__a {
    padding: 0 5.6rem 2.8rem 0;
}
body.page-home main .h-faq__a p {
    margin: 0 0 0.4rem;
    font-size: 1.6rem;
    line-height: 1.95;
    color: var(--h-ink-2);
}

/* ==========================================================================
   8. お問い合わせ（濃紺＋3D。大きな文字と矢印の行）
   ========================================================================== */
body.page-home main .h-contact__title {
    margin: 0;
    font-size: clamp(4.4rem, 4.8vw, 6.8rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.035em;
    color: #fff;
}
body.page-home main .h-routes {
    list-style: none;
    margin: 5.6rem 0 0;
    padding: 0;
    border-top: 1px solid rgba(238, 242, 255, 0.45);
}
body.page-home main .h-routes li {
    border-bottom: 1px solid var(--h-line-dark);
}
body.page-home main > section.h-sec .h-routes a {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.4rem 2.4rem;
    padding: 3rem 0;
    color: var(--h-on-dark);
}
body.page-home main .h-routes strong {
    grid-column: 1;
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.45;
    color: #fff;
    transition: color 0.2s ease;
}
body.page-home main .h-routes span {
    grid-column: 1;
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--h-on-dark-2);
}
body.page-home main .h-routes a::after {
    content: "→";
    grid-column: 2;
    grid-row: 1 / span 2;
    font-family: var(--h-en);
    font-size: 3rem;
    color: #3fc8ff;
    transition: transform 0.2s ease;
}
body.page-home main .h-routes a:hover strong {
    color: var(--h-cyan);
}
body.page-home main .h-routes a:hover::after {
    transform: translateX(6px);
}
body.page-home main .h-contact__tel {
    margin: 3.2rem 0 0;
    font-size: 1.5rem;
    line-height: 1.8;
    color: var(--h-on-dark-2);
}
body.page-home main > section.h-sec .h-contact__tel a {
    display: inline;
    font-weight: 700;
    color: #fff;
}

/* ==========================================================================
   画面幅ごとの調整
   ========================================================================== */
@media (min-width: 1440px) {
    body.page-home main .h-hero__body {
        padding-top: 13rem;
    }
}
@media (max-width: 1100px) {
    body.page-home main .h-ledger__row {
        grid-template-columns: 14rem minmax(0, 1fr) 22rem;
        gap: 3.2rem;
    }
}
@media (max-width: 900px) {
    body.page-home main > section.h-sec {
        padding: 6.4rem 0;
    }
    body.page-home main .h-wrap {
        padding: 0 2rem;
    }
    body.page-home main .h-pc {
        display: none;
    }

    /* ヒーロー：縦方向に濃くして文字の可読性を確保。インデックスは下の対応領域と重複するため隠す */
    body.page-home main > section.h-hero {
        min-height: 0;
        background: linear-gradient(180deg, rgba(5, 11, 31, 0.82) 0%, rgba(5, 11, 31, 0.7) 100%);
    }
    body.page-home main .h-hero__body {
        padding-top: 5.6rem;
        padding-bottom: 6.4rem;
    }
    body.page-home main .h-hero__eyebrow {
        font-size: 1.3rem;
        letter-spacing: 0.1em;
    }
    body.page-home main .h-hero__title {
        margin-top: 1.6rem;
        font-size: clamp(3rem, 9.6vw, 4.6rem);
        line-height: 1.24;
        letter-spacing: -0.03em;
    }
    body.page-home main .h-hero__sub {
        margin-top: 2rem;
        font-size: 1.8rem;
        line-height: 1.65;
    }
    body.page-home main .h-hero__lead {
        font-size: 1.6rem;
        line-height: 1.9;
    }
    body.page-home main .h-hero__actions {
        flex-direction: column;
        align-items: stretch;
        gap: 1.2rem;
        margin-top: 3.2rem;
    }
    body.page-home main > section.h-sec a.h-btn {
        width: 100%;
        min-height: 5.6rem;
        padding: 0 2rem;
    }
    body.page-home main > section.h-sec a.h-hero__more {
        align-self: flex-start;
    }
    body.page-home main .h-hero__note {
        font-size: 1.4rem;
    }
    body.page-home main .h-hero__index {
        display: none;
    }

    /* 対応領域 */
    body.page-home main .h-services__grid,
    body.page-home main .h-approach__lead,
    body.page-home main .h-experience__grid,
    body.page-home main .h-others__grid,
    body.page-home main .h-faq {
        grid-template-columns: minmax(0, 1fr);
        gap: 4rem;
    }
    body.page-home main .h-services__intro {
        position: static;
    }
    body.page-home main .h-services__text {
        display: none;
    }
    body.page-home main .h-services__title {
        font-size: clamp(3rem, 8.4vw, 4rem);
    }
    body.page-home main .h-services__row {
        grid-template-columns: 4.4rem minmax(0, 1fr);
        padding: 2.6rem 0 2.4rem;
    }
    body.page-home main .h-services__no {
        padding-top: 0.4rem;
        font-size: 1.4rem;
    }
    body.page-home main .h-services__name {
        font-size: 2rem;
    }

    /* 開発の考え方 */
    body.page-home main .h-approach__lead {
        gap: 2.4rem;
    }
    body.page-home main .h-approach__title {
        font-size: clamp(3rem, 8.8vw, 4.4rem);
        line-height: 1.28;
    }
    body.page-home main .h-approach__text p {
        font-size: 1.6rem;
        line-height: 1.9;
    }
    body.page-home main .h-after {
        margin-top: 5.6rem;
    }
    body.page-home main .h-after__head {
        margin-bottom: 2rem;
    }
    body.page-home main .h-after__list {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.6rem;
    }
    body.page-home main .h-after__list::before {
        top: 0.6rem;
        bottom: 0.6rem;
        left: 0.55rem;
        right: auto;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, rgba(63, 200, 255, 0.8), rgba(108, 99, 255, 0.5), rgba(155, 221, 79, 0.6));
    }
    body.page-home main .h-after__list li {
        padding: 0 0 0 3.2rem;
        font-size: 1.7rem;
    }
    body.page-home main .h-after__list li::before {
        top: 0.6rem;
    }
    body.page-home main .h-build {
        margin-top: 6.4rem;
        padding-top: 4.8rem;
    }
    body.page-home main .h-build__title {
        font-size: 2.4rem;
    }
    body.page-home main .h-build__steps {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: none;
        gap: 2.8rem;
        margin-top: 3.6rem;
    }
    body.page-home main .h-build__step,
    body.page-home main .h-build__step:first-child {
        display: block;
        grid-row: auto;
        padding: 0 0 0 2rem;
        border-left: 2px solid var(--h-line-dark);
    }
    body.page-home main .h-build__name {
        margin-bottom: 1.2rem;
        font-size: 1.9rem;
    }
    body.page-home main .h-build__role + .h-build__role {
        margin-top: 0.8rem;
    }
    /* スマホは「AI」「開発者」の札を文頭に並べて行数を減らす */
    body.page-home main .h-build__role--ai span,
    body.page-home main .h-build__role--dev span {
        display: inline-block;
        margin: 0 0.8rem 0 0;
        vertical-align: 0.1em;
    }
    body.page-home main .h-build__note {
        margin-top: 3.6rem;
        font-size: 1.4rem;
    }

    /* 開発経験と体制 */
    body.page-home main .h-experience__title,
    body.page-home main .h-works__title,
    body.page-home main .h-others__title,
    body.page-home main .h-faq__title {
        font-size: clamp(2.8rem, 7.6vw, 3.6rem);
    }
    body.page-home main .h-experience__text,
    body.page-home main .h-web__text {
        font-size: 1.6rem;
        line-height: 1.9;
    }
    body.page-home main .h-tech__row {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.2rem;
        padding: 1.4rem 0;
    }
    body.page-home main .h-support {
        padding-left: 2rem;
    }
    body.page-home main .h-support__title {
        font-size: 2rem;
    }

    /* 実績 */
    body.page-home main .h-ledger {
        margin-top: 3.6rem;
    }
    body.page-home main .h-ledger__row {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.8rem;
        padding: 2.8rem 0;
    }
    body.page-home main .h-ledger__name {
        font-size: 1.9rem;
    }
    body.page-home main .h-ledger__meta {
        display: flex;
        flex-wrap: wrap;
        gap: 0.8rem 2.4rem;
        padding-top: 0.4rem;
    }
    body.page-home main .h-ledger__meta div + div {
        margin-top: 0;
    }
    body.page-home main .h-own {
        margin-top: 4.8rem;
    }
    body.page-home main .h-own__list {
        grid-template-columns: minmax(0, 1fr);
    }
    body.page-home main .h-own__list li + li {
        border-left: 0;
        border-top: 1px solid var(--h-line-dark);
    }
    body.page-home main > section.h-sec a.h-own__item,
    body.page-home main .h-own__list li + li a.h-own__item {
        padding: 2.2rem 0;
    }
    body.page-home main .h-own__item strong {
        font-size: 2.4rem;
    }

    /* その他のサービス */
    body.page-home main .h-others__grid {
        margin-top: 3.6rem;
    }
    body.page-home main .h-web {
        padding: 4rem 2.4rem;
        border-radius: 1.6rem;
    }
    body.page-home main .h-web__title {
        font-size: clamp(2.4rem, 6.8vw, 3rem);
    }
    body.page-home main .h-web__actions {
        flex-direction: column;
        align-items: stretch;
        gap: 0.8rem;
    }
    body.page-home main .h-web__actions .h-arrow {
        align-self: flex-start;
    }
    body.page-home main .h-others__list li {
        padding: 2.8rem 0;
    }
    body.page-home main .h-others__list li:first-child {
        padding-top: 0;
    }
    body.page-home main .h-others__name {
        font-size: 2rem;
    }

    /* 進め方＋FAQ */
    body.page-home main .h-flow {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.4rem;
        margin-top: 3.2rem;
    }
    body.page-home main .h-flow::before {
        top: 0.7rem;
        bottom: 0.7rem;
        left: 0.6rem;
        right: auto;
        width: 2px;
        height: auto;
        background: linear-gradient(180deg, #6c63ff, #3fc8ff, #9bdd4f);
    }
    body.page-home main .h-flow li {
        padding: 0 0 0 3.4rem;
    }
    body.page-home main .h-flow__name {
        margin: 0.2rem 0 0;
        font-size: 1.8rem;
    }
    /* スマホは工程名だけにして縦の長さを抑える */
    body.page-home main .h-flow__body {
        display: none;
    }
    body.page-home main > section.h-sec a.h-arrow {
        padding: 1rem 0;
    }
    body.page-home main .h-faq {
        margin-top: 8rem;
        gap: 2.4rem;
    }
    body.page-home main .h-faq__item summary {
        padding: 2.2rem 4rem 2.2rem 0;
    }
    body.page-home main .h-faq__item summary::after {
        top: 1.9rem;
    }
    body.page-home main .h-faq__q {
        font-size: 1.7rem;
    }
    body.page-home main .h-faq__a {
        padding-right: 0;
    }

    /* お問い合わせ */
    body.page-home main .h-contact__title {
        font-size: clamp(3rem, 8.8vw, 4.4rem);
        line-height: 1.28;
    }
    body.page-home main .h-routes {
        margin-top: 3.6rem;
    }
    body.page-home main > section.h-sec .h-routes a {
        padding: 2.4rem 0;
        gap: 0.4rem 1.6rem;
    }
    body.page-home main .h-routes strong {
        font-size: 1.9rem;
    }
    body.page-home main .h-routes span {
        font-size: 1.4rem;
    }
    body.page-home main .h-routes a::after {
        font-size: 2.4rem;
    }
}
@media (max-width: 360px) {
    body.page-home main .h-wrap {
        padding: 0 1.6rem;
    }
    body.page-home main .h-hero__sub {
        font-size: 1.7rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    body.page-home main *,
    body.page-home main *::after {
        transition: none !important;
    }
}

/* 見出しの改行位置（日本語の文節で折り返し、最終行に1〜2文字だけ残らないようにする）。
   3Dのあるヒーローの h1 は対象外 */
body.page-home main > section.h-sec :is(h2, h3) {
    text-wrap: balance;
    word-break: auto-phrase;
}