@charset "UTF-8";

/* =========================================================
    Root Variables
========================================================= */

:root {

    /* Colors */
    --primary: #002586;
    --accent: #FDE134;
    --accent-hover: #c8ae00;

    --text-main: #333;
    --heading: #111;
    --border: #E5E5E5;
    --bg-light: #EDF2FA;
}


/* =========================================================
    Base
========================================================= */

html {
    scroll-behavior: smooth;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background: #fff;
    -webkit-text-size-adjust: 100%;
}

body.drawer-open {
    overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--heading);
    line-height: 1.4;
}

p {
    font-size: 16px;
}

/* PC改行 */
.br-pc {
    display: inline;
}

/* SP改行 */
.br-sp {
    display: none;
}

/* タブレット改行 */
.br-tb {
    display: none;
}

/* テキスト強調(青文字) */
.text-emphasis {
    color: var(--primary);
}


/* =========================================================
    Typography Scale
========================================================= */

h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
}

h2 {
    font-size: clamp(23px, 3.2vw, 34px);
    font-weight: 700;
}

h3 {
    font-size: clamp(20px, 2.4vw, 24px);
}


/* =========================================================
    Layout
========================================================= */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}


/* =========================================================
    section-title
========================================================= */

.section-head {
    margin-bottom: 40px;
    text-align: center;
}

.section-title {
    color: var(--primary);
}

.section__title-line {
    display: block;
    width: 100px;
    height: 3px;
    margin: 18px auto 0;
    background: var(--primary);
    border-radius: 999px;
}

.section__lead {
    font-size: 20px;
    text-align: center;
    margin-bottom: 60px;
}

@media (max-width: 767px) {
    .section__title-line {
        width: 72px;
        height: 2px;
        margin: 12px auto 0;

    }
}


/* =========================================================
    Components - Button
========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: 0.3s;
    white-space: nowrap;
}

.btn--cta {
    height: 70px;
    padding: 0 48px;
    background: var(--accent);
    color: #fff;
    border-radius: 8px;
    font-size: 22px;
    min-width: 350px;
}

.btn--cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}


/* =========================================================
    Scroll Reveal
========================================================= */

.reveal-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
    .reveal-up {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero__content {
        opacity: 1;
        transform: none;
        animation: none;
    }

    .hero__image {
        opacity: 1;
        animation: none;
    }
}


/* =========================================================
    Responsive
========================================================= */

@media (max-width: 767px) {

    .container {
        padding: 0 20px;
    }

    .section {
        padding: 60px 0;
    }

    .br-pc {
        display: none;
    }

    .br-sp {
        display: inline;
    }

    .br-tb {
        display: none;
    }

}

@media (min-width: 768px) and (max-width: 1200px) {

    .br-pc,
    .br-sp {
        display: none;
    }

    .br-tb {
        display: inline;
    }

}


/* =========================================================
    Header
========================================================= */
.header {
    position: relative;
    z-index: 100;
    background: #fff;
}

.header__inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.header__logo,
.header__sub-logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.header__logo img {
    display: block;
    height: 50px;
    width: auto;
}

.header__sub-logo img {
    display: block;
    height: 26px;
    width: auto;
}

.header__menu {
    display: flex;
    align-items: center;
    gap: 32px;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--heading);
}

.header__menu a {
    color: var(--heading);
    position: relative;
    font-weight: 600;
    transition: color 0.3s ease;
}

.header__menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 1px;
    background: var(--primary);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.header__menu a:hover {
    color: var(--primary);
}

.header__menu a:hover::after {
    opacity: 1;
    /* スッと出る */
}

/* ハンバーガー（PCでは非表示） */
.header__hamburger {
    display: none;
    width: 32px;
    height: 24px;
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
}

.header__hamburger span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #333;
    transition: 0.3s;
}

.header__hamburger span:nth-child(1) {
    top: 0;
}

.header__hamburger span:nth-child(2) {
    top: 10px;
}

.header__hamburger span:nth-child(3) {
    bottom: 0;
}

/* ドロワー */
.drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: linear-gradient(180deg, #ffffff 0%, #e2efff 100%);
    transition: 0.3s;
    z-index: 200;
    padding: 0;
    border-left: 1px solid #d8e2ff;
    box-shadow: -14px 0 36px rgba(0, 23, 83, 0.2);
}

.drawer__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 190;
}

.drawer__overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.drawer__menu {
    list-style: none;
    padding: 0;
    margin: 28px 0 0;
}

.drawer__menu li {
    margin-bottom: 0;
    border-bottom: 1px solid #dbe4fb;
}

.drawer__menu a {
    display: block;
    position: relative;
    padding: 16px 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.drawer__menu a::after {
    content: "›";
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    line-height: 1;
    color: #8ea5e6;
}

/* 開いた状態 */
.drawer.is-open {
    right: 0;
}

/* ドロワー内 */
.drawer__inner {
    padding: 20px 18px 28px;
    position: relative;
    height: 100%;
    overflow-y: auto;
}

.drawer__logo img {
    display: block;
    width: min(220px, 100%);
    height: auto;
}

.drawer__close {
    position: absolute;
    top: 16px;
    right: 12px;
    width: 36px;
    height: 36px;
    font-size: 26px;
    line-height: 1;
    color: var(--primary);
    background: #eef3ff;
    border-radius: 999px;
    border: none;
    cursor: pointer;
}

/* ハンバーガー変形 */
.header__hamburger.is-open span:nth-child(1) {
    transform: rotate(45deg);
    top: 10px;
}

.header__hamburger.is-open span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.is-open span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 10px;
}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 960px) {

    /* ナビとサブロゴ消す */
    .header__nav,
    .header__sub-logo {
        display: none;
    }

    /* ハンバーガー表示 */
    .header__hamburger {
        display: block;
    }
}

/* SP */
@media (max-width: 767px) {
    .header__inner {
        padding: 10px 16px;
        gap: 12px;
    }

    .header__logo img {
        height: 34px;
    }

    .header__hamburger {
        width: 28px;
        height: 20px;
    }

    .header__hamburger span:nth-child(2) {
        top: 9px;
    }
}

/* =========================================================
    HEROセクション
========================================================= */
.hero {
    background: url('../img/main-bg.webp') no-repeat center top / cover;
    padding: 50px clamp(20px, 5vw, 85px) 80px;
}

.hero__inner {
    display: flex;
    justify-content: space-between;
    position: relative;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

.hero__content {
    max-width: 560px;
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateX(-80px);
    animation: heroContentIn 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) 0.55s forwards;
    will-change: transform, opacity;
}

.hero__form {
    position: relative;
    z-index: 3;
}

.hero__title {
    margin: 0 0 24px;
    line-height: 1.2;
    font-weight: 800;
}

.hero__line {
    display: block;
}

.hero__lg {
    font-size: 48px;
    font-weight: 800;
}

.hero__md {
    font-size: 32px;
    font-weight: 700;
}

.hero__xl {
    font-size: 64px;
    font-weight: 900;
}

.hero__particle {
    display: inline-block;
    margin-right: -6px;
}

.hero__line--nowrap {
    white-space: nowrap;
}

.hero__grad {
    background: linear-gradient(90deg,
            #002586 0%,
            #1069C1 50%,
            #002586 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__lead {
    margin-bottom: 32px;
    font-size: 24px;
    line-height: 1.7;
    color: var(--heading);
}

.hero__badge {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    padding: 12px 40px 12px 20px;
    background: linear-gradient(90deg, #002586 0%, #658EFB 80%, #E4ECFF 100%);
    margin-bottom: 32px;
}

.hero__badge-inner {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.hero__badge-label {
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.hero__badge-number {
    font-size: 38px;
    font-weight: 700;
    line-height: 1;
}

.hero__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.hero__list li {
    position: relative;
    padding-left: 36px;
    min-height: 22px;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.8;
}

.hero__list li+li {
    margin-top: 6px;
}

.hero__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    background: url("../img/check-square-bold.svg") no-repeat center / contain;
}

.hero__image {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%) translateY(-8px);
    z-index: 1;
    opacity: 0;
    animation: heroIllustIn 0.85s cubic-bezier(0.22, 0.61, 0.36, 1) 0.12s forwards;
    will-change: transform, opacity;
}

.hero__image img {
    width: 420px;
}

@keyframes heroContentIn {
    from {
        opacity: 0;
        transform: translateX(-80px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes heroIllustIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(48px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(-8px);
    }
}

.hero__cta-card {
    display: none;
}

.form-card {
    width: 100%;
    max-width: 400px;
    min-height: auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
    display: grid;
    place-items: center;
    padding: 10px 10px 0;
    overflow: visible;
}

.hero__form-close {
    display: none;
}

.first-view__form-title {
    text-align: center;
}

.first-view__form--caption {
    font-size: 14px;
    margin: 10px 0 0;
}

.first-view__form-embed {
    width: 100%;
    height: 552px;
    overflow: hidden;
}

.first-view__form iframe {
    display: block;
    width: 108.7%;
    height: 600px;
    border: 0;
    transform: scale(0.9);
    transform-origin: top left;
}

/* ===== responsive ===== */
/* Tablet (768-960) */
@media (min-width: 768px) and (max-width: 960px) {
    .hero__form {
        width: min(340px, 100%);
    }

    .form-card {
        padding: 8px 8px 0;
    }

    .first-view__form-title {
        font-size: 20px;
        line-height: 1.4;
    }

    .first-view__form--caption {
        margin-top: 8px;
        font-size: 13px;
        line-height: 1.65;
    }

    .first-view__form-embed {
        height: 470px;
    }

    .first-view__form iframe {
        width: 122%;
        height: 600px;
        transform: scale(0.78);
        transform-origin: top left;
    }
}

/* SP */
@media (max-width: 767px) {
    .hero {
        padding: 0 0 16px;
        background: url("../img/main-spbg.webp") no-repeat center top / cover;
    }

    .hero__inner {
        display: flex;
        flex-direction: column;
        min-height: auto;
        padding: 16px 14px 0;
    }

    .hero__content {
        max-width: 100%;
        padding-top: 0;
        order: 1;
        transform: translateX(-40px);
        animation: heroContentInSp 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) 0.5s forwards;
    }

    .hero__line--nowrap {
        white-space: normal;
    }

    .hero__lg {
        font-size: 36px;
    }

    .hero__md {
        font-size: 20px;
    }

    .hero__xl {
        font-size: 50px;
    }

    .hero__lead {
        margin-bottom: 22px;
        font-size: 16px;
        line-height: 1.85;
    }

    .hero__badge {
        margin-bottom: 14px;
        padding: 10px 18px;
        border-radius: 0;
    }

    .hero__badge-label {
        font-size: 16px;
    }

    .hero__badge-number {
        font-size: 24px;
    }

    .hero__list {
        margin-bottom: 16px;
    }

    .hero__list li {
        padding-left: 28px;
        font-size: 16px;
        line-height: 1.7;
    }

    .hero__list li::before {
        width: 18px;
        height: 18px;
    }

    .hero__image {
        position: static;
        order: 3;
        transform: none;
        margin: 20px auto 12px;
        text-align: center;
        animation: heroIllustInSp 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) 0.08s forwards;
    }

    .hero__image img {
        width: min(62vw, 240px);
        margin: 0 auto;
    }

    @keyframes heroContentInSp {
        from {
            opacity: 0;
            transform: translateX(-40px);
        }

        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    @keyframes heroIllustInSp {
        from {
            opacity: 0;
            transform: translateY(34px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .hero__form {
        max-width: 100%;
        margin: 0;
        order: 2;
    }

    .hero__cta-card {
        display: block;
        width: 100%;
        margin: 0;
        padding: 22px 14px 16px;
        background: #fff;
        border: 0;
        border-radius: 8px;
        text-align: center;
        color: var(--heading);
        cursor: pointer;
        box-shadow: 0 10px 30px rgba(0, 37, 134, 0.08);
    }

    .hero__cta-title {
        margin: 0;
        font-size: 20px;
        font-weight: 800;
        line-height: 1.5;
    }

    .hero__cta-text {
        margin: 8px 0 0;
        font-size: 16px;
        line-height: 1.7;
    }

    /* 初期状態では閉じる */
    .form-card {
        display: none;
        margin-top: 16px;
        padding: 20px 16px 0;
        border-radius: 8px;
    }

    /* 開いたら表示 */
    .form-card.is-open {
        display: block;
        position: fixed;
        top: 64px;
        right: 12px;
        bottom: 12px;
        left: 12px;
        z-index: 260;
        margin: 0;
        width: auto;
        max-width: none;
        overflow: auto;
        padding: 16px 12px 0;
        border-radius: 12px;
        box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22), 0 0 0 9999px rgba(0, 0, 0, 0.45);
    }

    .hero__form-close {
        display: block;
        position: absolute;
        top: 8px;
        right: 8px;
        width: 36px;
        height: 36px;
        border: 0;
        border-radius: 999px;
        background: rgba(0, 37, 134, 0.1);
        color: var(--primary);
        font-size: 24px;
        line-height: 1;
        cursor: pointer;
        z-index: 1;
    }

    body.hero-form-open {
        overflow: hidden;
    }

    .first-view__form-title {
        margin: 0;
        font-size: 22px;
        text-align: center;
    }

    .first-view__form--caption {
        margin: 12px 0 16px;
        font-size: 14px;
        line-height: 1.8;
        text-align: center;
    }

    .first-view__form-embed {
        height: 520px;
    }

    .first-view__form iframe {
        width: 112%;
        height: 580px;
        transform: scale(0.89);
        transform-origin: top left;
    }
}


/* =========================================================
    Problemセクション
========================================================= */
.problem {
    position: relative;
    overflow: hidden;
    padding-bottom: 0;
}

.problem .section-head {
    margin-bottom: 100px;
}

.problem__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
}

.problem-card {
    display: flex;
    flex-direction: column;
}

.problem-card__label {
    position: relative;
    width: fit-content;
    margin: 0 auto;
    padding: 0 22px;
    color: var(--heading);
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
}

.problem-card__label::before,
.problem-card__label::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 40px;
    height: 2px;
    background: var(--heading);
}

.problem-card__label::before {
    left: -10px;
    transform: translateY(-50%) rotate(-60deg);
}

.problem-card__label::after {
    right: -10px;
    transform: translateY(-50%) rotate(-60deg);
}

.problem-card__title {
    min-height: 84px;
    margin-top: 28px;
    color: var(--heading);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
}

.problem-card__image img {
    display: block;
    width: 100%;
    height: auto;
}

.problem-card__text {
    margin-top: 20px;
    line-height: 1.75;
}

/* 下帯 */
.problem__bottom {
    position: relative;
    margin-top: 72px;
    padding: 154px 0 60px;
    background: linear-gradient(90deg, #002586 0%, #2758e5 100%);
}

.problem__bottom::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 120px;
    background: #fff;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.problem__bottom-text {
    color: #fff;
    text-align: center;
}

.problem__bottom-text span {
    color: var(--accent);
}

.tight {
    display: inline-block;
    margin-right: -3px;
}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 1200px) {

    .problem__list {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 24px;
    }

    .problem-card__label {
        font-size: 24px;
    }

    .problem-card__image img {
        max-width: 82%;
        margin: 0 auto;
    }

    .problem-card__image {
        margin-top: 14px;
    }

    .problem-card__text {
        max-width: 82%;
        margin: 18px auto 0;
    }

    .problem-card__title {
        min-height: auto;
        font-size: 18px;
    }
}

/* SP */
@media (max-width: 767px) {
    .problem {
        padding: 60px 0 0;
    }

    .problem .section-head {
        margin-bottom: 60px;
    }

    .problem__list {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .problem-card__label {
        font-size: 24px;
        padding: 0 26px;
    }

    .problem-card__label::before,
    .problem-card__label::after {
        width: 34px;
    }

    .problem-card__title {
        margin-top: 20px;
        min-height: auto;
        font-size: 20px;
    }

    .problem-card__image {
        margin-top: 18px;
    }

    .problem-card__image img {
        max-width: 90%;
        margin: 0 auto;
    }

    .problem-card__text {
        max-width: 90%;
        margin: 16px auto 0;
        font-size: 15px;
        line-height: 1.6;
    }

    .problem__bottom {
        margin-top: 56px;
        padding: 96px 0 44px;
    }

    .problem__bottom::before {
        height: 72px;
    }

}

/* =========================================================
    Aboutセクション
========================================================= */
.about {
    position: relative;
    overflow: hidden;
    background: #f2f2f2;
}

/* 中身は前面へ */
.about .container {
    position: relative;
    z-index: 2;
    padding-bottom: 80px;
}

.about__diagram img {
    display: block;
    margin: 0 auto;
    max-width: 1000px;
    width: 100%;
    height: auto;
}

/* 透かし文字 */
.about__bg-text {
    position: absolute;
    left: 50%;
    bottom: -0.06em;
    transform: translateX(-50%);
    white-space: nowrap;

    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: clamp(58px, 12vw, 140px);
    letter-spacing: -0.02em;
    line-height: 0.82;

    color: rgba(255, 255, 255, 0.52);
    pointer-events: none;
    z-index: 1;

}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 1200px) {

    .about__diagram img {
        max-width: 100%;
    }
}

/* SP */
@media (max-width: 767px) {
    .about {
        padding-bottom: 36px;
    }

    .about .container {
        padding-bottom: 56px;
    }

}

/* =========================================================
    Features セクション
========================================================= */

.features__lead {
    text-align: center;
}

.features__list {
    margin-top: 72px;
}

.feature-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
    padding: 56px 0;
    border-top: 1px solid #d9d9d9;
}

.feature-item:first-child {
    border-top: none;
    padding-top: 0;
}

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

.feature-item--reverse .feature-item__content {
    order: 2;
}

.feature-item--reverse .feature-item__image {
    order: 1;
}

.feature-item__content {
    width: 100%;
    max-width: 460px;
    justify-self: center;
}

.feature-item__heading {
    display: flex;
    align-items: baseline;
    gap: 18px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.feature-item__point {
    position: relative;
    display: inline-block;
    margin: 0;
    line-height: 1;
    color: var(--primary);
    font-weight: 800;
}

.feature-item__point::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -28px;
    width: 100%;
    height: 46px;
    background: url("../img/yellow-underline.png") no-repeat center / contain;

    pointer-events: none;
}

.feature-item__point-text {
    font-size: 30px;
    letter-spacing: 0.02em;
}

.feature-item__point-num {
    font-size: 56px;
    margin-left: 2px;
}

.feature-item__title {
    margin: 0;
    color: var(--primary);
    line-height: 1.4;
}

.feature-item__catch {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.7;
    color: var(--heading);
}

.feature-item__text {
    margin: 0;
    line-height: 1.9;
}

.feature-item__image {
    display: flex;
    justify-content: center;
}

.feature-item__image img {
    display: block;
    width: 100%;
    max-width: 500px;
    margin-inline: auto;
    height: auto;
    border: 1px solid #d8d8d8;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 960px) {

    .feature-item,
    .feature-item--reverse {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 48px 0;
    }

    .feature-item__content,
    .feature-item--reverse .feature-item__content {
        order: 1;
        max-width: 100%;
    }

    .feature-item__image,
    .feature-item--reverse .feature-item__image {
        order: 2;
    }

    .feature-item__title {
        font-size: 24px;
    }

    .feature-item__catch {
        font-size: 20px;
    }
}

/* SP */
@media (max-width: 767px) {

    .features__list {
        margin-top: 48px;
    }

    .feature-item {
        gap: 24px;
        padding: 40px 0;
    }

    .feature-item__heading {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 20px;
    }

    .feature-item__point::after {
        width: 100%;
        height: 40px;
        bottom: -22px;
    }

    .feature-item__point-num {
        font-family: "Montserrat", sans-serif;
        font-size: 42px;
    }

    .feature-item__catch {
        margin-bottom: 4px;
        font-size: 17px;
        line-height: 1.7;
    }

    .feature-item__text {
        font-size: 15px;
        line-height: 1.85;
    }
}

/* =========================================================
    CTAセクション
========================================================= */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg,
            #0b2c8f 0%,
            #2f5bd3 100%);
    color: #fff;
}

.cta__inner {
    text-align: center;
}

.cta__title {
    margin: 0 0 20px;
    letter-spacing: 0.08em;
    color: #fff;
}

.cta__lead {
    margin: 0 0 40px;
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}

.cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    position: relative;
    overflow: hidden;
    isolation: isolate;

    min-width: 640px;
    height: 70px;

    background: var(--accent);
    color: var(--primary);

    font-size: 22px;
    font-weight: 700;

    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);

    transition: 0.3s;
}

.cta__btn::before {
    content: "";
    position: absolute;
    top: -30%;
    left: -28%;
    width: 22%;
    height: 160%;
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.62) 48%,
            rgba(255, 255, 255, 0) 100%);
    transform: skewX(-22deg) translateX(-220%);
    animation: ctaShine 2.8s ease-in-out infinite;
    pointer-events: none;
}

.cta__btn:hover {
    transform: translateY(-3px);
    background: var(--accent-hover);
}

@keyframes ctaShine {
    0% {
        transform: skewX(-22deg) translateX(-220%);
    }

    55% {
        transform: skewX(-22deg) translateX(640%);
    }

    100% {
        transform: skewX(-22deg) translateX(640%);
    }
}

.cta__btn-icon {
    display: inline-block;
    width: 30px;
    height: 30px;

    background: url("../img/fe_document.svg") no-repeat center / contain;
}

/* ===== responsive ===== */
/* SP */
@media (max-width: 767px) {
    .cta {
        padding: 72px 0;
    }

    .cta__lead {
        font-size: 15px;
        margin-bottom: 32px;
    }

    .cta__btn {
        width: 100%;
        min-width: auto;
        font-size: 18px;
        height: 60px;
    }

    .cta__btn-icon {
        width: 34px;
        height: 34px;
    }
}

/* =========================================================
    Cases セクション
========================================================= */
.cases {
    position: relative;
    overflow: hidden;
    background: url("../img/cases_bg.webp") no-repeat center center / cover;
}

.cases::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.64);
    z-index: 1;
}

.cases .container {
    position: relative;
    z-index: 2;
}

.cases__lead {
    margin-top: 20px;
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
}

.cases__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-top: 72px;
}

.case-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 24px rgba(0, 37, 134, 0.12);
}

.case-card__image img {
    display: block;
    width: 100%;
    aspect-ratio: 364 / 218;
    object-fit: cover;
}

.case-card__body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 24px 24px 22px;
}

.case-card__company {
    margin: 0;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--primary);
    color: var(--primary);
    font-size: 25px;
    font-weight: 800;
    line-height: 1.35;
    text-align: center;
}

.case-card__title {
    margin: 18px 0 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1.45;
    text-align: center;
}

.case-card__points {
    margin: 18px 0 0;
    padding-left: 0;
    list-style: none;
    line-height: 1.9;
}

.case-card__points li {
    position: relative;
    padding-left: 1em;
}

.case-card__points li::before {
    content: "・";
    position: absolute;
    left: 0;
    top: 0;
}

.case-card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: auto auto 0;
    margin-top: 24px;
    min-width: 208px;
    height: 56px;
    padding: 0 28px;
    background: var(--primary);
    color: #fff;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
}

.case-card__btn:hover {
    transform: translateY(-2px);
    opacity: 0.92;
}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 1100px) {
    .cases__list {
        gap: 28px;
    }

    .case-card__company {
        font-size: 22px;
    }

    .case-card__title {
        font-size: 22px;
    }
}

@media (max-width: 960px) {
    .cases__list {
        grid-template-columns: 1fr;
        max-width: 560px;
        margin: 56px auto 0;
    }
}

/* SP */
@media (max-width: 767px) {
    .cases__lead {
        margin-top: 16px;
    }

    .cases__list {
        margin-top: 40px;
        gap: 24px;
    }

    .case-card__body {
        padding: 20px 18px 20px;
    }

    .case-card__company {
        padding-bottom: 14px;
        font-size: 20px;
    }

    .case-card__title {
        margin-top: 14px;
        font-size: 20px;
    }

    .case-card__points {
        margin-top: 14px;
        font-size: 15px;
        line-height: 1.8;
    }

    .case-card__btn {
        width: 100%;
        min-width: auto;
        height: 52px;
        margin-top: 20px;
        font-size: 15px;
    }
}

/* =========================================================
    Reason
========================================================= */

.reason__lead {
    margin-top: 20px;
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
    color: var(--text-main);
}

.reason__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 960px;
    margin: 72px auto 0;
}

.reason-card {
    border: 1px solid #8f8f8f;
    border-radius: 8px;
    overflow: hidden;
    background: #dfe4ed;
}

.reason-card__head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 96px;
    background: var(--primary);
    color: #fff;
}

.reason-card__head-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
}

.reason-card__head-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.reason-card__head-title {
    margin: 0;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    line-height: 1.45;
    text-align: center;
}

.reason-card__head-title span {
    color: var(--accent);
}

.reason-card__body {
    padding: 22px 24px 26px;
}

.reason-card__lead {
    margin: 0;
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.8;
    text-align: center;
}

.reason-card__panel {
    margin-top: 22px;
    padding: 22px 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

/* 左：セキュリティ一覧 */
.reason-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.reason-list__item {
    position: relative;
    padding-left: 28px;
}

.reason-list__item::before {
    content: "";
    position: absolute;
    top: 0.2em;
    left: 0;
    width: 24px;
    height: 24px;
    background: url("../img/check-fill.svg") no-repeat center / contain;
}

.reason-list__title {
    margin: 0;
    color: var(--primary);
    font-size: 18px;
    font-weight: 800;
    line-height: 1.5;
}

.reason-list__text {
    margin: 6px 0 0;
}

.support-flow {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.support-flow__item {
    display: grid;
    grid-template-columns: 84px 1fr;
    align-items: center;
    gap: 18px;
}

.support-flow__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto;
    border-radius: 50%;
    background: #f4e8a8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-flow__icon img {
    display: block;
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.support-flow__title {
    margin: 0;
    color: var(--primary);
    font-size: 18px;
    font-weight: 800;
    line-height: 1.5;
}

.support-flow__text {
    margin: 4px 0 0;
    line-height: 1.7;
}

.support-flow__arrow {
    width: 0;
    height: 0;
    margin: 0 0 0 32px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 16px solid #333;
}

.reason-card__note {
    margin-top: 26px;
    padding: 22px 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
    color: var(--primary);
    font-size: 17px;
    font-weight: 800;
    line-height: 1.7;
    text-align: center;
}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 1100px) {
    .reason__grid {
        gap: 28px;
    }

    .reason-card__body {
        padding: 24px 24px 28px;
    }

    .reason-card__head-title {
        font-size: 20px;
    }
}

@media (max-width: 960px) {
    .reason__grid {
        grid-template-columns: 1fr;
        margin-top: 56px;
    }
}

/* SP */
@media (max-width: 767px) {
    .reason__lead {
        margin-top: 16px;
        font-size: 16px;
    }

    .reason__grid {
        margin-top: 40px;
        gap: 24px;
    }

    .reason-card__head {
        min-height: auto;
        padding: 20px 18px;
        gap: 14px;
        align-items: center;
        justify-content: center;
    }

    .reason-card__head-icon {
        width: 42px;
        height: 42px;
    }

    .reason-card__head-title {
        font-size: 18px;
        line-height: 1.5;
    }

    .reason-card__body {
        padding: 20px 16px 20px;
    }

    .reason-card__lead {
        font-size: 16px;
        letter-spacing: -0.04em;
    }

    .reason-card__panel {
        margin-top: 20px;
        padding: 20px 16px;
    }

    .reason-list {
        gap: 18px;
    }

    .reason-list__title,
    .support-flow__title {
        font-size: 16px;
    }

    .reason-list__text,
    .support-flow__text {
        font-size: 14px;
        line-height: 1.7;
    }

    .support-flow__item {
        grid-template-columns: 64px 1fr;
        gap: 14px;
    }

    .support-flow__icon {
        width: 56px;
        height: 56px;
    }

    .support-flow__icon img {
        width: 30px;
        height: 30px;
    }

    .support-flow__arrow {
        margin-left: 24px;
        border-left-width: 8px;
        border-right-width: 8px;
        border-top-width: 12px;
    }

    .reason-card__note {
        margin-top: 18px;
        padding: 18px 6px;
        font-size: 15px;
    }
}

/* =========================================================
    Footer
========================================================= */
.footer {
    position: relative;
    padding: 80px 0 40px;
    background: #F2F6F9;
}

.footer__top {
    margin-bottom: 48px;
}

.footer__logo {
    transform: translateX(-16px);
}

.footer__logo img {
    display: block;
    width: 250px;
    height: auto;
}

/* 2カラム */
.footer__grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-top: 40px;
}

.footer__company {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: -0.03em;
    ;
}

.footer__address {
    margin: 0 0 12px;
    font-size: 15px;
    line-height: 1.8;
}

.footer__map {
    font-size: 14px;
    text-decoration: underline;
    color: #555;
}

.footer__text p {
    margin: 0 0 18px;
    font-size: 15px;
    line-height: 1.9;
    color: #555;
}

.footer__division {
    font-weight: 700;
}

/* 下段 */
.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
}

.footer__links {
    font-size: 14px;
}

.footer__links a {
    color: #555;
}

.footer__copy {
    font-size: 13px;
    color: #777;
    margin: 0;
}

/* pagetop */
.footer__pagetop {
    position: absolute;
    top: 80px;
    right: 40px;

    width: 45px;
    height: 45px;

    border-radius: 50%;
    border: 1px solid #333;

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

    text-decoration: none;
    color: #333;
    font-size: 18px;

    background: #fff;
    transition: 0.3s;
}

.footer__pagetop:hover {
    transform: translateY(-3px);
}

/* ===== responsive ===== */
/* Tablet */
@media (max-width: 960px) {
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__text p {
        font-size: 14px;
    }
}

/* SP */
@media (max-width: 767px) {
    .footer {
        padding: 60px 0 30px;
    }

    .footer__logo img {
        width: 160px;
    }

    .footer__company {
        font-size: 16px;
    }

    .footer__address {
        font-size: 14px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .footer__copy {
        font-size: 12px;
    }

    .footer__pagetop {
        top: 60px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}