@charset "utf-8";

/* ========================================
               1. Variables & Reset
               ======================================== */
:root {
    --clr-bg: #ffffff;
    --clr-surface-alt: #f1f5f9;
    --clr-surface-primary-light: #effcf9;
    --clr-text: #333333;

    --clr-primary: #169986;
    --clr-sub-01: #D34129;
    --clr-sub-02: #7B960B;
    --clr-sub-03: #CC910D;
    --clr-sub-04: #104570;
    --clr-sub-05: #f8e0dc;
    --clr-sub-06: #3b5da8;
    --clr-sub-07: #0064FF;
    --clr-text-heading: var(--clr-text);
    --clr-text-muted: #333333;

    --clr-primary-light: rgba(22, 153, 134, 0.1);
    --clr-accent: var(--clr-sub-01);
    --clr-accent-hover: #b83621;

    --clr-surface: #ffffff;
    --clr-border: #e2e8f0;

    --font-main: "M PLUS 1", Meiryo, "メイリオ", sans-serif;
    --fs-xs: clamp(0.875rem, 0.9vw, 1rem);
    --fs-sm: clamp(1rem, 1vw, 1.125rem);
    --fs-base: 16px;
    --fs-md: clamp(1.25rem, 1.5vw, 1.5rem);
    --fs-lg: clamp(1.5rem, 2vw, 2.25rem);
    --fs-xl: clamp(2rem, 3vw, 2.75rem);
    --fs-xxl: clamp(2.25rem, 4vw, 4.5rem);
    --fs-xxxl: clamp(2rem, 4vw, 3.5rem);

    --sp-sm: clamp(1rem, 2vw, 1.5rem);
    --sp-md: clamp(2rem, 4vw, 3rem);
    --sp-lg: clamp(4rem, 8vw, 6rem);
    --sp-xl: clamp(6rem, 12vw, 8rem);
    --sp-xxl: clamp(8rem, 16vw, 12rem);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 25px -3px rgba(22, 153, 134, 0.1), 0 4px 6px -2px rgba(22, 153, 134, 0.05);
    --shadow-xl: 0 20px 40px -5px rgba(22, 153, 134, 0.15), 0 10px 20px -5px rgba(22, 153, 134, 0.1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

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

img {
    max-width: 100%;
    display: block;
    object-fit: cover;
}

button,
input,
textarea {
    font: inherit;
    color: inherit;
    border: none;
    background: none;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* スマホ（767px以下）でのみ改行させる */
.sp {
    display: block;
}

@media (min-width: 768px) {
    .sp {
        display: none;
    }
}

/* PC（768px以上）でのみ改行させる */
.pc {
    display: none;
}

@media (min-width: 768px) {
    .pc {
        display: block;
    }
}

/* ========================================
               2. Base Layout & Utilities
               ======================================== */
.section {
    padding: var(--sp-xl) 0;
    background-image: linear-gradient(rgba(51, 65, 85, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(51, 65, 85, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    background-position: center top;
}

.section--bg-alt {
    background-color: var(--clr-surface-alt);
    background-image: radial-gradient(#cbd5e1 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    background-position: center top;
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

.section--bg-primary-light {
    background-color: var(--clr-surface-primary-light);
    background-image: none;
}

.section--dark {
    background-color: var(--clr-sub-04);
    color: #ffffff;
}

.section--dark .section__title {
    color: #ffffff;
}

.section--dark .section__title::after {
    background: var(--clr-accent);
}

.section--dark .section__desc {
    color: #e2e8f0;
}

.section--dark .contact__cta .cta__lead {
    color: #ffffff;
    opacity: 0.9;
}

.section__inner,
.header__inner,
.hero__inner,
.footer__inner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--sp-sm);
}

.header__inner {
    max-width: 1440px;
}


.section__header {
    margin-bottom: var(--sp-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section__title {
    font-size: var(--fs-xl);
    font-weight: 900;
    color: var(--clr-text-heading);
    line-height: 1.4;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1.25rem;
    display: inline-block;
    text-align: center;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 4px;
    background: var(--clr-primary);
    border-radius: 999px;
}

.section__desc {
    font-size: var(--fs-base);
    color: var(--clr-text-muted);
    max-width: 720px;
    margin: 0 auto;
}

.text-primary {
    color: var(--clr-primary);
}

.text-primary-02 {
    color: var(--clr-sub-07);
}

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

.marker {
    background: linear-gradient(transparent 60%, var(--clr-sub-05) 60%);
    padding: 0 0.2em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 700;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.btn--header {
    background: var(--clr-accent);
    border: 1px solid var(--clr-accent);
    padding: 0.5rem 1.25rem;
    font-size: var(--fs-sm);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(211, 65, 41, 0.39);
}

.btn--header:hover {
    background: var(--clr-accent-hover);
    border-color: var(--clr-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 65, 41, 0.23);
}

.btn--primary {
    background: var(--clr-accent);
    color: #ffffff;
    padding: 1.25rem 3rem 1.25rem 2.5rem;
    flex-direction: column;
    box-shadow: 0 4px 14px 0 rgba(211, 65, 41, 0.39);
    position: relative;
}

.btn--primary::after {
    content: '';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 0 8px 12px;
    border-color: transparent transparent transparent #ffffff;
    transition: transform 0.3s ease;
}

.btn--primary:hover {
    background: var(--clr-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 65, 41, 0.23);
}

.btn--primary:hover::after {
    transform: translateY(-50%) translateX(4px);
}

/* 下向き矢印（PCのフォーム誘導用） */
.btn--arrow-down::after {
    border-width: 10px 7px 0 7px;
    border-color: #ffffff transparent transparent transparent;
}

.btn--arrow-down:hover::after {
    /* 右ではなく下へ動かす */
    transform: translateY(-50%) translateY(4px);
}

/* 電話専用ボタン（モバイル用） */
.btn--tel {
    background: var(--clr-primary);
    color: #ffffff;
    padding: 1.25rem 2.5rem;
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px 0 rgba(22, 153, 134, 0.39);
    position: relative;
}

.btn--tel:hover {
    background: #128070;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 153, 134, 0.23);
}

.btn__icon-space {
    width: 36px;
    height: 36px;
    margin-right: 1rem;
    /* background-color: rgba(255, 255, 255, 0.15);
    border: 1px dashed rgba(255, 255, 255, 0.6);
    border-radius: 6px; */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.btn__icon-space img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.btn__text-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.btn--large {
    width: 100%;
    max-width: 420px;
}

.btn__text {
    font-size: var(--fs-sm);
    font-weight: 500;
    margin-bottom: 0.25rem;
    opacity: 0.9;
}

.btn__sub {
    font-size: var(--fs-lg);
    font-weight: 900;
    letter-spacing: 0.05em;
}

.cta {
    margin-top: var(--sp-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta__lead {
    font-size: var(--fs-sm);
    color: var(--clr-accent);
    font-weight: 700;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .cta__lead {
        white-space: nowrap;
    }
}

.cta--with-images {
    width: 100%;
}

.cta--with-images .cta__lead {
    margin-bottom: 0.5rem;
}

.cta__body {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
}

.cta__image {
    display: none;
    width: clamp(120px, 18vw, 240px);
    height: clamp(120px, 18vw, 240px);
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .cta__image {
        display: block;
    }

    .cta__body {
        gap: 2.5rem;
    }
}

.cta__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
}

.cta__button-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.cta__button-wrapper .btn--large {
    width: 100%;
    max-width: 420px;
}

/* CTA Responsive Display */
.cta__action-pc {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

@media (min-width: 768px) {
    .cta__action-pc {
        display: flex;
    }
}

.cta__action-sp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    justify-content: center;
    width: 100%;
}

@media (min-width: 768px) {
    .cta__action-sp {
        display: none;
    }
}

.cta__tel-text {
    font-size: var(--fs-sm);
    color: var(--clr-text-heading);
    margin-top: 1rem;
    font-weight: 700;
}

.cta__tel-num {
    font-size: var(--fs-lg);
    font-weight: 900;
    color: var(--clr-accent);
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
}

.section--dark .cta__tel-text,
.section--dark .cta__tel-num {
    color: #ffffff;
}

.annotation__text {
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* ========================================
               3. Header
               ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: .5rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--clr-border);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

/* ========================================
   Header Logo (画像ロゴ用)
   ======================================== */
.header__logo {
    flex-shrink: 0;
}

.header__logo img {
    /* モバイル：150px以上の幅 */
    width: clamp(150px, 20vw, 180px);
    min-width: 150px;
    height: auto;
    display: block;
}

/* PC用表示 (ヘッダーナビが出現する1024px〜) */
@media (min-width: 1024px) {
    .header__logo {
        /* PC：左に70pxの余白 */
        margin-left: 70px;
    }

    .header__logo img {
        /* PC：最低200px幅 */
        width: clamp(200px, 15vw, 240px);
        min-width: 200px;
    }
}

.header__nav {
    display: none;
}

@media (min-width: 1024px) {
    .header__nav {
        display: block;
        flex-grow: 1;
    }

    .header__nav-list {
        display: flex;
        justify-content: center;
        gap: 2rem;
    }

    .header__nav-link {
        font-size: var(--fs-sm);
        font-weight: 700;
        color: var(--clr-text-muted);
        transition: color 0.2s ease;
        position: relative;
        padding: 0.5rem 0;
    }

    .header__nav-link:hover {
        color: var(--clr-primary);
    }

    .header__nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--clr-primary);
        transform: scaleX(0);
        transform-origin: right;
        transition: transform 0.3s ease;
    }

    .header__nav-link:hover::after {
        transform: scaleX(1);
        transform-origin: left;
    }
}

.header__contact {
    flex-shrink: 0;
}

/* ========================================
   Header Contact Actions (PC / Mobile切り替え)
   ======================================== */
/* --- デフォルト（スマホ用表示） --- */
.header__action-pc {
    display: none;
}

.header__action-sp {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header__action-sp .btn__text {
    font-size: var(--fs-xs);
}


/* --- PC用表示 (1024px以上) --- */
@media (min-width: 1024px) {
    .header__action-pc {
        display: flex;
        align-items: center;
        gap: 1.25rem;
    }

    /* PC幅になったらスマホ用のアクションボタンを非表示にする */
    .header__action-sp {
        display: none;
    }
}

/* --- PC用 電話番号テキストの装飾 --- */
.header__tel {
    text-align: center;
}

.header__tel-text {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--clr-text-heading);
}

.header__tel-num {
    font-size: var(--fs-md);
    font-weight: 900;
    color: var(--clr-accent);
    letter-spacing: 0.05em;
}

/* --- スマホ用 電話ボタンの装飾 --- */
.btn--header-tel {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    box-shadow: 0 4px 14px 0 rgba(22, 153, 134, 0.39);
}

.btn--header-tel:hover {
    background: #128070;
    border-color: #128070;
    box-shadow: 0 6px 20px rgba(22, 153, 134, 0.23);
}

/* 画面の狭いスマホ向けにボタンを少しコンパクトに調整 */
@media (max-width: 374px) {
    .header__action-sp .btn--header {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    .header__action-sp {
        gap: 0.25rem;
    }
}

/* ========================================
               4. Hero Section
               ======================================== */
.hero {
    position: relative;
    min-height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 140px;
    padding-bottom: 80px;
    overflow: hidden;
    background-color: var(--clr-surface);
    background-image: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/mv_img02.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    /*画像の薄さを調整*/
    z-index: 0;
    pointer-events: none;
}

/* PCサイズでは背景画像を消す */
@media (min-width: 1024px) {
    .hero::before {
        display: none;
    }
}

.hero__bg-text {
    position: absolute;
    top: 15%;
    left: -2%;
    font-size: clamp(6rem, 15vw, 18rem);
    font-weight: 900;
    color: rgba(22, 153, 134, 0.03);
    line-height: 0.8;
    pointer-events: none;
    z-index: 0;
    white-space: nowrap;
    letter-spacing: -0.05em;
}

.hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--sp-sm);
}

.hero__content {
    position: relative;
    z-index: 10;
    width: 100%;
    background: transparent;
    padding: 0;
}

@media (min-width: 1024px) {
    .hero__content {
        width: 50%;
        padding-right: 2rem;
    }
}

.hero__title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.hero__title-sub {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--clr-primary);
    letter-spacing: 0.1em;
}

.hero__title-main {
    font-size: var(--fs-xxxl);
    font-weight: 900;
    color: var(--clr-text-heading);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero__title-last-line {
    position: relative;
    display: inline-block;
    padding-right: calc(clamp(60px, 8vw, 100px) + 1.5rem);
}

.hero__title-icon-inline {
    position: absolute;
    right: 0;
    bottom: -35%;
    width: clamp(60px, 8vw, 100px);
}

.hero__title-icon-inline img {
    width: 100%;
    height: auto;
    display: block;
}

.hero__desc {
    font-size: var(--fs-base);
    color: var(--clr-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.hero__features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: var(--clr-surface-alt);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--clr-primary);
}

.hero__feature-item {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--clr-text-heading);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero__feature-item::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--clr-primary);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    flex-shrink: 0;
}

.hero__feature-item small {
    font-weight: 400;
    color: var(--clr-text-muted);
    font-size: 0.85em;
}

.hero__cta {
    align-items: flex-start;
    margin-top: 0;
    width: 100%;
}

.hero__visual {
    display: none;
}

@media (min-width: 1024px) {
    .hero__visual {
        display: block;
        position: absolute;
        top: 0;
        right: 0;
        width: 55vw;
        height: 100%;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        clip-path: polygon(0 0, 100% 0, 100% 100%, 20% 100%);
    }
}

.hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
               5. Trouble (Grid)
               ======================================== */
.trouble__header {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.trouble__header-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* スマホ時は中央揃え */
}

.trouble__header-image {
    display: none;
}

@media (min-width: 1024px) {
    .trouble__header-image {
        display: block;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
}



/* 緑枠の確認用ダミースタイル（後で消してください） */
.dummy-image-space {
    width: 100%;
    aspect-ratio: 3 / 4;
    /* 縦長の比率 */
    border: 4px solid #00FF00;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 255, 0, 0.05);
}

@media (min-width: 1024px) {
    .trouble__header {
        flex-direction: row;
        /* PC画面で横並びに */
        align-items: center;
        /* 縦方向の中央揃え */
        justify-content: space-between;
        text-align: left;
        /* PC時はテキストを左寄せにする場合 */
    }

    .trouble__header-text {
        flex: 1;
        /* 余ったスペースをテキストエリアが埋める */
        align-items: flex-start;
        /* タイトルの下線などを左寄せに */
        padding-right: 3rem;
        /* 画像との余白 */
    }

    .trouble__header-image {
        width: 280px;
        /* 画像スペースの幅（必要に応じて調整） */
        flex-shrink: 0;
        margin: 0;
    }

}

.trouble__grid {
    counter-reset: trouble-counter;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .5rem;
}

@media (min-width: 1024px) {
    .trouble__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.trouble__card {
    --card-theme: var(--clr-primary);
    --card-light: var(--clr-primary-light);
    position: relative;
    background: var(--clr-surface);
    padding: 3rem 1rem 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-light);
    box-shadow: var(--shadow-lg);
    text-align: center;
    overflow: hidden;
    counter-increment: trouble-counter;
    z-index: 1;
}

.trouble__card:nth-child(1) {
    --card-theme: var(--clr-primary);
    --card-light: rgba(22, 153, 134, 0.1);
}

.trouble__card:nth-child(2) {
    --card-theme: var(--clr-sub-02);
    --card-light: rgba(123, 150, 11, 0.1);
}

.trouble__card:nth-child(3) {
    --card-theme: var(--clr-sub-03);
    --card-light: rgba(204, 145, 13, 0.1);
}

.trouble__card:nth-child(4) {
    --card-theme: var(--clr-sub-01);
    --card-light: rgba(211, 65, 41, 0.1);
}

.trouble__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--card-theme);
}

.trouble__card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, var(--card-light) 0%, transparent 100%);
    opacity: 0.6;
    z-index: -1;
}

.trouble__card-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    background: var(--card-theme);
    color: var(--clr-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-md);
    font-weight: 900;
    border: 2px solid var(--clr-surface);
    box-shadow: 0 0 0 4px var(--card-light);
}

.trouble__card-icon::before {
    content: '0' counter(trouble-counter);
}

.trouble__card-title {
    font-size: var(--fs-lg);
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--clr-text-heading);
}

.trouble__card-desc {
    font-size: var(--fs-base);
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* ========================================
               6. Features
               ======================================== */
.section.features {
    padding-top: 0;
    padding-bottom: 0;
}

.features .section__inner {
    background-color: #ffffff;
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-lg);
    max-width: 1080px;
    margin: 0 auto;
}

.feature-row {
    display: grid;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 768px) {
    .feature-row {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .feature-row:nth-child(even) .feature-row__image {
        order: 2;
    }

    .feature-row:nth-child(even) .feature-row__content {
        order: 1;
    }
}

.feature-row__image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--clr-border);
}

.feature-row__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--clr-primary);
    opacity: 0.1;
    pointer-events: none;
}

.feature-row__image img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.feature-row__content {
    display: flex;
    flex-direction: column;
}

.feature-row__title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-row__number {
    font-size: calc(var(--fs-xxl) * 1.2);
    font-weight: 900;
    line-height: 0.8;
    letter-spacing: -0.05em;
}

.feature-row:nth-child(1) .feature-row__number {
    color: var(--clr-primary);
}

.feature-row:nth-child(2) .feature-row__number {
    color: var(--clr-sub-02);
}

.feature-row:nth-child(3) .feature-row__number {
    color: var(--clr-sub-03);
}

.feature-row:nth-child(4) .feature-row__number {
    color: var(--clr-sub-01);
}

.feature-row__text {
    font-size: var(--fs-xl);
    font-weight: 900;
    color: var(--clr-text-heading);
    letter-spacing: 0.05em;
    line-height: 1;
}

.feature-row__subtitle {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--clr-text-heading);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--clr-border);
}

.feature-row__desc {
    font-size: var(--fs-base);
    color: var(--clr-text-muted);
    line-height: 1.7;
}

/* ========================================
               7. Cases & Domain Grid (Updated)
               ======================================== */
.cases__sub-title {
    font-size: var(--fs-lg);
    font-weight: 900;
    color: var(--clr-text-heading);
    margin-bottom: 2rem;
    padding: 1rem 1.5rem;
    background: var(--clr-surface-alt);
    border-left: 6px solid var(--clr-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    box-shadow: var(--shadow-sm);
}

.domain-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: var(--sp-lg);
}

@media (min-width: 768px) {
    .domain-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

.domain-row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2.5rem 2rem;
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.domain-row:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.domain-row__header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.domain-row__icon {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--clr-surface-alt);
}

.domain-row__icon img {
    width: 30px;
    height: auto;
}

/* 各行のアイコンブランドカラー適用 */
.domain-row:nth-child(1) .domain-row__icon {
    color: var(--clr-primary);
    background: rgba(22, 153, 134, 0.1);
}

.domain-row:nth-child(2) .domain-row__icon {
    color: var(--clr-sub-02);
    background: rgba(123, 150, 11, 0.1);
}

.domain-row:nth-child(3) .domain-row__icon {
    color: var(--clr-sub-03);
    background: rgba(204, 145, 13, 0.1);
}

.domain-row:nth-child(4) .domain-row__icon {
    color: var(--clr-sub-01);
    background: rgba(211, 65, 41, 0.1);
}

.domain-row__title {
    font-size: var(--fs-base);
    font-weight: 900;
    color: var(--clr-text-heading);
    letter-spacing: 0.05em;
}

.domain-row__content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex-grow: 1;
}

.domain-row__desc {
    font-size: var(--fs-sm);
    color: var(--clr-text);
    line-height: 1.6;
}

.domain-row__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.domain-row__tag {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--clr-surface);
    background: var(--clr-sub-06);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--clr-border);
}

.cases__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    max-width: 860px;
    margin: 0 auto var(--sp-md);
}

.case-card {
    position: relative;
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-primary-light);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--clr-primary);
    z-index: 10;
}

.case-card__header {
    padding: 2.5rem 2rem 1.5rem;
    background: linear-gradient(to bottom, var(--clr-surface-alt), var(--clr-surface));
    text-align: center;
}

.case-card__title {
    font-size: var(--fs-md);
    font-weight: 900;
    color: var(--clr-text-heading);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.case-card__meta {
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.case-card__meta span {
    display: inline-block;
    background: var(--clr-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--clr-border);
}

.case-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--clr-surface-alt);
    border-bottom: 1px dashed var(--clr-border);
    border-top: 1px dashed var(--clr-border);
    overflow: hidden;
}

.case-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-card:hover .case-card__image img {
    transform: scale(1.05);
}

.case-card__body {
    padding: 2.5rem 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    flex-grow: 1;
    position: relative;
}

@media (min-width: 768px) {
    .case-card__body {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

.case-card__block {
    position: relative;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
}

.case-card__block::before {
    content: '';
    position: absolute;
    left: -1px;
    top: -1px;
    bottom: -1px;
    width: 6px;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.case-card__block--issue {
    background: var(--clr-surface-alt);
}

.case-card__block--issue::before {
    background: var(--clr-text-muted);
    opacity: 0.3;
}

.case-card__block--result {
    background: #fbf7f6;
    border-color: var(--clr-primary-light);
}

.case-card__block--result::before {
    background: var(--clr-accent);
}

.case-card__label {
    display: inline-flex;
    align-items: center;
    font-size: var(--fs-xs);
    font-weight: 900;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.case-card__block--issue .case-card__label {
    background: var(--clr-surface);
    color: var(--clr-text-muted);
    border: 1px solid var(--clr-border);
}

.case-card__block--result .case-card__label {
    background: rgba(211, 65, 41, 0.1);
    color: var(--clr-accent);
    border: 1px solid rgba(211, 65, 41, 0.2);
}

.case-card__block p {
    font-size: var(--fs-sm);
    color: var(--clr-text);
    line-height: 1.6;
}

.cases__note {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    text-align: center;
    margin: 0 auto;
    font-weight: bold;
}

/* ========================================
               8. Flow
               ======================================== */
.flow__list {
    counter-reset: flow-counter;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    position: relative;
    padding-left: 3rem;
    max-width: 760px;
    margin: 0 auto;
}

.flow__list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1rem;
    bottom: 1rem;
    width: 4px;
    background: linear-gradient(to bottom, var(--clr-primary) 0%, var(--clr-border) 80%);
    border-radius: 999px;
}

.flow__item {
    position: relative;
    background: var(--clr-surface);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--clr-primary-light);
    counter-increment: flow-counter;
    z-index: 1;
}

.flow__item>* {
    position: relative;
    z-index: 1;
}

.flow__item::before {
    content: '';
    position: absolute;
    left: calc(-3rem + 2px);
    top: 50%;
    transform: translate(-50%, -50%);
    width: 1.25rem;
    height: 1.25rem;
    background: var(--clr-primary);
    border: 4px solid var(--clr-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(22, 153, 134, 0.2);
    z-index: 2;
}

.flow__item::after {
    content: '0' counter(flow-counter);
    position: absolute;
    right: 1.5rem;
    bottom: 0.5rem;
    font-size: 6rem;
    font-weight: 900;
    color: rgba(22, 153, 134, 0.1);
    z-index: 0;
    line-height: 0.8;
    pointer-events: none;
}

.flow__step {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--clr-primary-light);
    color: var(--clr-primary);
    font-weight: 900;
    font-size: var(--fs-xs);
    border-radius: 999px;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.flow__item-title {
    font-size: var(--fs-lg);
    font-weight: 900;
    color: var(--clr-text-heading);
    margin-bottom: 0.5rem;
}

.flow__item-desc {
    font-size: var(--fs-base);
    color: var(--clr-text-muted);
}

/* ========================================
               9. FAQ
               ======================================== */
.accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.accordion__item {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion__item:hover {
    border-color: var(--clr-primary-light);
    box-shadow: var(--shadow-md);
}

details[open].accordion__item {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-md);
}

.accordion__q {
    padding: 1.5rem 2rem;
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--clr-text-heading);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    list-style: none;
    transition: background 0.3s ease;
    position: relative;
}

.accordion__q::-webkit-details-marker {
    display: none;
}

.accordion__q:hover {
    background: var(--clr-surface-alt);
}

details[open] .accordion__q {
    background: var(--clr-surface-alt);
    border-bottom: 1px solid var(--clr-border);
}

.accordion__q::before {
    content: 'Q';
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--clr-surface);
    color: var(--clr-primary);
    border: 2px solid var(--clr-primary-light);
    border-radius: 50%;
    font-size: var(--fs-base);
    font-weight: 900;
}

.accordion__q-text {
    flex-grow: 1;
}

.accordion__icon {
    width: 24px;
    height: 24px;
    position: relative;
    flex-shrink: 0;
    margin-left: 1rem;
}

.accordion__icon::before,
.accordion__icon::after {
    content: '';
    position: absolute;
    background: var(--clr-text-muted);
    transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.accordion__icon::before {
    top: 11px;
    left: 0;
    width: 24px;
    height: 2px;
}

.accordion__icon::after {
    top: 0;
    left: 11px;
    width: 2px;
    height: 24px;
}

details[open] .accordion__icon::before {
    background: var(--clr-primary);
}

details[open] .accordion__icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.accordion__a {
    padding: 2rem;
    display: flex;
    gap: 1rem;
    background: var(--clr-surface);
    animation: faqFadeIn 0.4s ease-out;
}

.accordion__a::before {
    content: 'A';
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--clr-accent);
    color: #fff;
    border-radius: 50%;
    font-size: var(--fs-base);
    font-weight: 900;
    margin-top: 0.1rem;
}

.accordion__a-text {
    font-size: var(--fs-base);
    color: var(--clr-text);
    line-height: 1.8;
}

@keyframes faqFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* ========================================
               10. Contact
               ======================================== */
.contact__form-wrapper {
    background: var(--clr-surface);
    padding: var(--sp-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-lg);
    max-width: 640px;
    margin: 0 auto;
}

.contact__form-title {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--clr-text-heading);
    margin-bottom: 2rem;
    text-align: center;
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--clr-text-heading);
    margin-bottom: 0.5rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 1rem;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    transition: all 0.2s ease;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    background: var(--clr-surface);
    box-shadow: 0 0 0 3px var(--clr-primary-light);
}

.btn--submit {
    width: 100%;
    background: var(--clr-text-heading);
    color: var(--clr-surface);
    padding: 1rem;
    font-size: var(--fs-md);
    font-weight: 700;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn--submit:hover {
    background: var(--clr-primary);
}

/* ========================================
               11. Footer
               ======================================== */
.footer {
    background: #0b2e4a;
    padding: var(--sp-lg) 0 var(--sp-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.footer__info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .footer__info {
        flex-direction: row;
        justify-content: space-around;
        align-items: flex-start;
    }
}

.footer__company {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer__logo {
    font-size: var(--fs-md);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0;
    letter-spacing: 0.05em;
}

.footer__image {
    margin: 0 auto;
    width: 100%;
    max-width: 320px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* ▼ ガタガタしないインデント揃えリスト ▼ */
.footer__list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
}

.footer__list li {
    font-size: var(--fs-sm);
    color: #fff;
    display: flex;
    align-items: flex-start;
    line-height: 1.6;
}

.footer__list strong {
    flex-shrink: 0;
    width: 7.5em;
    color: #fff;
    font-weight: 700;
}

.footer__list span {
    flex-grow: 1;
}

@media (min-width: 768px) {
    .footer__list {
        gap: 0.75rem;
    }
}

.footer__copyright {
    font-size: var(--fs-xs);
    color: #64748b;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

/* ========================================
               12. Animations
               ======================================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

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

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

/* ========================================
               13. Thanks
               ======================================== */
#thanks {
    padding: var(--sp-xxl) 0;
}

#thanks .section__inner {
    margin: 0 auto;
    text-align: center;
}

#thanks .thanks-title {
    font-size: var(--fs-md);
}

#thanks .section__inner p {
    margin-top: 1.5rem;
}

#thanks .cta__action-pc,
#thanks .cta__action-sp {
    margin-top: 3rem;
}