body {
    margin: 0;
    font-family: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
    background-color: #ffffff;
    color: #333333;
    -webkit-font-smoothing: antialiased;
}

/* ===== Section scaffold ===== */
.section {
    padding: 60px 0 56px;
}

.section-gray-background {
    background-color: #f9f9f9 !important;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-container-narrow {
    max-width: 1080px;
}

.section-container-slim {
    max-width: 900px;
}

.section-heading {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 36px;
}

.section-title {
    margin: 10px 0 0;
    color: #1d7c31;
}

.section-subtitle {
    margin: 14px 0 0;
    color: #556b60;
    line-height: 1.9;
    font-size: 16px;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background-color: #20302a;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(16, 26, 20, 0.12) 0%, rgba(16, 26, 20, 0.32) 42%, rgba(13, 22, 17, 0.86) 100%);
}

.hero-content {
    position: relative;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 26px 54px;
    color: #ffffff;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 7px 16px;
    border-radius: 999px;
    background-color: #52b85a;
    font-size: 13px;
    letter-spacing: 2px;
    font-weight: 700;
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
}

.hero-title {
    font-size: clamp(28px, 4.4vw, 52px);
    line-height: 1.3;
    font-weight: 800;
    margin: 16px 0 0;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.38);
    max-width: 15em;
}

.hero-lead {
    margin: 18px 0 0;
    font-size: clamp(15px, 1.5vw, 18px);
    line-height: 1.9;
    max-width: 33em;
    color: #eef5f0;
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
    font-size: 16px;
    transition:
        transform 0.12s ease,
        background-color 0.12s ease;
}

.hero-button-primary {
    background-color: #52b85a;
    color: #ffffff;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
}

.hero-button-primary:hover {
    transform: translateY(-2px);
}

.hero-button-primary img {
    width: 24px;
    height: 24px;
    display: block;
}

.hero-button-secondary {
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
}

.hero-button-secondary:hover {
    background-color: rgba(255, 255, 255, 0.22);
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 26px;
    margin-top: 28px;
    font-size: 14px;
    color: #e7f2ea;
    font-weight: 600;
}

.hero-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-trust-item::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #7fd689;
}

/* ===== Overview ===== */
.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 8px;
}

.target-card {
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
    border: 1px solid #e6eee7;
    border-radius: 20px;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.07);
    padding: 26px 24px 24px;
}

.target-label {
    align-self: flex-start;
    background-color: #1d7c31;
    color: #ffffff;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 5px 12px;
    border-radius: 999px;
}

.target-title {
    margin: 14px 0 10px;
    font-size: 19px;
    font-weight: 800;
    color: #23302a;
    line-height: 1.5;
}

.target-text {
    margin: 0 0 16px;
    color: #4d4d4d;
    line-height: 1.85;
    font-size: 14.5px;
}

.target-points {
    margin: auto 0 0;
    padding: 16px 0 0;
    list-style: none;
    border-top: 1px dashed #d8e6db;
}

.target-points li {
    position: relative;
    padding-left: 20px;
    color: #23302a;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.7;
}

.target-points li + li {
    margin-top: 8px;
}

.target-points li::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 6px;
    width: 5px;
    height: 9px;
    border-right: 2px solid #1d7c31;
    border-bottom: 2px solid #1d7c31;
    transform: rotate(45deg);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 20px;
    margin-top: 8px;
}

.feature-card {
    background-color: #ffffff;
    border: 1px solid #e6eee7;
    border-radius: 20px;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.07);
    padding: 26px 24px;
}

.feature-number {
    font-size: 30px;
    font-weight: 800;
    color: #1d7c31;
    opacity: 0.3;
    font-family: "Helvetica Neue", Arial, sans-serif;
    line-height: 1;
}

.feature-card-title {
    margin: 10px 0 8px;
    font-size: 19px;
    font-weight: 800;
    color: #23302a;
}

.feature-card-text {
    margin: 0;
    color: #4d4d4d;
    line-height: 1.85;
    font-size: 14.5px;
}

.scope-box {
    margin-top: 30px;
    background-color: #f6faf7;
    border: 1px solid #e2efe5;
    border-radius: 18px;
    padding: 22px 24px;
}

.scope-box-label {
    font-size: 13.5px;
    font-weight: 800;
    color: #1d7c31;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.scope-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.scope-tag {
    display: inline-flex;
    align-items: center;
    padding: 7px 14px;
    border-radius: 999px;
    background-color: #ffffff;
    color: #2c6b3a;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid #d3e8d9;
}

/* ===== Gallery ===== */
.case-card {
    background-color: #ffffff;
    border: 1px solid #e6eee7;
    border-radius: 22px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
    padding: 26px 26px 28px;
    margin-bottom: 26px;
}

.case-card:last-child {
    margin-bottom: 0;
}

.case-head {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    flex-wrap: wrap;
}

.case-number {
    font-size: 42px;
    font-weight: 800;
    color: #1d7c31;
    opacity: 0.26;
    line-height: 1;
    font-family: "Helvetica Neue", Arial, sans-serif;
    letter-spacing: 1px;
}

.case-headings {
    flex: 1;
    min-width: 240px;
}

.case-category {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 8px;
    background-color: #1d7c31;
    color: #ffffff;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.case-title {
    margin: 10px 0 0;
    font-size: clamp(19px, 2vw, 23px);
    font-weight: 800;
    color: #23302a;
    line-height: 1.4;
}

.case-scope {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.case-scope-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 11px;
    border-radius: 999px;
    background-color: #eef6ef;
    color: #2c6b3a;
    font-size: 12.5px;
    font-weight: 700;
    border: 1px solid #d9ecdd;
}

.case-description {
    margin: 16px 0 0;
    color: #4d4d4d;
    line-height: 1.9;
    font-size: 15px;
}

.case-phase {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 26px 0 0;
    font-size: 15px;
    font-weight: 800;
    color: #23302a;
}

.case-phase::before {
    content: "";
    width: 4px;
    height: 16px;
    border-radius: 2px;
    background-color: #1d7c31;
}

.case-phase-note {
    font-size: 13px;
    font-weight: 600;
    color: #6b7a70;
}

.case-photo--wide {
    grid-column: 1 / -1;
}

.case-photo--wide .case-photo-frame {
    aspect-ratio: 1264 / 449;
}

.case-photos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.case-photo {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    background-color: #eef1f0;
    border: 1px solid #e6eee7;
    display: flex;
    flex-direction: column;
}

.case-photo-frame {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.case-photo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.case-photo:hover .case-photo-image {
    transform: scale(1.06);
}

.case-photo-label {
    position: absolute;
    top: 10px;
    left: 10px;
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.case-photo-label--mid {
    background-color: #fff4e0;
    color: #b26a00;
    border: 1px solid #ffe0b2;
}

.case-photo-label--after {
    background-color: #e7f5ea;
    color: #1d7c31;
    border: 1px solid #bfe3c8;
}

.case-photo-caption {
    flex: 1;
    padding: 9px 12px;
    font-size: 12.5px;
    color: #5c6b62;
    line-height: 1.5;
    background-color: #ffffff;
}

.gallery-disclaimer {
    text-align: center;
    margin: 4px 0 0;
    color: #9aa69d;
    font-size: 12.5px;
}

/* ===== Cost / Estimate ===== */
.cost-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.cost-card {
    background-color: #f6faf7;
    border: 1px solid #e2efe5;
    border-radius: 18px;
    padding: 24px 22px;
    text-align: center;
}

.cost-card-title {
    font-size: 17px;
    font-weight: 800;
    color: #1d7c31;
}

.cost-card-text {
    margin: 10px 0 0;
    color: #4d4d4d;
    line-height: 1.8;
    font-size: 14px;
}

.cost-note {
    margin-top: 22px;
    background-color: #fbfbf7;
    border: 1px dashed #d7dcc9;
    border-radius: 16px;
    padding: 20px 22px;
}

.cost-note-label {
    font-size: 13.5px;
    font-weight: 800;
    color: #6a6f52;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.cost-factors {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cost-factor {
    display: inline-flex;
    align-items: center;
    padding: 6px 13px;
    border-radius: 999px;
    background-color: #ffffff;
    color: #6a6f52;
    font-size: 13.5px;
    font-weight: 700;
    border: 1px solid #e2e5d3;
}

.cost-disclaimer {
    margin: 14px 0 0;
    color: #8a8f70;
    font-size: 13px;
    line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.faq-item {
    background-color: #ffffff;
    border-radius: 18px;
    border: 1px solid #ededed;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition:
        box-shadow 0.16s ease,
        transform 0.16s ease;
}

.faq-item:hover {
    box-shadow: 0 20px 42px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    border: none;
    background: transparent;
    font-size: 17px;
    font-weight: 700;
    color: #2c2c2c;
    text-align: left;
    cursor: pointer;
}

.faq-item.is-open .faq-question {
    background-color: #f8fdf8;
    border-bottom: 1px solid #eef3ee;
}

.faq-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    flex-shrink: 0;
}

.faq-toggle-icon::before {
    content: "▶";
    color: #169c3a;
    font-weight: 800;
    font-size: 15px;
}

.faq-item.is-open .faq-toggle-icon::before {
    content: "▼";
}

.faq-question-body {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.faq-question-text {
    line-height: 1.6;
    display: block;
}

.faq-letter {
    color: #169c3a;
    font-weight: 800;
    letter-spacing: 0.2px;
}

.faq-answer {
    padding: 0 20px 18px 52px;
    color: #4d4d4d;
    line-height: 1.8;
    font-size: 15px;
    background-color: #ffffff;
}

.faq-answer-row {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.faq-answer-text p {
    margin: 0;
}

/* ===== Voice ===== */
.voice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.voice-card {
    background-color: #ffffff;
    border: 1px solid #e6eee7;
    border-radius: 20px;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.07);
    padding: 26px 24px;
}

.voice-mark {
    font-size: 44px;
    line-height: 0.6;
    color: #1d7c31;
    opacity: 0.25;
    font-family: Georgia, serif;
    font-weight: 700;
}

.voice-text {
    margin: 6px 0 16px;
    color: #3f4a43;
    line-height: 1.9;
    font-size: 15px;
}

.voice-author {
    font-size: 13.5px;
    color: #7a8a80;
    font-weight: 700;
}

.voice-disclaimer {
    text-align: center;
    margin: 20px 0 0;
    color: #9aa69d;
    font-size: 12.5px;
}

/* ===== Contact ===== */
.contact-section {
    padding: 56px 0 62px;
    background-color: #ffffff;
}

.contact-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
    align-items: stretch;
}

.contact-option {
    border-radius: 14px;
    padding: 22px 18px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contact-option-heading {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
}

.contact-option-subheading {
    margin: 0;
    font-size: 16px;
    font-weight: 800;
}

.contact-option-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 18px;
    background-color: #ffffff;
    color: #0f6b30;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
    font-size: 15px;
    box-shadow: 0 5px 0 rgba(0, 0, 0, 0.08);
    margin-top: 4px;
    transition:
        transform 0.12s ease,
        box-shadow 0.12s ease;
}

.contact-option-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 16px rgba(0, 0, 0, 0.16);
}

.contact-option-icon {
    width: 24px;
    height: 24px;
    display: inline-flex;
}

.contact-option-tel {
    background-color: #c3cf00;
}

.contact-option-line {
    background-color: #50b95a;
}

.contact-message {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    color: #4b4b4b;
}

.contact-message-lead {
    margin: 0;
    font-size: 20px;
    font-weight: 800;
}

.contact-message-line {
    color: #00b900;
}

.contact-message-free {
    color: #e53935;
}

.contact-message p {
    margin: 0;
    line-height: 1.8;
    font-size: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .hero {
        min-height: 520px;
    }

    .hero-content {
        padding: 32px 18px 40px;
    }

    .section {
        padding: 44px 0 44px;
    }

    .case-card {
        padding: 20px 16px 22px;
    }

    .case-photos {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .faq-list {
        padding: 0 10px 10px;
    }

    .faq-question {
        padding: 16px;
        font-size: 16px;
        gap: 10px;
    }

    .faq-answer {
        padding: 0 16px 16px 46px;
    }
}