/* ==========================================================================
   About セクション
   ========================================================================== */
.about__lead {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 1rem;
    line-height: 1.7;
    padding-left: 1.25rem;
    border-left: 2px solid var(--color-green);
}

.about__text > p {
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
}

.about__points {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.about__point {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-line);
}

.about__point:last-child {
    border-bottom: 1px solid var(--color-line);
}

.about__point-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.about__point-icon svg {
    width: 20px;
    height: 20px;
}

.about__point h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.25rem;
}

.about__point p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   Reason セクション
   ========================================================================== */
.reason__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.reason__card {
    padding: 2rem 1.5rem;
    text-align: left;
    position: relative;
    border-right: 1px solid var(--color-line);
    transition: background var(--transition);
}

.reason__card:last-child {
    border-right: none;
}

.reason__card:hover {
    background: var(--color-white);
    box-shadow: inset 3px 0 0 var(--color-green);
}

.reason__number {
    font-family: var(--font-en);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-line);
    line-height: 1;
    margin-bottom: 1rem;
}

.reason__icon {
    width: 44px;
    height: 44px;
    margin-bottom: 1rem;
    background: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.reason__icon svg {
    width: 22px;
    height: 22px;
}

.reason__card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.reason__card p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* 目玉カード（LINE投稿機能） */
.reason__card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto auto 1fr;
    grid-template-rows: auto auto auto;
    column-gap: 1.5rem;
    row-gap: 0.5rem;
    align-items: start;
    background: var(--color-navy);
    color: var(--color-white);
    padding: 2.5rem 2rem;
    border-right: none;
    border-bottom: 1px solid var(--color-line);
}

.reason__card--featured .reason__number {
    grid-row: 1 / 3;
    color: rgba(255, 255, 255, 0.12);
    font-size: 4rem;
    align-self: center;
}

.reason__card--featured .reason__icon--featured {
    grid-row: 1 / 3;
    width: 52px;
    height: 52px;
    background: var(--color-green);
    align-self: center;
}

.reason__card--featured .reason__card-title {
    color: var(--color-white);
    font-size: 1.25rem;
    grid-column: 3;
    align-self: end;
}

.reason__card--featured p {
    color: rgba(255, 255, 255, 0.7);
    grid-column: 3;
}

.reason__card--featured:hover {
    background: var(--color-navy-light);
    box-shadow: none;
}

.reason__note {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    opacity: 0.8;
}

.reason__badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-green);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.3rem 1rem;
    letter-spacing: 0.1em;
}

/* ==========================================================================
   Works セクション
   ========================================================================== */
.works__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.works__card {
    overflow: hidden;
    border-right: 1px solid var(--color-line);
    transition: background var(--transition), box-shadow var(--transition);
}

.works__card:hover {
    background: var(--color-bg);
    box-shadow: inset 3px 0 0 var(--color-green);
}

.works__card:last-child {
    border-right: none;
}

.works__thumb {
    height: 200px;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-line);
}

.works__thumb-placeholder {
    color: var(--color-text-light);
    opacity: 0.2;
}

.works__thumb-placeholder svg {
    width: 64px;
    height: 64px;
}

.works__info {
    padding: 1.5rem;
}

.works__tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-green);
    border: 1px solid var(--color-green);
    padding: 0.15rem 0.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.works__info h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.works__info p {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   CTA バナー（中間）
   ========================================================================== */
.section--cta-mid {
    padding: 0 1.5rem;
    border-top: none;
}

.section--cta-mid::after {
    display: none;
}

.cta-mid {
    max-width: var(--max-width);
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-dark) 100%);
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

/* コートラインモチーフ（センターサークル） */
.cta-mid::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -60px;
    transform: translateY(-50%);
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    pointer-events: none;
}

/* ハーフウェイライン */
.cta-mid::after {
    content: "";
    position: absolute;
    top: 0;
    right: 40px;
    width: 1px;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.cta-mid__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cta-mid__catch {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.cta-mid__sub {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
}

.cta-mid__actions .btn {
    white-space: nowrap;
    background: var(--color-white);
    color: var(--color-green-dark);
    border-color: var(--color-white);
}

.cta-mid__actions .btn:hover {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 42, 74, 0.3);
}

.cta-mid__actions .btn:active {
    transform: scale(0.98) translateY(0);
    box-shadow: none;
}

/* ==========================================================================
   Voice セクション
   ========================================================================== */
.voice__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.voice__card {
    padding: 2rem;
    position: relative;
    border-right: 1px solid var(--color-line);
    transition: background var(--transition), box-shadow var(--transition);
}

.voice__card:hover {
    background: var(--color-white);
    box-shadow: inset 3px 0 0 var(--color-green);
}

.voice__card:last-child {
    border-right: none;
}

.voice__card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-line);
}

.voice__avatar {
    width: 44px;
    height: 44px;
    background: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.voice__avatar svg {
    width: 24px;
    height: 24px;
}

.voice__name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-navy);
}

.voice__team {
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.voice__text {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.9;
}

/* ==========================================================================
   Plan セクション
   ========================================================================== */
.plan__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    align-items: start;
    border: 1px solid var(--color-line);
}

.plan__card {
    padding: 2.5rem 2rem;
    position: relative;
    border-right: 1px solid var(--color-line);
}

.plan__card:last-child {
    border-right: none;
}

.plan__card--popular {
    background: var(--color-navy);
    color: var(--color-white);
    margin-top: -8px;
    margin-bottom: -8px;
    padding-top: calc(2.5rem + 8px);
    padding-bottom: calc(2.5rem + 8px);
    box-shadow: 0 8px 30px rgba(27, 42, 74, 0.25);
    z-index: 1;
    position: relative;
}

.plan__badge {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--color-green);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    letter-spacing: 0.1em;
}

.plan__card-header {
    margin-bottom: 1.5rem;
}

.plan__name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.plan__card--popular .plan__name {
    color: var(--color-white);
}

.plan__desc {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.plan__card--popular .plan__desc {
    color: rgba(255, 255, 255, 0.6);
}

.plan__price {
    padding: 1.25rem 0;
    border-top: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 1.5rem;
}

.plan__card--popular .plan__price {
    border-color: var(--color-line-on-dark);
}

.plan__price-amount {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: -0.02em;
}

.plan__card--popular .plan__price-amount {
    color: var(--color-white);
}

.plan__price-amount small {
    font-size: 1.1rem;
    margin-right: 0.1rem;
}

.plan__price-unit {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.plan__card--popular .plan__price-unit {
    color: rgba(255, 255, 255, 0.5);
}

.plan__features {
    margin-bottom: 2rem;
}

.plan__features li {
    padding: 0.5rem 0;
    font-size: 0.85rem;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-line);
    position: relative;
    padding-left: 1.5rem;
}

.plan__card--popular .plan__features li {
    color: rgba(255, 255, 255, 0.85);
    border-bottom-color: var(--color-line-on-dark);
}

.plan__features li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 700;
}

.section__subtitle {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

/* キャンペーンバナー */
.plan__campaign {
    text-align: center;
    background: var(--color-navy);
    color: var(--color-white);
    padding: 1.25rem 2rem;
    margin-bottom: 2.5rem;
}

.plan__campaign-title {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-green-light);
    margin-bottom: 0.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.plan__campaign-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-green-light);
    border-radius: 50%;
    animation: campaignDotPulse 1.5s ease-in-out infinite;
}

@keyframes campaignDotPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 102, 0.6); }
    50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0, 212, 102, 0); }
}

.plan__campaign-text {
    font-size: 1.1rem;
    font-weight: 700;
}

.plan__campaign-text strong {
    color: var(--color-green-light);
    font-size: 1.3em;
}

/* プランカードラベル */
.plan__card-label {
    display: block;
    font-family: var(--font-en);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-green);
    letter-spacing: 0.15em;
    margin-bottom: 0.25rem;
}

.plan__card--popular .plan__card-label {
    color: var(--color-green-light);
}

/* モニター価格表示 */
.plan__price-original {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-decoration: line-through;
    margin-bottom: 0.25rem;
}

.plan__card--popular .plan__price-original {
    color: rgba(255, 255, 255, 0.4);
}

.plan__price-off {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-white);
    background: var(--color-green);
    padding: 0.15rem 0.5rem;
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* 制作期間 */
.plan__delivery {
    font-size: 0.8rem;
    color: var(--color-text-light);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 1rem;
}

.plan__card--popular .plan__delivery {
    color: rgba(255, 255, 255, 0.5);
    border-bottom-color: var(--color-line-on-dark);
}

/* ライト全機能+ 表示 */
.plan__includes {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-green);
    margin-bottom: 0.5rem;
}

.plan__card--popular .plan__includes {
    color: var(--color-green-light);
}

/* 保守プラン */
.plan__maintenance {
    margin-top: 3rem;
    border: 1px solid var(--color-line);
    padding: 2rem;
}

.plan__maintenance-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-line);
}

.plan__maintenance-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-navy);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.plan__maintenance-badge {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-text-light);
    border: 1px solid var(--color-line);
    padding: 0.15rem 0.5rem;
}

.plan__maintenance-price {
    font-size: 0.9rem;
    color: var(--color-text);
}

.plan__maintenance-price strong {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-navy);
    font-family: var(--font-en);
}

.plan__maintenance-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.plan__maintenance-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 2rem;
}

.plan__maintenance-features li {
    font-size: 0.85rem;
    color: var(--color-text);
    padding-left: 1.25rem;
    position: relative;
}

.plan__maintenance-features li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 700;
}

/* オプション誘導CTA */
.plan__option-cta {
    margin-top: 3rem;
    background: var(--color-navy);
    padding: 2.5rem;
}

.plan__option-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.plan__option-cta-text .section__label {
    color: var(--color-green-light);
}

.plan__option-cta-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-white);
    margin-top: 0.25rem;
}

.plan__option-cta-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.5rem;
    line-height: 1.7;
}

.plan__option-cta .btn--primary {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

@media (max-width: 768px) {
    .plan__option-cta {
        padding: 2rem 1.5rem;
    }

    .plan__option-cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

.plan__note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 2rem;
}

.plan__option-link {
    text-align: center;
    margin-top: 2.5rem;
    padding: 2rem;
    background: var(--color-bg);
    border-radius: 12px;
}

.plan__option-link p {
    font-size: 0.95rem;
    color: var(--color-navy);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ==========================================================================
   Flow セクション（制作の流れ）
   ========================================================================== */
.flow__steps {
    max-width: 740px;
    margin: 0 auto;
    position: relative;
}

.flow__steps::before {
    content: "";
    position: absolute;
    top: 0;
    left: 20px;
    bottom: 0;
    width: 1px;
    background: var(--color-line);
}

/* タイムラインのアクティブライン — is-visible時にグレー→グリーンへ変化 */
.section--flow.is-visible .flow__steps::before {
    background: var(--color-green);
    transition: background 1s ease 0.3s;
}

.flow__step {
    display: flex;
    gap: 1.5rem;
    position: relative;
    padding-bottom: 2.5rem;
}

.flow__step:last-child {
    padding-bottom: 0;
}

.flow__step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.flow__step-number span {
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-white);
}

.flow__step-content {
    flex: 1;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-line);
}

.flow__step:last-child .flow__step-content {
    border-bottom: none;
}

.flow__step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 0.5rem;
}

.flow__step-content p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* トップページの「詳しい流れを見る」ボタン */
.flow__more {
    text-align: center;
    margin-top: 2.5rem;
}

/* ==========================================================================
   FAQ セクション（よくある質問）
   ========================================================================== */
.faq__list {
    max-width: 780px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-line);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-ja);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-navy);
    text-align: left;
    line-height: 1.6;
    transition: color var(--transition);
}

.faq__question:hover {
    color: var(--color-green);
}

.faq__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-text-light);
    transition: transform var(--transition);
}

.faq__item.is-open .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__answer p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.9;
    padding-left: 1rem;
    border-left: 2px solid var(--color-green);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.3s ease 0.05s, transform 0.3s ease 0.05s;
}

.faq__item.is-open .faq__answer {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.faq__item.is-open .faq__answer p {
    opacity: 1;
    transform: translateY(0);
}

.faq__more {
    text-align: center;
    margin-top: 2.5rem;
}

/* ==========================================================================
   Contact セクション
   ========================================================================== */
.section--contact {
    background: var(--color-navy);
    color: var(--color-white);
    border-top-color: var(--color-line-on-dark);
}

.section--contact::after {
    background: var(--color-line-on-dark);
}

.section--contact .section__title {
    color: var(--color-white);
}

.contact__lead {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2.5rem;
}

.contact__notice {
    max-width: 720px;
    margin: 0 auto 1.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

.contact__notice p {
    margin: 0;
}

.contact__notice--success {
    background: rgba(6, 199, 85, 0.14);
    border-color: rgba(6, 199, 85, 0.4);
    color: var(--color-white);
}

.contact__notice--error {
    background: rgba(255, 107, 107, 0.12);
    border-color: rgba(255, 107, 107, 0.4);
    color: #ffdede;
}

.contact__error-list {
    margin: 0.75rem 0 0;
    padding-left: 1.25rem;
}

/* LINE メイン導線 */
.contact__line {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 2rem;
}

.contact__line-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: #06C755;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: var(--color-white);
}

.contact__line-icon svg {
    width: 32px;
    height: 32px;
}

.contact__line-text {
    flex: 1;
}

.contact__line-text h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.contact__line-text p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.btn--line {
    flex-shrink: 0;
    background: #06C755;
    color: var(--color-white);
    border-color: #06C755;
    font-weight: 700;
    padding: 0.875rem 2rem;
    white-space: nowrap;
}

.btn--line:hover {
    background: #05b34c;
    border-color: #05b34c;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}

.btn--line:active {
    transform: scale(0.98) translateY(0);
    box-shadow: none;
}

/* フォーム トグル */
.contact__form-toggle {
    max-width: 720px;
    margin: 0 auto 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}

.contact__form-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-ja);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
    padding: 0;
}

.contact__form-toggle-btn:hover {
    color: rgba(255, 255, 255, 0.8);
}

.contact__form-toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}

.contact__form-toggle-btn.is-open .contact__form-toggle-icon {
    transform: rotate(180deg);
}

/* フォーム（折りたたみ） */
.contact__form-wrap {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact__form-wrap.is-open {
    max-height: 1200px;
}

.contact__form {
    max-width: 720px;
    margin: 0 auto;
}

.contact__honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.contact__form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.contact__form-group {
    margin-bottom: 1.5rem;
}

.contact__form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.required {
    font-size: 0.7rem;
    color: var(--color-green-light);
    margin-left: 0.25rem;
}

.contact__form-group input,
.contact__form-group select,
.contact__form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    font-family: var(--font-ja);
    font-size: 0.9rem;
    transition: border-color var(--transition), background var(--transition);
    outline: none;
}

.contact__form-group input::placeholder,
.contact__form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.contact__form-group input:focus,
.contact__form-group select:focus,
.contact__form-group textarea:focus {
    border-color: var(--color-green);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 184, 86, 0.15);
}

.contact__form-group:focus-within label {
    color: var(--color-green-light);
}

.contact__form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px;
    cursor: pointer;
}

.contact__form-group select option {
    color: var(--color-text);
    background: var(--color-white);
}

.contact__form-group textarea {
    resize: vertical;
}

.contact__field-error {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: #ffdede;
}

.contact__form-submit {
    text-align: center;
    margin-top: 1rem;
}

.contact__form-submit .btn {
    min-width: 240px;
}

/* ==========================================================================
   ブログ セクション（トップ）
   ========================================================================== */
.section--blog .section__header {
    text-align: center;
    margin-bottom: 3rem;
}

.section--blog .section__lead {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.blog-teaser__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-teaser__card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    background: var(--color-white);
    transition: transform var(--transition);
    min-width: 0;
}

.blog-teaser__card:hover {
    transform: translateY(-4px);
    text-decoration: none;
    color: inherit;
}

.blog-teaser__thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.blog-teaser__card:hover .blog-teaser__thumb img {
    transform: scale(1.05);
}

.blog-teaser__thumb-placeholder {
    color: var(--color-text-light);
    opacity: 0.4;
}

.blog-teaser__body {
    padding: 1.2rem 0 0;
}

.blog-teaser__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
}

.blog-teaser__cat {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-green);
    letter-spacing: 0.04em;
}

.blog-teaser__date {
    font-family: var(--font-en);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.03em;
}

.blog-teaser__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-teaser__more {
    margin-top: 3rem;
    text-align: center;
}

/* ==========================================================================
   Instagram セクション
   ========================================================================== */
.section--instagram .section__header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.instagram__feed {
    max-width: 960px;
    margin: 0 auto;
}

/* --- Smash Balloon のデフォルトUIを非表示（プロフィール / 純正フォローボタン） --- */
/* 新旧クラス名を網羅して確実に隠す */
.instagram__feed .sb_instagram_header,
.instagram__feed .sbi_header_text,
.instagram__feed .sbi_header_wrap,
.instagram__feed [class*="sbi_header"],
.instagram__feed [class*="sb-instagram-header"],
.instagram__feed .sbi_follow_btn,
.instagram__feed .sbi_follow,
.instagram__feed [class*="sbi_follow"],
.instagram__feed .sbi_bio,
.instagram__feed [class*="sbi_bio"] {
    display: none !important;
}

/* 余白リセット */
.instagram__feed #sb_instagram,
.instagram__feed .sb_instagram,
.instagram__feed [id^="sb_instagram"] {
    padding: 0 !important;
}

/* 画像の角丸を無効化（コートラインのデザイン方針） */
.instagram__feed .sbi_photo,
.instagram__feed .sbi_photo_wrap,
.instagram__feed .sbi_item,
.instagram__feed .sbi_imgLiquid_bgSize {
    border-radius: 0 !important;
}

.instagram__feed .sbi_photo_wrap {
    overflow: hidden;
}

.instagram__feed .sbi_photo img {
    transition: transform var(--transition);
}

.instagram__feed .sbi_photo:hover img {
    transform: scale(1.04);
}

/* --- Smash Balloon のネイティブ「もっと見る」ボタンを独自デザインに上書き --- */
.instagram__feed #sbi_load {
    text-align: center;
    margin-top: 2.5rem !important;
    padding: 0 !important;
}

.instagram__feed #sbi_load .sbi_load_btn,
.instagram__feed .sbi_load_btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    background: var(--color-navy) !important;
    color: var(--color-white) !important;
    border: 1px solid var(--color-navy) !important;
    border-radius: 0 !important;
    padding: 0.95rem 2.4rem !important;
    font-family: var(--font-ja) !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em !important;
    min-width: 180px;
    line-height: 1.4 !important;
    box-shadow: none !important;
    cursor: pointer;
    transition: all var(--transition) !important;
}

.instagram__feed #sbi_load .sbi_load_btn:hover,
.instagram__feed .sbi_load_btn:hover {
    background: var(--color-navy-dark) !important;
    border-color: var(--color-navy-dark) !important;
    color: var(--color-white) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 42, 74, 0.3) !important;
}

.instagram__feed .sbi_load_btn .sbi_btn_text {
    color: inherit !important;
    font-weight: 700 !important;
}

.instagram__feed .sbi_load_btn .fa,
.instagram__feed .sbi_load_btn svg {
    display: none !important;
}

/* --- プレースホルダー（プラグイン未導入時） --- */
.instagram__placeholder {
    padding: 3rem 1.5rem;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.8;
}

.instagram__placeholder strong {
    color: var(--color-navy);
    font-weight: 700;
}

/* --- 独自フォローボタン --- */
.instagram__actions {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.instagram__btn--follow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.95rem 2.4rem;
    min-width: 220px;
    background: var(--color-green);
    color: var(--color-white);
    border: 1px solid var(--color-green);
    border-radius: 0;
    font-family: var(--font-ja);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
}

.instagram__btn--follow:hover,
.instagram__btn--follow:focus {
    background: var(--color-green-dark);
    border-color: var(--color-green-dark);
    color: var(--color-white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 184, 86, 0.3);
}

.instagram__btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.instagram__btn-label {
    white-space: nowrap;
}

/* ==========================================================================
   レスポンシブ（フロントページ）
   ========================================================================== */

/* タブレット */
@media (max-width: 1024px) {
    .reason__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .reason__card--featured {
        grid-column: 1 / -1;
    }

    .reason__card:nth-child(even) {
        border-right: none;
    }

    /* Blog teaser タブレット */
    .blog-teaser__grid {
        gap: 1.5rem;
    }
}

/* スマホ */
@media (max-width: 768px) {
    .about__lead {
        font-size: 1.15rem;
    }

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

    .reason__card {
        border-right: none;
        border-bottom: 1px solid var(--color-line);
    }

    .reason__card:last-child {
        border-bottom: none;
    }

    .reason__card--featured {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .reason__card--featured .reason__number {
        grid-row: auto;
        font-size: 3rem;
    }

    .reason__card--featured .reason__icon--featured {
        grid-row: auto;
    }

    .reason__card--featured .reason__card-title {
        grid-column: 1;
    }

    .reason__card--featured p {
        grid-column: 1;
    }

    .works__grid,
    .voice__grid,
    .plan__grid {
        grid-template-columns: 1fr;
    }

    .works__card,
    .voice__card {
        border-right: none;
        border-bottom: 1px solid var(--color-line);
    }

    .works__card:last-child,
    .voice__card:last-child {
        border-bottom: none;
    }

    .plan__card {
        border-right: none;
        border-bottom: 1px solid var(--color-line);
    }

    .plan__card:last-child {
        border-bottom: none;
    }

    .plan__card--popular {
        order: -1;
        margin-top: 0;
        margin-bottom: 0;
        padding-top: 2.5rem;
        padding-bottom: 2.5rem;
        box-shadow: 0 4px 20px rgba(27, 42, 74, 0.2);
    }

    .plan__card:not(.plan__card--popular):hover {
        transform: none;
        box-shadow: none;
    }

    .plan__maintenance-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .plan__maintenance-features {
        flex-direction: column;
        gap: 0.25rem;
    }

    .contact__line {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .contact__line .btn--line {
        width: 100%;
    }

    .contact__form-row {
        grid-template-columns: 1fr;
    }

    /* CTA Mid SP */
    .cta-mid {
        padding: 2rem 1.25rem;
    }

    .cta-mid__inner {
        flex-direction: column;
        text-align: center;
    }

    .cta-mid__catch {
        font-size: 1.15rem;
    }

    /* Flow SP */
    .flow__steps::before {
        left: 20px;
    }


    .flow__step {
        gap: 1rem;
    }

    /* FAQ SP */
    .faq__question {
        font-size: 0.9rem;
    }

    /* Blog teaser SP */
    .blog-teaser__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .blog-teaser__more {
        margin-top: 2.5rem;
    }

    /* Instagram SP */
    .instagram__actions {
        margin-top: 2rem;
    }

    .instagram__btn--follow {
        width: 100%;
        max-width: 320px;
        min-width: 0;
    }

    .instagram__feed #sbi_load .sbi_load_btn,
    .instagram__feed .sbi_load_btn {
        width: 100%;
        max-width: 320px;
        min-width: 0;
    }
}