/* ===========================
   Hero Section
   =========================== */
.sd-hero {
    position: relative;
    width: 100%;
    min-height: 580px;
    display: flex;
    align-items: center;
    margin-top: 70px;
    overflow: hidden;
}

.sd-hero__bg {
    position: absolute;
    inset: 0;
    background-image: url('./img/hero-bg.png');
    background-size: cover;
    background-position: center center;
    z-index: 0;
}

.sd-hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(5, 5, 15, 0.70) 0%,
        rgba(10, 20, 40, 0.50) 50%,
        rgba(15, 30, 60, 0.20) 100%
    );
}


.sd-hero__noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.4;
    z-index: 1;
}

.sd-hero__inner {
    position: relative;
    z-index: 2;
    color: #fff;
    padding-top: 60px;
    padding-bottom: 60px;
}

.sd-hero__breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 28px;
}

.sd-hero__breadcrumb a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.sd-hero__breadcrumb a:hover {
    color: #fff;
}

.sd-hero__badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    font-weight: 500;
    padding: 5px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.sd-hero__catch {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.25;
    margin: 0 0 24px;
    letter-spacing: -0.5px;
}

.sd-hero__sub {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.75);
    margin: 0 0 36px;
    max-width: 620px;
}

.sd-hero__sub strong {
    color: #fff;
    font-weight: 700;
}

.sd-hero__cta-wrap {
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
}

.sd-hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: #000;
    font-size: 16px;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.sd-hero__cta:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
}

.sd-hero__meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
}

.sd-hero__meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.seminar-seats-left {
    display: inline-block;
    background-color: #ffebee;
    color: #d32f2f;
    font-size: 11px;
    font-weight: bold;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ===========================
   Sub Catch
   =========================== */
.sd-subcatch {
    background: #f5f5f5;
    padding: 50px 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.sd-subcatch .content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sd-subcatch__text {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.7;
    margin: 0;
    color: #222;
    padding-left: 20px;
    border-left: 3px solid #000;
}

.sd-subcatch__text strong {
    font-weight: 700;
}

/* ===========================
   Shared Section Styles
   =========================== */
.sd-section {
    padding: 90px 0;
}

.sd-section__head {
    margin-bottom: 50px;
}

.sd-section__label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    color: #999;
    margin: 0 0 10px;
}

.sd-section__title {
    font-size: 36px;
    font-weight: 900;
    margin: 0;
    color: #000;
}

/* ===========================
   Target
   =========================== */
.sd-target {
    background: #fff;
    border-top: 1px solid #f0f0f0;
}

.sd-target__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sd-target__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sd-target__item:hover {
    border-color: #000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.sd-target__icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: #000;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    margin-top: 2px;
}

.sd-target__item p {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
    color: #222;
}

/* ===========================
   Benefits
   =========================== */
.sd-benefits {
    background: #fafafa;
}

.sd-benefits__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.sd-benefit-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    padding: 32px;
    transition: box-shadow 0.2s;
}

.sd-benefit-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.sd-benefit-card__num {
    font-size: 48px;
    font-weight: 900;
    color: #f0f0f0;
    line-height: 1;
    margin-bottom: 12px;
}

.sd-benefit-card__title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0 0 14px;
    color: #000;
}

.sd-benefit-card__desc {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    margin: 0;
}

/* ===========================
   Timeline
   =========================== */
.sd-timeline {
    background: #fff;
    border-top: 1px solid #f0f0f0;
}

.sd-timeline__list {
    position: relative;
    padding-left: 160px;
}

.sd-timeline__list::before {
    content: '';
    position: absolute;
    left: 140px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: #e0e0e0;
}

.sd-timeline__item {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    min-height: 50px;
}

.sd-timeline__item:last-child {
    margin-bottom: 0;
}

.sd-timeline__time {
    position: absolute;
    left: -160px;
    width: 130px;
    text-align: right;
    font-size: 14px;
    font-weight: 600;
    color: #888;
    padding-top: 4px;
}

.sd-timeline__dot {
    position: absolute;
    left: -26px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: #000;
    border-radius: 50%;
    flex-shrink: 0;
}

.sd-timeline__item--break .sd-timeline__dot {
    background: #ccc;
}

.sd-timeline__item--end .sd-timeline__dot {
    background: #000;
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.1);
}

.sd-timeline__content {
    padding-left: 28px;
}

.sd-timeline__content h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 0 0 4px;
    color: #000;
}

.sd-timeline__item--break .sd-timeline__content h3 {
    color: #999;
    font-weight: 400;
}

.sd-timeline__content p {
    font-size: 14px;
    color: #555;
    margin: 0;
    line-height: 1.6;
}

/* ===========================
   Voices
   =========================== */
.sd-voices {
    background: #0a0a0a;
}

.sd-voices .sd-section__label {
    color: #555;
}

.sd-voices .sd-section__title {
    color: #fff;
}

.sd-voices__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.sd-voice-card {
    background: #141414;
    border: 1px solid #2a2a2a;
    border-left: 3px solid #fff;
    border-radius: 4px;
    padding: 28px 28px 28px 32px;
    margin: 0;
}

.sd-voice-card__text {
    font-size: 16px;
    line-height: 1.8;
    color: #ddd;
    margin: 0 0 16px;
}

.sd-voice-card__author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sd-voice-card__icon {
    font-size: 32px;
    color: #666;
}

.sd-voice-card__author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sd-voice-card__name {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

.sd-voice-card__job {
    font-size: 12px;
    color: #999;
}

.sd-voices__note {
    font-size: 12px;
    color: #444;
    margin: 0;
}

/* ===========================
   Overview Table
   =========================== */
.sd-overview {
    background: #fff;
    border-top: 1px solid #f0f0f0;
}

.sd-overview__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.sd-overview__table th,
.sd-overview__table td {
    padding: 20px 24px;
    border-bottom: 1px solid #eee;
    text-align: left;
    vertical-align: top;
    line-height: 1.7;
}

.sd-overview__table th {
    width: 120px;
    font-weight: 700;
    color: #000;
    white-space: nowrap;
    border-right: 2px solid #000;
    background: #fafafa;
}

.sd-overview__table td {
    color: #333;
}

.sd-overview__table tr:first-child th,
.sd-overview__table tr:first-child td {
    border-top: 1px solid #eee;
}

.sd-map-iframe {
    width: 100%;
    height: 250px;
    border: 0;
    margin-top: 12px;
    border-radius: 8px;
    display: block;
}

@media (min-width: 768px) {
    .sd-map-iframe {
        max-width: 50%;
        min-width: 320px;
    }
}

/* ===========================
   Notice Box
   =========================== */
.sd-notice {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: #eef4ff;
    border: 1px solid #c5d8ff;
    border-left: 4px solid #3b7cff;
    border-radius: 4px;
    padding: 20px 24px;
    margin-top: 20px;
}

.sd-notice__icon {
    flex-shrink: 0;
    font-size: 18px;
    color: #3b7cff;
    margin-top: 2px;
}

.sd-notice__title {
    font-size: 14px;
    font-weight: 700;
    color: #1a3a7a;
    margin: 0 0 6px;
}

.sd-notice__text {
    font-size: 14px;
    line-height: 1.7;
    color: #2a3f6a;
    margin: 0;
}

.sd-notice__text strong {
    color: #1a3a7a;
}

/* ===========================
   FAQ
   =========================== */
.sd-faq {
    background: #fafafa;
}

.sd-faq__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid #e0e0e0;
}

.sd-faq__item {
    border-bottom: 1px solid #e0e0e0;
    padding: 32px 0;
}

.sd-faq__q,
.sd-faq__a {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.sd-faq__q {
    margin-bottom: 16px;
}

.sd-faq__q-label,
.sd-faq__a-label {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    margin-top: 1px;
}

.sd-faq__q-label {
    background: #000;
    color: #fff;
}

.sd-faq__a-label {
    background: #f0f0f0;
    color: #000;
}

.sd-faq__q p,
.sd-faq__a p {
    font-size: 16px;
    line-height: 1.7;
    margin: 0;
    padding-top: 2px;
}

.sd-faq__q p {
    font-weight: 600;
    color: #000;
}

.sd-faq__a p {
    color: #444;
}

/* ===========================
   CTA
   =========================== */
.sd-cta {
    position: relative;
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
}

.sd-cta .content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sd-cta__closing {
    font-size: 30px;
    font-weight: 900;
    color: #fff;
    margin: 0 0 16px;
    line-height: 1.4;
}

.sd-cta__sub {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin: 0 0 44px;
}

.sd-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    color: #000;
    font-size: 18px;
    font-weight: 800;
    padding: 20px 48px;
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.sd-cta__btn:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.5);
}

/* ===========================
   Responsive
   =========================== */
@media screen and (max-width: 1360px) {
    .sd-hero__catch {
        font-size: 44px;
    }
}

@media screen and (max-width: 959px) {
    .sd-hero__catch {
        font-size: 36px;
    }
    .sd-hero__sub {
        font-size: 14px;
    }
    .sd-benefits__grid {
        grid-template-columns: 1fr;
    }
    .sd-voices__grid {
        grid-template-columns: 1fr;
    }
    .sd-timeline__list {
        padding-left: 120px;
    }
    .sd-timeline__list::before {
        left: 100px;
    }
    .sd-timeline__time {
        left: -120px;
        width: 90px;
    }
    .sd-section__title {
        font-size: 28px;
    }
}

@media screen and (max-width: 649px) {
    .sd-hero {
        min-height: auto;
    }
    .sd-hero__catch {
        font-size: 28px;
    }
    .sd-hero__cta-wrap {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .sd-hero__cta {
        font-size: 15px;
        padding: 14px 28px;
    }
    .sd-section {
        padding: 60px 0;
    }
    .sd-section__title {
        font-size: 24px;
    }
    .sd-subcatch__text {
        font-size: 16px;
    }
    .sd-timeline__list {
        padding-left: 0;
    }
    .sd-timeline__list::before {
        display: none;
    }
    .sd-timeline__item {
        flex-direction: column;
        padding-left: 0;
    }
    .sd-timeline__time {
        position: static;
        width: auto;
        text-align: left;
        font-size: 13px;
        color: #555;
        margin-bottom: 6px;
    }
    .sd-timeline__dot {
        display: none;
    }
    .sd-timeline__content {
        padding-left: 0;
        padding-left: 14px;
        border-left: 2px solid #000;
    }
    .sd-item--break .sd-timeline__content {
        border-color: #ccc;
    }
    .sd-overview__table th {
        width: 90px;
        font-size: 13px;
        padding: 14px 12px;
    }
    .sd-overview__table td {
        font-size: 13px;
        padding: 14px 12px;
    }
    .sd-cta__closing {
        font-size: 22px;
    }
    .sd-cta__btn {
        font-size: 15px;
        padding: 16px 28px;
    }
}