:root {
    --sowa-ad-ink: #17324d;
    --sowa-ad-muted: #597186;
    --sowa-ad-cyan: #59cbd4;
    --sowa-ad-cyan-dark: #159aaa;
    --sowa-ad-blue: #2977df;
    --sowa-ad-blue-dark: #1658ad;
    --sowa-ad-sky: #eaf9fb;
    --sowa-ad-paper: #f7fbfc;
    --sowa-ad-line: #d7e8ec;
    --sowa-ad-yellow: #ffc857;
    --sowa-ad-shadow: 0 20px 60px rgba(20, 74, 101, 0.12);
}

.sowa-ad,
.sowa-ad * {
    box-sizing: border-box;
}

.sowa-ad {
    margin: 0;
    background: var(--sowa-ad-paper);
    color: var(--sowa-ad-ink);
    font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
    line-height: 1.75;
}

.sowa-ad a {
    color: inherit;
    text-decoration: none;
}

.sowa-ad button,
.sowa-ad input {
    font: inherit;
}

.sowa-ad section {
    scroll-margin-top: 88px;
}

.sowa-ad__header {
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: 74px;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 8px max(24px, calc((100vw - 1180px) / 2));
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(162, 205, 214, 0.65);
    backdrop-filter: blur(16px);
}

.sowa-ad__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
}

.sowa-ad__brand img {
    width: 54px;
    height: 54px;
    object-fit: contain;
}

.sowa-ad__brand > span {
    display: grid;
    line-height: 1.1;
}

.sowa-ad__brand strong {
    font-size: 17px;
    letter-spacing: 0.02em;
}

.sowa-ad__brand small {
    margin-top: 5px;
    color: var(--sowa-ad-cyan-dark);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.sowa-ad__header nav {
    display: flex;
    gap: 22px;
}

.sowa-ad__header nav a {
    color: #405c72;
    font-size: 13px;
    font-weight: 700;
}

.sowa-ad__header nav a:hover {
    color: var(--sowa-ad-blue);
}

.sowa-ad__header-button {
    padding: 10px 18px;
    border-radius: 999px;
    color: #fff !important;
    background: var(--sowa-ad-blue);
    box-shadow: 0 8px 20px rgba(41, 119, 223, 0.22);
    font-size: 13px;
    font-weight: 800;
}

.sowa-ad__hero {
    position: relative;
    max-width: 1280px;
    min-height: 640px;
    margin: 0 auto;
    padding: 86px 50px 72px;
    display: grid;
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 64px;
    overflow: hidden;
}

.sowa-ad__hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(89, 203, 212, 0.24), transparent 32%),
        radial-gradient(circle at 18% 80%, rgba(41, 119, 223, 0.08), transparent 28%);
    pointer-events: none;
}

.sowa-ad__hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.24;
    background-image:
        linear-gradient(#cfe9ed 1px, transparent 1px),
        linear-gradient(90deg, #cfe9ed 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to right, transparent, #000 35%, #000 80%, transparent);
    pointer-events: none;
}

.sowa-ad__hero-copy,
.sowa-ad__hero-panel {
    position: relative;
    z-index: 1;
}

.sowa-ad__eyebrow,
.sowa-ad__kicker {
    color: var(--sowa-ad-blue);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.15em;
}

.sowa-ad__eyebrow {
    display: inline-block;
    margin: 0 0 20px;
    padding: 7px 13px;
    background: #fff;
    border: 1px solid #cce8ed;
    border-radius: 999px;
}

.sowa-ad__hero h1 {
    max-width: 650px;
    margin: 0;
    font-size: clamp(42px, 5.1vw, 68px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.045em;
}

.sowa-ad__hero h1 em {
    position: relative;
    color: var(--sowa-ad-cyan-dark);
    font-style: normal;
}

.sowa-ad__hero h1 em::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 2px;
    left: 0;
    z-index: -1;
    height: 8px;
    background: var(--sowa-ad-yellow);
    opacity: 0.65;
}

.sowa-ad__lead {
    max-width: 620px;
    margin: 28px 0 0;
    color: var(--sowa-ad-muted);
    font-size: 17px;
    line-height: 2;
}

.sowa-ad__hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.sowa-ad__button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    border-radius: 13px;
    font-weight: 800;
    transition: transform 0.2s ease;
}

.sowa-ad__button:hover {
    transform: translateY(-2px);
}

.sowa-ad__button--primary {
    color: #fff !important;
    background: var(--sowa-ad-blue);
    box-shadow: 0 12px 28px rgba(41, 119, 223, 0.24);
}

.sowa-ad__button--secondary {
    color: var(--sowa-ad-blue-dark) !important;
    background: #fff;
    border: 1px solid #bed9eb;
}

.sowa-ad__microcopy {
    display: block;
    margin-top: 13px;
    color: #7790a1;
    font-size: 12px;
}

.sowa-ad__hero-panel {
    padding: 38px;
    color: #fff;
    background: linear-gradient(145deg, #1967c5, #16a8b4);
    border-radius: 28px;
    box-shadow: 0 28px 70px rgba(21, 92, 139, 0.28);
    overflow: hidden;
}

.sowa-ad__hero-panel::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -90px;
    width: 280px;
    height: 280px;
    border: 58px solid rgba(255, 255, 255, 0.09);
    border-radius: 50%;
}

.sowa-ad__panel-label {
    position: relative;
    display: inline-block;
    padding: 5px 10px;
    color: #0b628d;
    background: #a9f0ee;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.17em;
}

.sowa-ad__hero-panel h2 {
    position: relative;
    margin: 18px 0 26px;
    font-size: 28px;
    line-height: 1.5;
}

.sowa-ad__metrics {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.sowa-ad__metrics > div {
    padding: 15px 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 13px;
    text-align: center;
}

.sowa-ad__metrics strong,
.sowa-ad__metrics span {
    display: block;
}

.sowa-ad__metrics strong {
    font-size: 21px;
    line-height: 1.3;
}

.sowa-ad__metrics span {
    margin-top: 5px;
    font-size: 10px;
    opacity: 0.82;
}

.sowa-ad__demo {
    position: relative;
    margin-top: 25px;
    padding: 14px;
    color: var(--sowa-ad-ink);
    background: #f8ffff;
    border-radius: 14px;
}

.sowa-ad__demo > span {
    display: block;
    margin-bottom: 8px;
    color: #477287;
    font-size: 11px;
    font-weight: 800;
}

.sowa-ad__demo > div {
    padding: 13px 15px;
    background: #fff;
    border-left: 5px solid var(--sowa-ad-yellow);
    border-radius: 7px;
    box-shadow: 0 5px 15px rgba(36, 95, 112, 0.12);
}

.sowa-ad__demo strong,
.sowa-ad__demo small {
    display: block;
}

.sowa-ad__demo small {
    margin-top: 3px;
    color: var(--sowa-ad-muted);
    font-size: 11px;
}

.sowa-ad__data-note {
    position: relative;
    margin: 12px 0 0;
    font-size: 10px;
    opacity: 0.78;
}

.sowa-ad__quick-nav {
    max-width: 1120px;
    margin: -10px auto 72px;
    padding: 0 22px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.sowa-ad__quick-nav a {
    display: grid;
    grid-template-columns: 34px 1fr;
    column-gap: 10px;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--sowa-ad-line);
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(38, 91, 112, 0.07);
    transition: 0.2s ease;
}

.sowa-ad__quick-nav a:hover {
    transform: translateY(-3px);
    border-color: var(--sowa-ad-cyan);
}

.sowa-ad__quick-nav span {
    grid-row: 1 / 3;
    color: var(--sowa-ad-cyan-dark);
    font-size: 12px;
    font-weight: 900;
}

.sowa-ad__quick-nav b {
    font-size: 14px;
}

.sowa-ad__quick-nav small {
    color: var(--sowa-ad-muted);
    font-size: 11px;
}

.sowa-ad__section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 80px 30px;
}

.sowa-ad__box {
    max-width: 1240px;
    background: #fff;
    border: 1px solid var(--sowa-ad-line);
    border-radius: 32px;
    box-shadow: var(--sowa-ad-shadow);
}

.sowa-ad__heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.sowa-ad__heading h2 {
    margin: 7px 0 10px;
    font-size: clamp(30px, 4vw, 45px);
    line-height: 1.35;
    letter-spacing: -0.025em;
}

.sowa-ad__heading > p:not(.sowa-ad__kicker),
.sowa-ad__heading > div > p:not(.sowa-ad__kicker) {
    margin: 0;
    color: var(--sowa-ad-muted);
}

.sowa-ad__kicker {
    margin: 0;
}

.sowa-ad__heading--split {
    max-width: none;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 35px;
}

.sowa-ad__important {
    max-width: 370px;
    padding: 16px 18px;
    display: grid;
    gap: 3px;
    background: #fff9e8;
    border: 1px solid #f2d681;
    border-radius: 12px;
}

.sowa-ad__important b {
    color: #a06600;
    font-size: 12px;
}

.sowa-ad__important span {
    font-size: 13px;
    font-weight: 700;
}

.sowa-ad__search-panel {
    padding: 20px;
    display: flex;
    align-items: flex-end;
    gap: 20px;
    background: var(--sowa-ad-sky);
    border: 1px solid #cce7eb;
    border-radius: 18px;
}

.sowa-ad__search-panel label {
    flex: 1;
}

.sowa-ad__search-panel label > span {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 800;
}

.sowa-ad__search-panel input {
    width: 100%;
    height: 48px;
    padding: 0 15px;
    color: var(--sowa-ad-ink);
    background: #fff;
    border: 1px solid #b9d9df;
    border-radius: 10px;
    outline: none;
}

.sowa-ad__search-panel input:focus {
    border-color: var(--sowa-ad-blue);
    box-shadow: 0 0 0 3px rgba(41, 119, 223, 0.12);
}

.sowa-ad__rank-filters {
    display: flex;
    gap: 6px;
}

.sowa-ad__rank-filters button {
    min-width: 62px;
    height: 42px;
    color: #48677b;
    background: #fff;
    border: 1px solid #bad8dd;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.sowa-ad__rank-filters button.is-active {
    color: #fff;
    background: var(--sowa-ad-blue);
    border-color: var(--sowa-ad-blue);
}

.sowa-ad__table-wrap {
    margin-top: 16px;
    overflow-x: auto;
}

.sowa-ad table {
    width: 100%;
    border-collapse: collapse;
}

.sowa-ad__school-table th {
    padding: 12px 16px;
    color: #688092;
    background: #f5f9fa;
    font-size: 11px;
    text-align: left;
}

.sowa-ad__school-table td {
    padding: 15px 16px;
    border-bottom: 1px solid #e5eef0;
    font-size: 13px;
}

.sowa-ad__school-table tr:last-child td {
    border-bottom: 0;
}

.sowa-ad__school-table tbody tr:not(.sowa-ad__school-empty):hover {
    background: #f8fcfd;
}

.sowa-ad__school-empty td,
.sowa-ad__no-result {
    padding: 34px !important;
    color: var(--sowa-ad-muted);
    text-align: center;
}

.sowa-ad__no-result {
    margin: 0;
}

.sowa-ad__rank {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    color: #fff;
    border-radius: 9px;
    font-size: 15px;
    font-weight: 900;
}

.sowa-ad__rank--s {
    background: linear-gradient(145deg, #e68a31, #f5bb46);
}

.sowa-ad__rank--a {
    background: linear-gradient(145deg, #347fdf, #59a7ed);
}

.sowa-ad__rank--b {
    background: linear-gradient(145deg, #26a090, #52c3a8);
}

.sowa-ad__rank--c {
    background: linear-gradient(145deg, #728397, #9aabba);
}

.sowa-ad__availability {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
    white-space: nowrap;
}

.sowa-ad__availability--open {
    color: #167065;
    background: #e4f8f3;
}

.sowa-ad__availability--limited {
    color: #a35d13;
    background: #fff0dc;
}

.sowa-ad__availability--full {
    color: #58667a;
    background: #edf1f5;
}

.sowa-ad__price-section {
    margin-top: 70px;
}

.sowa-ad__price-table th,
.sowa-ad__price-table td {
    padding: 18px 14px;
    border-bottom: 1px solid #ddeaec;
    text-align: center;
}

.sowa-ad__price-table thead th {
    background: #eaf8fa;
    font-size: 13px;
}

.sowa-ad__price-table thead th:first-child {
    width: 130px;
    border-radius: 10px 0 0 0;
}

.sowa-ad__price-table thead th:last-child {
    border-radius: 0 10px 0 0;
}

.sowa-ad__price-table th span,
.sowa-ad__price-table th small,
.sowa-ad__price-table td small {
    display: block;
}

.sowa-ad__price-table th small {
    margin-top: 4px;
    color: var(--sowa-ad-muted);
    font-size: 10px;
}

.sowa-ad__price-table td:first-child {
    text-align: left;
}

.sowa-ad__price-table td:first-child .sowa-ad__rank {
    margin-right: 10px;
    vertical-align: middle;
}

.sowa-ad__price-table td:first-child small {
    display: inline;
    color: var(--sowa-ad-muted);
}

.sowa-ad__price-table td strong {
    font-size: 19px;
}

.sowa-ad__price-table td > small {
    margin-top: 3px;
    color: #718798;
    font-size: 10px;
}

.sowa-ad__price-notes {
    margin-top: 18px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sowa-ad__price-notes p {
    margin: 0;
    padding: 14px 16px;
    color: #566f81;
    background: #f6fafb;
    border-radius: 10px;
    font-size: 12px;
}

.sowa-ad__price-notes b {
    color: var(--sowa-ad-blue-dark);
}

.sowa-ad__placement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.sowa-ad__placement-grid article {
    padding: 24px;
    background: #fff;
    border: 1px solid var(--sowa-ad-line);
    border-radius: 19px;
    box-shadow: 0 12px 35px rgba(37, 83, 103, 0.08);
}

.sowa-ad__placement-grid article > span {
    color: var(--sowa-ad-cyan-dark);
    font-size: 11px;
    font-weight: 900;
}

.sowa-ad__placement-grid h3 {
    margin: 18px 0 5px;
    font-size: 17px;
}

.sowa-ad__placement-grid p {
    margin: 0;
    color: var(--sowa-ad-muted);
    font-size: 12px;
}

.sowa-ad__browser-mock {
    height: 145px;
    margin-top: 9px;
    padding: 12px;
    background: #eaf5f7;
    border: 1px solid #c8dee2;
    border-radius: 10px;
}

.sowa-ad__browser-mock i {
    width: 6px;
    height: 6px;
    display: inline-block;
    margin-right: 3px;
    background: #a8c1c8;
    border-radius: 50%;
}

.sowa-ad__browser-mock b,
.sowa-ad__browser-mock em {
    display: block;
}

.sowa-ad__browser-mock b {
    margin: 19px 7px 12px;
    font-size: 11px;
}

.sowa-ad__browser-mock em {
    margin: 0 7px;
    padding: 14px;
    color: #1c6988;
    background: #fff;
    border: 2px solid var(--sowa-ad-cyan);
    border-radius: 6px;
    font-size: 10px;
    font-style: normal;
    font-weight: 900;
    text-align: center;
}

.sowa-ad__season-section {
    margin-top: 40px;
    padding: 84px max(30px, calc((100vw - 1120px) / 2));
    color: #fff;
    background: linear-gradient(140deg, #174e83, #168e9f);
}

.sowa-ad__heading--light > p,
.sowa-ad__heading--light .sowa-ad__kicker {
    color: rgba(255, 255, 255, 0.82) !important;
}

.sowa-ad__season-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.sowa-ad__season-grid article {
    min-height: 350px;
    padding: 27px;
    display: flex;
    flex-direction: column;
    color: var(--sowa-ad-ink);
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 16px 45px rgba(0, 30, 60, 0.18);
}

.sowa-ad__season-grid article > small {
    color: var(--sowa-ad-blue);
    font-size: 12px;
    font-weight: 900;
}

.sowa-ad__season-grid h3 {
    margin: 12px 0 10px;
    font-size: 21px;
    line-height: 1.45;
}

.sowa-ad__season-grid article > p {
    margin: 0;
    color: var(--sowa-ad-muted);
    font-size: 13px;
}

.sowa-ad__season-grid article > div {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.sowa-ad__season-grid article > div span {
    padding: 4px 8px;
    color: #276579;
    background: #eaf7f8;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
}

.sowa-ad__season-grid article > b {
    margin-top: auto;
    padding-top: 18px;
    color: var(--sowa-ad-blue-dark);
    font-size: 13px;
}

.sowa-ad__season-grid .sowa-ad__season-featured {
    transform: translateY(-12px);
    box-shadow: 0 22px 60px rgba(0, 30, 60, 0.27);
}

.sowa-ad__season-featured label {
    align-self: flex-start;
    margin-top: -40px;
    margin-bottom: 14px;
    padding: 4px 10px;
    color: #603d00;
    background: var(--sowa-ad-yellow);
    border-radius: 6px;
    font-size: 10px;
    font-weight: 900;
}

.sowa-ad__schedule-note {
    margin: 20px 0 0;
    font-size: 11px;
    opacity: 0.82;
}

.sowa-ad__capacity {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 20px;
    color: #fff;
    background: var(--sowa-ad-blue);
    border-radius: 16px;
}

.sowa-ad__capacity strong {
    font-size: 18px;
    white-space: nowrap;
}

.sowa-ad__capacity span {
    padding-left: 18px;
    border-left: 1px solid rgba(255, 255, 255, 0.35);
    font-size: 11px;
}

.sowa-ad__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.sowa-ad__steps article {
    position: relative;
    padding: 24px 20px;
    background: #fff;
    border: 1px solid var(--sowa-ad-line);
    border-radius: 16px;
}

.sowa-ad__steps article:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 43%;
    right: -13px;
    z-index: 2;
    color: var(--sowa-ad-cyan-dark);
    font-weight: 900;
}

.sowa-ad__steps article > span {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--sowa-ad-cyan-dark);
    border-radius: 50%;
    font-size: 13px;
    font-weight: 900;
}

.sowa-ad__steps h3 {
    margin: 15px 0 5px;
    font-size: 15px;
}

.sowa-ad__steps p {
    margin: 0;
    color: var(--sowa-ad-muted);
    font-size: 11px;
}

.sowa-ad__rules {
    margin-top: 18px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.sowa-ad__rules article {
    padding: 22px;
    background: #edf9fa;
    border-left: 5px solid var(--sowa-ad-cyan);
    border-radius: 10px;
}

.sowa-ad__rules b,
.sowa-ad__rules strong {
    display: block;
}

.sowa-ad__rules b {
    color: var(--sowa-ad-cyan-dark);
    font-size: 11px;
}

.sowa-ad__rules strong {
    margin: 5px 0;
    font-size: 17px;
}

.sowa-ad__rules p {
    margin: 0;
    color: var(--sowa-ad-muted);
    font-size: 11px;
}

.sowa-ad__fineprint {
    margin: 16px 0 0;
    color: #6c7f8c;
    font-size: 11px;
}

.sowa-ad__faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.sowa-ad__faq-grid details {
    padding: 19px 21px;
    background: #fff;
    border: 1px solid var(--sowa-ad-line);
    border-radius: 12px;
}

.sowa-ad__faq-grid summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
}

.sowa-ad__faq-grid p {
    margin: 12px 0 0;
    color: var(--sowa-ad-muted);
    font-size: 12px;
}

.sowa-ad__contact {
    max-width: 1120px;
    margin: 30px auto 70px;
    padding: 42px 48px;
    display: grid;
    grid-template-columns: 110px 1fr auto;
    align-items: center;
    gap: 30px;
    color: #fff;
    background: linear-gradient(130deg, #1665be, #1aa9b3);
    border-radius: 26px;
    box-shadow: var(--sowa-ad-shadow);
}

.sowa-ad__contact img {
    width: 108px;
    height: 108px;
    object-fit: contain;
    background: #fff;
    border-radius: 50%;
}

.sowa-ad__contact > div > p {
    margin: 0;
    color: #b7f3f0;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.sowa-ad__contact h2 {
    margin: 7px 0 5px;
    font-size: 27px;
    line-height: 1.45;
}

.sowa-ad__contact > div > span {
    font-size: 12px;
    opacity: 0.82;
}

.sowa-ad__contact-actions {
    display: grid;
    gap: 10px;
    justify-items: center;
}

.sowa-ad__contact-actions > a:last-child {
    font-size: 12px;
    text-decoration: underline;
}

.sowa-ad__button--white {
    color: var(--sowa-ad-blue-dark) !important;
    background: #fff;
}

@media (max-width: 980px) {
    .sowa-ad__header nav {
        display: none;
    }

    .sowa-ad__hero {
        grid-template-columns: 1fr;
        padding-top: 55px;
        gap: 40px;
    }

    .sowa-ad__quick-nav {
        grid-template-columns: 1fr 1fr;
    }

    .sowa-ad__heading--split {
        align-items: flex-start;
        flex-direction: column;
    }

    .sowa-ad__important {
        max-width: 100%;
    }

    .sowa-ad__placement-grid,
    .sowa-ad__season-grid {
        grid-template-columns: 1fr;
    }

    .sowa-ad__season-grid article {
        min-height: 0;
    }

    .sowa-ad__season-grid .sowa-ad__season-featured {
        margin-top: 15px;
        transform: none;
    }

    .sowa-ad__steps {
        grid-template-columns: 1fr 1fr;
    }

    .sowa-ad__steps article:nth-child(2)::after {
        display: none;
    }

    .sowa-ad__contact {
        grid-template-columns: 90px 1fr;
        margin-right: 24px;
        margin-left: 24px;
    }

    .sowa-ad__contact-actions {
        grid-column: 1 / -1;
        justify-items: stretch;
    }
}

@media (max-width: 700px) {
    .sowa-ad__header {
        min-height: 64px;
        padding-right: 14px;
        padding-left: 14px;
    }

    .sowa-ad__brand img {
        width: 45px;
        height: 45px;
    }

    .sowa-ad__brand strong {
        font-size: 14px;
    }

    .sowa-ad__brand small {
        display: none;
    }

    .sowa-ad__header-button {
        padding: 8px 13px;
        font-size: 11px;
    }

    .sowa-ad__hero {
        min-height: 0;
        padding: 44px 21px 55px;
    }

    .sowa-ad__hero h1 {
        font-size: 39px;
    }

    .sowa-ad__lead {
        font-size: 14px;
    }

    .sowa-ad__hero-panel {
        padding: 25px 20px;
    }

    .sowa-ad__metrics strong {
        font-size: 16px;
    }

    .sowa-ad__metrics span {
        font-size: 8px;
    }

    .sowa-ad__quick-nav {
        margin-top: 0;
        padding-right: 14px;
        padding-left: 14px;
        gap: 8px;
    }

    .sowa-ad__quick-nav a {
        grid-template-columns: 25px 1fr;
        padding: 14px 10px;
    }

    .sowa-ad__section {
        padding: 58px 18px;
    }

    .sowa-ad__box {
        border-right: 0;
        border-left: 0;
        border-radius: 0;
    }

    .sowa-ad__search-panel {
        align-items: stretch;
        flex-direction: column;
    }

    .sowa-ad__rank-filters {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
    }

    .sowa-ad__rank-filters button {
        min-width: 0;
        padding: 0 5px;
        font-size: 10px;
    }

    .sowa-ad__school-table {
        min-width: 600px;
    }

    .sowa-ad__price-table {
        min-width: 770px;
    }

    .sowa-ad__price-notes,
    .sowa-ad__rules,
    .sowa-ad__faq-grid {
        grid-template-columns: 1fr;
    }

    .sowa-ad__season-section {
        padding-right: 18px;
        padding-left: 18px;
    }

    .sowa-ad__capacity {
        width: 100%;
    }

    .sowa-ad__steps {
        grid-template-columns: 1fr;
    }

    .sowa-ad__steps article::after {
        display: none !important;
    }

    .sowa-ad__contact {
        margin: 20px 14px 50px;
        padding: 28px 22px;
        grid-template-columns: 65px 1fr;
        gap: 16px;
        border-radius: 19px;
    }

    .sowa-ad__contact img {
        width: 65px;
        height: 65px;
    }

    .sowa-ad__contact h2 {
        font-size: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sowa-ad *,
    .sowa-ad *::before,
    .sowa-ad *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

/* ========================================
   実際の広告掲載イメージ
======================================== */

.sowa-ad__placement-section {
    position: relative;
}

.sowa-ad__placement-point {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 26px 0 18px;
    padding: 15px 18px;
    border: 1px solid rgba(19, 176, 196, 0.22);
    border-radius: 14px;
    background:
        linear-gradient(
            135deg,
            rgba(226, 249, 252, 0.95),
            rgba(247, 253, 255, 0.95)
        );
}

.sowa-ad__placement-point strong {
    color: #087f99;
    font-size: 1rem;
}

.sowa-ad__placement-point span {
    color: #56717a;
    font-size: 0.82rem;
}

.sowa-ad__placement-grid--real {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.sowa-ad__placement-card {
    position: relative;
    min-width: 0;
    overflow: hidden;
    border: 1px solid #dcebed;
    border-radius: 20px;
    background: #fff;
    box-shadow:
        0 12px 34px rgba(24, 88, 101, 0.09);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.sowa-ad__placement-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 17px 42px rgba(24, 88, 101, 0.14);
}

.sowa-ad__placement-card-head {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 18px 20px 15px;
}

.sowa-ad__placement-no {
    display: grid;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 14px;
    color: #fff;
    background:
        linear-gradient(135deg, #16b7d1, #41d3b6);
    box-shadow:
        0 7px 16px rgba(22, 183, 209, 0.22);
    font-size: 0.9rem;
    font-weight: 800;
}

.sowa-ad__placement-card-head p {
    margin: 0 0 3px;
    color: #13a4be;
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.sowa-ad__placement-card-head h3 {
    margin: 0;
    color: #20383f;
    font-size: 1.08rem;
    line-height: 1.45;
}

.sowa-ad__placement-preview {
    margin: 0 14px;
    overflow: hidden;
    border: 1px solid #d9e7e9;
    border-radius: 13px;
    background: #edf8fa;
    box-shadow:
        0 7px 20px rgba(32, 75, 85, 0.08);
}

.sowa-ad__browser-bar {
    display: flex;
    align-items: center;
    gap: 5px;
    height: 28px;
    padding: 0 10px;
    border-bottom: 1px solid #dce9eb;
    background: #fff;
}

.sowa-ad__browser-bar i {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.sowa-ad__browser-bar i:nth-child(1) {
    background: #ff8d80;
}

.sowa-ad__browser-bar i:nth-child(2) {
    background: #ffd367;
}

.sowa-ad__browser-bar i:nth-child(3) {
    background: #65d5ae;
}

.sowa-ad__browser-bar span {
    min-width: 0;
    margin-left: 5px;
    overflow: hidden;
    color: #849ba1;
    font-size: 0.62rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sowa-ad__placement-preview picture {
    display: block;
}

.sowa-ad__placement-preview img {
    display: block;
    width: 100%;
    height: 330px;
    object-fit: contain;
    object-position: top center;
    background: #edf8fa;
}

.sowa-ad__placement-card--sticky
.sowa-ad__placement-preview img {
    height: 300px;
}

.sowa-ad__placement-card--calculation
.sowa-ad__placement-preview img {
    height: 390px;
}

.sowa-ad__placement-body {
    padding: 18px 20px 21px;
}

.sowa-ad__placement-body p {
    margin: 12px 0 0;
    color: #536970;
    font-size: 0.9rem;
    line-height: 1.85;
}

.sowa-ad__placement-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.sowa-ad__placement-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 27px;
    padding: 4px 10px;
    border-radius: 999px;
    color: #087f99;
    background: #e8f9fc;
    font-size: 0.72rem;
    font-weight: 700;
}

.sowa-ad__placement-card--sticky
.sowa-ad__placement-tags span {
    color: #147d69;
    background: #e8f9f3;
}

.sowa-ad__placement-card--bottom
.sowa-ad__placement-tags span {
    color: #9b6816;
    background: #fff4df;
}

.sowa-ad__placement-card--calculation
.sowa-ad__placement-tags span {
    color: #7860b7;
    background: #f1edff;
}

.sowa-ad__placement-note {
    margin: 18px 2px 0;
    color: #71858b;
    font-size: 0.75rem;
    line-height: 1.7;
}

@media (max-width: 767px) {
    .sowa-ad__placement-point {
        display: block;
        padding: 14px 15px;
    }

    .sowa-ad__placement-point strong,
    .sowa-ad__placement-point span {
        display: block;
    }

    .sowa-ad__placement-point span {
        margin-top: 4px;
    }

    .sowa-ad__placement-grid--real {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sowa-ad__placement-card {
        border-radius: 17px;
    }

    .sowa-ad__placement-card-head {
        padding: 16px 15px 13px;
    }

    .sowa-ad__placement-no {
        flex-basis: 40px;
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }

    .sowa-ad__placement-card-head h3 {
        font-size: 1rem;
    }

    .sowa-ad__placement-preview {
        margin: 0 10px;
    }

    .sowa-ad__placement-preview img {
        height: 470px;
    }

    .sowa-ad__placement-card--sticky
    .sowa-ad__placement-preview img {
        height: 300px;
    }

    .sowa-ad__placement-card--calculation
    .sowa-ad__placement-preview img {
        height: 520px;
    }

    .sowa-ad__placement-body {
        padding: 16px 16px 19px;
    }

    .sowa-ad__placement-body p {
        font-size: 0.86rem;
        line-height: 1.8;
    }
}


.sowa-ad__placement-live {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 24px;
    padding: 20px 22px;
    border: 1px solid #bde5eb;
    border-radius: 16px;
    background: linear-gradient(135deg, #edfbfd, #fff);
}

.sowa-ad__placement-live strong {
    color: #087f99;
    font-size: 1rem;
}

.sowa-ad__placement-live p {
    margin: 5px 0 0;
    color: #587178;
    font-size: 0.86rem;
    line-height: 1.7;
}

.sowa-ad__placement-live a {
    flex-shrink: 0;
    padding: 11px 17px;
    border-radius: 10px;
    color: #fff;
    background: #10aeca;
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
}

.sowa-ad__placement-live a:hover {
    color: #fff;
    background: #078da7;
}

@media (max-width: 767px) {
    .sowa-ad__placement-live {
        display: block;
        padding: 18px;
    }

    .sowa-ad__placement-live a {
        display: block;
        margin-top: 14px;
        text-align: center;
    }
}

.sowa-ad__schedule-note {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.75rem;
    line-height: 1.7;
}

.sowa-ad__schedule-note p {
    margin: 3px 0;
}