section {
    width: 100vw;
    margin: 0;
    padding: 80px 0;
}

#top, #feature, #support, #courses, #contact {
    scroll-margin-top: var(--nav-h);
}

.hero {
    display: block;
    padding: 0;
    background: none;
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    margin-top: calc(var(--nav-h) * -1);
}

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

#about {
    padding: 0;
}

#about img {
    display: block;
    width: 100%;
    height: auto;
}

#feature {
    padding: 0;
}

#feature img {
    display: block;
    width: 100%;
    height: auto;
}

#support {
    padding: 0;
}

#support img {
    display: block;
    width: 100%;
    height: auto;
}

#event {
    padding: 0;
}

#event img {
    display: block;
    width: 100%;
    height: auto;
}

#courses {
    padding: 0;
}

#courses img {
    display: block;
    width: 100%;
    height: auto;
}

#greeting {
    padding: 0;
}

#greeting img {
    display: block;
    width: 100%;
    height: auto;
}

#company {
    padding: 0;
}

#company img {
    display: block;
    width: 100%;
    height: auto;
}

.gmap {
    width: min(870px, 90%);
    margin: 0 auto;
}

.gmap iframe {
    display: block;
    width: 100%;
    height: 600px;
    border: 0;
}

#contact {
    padding: 0;
}

#contact img {
    display: block;
    width: 100%;
    height: auto;
}

.kv {
    position: relative;
    width: 100vw;
    margin: 0;
    overflow: hidden;
}

.kv-bg {
    display: block;
    width: 100%;
    height: auto;
    pointer-events: none;
}

.btn {
    z-index: 1;
    position: absolute;
    left: var(--x);
    top: var(--btn-y);
    width: var(--btn-w);
    display: block;
}

.btn img {
    width: 95%;
    height: auto;
    display: block;
}

.btn:focus-visible {
    outline: 3px solid #000;
    outline-offset: 2px;
}

@media (max-width:480px) {
    .btn {
        z-index: 1;
        min-height: 44px;
    }
}

.contact-form-wrap {
    width: min(1100px, 92%);
    margin: 0 auto 40px;
    background: #f7f6f6;
    border: 1px solid rgba(2,6,23,.08);
    border-radius: 20px;
    padding: 50px 30px;
}

.form-head {
    width: min(1000px, 90%);
    margin: 0 auto 14px;
}

.form-title {
    margin: 0 0 8px;
    font-size: clamp(18px, 2.2vw, 24px);
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-title::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 1.2em;
    background: #16a34a;
    border-radius: 4px;
}

.form-lead {
    margin: 16px 0 16px;
    color: #334155;
}

.contact-form {
    display: grid;
    gap: 14px;
    width: min(900px, 88%);
    margin: 0 auto;
}

.form-field label {
    font-weight: 400;
    display: block;
    margin: 4px 0 6px;
}

.form-field .req {
    color: #dc2626;
    margin-left: 4px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border: 1px solid rgba(2,6,23,.15);
    font: inherit;
    background: #f1f1f1;
}

.form-field textarea {
    resize: vertical;
}

.form-field {
    display: grid;
    grid-template-columns: 200px 1fr;
    align-items: center;
    gap: 12px;
}

.form-field label {
    margin: 0;
}

@media (max-width: 640px) {
    .form-field {
        grid-template-columns: 1fr;
    }

    .form-field label {
        margin: 4px 0 6px;
    }
}

.policy-wrap,
.agree-field,
.actions {
    width: min(720px, 80%);
    margin-left: auto;
    margin-right: auto;
}

.policy-wrap {
    margin-top: 40px;
}

.policy-lead {
    margin: 0 0 8px;
    font-size: 14px;
    color: #334155;
}

.policy-box {
    background: #f1f1f1;
    border: 1px solid rgba(2,6,23,.08);
    padding: 12px;
    max-height: 300px;
    overflow: auto;
    font-size: 14px;
    line-height: 1.7;
    text-align: left;
}

.policy-lead {
    text-align: center;
}

.policy-lead strong{
    color: #6fa0d3;
}

.agree-field,
.actions {
    text-align: center;
}

.agree-field .agree-label {
    margin: 0 auto;
}

.agree-field {
    margin-top: 8px;
}

.agree-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.agree-label .req {
    color: #dc2626;
}

.actions {
    margin-top: 8px;
}

.btn-submit {
    width: 200px;
    display: inline-block;
    padding: 12px 20px;
    color: #16a34a;
    font-weight: 700;
    border: 1px solid #16a34a;
    border-radius: 999px;
    cursor: pointer;
    transition: transform .08s ease, box-shadow .15s ease, opacity .15s ease;
    box-shadow: 0 6px 16px rgba(22,163,74,.25);
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(22,163,74,.28);
}

.btn-submit:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(22,163,74,.22);
}

@media (max-width: 640px) {
    .contact-form-wrap {
        padding: 18px;
        border-radius: 16px;
    }
}