:root { color-scheme: light; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #17232b; background: #fff; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.55; }
.topbar { min-height: 80px; padding: 0 6%; border-bottom: 1px solid #e6e9ec; display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 750; font-size: 21px; letter-spacing: -.7px; }
main { max-width: 640px; margin: 64px auto; padding: 0 24px; }
h1 { font-size: clamp(29px, 5vw, 36px); line-height: 1.2; letter-spacing: -1px; margin: 0 0 16px; font-weight: 650; }
.intro { color: #5c6872; font-size: 17px; margin: 0 0 32px; }
.main-form { display: flex; flex-direction: column; gap: 10px; }
label { font-size: 14px; font-weight: 650; margin-top: 12px; }
input, select, button { font: inherit; }
input, select { min-width: 0; width: 100%; border: 1px solid #cbd2d8; border-radius: 6px; min-height: 48px; padding: 10px 12px; background: #fff; color: #17232b; }
input[type=file] { padding: 14px; background: #f7f9fa; font-size: 14px; }
input::file-selector-button { border: 1px solid #cbd2d8; border-radius: 4px; padding: 7px 11px; background: white; margin-right: 12px; font: inherit; cursor: pointer; }
.hint { margin: 0; color: #5c6872; font-size: 13px; }
button { cursor: pointer; border: 0; border-radius: 6px; min-height: 48px; padding: 12px 20px; background: #165b50; color: #fff; font-weight: 600; margin-top: 18px; align-self: flex-start; }
button:hover { background: #104b41; }
:focus-visible { outline: 3px solid #87b7f5; outline-offset: 3px; }
.text-button { background: transparent; color: #52616b; margin: 0; padding: 8px 0; font-size: 14px; }
.text-button:hover { background: transparent; color: #165b50; }
.lifecycle { border-top: 1px solid #e6e9ec; padding-top: 24px; margin-top: 40px; }
h2 { font-size: 15px; font-weight: 650; margin: 0 0 10px; }
.lifecycle p { font-size: 14px; color: #5c6872; margin: 8px 0; }
.notice { padding: 18px 20px; border-left: 3px solid; margin-bottom: 24px; border-radius: 3px; overflow-wrap: anywhere; }
.notice p { margin: 8px 0 0; font-size: 14px; }
.success { background: #edf7f1; border-color: #247454; color: #174e39; }
.error { background: #fff2f0; border-color: #bb4739; color: #853a30; }
footer { max-width: 640px; margin: 0 auto 32px; padding: 0 24px; font-size: 12px; color: #707b83; }
@media (max-width: 540px) { .topbar { min-height: 64px; padding: 0 24px; } main { margin: 40px auto; } .main-form button { width: 100%; } input::file-selector-button { display: block; margin-bottom: 10px; } }