@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-ext-400.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-400.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-ext-500.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-500.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-ext-600.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-600.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-ext-700.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-700.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-ext-800.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/plus-jakarta-sans-latin-800.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --bg: #0f1726;
  --header: #121d2e;
  --card: #182437;
  --raised: #1e2c42;
  --ink: #f3f6fc;
  --soft: #c0cad9;
  --muted: #8f9bae;
  --line: #304059;
  --primary: #7899ff;
  --primary-hover: #91aaff;
  --on-primary: #101827;
  --teal: #55c8ba;
  --teal-soft: #183e3d;
  --error: #f0a0a0;
  --footer: #0b1220;
  --footer-ink: #f3f6fc;
  --footer-muted: #9eabbe;
  --focus: #91aaff;
  color-scheme: dark;
}

body.light-theme {
  --bg: #faf9ff;
  --header: #ffffff;
  --card: #ffffff;
  --raised: #f1f3ff;
  --ink: #0f1b34;
  --soft: #434655;
  --muted: #747686;
  --line: #c4c5d8;
  --primary: #0040cf;
  --primary-hover: #0038b7;
  --on-primary: #ffffff;
  --teal: #006a62;
  --teal-soft: #84f5e8;
  --error: #ba1a1a;
  --footer: #24304a;
  --footer-ink: #edf0ff;
  --footer-muted: #d8e2ff;
  --focus: #0040cf;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 15px;
  line-height: 24px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.num, .score-value, .live-net span, .impact-rank, .year, .history-rank { font-variant-numeric: tabular-nums lining-nums; }

.calc-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: 64px;
  background: var(--header);
  border-bottom: 1px solid var(--line);
}
.calc-bar, .calc-wrap {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
}
.calc-bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand-row { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; min-width: 0; }
.brand img { width: 32px; height: 32px; object-fit: contain; }
.brand strong { font-size: 18px; line-height: 26px; font-weight: 700; letter-spacing: -0.005em; }
.brand strong span { color: var(--primary); }
.desktop-nav { display: none; align-items: center; gap: 4px; }
.desktop-nav a, .mobile-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 4px 16px;
  border-radius: 999px;
  color: var(--soft);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.desktop-nav a[aria-current="page"], .mobile-nav a[aria-current="page"] {
  background: var(--raised);
  color: var(--primary);
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .menu-btn, .header-link {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle { padding: 0 12px; color: var(--ink); font-size: 12px; font-weight: 600; }
.menu-btn { width: 44px; }
.header-link {
  display: none;
  gap: 6px;
  padding: 0 16px;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-color: transparent;
}
body:not(.light-theme) .header-link { color: #101827; background: var(--teal); }
.mobile-nav {
  display: none;
  position: absolute;
  left: 16px;
  right: 16px;
  top: 72px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.mobile-nav.is-open { display: grid; }
.mobile-nav a { display: flex; }

.calc-main { padding: 80px 0 48px; }
.calc-wrap { display: flex; flex-direction: column; gap: 24px; min-width: 0; }
.crumbs { display: flex; align-items: center; gap: 4px; color: var(--muted); font-size: 12px; font-weight: 600; }
.crumbs a { color: var(--soft); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.intro { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--raised);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
h1 { margin: 8px 0 0; font-size: 34px; line-height: 42px; font-weight: 800; letter-spacing: -0.02em; }
.intro p, .sheet p, .method p, .notice p { margin: 8px 0 0; color: var(--soft); font-size: 15px; line-height: 24px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px; }
.trust span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--soft);
  font-size: 11px;
  font-weight: 700;
}
.trust span:first-child { color: var(--teal); }

.workspace {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  min-width: 0;
}
.form-col, .summary-col, .sheet, .result, .history-card { min-width: 0; max-width: 100%; }
.sheet, .summary-card, .score-card, .years, .history-card, .impact-card, .share-card, .download-card, .trial-card, .smart-card, .chart-card, .faq-item, .guide-item, .feedback-box, .method, .notice {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.sheet, .summary-card { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.sheet-head, .section-top, .card-top, .impact-top, .history-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.sheet-title { display: flex; align-items: center; gap: 8px; min-width: 0; }
.step {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 12px;
  font-weight: 700;
  flex: 0 0 auto;
}
.step.quiet { background: var(--raised); color: var(--soft); }
h2, h3, .panel-title, .section-title, .card-title, .history-title, .impact-title { margin: 0; color: var(--ink); font-weight: 600; }
h2, .panel-title { font-size: 16px; line-height: 24px; }
h3, .section-title, .card-title, .history-title, .impact-title { font-size: 16px; line-height: 24px; }
.sheet-head p, .card-subtitle, .history-subtitle, .impact-subtitle, .panel-subtitle { margin: 0; color: var(--muted); font-size: 13px; line-height: 20px; }
.chip {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--raised);
  border: 1px solid var(--line);
  color: var(--soft);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.choice, .tab-scroller {
  display: flex;
  gap: 4px;
  max-width: 100%;
  padding: 4px;
  border-radius: 8px;
  background: var(--raised);
  border: 1px solid var(--line);
}
.tab-scroller { overflow-x: auto; }
.choice { width: min(100%, 28rem); }
.field-tab, .choice button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--soft);
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.field-tab.is-on, .choice button.is-on {
  background: var(--card);
  color: var(--primary);
}

.obp-grid, .form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  min-width: 0;
}
label { display: block; margin-bottom: 6px; color: var(--soft); font-size: 11px; font-weight: 700; letter-spacing: 0.04em; }
input, select, textarea {
  width: 100%;
  max-width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--raised);
  color: var(--ink);
  padding: 8px 12px;
  font-size: 16px;
  font-weight: 600;
}
textarea { min-height: 116px; font-weight: 500; font-size: 15px; }
input:focus, select:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}
.metric-box {
  min-height: 72px;
  padding: 16px;
  border-radius: 8px;
  background: var(--raised);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.metric-box span { color: var(--muted); font-size: 11px; font-weight: 700; }
.metric-box strong { color: var(--primary); font-size: 22px; line-height: 30px; font-weight: 700; }
.metric-box.teal strong { color: var(--teal); }
.break-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 8px;
  background: var(--raised);
  border: 1px solid var(--line);
}
.break-note select { max-width: 220px; }

.net-table-head, .lesson-row {
  display: grid;
  grid-template-columns: minmax(7.5rem, 0.85fr) minmax(9.75rem, 1fr) minmax(9.75rem, 1fr) minmax(4.25rem, 0.38fr);
  gap: 12px;
  align-items: center;
  min-width: 0;
}
.net-table-head {
  padding: 8px;
  border-radius: 8px;
  background: var(--raised);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.net-table-head span:nth-child(2),
.net-table-head span:nth-child(3) { text-align: center; }
.net-table-head span:nth-child(4) { text-align: right; }
.lesson-grid { display: flex; flex-direction: column; min-width: 0; }
.lesson-row {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.lesson-name { font-size: 15px; font-weight: 600; color: var(--ink); min-width: 0; }
.lesson-max { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; font-weight: 600; }
.number-control {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.number-control label { font-size: 11px; margin-bottom: 0; }
.easy-number-control {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  min-width: 0;
}
.easy-number-btn {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font-size: 20px;
  padding: 0;
}
.easy-number-control input {
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  max-width: 100%;
  text-align: center;
  padding: 0 4px;
}
.live-net {
  text-align: right;
  background: transparent !important;
  border: 0 !important;
  color: var(--primary) !important;
  font-size: 12px;
  font-weight: 700;
}
.live-net span {
  display: block;
  color: var(--primary) !important;
  font-size: 18px;
  line-height: 26px;
  font-weight: 700;
}

.summary-col { display: flex; flex-direction: column; gap: 16px; }
.summary-row, .net-item, .history-item, .impact-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-width: 0;
}
.summary-row { color: var(--soft); font-size: 13px; padding: 4px 0; }
.summary-row b { color: var(--ink); }
.summary-row b.primary { color: var(--primary); }
.summary-row b.teal { color: var(--teal); }
.grand {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-radius: 8px;
  background: var(--raised);
}
.grand strong { font-size: 32px; line-height: 38px; letter-spacing: -0.02em; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-primary, .download-btn, .feedback-btn, .share-btn.primary, .trial-save-btn {
  min-height: 52px;
  width: 100%;
  border: 0;
  border-radius: 12px;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 18px;
  line-height: 26px;
  font-weight: 700;
}
.btn-primary:hover, .download-btn:hover, .share-btn.primary:hover { background: var(--primary-hover); }
.btn-ghost, .history-btn, .trial-btn, .share-btn.secondary, .history-clear {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--soft);
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
}
.fine { margin: 0; text-align: center; color: var(--muted); font-size: 13px; line-height: 20px; }
.mini-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-radius: 12px;
  background: var(--footer);
  color: var(--footer-ink);
  text-decoration: none;
}
.mini-link span { color: var(--footer-muted); font-size: 13px; }
.mini-link b {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
  background: var(--header);
  color: var(--ink);
}

#resultsSection, #historySection, #yontem, #sss { scroll-margin-top: 80px; }
.result:empty { display: none; }
.score-grid, .impact-list, .history-list, .guide-list, .faq-list, .smart-grid, .net-cloud {
  display: grid;
  gap: 12px;
  min-width: 0;
}
.score-card, .years, .impact-card, .share-card, .download-card, .trial-card, .smart-card, .chart-card, .history-card, .method, .notice, .faq-item, .guide-item, .feedback-box { padding: 16px; }
.score-card.primary { background: var(--raised); }
.score-label { color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: 0.02em; }
.score-value { margin-top: 4px; font-size: 34px; line-height: 42px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }
.score-card:nth-child(2) .score-value, .score-note span { color: var(--primary); }
.score-note, .result-empty, .footer-note, .year-detail, .history-meta, .impact-detail, .faq-answer, .feedback-text, .guide-item span, .seo-content p, .smart-desc, .trial-meta {
  color: var(--soft);
  font-size: 13px;
  line-height: 20px;
}
.year-row, .impact-item, .history-item, .net-item, .smart-box, .trust-box, .target-analysis-item {
  padding: 16px;
  border-radius: 12px;
  background: var(--raised);
  border: 1px solid var(--line);
}
.year { color: var(--primary); font-weight: 700; }
.impact-rank { color: var(--teal); font-size: 18px; font-weight: 700; text-align: right; }
.impact-right { min-width: 0; text-align: right; }
.chart-svg { width: 100%; max-width: 100%; height: auto; display: block; }
.chart-axis-text { fill: var(--muted); font-size: 11px; }
.chart-grid-line { stroke: var(--line); }
.chart-line { fill: none; stroke: var(--primary); stroke-width: 3; }
.chart-area { fill: var(--raised); }
.chart-point { fill: var(--card); stroke: var(--primary); stroke-width: 3; }
.section-tag, .badge-small, .impact-badge {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--raised);
  color: var(--primary);
  border: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
}
.method-grid, .trust-grid { display: grid; gap: 12px; }
.method h3 { margin-bottom: 4px; }
.method a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.method-source { margin-top: 16px; }
.notice { background: var(--raised); }
.faq-question {
  width: 100%;
  min-height: 44px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font-size: 15px;
  font-weight: 600;
}
.faq-answer { display: none; margin-top: 8px; }
.faq-item.is-open .faq-answer, .faq-item.open .faq-answer { display: block; }
.guide-item { display: grid; gap: 4px; text-decoration: none; }
.guide-item strong { color: var(--ink); }
.site-footer { background: var(--footer); color: var(--footer-muted); padding: 40px 0; }
.footer-grid { display: grid; gap: 24px; }
.site-footer strong, .site-footer h3 { color: var(--footer-ink); }
.site-footer a { color: var(--footer-ink); text-decoration: none; display: inline-flex; min-height: 44px; align-items: center; }
.site-footer-links, .footer-links { display: flex; flex-direction: column; }
.suggestion-box {
  position: absolute;
  z-index: 30;
  left: 0;
  right: 0;
  max-height: 240px;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.target-suggest-wrapper { position: relative; }
.suggestion-item { width: 100%; min-height: 44px; text-align: left; border: 0; background: transparent; color: var(--ink); }
.error { padding: 16px; border-radius: 12px; background: var(--raised); color: var(--error); border: 1px solid var(--line); }
.share-copy-note { display: none; color: var(--teal); font-size: 13px; }
.target-analysis-card { margin-top: 16px; padding: 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); }
.target-analysis-good { color: var(--teal); }
.target-analysis-warn { color: var(--error); }

@media (min-width: 640px) {
  .header-link { display: inline-flex; }
  .obp-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 48px; line-height: 56px; letter-spacing: -0.025em; }
  .score-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .net-cloud, .smart-grid, .method-grid, .trust-grid, .impact-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 768px) {
  .calc-bar, .calc-wrap { width: min(1280px, calc(100% - 64px)); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .lesson-row .number-control > label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}
@media (min-width: 1024px) {
  .desktop-nav { display: flex; }
  .menu-btn { display: none; }
  .workspace { grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr); }
  .summary-col { position: sticky; top: 80px; }
}
@media (max-width: 767px) {
  .sheet, .summary-card { padding: 16px; }
  .net-table-head { display: none; }
  .lesson-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
  .lesson-name, .live-net { grid-column: 1 / -1; }
  .live-net { text-align: left; }
  .summary-row, .grand { flex-wrap: wrap; }
}
@media (max-width: 389px) {
  .lesson-row { grid-template-columns: minmax(0, 1fr); }
  .lesson-row .number-control { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
  .impact-item, .history-item, .year-row { align-items: flex-start; flex-direction: column; }
  .impact-right { text-align: left; }
  .score-value { font-size: 34px; line-height: 42px; }
  .break-note { flex-direction: column; }
  .break-note select { max-width: none; }
}