* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
  }
  html, body {
    margin: 0;
    padding: 0;
    background: #0a0e0d;
    color: #e0fff8;
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
    overscroll-behavior-x: none;
    overscroll-behavior-y: auto;
    overflow-y: auto;
  }
  body {
    min-height: 100vh;
    padding-bottom: 76px;
  }
  .app {
    max-width: 480px;
    margin: 0 auto;
    padding: calc(22px + env(safe-area-inset-top)) 14px 14px;
  }
  .header {
    text-align: center;
    padding: 8px 0 14px;
    border-bottom: 1px solid #0c3d3a;
    margin-bottom: 14px;
  }
  .header h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #00ffd5;
    text-shadow: 0 0 8px #00ffd560, 0 0 16px #00ffd530;
  }
  .header .sub {
    margin-top: 2px;
    font-size: 11px;
    color: #4ad9c2;
    letter-spacing: 1px;
  }
  .home-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    text-align: left;
    padding: 18px 98px 18px 2px;
    margin-bottom: 88px;
  }
  .home-header-icon {
    width: 58px;
    height: 58px;
    flex: 0 0 auto;
    border-radius: 14px;
    display: block;
    box-shadow: 0 0 16px #00ff8840;
  }
  .home-header-copy {
    min-width: 0;
  }
  .home-header h1 {
    font-size: 28px;
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: 0;
    color: #f2fff9;
    text-shadow: none;
  }
  .home-header .sub {
    margin-top: 5px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.4px;
    color: #86ffb8;
  }
  .customize-button {
    position: absolute;
    top: 22px;
    right: 2px;
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    gap: 5px;
    border: 1px solid #00ffd540;
    border-radius: 8px;
    background: #0c1f1d;
    color: #00ffd5;
    font-size: 11px;
    font-weight: 900;
    line-height: 1;
    padding: 9px 10px;
  }
  .customize-button span:first-child {
    font-size: 15px;
  }
  .modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: grid;
    place-items: end center;
    padding: 18px 12px calc(18px + env(safe-area-inset-bottom));
    background: rgba(0, 0, 0, 0.62);
  }
  .modal-backdrop[hidden] {
    display: none;
  }
  .modal-panel {
    width: min(100%, 480px);
    max-height: min(82vh, 680px);
    overflow: auto;
    border: 1px solid #00ffd540;
    border-radius: 14px;
    background: #0a1715;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
    padding: 14px;
  }
  .modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #0c3d3a;
  }
  .modal-head h2 {
    margin: 4px 0 0;
    color: #00ffd5;
    font-size: 20px;
  }
  .icon-button {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid #00ffd540;
    border-radius: 8px;
    background: #0c1f1d;
    color: #e0fff8;
    font-size: 22px;
    font-weight: 900;
    line-height: 1;
  }
  .customize-list {
    display: grid;
    gap: 8px;
    margin-top: 13px;
  }
  .customize-option {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 10px;
    min-height: 52px;
    border: 1px solid #00ffd530;
    border-radius: 10px;
    background: #061613;
    padding: 10px;
    touch-action: none;
    user-select: none;
    transition: opacity .16s ease, transform .16s ease, border-color .16s ease;
  }
  .customize-option.is-dragging {
    border-color: #00ffd5;
    opacity: 0.55;
    transform: scale(0.985);
  }
  .drag-handle {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid #00ffd540;
    border-radius: 8px;
    background: #0c1f1d;
    color: #00ffd5;
    font-size: 18px;
    font-weight: 900;
    line-height: 1;
    cursor: grab;
  }
  .customize-option.is-dragging .drag-handle {
    cursor: grabbing;
  }
  .customize-option input {
    width: 22px;
    height: 22px;
    margin: 0;
    accent-color: #00ffd5;
  }
  .customize-option strong {
    display: block;
    color: #e0fff8;
    font-size: 14px;
    line-height: 1.25;
  }
  .customize-option small {
    display: block;
    margin-top: 2px;
    color: #4ad9c2;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.3;
  }
  .customize-option.is-unavailable {
    opacity: 0.52;
  }
  .customize-notice {
    min-height: 18px;
    margin: 10px 2px 0;
    color: #ffd266;
    font-size: 11px;
    font-weight: 800;
    line-height: 1.45;
  }
  .top-edit-row {
    display: flex;
    justify-content: flex-end;
    margin: 0 0 10px;
  }
  .top-edit-row .customize-button {
    position: static;
    min-height: 44px;
    padding: 10px 14px;
    border-color: rgba(125, 255, 178, 0.56);
    background: rgba(12, 31, 29, 0.96);
    color: #9dffc8;
    font-size: 13px;
  }
  .customize-help {
    margin: 10px 2px 0;
    color: #b9cbc2;
    font-size: 12px;
    line-height: 1.55;
  }
  .customize-slot {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    gap: 7px 8px;
    min-height: 82px;
    border: 1px solid rgba(125, 255, 178, 0.34);
    border-radius: 9px;
    background: linear-gradient(180deg, rgba(8, 29, 23, 0.98), rgba(4, 20, 16, 0.98));
    padding: 8px 9px 9px;
  }
  .customize-slot-number {
    grid-column: 1 / -1;
    color: #ffd166;
    font-size: 12px;
    font-weight: 900;
    line-height: 1;
  }
  .customize-tool-picker {
    position: relative;
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(125, 255, 178, 0.52);
    border-radius: 7px;
    background: #0c1f1d;
    padding: 0 10px 0 12px;
    cursor: pointer;
  }
  .customize-tool-name {
    min-width: 0;
    overflow: hidden;
    color: #effaf5;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .customize-change {
    flex: 0 0 auto;
    color: #8dffbd;
    font-size: 11px;
    font-weight: 900;
    white-space: nowrap;
  }
  .customize-change b {
    font-size: 20px;
    line-height: 0;
    vertical-align: -2px;
  }
  .customize-tool-picker select {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
  }
  .customize-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
  }
  .customize-actions button {
    min-height: 46px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 900;
  }
  .customize-reset {
    border: 1px solid rgba(255, 209, 102, 0.42);
    background: transparent;
    color: #ffd166;
  }
  .customize-save {
    border: 1px solid #29ff99;
    background: #1dff92;
    color: #07100d;
  }
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .back-btn {
    display: inline-block;
    position: relative;
    background: #0c1f1d;
    color: #00ffd5;
    border: 1px solid #008c7a;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 14px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  .back-btn::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: max(100%, 44px);
    height: max(100%, 44px);
    transform: translate(-50%, -50%);
  }
  .back-btn:active { background: #103631; }

  .reset-btn {
    display: inline-block;
    background: #2a0e0e;
    color: #ff7a7a;
    border: 1px solid #ff7a7a55;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    margin-left: 8px;
    vertical-align: middle;
  }
  .reset-btn:active { background: #3a1010; }

  .home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .home-tools[hidden] {
    display: none;
  }
  .home-btn {
    background: linear-gradient(160deg, #0d2926, #061613);
    border: 1px solid #00ffd540;
    color: #e0fff8;
    border-radius: 14px;
    padding: 22px 8px;
    text-align: center;
    cursor: pointer;
    box-shadow: inset 0 0 12px #00ffd510, 0 2px 6px #000;
    transition: transform .08s;
  }
  .home-btn:active {
    transform: scale(0.97);
    background: #103631;
  }
  .home-btn .ico {
    display: block;
    margin-bottom: 6px;
  }
  .home-svg {
    width: 44px;
    height: 44px;
    display: block;
    margin: 0 auto 8px;
  }
  .home-svg * {
    stroke: #00ffd5;
    stroke-width: 8;
    fill: none;
    stroke-linecap: square;
    stroke-linejoin: miter;
  }
  .home-btn .label {
    font-size: 14px;
    font-weight: 700;
    color: #00ffd5;
    letter-spacing: 1px;
  }
  .home-btn .num {
    display: block;
    font-size: 10px;
    color: #4ad9c2;
    margin-bottom: 4px;
  }
  @media (max-width: 360px) {
    .home-header {
      padding-right: 82px;
    }
    .customize-button {
      padding-inline: 8px;
    }
  }

  .privacy-link {
    display: block;
    width: fit-content;
    margin: 18px auto 0;
    padding: 8px 10px;
    background: transparent;
    border: 0;
    color: #4ad9c2;
    font-size: 12px;
    font-weight: 700;
    text-decoration: underline;
    cursor: pointer;
  }

  .privacy-link:active {
    color: #00ffd5;
  }

  .screen { display: none; }
  .screen.active { display: block; }
  #home {
    position: relative;
    isolation: isolate;
  }
  #home::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background-image:
      linear-gradient(rgba(92, 132, 112, 0.075) 1px, transparent 1px),
      linear-gradient(90deg, rgba(92, 132, 112, 0.075) 1px, transparent 1px);
    background-size: 17px 17px;
    background-position: 8px 10px;
    opacity: 0.8;
  }

  .screen h2 {
    color: #00ffd5;
    font-size: 18px;
    margin: 0 0 12px 0;
    text-shadow: 0 0 6px #00ffd540;
    border-left: 4px solid #00ff88;
    padding-left: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .input-row {
    margin-bottom: 10px;
  }
  .input-row label {
    display: block;
    font-size: 13px;
    color: #4ad9c2;
    margin-bottom: 4px;
    font-weight: 600;
  }
  .input-row input {
    width: 100%;
    background: #061613;
    border: 1px solid #008c7a;
    color: #00ffd5;
    padding: 12px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    -webkit-appearance: none;
  }
  .input-row input:focus {
    outline: none;
    border-color: #00ffd5;
    box-shadow: 0 0 0 2px #00ffd530;
  }
  .b-badge {
    display: inline-block;
    font-size: 10px;
    margin-left: 6px;
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid #ffd26688;
    color: #ffd266;
    font-weight: 700;
    letter-spacing: 0.5px;
    vertical-align: middle;
  }
  .b-badge.manual {
    color: #ff7eb0;
    border-color: #ff7eb088;
  }

  .result-box {
    background: #061613;
    border: 1px solid #00ff8855;
    border-radius: 12px;
    padding: 14px;
    margin-top: 14px;
    box-shadow: inset 0 0 12px #00ff8810;
  }
  .result-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 8px 0;
    border-bottom: 1px dashed #0c3d3a;
  }
  .result-row:last-child { border-bottom: none; }
  .result-row .lbl {
    font-size: 13px;
    color: #4ad9c2;
  }
  .result-row .val {
    font-size: 22px;
    font-weight: 800;
    color: #00ff88;
    text-shadow: 0 0 8px #00ff8850;
    font-family: "SF Mono", Menlo, monospace;
  }
  .slope-mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 0 0 12px;
  }
  .slope-mode-tabs .mode-tab {
    min-height: 44px;
    background: #102e2a;
    border: 1px solid #00ffd540;
    color: #e0fff8;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
  }
  .slope-mode-tabs .mode-tab.active {
    background: #00cc88;
    border-color: #00ff88;
    color: #001613;
  }
  .slope-primary-result .val {
    font-size: 28px;
  }
  .angle-height-block {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(123, 151, 139, 0.34);
  }
  .angle-height-block h3 {
    margin: 0 0 8px;
    color: #f6fff9;
    font-size: 16px;
    letter-spacing: 0;
  }
  .angle-height-desc {
    margin: 0 0 12px;
    color: #9bb2a8;
    font-size: 12px;
    line-height: 1.6;
  }
  .angle-height-result-box {
    margin-top: 10px;
  }
  .angle-height-primary .val {
    font-size: 28px;
  }
  .angle-height-message {
    min-height: 1.5em;
  }
  .note {
    font-size: 11px;
    color: #6a8a85;
    margin-top: 8px;
    line-height: 1.5;
  }

  .calc-display {
    background: #061613;
    border: 1px solid #008c7a;
    border-radius: 10px;
    padding: 16px;
    text-align: right;
    font-size: 36px;
    font-weight: 800;
    color: #00ffd5;
    text-shadow: 0 0 8px #00ffd540;
    margin-bottom: 10px;
    word-break: break-all;
    min-height: 64px;
    font-family: "SF Mono", Menlo, monospace;
  }
  .calc-sub {
    font-size: 14px;
    color: #4ad9c2;
    min-height: 18px;
    text-align: right;
    margin-top: -6px;
    margin-bottom: 6px;
  }
  .calc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }
  .calc-btn {
    aspect-ratio: 1 / 0.85;
    background: #102e2a;
    border: 1px solid #00ffd530;
    color: #e0fff8;
    border-radius: 12px;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
  }
  .calc-btn:active {
    background: #1a4540;
    transform: scale(0.96);
  }
  .calc-btn.op {
    background: #0a2622;
    color: #00ffd5;
    border-color: #00ffd580;
  }
  .calc-btn.eq {
    background: linear-gradient(160deg, #00cc88, #008855);
    color: #001613;
    border-color: #00ff88;
    font-weight: 900;
  }
  .calc-btn.zero {
    grid-column: span 2;
    aspect-ratio: auto;
  }
  .calc-btn.fn {
    background: #40504a;
    color: #f4fffb;
    border-color: #8ca096;
  }

  .table-list {
    background: #061613;
    border: 1px solid #00ff8855;
    border-radius: 12px;
    padding: 6px 12px;
  }
  .table-list .row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 12px 0;
    border-bottom: 1px dashed #0c3d3a;
  }
  .table-list .row:last-child { border-bottom: none; }
  .table-list .row .name {
    font-size: 15px;
    color: #e0fff8;
    font-weight: 600;
  }
  .table-list .row .val {
    font-size: 18px;
    color: #00ff88;
    font-weight: 800;
    font-family: "SF Mono", Menlo, monospace;
  }
  .table-list .row .desc {
    font-size: 12px;
    color: #6a8a85;
    margin-top: 2px;
  }

  .wall-fig, .slope-fig {
    background: #0a1f1c;
    border: 1px solid #00ffd540;
    border-radius: 12px;
    padding: 14px;
    text-align: center;
    margin: 14px 0;
  }
  .wall-fig svg, .slope-fig svg {
    max-width: 100%;
    height: auto;
  }

  .sepa-box {
    background: #061613;
    border: 1px solid #00ffd540;
    border-radius: 10px;
    padding: 8px 12px;
    margin-top: 10px;
  }
  .sepa-box .sepa-title {
    color: #4ad9c2;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
  }
  .sepa-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    align-items: baseline;
  }
  .sepa-row {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    padding: 0;
    border: none;
  }
  .sepa-row .lbl {
    font-size: 12px;
    font-weight: 600;
  }
  .sepa-row .val {
    font-size: 19px;
    font-weight: 500;
    color: #cfeee8;
    font-family: "SF Mono", Menlo, monospace;
    letter-spacing: 0.3px;
  }
  .sepa-row.h1 .lbl { color: #ff7eb0; }
  .sepa-row.h2 .lbl { color: #ffb968; }
  .sepa-row.h3 .lbl { color: #7ae6ff; }

  .vol-box {
    background: #061613;
    border: 1px solid #00ff8855;
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: 10px;
  }
  .vol-box .vol-title {
    font-size: 12px;
    color: #4ad9c2;
    font-weight: 700;
    margin-bottom: 4px;
  }
  .vol-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 4px 0;
  }
  .vol-row .lbl {
    font-size: 12px;
    color: #6a8a85;
  }
  .vol-row .val {
    font-size: 16px;
    color: #00ff88;
    font-weight: 700;
    font-family: "SF Mono", Menlo, monospace;
  }

  .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }


/* ===== Daylight field UI refresh ===== */
  html, body {
    overflow-x: hidden;
    background: #202523;
    color: #f3fbf7;
  }
  body {
    padding-bottom: 18px;
  }
  .app {
    width: min(100% - 20px, 500px);
    padding: 12px 10px 18px;
  }
  .header {
    padding: 10px 0 14px;
    border-bottom-color: #4c5b55;
    margin-bottom: 14px;
  }
  .header h1 {
    color: #f6fffb;
    text-shadow: none;
    letter-spacing: 1.2px;
  }
  .header .sub {
    color: #a9c8bd;
  }
  .home-grid {
    gap: 10px;
  }
  #home .home-header {
    margin-bottom: 0;
  }
  #home .home-grid {
    margin-top: 72px;
  }
  .home-btn {
    min-height: 118px;
    padding: 18px 8px 16px;
    background: linear-gradient(180deg, #343c38, #252b28);
    border: 2px solid #65756e;
    color: #f4fffb;
    border-radius: 12px;
    box-shadow: 0 2px 0 #111, inset 0 1px 0 #ffffff14;
  }
  .home-btn:active {
    background: #3f4944;
    transform: scale(0.98);
  }
  .home-svg {
    width: 42px;
    height: 42px;
  }
  .home-svg * {
    stroke: #f0fff9;
    stroke-width: 7;
  }
  .home-btn .label {
    color: #ffffff;
    font-size: 16px;
    font-weight: 850;
    letter-spacing: 0.5px;
  }
  .home-btn .num {
    color: #ffc857;
    font-size: 11px;
    font-weight: 850;
  }
  .back-btn,
  #rebar .back-btn {
    background: #303834;
    color: #ffffff;
    border: 2px solid #788a82;
    box-shadow: 0 2px 0 #111;
  }
  .back-btn:active,
  #rebar .back-btn:active {
    background: #45504a;
  }
  .screen h2 {
    color: #ffffff;
    text-shadow: none;
    border-left-color: #ffc857;
  }
  .input-row label,
  .vol-box .vol-title,
  .sepa-box .sepa-title,
  .calc-sub,
  .note {
    color: #c4d8d0;
  }
  .input-row input,
  .memo-textarea {
    background: #151a18;
    border: 2px solid #5d7068;
    color: #ffffff;
  }
  .input-row input:focus,
  .memo-textarea:focus {
    border-color: #ffc857;
    box-shadow: 0 0 0 2px #ffc85740;
    outline: none;
  }
  .result-box,
  .table-list,
  .vol-box,
  .sepa-box,
  .wall-fig,
  .slope-fig {
    background: #151a18;
    border-color: #5b6c65;
    box-shadow: none;
  }
  .result-row,
  .table-list .row {
    border-bottom-color: #3f4d48;
  }
  .result-row .lbl,
  .vol-row .lbl {
    color: #c8dad3;
  }
  .result-row .val,
  .table-list .row .val,
  .vol-row .val {
    color: #7dffb2;
    text-shadow: none;
  }
  .calc-display {
    background: #121715;
    border: 2px solid #66786f;
    color: #ffffff;
    text-shadow: none;
  }
  .calc-btn {
    background: #38413d;
    border: 2px solid #65756e;
    color: #ffffff;
    box-shadow: 0 2px 0 #111;
  }
  .calc-btn.op {
    background: #273933;
    color: #a9ffcf;
    border-color: #6fa88e;
  }
  .calc-btn.eq {
    background: #ffc857;
    color: #15120a;
    border-color: #ffe29a;
  }
  .slope-mode-tabs .mode-tab {
    background: #303834;
    border: 2px solid #65756e;
    color: #ffffff;
    box-shadow: 0 2px 0 #111;
  }
  .slope-mode-tabs .mode-tab.active {
    background: #ffc857;
    border-color: #ffe29a;
    color: #15120a;
  }
  .calc-btn.fn {
    background: #6c7973;
    color: #111715;
    border: 2px solid #9caaa4;
  }
  .reset-btn {
    background: #472424;
    color: #ffb3a9;
    border: 2px solid #a85a50;
  }
  .memo-textarea {
    width: 100%;
    min-height: 52vh;
    padding: 14px;
    border-radius: 12px;
    resize: vertical;
    font: inherit;
    font-size: 16px;
    line-height: 1.6;
  }
  #rebar .mode-tab,
  #rebar .dia-btn,
  #rebar .action-btn {
    box-shadow: none;
    text-shadow: none;
  }
  #rebar .card,
  #rebar .result-box,
  #rebar .rebar-fig,
  #rebar #modeL .card,
  #rebar #modeL .result-box,
  #rebar #modeL .rebar-fig {
    box-shadow: none;
  }

/* ===== Integrated rebar estimator ===== */
#rebar /* モード切替 */
  .mode-tabs{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
  }
  #rebar .mode-tab{
    background: #0c1f1d;
    color: #4ad9c2;
    border: 1px solid #008c7a;
    padding: 10px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    cursor: pointer;
    text-align: center;
  }
  #rebar .mode-tab:active{ background: #103631; }
  #rebar .mode-tab.active{
    background: linear-gradient(160deg, #0d2926, #061613);
    color: #00ffd5;
    border-color: #00ffd5;
    box-shadow: inset 0 0 12px #00ffd520;
    text-shadow: 0 0 6px #00ffd560;
  }
  #rebar .mode-tab#tabL.active{
    background: linear-gradient(160deg, #0d2245, #061130);
    color: #6bb8ff;
    border-color: #6bb8ff;
    box-shadow: inset 0 0 12px #6bb8ff20;
    text-shadow: 0 0 6px #6bb8ff60;
  }

  #rebar /* =========================================================
     ========== 直壁モード（シアン系：既存スタイル） ==========
  ========================================================== */
  .card{
    background: linear-gradient(160deg, #0d2926, #061613);
    border: 1px solid #00ffd540;
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 10px;
    box-shadow: inset 0 0 12px #00ffd510, 0 2px 6px #000;
  }
  #rebar .card-title{
    font-size: 11px;
    color: #4ad9c2;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 6px;
  }

  #rebar .input-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  @media (max-width: 340px) {
    #rebar .input-grid{ grid-template-columns: 1fr; }
  }

  #rebar .input-row{ margin-bottom: 6px; }
  #rebar .input-row:last-child{ margin-bottom: 0; }
  #rebar .input-row label{
    display: block;
    font-size: 12px;
    color: #4ad9c2;
    margin-bottom: 3px;
    font-weight: 600;
  }
  #rebar .input-row input[type="number"]{
    width: 100%;
    background: #061613;
    border: 1px solid #008c7a;
    color: #00ffd5;
    padding: 9px 10px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    -webkit-appearance: none;
  }
  #rebar .input-row input[type="number"]:focus{
    outline: none;
    border-color: #00ffd5;
    box-shadow: 0 0 0 2px #00ffd530;
  }

  #rebar /* クリアボタン付き入力欄 */
  .input-with-clear{
    position: relative;
  }
  #rebar .input-with-clear input[type="number"]{
    padding-right: 44px;
  }
  #rebar .input-clear-btn{
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    background: transparent;
    border: none;
    color: #4ad9c2;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    -webkit-appearance: none;
    border-radius: 8px;
  }
  #rebar .input-clear-btn:active{ background: #0e3531; }
  #rebar #modeL .input-clear-btn{ color: #9bd0ff; }
  #rebar #modeL .input-clear-btn:active{ background: #0f2350; }

  #rebar .grid-2{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  @media (max-width: 340px) {
    #rebar .grid-2{ grid-template-columns: 1fr; }
  }

  #rebar .dia-row{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
  }
  #rebar .dia-btn{
    background: #061613;
    color: #4ad9c2;
    border: 1px solid #008c7a;
    padding: 8px 2px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
  }
  #rebar .dia-btn:active{ background: #103631; }
  #rebar .dia-btn.active{
    background: #0a2622;
    color: #00ffd5;
    border-color: #00ffd5;
    box-shadow: 0 0 6px #00ffd530;
  }

  #rebar .section-title{
    font-size: 12px;
    color: #00ffd5;
    font-weight: 800;
    letter-spacing: 1px;
    margin: 8px 0 6px;
    border-left: 4px solid #00ff88;
    padding-left: 8px;
    text-shadow: 0 0 6px #00ffd540;
  }

  #rebar .result-box{
    background: #061613;
    border: 1px solid #00ff8855;
    border-radius: 10px;
    padding: 2px 10px;
    box-shadow: inset 0 0 12px #00ff8810;
  }
  #rebar .result-row{
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px dashed #0c3d3a;
  }
  #rebar .result-row:last-child{ border-bottom: none; }
  #rebar .result-row .lbl{
    font-size: 12px;
    color: #4ad9c2;
    font-weight: 600;
  }
  #rebar .result-row .val{
    font-size: 16px;
    font-weight: 800;
    color: #00ff88;
    text-shadow: 0 0 6px #00ff8850;
    font-family: "SF Mono", Menlo, monospace;
  }
  #rebar .result-row.main .val{
    font-size: 19px;
    color: #ffe9a8;
    text-shadow: 0 0 8px #ffd26630;
  }
  #rebar .result-row.scrap .val{ color: #ffb968; }

  #rebar .stock-warn{
    margin-top: 8px;
    padding: 8px 12px;
    background: #2a1010;
    border: 1px solid #ff9a9a55;
    border-radius: 10px;
    color: #ff9a9a;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
  }

  #rebar .result-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  @media (max-width: 480px) {
    #rebar .result-grid{ grid-template-columns: 1fr; }
  }
  #rebar .total-result{ grid-column: 1 / -1; }

  #rebar .total-box{
    margin-top: 10px;
    background: linear-gradient(160deg, #1a3530, #0a1f1c);
    border: 2px solid #ffd266;
    border-radius: 12px;
    padding: 10px;
    text-align: center;
    box-shadow: 0 0 12px #ffd26630;
  }
  #rebar .total-box .lbl{
    font-size: 11px;
    color: #ffd266;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 3px;
  }
  #rebar .total-box .val{
    font-size: 26px;
    font-weight: 900;
    color: #ffe9a8;
    font-family: "SF Mono", Menlo, monospace;
    text-shadow: 0 0 10px #ffd26660;
    letter-spacing: 1px;
  }

  #rebar .rebar-fig{
    background: #0a1f1c;
    border: 1px solid #00ffd540;
    border-radius: 10px;
    padding: 8px;
    margin-bottom: 8px;
    text-align: center;
    box-shadow: inset 0 0 12px #00ffd510;
  }
  #rebar .rebar-fig svg{
    width: 100%;
    height: auto;
    max-height: 150px;
    display: block;
  }

  #rebar .mode-section{ display: none; }
  #rebar .mode-section.active{ display: block; }

  #rebar /* アクションボタン群 */
  .action-wrap{
    margin-top: 16px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  @media (max-width: 360px) {
    #rebar .action-wrap{ grid-template-columns: 1fr; }
  }
  #rebar .action-btn{
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    cursor: pointer;
    text-align: center;
    -webkit-appearance: none;
  }
  #rebar .action-btn[disabled]{
    opacity: 0.6;
    cursor: not-allowed;
  }

  #rebar /* 直壁: シアン系 */
  #rebar.rebar-mode-wall .action-btn{
    background: #0c1f1d;
    color: #4ad9c2;
    border: 1px solid #008c7a;
  }
  #rebar.rebar-mode-wall .action-btn:active:not([disabled]) {
    background: #103631;
    color: #00ffd5;
    border-color: #00ffd5;
    box-shadow: 0 0 6px #00ffd530;
  }
  #rebar /* L型: 青系 */
  #rebar.rebar-mode-L .action-btn{
    background: #0a1a3a;
    color: #9bd0ff;
    border: 1px solid #2f6dc4;
  }
  #rebar.rebar-mode-L .action-btn:active:not([disabled]) {
    background: #0f2350;
    color: #6bb8ff;
    border-color: #6bb8ff;
    box-shadow: 0 0 6px #6bb8ff30;
  }


  #rebar /* =========================================================
     ========== L型擁壁モード（青系：上書きスタイル） ==========
  ========================================================== */
  #modeL .card{
    background: linear-gradient(160deg, #0d2245, #06112a);
    border: 1px solid #6bb8ff40;
    box-shadow: inset 0 0 12px #6bb8ff10, 0 2px 6px #000;
  }
  #rebar #modeL .card-title{ color: #9bd0ff; }

  #rebar #modeL .input-row label{ color: #9bd0ff; }
  #rebar #modeL .input-row input[type="number"]{
    background: #050d1f;
    border: 1px solid #2f6dc4;
    color: #6bb8ff;
  }
  #rebar #modeL .input-row input[type="number"]:focus{
    border-color: #6bb8ff;
    box-shadow: 0 0 0 2px #6bb8ff30;
  }

  #rebar #modeL .dia-btn{
    background: #050d1f;
    color: #9bd0ff;
    border: 1px solid #2f6dc4;
  }
  #rebar #modeL .dia-btn:active{ background: #0f2350; }
  #rebar #modeL .dia-btn.active{
    background: #0a1a3a;
    color: #6bb8ff;
    border-color: #6bb8ff;
    box-shadow: 0 0 6px #6bb8ff30;
  }

  #rebar #modeL .section-title{
    color: #6bb8ff;
    border-left: 4px solid #4aa3ff;
    text-shadow: 0 0 6px #6bb8ff40;
  }

  #rebar #modeL .result-box{
    background: #050d1f;
    border: 1px solid #4aa3ff55;
    box-shadow: inset 0 0 12px #4aa3ff10;
  }
  #rebar #modeL .result-row{ border-bottom: 1px dashed #133166; }
  #rebar #modeL .result-row:last-child{ border-bottom: none; }
  #rebar #modeL .result-row .lbl{ color: #9bd0ff; }
  #rebar #modeL .result-row .val{
    color: #4aa3ff;
    text-shadow: 0 0 6px #4aa3ff50;
  }
  #rebar #modeL .result-row.main .val{
    color: #ffe9a8;
    text-shadow: 0 0 8px #ffd26630;
  }
  #rebar #modeL .result-row.scrap .val{ color: #ffb968; }

  #rebar #modeL .rebar-fig{
    background: #08152e;
    border: 1px solid #6bb8ff40;
    box-shadow: inset 0 0 12px #6bb8ff10;
  }

#rebar .rebar-content { max-width: 720px; margin: 0 auto; }
#rebar .rebar-header { padding-top: 0; }
#rebar .back-btn { margin-bottom: 12px; }
#rebar .rebar-disclaimer {
  max-width: 720px;
  margin: 12px auto 0;
  color: #b9cbc4;
  font-size: 12px;
  line-height: 1.55;
  text-align: left;
  opacity: 0.86;
}
#rebar .action-wrap { padding-bottom: 4px; }

/* ===== Final app-ready field contrast overrides ===== */
#rebar .mode-tab {
  background: #303834;
  color: #e8f7f1;
  border: 2px solid #6e8178;
  text-shadow: none;
}
#rebar .mode-tab.active,
#rebar .mode-tab#tabL.active {
  background: #3d4842;
  color: #ffffff;
  border-color: #ffc857;
  box-shadow: none;
  text-shadow: none;
}
#rebar .card,
#rebar #modeL .card {
  background: #252b28;
  border: 2px solid #5f7169;
  box-shadow: none;
}
#rebar .card-title,
#rebar #modeL .card-title,
#rebar .input-row label,
#rebar #modeL .input-row label {
  color: #d3e6df;
}
#rebar .input-row input[type="number"],
#rebar #modeL .input-row input[type="number"] {
  background: #151a18;
  border: 2px solid #60736b;
  color: #ffffff;
}
#rebar .input-row input[type="number"]:focus,
#rebar #modeL .input-row input[type="number"]:focus {
  border-color: #ffc857;
  box-shadow: 0 0 0 2px #ffc85740;
}
#rebar .dia-btn,
#rebar #modeL .dia-btn {
  background: #343d39;
  color: #f2fff9;
  border: 2px solid #6c7f76;
}
#rebar .dia-btn.active,
#rebar #modeL .dia-btn.active {
  background: #4b4230;
  color: #ffffff;
  border-color: #ffc857;
  box-shadow: none;
}
#rebar .section-title,
#rebar #modeL .section-title {
  color: #ffffff;
  border-left-color: #ffc857;
  text-shadow: none;
}
#rebar .result-box,
#rebar #modeL .result-box,
#rebar .rebar-fig,
#rebar #modeL .rebar-fig {
  background: #151a18;
  border: 2px solid #5d7068;
  box-shadow: none;
}
#rebar .result-row,
#rebar #modeL .result-row {
  border-bottom-color: #3f4d48;
}
#rebar .result-row .lbl,
#rebar #modeL .result-row .lbl {
  color: #d0e1da;
}
#rebar .result-row .val,
#rebar #modeL .result-row .val {
  color: #86ffb8;
  text-shadow: none;
}
#rebar .result-row.main .val,
#rebar #modeL .result-row.main .val,
#rebar .total-box .lbl,
#rebar #modeL .total-box .lbl {
  color: #ffe29a;
  text-shadow: none;
}
#rebar .total-box {
  background: #2b312e;
  border-color: #ffc857;
  box-shadow: none;
}
#rebar .action-btn,
#rebar.rebar-mode-wall .action-btn,
#rebar.rebar-mode-L .action-btn {
  background: #303834;
  color: #ffffff;
  border: 2px solid #788a82;
}
#rebar .action-btn:active:not([disabled]),
#rebar.rebar-mode-wall .action-btn:active:not([disabled]),
#rebar.rebar-mode-L .action-btn:active:not([disabled]) {
  background: #45504a;
  color: #ffffff;
  border-color: #ffc857;
  box-shadow: none;
}

/* ===== iOS submission polish: Field Quick Calc inspired surface only ===== */
html,
body {
  background: #07100d;
  color: #effaf5;
}

body {
  background:
    radial-gradient(circle at 16% 8%, rgba(0, 255, 136, 0.16), transparent 30%),
    linear-gradient(180deg, #0d1714 0%, #07100d 58%, #050807 100%);
}

.app {
  width: min(100% - 22px, 500px);
  padding: calc(26px + env(safe-area-inset-top)) 0 calc(28px + env(safe-area-inset-bottom));
}

#home::before {
  background-image:
    linear-gradient(rgba(90, 142, 113, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 142, 113, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0;
  opacity: 0.62;
}

.header {
  border-bottom: 1px solid rgba(128, 158, 145, 0.48);
}

.home-header {
  gap: 14px;
  padding: 18px 2px 26px;
}

#home .home-grid {
  margin-top: 54px;
}

.home-header-icon {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  box-shadow: 0 0 22px rgba(0, 255, 136, 0.25);
}

.home-header h1 {
  font-size: 34px;
  letter-spacing: 0;
  color: #f6fff9;
}

.home-header .sub {
  margin-top: 7px;
  color: #9edfc0;
  font-size: 12px;
  letter-spacing: 2.4px;
}

.home-grid {
  gap: 12px;
}

.home-btn {
  min-height: 158px;
  padding: 20px 8px 18px;
  background: linear-gradient(180deg, rgba(38, 52, 46, 0.96), rgba(22, 33, 28, 0.98));
  border: 2px solid rgba(119, 148, 134, 0.82);
  border-radius: 8px;
  box-shadow: inset 0 0 18px rgba(0, 255, 136, 0.035), 0 3px 8px rgba(0, 0, 0, 0.42);
}

.home-btn:active {
  background: #2c3c35;
  border-color: #29ff99;
}

.home-svg {
  width: 58px;
  height: 58px;
  margin-bottom: 13px;
}

.home-svg * {
  stroke: #effff7;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.home-btn .num {
  color: #ffd166;
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 8px;
}

.home-btn .label {
  color: #f8fff9;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0;
}

.home-btn .home-card-subtitle {
  display: block;
  margin-top: 4px;
  color: #9edfc0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.back-btn,
#rebar .back-btn {
  background: rgba(18, 32, 27, 0.96);
  border: 1px solid rgba(120, 151, 138, 0.75);
  border-radius: 8px;
  color: #8dffbd;
  box-shadow: none;
}

.screen h2 {
  color: #f6fff9;
  border-left-color: #1dff92;
  font-size: 20px;
  letter-spacing: 0;
}

.input-row label,
#rebar .input-row label,
#rebar #modeL .input-row label {
  color: #d7e7df;
  font-size: 13px;
  font-weight: 800;
}

.input-row input,
.memo-textarea,
#rebar .input-row input[type="number"],
#rebar #modeL .input-row input[type="number"] {
  background: #08110e;
  border: 1px solid rgba(132, 160, 147, 0.78);
  border-radius: 8px;
  color: #f8fff9;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.input-row input:focus,
.memo-textarea:focus,
#rebar .input-row input[type="number"]:focus,
#rebar #modeL .input-row input[type="number"]:focus {
  border-color: #28ff96;
  box-shadow: 0 0 0 2px rgba(40, 255, 150, 0.18);
}

.result-box,
.table-list,
.vol-box,
.sepa-box,
.wall-fig,
.slope-fig,
#rebar .card,
#rebar #modeL .card,
#rebar .result-box,
#rebar #modeL .result-box,
#rebar .rebar-fig,
#rebar #modeL .rebar-fig {
  background: rgba(18, 31, 26, 0.96);
  border: 1px solid rgba(123, 151, 139, 0.72);
  border-radius: 8px;
  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.28);
}

.wall-fig,
.slope-fig,
#rebar .rebar-fig,
#rebar #modeL .rebar-fig {
  padding: 16px;
}

.wall-fig svg,
.slope-fig svg,
#rebar .rebar-fig svg,
#rebar #modeL .rebar-fig svg {
  width: 100%;
  max-width: 100%;
}

.result-row,
.table-list .row,
#rebar .result-row,
#rebar #modeL .result-row {
  border-bottom-color: rgba(124, 151, 139, 0.28);
}

.result-row .lbl,
.table-list .row .name,
.vol-row .lbl,
#rebar .result-row .lbl,
#rebar #modeL .result-row .lbl {
  color: #b9cbc2;
}

.result-row .val,
.table-list .row .val,
.vol-row .val,
#rebar .result-row .val,
#rebar #modeL .result-row .val {
  color: #82ffb7;
  text-shadow: none;
}

.calc-display {
  background: #08110e;
  border: 1px solid rgba(132, 160, 147, 0.78);
  border-radius: 8px;
}

.calc-btn {
  background: rgba(38, 52, 46, 0.96);
  border: 1px solid rgba(119, 148, 134, 0.82);
  border-radius: 8px;
  box-shadow: none;
}

.calc-btn.op {
  background: rgba(15, 40, 31, 0.96);
  border-color: rgba(40, 255, 150, 0.42);
  color: #9dffc8;
}

.calc-btn.eq {
  background: #ffd166;
  border-color: #ffe3a0;
  color: #10140f;
}

.calc-btn.fn {
  background: rgba(150, 162, 156, 0.96);
  border-color: rgba(190, 204, 197, 0.92);
  color: #10140f;
}

#rebar .mode-tab,
#rebar .dia-btn,
#rebar #modeL .dia-btn,
#rebar .action-btn,
#rebar.rebar-mode-wall .action-btn,
#rebar.rebar-mode-L .action-btn {
  border-radius: 8px;
  background: rgba(38, 52, 46, 0.96);
  border: 1px solid rgba(119, 148, 134, 0.82);
}

#rebar .mode-tab.active,
#rebar .mode-tab#tabL.active,
#rebar .dia-btn.active,
#rebar #modeL .dia-btn.active {
  background: rgba(0, 255, 136, 0.12);
  border-color: #28ff96;
  color: #effff7;
}

/* ===== Home hierarchy: 4 primary cards + compact support tools ===== */
#home .home-grid {
  margin-top: 54px;
  margin-bottom: 14px;
}

#home .home-actions {
  display: grid;
  gap: 10px;
  margin: 10px 0 12px;
}

#home .home-tools {
  margin: 14px 0 12px;
}

#home .home-tools-summary {
  min-height: 72px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  border-radius: 8px;
  border: 1px solid rgba(0, 255, 136, 0.72);
  background: linear-gradient(180deg, rgba(3, 28, 20, 0.96), rgba(2, 18, 13, 0.98));
  color: #7dffb2;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0;
  box-shadow: inset 0 0 20px rgba(0, 255, 136, 0.045);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

#home .home-tools-summary::-webkit-details-marker {
  display: none;
}

#home .home-tools-summary::after {
  content: "";
  width: 10px;
  height: 10px;
  margin-left: 14px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.18s ease;
}

#home .home-tools[open] .home-tools-summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

#home .home-tools-summary:active {
  background: rgba(6, 38, 27, 0.98);
  border-color: #29ff99;
}

#home .home-btn.home-primary {
  min-height: 150px;
}

#home .home-btn.home-secondary {
  width: 100%;
  min-height: 64px;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 44px 1fr 20px;
  align-items: center;
  gap: 14px;
  text-align: left;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(3, 28, 20, 0.94), rgba(2, 18, 13, 0.98));
  border: 1px solid rgba(0, 255, 136, 0.56);
  color: #7dffb2;
  box-shadow: inset 0 0 16px rgba(0, 255, 136, 0.035);
}

#home .home-btn.home-secondary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-top: 2px solid rgba(125, 255, 178, 0.82);
  border-right: 2px solid rgba(125, 255, 178, 0.82);
  transform: rotate(45deg);
  justify-self: end;
}

#home .home-btn.home-secondary .num {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
  align-self: start;
  font-size: 12px;
  letter-spacing: 0.08em;
}

#home .home-btn.home-secondary .ico {
  grid-column: 1;
  grid-row: 1;
  margin: 15px 0 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#home .home-btn.home-secondary .home-svg {
  width: 34px;
  height: 34px;
  margin: 0;
}

#home .home-btn.home-secondary .label {
  grid-column: 2;
  grid-row: 1;
  color: #7dffb2;
  font-size: 19px;
  line-height: 1.2;
  text-shadow: none;
}

#home .home-btn.home-secondary .num {
  color: rgba(255, 209, 102, 0.84);
}

#home .home-btn.home-secondary .home-svg * {
  stroke: #baf8d4;
  stroke-width: 6;
}

#home .home-btn.home-disabled {
  opacity: 0.62;
  cursor: default;
}

#home .home-btn.home-disabled:active {
  transform: none;
  background: rgba(34, 48, 42, 0.9);
  border-color: rgba(118, 146, 132, 0.78);
}

/* ===== Integrated R / Circle tool ===== */
#rlength .r-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

#rlength .r-mode-tab {
  min-height: 44px;
  border: 1px solid rgba(119, 148, 134, 0.82);
  border-radius: 8px;
  background: rgba(38, 52, 46, 0.96);
  color: #d3e6df;
  font-size: 14px;
  font-weight: 900;
}

#rlength .r-mode-tab.active {
  background: rgba(0, 255, 136, 0.12);
  border-color: #28ff96;
  color: #effff7;
}

#rlength .r-mode-panel {
  display: none;
}

#rlength .r-mode-panel.active {
  display: block;
}

#rlength .r-panel {
  background: rgba(18, 31, 26, 0.96);
  border: 1px solid rgba(123, 151, 139, 0.72);
  border-radius: 8px;
  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.28);
  padding: 12px;
  margin-bottom: 12px;
}

#rlength .r-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

#rlength .r-actions button {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid rgba(119, 148, 134, 0.82);
  background: rgba(38, 52, 46, 0.96);
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
}

#rlength .r-actions button:active {
  background: #45504a;
  border-color: #28ff96;
}

#rlength .r-message {
  min-height: 20px;
  color: #ffc857;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
  margin-top: 8px;
}

#rlength .r-hero-result {
  background: linear-gradient(180deg, rgba(48, 56, 52, 0.98), rgba(37, 43, 40, 0.98));
  border: 1px solid #28ff96;
  border-radius: 8px;
  padding: 13px 12px;
  margin-bottom: 10px;
}

#rlength .r-hero-result .lbl {
  color: #b9cbc4;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
}

#rlength .r-hero-result .val {
  margin-top: 3px;
  color: #82ffb7;
  font-size: 34px;
  line-height: 1.05;
  font-weight: 950;
  font-family: "SF Mono", Menlo, monospace;
}

#rlength .r-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

#rlength .r-result-card {
  background: #08110e;
  border: 1px solid rgba(123, 151, 139, 0.72);
  border-radius: 8px;
  padding: 9px 10px;
  min-height: 64px;
}

#rlength .r-result-card.wide {
  grid-column: 1 / -1;
}

#rlength .r-result-card .lbl {
  color: #b9cbc2;
  font-size: 11px;
  font-weight: 800;
  margin-bottom: 4px;
}

#rlength .r-result-card .val {
  color: #f6fffb;
  font-size: 18px;
  font-weight: 900;
  font-family: "SF Mono", Menlo, monospace;
}

#rlength .r-figure {
  background:
    linear-gradient(rgba(92, 132, 112, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 132, 112, 0.075) 1px, transparent 1px),
    #08110e;
  background-size: 18px 18px;
  border: 1px solid rgba(123, 151, 139, 0.72);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 12px;
}

#rlength .r-figure svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 160px;
}

#rlength .r-arc {
  fill: none;
  stroke: #86ffb8;
  stroke-width: 7;
  stroke-linecap: round;
}

#rlength .r-chord,
#rlength .r-diameter {
  stroke: #f6fffb;
  stroke-width: 4;
  stroke-linecap: round;
}

#rlength .r-sagitta,
#rlength .r-radius-line {
  stroke: #ffc857;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 8 7;
}

#rlength .r-guide {
  stroke: #789088;
  stroke-width: 2;
  stroke-dasharray: 5 7;
}

#rlength .r-svg-label {
  fill: #d3e6df;
  font-size: 13px;
  font-weight: 800;
}

#rlength .r-svg-label.accent {
  fill: #86ffb8;
}

#rlength .r-svg-label.warn {
  fill: #ffc857;
}

#rlength .r-circle {
  fill: rgba(134, 255, 184, 0.07);
  stroke: #86ffb8;
  stroke-width: 6;
}

@media (max-width: 360px) {
  #rlength .r-hero-result .val {
    font-size: 30px;
  }

  #rlength .r-result-grid {
    grid-template-columns: 1fr;
  }
}


/* Carport slope mode */
#slopeCarportPanel[hidden],
#slopeHeightPanel[hidden] {
  display: none;
}

.carport-input-grid {
  gap: 10px;
}

.carport-fig {
  padding: 10px 8px 2px;
}

.carport-ground {
  stroke: rgba(198, 211, 205, 0.66);
  stroke-width: 2;
}

.carport-post {
  stroke: #4affc4;
  stroke-width: 5;
  stroke-linecap: square;
  filter: drop-shadow(0 0 4px rgba(42, 255, 196, 0.58));
}

.carport-roof {
  stroke: #43ffd0;
  stroke-width: 4;
  stroke-linecap: square;
  filter: drop-shadow(0 0 7px rgba(42, 255, 196, 0.68));
}

.carport-measure,
.carport-guide {
  stroke: #35ffc5;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 7 7;
}

.carport-guide {
  opacity: 0.72;
  stroke-width: 2;
}

.carport-label {
  fill: #35ffc5;
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 900;
}

.carport-result-box {
  padding: 10px 14px;
}

.carport-result-box .result-row {
  min-height: 48px;
}

.carport-primary-result .lbl {
  color: #f4fff9;
  font-size: 16px;
}

.carport-primary-result .val {
  color: #79ffb2;
  font-size: clamp(44px, 14vw, 68px);
  line-height: 1;
  text-shadow: 0 0 12px rgba(54, 255, 150, 0.32);
}

.carport-note {
  margin: 8px 2px 2px;
  color: #c7d8d0;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.65;
}

.feature-request-entry {
  width: 100%;
  min-height: 48px;
  margin: 4px 0 14px;
  border: 1px solid rgba(0, 255, 213, 0.45);
  border-radius: 12px;
  background: linear-gradient(160deg, #0d2926, #061613);
  color: #80ffd5;
  font-size: 14px;
  font-weight: 900;
}

.feature-request-entry:active { background: #103631; }

.feature-request-lead {
  margin: 0 0 16px;
  color: #a9c8c0;
  font-size: 13px;
  line-height: 1.65;
}

.feature-request-form label {
  display: block;
  margin-bottom: 14px;
  color: #7fffd8;
  font-size: 13px;
  font-weight: 800;
}

.feature-request-form label span {
  margin-left: 6px;
  color: #ffd166;
  font-size: 10px;
}

.feature-request-form label small {
  display: block;
  margin-top: 2px;
  color: #789c93;
  font-weight: 500;
}

.feature-request-form input,
.feature-request-form textarea {
  box-sizing: border-box;
  width: 100%;
  margin-top: 6px;
  border: 1px solid #357d70;
  border-radius: 10px;
  background: #061613;
  color: #effffb;
  padding: 13px;
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
  resize: vertical;
  -webkit-appearance: none;
}

.feature-request-form input:focus,
.feature-request-form textarea:focus {
  outline: none;
  border-color: #00ffd5;
  box-shadow: 0 0 0 2px rgba(0, 255, 213, 0.18);
}

.feature-request-submit {
  width: 100%;
  min-height: 52px;
  border: 1px solid #00ff88;
  border-radius: 11px;
  background: #00ff88;
  color: #00130e;
  font-size: 15px;
  font-weight: 900;
}

.feature-request-submit:disabled { opacity: 0.6; }

.feature-request-status {
  min-height: 44px;
  margin: 12px 0 0;
  color: #9ebbb4;
  font-size: 12px;
  line-height: 1.6;
}

.feature-request-status.error { color: #ff9d9d; }
.feature-request-status.success { color: #83ffc0; }

.monetization-panel {
  margin: 18px 0 6px;
  padding: 15px;
  border: 1px solid #286a5d;
  border-radius: 12px;
  background: #071a16;
}
.monetization-panel[hidden] { display: none !important; }
.monetization-title { margin-bottom: 8px; color: #effffb; font-weight: 900; }
.monetization-panel p { color: #a9c8c0; font-size: 12px; line-height: 1.5; }
.monetization-panel button { width: 100%; min-height: 46px; margin-top: 8px; border-radius: 9px; font: inherit; font-weight: 800; }
.monetization-primary { border: 1px solid #00ff88; background: #00ff88; color: #00130e; }
.monetization-secondary { border: 1px solid #357d70; background: #0d2923; color: #effffb; }
.monetization-link { border: 0; background: transparent; color: #7fffd8; text-decoration: underline; }
.monetization-panel button:disabled { opacity: .55; }
.monetization-status { min-height: 18px; margin: 9px 0 0; }
.monetization-status[data-kind="error"] { color: #ff9d9d; }
.monetization-status[data-kind="success"] { color: #83ffc0; }

/* 材料重量計算 */
.material-weight-screen {
  padding-bottom: calc(28px + env(safe-area-inset-bottom));
}

.material-card,
.material-weight-result,
.material-notes {
  margin: 14px 0;
  padding: 16px;
  border: 1px solid rgba(123, 151, 139, 0.72);
  border-radius: 10px;
  background: rgba(18, 31, 26, 0.96);
  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.28);
}

.material-section-title {
  margin-bottom: 12px;
  color: #d7e7df;
  font-size: 13px;
  font-weight: 900;
}

.material-chip-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.material-chip {
  min-height: 48px;
  padding: 8px 4px;
  border: 1px solid #426559;
  border-radius: 9px;
  background: #0a1a15;
  color: #effff7;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
  touch-action: manipulation;
}

.material-chip.active {
  border-color: #29ff99;
  background: #173f31;
  color: #8dffbd;
  box-shadow: inset 0 0 0 1px rgba(41, 255, 153, 0.24);
}

.material-density-row { margin-bottom: 0; }
.material-density-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.material-density-input button {
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid #3d7364;
  border-radius: 8px;
  background: #102820;
  color: #9dffd0;
  font: inherit;
  font-size: 12px;
  font-weight: 900;
}

.material-density-row small {
  display: block;
  margin-top: 8px;
  color: #9ebbb4;
  font-size: 11px;
  line-height: 1.55;
}

.material-result-heading,
.material-dump-result {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.material-result-heading span,
.material-dump-result span {
  color: #d7e7df;
  font-size: 13px;
  font-weight: 900;
}

.material-result-heading small,
.material-dump-result small {
  color: #9ebbb4;
  font-size: 11px;
  text-align: right;
}

.material-primary-result {
  margin: 14px 0;
  padding: 17px 14px;
  border: 1px solid rgba(41, 255, 153, 0.38);
  border-radius: 10px;
  background: #071a14;
  text-align: center;
}

.material-primary-result span,
.material-primary-result small {
  display: block;
  color: #9edfc0;
  font-size: 12px;
  font-weight: 800;
}

.material-primary-result strong {
  display: block;
  margin: 5px 0 2px;
  color: #46ff9f;
  font-size: clamp(34px, 10vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.material-dump-result {
  display: grid;
  grid-template-columns: auto 1fr;
  padding-top: 13px;
  border-top: 1px solid rgba(124, 151, 139, 0.28);
}

.material-dump-result strong {
  color: #ffd166;
  font-size: 17px;
  text-align: right;
}

.material-dump-result small {
  grid-column: 1 / -1;
  line-height: 1.5;
}

.material-notes p {
  margin: 0;
  color: #a9c8c0;
  font-size: 11px;
  line-height: 1.65;
}

.material-notes p + p { margin-top: 7px; }

@media (max-width: 370px) {
  .material-chip-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .material-density-input { grid-template-columns: 1fr; }
  .material-density-input button { min-height: 44px; }
}