:root {
  --ace-blue: #003E8D;
  --ace-blue-2: #07539A;
  --ace-blue-soft: #EEF5FF;
  --ace-blue-pale: #F5F9FF;
  --ace-pink: #EFABEC;
  --ace-pink-deep: #C979C5;
  --ace-pink-soft: #FFF2FE;
  --ace-ink: #202735;
  --ace-muted: #6F7785;
  --ace-line: #DDE6F2;
  --ace-white: #FFFFFF;
  --ace-shadow: 0 12px 34px rgba(0, 62, 141, 0.09);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: #F7FAFF;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 2%, rgba(239, 171, 236, 0.22), transparent 28rem),
    radial-gradient(circle at 92% 6%, rgba(0, 62, 141, 0.10), transparent 30rem),
    linear-gradient(180deg, #FFFFFF 0%, #F8FBFF 48%, #FFF9FF 100%);
}

button,
input {
  font: inherit;
}

button {
  touch-action: manipulation;
}

#ace-hc-calculator {
  max-width: 760px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px 16px calc(22px + env(safe-area-inset-bottom));
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  color: var(--ace-ink);
  line-height: 1.6;
}

#ace-hc-calculator * {
  box-sizing: border-box;
}

/* =========================
   ブランドヘッダー
========================= */

.ace-header {
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
  padding: 20px 20px 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(0, 62, 141, 0.10);
  border-radius: 22px;
  box-shadow: var(--ace-shadow);
}

.ace-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--ace-blue) 0 68%, var(--ace-pink) 68% 100%);
}

.ace-header::after {
  content: "";
  position: absolute;
  right: -54px;
  top: -58px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(239, 171, 236, 0.13);
  pointer-events: none;
}

.ace-brand-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: 145px;
  max-width: 42vw;
  height: auto;
  margin: 0 auto 6px;
}

.ace-title {
  position: relative;
  z-index: 1;
}

.ace-title h1 {
  margin: 0 0 5px;
  color: var(--ace-blue);
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.ace-title p {
  margin: 0;
  color: var(--ace-muted);
  font-size: 14px;
}

/* =========================
   用途メニュー
========================= */

.ace-menu {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.ace-menu button,
.fryer-class-btn {
  position: relative;
  overflow: hidden;
  border: 1.5px solid #B8CCE6;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ace-blue);
  border-radius: 14px;
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 750;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 62, 141, 0.045);
  transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
  -webkit-tap-highlight-color: transparent;
}

.ace-menu button:active,
.fryer-class-btn:active {
  transform: scale(0.98);
}

.ace-menu button.active,
.fryer-class-btn.active {
  color: #fff;
  border-color: var(--ace-blue);
  background: linear-gradient(135deg, var(--ace-blue) 0%, var(--ace-blue-2) 100%);
  box-shadow: 0 8px 18px rgba(0, 62, 141, 0.20);
}

.ace-menu button.active::after,
.fryer-class-btn.active::after {
  content: "";
  position: absolute;
  right: 9px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ace-pink);
  box-shadow: 0 0 0 3px rgba(239, 171, 236, 0.18);
}

/* =========================
   メインパネル
========================= */

.ace-panel {
  display: none;
  padding: 22px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(0, 62, 141, 0.10);
  border-radius: 20px;
  box-shadow: var(--ace-shadow);
}

.ace-panel.active {
  display: block;
  animation: panelIn 0.18s ease-out;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.ace-panel h2 {
  margin: 0 0 18px;
  color: var(--ace-blue);
  font-size: 22px;
  line-height: 1.35;
}

.ace-panel h2::after {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin-top: 7px;
  border-radius: 999px;
  background: var(--ace-pink);
}

.ace-panel-description {
  margin: -10px 0 18px;
  color: var(--ace-muted);
  font-size: 13px;
}

/* =========================
   入力欄
========================= */

.ace-input-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.ace-input-grid-round {
  grid-template-columns: repeat(2, 1fr);
}

.ace-field {
  margin-bottom: 16px;
}

.ace-field label {
  display: block;
  margin-bottom: 6px;
  color: #374357;
  font-size: 14px;
  font-weight: 750;
}

.ace-field input {
  width: 100%;
  min-height: 48px;
  border: 1.5px solid var(--ace-line);
  border-radius: 12px;
  padding: 11px 12px;
  color: var(--ace-ink);
  font-size: 17px;
  background: #fff;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.ace-field input:focus {
  border-color: var(--ace-blue-2);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 62, 141, 0.10), 0 0 0 6px rgba(239, 171, 236, 0.08);
}

.ace-field input::placeholder {
  color: #B2BAC6;
}

/* =========================
   水量・湯量
========================= */

.ace-volume {
  display: flex;
  align-items: baseline;
  padding: 13px 15px;
  margin: 10px 0 20px;
  color: #39485C;
  font-size: 15px;
  background: linear-gradient(135deg, var(--ace-blue-soft) 0%, #F7F9FF 65%, var(--ace-pink-soft) 100%);
  border: 1px solid #DCE8F7;
  border-radius: 13px;
}

.ace-volume strong {
  margin-left: auto;
  color: var(--ace-blue);
  font-size: 26px;
  line-height: 1;
}

.ace-volume span {
  margin-left: 3px;
  color: var(--ace-blue);
  font-weight: 800;
}

/* =========================
   計算結果
========================= */

.ace-result {
  scroll-margin-top: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid #E4EAF2;
}

.ace-result h3,
.ace-subtitle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: #27364A;
  font-size: 18px;
}

.ace-result h3::before,
.ace-subtitle::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ace-pink);
}

.ace-subtitle {
  margin: 25px 0 12px !important;
  font-size: 17px !important;
}

.ace-result-box {
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  padding: 18px 16px 15px;
  background: #fff;
  border: 1px solid #E4EBF4;
  border-radius: 15px;
  box-shadow: 0 7px 20px rgba(0, 62, 141, 0.065);
}

.ace-result-box::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ace-blue) 0 76%, var(--ace-pink) 76% 100%);
}

.ace-result-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 8px;
  padding: 3px 9px;
  color: var(--ace-blue);
  font-size: 13px;
  font-weight: 800;
  background: var(--ace-blue-soft);
  border-radius: 999px;
}

.ace-weight {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-bottom: 12px;
  padding-bottom: 13px;
  border-bottom: 1px solid #E7ECF3;
}

.ace-weight > span:first-child {
  margin-right: auto;
  color: #414D5D;
  font-size: 14px;
  font-weight: 750;
}

.ace-weight > strong {
  color: var(--ace-blue);
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.ace-weight > span:last-child {
  color: var(--ace-blue);
  font-size: 17px;
  font-weight: 800;
}

.ace-spoon-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 7px;
  padding: 8px 10px;
  border-radius: 10px;
}

.ace-spoon-row span {
  font-size: 14px;
}

.ace-spoon-row strong {
  white-space: nowrap;
}

.ace-spoon-business {
  color: var(--ace-blue);
  font-weight: 750;
  background: var(--ace-blue-soft);
}

.ace-spoon-business strong {
  font-size: 21px;
}

.ace-spoon-home {
  color: #855780;
  background: var(--ace-pink-soft);
}

.ace-spoon-home span {
  font-size: 13px;
}

.ace-spoon-home strong {
  color: #9D5B98;
  font-size: 17px;
}

/* =========================
   補足・リセット
========================= */

.ace-note {
  margin-top: 10px;
  color: var(--ace-muted);
  font-size: 12px;
  line-height: 1.6;
}

.ace-reset {
  width: 100%;
  margin-top: 18px;
  border: 1px solid #CFDAE8;
  background: #fff;
  color: #667184;
  border-radius: 12px;
  padding: 11px;
  cursor: pointer;
  font-size: 14px;
  transition: color 0.14s ease, border-color 0.14s ease, background 0.14s ease;
}

.ace-reset:active {
  color: var(--ace-blue);
  border-color: #9EB8D8;
  background: var(--ace-blue-pale);
}

.ace-spoon-note {
  margin: 14px 0 0;
  padding: 0;
  color: #7F8794;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
}

/* =========================
   フライヤー / 漬け置き
========================= */

.fryer-class-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.fryer-class-btn {
  padding: 12px 6px;
  font-size: 14px;
}

.ace-soak-heading {
  margin: 16px 0 8px;
  color: #354257;
  font-size: 15px;
  font-weight: 800;
}

.ace-shape-label {
  margin: 14px 0 7px;
  color: var(--ace-muted);
  font-size: 13px;
  font-weight: 750;
}

.ace-or {
  position: relative;
  margin: 15px 0;
  color: #98A1AE;
  font-size: 12px;
  text-align: center;
}

.ace-or::before,
.ace-or::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  margin: 0 9px 3px;
  background: #DDE4EE;
}

@media (hover: hover) {
  .ace-menu button:hover,
  .fryer-class-btn:hover {
    border-color: var(--ace-blue-2);
    box-shadow: 0 7px 16px rgba(0, 62, 141, 0.10);
  }

  .ace-reset:hover {
    color: var(--ace-blue);
    border-color: #9EB8D8;
    background: var(--ace-blue-pale);
  }
}

@media (max-width: 600px) {
  #ace-hc-calculator {
    padding: 12px 11px calc(18px + env(safe-area-inset-bottom));
  }

  .ace-header {
    padding: 17px 13px 15px;
    border-radius: 18px;
  }

  .ace-brand-logo {
    width: 116px;
    max-width: 38vw;
    margin-bottom: 4px;
  }

  .ace-title h1 {
    font-size: 21px;
  }

  .ace-title p {
    font-size: 12.5px;
  }

  .ace-menu {
    gap: 8px;
  }

  .ace-menu button {
    min-height: 52px;
    padding: 11px 5px;
    font-size: 14px;
    border-radius: 13px;
  }

  .ace-panel {
    padding: 17px;
    border-radius: 18px;
  }

  .ace-input-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .ace-input-grid-round {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .ace-weight > strong {
    font-size: 29px;
  }

  .ace-spoon-row {
    gap: 8px;
    padding: 8px 9px;
  }

  .ace-spoon-row span {
    font-size: 13px;
  }

  .ace-spoon-home span {
    font-size: 12px;
  }

  .fryer-class-buttons {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .fryer-class-btn {
    min-height: 50px;
    padding: 9px 3px;
    font-size: 12.5px;
  }

  .ace-spoon-note {
    font-size: 12px;
  }
}

@media (max-width: 370px) {
  .ace-spoon-note {
    white-space: normal;
  }

  .ace-title h1 {
    font-size: 20px;
  }
}