/* ================================================================
   Study With Mei — メインスタイルシート v2
   ================================================================ */

/* ----------------------------------------------------------------
   CSS カスタムプロパティ（ベース / natural デフォルト）
---------------------------------------------------------------- */
:root {
  --swm-font-ui:    system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  --swm-font-mono:  'SF Mono', 'Menlo', 'Roboto Mono', 'Courier New', monospace;
  --swm-radius:     16px;
  --swm-radius-sm:  8px;
  --swm-transition: 0.22s ease;
  --swm-shadow:     0 4px 24px rgba(0,0,0,.10);
  --swm-shadow-hover: 0 8px 32px rgba(0,0,0,.18);

  --bg:      #f5f0e8;
  --accent:  #8a7a65;
  --text:    #3d332a;
  --text-sub:#7a6e63;
  --surface: rgba(255,255,255,0.65);
  --border:  rgba(138,122,101,0.22);
}

/* ----------------------------------------------------------------
   テーマ別カスタムプロパティ
---------------------------------------------------------------- */
/* natural — ドーナツとコーヒー */
body.theme-natural {
  --bg: #F2E2C8; --accent: #5A3015; --text: #241008;
  --text-sub: #8A5C38; --surface: rgba(255,244,220,.80); --border: rgba(90,48,21,.22);
  --swm-font-timer: 'Lora', Georgia, serif;
}
/* pop — マフィンとミルク */
body.theme-pop {
  --bg: #FFF9F5; --accent: #E06060; --text: #2C1010;
  --text-sub: #9A6060; --surface: rgba(255,252,248,.80); --border: rgba(224,96,96,.22);
  --swm-font-timer: 'Nunito', sans-serif;
}
/* girly — ショートケーキとカフェラテ */
body.theme-girly {
  --bg: #FFF0F4; --accent: #C83060; --text: #3C1020;
  --text-sub: #A05870; --surface: rgba(255,245,248,.80); --border: rgba(200,48,96,.22);
  --swm-font-timer: 'Cormorant Garamond', Georgia, serif;
}
/* minimal — レモン */
body.theme-minimal {
  --bg: #FFFDE6; --accent: #888200; --text: #1C1C00;
  --text-sub: #6A6600; --surface: rgba(255,255,215,.72); --border: rgba(136,130,0,.20);
  --swm-font-timer: 'DM Mono', monospace;
}
/* peach — ピーチティー */
body.theme-peach {
  --bg: #FFF3E6; --accent: #C86020; --text: #381808;
  --text-sub: #906040; --surface: rgba(255,244,228,.80); --border: rgba(200,96,32,.22);
  --swm-font-timer: 'Nunito', sans-serif;
}
/* matcha — 抹茶 */
body.theme-matcha {
  --bg: #EEF2E2; --accent: #4A6A38; --text: #1E2818;
  --text-sub: #5A6842; --surface: rgba(234,244,220,.72); --border: rgba(74,106,56,.22);
  --swm-font-timer: 'Philosopher', Georgia, serif;
}

/* ----------------------------------------------------------------
   リセット・ベース
---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--swm-font-ui);
  background-color: var(--bg, #f5f0e8);
  color: var(--text, #333);
  line-height: 1.6;
  transition: background-color 0.4s ease, color 0.3s ease;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

button {
  font-family: var(--swm-font-ui);
  cursor: pointer;
  border: none;
  outline: none;
}
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.swm-timer-page #content,
.swm-timer-page .site-content,
.swm-top-page #content,
.swm-top-page .site-content { padding: 0 !important; margin: 0 !important; }
.swm-timer-page .sidebar-container,
.swm-top-page .sidebar-container { display: none !important; }
.swm-timer-page #wrap,
.swm-top-page #wrap { padding: 0 !important; }

/* ----------------------------------------------------------------
   サイトヘッダー
---------------------------------------------------------------- */
.swm-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--swm-transition), border-color var(--swm-transition);
}
.swm-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0.75rem 1.25rem;
}
.swm-logo {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700; font-size: 1.1rem; color: var(--text); letter-spacing: 0.03em;
}
.swm-logo-icon { width: 28px; height: 28px; color: var(--accent); flex-shrink: 0; }
.swm-logo-text { color: var(--text); }

/* ----------------------------------------------------------------
   言語切り替え
---------------------------------------------------------------- */
.swm-lang-switcher { display: flex; align-items: center; gap: 0.4rem; }
.lang-btn {
  background: transparent; color: var(--text-sub);
  font-size: 0.82rem; font-weight: 600;
  padding: 0.25rem 0.5rem; border-radius: 4px;
  transition: color var(--swm-transition), background var(--swm-transition);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { color: var(--accent); background: rgba(0,0,0,.06); }
.lang-sep { color: var(--border); font-size: 0.85rem; }

/* ----------------------------------------------------------------
   言語表示制御
---------------------------------------------------------------- */
[data-lang-only] { display: none; }
body.lang-ja [data-lang-only="ja"] { display: inline; }
body.lang-en [data-lang-only="en"] { display: inline; }
body.lang-ja .name-en,
body.lang-ja .desc-en { display: none; }
body.lang-en .name-ja,
body.lang-en .desc-ja { display: none; }

/* フォールバック（JS 読み込み前は日本語） */
body:not(.lang-ja):not(.lang-en) [data-lang-only="ja"],
body:not(.lang-ja):not(.lang-en) .name-ja,
body:not(.lang-ja):not(.lang-en) .desc-ja { display: inline; }

/* ================================================================
   TOP PAGE
   ================================================================ */
.swm-top-page {
  padding: 2rem 2.5rem 4rem;
}
body:has(.swm-top-page) {
  background-color: #FAFAF8;
}
.swm-hero { text-align: center; padding: 3.5rem 0 2.5rem; max-width: 700px; margin: 0 auto; }
.swm-hero-title {
  font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 800;
  letter-spacing: 0.04em; color: var(--text); margin-bottom: 0.6rem;
}
.swm-hero-sub { font-size: clamp(0.95rem, 2.5vw, 1.15rem); color: var(--text-sub); }

/* 2列レイアウト: テーマカード + 動画サイドバー */
.swm-top-body {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2rem; align-items: start;
  margin-top: 1.5rem;
}
@media (max-width: 1000px) {
  .swm-top-body { grid-template-columns: 1fr; }
}

.swm-theme-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
@media (max-width: 1000px) { .swm-theme-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .swm-theme-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .swm-theme-grid { grid-template-columns: 1fr; } }

/* 動画サイドバー */
.swm-video-sidebar {
  display: flex; flex-direction: column; gap: 0;
  position: sticky; top: 80px;
}
@media (max-width: 1000px) {
  .swm-video-sidebar { position: static; }
  .swm-video-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
}
@media (max-width: 700px) {
  .swm-video-list { grid-template-columns: repeat(2, 1fr); }
}

.swm-videos-heading {
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-sub);
  margin: 0 0 0.85rem;
}

.swm-video-card {
  display: flex; flex-direction: column; gap: 0;
  text-decoration: none; color: inherit;
  margin-bottom: 1rem;
  border-radius: var(--swm-radius-sm);
  overflow: hidden;
  transition: transform 0.25s ease;
}
.swm-video-card:hover { transform: translateY(-2px); }

.swm-video-thumb-wrap {
  position: relative; width: 100%;
  aspect-ratio: 16 / 9; overflow: hidden;
  border-radius: var(--swm-radius-sm);
  background: var(--border);
}
.swm-video-thumb {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.3s ease;
}
.swm-video-card:hover .swm-video-thumb { transform: scale(1.04); }

.swm-video-play {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(0,0,0,.62);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.9rem;
  transition: transform 0.2s, background 0.2s;
  pointer-events: none;
}
.swm-video-card:hover .swm-video-play {
  transform: translate(-50%, -50%) scale(1.15);
  background: rgba(220,30,30,.88);
}

.swm-video-title {
  font-size: 0.78rem; font-weight: 600;
  color: var(--text); line-height: 1.35;
  margin: 0.45rem 0 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.swm-channel-link {
  display: inline-block; margin-top: 0.25rem;
  font-size: 0.78rem; font-weight: 700;
  color: var(--accent); text-decoration: none;
  letter-spacing: 0.03em;
  transition: opacity 0.2s;
}
.swm-channel-link:hover { opacity: 0.7; }

.swm-theme-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 2.5rem 1.75rem 2.25rem;
  border-radius: 22px; text-align: center; text-decoration: none;
  min-height: 290px; gap: 0;
  transition: transform 0.38s cubic-bezier(.22,.68,0,1.15),
              box-shadow 0.38s ease, border-color 0.3s ease;
  position: relative; overflow: hidden;
  border: 1.5px solid transparent;
}
.swm-theme-card::before {
  content: ''; position: absolute; inset: 0;
  pointer-events: none; z-index: 0;
  transition: opacity 0.4s;
}
.swm-theme-card > * { position: relative; z-index: 1; }

/* ---- Natural — ドーナツとコーヒー ---- */
.swm-theme-card.theme-natural {
  background: linear-gradient(150deg, #EDD8B0 0%, #E2C490 55%, #D6AE78 100%);
  --card-accent: #5A3015; --card-fg: #241008; --card-sub: #8A5C38;
  --card-cta-fg: #fff; --swm-font-timer: 'Lora', Georgia, serif;
  border-color: rgba(90,48,21,.22);
}
.swm-theme-card.theme-natural::before {
  /* コーヒードロップ風の円 */
  background:
    radial-gradient(circle 18px at 11% 18%, rgba(90,48,21,.16) 0%, transparent 100%),
    radial-gradient(circle 12px at 81% 13%, rgba(90,48,21,.14) 0%, transparent 100%),
    radial-gradient(circle 20px at 27% 80%, rgba(90,48,21,.13) 0%, transparent 100%),
    radial-gradient(circle 10px at 74% 83%, rgba(90,48,21,.12) 0%, transparent 100%),
    radial-gradient(circle 14px at 54%  5%, rgba(90,48,21,.11) 0%, transparent 100%),
    radial-gradient(circle 16px at 93% 54%, rgba(90,48,21,.10) 0%, transparent 100%),
    radial-gradient(circle  8px at 40% 50%, rgba(90,48,21,.08) 0%, transparent 100%);
}
.swm-theme-card.theme-natural:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(90,48,21,.32), 0 6px 16px rgba(90,48,21,.20);
  border-color: rgba(90,48,21,.55);
}

/* ---- Pop — マフィンとミルク ---- */
.swm-theme-card.theme-pop {
  background: linear-gradient(135deg, #FFFCF6 0%, #FFF0E8 55%, #FFE4D8 100%);
  --card-accent: #E06060; --card-fg: #2C1010; --card-sub: #9A6060;
  --card-cta-fg: #fff; --swm-font-timer: 'Nunito', sans-serif;
  border-color: rgba(224,96,96,.15);
}
.swm-theme-card.theme-pop::before {
  /* カラフルスプリンクル */
  background:
    radial-gradient(circle 5px at  9% 14%, rgba(224, 96, 96,.60) 0%, transparent 100%),
    radial-gradient(circle 4px at 76% 10%, rgba(255,180, 40,.70) 0%, transparent 100%),
    radial-gradient(circle 5px at 28% 87%, rgba(100,160,240,.55) 0%, transparent 100%),
    radial-gradient(circle 4px at 87% 82%, rgba(160,100,224,.60) 0%, transparent 100%),
    radial-gradient(circle 6px at 55% 94%, rgba(224,160, 40,.55) 0%, transparent 100%),
    radial-gradient(circle 4px at 92% 42%, rgba(224, 96, 96,.50) 0%, transparent 100%),
    radial-gradient(circle 5px at  4% 62%, rgba( 80,180,140,.55) 0%, transparent 100%),
    radial-gradient(circle 3px at 62%  4%, rgba(240,100,160,.60) 0%, transparent 100%),
    radial-gradient(circle 4px at 44% 28%, rgba(255,180, 40,.50) 0%, transparent 100%),
    radial-gradient(circle 3px at 70% 55%, rgba(100,160,240,.45) 0%, transparent 100%);
}
.swm-theme-card.theme-pop:hover {
  transform: translateY(-10px) scale(1.025);
  box-shadow: 0 24px 48px rgba(224,96,96,.28), 0 6px 16px rgba(224,96,96,.18);
  border-color: rgba(224,96,96,.55);
}

/* ---- Girly — ショートケーキとカフェラテ ---- */
.swm-theme-card.theme-girly {
  background: linear-gradient(135deg, #FFF4F0 0%, #FFE0E8 55%, #FFCCD8 100%);
  --card-accent: #C83060; --card-fg: #3C1020; --card-sub: #A05870;
  --card-cta-fg: #fff; --swm-font-timer: 'Cormorant Garamond', Georgia, serif;
  border-color: rgba(200,48,96,.16);
}
.swm-theme-card.theme-girly::before {
  /* いちごの種のような小さなドット */
  background:
    radial-gradient(circle 3px at 14% 18%, rgba(200,48,96,.55) 0%, transparent 100%),
    radial-gradient(circle 2px at 81% 11%, rgba(200,48,96,.45) 0%, transparent 100%),
    radial-gradient(circle 3px at 24% 82%, rgba(200,48,96,.45) 0%, transparent 100%),
    radial-gradient(circle 2px at 72% 86%, rgba(200,48,96,.40) 0%, transparent 100%),
    radial-gradient(circle 4px at 50%  6%, rgba(200,48,96,.38) 0%, transparent 100%),
    radial-gradient(circle 2px at 93% 52%, rgba(200,48,96,.40) 0%, transparent 100%),
    radial-gradient(circle 3px at  6% 52%, rgba(200,48,96,.35) 0%, transparent 100%),
    radial-gradient(circle 2px at 44% 96%, rgba(200,48,96,.45) 0%, transparent 100%),
    radial-gradient(circle 2px at 33% 40%, rgba(160,80,40,.30) 0%, transparent 100%),
    radial-gradient(circle 2px at 66% 34%, rgba(160,80,40,.28) 0%, transparent 100%);
}
.swm-theme-card.theme-girly:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(200,48,96,.28), 0 6px 16px rgba(200,48,96,.18);
  border-color: rgba(200,48,96,.55);
}

/* ---- Minimal — レモン ---- */
.swm-theme-card.theme-minimal {
  background: linear-gradient(150deg, #FFFFF0 0%, #FEFCD8 55%, #FDF8B8 100%);
  --card-accent: #888200; --card-fg: #1C1C00; --card-sub: #6A6600;
  --card-cta-fg: #1C1C00; --swm-font-timer: 'DM Mono', monospace;
  border: 1.5px solid rgba(136,130,0,.28);
}
.swm-theme-card.theme-minimal::before {
  /* レモンの断面を思わせるドットグリッド */
  background-image: radial-gradient(circle 1.5px at 1px 1px, rgba(136,130,0,.18) 0%, transparent 100%);
  background-size: 20px 20px;
}
.swm-theme-card.theme-minimal:hover {
  transform: translate(-4px, -8px);
  box-shadow: 5px 9px 0 0 rgba(136,130,0,.70);
  border-color: rgba(136,130,0,.70);
}

/* ---- Peach — ピーチティー ---- */
.swm-theme-card.theme-peach {
  background: linear-gradient(135deg, #FFF5E8 0%, #FFE8CC 55%, #FFD8B0 100%);
  --card-accent: #C86020; --card-fg: #381808; --card-sub: #906040;
  --card-cta-fg: #fff; --swm-font-timer: 'Nunito', sans-serif;
  border-color: rgba(200,96,32,.18);
}
.swm-theme-card.theme-peach::before {
  /* ティーの泡のような柔らかい円 */
  background:
    radial-gradient(circle 14px at  8% 15%, rgba(200,96,32,.22) 0%, transparent 100%),
    radial-gradient(circle 10px at 78% 10%, rgba(200,96,32,.18) 0%, transparent 100%),
    radial-gradient(circle 18px at 30% 85%, rgba(200,96,32,.20) 0%, transparent 100%),
    radial-gradient(circle 11px at 85% 82%, rgba(200,96,32,.18) 0%, transparent 100%),
    radial-gradient(circle 20px at 55% 93%, rgba(200,96,32,.16) 0%, transparent 100%),
    radial-gradient(circle  8px at 93% 40%, rgba(200,96,32,.15) 0%, transparent 100%),
    radial-gradient(circle 12px at 22% 40%, rgba(200,96,32,.14) 0%, transparent 100%),
    radial-gradient(circle  9px at 66% 55%, rgba(200,96,32,.12) 0%, transparent 100%);
}
.swm-theme-card.theme-peach:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(200,96,32,.28), 0 6px 16px rgba(200,96,32,.16);
  border-color: rgba(200,96,32,.55);
}

/* ---- Matcha — 抹茶 ---- */
.swm-theme-card.theme-matcha {
  background: linear-gradient(150deg, #EEF2D8 0%, #E0E8C4 55%, #D2DCB0 100%);
  --card-accent: #4A6A38; --card-fg: #1E2818; --card-sub: #5A6842;
  --card-cta-fg: #fff; --swm-font-timer: 'Philosopher', Georgia, serif;
  border-color: rgba(74,106,56,.20);
}
.swm-theme-card.theme-matcha::before {
  /* 抹茶の茶漉し模様のような細いライン */
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 5px,
    rgba(74,106,56,.08) 5px, rgba(74,106,56,.08) 6px
  );
}
.swm-theme-card.theme-matcha:hover {
  transform: translateY(-10px);
  box-shadow: 0 24px 48px rgba(74,106,56,.26), 0 6px 16px rgba(74,106,56,.16);
  border-color: rgba(74,106,56,.55);
}

/* タイマー数字の左右デコ画像（timer.html） */
.swm-timer-number-row {
  display: flex; align-items: center; justify-content: center;
  gap: 1.25rem;
}
.swm-timer-deco {
  width: 170px; height: 170px;
  object-fit: contain; flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(.22,.68,0,1.15);
}
.swm-timer-deco-left  { transform-origin: right center; }
.swm-timer-deco-right { transform-origin: left center; }
@media (max-width: 600px) {
  .swm-timer-deco { width: 72px; height: 72px; }
  .swm-timer-number-row { gap: 0.6rem; }
}

/* カードの 25:00 左右デコ画像（index.html） */
.swm-card-timer-row {
  display: flex; align-items: center; justify-content: center;
  gap: 0.35rem; margin: 0 0 0.65rem;
}
.swm-card-timer-row .swm-card-timer-preview { margin: 0; }
.swm-card-deco {
  width: 80px; height: 80px;
  object-fit: contain; flex-shrink: 0;
  transition: transform 0.35s ease;
}
.swm-theme-card:hover .swm-card-deco-left  { transform: translateX(-3px) scale(1.05); }
.swm-theme-card:hover .swm-card-deco-right { transform: translateX( 3px) scale(1.05); }

/* Illustration */
.swm-card-illust {
  width: 100%; max-width: 160px; height: 120px;
  object-fit: contain; object-position: center bottom;
  margin-bottom: 0.5rem;
  transition: transform 0.38s cubic-bezier(.22,.68,0,1.15);
  position: relative; z-index: 1;
}
.swm-theme-card:hover .swm-card-illust { transform: translateY(-4px) scale(1.04); }

/* Card content elements */
.swm-card-timer-preview {
  font-family: var(--swm-font-timer, var(--swm-font-mono));
  font-size: 3.2rem; font-weight: 700;
  color: var(--card-accent);
  letter-spacing: 0.04em; line-height: 1;
  margin: 0 0 0.65rem;
  transition: transform 0.3s ease;
}
.swm-theme-card:hover .swm-card-timer-preview { transform: scale(1.06); }

.swm-card-name {
  font-size: 0.78rem; font-weight: 800;
  color: var(--card-fg); opacity: 0.7;
  letter-spacing: 0.18em; text-transform: uppercase;
  margin: 0 0 1.5rem;
}

.swm-card-cta {
  display: inline-flex; align-items: center; gap: 0.35em;
  padding: 0.55rem 1.5rem; border-radius: 999px;
  border: 1.5px solid var(--card-accent);
  font-size: 0.85rem; font-weight: 700;
  color: var(--card-accent); letter-spacing: 0.05em;
  background: transparent;
  transition: background 0.25s, color 0.25s, transform 0.2s;
}
.swm-theme-card:hover .swm-card-cta {
  background: var(--card-accent);
  color: var(--card-cta-fg, #fff);
  transform: scale(1.05);
}

/* ================================================================
   TIMER PAGE
   ================================================================ */
.swm-timer-page-main {
  min-height: calc(100vh - 120px);
  padding: 1.25rem 2.5rem;
}

/* 広告エリア */
.ad-bottom {
  max-width: 780px; margin: 1.5rem auto 0; min-height: 90px;
  background: rgba(0,0,0,.03); border: 1px dashed var(--border);
  border-radius: var(--swm-radius-sm);
  display: flex; align-items: center; justify-content: center;
}

/* レイアウト */
.swm-timer-layout {
  max-width: 1100px; margin: 0 auto;
}

/* ----------------------------------------------------------------
   タイマーカード
---------------------------------------------------------------- */
.swm-timer-card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--swm-radius);
  padding: 2.5rem 2.5rem 2rem;
  box-shadow: var(--swm-shadow);
  display: flex; flex-direction: column; align-items: center;
  gap: 1.75rem;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

/* ナビ行 */
.swm-timer-nav {
  width: 100%; display: flex; align-items: center; gap: 0.75rem;
}
.swm-back-link {
  font-size: 0.85rem; color: var(--text-sub); white-space: nowrap;
  transition: color var(--swm-transition); flex-shrink: 0;
}
.swm-back-link:hover { color: var(--accent); }
.swm-timer-theme-name {
  font-size: 1.05rem; font-weight: 700; color: var(--accent);
  letter-spacing: 0.04em; flex: 1; text-align: right;
}

/* ----------------------------------------------------------------
   モードサマリー（全モード時間を一目表示）
---------------------------------------------------------------- */
.swm-mode-summary {
  display: flex; gap: 0.75rem; width: 100%;
}

/* モード＋プリセット 2カラムグリッド */
.swm-mode-preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
}
.swm-mode-preset-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.swm-mode-preset-col .swm-mode-card {
  width: 100%;
}
.swm-mode-preset-col .swm-time-presets {
  width: 100%;
  justify-content: flex-start;
}

.swm-mode-card {
  flex: 1;
  padding: 1rem 0.75rem;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  text-align: center;
  transition: all var(--swm-transition);
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
}
.swm-mode-card:hover { border-color: var(--accent); }
.swm-mode-card.active {
  border-color: var(--accent);
  border-width: 2px;
  box-shadow: 0 0 0 1px var(--accent);
}

.swm-mode-card-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-sub);
}
.swm-mode-card.active .swm-mode-card-label { color: var(--accent); }

.swm-mode-card-time {
  font-family: var(--swm-font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.swm-mode-card.active .swm-mode-card-time { color: var(--accent); }

/* ----------------------------------------------------------------
   作業時間プリセット
---------------------------------------------------------------- */
.swm-time-presets {
  display: flex; align-items: center; gap: 0.6rem; width: 100%;
  flex-wrap: wrap;
}
.preset-label {
  font-size: 0.8rem; color: var(--text-sub); white-space: nowrap; margin-right: 0.25rem;
}
.preset-btn {
  padding: 0.35rem 0.9rem;
  border-radius: 6px;
  font-size: 0.9rem; font-weight: 700;
  font-family: var(--swm-font-mono);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-sub);
  cursor: pointer;
  transition: all var(--swm-transition);
}
.preset-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.preset-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.preset-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.preset-unit { font-size: 0.78rem; margin-left: 1px; }

/* 休憩プリセットボタン */
.break-preset-btn {
  padding: 0.35rem 0.9rem;
  border-radius: 6px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem; font-weight: 700; cursor: pointer;
  transition: all var(--swm-transition);
}
.break-preset-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.break-preset-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.break-preset-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* カスタムボタン（破線ボーダー） */
.preset-btn-custom { border-style: dashed !important; }
.preset-btn-custom:disabled { opacity: 0.4 !important; cursor: not-allowed; }

/* カスタム入力フィールド */
.preset-custom-input {
  width: 5.5rem;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  border: 1.5px solid var(--accent);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem; font-weight: 700;
  text-align: center;
  outline: none;
}
.preset-custom-input:focus { box-shadow: 0 0 0 2px var(--accent); }

/* ----------------------------------------------------------------
   タイマー表示（大型）
---------------------------------------------------------------- */
.swm-timer-display {
  text-align: center;
  padding: 0.75rem 0 0;
  width: 100%;
}

.swm-timer-time {
  display: block;
  font-family: var(--swm-font-timer, var(--swm-font-mono));
  font-size: clamp(4.5rem, 12vw, 8rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 0.5rem;
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  font-variant-numeric: tabular-nums;
}
.t-mm, .t-ss {
  display: inline-block;
  width: 2.2ch;
  text-align: center;
}
.t-sep {
  display: inline-block;
  width: 0.7ch;
  text-align: center;
}

.swm-mode-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  min-height: 1.2em;
}

@keyframes complete-flash {
  0%, 100% { color: var(--text); }
  50%       { color: var(--accent); }
}
.swm-timer-time.is-complete {
  animation: complete-flash 0.5s ease-in-out 4;
}

/* ----------------------------------------------------------------
   水平プログレスバー
---------------------------------------------------------------- */
.swm-progress-bar-wrap {
  width: 100%; height: 8px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.swm-progress-fill {
  height: 100%;
  width: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 1s linear;
}

/* ----------------------------------------------------------------
   コントロール
---------------------------------------------------------------- */
.swm-controls {
  display: flex; align-items: center;
  justify-content: center; gap: 1.25rem;
}

/* リセット・スキップ（丸アイコンボタン） */
.swm-btn-icon {
  width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text-sub);
  transition: all var(--swm-transition);
  flex-shrink: 0;
}
.swm-btn-icon svg { width: 20px; height: 20px; }
.swm-btn-icon:hover { border-color: var(--accent); color: var(--accent); }
.swm-btn-icon:active { transform: scale(0.94); }

/* スタート / 一時停止（大型トグル） */
.swm-btn-toggle {
  padding: 0.85rem 2.75rem;
  border-radius: 50px;
  font-size: 1rem; font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 18px rgba(0,0,0,.2);
  transition: all var(--swm-transition);
  min-width: 148px;
  text-align: center;
}
.swm-btn-toggle:hover { filter: brightness(1.1); box-shadow: 0 6px 22px rgba(0,0,0,.28); }
.swm-btn-toggle:active { transform: scale(0.97); }

/* ----------------------------------------------------------------
   下部行
---------------------------------------------------------------- */
.swm-bottom-row {
  display: flex; align-items: center;
  justify-content: space-between; width: 100%; gap: 0.75rem;
}

.swm-session-info {
  display: flex; align-items: baseline; gap: 0.3rem;
  font-size: 0.88rem; color: var(--text-sub);
}
.session-count {
  font-family: var(--swm-font-mono);
  font-size: 1.35rem; font-weight: 700; color: var(--accent);
}
.session-label { font-size: 0.83rem; }
.session-unit  { font-size: 0.83rem; }

.swm-icon-btns { display: flex; gap: 0.5rem; }

.swm-icon-btn {
  width: 38px; height: 38px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sub);
  transition: all var(--swm-transition);
}
.swm-icon-btn svg { width: 17px; height: 17px; }
.swm-icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.swm-icon-btn:active { transform: scale(0.94); }

/* ----------------------------------------------------------------
   設定パネル（モーダルオーバーレイ）
---------------------------------------------------------------- */
.swm-settings-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.48);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.swm-settings-overlay[hidden] { display: none; }

.swm-settings-dialog {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--swm-radius);
  box-shadow: 0 24px 64px rgba(0,0,0,.28);
  width: 100%; max-width: 380px;
  overflow: hidden;
}

.swm-settings-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}
.swm-settings-title { font-size: 1.05rem; font-weight: 700; color: var(--text); }

.swm-settings-close-btn {
  font-size: 1.5rem; line-height: 1;
  color: var(--text-sub); background: transparent;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
  transition: color var(--swm-transition);
}
.swm-settings-close-btn:hover { color: var(--text); }

.swm-settings-body {
  padding: 1.25rem 1.5rem;
  display: flex; flex-direction: column; gap: 1.5rem;
}

.swm-settings-section { display: flex; flex-direction: column; gap: 0.75rem; }

.swm-settings-section-title {
  font-size: 0.75rem; font-weight: 700; color: var(--text-sub);
  text-transform: uppercase; letter-spacing: 0.1em;
}

.swm-settings-row {
  display: flex; align-items: center; justify-content: space-between;
}

.swm-settings-label { font-size: 0.92rem; color: var(--text); }

.swm-settings-input {
  width: 72px; text-align: center;
  padding: 0.4rem 0.5rem;
  border: 1.5px solid var(--border);
  border-radius: var(--swm-radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: var(--swm-font-mono);
  font-size: 1rem; font-weight: 600;
  appearance: textfield; -moz-appearance: textfield;
  transition: border-color var(--swm-transition);
}
.swm-settings-input::-webkit-inner-spin-button { display: none; }
.swm-settings-input:focus { border-color: var(--accent); outline: none; }

.swm-alarm-btns { display: flex; gap: 0.5rem; }
.alarm-btn {
  flex: 1; padding: 0.45rem 0.5rem;
  border-radius: var(--swm-radius-sm);
  font-size: 0.85rem; font-weight: 600;
  background: var(--surface); color: var(--text-sub);
  border: 1.5px solid var(--border);
  transition: all var(--swm-transition);
}
.alarm-btn:hover { border-color: var(--accent); color: var(--text); }
.alarm-btn.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}

.swm-settings-footer {
  padding: 1rem 1.5rem 1.25rem;
  border-top: 1px solid var(--border);
}

.swm-btn-settings-apply {
  display: block; width: 100%;
  padding: 0.7rem 1.5rem;
  border-radius: 50px;
  font-size: 0.95rem; font-weight: 700;
  background: var(--accent); color: #fff;
  border: none; cursor: pointer;
  transition: filter var(--swm-transition);
}
.swm-btn-settings-apply:hover { filter: brightness(1.1); }
.swm-btn-settings-apply:active { transform: scale(0.98); }

/* ----------------------------------------------------------------
   全画面モード
---------------------------------------------------------------- */
body.is-fullscreen .swm-header,
body.is-fullscreen .swm-footer,
body.is-fullscreen .ad-bottom,
body.is-fullscreen .swm-timer-nav,
body.is-fullscreen .swm-bottom-row,
body.is-fullscreen .swm-mode-preset-grid { display: none; }

body.is-fullscreen .swm-timer-page-main {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 0;
}
body.is-fullscreen .swm-timer-layout {
  width: 100%; max-width: none;
}
body.is-fullscreen .swm-timer-card {
  border: none; box-shadow: none; background: transparent;
  padding: 5vh 5vw; max-width: 100%; width: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3vh;
}
body.is-fullscreen .swm-timer-display {
  padding: 0;
}
body.is-fullscreen .swm-timer-number-row {
  gap: 4vw;
}
body.is-fullscreen .swm-timer-time {
  font-size: clamp(7rem, 26vmin, 18rem);
}
body.is-fullscreen .swm-timer-deco {
  width: clamp(200px, 22vmin, 380px);
  height: clamp(200px, 22vmin, 380px);
}
body.is-fullscreen .swm-mode-label {
  font-size: clamp(0.9rem, 2vmin, 1.4rem);
  letter-spacing: 0.2em;
  margin-bottom: 0;
}
body.is-fullscreen .swm-progress-bar-wrap {
  width: 80vw; max-width: 900px; height: 6px;
}
body.is-fullscreen .swm-controls {
  gap: 3vw;
}
body.is-fullscreen .swm-btn-toggle {
  padding: 1rem 4rem; font-size: 1.15rem;
}
body.is-fullscreen .swm-btn-icon {
  width: 52px; height: 52px;
}
body.is-fullscreen .swm-mode-tabs { display: none; }

/* ----------------------------------------------------------------
   サイトフッター
---------------------------------------------------------------- */
.swm-footer {
  text-align: center; padding: 1.5rem;
  font-size: 0.82rem; color: var(--text-sub);
  border-top: 1px solid var(--border); margin-top: 3rem;
}
.swm-footer-inner { max-width: 1200px; margin: 0 auto; }

/* ----------------------------------------------------------------
   レスポンシブ調整
---------------------------------------------------------------- */
@media (max-width: 480px) {
  .swm-timer-card   { padding: 1.5rem 1rem; gap: 1.25rem; }
  .swm-timer-nav    { gap: 0.4rem; }
  .swm-btn-toggle   { padding: 0.75rem 2rem; font-size: 0.95rem; min-width: 130px; }
  .swm-btn-icon     { width: 44px; height: 44px; }
  .swm-controls     { gap: 0.9rem; }
}