/* ToLineOn Studio — site stylesheet
   配色・ロゴの構造は logotype_bg_compare.html / business_card_mockup.html を正本とする。
   色の意味（森＝代表の好きな色／オレンジ＝トラ／ゴールド＝ライオン）を知らずに変更しないこと。 */

:root {
  --forest: #1D6B4E;
  --tiger: #C1622B;
  --lion: #C9A227;
  --ink: #232323;
  --ink-2: #4B4944;
  --ink-3: #6B6862;
  --rule: #9A968A;
  --line: #E6E2D8;
  --paper: #FBFAF6;
  --paper-2: #F4F1E7;
  --card: #FFFFFF;
  --todo-bg: #FFF3B0;
  --todo-ink: #6B4E00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --forest: #7FB89A;
    --tiger: #E0793C;
    --lion: #E8C24C;
    --ink: #F5F3EC;
    --ink-2: #D2CFC6;
    --ink-3: #B9B6AD;
    --rule: #8A8680;
    --line: #2C2C2A;
    --paper: #111111;
    --paper-2: #1A1A18;
    --card: #181816;
    --todo-bg: #4A3D00;
    --todo-ink: #FFE58A;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}
@media (min-width: 760px) { body { font-size: 17px; } }

a { color: var(--forest); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--forest) 35%, transparent); }
a:hover { border-bottom-color: var(--forest); }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }

/* ---- header ---- */
.site-header { padding: 28px 0 8px; }
.site-header .wrap { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-nav { display: flex; gap: 22px; font-size: 0.9em; letter-spacing: 0.04em; padding-bottom: 6px; }
.site-nav a { color: var(--ink-2); border-bottom-color: transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--forest); border-bottom-color: var(--forest); }

/* ---- logo lockup（ロゴタイプ比較 / 名刺と同じ構造）---- */
.lockup { display: inline-block; color: inherit; border: 0; line-height: 1; }
.lockup .mark { display: inline-block; }
.wordmark { font-weight: 600; letter-spacing: 1px; line-height: 1; white-space: nowrap; }
.wordmark .to   { color: var(--tiger); }
.wordmark .lion { color: var(--lion); }
.wordmark .ne   { color: var(--rule); font-weight: 400; }
.ruler { position: relative; width: 100%; color: var(--rule); }
.ruler::before { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: currentColor; }
.ruler::after  { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 10px;
  background-image: repeating-linear-gradient(to right, currentColor 0 1.5px, transparent 1.5px 12.5%); }
.lockup .sub { text-align: center; line-height: 1; color: var(--forest); }
.lockup .sub .txt { display: inline-block; font-weight: 700; letter-spacing: 0.4em; margin-right: -0.4em; white-space: nowrap; }
.lockup .tm { font-size: 0.4em; vertical-align: super; color: var(--ink-3); margin-left: 2px; font-weight: 400; }

.lockup-sm .wordmark { font-size: 28px; }
.lockup-sm .ruler { height: 14px; margin-top: 3px; }
.lockup-sm .ruler::after { height: 7px; }
.lockup-sm .sub { margin-top: 6px; }
.lockup-sm .sub .txt { font-size: 11px; }

.lockup-lg .wordmark { font-size: clamp(44px, 9vw, 84px); }
.lockup-lg .ruler { height: 18px; margin-top: 4px; }
.lockup-lg .sub { margin-top: 8px; }
.lockup-lg .sub .txt { font-size: 22px; }

/* ---- sections ---- */
main { padding-bottom: 40px; }
.section { padding: 44px 0 8px; }
.section + .section { border-top: 1px solid var(--line); margin-top: 36px; }
h1 { font-size: 1.7em; font-weight: 600; line-height: 1.5; letter-spacing: 0.02em; margin: 0 0 12px; }
h2 { font-size: 1.15em; font-weight: 600; letter-spacing: 0.06em; margin: 0 0 18px; color: var(--ink); }
h2 .en { display: block; font-size: 0.72em; font-weight: 500; letter-spacing: 0.12em; color: var(--forest); margin-top: 2px; }
h3 { font-size: 1em; font-weight: 600; margin: 22px 0 6px; }
p { margin: 0 0 1em; }
.lead { font-size: 1.06em; color: var(--ink-2); }
.small { font-size: 0.86em; color: var(--ink-3); }

.hero { padding: 56px 0 24px; }
.hero h1 { font-size: clamp(1.5em, 4.2vw, 2.1em); }
.hero .lead { max-width: 40em; }

.cards { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 8px 0 12px; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 22px 22px 14px; }
.card h3 { margin-top: 0; }
.card .tag { display: inline-block; font-size: 0.78em; letter-spacing: 0.08em; color: var(--ink-3); border: 1px solid var(--line); border-radius: 999px; padding: 1px 10px; margin-bottom: 10px; }
.card .tag.forest { color: var(--forest); border-color: color-mix(in srgb, var(--forest) 40%, transparent); }
.card .tag.tiger  { color: var(--tiger);  border-color: color-mix(in srgb, var(--tiger) 40%, transparent); }

.principle { border-left: 3px solid var(--forest); padding: 4px 0 4px 20px; margin: 8px 0 16px; }
.principle p { margin: 0 0 0.4em; }

/* ---- definition table（会社案内）---- */
.info { width: 100%; border-collapse: collapse; margin: 6px 0 18px; }
.info th, .info td { text-align: left; vertical-align: top; padding: 12px 0; border-bottom: 1px solid var(--line); }
.info th { width: 9.5em; font-weight: 600; color: var(--ink-2); padding-right: 16px; font-size: 0.94em; letter-spacing: 0.04em; }
.info td { color: var(--ink); }
.info td .sub-line { display: block; font-size: 0.88em; color: var(--ink-3); }
@media (max-width: 520px) {
  .info th, .info td { display: block; width: auto; padding: 0; border: 0; }
  .info th { padding-top: 14px; font-size: 0.82em; }
  .info td { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
}

.timeline { list-style: none; padding: 0; margin: 6px 0 12px; }
.timeline li { display: grid; grid-template-columns: 7em 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.timeline time { color: var(--ink-3); font-variant-numeric: tabular-nums; font-size: 0.94em; }

/* ---- 未記入の目印（公開前にすべて消すこと）---- */
.todo { background: var(--todo-bg); color: var(--todo-ink); padding: 0 6px; border-radius: 4px; font-weight: 600; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--line); margin-top: 24px; padding: 26px 0 40px; font-size: 0.86em; color: var(--ink-3); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
.site-footer a { color: var(--ink-3); border-bottom-color: transparent; }
.site-footer a:hover { color: var(--forest); border-bottom-color: var(--forest); }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 4px 18px; }