:root {
  --navy: #1f3a5f; --navy2: #2b4d7a; --bg: #f4f6fa; --card: #fff; --line: #d5dde8; --text: #1b2430; --muted: #5d6b7e;
  --ok: #1f8a4c; --okbg: #e3f3e6; --warn: #b26a00; --warnbg: #fff3d6; --bad: #b3261e; --badbg: #fde7e4; --info: #1d5fa8; --infobg: #e4eefb;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 'Yu Gothic UI', 'Hiragino Sans', 'Meiryo', system-ui, sans-serif; padding-bottom: env(safe-area-inset-bottom); }
a { color: var(--info); }
h1 { font-size: 1.35rem; margin: .2rem 0 .6rem; }
h2 { font-size: 1.15rem; margin: 1.2rem 0 .5rem; }
h3 { font-size: 1rem; margin: 0 0 .3rem; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 14px 80px; }
.muted { color: var(--muted); font-size: .9rem; }
.center { text-align: center; }
header.top { background: var(--navy); color: #fff; padding: 10px 14px; position: sticky; top: 0; z-index: 5; }
header.top .row { max-width: 720px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
header.top .brand { font-weight: 700; letter-spacing: .02em; }
header.top .who { font-size: .8rem; opacity: .9; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 55%; }
nav.tabs { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 46px; z-index: 4; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
nav.tabs .in { max-width: 720px; margin: 0 auto; display: flex; }
nav.tabs button { flex: 1 0 auto; background: none; border: 0; border-bottom: 3px solid transparent; padding: 11px 14px; font: inherit; font-size: .92rem; color: var(--muted); cursor: pointer; min-height: 44px; }
nav.tabs button.on { color: var(--navy); border-bottom-color: var(--navy); font-weight: 700; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; }
.card.soft { background: #f9fbfe; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1 1 auto; }
.btn { appearance: none; border: 1px solid var(--navy); background: var(--navy); color: #fff; border-radius: 10px; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; min-height: 44px; }
.btn:hover { background: var(--navy2); }
.btn.ghost { background: #fff; color: var(--navy); }
.btn.ok { background: var(--ok); border-color: var(--ok); }
.btn.bad { background: #fff; color: var(--bad); border-color: var(--bad); }
.btn.small { padding: 6px 12px; min-height: 36px; font-size: .88rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.badge { display: inline-block; font-size: .78rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: var(--infobg); color: var(--info); white-space: nowrap; }
.badge.ok { background: var(--okbg); color: var(--ok); }
.badge.warn { background: var(--warnbg); color: var(--warn); }
.badge.bad { background: var(--badbg); color: var(--bad); }
.badge.gray { background: #eceff3; color: var(--muted); }
.dots { display: flex; gap: 4px; flex-wrap: wrap; margin: 8px 0; }
.dot { width: 22px; height: 22px; border-radius: 6px; border: 1px solid var(--line); background: #fff; font-size: .7rem; display: grid; place-items: center; color: var(--muted); }
.dot.done { background: var(--ok); border-color: var(--ok); color: #fff; }
.dot.today { outline: 2px solid var(--navy); }
.dot.miss { background: var(--badbg); border-color: var(--bad); color: var(--bad); }
.dot.future { background: #f2f4f8; }
label { display: block; font-weight: 600; margin: 10px 0 4px; font-size: .92rem; }
input[type=text], input[type=email], input[type=url], input[type=number], input[type=password], textarea, select { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; min-height: 44px; }
textarea { min-height: 88px; }
.hint { color: var(--muted); font-size: .84rem; margin: 2px 0 0; }
.msg { border-radius: 10px; padding: 10px 12px; margin: 10px 0; font-size: .92rem; }
.msg.info { background: var(--infobg); color: #123f73; }
.msg.warn { background: var(--warnbg); color: #6d4300; }
.msg.ok { background: var(--okbg); color: #14582f; }
.msg.bad { background: var(--badbg); color: #7a1912; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; font-size: .92rem; }
.kv b { color: var(--muted); font-weight: 600; }
.list-sep { border-top: 1px solid var(--line); margin: 10px 0; }
table.t { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.t th, table.t td { border-bottom: 1px solid var(--line); padding: 6px 4px; text-align: left; vertical-align: top; }
.scroll-x { overflow-x: auto; }
pre.copy { background: #f2f4f8; border: 1px solid var(--line); border-radius: 10px; padding: 10px; white-space: pre-wrap; font: inherit; font-size: .88rem; }
.overlay { position: fixed; inset: 0; background: rgba(15, 25, 40, .5); display: flex; align-items: flex-end; justify-content: center; z-index: 20; }
.modal { background: #fff; width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto; border-radius: 16px 16px 0 0; padding: 16px 16px calc(16px + env(safe-area-inset-bottom)); }
@media (min-width: 640px) { .overlay { align-items: center; } .modal { border-radius: 16px; } }
#toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: #1b2430; color: #fff; padding: 10px 16px; border-radius: 10px; font-size: .92rem; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 30; max-width: 92vw; }
#toast.show { opacity: .96; }
.hero { padding: 28px 8px 8px; text-align: center; }
.hero p { color: var(--muted); }